CN111464418A - Automatic networking method and system for power supply of mining lithium ion storage battery - Google Patents
Automatic networking method and system for power supply of mining lithium ion storage battery Download PDFInfo
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- CN111464418A CN111464418A CN202010332469.0A CN202010332469A CN111464418A CN 111464418 A CN111464418 A CN 111464418A CN 202010332469 A CN202010332469 A CN 202010332469A CN 111464418 A CN111464418 A CN 111464418A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
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Abstract
The application relates to an automatic networking method of a lithium ion storage battery power supply for a mine, wherein a plurality of lithium ion storage battery power supplies participating in networking broadcast and send messages competing for a power supply host to a CAN bus, so as to compete for host authority; the lithium ion storage battery power supply with the host authority is obtained, an external power supply port is opened, and power supply is provided to the outside; and the lithium ion storage battery power supply which does not obtain the host authority becomes a power supply slave, the external power supply port is closed, and the lithium ion storage battery power supply participates in the competition of the host authority again after the host of the power supply releases the host authority. The invention does not need any manual or external intervention, thereby breaking the defect that the single body can not provide power for a long time due to the limitation of volume and capacity, and ensuring the full-power long-time operation of electric equipment. The problem of colliery lithium ion battery power adopts the unit output, and is with high costs, bulky, and under the condition that breaks down, can't export outward, influence safety and quality of production in the pit, communication is solved.
Description
Technical Field
The application belongs to the technical field of battery pack networks, and particularly relates to an automatic networking method and system for a lithium ion storage battery power supply for a mine.
Background
Resource shortage, environmental pollution and ecological destruction are three global crises, and the generation of the crises has an inseparable relationship with the consumption of resources by modern industries. With the development of industry, the appearance and popularization of lithium batteries become an important measure for relieving the crisis problems, and the high-efficiency and energy-saving lithium batteries are widely applied to various fields. At present, the lithium ion storage battery power supply for the underground coal mine has remarkable achievement, but the capacity of the lithium ion storage battery power supply is limited due to the safety technical requirements of the underground coal mine environment and national standards on the lithium ion storage battery, so that the power supply output capacity is limited.
The power supply of the mining lithium ion storage battery is widely applied to underground coal mines as reliable power supply equipment, but the application of the power supply of the mining lithium ion storage battery in the field of coal mines is greatly limited due to the safety problem of the lithium ion battery.
The main application and application range of the lithium ion storage battery power supply for the mine are as follows: the power supply is suitable for the dangerous environment with explosive gases such as gas, coal dust and the like under a coal mine, and can be used as a standby power supply for mining equipment such as a mining rescue capsule, a refuge chamber, an underground communication system and the like. The mining lithium ion storage battery power supply integrates an advanced lithium battery matching technology, a charging and discharging management technology, an equalization technology, an explosion suppression technology, a communication bus technology and the like.
The defects of the existing power supply are as follows:
1. the power supply (power supply for short) of lithium ion storage battery under coal mine is output by single machine at present, and the concept of networking output is not adopted
2. If the mining lithium ion storage battery power supply with the master-slave structure is used as a single machine, the cost is high, the volume is large, and the underground installation and application are not facilitated
3. The high-capacity lithium ion storage battery power supply for the mine is used as a single host, has large capacity, large volume and high manufacturing cost, and cannot be output externally under the condition of failure, thereby influencing the safety and quality of underground production and communication.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the coal mine lithium ion storage battery power supply system aims at solving the problems that in the prior art, a coal mine lithium ion storage battery power supply adopts single-machine output, is high in cost and large in size, cannot be output externally under the condition of failure, and affects safety and quality of underground production and communication.
