Oil platform energy management and control system and method thereof

Abstract

The invention relates to the technical field of oil platform energy management and control, and discloses an oil platform energy management and control system, which comprises an energy acquisition and monitoring module, an energy use data calculation module, an energy scheduling module and a safety detection module, and is characterized in that the energy acquisition and monitoring module comprises an electric energy acquisition unit, a solar energy acquisition unit and a fuel oil acquisition unit; the energy use data calculation module comprises an energy use recording unit and an energy consumption calculation unit, the energy scheduling module comprises a scheduling request analysis unit and an actual scheduling unit, and the safety detection module comprises an energy reserve calculation unit and an equipment energy consumption anomaly detection unit. According to the method, the electric energy and the gas energy on the oil platform are counted, the optimal energy consumption model is established according to the energy consumption required by the ith equipment, the optimal energy consumption model is solved, the optimal energy distribution weight is obtained, scheduling distribution is carried out according to the energy distribution weight, the economical utilization of the energy of the oil platform is ensured, and the service life of the oil platform is prolonged. Therefore, the scheduling cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of oil platform energy management and control, and in particular to an oil platform energy management and control system and method thereof. Background Art

[0002] An oil platform, or drilling rig, is a large structure located offshore that is used to drill wells to extract oil and natural gas and temporarily store it until the oil can be transported to a refinery on land to crack the crude oil into products. In many cases, the platform contains extraction facilities and living quarters to accommodate the workforce;

[0003] In an energy management and control system for offshore oil production equipment disclosed in the prior art CN203133594U, the electric energy meter and the ultrasonic flow meter are provided to monitor the various electric energy consumption points and crude oil consumption points of the offshore oil production equipment, and the monitored data are transmitted to the main station computer through the data acquisition device for centralized monitoring. Once a certain value exceeds the set value, the main station computer controls the alarm device to alarm. Therefore, the energy management and control system of the offshore oil production equipment can achieve fine control of the energy of the offshore oil production equipment, which is conducive to efficient use of energy.

[0004] At present, when the existing technology performs energy scheduling for a certain device, it often only considers the use of a single energy source to supply the certain device, while ignoring the mixed scheduling of multiple energy sources to reduce costs. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the present invention provides an oil platform energy management and control system and method thereof, which has the advantages of saving energy consumption and solves the above-mentioned technical problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an energy management and control system for an oil platform, comprising an energy collection and monitoring module, an energy usage data calculation module, an energy scheduling module and a safety detection module;

[0009] The energy collection and detection module includes an electric energy collection unit, a solar energy collection unit and a fuel collection unit. The electric energy collection unit is used to collect and store the electric energy generated by the wind on the oil platform. The solar energy collection unit is used to collect the solar energy on the oil platform and convert it into electric energy for storage. The fuel collection unit is used to collect the gas energy collected by the oil platform. The energy collection and detection module also includes an energy monitoring unit, which is used to store the total amount of energy collected by the electric energy collection unit, the solar energy collection unit and the fuel collection unit respectively. The energy collection and detection module sends the stored data to the safety detection module;

[0010] The energy usage data calculation module includes an energy usage recording unit and an energy usage calculation unit. The energy usage recording unit is used to record the estimated usage time of the i-th device when the operator is about to use the i-th device. The energy usage calculation unit calculates the energy required to be consumed when the i-th device is currently in use. The energy usage data calculation module sends the calculation result and the operator's request to use the i-th device to the energy scheduling module;

[0011] The energy scheduling module includes a scheduling request analysis unit, an energy scheduling calculation unit and an actual scheduling unit. The scheduling request analysis unit is used to detect whether the operator's request to use the i-th device is compliant. After confirming compliance, the optimal scheduling plan is calculated through the energy calculation function in the energy scheduling calculation unit, and the scheduling is performed through the actual scheduling unit;

[0012] The safety detection module includes an energy reserve calculation unit and an equipment energy consumption anomaly detection unit. The energy reserve calculation unit is used to judge the energy scheduled by the energy scheduling module and the actually stored energy to avoid energy shortage. The equipment energy consumption anomaly detection unit is used to calculate the relationship between the actual amount of energy used by the equipment and the actual amount of energy output when the operator uses the i-th equipment, and judge whether the i-th equipment has an abnormality based on the calculation result.

