TWI736195B - Battery detection system, detection method thereof, and optical decoding device - Google Patents

Abstract

The present invention provides a battery detection system, a detection method thereof, and an optical decoding device. The battery detection system includes a battery device and the optical decoding device. The battery device includes a cell group, a first control module, and a light-emitting unit. The optical decoding device includes a light sensing unit, a signal processing circuit, a second control module, and a power supply unit. The first control module obtains a status information of the cell group, and sends an information light signal through the light-emitting unit. The light decoding device receives the information light signal through the light sensing unit. The signal processing circuit generates a digital signal according to the blinking of the information light signal. The second control module can decode the digital signal and convert the digital signal into the status information, and send the status information to an electronic device.

Description

Battery detection system, its detection method and optical decoding device

The invention relates to a detection system, in particular to a battery detection system that can be directly detected by a light signal, a detection method thereof, and an optical decoding device.

The existing battery device is composed of a plurality of cells and a control module electrically connected to the cells. The control module can record and access the information of the cells, such as voltage, Current, temperature, etc. When the 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 connection line to obtain information of a plurality of the battery cells.

However, when the user wants to detect the status of multiple battery devices, the user usually keeps one end of the connecting wire electrically connected to the electronic device, and the other end of the connecting wire is individually connected to each other in sequence. It is connected to a plurality of battery devices to obtain information of a plurality of battery cells of each battery device. This shortcoming is a problem to be improved at present.

Therefore, the inventor believes that the above-mentioned shortcomings can be improved, and with great concentration of research and the application of scientific principles, we finally propose an invention with reasonable design and effective improvement of the above-mentioned shortcomings.

The technical problem to be solved by the present invention is to provide a battery detection system, a detection method and an optical decoding device for the shortcomings of the prior art, which can effectively improve the defects that may occur during the detection of the existing battery device.

The embodiment of the present invention discloses a battery detection system, which includes: a battery device, including; a battery cell group having a plurality of battery cells; and a first control module electrically connected to the battery cell group; The first control module can obtain a state data of the battery cell group; a light-emitting unit is electrically connected to the first control module, the light-emitting unit receives the state data, and sends out according to the state data A flashing information light signal; and an optical decoding device capable of receiving the information light signal, the optical decoding device can parse the information light signal and decode it into the status data, and output the status data to an electronic Equipment, the optical decoding device includes: a light sensing unit for receiving the information light; a signal processing circuit electrically connected to the light sensing unit, the signal processing circuit can be based on the information The blinking of the light signal generates a digital signal corresponding to the status data; a second control module is electrically connected to the signal processing circuit, and the second control module has a processor and is electrically connected to the processor A communication interface in which the processor can decode the digital signal and convert it into the state data, and transmit the state data to the electronic device through the communication interface, and the electronic device is operated by an application program Displaying the status data; and a power supply unit electrically connected to the second control module and the signal processing circuit.

The embodiment of the present invention further discloses an optical decoding device that can receive an information light signal, the optical decoding device can analyze the information light signal and decode it into a state data corresponding to a battery cell group, and output the state data to An electronic device, the optical decoding device includes: a light sensing unit for receiving the information light; a signal processing circuit electrically connected to the light sensing unit, the signal processing circuit can be The blinking of the information light generates a digital signal corresponding to the status data; a second control module is electrically connected to the signal processing circuit, and the second control module has a processor and is electrically connected to the A communication interface of the processor, the processor can decode the digital signal and convert it into the state data, and transmit the state data to the electronic device through the communication interface, the electronic device through an application The program operation displays the status data; and a power supply unit is electrically connected to the second control module and the signal processing circuit.

The embodiment of the present invention also discloses a detection method of a battery detection system, which includes the following steps: (a) receiving an information light of a battery device through an optical decoding device; (b) the optical decoding device passing a timer Confirm a light-emitting time of the information light; (c) identify a first bit and a second bit according to the light-emitting time; (d) sequentially receive the first bit corresponding to the light-emitting time Bit and the second bit, and are defined as a digital signal; (e) decode the digital signal and confirm whether it is a valid state data; if not, proceed to step (b); if so, proceed to step (f); (f) Transmit the status data to an electronic device through a communication interface.

In summary, in the battery detection system, its detection method, and the optical decoding device disclosed in the embodiments of the present invention, the state data of the battery cell group can be obtained through the first control module, and according to the state The data sends out the information light signal so that the user can obtain the state data of the battery pack through the optical decoding device; accordingly, the user does not need to electrically connect the battery device and the battery device through any connecting wire. The electronic equipment can obtain the status data to achieve the effect of detecting the battery device.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings about the present invention. However, the provided drawings are only for reference and description, and are not used to limit the present invention.

