A distributed hydraulic power oil source comprehensive control management system

Abstract

The present application relates to a kind of distributed hydraulic power oil source integrated control management system, the system uses advanced control technology and network communication technology, through modular design, distributed control, intelligent management, remote monitoring operation strategy, integrates multiple independent hydraulic power oil source control system, red oil control system, blue oil control system, remote operation management system etc.The system is provided with several decentralized control terminals, is installed in each use equipment field nearby, accesses central management dispatching control system by decentralized control terminal, realizes the centralized monitoring and decentralized control to multiple hydraulic power oil sources, and each decentralized control terminal can also check the working condition of all hydraulic power oil sources and the demand condition of other control terminals.The system can automatically adjust the flow output of hydraulic power source according to the actual demand of each control terminal, avoid unnecessary energy waste, also can significantly improve the flexibility and work efficiency of use, reduce operating cost and maintenance difficulty.

Description

Technical Field

[0001] This invention relates to the field of hydraulic power oil source management technology, specifically a distributed hydraulic power oil source integrated control and management system. Background Technology

[0002] In testing facilities in fields such as automotive and aviation, there are numerous experimental devices that require hydraulic power, such as hydraulic cylinders and support cylinders. Currently, hydraulic power is generally provided by hydraulic pumps, which are typically located on-site to supply power to the experimental equipment.

[0003] However, existing hydraulic pumps are generally installed as servo devices next to experimental equipment for its use. Therefore, existing hydraulic pumps are typically distributed and located locally. This arrangement makes unified management of the hydraulic pumps inconvenient, and remote control is impossible, resulting in poor usability. Summary of the Invention

[0004] In view of this, the purpose of this invention is to provide a distributed hydraulic power oil source integrated control and management system to solve the problems of hydraulic pumps not being able to be managed uniformly and having poor ease of use in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] The present invention provides a distributed hydraulic power oil source integrated control and management system, comprising:

[0007] Multiple hydraulic pump stations are used to provide hydraulic power to equipment of a pre-specified type, wherein the hydraulic pump stations that provide hydraulic power to the same type of equipment have the same oil source;

[0008] Hydraulic pump controller, connected to the hydraulic pump station, used to control the hydraulic pump station;

[0009] The data acquisition unit is connected to the hydraulic pump station and is used to collect data on the oil temperature, liquid level, hydraulic pressure, motor operating status, and unloading valve status of the oil source.

[0010] The management terminal, connected to the data acquisition unit and multiple hydraulic pump controllers, is used to perform login management; control and switching management of multiple hydraulic pump stations based on the motor operating status and unloading valve status; start-up management of hydraulic pump stations; high-pressure establishment management of multiple hydraulic pump stations; parameter setting management of the data acquisition unit; remote disabling management of multiple hydraulic pump stations; alarm management of multiple hydraulic pump stations; access control; and control of multiple hydraulic pump stations based on usage requests.

[0011] The user terminal is connected to the management terminal and is used to make usage requests for multiple hydraulic pump stations based on permissions.

[0012] In one embodiment of this application, performing login management includes:

[0013] Obtain the authentication information of the logged-in user;

[0014] Verification is performed based on the login user's identity information. Upon successful verification, the main operation page is sent to the logged-in user. The main operation page includes a parameter display area, pump / motor start / stop buttons, unloading valve / oil valve start / stop buttons, operation switching buttons, and settings screen buttons. The parameter display area displays the pump station's oil temperature, liquid level, and hydraulic pressure. The pump / motor start / stop buttons are used to input a pump / motor start / stop command when touched for more than a preset time. The unloading valve / oil valve start / stop buttons are used to input an unloading valve / oil valve start / stop command when touched for more than a preset time. The operation switching buttons are used to input an operation switching command when touched.