Aiming at the technical problems, the invention provides an automatic networking method and system for a lithium ion storage battery power supply for a mine.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides an automatic networking method of a mining lithium ion storage battery power supply, which comprises the following steps:
when an external alternating current power supply is powered off, a plurality of networking-participating lithium ion storage battery power supplies which are connected with a CAN bus and are in a power supply state broadcast send a message of a competitive power supply host to the CAN bus;
under the condition that the host authority is released by the current power host, the lithium ion storage battery power supply which firstly sends the competitive power host information obtains the host authority;
the lithium ion storage battery power supply with the host authority is obtained, an external power supply port is opened, and power supply is provided to the outside;
if the lithium ion storage battery power supply without the host authority is not obtained, the lithium ion storage battery power supply becomes a power supply slave, the external power supply port is closed, and the lithium ion storage battery power supply participates in the competition of the power supply host again after the host authority of the power supply host is released;
if the lithium ion storage battery power supply is in a single machine working state, the lithium ion storage battery power supply supplies power to the outside in a power supply available state.
The invention provides an automatic networking system of a lithium ion storage battery power supply for a mine, which comprises a CAN bus, wherein a plurality of lithium ion storage battery power supplies are connected to the CAN bus in a hanging mode;
when the external power supply is powered off, a plurality of lithium ion storage battery power supplies which participate in networking and are in a power supply state broadcast and send messages of competing power supply hosts to the CAN bus, so as to compete for host authority;
under the condition that the host authority is released by the current power host, the lithium ion storage battery power supply which firstly sends the competitive power host information obtains the host authority;
the lithium ion storage battery power supply with the host authority is obtained, an external power supply port is opened, and power supply is provided to the outside;
if the lithium ion storage battery power supply without the obtained host authority is a power supply slave, closing an external power supply port, and after the host of the power supply releases the host authority, participating in the competition of the host authority again;
if the lithium ion storage battery power supply is in a single machine working state, the lithium ion storage battery power supply supplies power to the outside in a power supply available state.
The invention has the beneficial effects that: the invention relates to an automatic networking method taking CAN bus communication as a carrier, which enables an online single-machine lithium ion storage battery power supply to realize ID distribution and node dynamic increase and decrease in a self-adaptive manner, and automatically and randomly and intelligently schedules a lithium ion storage battery power supply as a power supply host, wherein the power supply host CAN supply power to the outside, and other power supplies are in a waiting state and do not supply power to the outside. Under the condition that the power supply of the host computer fails or the electric quantity is used up, the host computer authority can be released, other lithium ion storage battery power supplies obtain the host computer authority through competition and supply power to the outside without any manual or external intervention, so that the defect that the single body cannot supply power for a long time due to the limitation of volume and capacity is overcome, and the full-power long-time operation of electric equipment can be ensured.
The mode of the competitive host of the invention is determined according to the time sequence, the power supply which firstly sends the competitive message can obtain further competitive qualification, and other power supplies quit the competition. Compared with the mode of determining the power supply qualification with the minimum identity ID by using the arbitration mechanism of the CAN bus in the prior art, the method CAN save resources and has higher speed.
The invention allocates an authority ID to each power supply participating in competition again, the authority ID is the SN code of the control chip of the power supply internal power supply management module in each power supply, the initial ID + the corresponding SN code is used as a new ID, the new ID is always used as the ID of the power supply, and the ID is used for determining the identity of the power supply when the power supply participates in networking each time. The invention does not need to re-distribute the ID every time of networking, saves resources and accelerates the networking progress.
Drawings
The technical solution of the present application is further explained below with reference to the drawings and the embodiments.
Fig. 1 is a flow chart of an ad hoc network method according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a contention process according to an embodiment of the present application;
FIG. 3 is a schematic diagram of an ad hoc network system according to an embodiment of the present application;
fig. 4 is a schematic diagram of a power supply structure of a lithium ion battery according to an embodiment of the present application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
The embodiment provides an automatic networking method for a lithium ion battery power supply for a mine, as shown in fig. 1, including:
s1, the CAN bus is connected with a plurality of networking lithium ion storage battery power supplies in a power supply state, and the power supplies compete for the host of the power supplies by broadcasting and sending messages of the host of the competitive power supplies to the CAN bus;
s2, under the condition that the host authority is released by the current power host, the lithium ion storage battery power supply which firstly sends the competitive power host information obtains the host authority;
s3, obtaining the lithium ion battery power supply of the host right, opening an external power supply port and providing power supply for the outside;
s4, if the lithium ion storage battery power supply without obtaining the host machine authority is a power supply slave machine, closing the external power supply port, and after the host machine of the power supply releases the host machine authority, participating in the competition of the host machine authority again;
and S5, if the lithium ion storage battery power supply is in a single machine working state, supplying power to the outside in a power supply available state.
