CN210348466U - Battery management system firmware off-line upgrading device and electronic product - Google Patents
Battery management system firmware off-line upgrading device and electronic product Download PDFInfo
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- CN210348466U CN210348466U CN201920949102.6U CN201920949102U CN210348466U CN 210348466 U CN210348466 U CN 210348466U CN 201920949102 U CN201920949102 U CN 201920949102U CN 210348466 U CN210348466 U CN 210348466U
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Abstract
The utility model discloses a battery management system firmware off-line upgrading device and electronic product. The power supply circuit supplies power for the battery management system firmware off-line upgrading device, is connected with a battery management system product to be upgraded through an upgrading interface, and sends the upgrading file to the battery management system product to be upgraded through the single chip microcomputer to upgrade the battery management system product, so that the effect of upgrading the battery management system firmware without a computer is achieved. The technical problem that the battery management system firmware upgrading device needs to be upgraded on line by the upper computer in the prior art is solved, the technical effect that the firmware can be upgraded by directly accessing the upgrading interface of the battery management system equipment is achieved, more use scenes are met, and the user experience is improved.
Description
Technical Field
The utility model relates to an electronic information technical field, in particular to battery management system firmware off-line upgrading device and electronic product.
Background
The battery management system is the tie between battery and the user, and the main object is secondary battery, mainly is in order to improve the utilization ratio of battery, prevents that overcharge and overdischarge from appearing in the battery, can be used to electric automobile, storage battery car, robot, unmanned aerial vehicle etc.. The method can accurately estimate the state of charge of the power battery pack, namely the residual capacity of the battery, and prevent the damage to the battery caused by overcharge or overdischarge.
The battery management system is provided with a set of software system, and with the continuous progress of the program level, under the condition that the hardware is not changed, the estimation precision of the residual electric quantity of the battery can be improved by using a more excellent battery management system, and the charging and discharging can be adjusted, so that the service life of the battery is further prolonged. As a result, battery management system upgradeable functions are now becoming more common.
The traditional battery management system upgrading function is based on connection between a set-top position and a reserved upgrading interface, the latest battery management system firmware needs to be detected, downloaded and updated in a networking state, operation is troublesome, relevant industry personnel need to have conditions such as the set-top position and a network, and the upgrading work of the battery management system can be carried out under the condition that the upgrading process needs to be learned and trained.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery management system firmware off-line upgrading device aims at solving the battery management system firmware upgrading device that exists among the prior art and need go up the position and carry out the technical problem of online upgrading.
In order to achieve the above object, the utility model provides a battery management system firmware off-line upgrading device includes power supply circuit, singlechip and upgrading interface; the power supply circuit is connected with the single chip microcomputer, and the single chip microcomputer is connected with the upgrading interface; wherein the content of the first and second substances,
the power supply circuit is used for supplying power to the battery management system firmware offline upgrading device;
the upgrading interface is used for connecting a battery management system product to be upgraded;
the single chip microcomputer is used for storing the battery management system upgrading file and sending the battery management system upgrading file to the battery management system product to be upgraded through the upgrading interface according to the upgrading mode required by the battery management system product to be upgraded.
Preferably, the battery management system firmware offline upgrading device further comprises an isolation communication circuit; the single chip microcomputer is connected with the upgrading interface through the isolation communication circuit; and the isolation communication circuit is used for isolating the upgrading interface from the singlechip and electrically isolating the upgrading interface from the singlechip.
Preferably, the battery management system firmware offline upgrade device further comprises a firmware downloading circuit; the firmware downloading circuit is connected with the single chip microcomputer; and the firmware downloading circuit is used for downloading the battery management system upgrading file and sending the battery management system upgrading file to the single chip microcomputer.
Preferably, the battery management system firmware offline upgrade device further comprises a display unit; the display unit is connected with the singlechip; wherein the content of the first and second substances,
the single chip microcomputer is also used for sending a display signal to the display unit;
and the display unit is used for receiving the display signal and displaying the corresponding image-text content according to the display signal.