[0015] In one embodiment of this application, the management terminal includes a remote management terminal and a local management terminal, wherein the control and switching management of multiple hydraulic pump stations based on the motor operating status and the unloading valve status includes:

[0016] When a switching command from remote operation mode to local operation mode is received from an external source, and both the motor running state and the unloading valve state are closed, the remote operation mode is directly switched to the local operation mode. In the remote operation mode, the hydraulic pump controller executes control commands from the remote management terminal or the user terminal. In the local operation mode, the hydraulic pump controller executes control commands from the local management terminal.

[0017] When receiving an external command to switch from remote operation mode to local operation mode, if the motor is running or the unloading valve is open, the remote management terminal or the user terminal will close the motor or the unloading valve to switch from remote operation mode to local operation mode; if the remote management terminal or the user terminal cannot close the motor or the unloading valve, the local management terminal will close the motor or the unloading valve to switch from remote operation mode to local operation mode.

[0018] In one embodiment of this application, the start-up management of a hydraulic pump station includes:

[0019] When the motor of any hydraulic pump station starts, within a unit time, the starting of motors and unloading valves in other hydraulic pump stations that have not yet started is prohibited, and the unloading valves in other hydraulic pump stations that have already started are closed.

[0020] In one embodiment of this application, high-pressure establishment management is performed on multiple hydraulic pump stations, including:

[0021] Obtain the traffic requirements that need to be established;

[0022] The number of oil pumps to be turned on and the output flow of each group of oil pumps are determined based on the flow requirements, wherein the hydraulic pump station includes oil pumps.

[0023] High-pressure output is established based on the number of oil pumps turned on and the output flow rate of each group of oil pumps.

[0024] In one embodiment of this application, parameter setting management of the data acquisition unit includes:

[0025] When the settings screen button is activated, a secondary page is displayed to the logged-in user, which includes a parameter correction box and a remote disable button.

[0026] When a correction value is received in the parameter correction box, the corresponding parameter is corrected to the correction value, wherein the parameters include oil temperature, liquid level, and hydraulic pressure.

[0027] In one embodiment of this application, remote disabling management of multiple hydraulic pump stations includes:

[0028] When the remote disable button is activated, the remote control function of the corresponding oil pump is disabled;

[0029] When any oil pump experiences a Type I fault, the remote control function of the corresponding oil pump is disabled; when any hydraulic pump station experiences a Type II fault, the remote control function of all hydraulic pump stations is disabled. Type I faults include abnormal contactor engagement and abnormal motor thermistor operation. Type II faults include emergency stop function triggering, incorrect input phase sequence, oil temperature exceeding the upper limit alarm value, oil temperature falling below the lower limit alarm value, oil level exceeding the upper limit alarm value, oil level falling below the lower limit alarm value, oil leakage monitoring alarm, oil pressure exceeding the upper limit alarm value, and oil pressure falling below the minimum working pressure after a unit of time of startup.

[0030] In one embodiment of this application, alarm management is performed on multiple hydraulic pump stations, including:

[0031] Obtain the upper and lower alarm values ​​for oil temperature, oil pressure, and oil level;

[0032] The oil temperature of the hydraulic pump station is compared with the upper limit alarm value and the lower limit alarm value of the oil temperature; the oil pressure of the hydraulic pump station is compared with the upper limit alarm value and the lower limit alarm value of the oil pressure; and the oil level of the hydraulic pump station is compared with the upper limit alarm value and the lower limit alarm value of the oil level.

[0033] When the oil temperature of the hydraulic pump station exceeds the upper limit alarm value, a high oil temperature alarm is triggered.

[0034] When the oil temperature of the hydraulic pump station is lower than the lower limit alarm value of the oil temperature, a low oil temperature alarm is triggered.

[0035] When the oil pressure of the hydraulic pump station exceeds the upper limit alarm value, a high oil pressure alarm is triggered.

[0036] When the oil pressure of the hydraulic pump station is lower than the upper limit alarm value, a low oil pressure alarm is triggered.

[0037] When the oil level in the hydraulic pump station exceeds the upper limit alarm value, a high oil level alarm is triggered.