As shown in fig. 1, in this embodiment, a plurality of lithium ion battery power supplies are connected through a CAN bus, so that automatic networking of the plurality of lithium ion battery power supplies CAN be realized.
In the underground coal mine, if an alternating current power supply for supplying power to underground equipment is suddenly powered off, due to the complex environment, the equipment cannot be maintained in time, and other external power supplies are difficult to switch in time for supplying power. At this time, the lithium ion storage battery is required to supply power, and under the condition of long power supply time, continuous power supply cannot be completed by only one lithium ion storage battery power supply, so that relay power supply of a plurality of lithium ion storage batteries is required.
In the embodiment, a plurality of lithium ion storage battery power supplies are connected through a CAN bus, and under the condition that an external power supply is powered off, each lithium ion storage battery power supply automatically networks to compete for a power supply host, only the lithium ion storage battery power supply which obtains the authority of the host provides power supply for the outside, and other lithium ion storage battery power supplies which do not obtain the authority of the host are used as slaves and do not provide power supply. When the power supply of the main machine is failed or the electric quantity is used up, the authority of the main machine can be released, and other lithium ion storage battery power supplies serving as the auxiliary machines participate in the competition of the power supply main machine again to provide power supply, so that the continuous power supply is completed.
Optionally, the working mode of the lithium ion battery power supply can be set on site according to the actual working condition on site;
if the networking work is set, the lithium ion storage battery power supply participates in networking, and participates in the competition of the host power supply in a power supply state; if the single-machine operation is set, the lithium ion storage battery power supply supplies power to the outside when in a power supply available state, and provides power supply.
The networking state (participating in networking or not participating in networking) of the lithium ion storage battery power supply can be set on site, if the networking state is set to be not participated, the corresponding lithium ion storage battery power supply equipment is in a single machine state, and for the lithium ion storage battery power supply in the single machine state, if the power supply state is available, the external output is opened to provide power supply; and if the power supply is in the non-power-supply state, waiting for the power supply to charge or maintain.
In an actual working site, under the condition that an external power supply is powered off, the time that some mine equipment actually needs to continuously supply power is possibly short, a single lithium ion storage battery power supply can complete power supply, networking is not needed, and the lithium ion storage battery can be set to be in a single machine state and does not participate in networking.
The embodiment is an automatic networking method using CAN bus communication as a carrier, and designs an automatic networking mechanism by utilizing the competitive characteristics of a CAN bus, wherein a lithium ion storage battery power supply obtains the host authority through competition without any manual or external intervention, so that the defect that a single body cannot provide electric power for a long time due to the limitation of volume and capacity is overcome, and the full-power long-time operation of electric equipment CAN be ensured.
The lithium ion storage battery pack is used as a standby power supply, alternating current is preferentially used for external output under the condition that alternating current input exists, and when the alternating current power supply is powered off, the lithium ion storage battery pack is automatically switched to supply power to the outside.
Optionally, as shown in fig. 2, the step of competing for obtaining the host right by the lithium ion battery power supply in this embodiment includes:
s21, monitoring the state of the CAN bus when the external alternating current is powered off, and sending a message of a competitive power supply host to the CAN bus by the lithium ion storage battery power supply participating in networking when the CAN bus is in an idle state;
s22, the CAN bus determines that the lithium ion storage battery which firstly sends the competition power supply host message has the qualification of continuing competition;
s23, the lithium ion storage battery power supply with continuous competition qualification continues to broadcast and send the message of the competition power supply host to the CAN bus, and other lithium ion storage battery power supplies without continuous competition qualification quit competition and become slave machines;
s24, if the CAN bus has the power supply host, the lithium ion storage battery power supply with continuous competition qualification becomes a slave, and waits for the power supply host to release the host authority;
and S25, if the CAN bus has no power supply host, the lithium ion storage battery power supply with continuous competition qualification obtains the host authority, and other lithium ion storage battery power supplies participating in competition become slaves.