[0013] As a preferred technical solution of the present invention, the expressions collected and stored by the electric energy collection unit, the solar energy collection unit and the fuel collection unit in the energy collection detection module are as follows:

[0014] CC t ={CCE t-1 +E t←t-1 ,CCD t-1 +D t←t-1}

[0015] Among them, CC t Indicates the current storage energy set, CCE t-1 +E t←t-1Represents the current energy update expression, CCD t-1 +D t←t-1 Represents the gas energy update expression at the current moment, CCE t-1 Indicates the stored electrical energy at the last moment, CCD t-1 Indicates the stored gas energy at the previous moment, E t←t-1 Indicates the energy increment from the previous moment to the current moment, D t←t-1 Indicates the gas energy increment from the previous moment to the current moment.

[0016] As a preferred technical solution of the present invention, the expression for calculating energy usage by the energy usage calculation module is as follows:

[0017] NY i =SJ i *ED i

[0018] Among them, NY i represents the energy consumption required by the i-th device, SJ i represents the usage time of the i-th device, ED i represents the rated energy consumption of the ith device.

[0019] As a preferred technical solution of the present invention, the specific steps in the energy scheduling module are as follows:

[0020] A1. Identify the authority of the current operator and determine whether he has the authority to use the i-th device. If he does not have the authority, the request is rejected. If he has the authority to use, execute step A2;

[0021] A2. Identify the instruction for the current operation of the i-th device and determine whether the operation instruction exists in the oil platform. If not, reject the request. If there is permission to use it, perform energy calculation and scheduling through the energy scheduling calculation unit and perform scheduling through the actual scheduling unit.

[0022] As a preferred technical solution of the present invention, the expression calculated by the energy scheduling calculation unit is as follows:

[0023]

[0024] st

[0025] 0≤CCE i，t ≤CCE t

[0026] 0≤CCD i，t ≤CCD t

[0027] Among them, NY irepresents the energy consumption required by the i-th device, CCE i，t represents the power allocated to the i-th device at the current moment, CCD i，t represents the gas energy allocated to the i-th device at the current moment, ρE i represents the power judgment function of the i-th device, ρD i represents the gas energy judgment function of the i-th device, ω1 and ω2 represent the distribution weights of the solution of the calculation expression, min represents the minimum function, CB i represents the energy consumption cost of the i-th device, CBE i，t represents the cost of the electric energy allocated to the i-th device at the current moment, CBD i，t It represents the cost of gas energy allocated to the i-th device at the current moment, and st represents the constraint.

[0028] As a preferred technical solution of the present invention, the expression of the electric energy judgment function of the i-th device is as follows:

[0029]

[0030] Among them, ρE i =0 means that the i-th device is not driven by electric energy, ρE i =ρe i Indicates that the i-th device is driven by electrical energy, and ρe i Represents the power loss coefficient of the i-th device.

[0031] As a preferred technical solution of the present invention, the gas energy judgment function expression of the i-th device is as follows:

[0032]

[0033] Among them, ρD i =ρd1 i Indicates that the i-th device is not driven by electricity, but is directly powered by gas, ρd1 i represents the gas energy loss coefficient of the i-th equipment, ρD i =ρe i *ρd1 i It indicates that the i-th device is driven by electric energy, and y represents the power generation loss.

[0034] As a preferred technical solution of the present invention, the specific working process of the safety detection module is as follows:

[0035] B1. The energy reserve calculation unit calculates the energy set CC stored at the current moment during the process of the scheduling request analysis unit executing step A2. t The total amount of energy in is judged, if the energy is insufficient, step A2 is terminated, if the energy is sufficient, A2 is not terminated, and the device energy consumption abnormality detection unit is called to execute step B2;

[0036] B2. Calculate the energy consumption NY required by the i-th device i The actual output energy consumption SJNY of the i-th device i The ratio between like Or if the temperature of the i-th device exceeds the temperature threshold, an alarm is issued, otherwise no action is taken.

