CN115875296A - Energy storage system fan inspection method and device and energy storage system - Google Patents
Energy storage system fan inspection method and device and energy storage system Download PDFInfo
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- CN115875296A CN115875296A CN202211528791.6A CN202211528791A CN115875296A CN 115875296 A CN115875296 A CN 115875296A CN 202211528791 A CN202211528791 A CN 202211528791A CN 115875296 A CN115875296 A CN 115875296A
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Abstract
The application discloses a fan inspection method and device for an energy storage system and the energy storage system, and belongs to the technical field of energy storage system thermal management. The energy storage system fan inspection method comprises the following steps: determining the working state of the energy storage system based on the acquired first working parameter of the energy storage system; acquiring a second working parameter of the energy storage system under the condition that the energy storage system is in a non-operation state and the fan system is in a non-operation state; the second operating parameter comprises at least two of a first sub-operating parameter of the fire protection system, a second sub-operating parameter of the container system, and a third sub-operating parameter of the fan system; and determining the fault information of the target type of fan in the fan system based on the second working parameter, wherein the different types of fans correspond to different determination modes of the fault information. The method can improve the detection effect and reduce the labor cost.
Description
Technical Field
The application belongs to the technical field of energy storage system heat management, and particularly relates to an energy storage system fan inspection method, an energy storage system fan inspection device and an energy storage system.
Background
The energy storage system is widely applied to the field of battery systems, two modes of air-conditioning heat management and liquid-cooling heat management are mainly adopted for adjusting the heat balance of the energy storage system, a fire fighting system, an exhaust fan system and a PACK fan management system are simultaneously configured, the conventional battery of the air-conditioning heat management mode adopts the PACK self-contained fan system and a relay fan auxiliary system to realize heat balance, and the fire fighting exhaust fan system timely eliminates gas in the early stage of thermal runaway of the battery and closes the fan before the start of fire extinguishing. In the related technology, the regular inspection of the fan mainly depends on manpower to regularly inspect and operate and maintain at abnormal moments, the manpower cost and the time cost are high, the inspection effect is poor, and the energy storage system cannot be guaranteed to reliably and safely operate.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides an energy storage system fan inspection method, an energy storage system fan inspection device and an energy storage system, so that the detection effect is improved, and the labor cost is reduced.
In a first aspect, the application provides a method for inspecting a fan of an energy storage system, wherein the energy storage system comprises a battery PACK, a fire protection system, a container system and a fan system, the fan system comprises at least two of a PACK fan, a relay fan and an exhaust fan, and the method comprises the following steps:
determining the working state of the energy storage system based on the acquired first working parameter of the energy storage system;
acquiring a second working parameter of the energy storage system under the condition that the energy storage system is in a non-operation state and the fan system is in a non-operation state; the second operating parameter comprises at least two of a first sub-operating parameter of the fire protection system, a second sub-operating parameter of the container system, and a third sub-operating parameter of the fan system;
and determining fault information of a target type of fan in the fan system based on the second working parameter, wherein different types of fans correspond to different determination modes of the fault information.
According to the energy storage system fan inspection method, the fault information of the fan of the target type in the fan system is determined based on the second working parameter by adopting different fault information determination modes, the detection efficiency is high, the detection result is accurate, the manpower and the time cost can be obviously reduced while the normal operation of the energy storage system is effectively maintained, and therefore the technical problems that the inspection effect is poor and the manpower cost is high in the related technology are solved.
According to an embodiment of the present application, the determining fault information of a target type of fan in the fan system based on the second operating parameter includes:
determining the working state of the fire fighting system based on the first sub-working parameter;
determining a first temperature difference of the energy storage system within a first time length when the fire protection system is in a non-fault state and the last detection of the energy storage system exceeds the first time length;
sending a target inspection signal under the condition that the first temperature difference exceeds a first temperature threshold, wherein the target inspection signal is used for detecting the target type fan in the fan system;
and determining fault information of the fan system based on the second operating parameter in response to the target inspection signal.
According to an embodiment of the present application, after the determining the first temperature difference of the energy storage system over the first length of time and before the determining the fault information of the fan system based on the second operating parameter in response to the target patrol signal, the method further comprises:
under the condition that the first temperature difference does not exceed a first temperature threshold value and the energy storage system exceeds a second time length from the last detection, sending the target inspection signal;
wherein the second duration is greater than the first duration.
According to one embodiment of the application, in the case that the target inspection signal is a PACK fan inspection signal; the determining fault information for a target type of fan in the fan system based on the second operating parameter includes:
acquiring the number of first branches of the PACK fan with abnormity based on the third sub-working parameter;
determining fault information of the PACK fan based on the first branch number and a second target value under the condition that the first branch number is larger than a first target value;
wherein the second target value is greater than the first target value.
According to an embodiment of the present application, the determining the fault information of the PACK fan based on the first branch number and the second target value includes:
determining that the fault information of the PACK fan is a serious fault under the condition that the number of the first branches is larger than the second target value;
determining an ambient temperature difference for the container system based on the second sub-operational parameter if the first number of branches is not greater than the second target value;
determining a cell temperature difference of the container system based on the second sub-operating parameter if the ambient temperature difference exceeds a second temperature threshold;
and under the condition that the temperature difference of the single body exceeds a third temperature threshold value, determining that the fault information of the PACK fan is serious fault.
According to one embodiment of the application, in the case that the target inspection signal is a relay fan inspection signal; the determining fault information for a target type of fan in the fan system based on the second operating parameter includes:
acquiring the number of second branches of the relay fan with abnormity on the basis of the third sub-working parameters;
and determining the fault information of the relay fan based on the second sub-working parameter under the condition that the number of the second branches is larger than a third target value.