In this embodiment, each lithium ion battery power supply monitors the state of the CAN bus before competing for the power supply host, and exits the competition of the power supply host if the CAN bus is in a non-idle state.
When the CAN bus is monitored to be in an idle state, the lithium ion storage battery power supplies participating in networking on the CAN bus CAN send messages of competing power supply hosts to the CAN bus, the CAN bus selects the lithium ion storage battery power supply which firstly sends the messages of competing power supply hosts to have the qualification of continuing competition, and other lithium ion storage battery power supplies participating in competition quit competition.
And for the current lithium ion storage battery with the continuous competition qualification, broadcasting and sending a message of becoming the power supply host to the CAN bus continuously, if no power supply host exists on the CAN bus currently, obtaining the current lithium ion storage battery with the continuous competition qualification as the host, obtaining the host authority, and supplying power to the outside. And feeding back response information of the command of the power supply host to the other lithium ion storage battery power supplies which do not obtain the continuous competition qualification on the CAN bus, turning into a slave, closing the power supply port, waiting for the power supply host to release the host authority, and participating in host competition again.
If the power supply host exists on the CAN bus, the lithium ion storage battery power supply which obtains the continuous competition qualification CAN receive the message of the existing host sent by the power supply host and feed back the response message of the command of the power supply host to become a slave, and other lithium ion storage battery power supplies which participate in the competition on the CAN bus also feed back the response message of the command of the power supply host to become the slave.
Optionally, each lithium ion storage battery power supply participating in networking sets an initial identity ID, and redistributes an authority ID during networking, so that the initial identity ID + the authority ID form a new identity ID of the lithium ion storage battery power supply.
The initial identity ID of the lithium ion battery power supply in this embodiment is an ID set when the lithium ion battery leaves a factory, is a unique identity of the lithium ion battery, and is labeled with information such as the type and date of production of the lithium ion battery.
When each lithium ion storage battery power supply participates in networking, a new authority ID is allocated, the authority ID is an SN (product serial number) code of a control chip corresponding to a power management module inside the lithium ion storage battery power supply, and when the lithium ion storage battery power supply participates in networking again, the new identity ID is fixed as an identity of the lithium ion storage battery power supply.
The new identity ID of the invention is always used as the identity ID of the corresponding lithium ion storage battery power supply, and the identity of the lithium ion storage battery power supply is identified by the identity ID every time the lithium ion storage battery power supply participates in networking. The invention does not need to redistribute the ID every time of networking, saves resources and accelerates the networking progress.
The embodiment is an automatic networking method using CAN bus communication as a carrier, and designs an automatic networking mechanism by utilizing the competitive characteristics of a CAN bus, so that the on-line single-machine lithium ion storage battery power supply CAN realize ID distribution and node dynamic increase and decrease in a self-adaptive manner, and automatically and randomly intelligently schedules a lithium ion storage battery power supply as a power supply host, the power supply host CAN supply power to the outside, the host authority CAN be released under the condition of finishing power supply, other lithium ion storage battery power supplies obtain the host authority through competition without any manual or external intervention, and therefore the defect that a single body cannot provide power for a long time due to the limitation of volume and capacity is overcome, and the full-power long-time operation of electric equipment CAN be ensured.
Example 2:
the embodiment provides an automatic networking system for a lithium ion storage battery power supply for a mine, which comprises a CAN bus, wherein the CAN bus is connected with a plurality of lithium ion storage battery power supplies in a hanging mode;
when the external power supply is powered off, a plurality of lithium ion storage battery power supplies which participate in networking and are in a power supply state broadcast and send messages of competing power supply hosts to the CAN bus, so as to compete for host authority;
under the condition that the host authority is released by the current power host, the lithium ion storage battery power supply which firstly sends the competitive power host information obtains the host authority;
the lithium ion storage battery power supply with the host authority is obtained, an external power supply port is opened, and power supply is provided to the outside;
if the lithium ion storage battery power supply without the obtained host authority is a power supply slave, closing an external power supply port, and after the host of the power supply releases the host authority, participating in the competition of the host authority again;
if the lithium ion storage battery power supply is in a single machine working state, the lithium ion storage battery power supply supplies power to the outside in a power supply available state.