[0038] When the oil level in the hydraulic pump station is lower than the upper limit alarm value, a low oil level alarm is triggered.

[0039] In one embodiment of this application, the permission management process includes:

[0040] Activate multiple online clients;

[0041] Assign hydraulic pump station request permissions to each active user terminal.

[0042] In one embodiment of this application, the usage request includes a target pump station, a requested flow rate, and a request mode, wherein controlling multiple hydraulic pump stations based on the usage request includes:

[0043] Obtain the current remaining available flow rate and the fault information of the hydraulic pump station, wherein the current remaining available flow rate is determined based on the oil level of the oil source corresponding to the target pump station;

[0044] When there is no fault information at the target pumping station and the current remaining available flow is greater than the requested flow, the target pumping station is controlled according to the request mode. The request mode includes an automatic mode and a debugging mode. In the automatic mode, other users are prohibited from selecting the request mode; in the debugging mode, other users are prohibited from selecting the request mode and requesting flow.

[0045] The beneficial effects of this invention are as follows: This invention provides a distributed hydraulic power source integrated control and management system, comprising multiple hydraulic pump stations, a hydraulic pump controller, a data acquisition unit, a management terminal, and a user terminal. This application centralizes multiple hydraulic pump stations, with hydraulic pump stations for the same purpose using the same oil source for driving. This application integrates login management, control switching management, startup management, high-pressure establishment management, parameter setting management, remote disabling management, alarm management, access control, and hydraulic pump station control into one system, enabling more convenient and efficient scheduling and management of hydraulic pump stations. Attached Figure Description

[0046] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0047] Figure 1 This is a schematic diagram of the structure of a distributed hydraulic power oil source integrated control and management system shown in one embodiment of this application;

[0048] Figure 2 This is the network topology diagram for this application;

[0049] Figure 3 A schematic diagram of the main operation page of a 500L standard pump station in one embodiment of this application;

[0050] Figure 4 A schematic diagram of the main operation page of the red and blue oil pump station in one embodiment of this application;

[0051] Figure 5 This is a schematic diagram of the secondary page of the 500L standard pump station in this application;

[0052] Figure 6 This is a schematic diagram of the secondary page of the red and blue oil pump in this application;

[0053] Figure 7 This is a schematic diagram of the alarm parameter page for the 500L standard pump station in this application. Detailed Implementation

[0054] The following specific examples illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, unless otherwise specified, the following embodiments and features described therein can be combined with each other.

[0055] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. Therefore, the figures only show the layers related to the present invention and are not drawn according to the actual number, shape and size of the layers in the actual implementation. In the actual implementation, the form, number and proportion of each layer can be arbitrarily changed, and the layer layout may also be more complex.

[0056] Numerous details are explored in the following description to provide a more thorough explanation of embodiments of the invention; however, it will be apparent to those skilled in the art that embodiments of the invention may be practiced without these specific details.

[0057] Figure 1 This is a schematic diagram of the structure of a distributed hydraulic power oil source integrated control and management system shown in one embodiment of this application, as follows: Figure 1 As shown: This embodiment of a distributed hydraulic power oil source integrated control and management system includes:

[0058] Multiple hydraulic pump stations are used to provide hydraulic power to equipment of a pre-specified type, wherein the hydraulic pump stations that provide hydraulic power to the same type of equipment have the same oil source;

[0059] Hydraulic pump controller, connected to the hydraulic pump station, used to control the hydraulic pump station;

[0060] The data acquisition unit is connected to the hydraulic pump station and is used to collect data on the oil temperature, liquid level, hydraulic pressure, motor operating status, and unloading valve status of the oil source.