Preferably, the battery management system firmware offline upgrading device further comprises a key control circuit; the key control circuit is connected with the single chip microcomputer; wherein the content of the first and second substances,
the key control circuit is used for sending a preset signal to the single chip microcomputer when the key is switched on;
and the singlechip is also used for executing corresponding preset operation when receiving the preset signal.
Preferably, the key control circuit comprises an inquiry key, a detection key and an automatic upgrade key.
Preferably, the single chip microcomputer comprises a data communication circuit; and the data communication circuit is used for communicating the battery management system firmware offline upgrading device with external equipment.
Preferably, the power supply circuit comprises a charging circuit; the charging circuit is used for charging the power supply circuit.
Preferably, the battery management system firmware offline upgrading device further comprises a data communication and charging interface; the data communication circuit and the charging circuit are respectively connected with the data communication and charging interfaces.
The utility model also provides an electronic equipment, electronic equipment includes as above battery management system firmware off-line upgrading device.
The utility model discloses technical scheme forms a battery management system firmware off-line upgrading device through adopting supply circuit, singlechip and upgrading interface. The power supply circuit supplies power for the battery management system firmware off-line upgrading device, is connected with a battery management system product to be upgraded through an upgrading interface, and the single chip microcomputer sends the upgrading file to the battery management system product to be upgraded to upgrade the battery management system product, so that the effect of upgrading the battery management system firmware without a computer is achieved. The technical problem that the battery management system firmware upgrading device needs to be upgraded on line by the upper computer in the prior art is solved, the technical effect that the firmware can be upgraded by directly accessing the upgrading interface of the battery management system equipment is achieved, more use scenes are met, and the user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a functional block diagram of an embodiment of an offline firmware upgrading apparatus for a battery management system according to the present invention;
fig. 2 is a functional block diagram of another embodiment of the device for offline upgrading firmware of a battery management system according to the present invention;
fig. 3 is a functional block diagram of another embodiment of the device for offline upgrading firmware of a battery management system according to the present invention;
fig. 4 is a functional block diagram of another embodiment of the device for offline upgrading firmware of a battery management system according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
200 | |
| 300 | |
400 | Isolated |
| 500 | |
600 | |
| 700 | |
800 | Charging interface |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope of the present invention.
Referring to fig. 1, the present embodiment provides an offline upgrade apparatus for firmware of a battery management system, where the offline upgrade apparatus for firmware of a battery management system includes a power supply circuit 100, a single chip 200, and an upgrade interface 300; the power supply circuit 100 is connected with the single chip microcomputer 200, and the single chip microcomputer 200 is connected with the upgrading interface 300; wherein the content of the first and second substances,
the power supply circuit 100 is configured to supply power to the battery management system firmware offline upgrade apparatus;
the upgrade interface 300 is used for connecting a battery management system product to be upgraded;
the single chip microcomputer 200 is configured to store a battery management system upgrade file, and send the battery management system upgrade file to a battery management system product to be upgraded through the upgrade interface 300 according to an upgrade mode required by the battery management system product to be upgraded.
It should be noted that the power supply circuit 100 also provides the upgrade interface 300 with electric energy required for upgrading, the upgrade interface 300 is used for connecting with a battery management system product to be upgraded, and after the connection is completed, the single chip microcomputer 200 completes the upgrade operation of the battery management system product to be upgraded. In this process, the upgrade interface 300 and the single chip microcomputer 200 both need to consume electric energy, that is, data and electric energy are transmitted to the battery management system product to be upgraded through the upgrade interface 300 together, so that the firmware upgrade of the battery management system can be realized.