The following is a specific embodiment to illustrate the implementation of the "battery detection system 1000, its detection method and the optical decoding device 200" disclosed in the present invention. Those skilled in the art can understand the advantages of the present invention from the content disclosed in this specification. And effect. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be based on different viewpoints and applications, and various modifications and changes can be made without departing from the concept of the present invention. In addition, the drawings of the present invention are merely schematic illustrations, and are not drawn according to actual dimensions, and are stated in advance. The following embodiments will further describe the related technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention.

It should be understood that although terms such as "first", "second", and "third" may be used herein to describe various elements or signals, these elements or signals should not be limited by these terms. These terms are mainly used to distinguish one element from another, or one signal from another signal. In addition, the term "or" used in this document may include any one or a combination of more of the associated listed items depending on the actual situation.

[First Embodiment]

As shown in FIGS. 1 to 4, this embodiment discloses a battery detection system 1000. The battery detection system 1000 includes a battery device 100 and an optical decoding device 200. Wherein, the battery device 100 transmits an information light signal so that the user can receive the information light signal through the optical decoding device 200, and obtain the status of the battery device 100 through decoding. To put it another way, any battery detection system that does not transmit the status of the battery device by means of light signals is not the battery detection system 1000 referred to in the present invention. The structure of each component of the battery detection system 1000 will be separately introduced below, and the connection relationship between the various components of the battery detection system 1000 will be explained in a timely manner.

It should be noted that the above-mentioned battery device 100 and the optical decoding device 200 are collectively defined as the battery detection system 1000 in this embodiment. However, the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the battery device 100 and the optical decoding device 200 can also be used separately (eg, sold) or used with other components.

As shown in FIGS. 1 to 3, the battery device 100 includes a battery cell group 110, a first control module 120 electrically connected to the battery cell group 110, and electrically connected to the first control module 120 of a light-emitting unit 130. The first control module 120 includes a front-end processing unit 111 electrically connected to the battery cell group 110 and a control unit 112 electrically connected to the front-end processing unit 111.

The battery cell group 110 has a plurality of battery cells (not shown in the figure). The front-end processing unit 111 is electrically connected to the plurality of cells of the battery cell group 110, and the front-end processing unit 111 can obtain a state data of the battery cell group 110 and encode it into a digital signal. Specifically, the state data includes information about multiple cells, such as: the voltage of each cell, the temperature of each cell, and when multiple cells are connected in series or in parallel The state data can be encoded into the binary (that is, 0 and 1) digital signals by the front-end processing unit 111. The front-end processing unit 111 is an analog front end (Analog front end; AFE) in this embodiment, but the present invention is not limited to that described in this embodiment.

Furthermore, the front-end processing unit 111 includes a control logic element 1111, a multiplexer 1112 electrically connected to the control logic element 1111, a temperature sensing element 1113 electrically connected to the control logic element 1111, A current detection element 1114 of the control logic element 1111 is electrically connected.

The control logic element 1111 is used to control the multiplexer 1112, the temperature sensing element 1113, and the current detection element 1114; that is, the control logic element 1111 is the front-end processing unit 111 The control core and the components of the front-end processing unit 111 are all operated by the control logic component 1111. The multiplexer 1112 is electrically connected to the control logic element 1111, the multiplexer 1112 is controlled by the control logic element 1111, and can perform between the multiple cells of the cell group 110 Switch.

The temperature sensing element 1113 is electrically connected to the control logic element 1111, and the temperature sensing element 1113 can capture a temperature information of the battery cell group 110. Specifically, the temperature sensing element 1113 can cooperate with the multiplexer 1112 to detect the temperature of each cell of the cell group 110.

The current detection element 1114 is electrically connected to the control logic element 1111, and the current detection element can detect the charging and discharging of the battery cell group 110 and obtain a current information of the battery cell group 110. In other words, the current detection element 1114 can detect the current information, and the current information can include the currents of the multiple cells of the battery cell group 110 when they are connected in series or in parallel.