According to an embodiment of the present application, the determining the fault information of the relay fan based on the second sub-operating parameter includes:
determining an ambient temperature differential for the container system based on the second sub-operational parameter;
determining a cell temperature difference of the container system based on the second sub-operating parameter if the ambient temperature difference exceeds a second temperature threshold;
and under the condition that the monomer temperature difference exceeds a third temperature threshold value, determining that the fault information of the relay fan is a serious fault.
According to one embodiment of the application, in the case that the target inspection signal is an exhaust fan inspection signal; the determining fault information for a target type of fan in the fan system based on the second operating parameter includes:
acquiring the number of third branches of the exhaust fan with abnormity based on the third sub-working parameters;
and determining that the fault information of the exhaust fan is a serious fault under the condition that the number of the third branches is larger than a fourth target value.
In a second aspect, the present application provides an energy storage system fan inspection device, and energy storage system includes battery package, fire extinguishing system, container system and fan system, fan system includes two kinds at least in PACK fan, relay fan and the exhaust fan, and the device includes:
the first processing module is used for determining the working state of the energy storage system based on the acquired first working parameter of the energy storage system;
the second processing module is used for acquiring a second working parameter of the energy storage system under the condition that the energy storage system is in a non-operation state and the fan system is in a non-operation state; the second operating parameter comprises at least two of a first sub-operating parameter of the fire protection system, a second sub-operating parameter of the container system, and a third sub-operating parameter of the fan system;
and the third processing module is used for determining fault information of a target type of fan in the fan system based on the second working parameter, wherein different types of fans correspond to different determination modes of the fault information.
According to the energy storage system fan inspection device, the fault information of the fan of the target type in the fan system is determined based on the second working parameter by adopting different fault information determination modes, the detection efficiency is higher, the detection result is more accurate, the manpower and the time cost can be obviously reduced while the normal operation of the energy storage system is effectively maintained, and the technical problems that the inspection effect is poor and the manpower cost is high in the related technology are solved.
In a third aspect, the present application provides an energy storage system comprising:
a battery pack;
a fire protection system;
a container system;
the fan system comprises at least one of a PACK fan, a relay fan and an exhaust fan, the fan system, the fire fighting system and the battery PACK are arranged in the container system, and the exhaust fan is arranged in the fire fighting system;
the energy storage system fan inspection device according to the second aspect, wherein the energy storage system fan inspection device is electrically connected with the battery pack, the fire protection system, the container system and the fan system respectively.
In a fourth aspect, the present application provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the energy storage system fan inspection method according to the first aspect.
In a fifth aspect, the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to run a program or instructions to implement the method for routing inspection for a fan of an energy storage system according to the first aspect.
In a sixth aspect, the present application provides a computer program product comprising a computer program which, when executed by a processor, implements the energy storage system fan inspection method according to the first aspect.
One or more technical solutions in the embodiments of the present application have at least one of the following technical effects:
through adopting different fault information to confirm the fault information of the fan of target kind in order to confirm based on second working parameter in the fan system through the fault information that adopts different fault information, have higher detection efficiency and more accurate testing result, when effectively maintaining energy storage system normal operating, can show reduction manpower and time cost to solve among the correlation technique and patrol and examine the relatively poor and high technical problem of human cost of effect.
Furthermore, whether the first temperature difference is abnormal or not is judged by comparing the first temperature difference of the energy storage system in the target time period with the first temperature threshold value under the non-fault condition of the fire protection system, and an air supply fan inspection signal is sent under the abnormal condition, so that the influence of other factors on the fan inspection result can be eliminated, and the accuracy of the detection result is improved.
Furthermore, the periodic timing inspection of the fan system can be realized by directly sending the target inspection signal to perform fan inspection under the condition of longer accumulated undetected time, so that the fan system can be maintained daily, the safety of the energy storage system is improved, and the technical problem that the reliable and safe operation of the energy storage system cannot be effectively ensured in the related technology is solved.
And furthermore, the fault grade of the fan system is determined based on parameters such as the working state of the fire fighting system, the detection time, the first temperature difference of the energy storage system, the number of branches with fan faults, the environmental temperature difference of the container system, the monomer temperature of the container system and the like, so that the accuracy and the precision of the judgment result are obviously improved.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is one of schematic flow diagrams of a method for routing inspection of a fan of an energy storage system according to an embodiment of the present application;
fig. 2 is a second schematic flowchart of a fan inspection method of an energy storage system according to an embodiment of the present disclosure;
fig. 3 is a third flowchart of the energy storage system fan inspection method according to the embodiment of the present application;
fig. 4 is a fourth schematic flowchart of a fan inspection method of an energy storage system according to an embodiment of the present disclosure;
fig. 5 is a fifth flowchart illustrating a fan inspection method of an energy storage system according to an embodiment of the present disclosure;
FIG. 6 is a schematic structural diagram of an energy storage system fan inspection device provided in an embodiment of the present application;
fig. 7 is a schematic structural diagram of an energy storage system provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application are capable of operation in sequences other than those illustrated or described herein, and that the terms "first," "second," etc. are generally used in a generic sense and do not limit the number of terms, e.g., a first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The energy storage system fan inspection method, the energy storage system fan inspection device, the electronic device and the readable storage medium provided by the embodiment of the present application are described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
The energy storage system fan inspection method can be applied to an energy storage system and can be specifically executed by hardware or software in the energy storage system.