It is easy to understand that, in this embodiment, the single chip microcomputer 200 includes functions of data storage, firmware program processing, protocol interface processing, and the like, and is used to replace an upper machine position in the firmware upgrading process of the conventional battery management system, store the upgrade file of the battery management system through the data storage function, process the upgrade file of the battery management system according to the upgrading requirement through the single chip microcomputer 200 and the firmware processing program, and send the upgrade file to the battery management system product to be upgraded.
It is worth emphasizing that, in this embodiment, the upgrade interface 300 is compatible with a plurality of communication methods and interfaces, including but not limited to RS458, RS232, CAN, UART, and the like, and corresponding interfaces, and may be directly connected to the battery management system product to be upgraded, or connected to the battery management system product to be upgraded by means of a patch cord, and communicates with the battery management system product to be upgraded by means of the communication method required by the upgrade of the battery management system product to be upgraded, and completes the upgrade.
In the technical scheme of this embodiment, the upgrade interface 300 is connected to the battery management system product to be upgraded to realize the wired communication with the battery management system product to be upgraded, and the single chip microcomputer 200 processes the upgrade file of the battery management system according to the upgrade requirement and then sends the upgrade file to the battery management system product to be upgraded through the upgrade interface 300 to complete the upgrade. The technical problem that the battery management system firmware upgrading device needs to be upgraded on line by the upper computer in the prior art is solved, the technical effect that the firmware can be upgraded by directly accessing the upgrading interface 300 of the battery management system equipment is achieved, more use scenes are met, and the user experience is improved.
As shown in fig. 2, the device for upgrading firmware of a battery management system offline further includes an isolation communication circuit 400; the single chip microcomputer 200 is connected with the upgrade interface 300 through the isolation communication circuit 400; the isolation communication circuit 400 is used for power isolation and electrical isolation between the upgrade interface 300 and the single chip microcomputer 200.
It should be noted that, due to the characteristics of the offline upgrade device for firmware of the battery management system, in order to meet the requirements of a usage scenario, the offline upgrade device is convenient to carry and can be used in a severe environment, and in the process of being carried, since the upgrade interface 300 is external and has a power output function, a short circuit of the upgrade interface 300 may occur, and the power isolation and the electrical isolation can be directly performed on the upgrade interface 300 and the single chip microcomputer 200 through the isolation communication circuit 400, so that the offline upgrade device for firmware of the battery management system can be prevented from being damaged by the short circuit.
It is easy to understand that, in this embodiment, when the power line and the data line are connected or the interference in the environment during the upgrade process is very large, the isolation communication circuit 400 can also ensure the normal operation of the upgrade process to a certain extent, thereby ensuring the safety of the use of the offline upgrade device for the firmware of the battery management system and the safety of the product of the battery management system to be upgraded.
According to the technical scheme, the isolation communication circuit 400 is additionally arranged, so that the battery management system firmware offline upgrading device is not influenced by the external environment in the carrying and using processes, the using requirements under severe conditions are met, the using scene of the battery management system firmware offline upgrading device is expanded, and the user experience is improved.
Referring to fig. 2, the battery management system firmware offline upgrade apparatus further includes a firmware download circuit 500; the firmware downloading circuit 500 is connected with the single chip microcomputer 200; the firmware downloading circuit 500 is configured to download the upgrade file of the battery management system, and send the upgrade file to the single chip microcomputer 200.
It should be noted that, after the firmware downloading circuit 500 is added, the battery management system firmware offline upgrading device can not only perform firmware upgrading operation on the battery management system product to be upgraded in the network-off state, but also query and download the latest battery management system upgrade file when the battery management system product returns to the network environment.
Specifically, the offline firmware upgrading device for the battery management system further includes a display unit 600; the display unit 600 is connected with the single chip microcomputer 200; wherein the content of the first and second substances,
the single chip microcomputer 200 is further configured to send a display signal to the display unit 600;
the display unit 600 is configured to receive the display signal and display corresponding image-text content according to the display signal.