Specifically, the state data includes the temperature information and the current information in this embodiment, but the present invention is not limited to those in this embodiment. For example, in other embodiments not shown in the present invention, the user can configure the battery device 100 with circuits and components capable of detecting voltage according to design requirements, and the status data will have the A voltage information of the battery cell group 110, and the voltage information includes the voltage of a plurality of the battery cells of the battery cell group 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 it into an output signal. Specifically, the control unit 112 is a microcontroller (Microcontroller Unit; MCU) in this embodiment, but the present invention is not limited to what is described in this embodiment. The control unit 112 includes a first memory component 1121, a first processor 1122 electrically connected to the first memory component 1121, and electrically connected to the first processor 1122 and the light-emitting unit 130 A first output input pin 1123 (General-purpose input/output; GPIO).

The first memory component 1121 in this embodiment has a first flash memory (Flash Memory) and a first random access memory (RAM), and the first flash memory (not shown in the figure) Show) for the first processor 1122 to store, decode, and execute, for example: store and execute a judgment program for judging whether the battery pack is abnormal; the first random access memory (Figure Not shown in) is used to store variable data, programs, and return addresses, but the present invention is not limited to those in this embodiment. For example, the first memory component 1121 can also be expanded and adjusted according to user requirements.

The first processor 1122 is electrically connected to the first memory component 1121, and the first processor 1122 can decode the digital signal into the output signal. Specifically, the output signal is a command signal that commands the light-emitting unit 130 to generate a flashing light signal. The first I/O pin 1123 is electrically connected to the first processor 1122 and the light-emitting unit 130, and the first I/O pin 1123 can be used for 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. The light-emitting unit 130 receives the output signal and emits the information light signal that blinks according to the output signal. Specifically, the light flashing of the information light may be visible light or invisible light, and the frequency of the information light flashing corresponds to the digital signal converted from the status data. Furthermore, 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, and the The time when the information light is illuminated is defined as a time unit, and each of the time units can correspond to any one of the first bits, and every two of the time units can correspond to any one of the second bits .

For example, each of the first bits represents 1 of the digital signal, and each of the second bits represents 0 of the digital signal, that is, when the information light is illuminated When the time is one of the time units, it is represented by the first bit (that is, 1); when the information light is illuminated for two time units, it is represented by the second bit (That is, 0).

The optical decoding device 200 can receive the information light signal, and the optical decoding device 200 can parse the information light signal and decode it into the status data, and output the status data to an electronic device 300. The device 300 operates to display the status data through an application program. The optical decoding device 200 includes a light sensing unit 210, a signal processing circuit 220 electrically connected to the light sensing unit 210, a second control module 230 electrically connected to the signal processing circuit 220, and electrical The second control module 230 and a power supply unit 240 of the signal processing circuit 220 are sexually connected.

The light sensing unit 210 is used to receive 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, that is, the signal processing circuit 220 is A plurality of the first bits and a plurality of the second bits will be distinguished according to the blinking of the information light.

The second control module 230 is electrically connected to the signal processing circuit 220. The second control module 230 has a second processor 231 and a second communication interface electrically connected to the second processor 231 232. Electrically connected to a second output input pin 233 (General-purpose input/output; GPIO) of the signal processing circuit 220, electrically connected to a second memory component 234 of the second processor 231, And electrically connected to a timer 235 of 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 it into the state data. The second communication interface 232 can receive the status data and send it to the electronic device 300, and accordingly, the electronic device 300 displays the status of the battery device 100. It should be noted that the digital signal can form a plurality of character strings, and the plurality of character strings can be converted into the state data according to a correspondence table, and the application program of the electronic device 300 can be converted according to the The status data determines whether the battery device 100 is abnormal; wherein, the electronic device 300 may be a mobile phone or a computer, etc., but the present invention is not limited to what is described in this embodiment.

The second memory component 234 has a second flash memory (Flash Memory) and a second random access memory (RAM) in this embodiment, and the second flash memory (not shown in the figure) (Shown) for the second processor 231 to store, decode, and execute; the second random access memory (not shown) is used for storing variable data, programs, and return addresses, but the present invention does not Limited to what is contained in this example. For example, the second memory component 234 can also be expanded and adjusted according to user requirements. The timer 235 is electrically connected to the second processor 231, and the timer is used for the second processor 231 to determine the blinking frequency of the information light. In addition, the power supply unit 240 is used to provide power to the second control module 230 and the signal processing circuit 220.