[0037] As a preferred technical solution of the present invention, the judgment expression in step B1 is as follows:

[0038] NY i ≥CCE t-1 +E t←t-1 +CCD t-1 +D t←t-1 -∑ N\i NY

[0039] Among them, CCE t-1 Indicates the stored electrical energy at the last moment, CCD t-1 Indicates the stored gas energy at the previous moment, E t←t-1 Indicates the energy increment from the previous moment to the current moment, D t←t-1 Indicates the gas energy increment from the previous moment to the current moment, NY i represents the energy consumption required by the i-th device, ∑ N\i NY represents the total energy consumption of the devices in use except i at the current moment.

[0040] The present invention also provides an oil platform energy management and control method, based on the above-mentioned oil platform energy management and control system, comprising the following steps:

[0041] S1. The energy collection and detection module collects energy from the oil platform, stores the total amount of energy collected separately, and sends it to the security detection module to update the actual stored energy;

[0042] S2. The operator records the estimated usage time of the i-th device when operating the i-th device, and sends the request of the i-th device to the energy scheduling module;

[0043] S3, the energy scheduling module detects whether the operator's request to use the i-th device is compliant. After confirming compliance, the energy calculation function in the energy scheduling calculation unit calculates the optimal scheduling plan and performs scheduling through the actual scheduling unit;

[0044] S4. During the scheduling process of the energy scheduling module, the safety detection module is used to judge the energy scheduled by the energy scheduling module and the actually stored energy to avoid energy shortage. At the same time, the relationship between the actual energy used by the device and the actual energy output when the operator uses the i-th device is calculated, and whether the i-th device has an abnormality is judged based on the calculation results.

[0045] Compared with the prior art, the present invention provides an oil platform energy management and control system and method thereof, which has the following beneficial effects:

[0046] 1. The present invention collects statistics on the electric energy and gas energy on the oil platform, establishes an optimal energy consumption model according to the energy consumption required by the i-th device, solves the optimal energy consumption model, obtains the optimal energy allocation weight, and performs scheduling and allocation based on the energy allocation weight, thereby ensuring the energy conservation and utilization of the oil platform and reducing the scheduling cost.

[0047] 2. The present invention uses the energy reserve calculation unit to judge the total amount of energy stored in the energy concentration at the current moment during the process of the energy scheduling calculation unit executing the energy scheduling calculation unit in the energy scheduling module. If the energy is insufficient, the energy scheduling calculation unit is terminated to perform energy calculation scheduling, thereby avoiding energy shortage. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 It is a schematic diagram of the system framework of the present invention;

[0049] Figure 2 It is a schematic diagram of the process of the present invention. DETAILED DESCRIPTION

[0050] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0051] See also Figure 1-Figure 2 , an energy management and control system for an oil platform, including an energy collection and monitoring module, an energy usage data calculation module, an energy scheduling module and a safety detection module;

[0052] The energy collection and detection module includes an electric energy collection unit, a solar energy collection unit and a fuel collection unit. The electric energy collection unit is used to collect and store the electric energy generated by the wind on the oil platform. The solar energy collection unit is used to collect the solar energy on the oil platform and convert it into electric energy for storage. The fuel collection unit is used to collect the gas energy collected by the oil platform. The energy collection and detection module also includes an energy monitoring unit, which is used to store the total amount of energy collected by the electric energy collection unit, the solar energy collection unit and the fuel collection unit respectively. The energy collection and detection module sends the stored data to the safety detection module. The expressions for the electric energy collection unit, the solar energy collection unit and the fuel collection unit in the energy collection and detection module are as follows:

[0053] CC t ={CCE t-1 +E t←t-1 ,CCD t-1 +D t←t-1}

[0054] Among them, CCt represents the current storage energy set, CCE t-1 +E t←t-1 Represents the current energy update expression, CCD t-1 +D t←t-1 Represents the gas energy update expression at the current moment, CCE t-1 Indicates the stored electrical energy at the last moment, CCD t-1 Indicates the stored gas energy at the previous moment, E t←t-1 Indicates the energy increment from the previous moment to the current moment, D t←t-1 Indicates the gas energy increment from the previous moment to the current moment;

[0055] The energy usage data calculation module includes an energy usage recording unit and an energy usage calculation unit. The energy usage recording unit is used to record the estimated usage time of the i-th device when the operator is about to use the i-th device, and the energy usage calculation unit calculates the energy NY that the i-th device needs to consume when it is currently in use. i =SJ i *ED i , the energy usage data calculation module will calculate the result NY i And the operator's request to use the i-th device is sent to the energy scheduling module, where NY i represents the energy consumption required by the i-th device, SJ i represents the usage time of the i-th device, ED i represents the rated energy consumption of the i-th device;