According to the energy storage system fan inspection method provided by the embodiment of the application, an execution main body of the energy storage system fan inspection method can be a functional module or a functional entity capable of realizing the energy storage system fan inspection method in an energy storage system, or can be a server in communication connection with the energy storage system, or can also be a user terminal in communication connection with the energy storage system, including but not limited to a mobile phone, a PC (personal computer) end, a desktop computer and the like of a user; the energy storage system fan inspection method provided by the embodiment of the application is described below by taking an energy storage system as an execution main body.
The energy storage system fan inspection method of the present application is described below with reference to fig. 1-5.
It should be noted that the energy storage system fan inspection method can be applied to the thermal management scenario of an energy storage system based on air-conditioning thermal management, where the energy storage system includes, but is not limited to, a battery energy storage system, a photovoltaic energy storage system, and other energy storage systems.
The energy storage system may include a battery PACK, a fire protection system, a container system, and a fan system including at least two of a PACK fan, a relay fan, and an exhaust fan.
The fan system, the fire-fighting system and the battery pack are arranged in the container system, and the exhaust fan is arranged in the fire-fighting system.
The PACK fan is a fan carried by a battery PACK in the container system; the exhaust fan is a fan used in the air exhaust process of the container system and can be arranged on the side wall of the container body of the container system; the relay fan is a fan arranged in the middle of the container body of the container system and used for ensuring that air conditioner air flows on two sides can be exchanged.
As shown in fig. 1, the energy storage system fan inspection method includes: step 110, step 120 and step 130.
in this step, the battery pack may be a storage battery pack or any other energy storage cell.
The first working parameter is a real-time working parameter of the battery pack and is used for representing the working state of the battery pack.
The working state of the battery pack comprises a normal state and an abnormal state, and the normal state further comprises an operating state and a non-operating state.
The first operating parameter may be obtained by a battery management system, which is not limited in this application.
In some embodiments, step 110 may further include: and determining the working state of the energy storage system based on the acquired first working parameter of the energy storage system within the settable time.
in this step, the second operating parameter is used to perform an automatic inspection of the fan system.
The second operating parameter includes at least two of a first sub-operating parameter of the fire protection system, a second sub-operating parameter of the container system, and a third sub-operating parameter of the fan system.
Wherein, the first sub-working parameter is used for judging whether the fire-fighting system is in fault.
The second sub-operating parameter is used to determine temperature information of the container system, including but not limited to ambient temperature differences of the container system and monomer temperature differences of the container system.
The third sub-operating parameter is used for representing the operating state of the fan system, and comprises: at least one of working parameters corresponding to the PACK fan, relay fan and exhaust fan.
After the second working parameter is obtained, the second working parameter can be stored in a local database or a cloud database so as to be called when needed subsequently.
And step 130, determining the fault information of the target type of fan in the fan system based on the second working parameter, wherein different types of fans correspond to different determination modes of the fault information.
In this step, the target kind of fan may be any one or more of a PACK fan, a relay fan, and an exhaust fan.
The fault information of the different types of fans can be determined based on the second operating parameter, and the specific determination manners (inspection guarantee policies) are different, and the specific description will be given below for the determination manners of the fault information of the different types of fans, which is not repeated herein.
The fault information includes at least one of a fault class and a fault type.
Wherein the fault level is used to characterize a degree of fault of the fan system.
For example, the failure level may include multiple levels, such as normal, general abnormal, and serious abnormal, and may be set based on an actual situation in an actual application process, which is not limited in the present application.
The failure types include PACK fan failure, relay fan failure, and exhaust fan failure.
It is understood that, in the case where the fault information includes a fault level and a fault type, the fault information may be expressed as: PACK fan normal, PACK fan general abnormal, PACK fan severe abnormal, relay fan normal, relay fan general abnormal, relay fan severe abnormal, exhaust fan normal, exhaust fan severe abnormal, and the like.
As shown in fig. 2, in the actual implementation process, a first operating parameter of the battery pack may be obtained by the battery management system, and the operating state of the battery pack may be determined based on the first operating parameter.
And under the condition that the battery pack is determined to be in a normal state and in an operating state, continuously monitoring the working state of the battery pack through the battery management system.
And under the condition that the battery pack is determined to be in a normal state and a non-operation state, further judging whether the fan system is operated.
And under the condition that the fan system is determined to be operated, the working state of the battery pack is continuously monitored through the battery management system.
And under the condition that the fan system is determined to be not operated, acquiring second working parameters of the energy storage system to determine fault information of the target type of fan in the fan system, and judging whether the fan system has faults or not based on the fault information, so that automatic inspection of the fan system is realized.
It should be noted that, in the present application, the types of the fans may be different, the corresponding second operating parameters may also be different, and the corresponding failure information determination manners may also be different. In the following embodiments, the determination manner of the fault information of the fans of different types will be specifically described, and details are not described herein again.
With continued reference to fig. 2, in some embodiments, step 130 may further include:
determining the working state of the fire fighting system based on the first sub-working parameter;
under the condition that the fire fighting system is in a non-failure state and the time from the last detection of the energy storage system exceeds a first time, determining a first temperature difference of the energy storage system within the first time;
transmitting a target inspection signal under the condition that the first temperature difference exceeds a first temperature threshold, wherein the target inspection signal is used for detecting the fan system;
and determining fault information of the fan system based on the second working parameter in response to the target inspection signal.
In this embodiment, the operational status of the fire protection system includes a fault status or a non-fault status.
The first time period may be user-defined, such as set to 24 hours.
The first temperature threshold is used for judging whether the first temperature difference is abnormal or not, and the first temperature difference can be considered to be abnormal under the condition that the first temperature difference exceeds the first temperature threshold.
The first temperature threshold is a preset temperature threshold, and a value of the first temperature threshold may be set based on an actual situation, which is not limited in the present application.
The target inspection signal is used for detecting a fan in the fan system corresponding to the type of the target inspection signal.