After a plurality of lithium ion storage battery power supply equipment on the CAN bus is started, if the working mode set inside the lithium ion storage battery power supply equipment is networking work, the state of the lithium ion storage battery power supply capable of supplying power is judged, and if the electric quantity meets the charging requirement and is in a normal working state, networking is participated. If the single machine is set to work, the external power supply port is opened to supply power when the power supply of the lithium ion storage battery is judged to be in a power supply state; otherwise, waiting for power charging or maintenance.
For the specific networking of lithium ion batteries and the competition of host power supplies, please refer to example 1.
Optionally, as shown in fig. 4, the lithium ion battery power supply includes: the system comprises a lithium ion battery pack, a power management module, a transformer and an alternating current priority inverter;
the lithium ion battery pack is connected with a signal acquisition end of the power management module, and the power management module is connected to the CAN bus;
the direct-current input end of the alternating-current priority inverter is connected with a discharge port of the lithium ion battery pack, the alternating-current input end of the alternating-current priority inverter is connected with the secondary side of the transformer, and the alternating-current output end of the alternating-current priority inverter is used for being connected with underground equipment;
the primary side of the transformer is connected with an external alternating current power supply, and the secondary side of the transformer is connected to a charging port of the lithium ion battery pack through a lithium battery charger.
The transformer converts an input voltage of 127VAC, 380V or 660VAC into a voltage of 127VAC, sends the voltage to the AC-priority inverter, and preferentially uses AC to supply power to the external output when AC input exists. When the alternating current power supply is powered off, the power supply is automatically switched to the external power supply of the lithium ion battery pack.
Further, this embodiment still includes liquid crystal display, liquid crystal display is connected with power management module output for show the power supply state.
When the power supply of the lithium ion battery pack is switched, the power supply state signal of the lithium ion battery pack is externally provided, and the power supply state is displayed through the liquid crystal display screen, so that the working personnel can check the power supply state more conveniently.
Further optionally, the present embodiment further includes a remote controller for switching the working mode of the lithium ion battery power supply, where the remote controller is wirelessly connected to the power management module, and is configured to switch the lithium ion battery power supply to perform networking work or to perform stand-alone work on site according to the actual working condition on site.
Optionally, each lithium ion storage battery power supply participating in networking sets an initial identity ID, and redistributes an authority ID during networking, so that the initial identity ID + the authority ID form a new identity ID of the lithium ion storage battery power supply.
In this embodiment, please refer to embodiment 1 for the ID update of the lithium ion battery power source.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. An automatic networking method for a lithium ion storage battery power supply for a mine is characterized by comprising the following steps:
when an external alternating current power supply is powered off, a plurality of networking-participating lithium ion storage battery power supplies which are connected with a CAN bus and are in a power supply state broadcast send a message of competing a power supply host to the CAN bus, compete the host authority;
under the condition that the host authority is released by the current power host, the lithium ion storage battery power supply which firstly sends the competitive power host information obtains the host authority;
the lithium ion storage battery power supply with the host authority is obtained, an external power supply port is opened, and power supply is provided to the outside;
if the lithium ion storage battery power supply without the obtained host authority is a power supply slave, closing an external power supply port, and after the host of the power supply releases the host authority, participating in the competition of the host authority again;
if the lithium ion storage battery power supply is in a single machine working state, the lithium ion storage battery power supply supplies power to the outside in a power supply available state.
2. The automatic networking method for the lithium ion battery power supply for the mine according to claim 1, wherein the step of competing for the lithium ion battery power supply to obtain the authority of the host comprises:
monitoring the state of a CAN bus, and when the CAN bus is in an idle state, transmitting a message of competing a power supply host to the CAN bus by a lithium ion storage battery power supply participating in networking;
the CAN bus determines that the lithium ion storage battery which firstly sends the competition power supply host message has the qualification of continuing competition;
the lithium ion storage battery power supply with continuous competition qualification continues to broadcast and send a message of a competition power supply host to the CAN bus, and other lithium ion storage battery power supplies which do not obtain the continuous competition qualification quit competition and become slaves;
if the CAN bus has the power supply host, the lithium ion storage battery power supply with continuous competition qualification becomes a slave, and waits for the power supply host to release the host authority;
if the CAN bus does not have a power supply host, the lithium ion storage battery power supply with continuous competition qualification obtains the host authority, and other lithium ion storage battery power supplies participating in competition become slaves.