It is easy to understand that, in the present embodiment, by adding the display unit 600, information of the upgrade process, the upgrade file version of the battery management system, the remaining power, the working state, and the like can be intuitively displayed, and thus, the display unit is easy for an operator to view.
Specifically, the offline firmware upgrading device for the battery management system further includes a key control circuit 700; the key control circuit 700 is connected with the single chip microcomputer 200; wherein the content of the first and second substances,
the key control circuit 700 is configured to send a preset signal to the single chip microcomputer 200 when a key is turned on;
the single chip microcomputer 200 is further configured to execute a corresponding preset operation when receiving the preset signal.
It should be noted that, after the key of the key control circuit 700 is pressed, the single chip microcomputer 200 can execute the operation designated by the corresponding key, so that the battery management system firmware offline upgrade device has a stronger function after leaving the computer.
Referring to fig. 3, in particular, the key control circuit includes an inquiry key, a detection key, and an automatic upgrade key.
It is worth emphasizing that, in this embodiment, the query key is used to read the version of the local battery management system upgrade file, and query whether there is a battery management system upgrade file with a higher version, and if there is a battery management system upgrade file with a higher version, download the battery management system upgrade file with a higher version to replace the local battery management system upgrade file. The detection key is used for detecting the version of the battery management system file of the battery management system product to be upgraded, and if the version of the local battery management system upgrade file is higher than the version of the battery management system file of the battery management system product to be upgraded, the battery management system product to be upgraded is upgraded. And the automatic upgrade key is used for detecting whether a high-version battery management system upgrade file exists or not, downloading the high-version battery management system upgrade file to replace the local battery management system upgrade file if the high-version battery management system upgrade file exists, detecting the battery management system file version of the battery management system product to be upgraded, and upgrading the battery management system product to be upgraded if the battery management system upgrade file version is lower than the local battery management system upgrade file version.
In this embodiment, the product functions of the offline firmware upgrading device of the battery management system are improved by adding the firmware downloading circuit 500, the display unit 600 and the key control circuit 700, so that the offline firmware upgrading device of the battery management system can download the upgrading file of the battery management system of a high version under the condition of network connection, display the state and the upgrading process of the offline firmware upgrading device of the battery management system, and can perform simple control through keys, so that the offline firmware upgrading device of the battery management system can still meet the use requirements when being separated from an upper computer station of a computer and the like, and the user experience is improved.
As shown in fig. 4, the single chip microcomputer 200 includes a data communication circuit; and the data communication circuit is used for communicating the battery management system firmware offline upgrading device with external equipment.
It is easy to understand that the off-line upgrade device of the battery management system firmware can communicate with the upper computer of the computer and so on through the data communication circuit to update the system or adjust the function of the system. For example, in the present embodiment, if the battery management system firmware offline upgrade apparatus has the key control circuit 700, the data communication circuit can redefine the functions of the key control circuit 700.
Specifically, the power supply circuit 100 includes a charging circuit; the charging circuit is configured to charge the power supply circuit 100.
It should be noted that, in this embodiment, the offline upgrade apparatus for firmware of a battery management system employs a rechargeable battery, so that a charging circuit is added to charge the rechargeable battery in the power supply circuit 100, and the upgrade of a battery management system product to be upgraded can be performed while charging.
Specifically, the battery management system firmware offline upgrade device further includes a data communication and charging interface 800; the data communication circuit and the charging circuit are connected to the data communication and charging interface 800, respectively.
It is easy to understand that the data communication circuit and the charging circuit need external interfaces to realize corresponding functions, in this embodiment, the data communication interface and the charging interface 800 use the same interface, which satisfies the requirements of the battery management system in various aspects such as portability of firmware, simplicity of use, and cost reduction.
In this embodiment, by adding the charging circuit, the data communication circuit, and the data communication and charging interface 800, the continuous use and continuous improvement of the firmware offline upgrade device of the battery management system are completed, so that the firmware offline upgrade device of the battery management system can meet the customized requirements of customers by improving software and adjusting the set-up position, and the technical scheme is perfected.