The target inspection signal may include: the PACK fan polling signal, the relay fan polling signal and the exhaust fan polling signal.
In other embodiments, in the case that the operating state of the fire protection system is a non-failure state and the energy storage system has not exceeded the first time period since the last detection, the detection time period is continuously monitored until the first time period is exceeded since the last detection.
According to the energy storage system fan inspection method provided by the embodiment of the application, whether the first temperature difference is abnormal or not is judged by comparing the first temperature difference of the energy storage system in the target time period with the first temperature threshold value under the non-fault condition of the fire protection system, and the air supply fan inspection signal is sent under the abnormal condition, so that the influence of other factors on the fan inspection result can be eliminated, and the accuracy of the detection result is improved.
With continued reference to fig. 2, in some embodiments, after determining the first temperature differential of the energy storage system over the first time period and before determining the fault information for the fan system based on the second operating parameter in response to the target patrol signal, the method may further include:
under the condition that the first temperature difference does not exceed a first temperature threshold value and the energy storage system exceeds a second time length from the last detection, sending a target inspection signal;
wherein the second duration is greater than the first duration.
In this embodiment, the second time period is a time period longer than the first time period, and the second time period may be customized based on a user, such as setting the second time period to 72 hours or 48 hours, and the application is not limited thereto.
In the actual execution process, under the condition that the first temperature difference does not exceed a first temperature threshold value and the last detection of the energy storage system exceeds a second time, sending a target inspection signal; and then responding to the target inspection signal, and detecting the fan corresponding to the target inspection signal so as to determine the fault information of the fan system.
In other embodiments, in the case that the first temperature difference does not exceed the first temperature threshold and the energy storage system does not exceed the second time period since the last detection, the detection time is continuously monitored until the energy storage system exceeds the second time period since the last detection.
According to the energy storage system fan inspection method provided by the embodiment of the application, the target inspection signal is directly sent to inspect the fan under the condition that the accumulated undetected time is long, periodic timing inspection of the fan system can be achieved, daily maintenance of the fan system is facilitated, accordingly, the safety of the energy storage system is improved, and the technical problem that the energy storage system cannot be effectively guaranteed to reliably and safely operate in the related art is solved.
With continued reference to fig. 2, in some embodiments, after step 130, the method may further include:
under the condition that the fan system is determined to be in a normal state, the working state of the battery pack is continuously monitored through the battery management system;
and under the condition that the fan system is determined to be in the fault state, outputting early warning information.
In this embodiment, the warning information is generated based on the fault information.
The early warning information can be output by at least one of the following modes:
for one, the output may be presented as a text output.
In the embodiment, the fault information and the early warning information can be output in a text form, and operation and maintenance personnel can be informed to perform maintenance processing in time.
Second, the output may be presented as a speech output.
In this embodiment, the maintenance personnel may be alerted by voice that the current fan system is malfunctioning.
Third, the output may be represented as an image output.
In this embodiment, the early warning information may be displayed on a screen of the user terminal or a screen of the monitoring center to remind the operation and maintenance personnel to take relevant processing in time.
Fourth, the output may be presented as a signal light output.
In this embodiment, the signal lamp corresponding to the failed fan may flash to remind the operation and maintenance personnel that the fan is failed.
Of course, in other embodiments, the output may also be presented in other forms, which may be determined according to actual needs, and the present application does not limit this.
In the embodiment, the operation and maintenance personnel can be timely reminded to select corresponding maintenance measures based on the fault condition by outputting the early warning information, so that the situation that the safety accident is enlarged due to the fact that fire fighting cannot normally act when the fire fighting fault occurs is prevented, the potential safety hazard is effectively reduced, the energy storage system is guaranteed to reliably and safely operate, and the technical problem that the energy storage system cannot be effectively guaranteed to reliably and safely operate in the related technology is solved.
With continued reference to fig. 2, in some embodiments, after step 130, the method may further include: and determining the self-checking times of the fan system.
With continued reference to fig. 2, in some embodiments, after step 130, the method may further include: the position information is recorded.
In this embodiment, the location information is used to characterize the location of the fault where the fault occurred.
In the application, the fault information of the fan system is determined based on the second working parameters of at least two of the first sub-working parameters of the fire-fighting system, the second sub-working parameters of the container system and the third sub-working parameters of the fan system, so that the accuracy of the detection result is high, the detection dimensionality is comprehensive, and the accuracy of the detection result can be improved; and manual operation is not needed, and the system has higher automation degree, so that the inspection effect can be improved.
In addition, the corresponding fault determination mode is selected based on the type of the fan, the detection scheme can be flexibly adjusted based on different fans to achieve the best detection effect, the accuracy of the fault detection result can be further improved, the flexibility is high, and the method and the device are suitable for wide application scenarios.
According to the energy storage system fan inspection method provided by the embodiment of the application, the fault information of the target type fan in the fan system is determined based on the second working parameter by adopting different fault information determination modes, so that the method has higher detection efficiency and more accurate detection results, the manpower and time cost can be obviously reduced while the normal operation of the energy storage system is effectively maintained, and the technical problems of poor inspection effect and high manpower cost in the related technology are solved.
The following describes the failure determination method for different types of fans from three implementation points.
1. PACK fan inspection
As shown in fig. 3, in some embodiments, where the target patrol signal is a PACK fan patrol signal; determining fault information for a target class of fans in the fan system based on the second operating parameter may include:
acquiring the number of first branches of the abnormal PACK fan based on the third sub-working parameter;
and under the condition that the number of the first branches is larger than the first target value, determining the fault information of the PACK fan based on the number of the first branches and the second target value.