[0056] The energy scheduling module includes a scheduling request analysis unit, an energy scheduling calculation unit and an actual scheduling unit. The scheduling request analysis unit is used to detect whether the operator's request to use the i-th device is compliant. After confirming compliance, the optimal scheduling plan is calculated through the energy calculation function in the energy scheduling calculation unit, and the scheduling is performed through the actual scheduling unit. Specifically, the scheduling request analysis unit identifies the authority of the current operator and determines whether he has the authority to use the i-th device. If he does not have the authority, the request is rejected. If he has the authority to use, the instruction for the current operation of the i-th device is identified to determine whether the operation instruction exists in the oil platform. If not, the request is rejected. If he has the authority to use, the energy scheduling calculation unit is used to calculate the energy scheduling situation, and the scheduling is performed through the actual scheduling unit;

[0057] The energy dispatch calculation unit establishes the following model to calculate the optimal cost of the distribution of electricity and gas energy. The specific model is as follows:

[0058]

[0059] st

[0060] 0≤CCE i，t ≤CCE t

[0061] 0≤CCD i，t ≤CCD t

[0062] Among them, NY i represents the energy consumption required by the i-th device, CCE i，t represents the power allocated to the i-th device at the current moment, CCD i，t represents the gas energy allocated to the i-th device at the current moment, ρE i represents the power judgment function of the i-th device, ρD i represents the gas energy judgment function of the i-th device, ω1 and ω2 represent the distribution weights of the solution of the calculation expression, min represents the minimum function, CB i represents the energy consumption cost of the i-th device, CBE i，t represents the cost of the electric energy allocated to the i-th device at the current moment, CBD i，t represents the cost of gas energy allocated to the i-th device at the current moment, and st represents the constraint;

[0063] The expression of the electric energy judgment function of the i-th device is as follows:

[0064]

[0065] Among them, ρE i =0 means that the i-th device is not driven by electric energy, ρEi =ρe i Indicates that the i-th device is driven by electrical energy, and ρe i represents the power loss coefficient of the i-th device;

[0066] The gas energy judgment function expression of the i-th device is as follows:

[0067]

[0068] Among them, ρD i =ρd1 i Indicates that the i-th device is not driven by electricity, but is directly powered by gas, ρd1 i represents the gas energy loss coefficient of the i-th equipment, ρD i =ρe i *ρd1 i It indicates that the i-th device is driven by electric energy, and γ represents the power generation loss;

[0069] When the i-th device can only use electrical energy, the model expression is specifically:

[0070]

[0071] When the i-th device can only use gas energy, ω1=0, which is fully provided by gas energy. The specific model expression is:

[0072]

[0073] The establishment of this model can solve the optimal energy consumption model, obtain the optimal energy allocation weight, and perform scheduling and allocation based on the energy allocation weight, ensuring the economical utilization of energy on the oil platform, thereby reducing scheduling costs.

[0074] The safety detection module includes an energy reserve calculation unit and an equipment energy consumption anomaly detection unit. The energy reserve calculation unit is used to judge the energy scheduled by the energy scheduling module and the actually stored energy to avoid energy shortage. The equipment energy consumption anomaly detection unit is used to calculate the relationship between the actual amount of energy used by the equipment and the actual amount of energy output during the operator's use of the i-th equipment, and judge whether the i-th equipment is abnormal according to the calculation result;

[0075] The energy storage calculation unit in the safety detection module calculates the energy set CC stored at the current moment during the process of energy scheduling by the energy scheduling calculation unit in the energy scheduling module. t The total amount of energy in NY i ≥CCE t-1 +E t←t-1 +CCD t-1 +D t←t-1-∑ N\i NY,∑ N\i NY represents the total energy consumption of the devices in use except i at the current moment. If the energy is insufficient, the energy scheduling calculation unit will be terminated to perform energy calculation scheduling. If the energy is sufficient, it will not be terminated, and the device energy consumption anomaly detection unit will be called to calculate the energy consumption NY required by the i-th device. i The actual output energy consumption SJNY of the i-th device i The ratio between like Or if the temperature of the i-th device exceeds the temperature threshold, an alarm is issued, otherwise no action is taken.