3. The automatic networking method of the lithium ion storage battery power supply for the mine according to claim 1, wherein each lithium ion storage battery power supply participating in networking is set with an initial identity ID, and is redistributed with an authority ID during networking, and the initial identity ID + the authority ID form a new identity ID of the lithium ion storage battery power supply.
4. The automatic networking method for the lithium ion storage battery power supply for the mine according to claim 3, wherein the initial identity ID of the lithium ion storage battery power supply is an ID set when the lithium ion storage battery leaves a factory, and the authority ID is an SN code of a control chip corresponding to the lithium ion storage battery power supply.
5. The automatic networking method for the lithium ion storage battery power supply for the mine according to claim 1, wherein the working mode of the lithium ion storage battery power supply can be set on site according to actual working conditions on site;
if the networking work is set, the lithium ion storage battery power supply participates in networking, and participates in the competition of the host power supply in a power supply state; if the single-machine operation is set, the lithium ion storage battery power supply supplies power to the outside when in a power supply available state, and provides power supply.
6. An automatic networking system of a mining lithium ion storage battery power supply is characterized by comprising a CAN bus, wherein a plurality of lithium ion storage battery power supplies are connected to the CAN bus in a hanging mode;
when the external power supply is powered off, a plurality of lithium ion storage battery power supplies which participate in networking and are in a power supply state broadcast and send messages of competing power supply hosts to the CAN bus, so as to compete for host authority;
under the condition that the host authority is released by the current power host, the lithium ion storage battery power supply which firstly sends the competitive power host information obtains the host authority;
the lithium ion storage battery power supply with the host authority is obtained, an external power supply port is opened, and power supply is provided to the outside;
if the lithium ion storage battery power supply without the obtained host authority is a power supply slave, closing an external power supply port, and after the host of the power supply releases the host authority, participating in the competition of the host authority again;
if the lithium ion storage battery power supply is in a single machine working state, the lithium ion storage battery power supply supplies power to the outside in a power supply available state.
7. The automatic networking system for a mining lithium-ion battery power supply of claim 6, wherein the lithium-ion battery power supply comprises: the system comprises a lithium ion battery pack, a power management module, a transformer and an alternating current priority inverter;
the lithium ion battery pack is connected with a signal acquisition end of the power management module, and the power management module is connected to the CAN bus;
the direct-current input end of the alternating-current priority inverter is connected with a discharge port of the lithium ion battery pack, the alternating-current input end of the alternating-current priority inverter is connected with the secondary side of the transformer, and the alternating-current output end of the alternating-current priority inverter is used for being connected with underground equipment;
the primary side of the transformer is connected with an external alternating current power supply, and the secondary side of the transformer is connected to a charging port of the lithium ion battery pack through a lithium battery charger.
8. The automatic networking system for the power supply of the mining lithium-ion storage battery of claim 7, further comprising a liquid crystal display screen, wherein the liquid crystal display screen is connected with the output end of the power management module and used for displaying the power supply state.
9. The automatic networking system for the lithium ion storage battery power supply for the mine according to claim 7, further comprising a remote controller for switching the working mode of the lithium ion storage battery power supply, wherein the remote controller is wirelessly connected with the power management module and is used for switching the lithium ion storage battery power supply to networking work or single-machine work on site according to the actual working condition on site.
10. The automatic networking system of the lithium ion storage battery power supply for the mine according to claim 6, wherein each lithium ion storage battery power supply participating in networking is set with an initial identity ID, and is redistributed with an authority ID during networking, and the initial identity ID + the authority ID form a new identity ID of the lithium ion storage battery power supply.
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| CN113635795A (en) * | 2021-07-27 | 2021-11-12 | 国创移动能源创新中心(江苏)有限公司 | Power distribution method and device for charging pile group |
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