In this embodiment, the first target value is a preset value, and the first target value is a smaller value, which may be customized by a user, for example, the first target value is set to 0 or 1, and the application is not limited in this application.
The second target value is larger than the first target value, and the second target value may be user-defined, such as set to 3 or 5, and the application is not limited.
In this embodiment, when the first branch number is greater than the first target value, the failure information of the PACK fan is determined based on the magnitude relationship between the first branch number and the second target value.
In some embodiments, obtaining the first branch number of the PACK fan in which the abnormality occurs based on the third sub-operation parameter may include: and sequentially inspecting the PACK fans of the battery clusters according to the target sequence, and acquiring the number of the first branches of the abnormal PACK fans based on the third sub-working parameters.
In the embodiment, the PACK fans of the plurality of battery clusters are sequentially checked by setting the target sequence, so that batch polling according to the battery cluster level is realized, and the detection efficiency is higher. With continued reference to FIG. 3, in some embodiments, where the operational status of the fire protection system is non-failure and the PACK fan has not exceeded the first time period since the last detection, the detection time period continues to be monitored until the first time period has been exceeded since the last detection.
In some embodiments, in the case that the number of the first branches is not greater than the first target value, returning to continue monitoring the working state of the fire protection system.
In some embodiments, determining the failure information of the PACK fan based on the first branch number and the second target value may include:
determining that the fault information of the PACK fan is serious fault under the condition that the number of the first branches is larger than a second target value;
determining the environmental temperature difference of the container system based on the second sub-operating parameter under the condition that the number of the first branches is not more than the second target value;
determining a monomer temperature difference of the container system based on the second sub-operating parameter in the case that the environmental temperature difference exceeds a second temperature threshold;
and under the condition that the temperature difference of the single body exceeds a third temperature threshold value, determining the fault information of the PACK fan as a serious fault.
In this embodiment, the second temperature threshold and the third temperature threshold are both preset values, and the values thereof may be customized based on a user, which is not limited in this application.
This embodiment will be specifically described below, taking the first target value as 0 as an example.
As shown in fig. 3, the energy storage system first determines the working state of the fire protection system based on the first sub-working parameter; under the condition that the working state of the fire protection system is non-failure and the energy storage system is detected for more than 24 hours from the last time, further determining a first temperature difference of the energy storage system in a first time period based on the first sub-working parameter; and under the condition that the first temperature difference exceeds a first temperature threshold value, sending a PACK fan polling signal.
After receiving a PACK fan polling signal, responding to the PACK fan polling signal to start polling the PACK fan, and then responding to the PACK fan polling signal to acquire the number of first branches of the abnormal PACK fan; and when the first branch quantity is greater than 0, continuously judging whether the first branch quantity is greater than a second target value.
Determining an ambient temperature difference of the container system based on the second sub-operating parameter in the case that the number of the first branches is determined not to be greater than the second target value; determining a monomer temperature difference of the container system based on the second sub-operating parameter under the condition that the environmental temperature difference exceeds a second temperature threshold value; and under the condition that the temperature difference of the single body exceeds the third temperature threshold value, determining that the fault information of the PACK fan is serious fault.
With continued reference to fig. 3, in other embodiments, in the event that the number of first branches is not greater than the second target value and the ambient temperature difference does not exceed the second temperature threshold, then the failure information of the PACK fan is determined to be a general failure.
With continued reference to fig. 3, in other embodiments, in the event that the ambient temperature difference exceeds the second temperature threshold and the cell temperature difference does not exceed the third temperature threshold, then the failure information for the PACK fan is determined to be a general failure.
According to the energy storage system fan inspection method that the embodiment of the application provides, based on fire extinguishing system's operating condition, check time, energy storage system's first difference in temperature, the first branch quantity of PACK fan trouble, the ambient temperature difference of container system and the fault level of the monomer temperature isoparametric of container system confirm the PACK fan, the accuracy and the accuracy nature of judged result have been showing and improved, thereby avoid can not in time discover the increase system's difference in temperature that changes and lead to because of the PACK fan is unusual, lead to the branch road not to flow equally, thereby the system can fill the problem such as the discharge capacity reduces aggravation system electric core inconsistency.
2. Relay fan inspection
As shown in fig. 4, in some embodiments, in the case where the target patrol signal is a relay fan patrol signal; determining fault information for a target class of fans in the fan system based on the second operating parameter may include:
acquiring the number of second branches of the abnormal relay fan based on the third sub-working parameter;
and determining the fault information of the relay fan based on the second sub-operating parameter under the condition that the number of the second branches is larger than the third target value.
In this embodiment, the third target value is a preset value, the third target value is a smaller value, and the third target value may be the same as the first target value, for example, set to 0, and the application is not limited thereto.
In this embodiment, upon determining that the second branch number is greater than the third target value, the fault information of the relay fan may be determined based on the second sub-operation parameter.
With continued reference to fig. 4, in other embodiments, in the event that the second branch number is not greater than the third target value, returning to continue monitoring the operating condition of the fire protection system.
With continued reference to FIG. 4, in other embodiments, where the operating state of the fire protection system is non-faulted and the relay fan has not exceeded the first time period since the last detection, then the detection time period continues to be monitored until the first time period has exceeded the last detection, and then the subsequent steps continue to be performed.
In some embodiments, determining the fault information of the relay fan based on the second sub-operating parameter may include:
determining an ambient temperature difference of the container system based on the second sub-operating parameter;
determining a monomer temperature difference of the container system based on the second sub-operating parameter under the condition that the environmental temperature difference exceeds a second temperature threshold value;
and under the condition that the temperature difference of the single body exceeds a third temperature threshold value, determining that the fault information of the relay fan is a serious fault.