The utility model discloses still provide an electronic product, this electronic product include as above battery management system firmware off-line upgrading device, the concrete structure of this electronic product refers to above-mentioned embodiment, because this electronic product has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The device for upgrading the firmware of the battery management system in an off-line manner is characterized by comprising a power supply circuit, a single chip microcomputer and an upgrading interface; the power supply circuit is connected with the single chip microcomputer, and the single chip microcomputer is connected with the upgrading interface; wherein the content of the first and second substances,
the power supply circuit is used for supplying power to the battery management system firmware offline upgrading device;
the upgrading interface is used for connecting a battery management system product to be upgraded;
the single chip microcomputer is used for storing the battery management system upgrading file and sending the battery management system upgrading file to the battery management system product to be upgraded through the upgrading interface according to the upgrading mode required by the battery management system product to be upgraded.
2. The battery management system firmware offline upgrade apparatus according to claim 1, wherein the battery management system firmware offline upgrade apparatus further comprises an isolation communication circuit; the single chip microcomputer is connected with the upgrading interface through the isolation communication circuit; and the isolation communication circuit is used for isolating the upgrading interface from the singlechip and electrically isolating the upgrading interface from the singlechip.
3. The battery management system firmware offline upgrade apparatus according to claim 1, wherein the battery management system firmware offline upgrade apparatus further comprises a firmware download circuit; the firmware downloading circuit is connected with the single chip microcomputer; and the firmware downloading circuit is used for downloading the battery management system upgrading file and sending the battery management system upgrading file to the single chip microcomputer.
4. The battery management system firmware offline upgrade apparatus according to claim 1, wherein the battery management system firmware offline upgrade apparatus further comprises a display unit; the display unit is connected with the singlechip; wherein the content of the first and second substances,
the single chip microcomputer is also used for sending a display signal to the display unit;
and the display unit is used for receiving the display signal and displaying the corresponding image-text content according to the display signal.
5. The battery management system firmware offline upgrade apparatus according to claim 1, wherein the battery management system firmware offline upgrade apparatus further comprises a key control circuit; the key control circuit is connected with the single chip microcomputer; wherein the content of the first and second substances,
the key control circuit is used for sending a preset signal to the single chip microcomputer when the key is switched on;
and the singlechip is also used for executing corresponding preset operation when receiving the preset signal.
6. The off-line upgrading device for the firmware of the battery management system according to claim 5, wherein the key control circuit comprises an inquiry key, a detection key and an automatic upgrade key.
7. The battery management system firmware offline upgrade apparatus according to claim 1, wherein the single chip microcomputer includes a data communication circuit; and the data communication circuit is used for communicating the battery management system firmware offline upgrading device with external equipment.
8. The battery management system firmware offline upgrade apparatus of claim 7, wherein the power supply circuit comprises a charging circuit; the charging circuit is used for charging the power supply circuit.
9. The battery management system firmware offline upgrade apparatus according to claim 8, wherein the battery management system firmware offline upgrade apparatus further comprises a data communication and charging interface; the data communication circuit and the charging circuit are respectively connected with the data communication and charging interfaces.
10. An electronic product, characterized in that the electronic product comprises the battery management system firmware offline upgrade apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920949102.6U CN210348466U (en) | 2019-06-20 | 2019-06-20 | Battery management system firmware off-line upgrading device and electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920949102.6U CN210348466U (en) | 2019-06-20 | 2019-06-20 | Battery management system firmware off-line upgrading device and electronic product |
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| Publication Number | Publication Date |
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| CN210348466U true CN210348466U (en) | 2020-04-17 |
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| CN201920949102.6U Active CN210348466U (en) | 2019-06-20 | 2019-06-20 | Battery management system firmware off-line upgrading device and electronic product |
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