[Second Embodiment]

As shown in FIG. 5 and FIG. 6, it is the second embodiment of the present invention. This embodiment is similar to the above-mentioned first embodiment. The similarities between the two embodiments will not be repeated here. The main differences of the above-mentioned first embodiment are:

The battery device 100' of the battery detection system 1000' further includes a detection circuit 140 and a protection circuit 150, and the detection circuit 140 is electrically connected to the plurality of cells of the cell group 110 and The front-end processing unit 111; the protection circuit 150 is electrically connected to the plurality of cells of the battery cell group 110 and the front-end processing unit 111. The front-end processing unit 111 further includes a protection circuit control element 1115 electrically connected to the control logic element 1111; when the detection circuit 140 detects that the battery pack 110 is abnormal (for example, a plurality of the When the voltage, temperature, or current reading of the battery cell is abnormal), the protection circuit control element 1115 activates the protection circuit 150 to protect the battery 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 used to connect to the electronic device through a connection line 300, enabling the electronic device 300 to obtain the status data.

[Third Embodiment]

Please refer to FIG. 7, which is a flowchart of the detection method of the battery detection system 1000 according to the third embodiment of the present invention. The detection method of the battery detection system 1000 of this embodiment includes steps S101 to S121, which can be executed by the battery detection system 1000 of the first or second embodiment, that is, please refer to FIGS. 1 to 3 and 5 at the same time. . It should be understood that the steps in the embodiments herein can be adjusted according to the actual application, and the order of the execution steps can be adjusted, and the steps can be omitted or amplified appropriately.

In step S101, the state of a battery pack 110 of a battery device 100 is detected and stored as a state data.

In step S103, it is confirmed whether the battery cell group 110 is normal according to the status data; when the battery cell group 110 is not abnormal, then the step S105 is executed. When any one of the battery cells of the battery cell group 110 is abnormal, a protection circuit 150 is activated, and then the step S105 is executed. The protection circuit 150 can protect the battery cell group 110 to prevent the battery cell group 110 from being damaged.

In step S105, it is determined whether the battery device 100 has received a sending command; if not, then step S101 is executed; if yes, then step S107 is executed; specifically, the battery device 100 has a button (Figure Not shown), the user can send the sending command by pressing the button; when the battery device 100 does not receive the sending command (the button is not pressed), the battery device will execute the steps S101, that is, continue to detect the state of the battery cell group 110.

In step S107, the status data is read and encoded into a digital signal. In detail, the state data has various information about a plurality of the battery cells, for example, the current, voltage, or temperature of the plurality of battery cells in series or in parallel, and the state data is coded The digital signal is generated.

In step S109, the digital signal is converted into an output signal by a control unit 112, and the light-emitting unit 130 sends a blinking information light signal according to the output signal, and then the step S101 is continuously executed at the same time. The battery device 100 will return to the step S101 and continue to detect the state of the battery pack 110.

In step S111, the information light signal is received by the optical decoding device 200.

In step S113, the optical decoding device 200 uses a timer 235 to confirm a light-emitting time of the information light.

In step S115, the first bit and the second bit are distinguished according to the light-emitting time. In detail, it is distinguished whether the light-emitting time is T; if it is, it is judged as the first bit; if not, it is judged as the second bit; then the step S117 is executed.

In step S117, a plurality of the first bits and a plurality of the second bits corresponding to the light-emitting time are sequentially received, and defined as the digital signal. Specifically, the digital signal is defined with multiple strings, and multiple strings can correspond to a piece of information. For example, when the string is 01001, the message represented by the string is one of the The temperature of the battery cell is 50 degrees Celsius, but the present invention is not limited to what is described in this embodiment.

In step S119, analyze the digital signal and confirm whether it is the valid state data; if not, then execute the step S113; if yes, then execute the step S121. For example, when the information light is blocked during the process of receiving the information light by the optical decoding device 200 and the information light is incomplete, the digital signal is defective and cannot correspond to the information. It is the invalid state data.

In step S121, the state data is transmitted to an electronic device 300 (not shown in the figure) through a communication interface 232; the electronic device 300 can display the state data through an application program operation.

[Technical Effects of Embodiments of the Invention]

In summary, the battery detection system 1000, the detection method and the battery device disclosed in the embodiment of the present invention can obtain the state data of the battery pack 110 through the front-end processing unit 111, and convert it into the The digital signal is decoded by the first control unit 112 to generate the output signal, so that the light-emitting unit 130 can emit the information light signal according to the output signal, and the user can obtain the output signal through the optical decoding device 200. The state data of the battery pack 110; according to this, the user does not need to electrically connect the battery device 100 and the electronic device 300 through any connecting wire, and can obtain the state data to detect the battery device The efficacy of 100.

The content disclosed above is only the preferred and feasible embodiments of the present invention, and does not limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made using the description and schematic content of the present invention are included in the application of the present invention. Within the scope of the patent.