In this embodiment, the second temperature threshold and the third temperature threshold are both preset values, and the values thereof may be customized based on a user, which is not limited in this application.
For example, in the actual implementation process, as shown in fig. 4, the energy storage system first determines the working state of the fire protection system based on the first sub-working parameter; under the condition that the working state of the fire protection system is non-failure and the distance between the relay fan and the last detection exceeds 24 hours, determining a first temperature difference of the energy storage system within a first time period; and under the condition that the first temperature difference exceeds a first temperature threshold value, sending a relay fan polling signal.
Responding to the relay fan inspection signal, and acquiring the number of second branches of the abnormal relay fan; determining the environmental temperature difference of the container system based on the second sub-working parameter under the condition that the number of the second branches is larger than 0;
determining a monomer temperature difference of the container system based on the second sub-operating parameter under the condition that the environmental temperature difference exceeds a second temperature threshold value; and under the condition that the temperature difference of the single body exceeds a third temperature threshold value, determining that the fault information of the relay fan is a serious fault.
With continued reference to fig. 4, in other embodiments, in the case that the number of second branches is greater than the third target value and the environmental temperature difference does not exceed the second temperature threshold, the fault information of the relay fan is determined to be a general fault.
With continued reference to fig. 4, in other embodiments, the failure information of the relay fan is determined to be a general failure if the ambient temperature difference exceeds the second temperature threshold and the cell temperature difference does not exceed the third temperature threshold.
According to the energy storage system fan inspection method provided by the embodiment of the application, the fault level of the relay fan is determined based on the working state of the fire fighting system, the detection time, the first temperature difference of the energy storage system, the number of the second branch circuits of the fault of the relay fan, the environment temperature difference of the container system, the monomer temperature of the container system and other parameters, the accuracy and the precision of the judgment result are obviously improved, the problem that the temperature difference of the system is increased due to the fact that the relay fan cannot be abnormally found and replaced in time is solved, the branch circuits are not uniform, the system can be charged and discharged, and the problem that the inconsistency of the system electric core is aggravated is solved.
3. Inspection of exhaust fan
As shown in fig. 5, in some embodiments, in the case where the target patrol signal is an exhaust fan patrol signal; determining fault information for a target class of fans in the fan system based on the second operating parameter may include:
acquiring the number of third branches of the abnormal exhaust fan based on the third sub-working parameter;
and determining the fault information of the exhaust fan as a serious fault under the condition that the number of the third branches is larger than the fourth target value.
In this embodiment, the fourth target value is a preset value, the fourth target value is a smaller value, and the fourth target value may be the same as the first target value, for example, set to 0, and the application is not limited thereto.
Taking the fourth target value as 0 as an example, in the actual execution process, as shown in fig. 5, the energy storage system first determines the working state of the fire protection system based on the first sub-working parameter; under the condition that the working state of the fire protection system is a non-fault state and the distance between the exhaust fan and the last detection exceeds 24 hours, determining a first temperature difference of the energy storage system in a first time span based on a first sub-working parameter; and sending an exhaust fan polling signal under the condition that the first temperature difference exceeds a first temperature threshold value.
After receiving the exhaust fan polling signal, responding to the exhaust fan polling signal, and acquiring the quantity of third branches of the abnormal exhaust fan; and under the condition that the number of the third branches is more than 0, determining that the fault information of the exhaust fan is a serious fault.
With continued reference to fig. 5, in other embodiments, in the event that the third branch number is not greater than the fourth target value, returning to continue monitoring the operating condition of the fire protection system.
With continued reference to FIG. 5, in other embodiments, in the event that the operating condition of the fire protection system is non-faulty and the exhaust fan is not more than the first time period from the last detection, the detection time period continues to be monitored until the first time period is exceeded from the last detection.
With continued reference to FIG. 5, in other embodiments, in the event that the first temperature difference exceeds the first temperature threshold, it is determined whether the exhaust fan has exceeded the second time period since the last detection.
And sending an exhaust fan patrol signal under the condition that the second time length is determined to be exceeded.
And in the case that the second time length is determined not to be exceeded, continuously monitoring the detection time length until the second time length is exceeded from the last detection.
According to the energy storage system fan inspection method provided by the embodiment of the application, the fault grade of the exhaust fan is determined based on the working state of the fire fighting system, the detection time, the first temperature difference of the energy storage system, the number of the third branches of the exhaust fan fault and other parameters, the accuracy and the precision of the judgment result are obviously improved, the problem that the reliable and safe operation of the energy storage system is influenced due to the fact that the exhaust fan cannot act timely when the fire fighting action is caused due to abnormity is avoided, and potential safety hazards are obviously reduced.
According to the energy storage system fan inspection method, the execution main body can be an energy storage system fan inspection device. The energy storage system fan inspection device provided by the embodiment of the application is described by taking the energy storage system fan inspection device as an example to execute the energy storage system fan inspection method.
The embodiment of the application also provides an energy storage system fan inspection device.
This energy storage system includes: the battery PACK comprises a battery PACK, a fire fighting system, a container system and a fan system, wherein the fan system comprises at least one of a PACK fan, a relay fan and an exhaust fan.
As shown in fig. 6, the energy storage system fan inspection device includes: a first processing module 610, a second processing module 620, and a third processing module 630.
The first processing module 610 is configured to determine an operating state of the energy storage system based on the acquired first operating parameter of the energy storage system;
the second processing module 620 is configured to obtain a second working parameter of the energy storage system when the energy storage system is in a non-operating state and the fan system is in a non-operating state; the second working parameter comprises at least two of a first sub-working parameter of the fire protection system, a second sub-working parameter of the container system and a third sub-working parameter of the fan system;
and a third processing module 630, configured to determine fault information of a target type of fan in the fan system based on the second operating parameter, where the different types of fans correspond to different determination manners of the fault information.