[0076] The present invention also provides an oil platform energy management and control method, based on the above-mentioned oil platform energy management and control system, comprising the following steps:

[0077] S1. The energy collection and detection module collects energy from the oil platform, stores the total amount of energy collected separately, and sends it to the security detection module to update the actual stored energy;

[0078] S2. The operator records the estimated usage time of the i-th device when operating the i-th device, and sends the request of the i-th device to the energy scheduling module;

[0079] S3, the energy scheduling module detects whether the operator's request to use the i-th device is compliant. After confirming compliance, the energy calculation function in the energy scheduling calculation unit calculates the optimal scheduling plan and performs scheduling through the actual scheduling unit;

[0080] S4. During the scheduling process of the energy scheduling module, the safety detection module is used to judge the energy scheduled by the energy scheduling module and the actually stored energy to avoid energy shortage. At the same time, the relationship between the actual energy used by the device and the actual energy output when the operator uses the i-th device is calculated, and whether the i-th device has an abnormality is judged based on the calculation results.

[0081] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An oil platform energy management and control system, characterized by: It includes energy collection and monitoring module, energy usage data calculation module, energy scheduling module and safety detection module; The energy collection and detection module includes an electric energy collection unit, a solar energy collection unit and a fuel collection unit. The electric energy collection unit is used to collect and store the electric energy generated by the wind on the oil platform. The solar energy collection unit is used to collect the solar energy on the oil platform and convert it into electric energy for storage. The fuel collection unit is used to collect the gas energy collected by the oil platform. The energy collection and detection module also includes an energy monitoring unit, which is used to store the total amount of energy collected by the electric energy collection unit, the solar energy collection unit and the fuel collection unit respectively. The energy collection and detection module sends the stored data to the safety detection module; The energy usage data calculation module includes an energy usage recording unit and an energy usage calculation unit. The energy usage recording unit is used to record the estimated usage time of the i-th device when the operator is about to use the i-th device. The energy usage calculation unit calculates the energy required to be consumed when the i-th device is currently in use. The energy usage data calculation module sends the calculation result and the operator's request to use the i-th device to the energy scheduling module; The energy scheduling module includes a scheduling request analysis unit, an energy scheduling calculation unit and an actual scheduling unit. The scheduling request analysis unit is used to detect whether the operator's request to use the i-th device is compliant. After confirming compliance, the optimal scheduling plan is calculated through the energy calculation function in the energy scheduling calculation unit, and the scheduling is performed through the actual scheduling unit; The safety detection module includes an energy reserve calculation unit and an equipment energy consumption anomaly detection unit. The energy reserve calculation unit is used to judge the energy scheduled by the energy scheduling module and the actually stored energy to avoid energy shortage. The equipment energy consumption anomaly detection unit is used to calculate the relationship between the actual amount of energy used by the equipment and the actual amount of energy output when the operator uses the i-th equipment, and judge whether the i-th equipment has an abnormality based on the calculation result.

2. The oil platform energy management and control system according to claim 1, characterized in that: The expressions collected and stored by the electric energy collection unit, solar energy collection unit and fuel collection unit in the energy collection detection module are as follows: CC t 6{CCE t-1 +E t←t-1 ,CCD t-1 +D t←t-1 }} Among them, CC t Indicates the current storage energy set, CCE t-1 +E t←t-1 Represents the current energy update expression, CCD t-1 +D t←t-1 Represents the gas energy update expression at the current moment, CCE t-1 Indicates the stored electrical energy at the last moment, CCD t-1 Indicates the stored gas energy at the previous moment, E t←t-1 Indicates the energy increment from the previous moment to the current moment, D t←t-1 Indicates the gas energy increment from the previous moment to the current moment.

3. The oil platform energy management and control system according to claim 2 is characterized by: The energy usage calculation module uses the following expression to calculate energy usage: WHO i =SJ i *ED i Among them, NY i represents the energy consumption required by the i-th device, SJ i represents the usage time of the i-th device, ED i represents the rated energy consumption of the ith device.