1000, 1000’: Battery detection system 100, 100’: Battery device 110: Battery pack 111: front-end processing unit 1111: Control logic element 1112: multiplexer 1113: temperature sensing element 1114: Current detection element 1115: Protection circuit control element 112: control unit 1121: The first memory component 1122: the first processor 1123: The first output and input pin 1124: The first communication interface 120: The first control module 130: light-emitting unit 140: detection circuit 150: Protection circuit 200: Optical decoding device 210: light sensing unit 220: signal processing circuit 230: The second control module 231: second processor 232: The second communication interface 233: second output input pin 234: second memory component 235: timer 240: power supply unit 300: electronic equipment S101~S121: steps

FIG. 1 is a schematic block diagram of the circuit of the battery detection system according to the first embodiment of the present invention.

2 is a schematic block diagram of the circuit of the battery device according to the first embodiment of the present invention.

FIG. 3 is a schematic block diagram of the circuit of the optical decoding device according to the first embodiment of the present invention.

4 is a schematic diagram of the light-emitting time corresponding to the first bit and the second bit according to the first embodiment of the present invention.

5 is a schematic block diagram of the circuit of the battery detection system according to the second embodiment of the present invention.

FIG. 6 is a schematic block diagram of the circuit of the battery device according to the second embodiment of the present invention.

Fig. 7 is a schematic flowchart of a third embodiment of the present invention.

1000: Battery detection system

100: battery device

200: Optical decoding device

300: electronic equipment

Claims (7)

A battery detection system includes: a battery device, including; a battery cell group having a plurality of battery cells; and a first control module electrically connected to the battery cell group, and the first control module The group can obtain a status data of the battery cell group; a light-emitting unit is electrically connected to the first control module, the light-emitting unit receives the status data, and emits a blinking information light according to the status data And an optical decoding device that can receive the information light signal, the optical decoding device can parse the information light signal and decode it into the status data, and output the status data to an electronic device, the light The decoding device includes: a light sensing unit for receiving the information light; a signal processing circuit electrically connected to the light sensing unit, and the signal processing circuit can be generated according to the flickering of the information light A digital signal corresponding to the status data; a second control module electrically connected to the signal processing circuit, the second control module having a processor and a communication interface electrically connected to the processor, The processor can decode the digital signal and convert it into the status data, and transmit the status data to the electronic device through the communication interface, and the electronic device displays the status data through an application program operation And a power supply unit electrically connected to the second control module and the signal processing circuit. The battery detection system according to claim 1, wherein the second control module includes: An output and input pin (GPIO), which is electrically connected to the processor, and the input and output pin can receive the digital signal; a memory component, which is electrically connected to the processor; and a timer (timer) , Is electrically connected to the processor, and the timer is used by the processor to determine the blinking frequency of the information light. The battery detection system according to claim 2, wherein the memory component has a random access memory and a flash memory, and the random access memory is used to store variable data, programs, and return addresses ; The flash memory is used for the processor to store, decode and execute. The battery detection system according to claim 1, wherein the time when the information light is illuminated is defined as a time unit; when the signal processing circuit converts the digital signal according to the information light, the The signal processing circuit determines each of the time units as a first bit, and each two of the time units as a second bit. An optical decoding device capable of receiving an information light signal. The optical decoding device can analyze the information light signal and decode it into a state data corresponding to a battery cell group, and output the state data to an electronic device. The optical decoding device includes: a light sensing unit for receiving the information light; a signal processing circuit electrically connected to the light sensing unit, and the signal processing circuit can respond to the blinking of the information light A digital signal corresponding to the status data is generated; a control module is electrically connected to the signal processing circuit, the control module has a processor and a communication interface electrically connected to the processor, the processing The device can decode the digital signal and convert it into the state data, and communicate The status data is transmitted to the electronic device through the communication interface, and the electronic device displays the status data through an application program operation; wherein, the control module includes: an output and input pin (GPIO), Is electrically connected to the processor, the output and input pins can receive the digital signal; a memory component is electrically connected to the processor; and a timer is electrically connected to the processor, The timer is used to determine the flickering frequency of the information light; and a power supply unit is electrically connected to the control module and the signal processing circuit. The optical decoding device according to claim 5, wherein the memory component has a static random access memory and a flash memory, and the static random access memory is used for storing variable data, storing programs, And return address; the flash memory is used for the processor to store, decode and execute. The optical decoding device according to claim 5, wherein the time when the information light is emitted is defined as a time unit; when the signal processing circuit converts the digital signal according to the information light, the The signal processing circuit determines each of the time units as a first bit, and each two of the time units as a second bit.

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