According to the energy storage system fan inspection device provided by the embodiment of the application, the fault information of the fan of the target type in the fan system is determined based on the second working parameters by adopting different fault information determination modes, so that the detection efficiency is higher, the detection result is more accurate, the manpower and the time cost can be obviously reduced while the normal operation of the energy storage system is effectively maintained, and the technical problems of poor inspection effect and high manpower cost in the related technology are solved.
In some embodiments, the third processing module 630 may be further configured to:
determining the working state of the fire fighting system based on the first sub-working parameter;
under the condition that the fire fighting system is in a non-failure state and the time from the last detection of the energy storage system exceeds a first time, determining a first temperature difference of the energy storage system within the first time;
under the condition that the first temperature difference exceeds a first temperature threshold value, sending a target inspection signal, wherein the target inspection signal is used for detecting a target type fan in the fan system;
and determining fault information of the fan system based on the second working parameter in response to the target inspection signal.
In some embodiments, the third processing module 630 may be further configured to:
after determining a first temperature difference of the energy storage system within a first time period and before determining fault information of the fan system based on a second working parameter in response to the target patrol signal, sending the target patrol signal under the condition that the first temperature difference does not exceed a first temperature threshold and the last detection of the energy storage system exceeds a second time period;
wherein the second duration is greater than the first duration.
In some embodiments, where the target patrol signal is a PACK fan patrol signal; the third processing module 630 may be further configured to:
acquiring the number of first branches of the abnormal PACK fan based on the third sub-working parameter;
determining fault information of the PACK fan based on the first branch number and a second target value under the condition that the first branch number is larger than the first target value;
wherein the second target value is greater than the first target value.
In some embodiments, the third processing module 630 may be further configured to:
determining that the fault information of the PACK fan is serious fault under the condition that the number of the first branches is larger than a second target value;
determining the environmental temperature difference of the container system based on the second sub-operating parameter under the condition that the number of the first branches is not more than the second target value;
determining a monomer temperature difference of the container system based on the second sub-operating parameter under the condition that the environmental temperature difference exceeds a second temperature threshold value;
and under the condition that the temperature difference of the single body exceeds a third temperature threshold value, determining the fault information of the PACK fan as a serious fault.
In some embodiments, where the target patrol signal is a relay fan patrol signal; the third processing module 630 may be further configured to:
acquiring the number of second branches of the abnormal relay fan based on the third sub-working parameter;
and determining the fault information of the relay fan based on the second sub-operating parameter under the condition that the number of the second branches is larger than the third target value.
In some embodiments, the third processing module 630 may be further configured to:
determining an ambient temperature difference of the container system based on the second sub-operational parameter;
determining a monomer temperature difference of the container system based on the second sub-operating parameter under the condition that the environmental temperature difference exceeds a second temperature threshold value;
and under the condition that the temperature difference of the single body exceeds a third temperature threshold value, determining that the fault information of the relay fan is a serious fault.
In some embodiments, where the target patrol signal is an exhaust fan patrol signal; the third processing module 630 may be further configured to:
acquiring the number of third branches of the abnormal exhaust fan based on the third sub-working parameter;
and determining the fault information of the exhaust fan as a serious fault under the condition that the number of the third branches is larger than the fourth target value.
The energy storage system fan inspection device in the embodiment of the application can be a device with an operating system. The operating system may be an Android (Android) operating system, an IOS operating system, or other possible operating systems, which is not specifically limited in the embodiments of the present application.
The energy storage system fan inspection device provided by the embodiment of the application can realize each process realized by the method embodiments of fig. 1 to 5, and is not repeated here for avoiding repetition.
As shown in fig. 7, an embodiment of the present application further provides an energy storage system, which includes a battery pack, a fire protection system, a container system, a fan system, and the energy storage system fan inspection device according to any of the above embodiments.
Wherein the fan system includes at least one of a PACK fan 111, a relay fan 112, and an exhaust fan 113.
The fan system, the fire fighting system and the battery pack are arranged in the container system, and the exhaust fan 113 is arranged in the fire fighting system.
The energy storage system fan inspection device is electrically connected with the battery pack, the fire fighting system, the container system and the fan system respectively.
The energy storage system fan inspection device is used for executing the energy storage system fan inspection method in any embodiment.
According to the energy storage system provided by the embodiment of the application, the fault information of the fan of the target type in the fan system of the energy storage system is determined based on the second working parameter by adopting different fault information determination modes, so that the higher detection efficiency and the more accurate detection result are achieved, the manpower and time cost can be obviously reduced while the normal operation of the energy storage system is effectively maintained, and the technical problems that the inspection effect is poor and the manpower cost is high in the correlation technique are solved.
The embodiment of the present application further provides a non-transitory computer-readable storage medium, where a computer program is stored on the non-transitory computer-readable storage medium, and when executed by a processor, the computer program implements each process of the energy storage system fan inspection method embodiment, and can achieve the same technical effect, and is not described herein again to avoid repetition.
The processor is the processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a computer read only memory ROM, a random access memory RAM, a magnetic or optical disk, and the like.
The embodiment of the application also provides a computer program product, which comprises a computer program, and the computer program is executed by a processor to realize the energy storage system fan inspection method.
The processor is the processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a computer read only memory ROM, a random access memory RAM, a magnetic or optical disk, and the like.