4. The oil platform energy management and control system according to claim 3 is characterized by: The specific steps in the energy scheduling module are as follows: A1. Identify the authority of the current operator and determine whether he has the authority to use the i-th device. If he does not have the authority, the request is rejected. If he has the authority to use, execute step A2; A2. Identify the instruction for the current operation of the i-th device and determine whether the operation instruction exists in the oil platform. If not, reject the request. If there is permission to use it, perform energy calculation and scheduling through the energy scheduling calculation unit and perform scheduling through the actual scheduling unit.

5. The oil platform energy management and control system according to claim 4, characterized in that: The energy scheduling calculation unit performs calculations as follows: st 0≤CCE i,t ≤CCE t 0≤CCD i,t ≤CCD t Among them, NY i represents the energy consumption required by the i-th device, CCE i,t represents the power allocated to the i-th device at the current moment, CCD i,t represents the gas energy allocated to the i-th device at the current moment, ρE i represents the power judgment function of the i-th device, ρD i represents the gas energy judgment function of the i-th device, ω1 and ω2 represent the distribution weights of the solution of the calculation expression, min represents the minimum function, CB i represents the energy consumption cost of the i-th device, CBE i,t represents the cost of the electric energy allocated to the i-th device at the current moment, CBD i,t It represents the cost of gas energy allocated to the i-th device at the current moment, and st represents the constraint.

6. The oil platform energy management and control system according to claim 5, characterized in that: The electric energy judgment function expression of the i-th device is as follows: Among them, ρE i =0 means that the i-th device is not driven by electric energy, ρE i =ρe i Indicates that the i-th device is driven by electrical energy, and ρe i Represents the power loss coefficient of the i-th device.

7. The oil platform energy management and control system according to claim 6 is characterized by: The gas energy judgment function expression of the i-th device is as follows: Among them, ρD i =ρd1 i Indicates that the i-th device is not driven by electricity, but is directly powered by gas, ρd1 i represents the gas energy loss coefficient of the i-th equipment, ρD i =ρe i *ρd1 i It indicates that the i-th device is driven by electric energy, and γ represents the power generation loss.

8. The oil platform energy management and control system according to claim 4 is characterized by: The specific working process of the safety detection module is as follows: B1. The energy reserve calculation unit calculates the energy set CC stored at the current moment during the process of the scheduling request analysis unit executing step A2. t The total amount of energy in is judged, if the energy is insufficient, step A2 is terminated, if the energy is sufficient, A2 is not terminated, and the device energy consumption abnormality detection unit is called to execute step B2; B2. Calculate the energy consumption NY required by the i-th device i The actual output energy consumption SJNY of the i-th device i The ratio between like Or if the temperature of the i-th device exceeds the temperature threshold, an alarm is issued, otherwise no action is taken.

9. The oil platform energy management and control system according to claim 8, characterized in that: The judgment expression in step B1 is as follows: NY i ≥CCE t-1 +E t←t-1 +CCD t-1 +D t←t-1 -∑ N\i NY Among them, CCE t-1 Indicates the stored electrical energy at the last moment, CCD t-1 Indicates the stored gas energy at the previous moment, E t←t-1 Indicates the energy increment from the previous moment to the current moment, D t←t-1 Indicates the gas energy increment from the previous moment to the current moment, NY i represents the energy consumption required by the i-th device, ∑ N\i NY represents the total energy consumption of the devices in use except i at the current moment.

10. A method for energy management and control of an oil platform, based on an energy management and control system of an oil platform according to claims 1-9, characterized in that: The following steps are involved: S1. The energy collection and detection module collects energy from the oil platform, stores the total amount of energy collected separately, and sends it to the security detection module to update the actual stored energy; S2. The operator records the estimated usage time of the i-th device when operating the i-th device, and sends the request of the i-th device to the energy scheduling module; S3, the energy scheduling module detects whether the operator's request to use the i-th device is compliant. After confirming compliance, the energy calculation function in the energy scheduling calculation unit calculates the optimal scheduling plan and performs scheduling through the actual scheduling unit; S4. During the scheduling process of the energy scheduling module, the safety detection module is used to judge the energy scheduled by the energy scheduling module and the actually stored energy to avoid energy shortage. At the same time, the relationship between the actual energy used by the device and the actual energy output when the operator uses the i-th device is calculated, and whether the i-th device has an abnormality is judged based on the calculation results.

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