The embodiment of the application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, the processor is used for running programs or instructions, so that the processes of the energy storage system fan inspection method embodiment are realized, the same technical effects can be achieved, and the repeated description is omitted here for avoiding repetition.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as a system-on-chip, or a system-on-chip.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (12)
1. The energy storage system fan inspection method is characterized in that an energy storage system comprises a battery PACK, a fire fighting system, a container system and a fan system, the fan system comprises at least two of a PACK fan, a relay fan and an exhaust fan, and the method comprises the following steps:
determining the working state of the energy storage system based on the acquired first working parameter of the energy storage system;
acquiring a second working parameter of the energy storage system under the condition that the energy storage system is in a non-operation state and the fan system is in a non-operation state; the second operating parameter comprises at least two of a first sub-operating parameter of the fire protection system, a second sub-operating parameter of the container system, and a third sub-operating parameter of the fan system;
and determining the fault information of the target type of fan in the fan system based on the second working parameter, wherein different types of fans correspond to different determination modes of the fault information.
2. The energy storage system fan inspection method according to claim 1, wherein the determining fault information of a target type of fan in the fan system based on the second operating parameter includes:
determining the working state of the fire fighting system based on the first sub-working parameter;
determining a first temperature difference of the energy storage system within a first time length when the fire protection system is in a non-fault state and the last detection of the energy storage system exceeds the first time length;
sending a target inspection signal for detecting the target type of fan in the fan system when the first temperature difference exceeds a first temperature threshold;
and determining fault information of the fan system based on the second operating parameter in response to the target inspection signal.
3. The energy storage system fan inspection method according to claim 2, wherein after the determining the first temperature difference of the energy storage system over the first length of time and before the determining the fault information of the fan system based on the second operating parameter in response to the target inspection signal, the method further comprises:
under the condition that the first temperature difference does not exceed a first temperature threshold value and the energy storage system exceeds a second time length from the last detection, sending the target inspection signal;
wherein the second duration is greater than the first duration.
4. The energy storage system fan inspection method according to claim 2 or 3, wherein in the case that the target inspection signal is a PACK fan inspection signal; the determining fault information for a target type of fan in the fan system based on the second operating parameter includes:
acquiring the number of first branches of the PACK fan with abnormity based on the third sub-working parameter;
determining fault information of the PACK fan based on the first branch number and a second target value under the condition that the first branch number is larger than a first target value;
wherein the second target value is greater than the first target value.
5. The energy storage system fan inspection method according to claim 4, wherein the determining fault information of the PACK fan based on the first branch number and the second target value comprises:
determining that the fault information of the PACK fan is a serious fault under the condition that the number of the first branches is larger than the second target value;
determining an ambient temperature difference of the container system based on the second sub-operational parameter if the first branch number is not greater than the second target value;
determining a cell temperature difference of the container system based on the second sub-operating parameter if the ambient temperature difference exceeds a second temperature threshold;
and under the condition that the temperature difference of the single body exceeds a third temperature threshold value, determining that the fault information of the PACK fan is serious fault.
6. The energy storage system fan inspection method according to claim 2 or 3, wherein in the case that the target inspection signal is a relay fan inspection signal; the determining fault information for a target type of fan in the fan system based on the second operating parameter includes:
acquiring the number of second branches of the relay fan with abnormality based on the third sub-working parameter;
and determining fault information of the relay fan based on the second sub-operating parameter under the condition that the number of the second branches is larger than a third target value.
7. The energy storage system fan inspection method according to claim 6, wherein the determining fault information of the relay fan based on the second sub-operating parameter includes:
determining an ambient temperature differential for the container system based on the second sub-operational parameter;
determining a cell temperature difference for the container system based on the second sub-operational parameter if the environmental temperature difference exceeds a second temperature threshold;
and under the condition that the monomer temperature difference exceeds a third temperature threshold value, determining that the fault information of the relay fan is a serious fault.
8. The energy storage system fan inspection method according to claim 2 or 3, wherein in the case that the target inspection signal is an exhaust fan inspection signal; the determining fault information for a target type of fan in the fan system based on the second operating parameter includes:
acquiring the number of third branches of the abnormal exhaust fan based on the third sub-working parameters;
and determining that the fault information of the exhaust fan is a serious fault under the condition that the number of the third branches is larger than a fourth target value.
9. The utility model provides an energy storage system fan inspection device, its characterized in that, energy storage system include battery package, fire extinguishing system, container system and fan system, fan system includes two kinds at least in PACK fan, relay fan and the exhaust fan, the device includes:
the first processing module is used for determining the working state of the energy storage system based on the acquired first working parameter of the energy storage system;
the second processing module is used for acquiring a second working parameter of the energy storage system under the condition that the energy storage system is in a non-running state and the fan system is in a non-running state; the second operating parameter comprises at least two of a first sub-operating parameter of the fire protection system, a second sub-operating parameter of the container system, and a third sub-operating parameter of the fan system;
and the third processing module is used for determining fault information of a target type of fan in the fan system based on the second working parameter, wherein different types of fans correspond to different determination modes of the fault information.
10. An energy storage system, comprising:
a battery pack;
a fire protection system;
a container system;
the fan system comprises at least one of a PACK fan, a relay fan and an exhaust fan, the fan system, the fire-fighting system and the battery PACK are arranged in the container system, and the exhaust fan is arranged in the fire-fighting system;
the energy storage system fan inspection device according to claim 9, electrically coupled to the battery pack, the fire protection system, the container system, and the fan system, respectively.
11. A non-transitory computer readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the energy storage system fan inspection method according to any one of claims 1-8.
12. A computer program product comprising a computer program, wherein the computer program, when executed by a processor, implements the energy storage system fan inspection method according to any one of claims 1 to 8.
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| CN202211528791.6A CN115875296A (en) | 2022-11-30 | 2022-11-30 | Energy storage system fan inspection method and device and energy storage system |
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