[0061] The management terminal, connected to the data acquisition unit and multiple hydraulic pump controllers, is used to perform login management; control and switching management of multiple hydraulic pump stations based on the motor operating status and unloading valve status; start-up management of hydraulic pump stations; high-pressure establishment management of multiple hydraulic pump stations; parameter setting management of the data acquisition unit; remote disabling management of multiple hydraulic pump stations; alarm management of multiple hydraulic pump stations; access control; and control of multiple hydraulic pump stations based on usage requests.

[0062] The user terminal is connected to the management terminal and is used to make usage requests for multiple hydraulic pump stations based on permissions.

[0063] Specifically, the hydraulic system includes three 500L pump stations, one red oil pump station, and one blue oil pump station. The red and blue oil pump stations are used for performing aviation experiments. The three 500L pump stations use the same oil source, the red oil pump station uses a red oil source, and the blue oil pump station uses a blue oil source.

[0064] Each 500L pump station is managed and controlled by one PLC and one HMI, which act as hydraulic pump controllers. The red oil pump station and the blue oil pump station are jointly managed and controlled by one PLC and one HMI, which act as hydraulic pump controllers. In addition, there is one management PLC as a local management terminal and one remote tablet as a remote management terminal to manage and control the motors of each pump station in the hydraulic system.

[0065] Each underlying pump station has relatively independent functions and supports both local and remote control.

[0066] In this application, the 500L standard pump station consists of hardware including 5 motors, 5 partial unloading valves, 1 main unloading valve, 2 temperature valves, 1 liquid level valve, 1 hydraulic valve, 3 blockage valves, and 1 set of PLC+HMI.

[0067] The red oil pump station includes one motor, one unloading valve, one temperature sensor, one level sensor, one hydraulic sensor, and one blockage switch. The blue oil pump station also includes one motor, one unloading valve, one temperature sensor, one level sensor, one hydraulic sensor, and one blockage switch. The red and blue oil pump stations share one PLC+HMI.

[0068] Figure 2 The network topology diagram for this application is as follows: Figure 2 As shown in this application, the various controllers and control panels of the hydraulic system are interconnected through a network switch.

[0069] In this application, local management of multiple hydraulic pump stations is achieved using a local tablet mounted on the control cabinet. After the pump station is powered on, the touchscreen initializes and displays the login interface. The login management process based on this interface is as follows:

[0070] (1) Login Management

[0071] In one embodiment of this application, performing login management includes:

[0072] Obtain the identity verification information of the logged-in user; the identity verification information may include account password information, fingerprint, etc.

[0073] Verification is performed based on the login user's identity information. Upon successful verification, the main operation page is sent to the logged-in user. The main operation page includes a parameter display area, pump / motor start / stop buttons, unloading valve / oil valve start / stop buttons, operation switching buttons, and settings screen buttons. The parameter display area displays the pump station's oil temperature, liquid level, and hydraulic pressure. The pump / motor start / stop buttons are used to input a pump / motor start / stop command when touched for more than a preset time. The unloading valve / oil valve start / stop buttons are used to input an unloading valve / oil valve start / stop command when touched for more than a preset time. The operation switching buttons are used to input an operation switching command when touched.

[0074] In this application, after logging in, the main operation page is sent to the logged-in user.

[0075] Figure 3 A schematic diagram of the main operation page of a 500L standard pump station in one embodiment of this application is shown below. Figure 3 As shown, after logging into the 500L standard pump station, the main operation screen includes: real-time oil pressure display, real-time oil level display, real-time oil temperature display, running time display, motor start / stop button, motor start status, unloading valve switch control, system working status prompt bar, alarm clearing button, settings screen button, remote & local switching button, and other functions.

[0076] Figure 4A schematic diagram of the main operation page of the red and blue oil pump station in one embodiment of this application is shown below. Figure 4 As shown, after logging into the red and blue oil pump station, the main operation screen includes: red oil pressure (MPa), red oil level (mm), red oil temperature (°C), red oil pump start / stop button, red oil pump start status, red oil valve switch control, blue oil pressure (MPa), blue oil level (mm), blue oil temperature (°C), blue oil pump start / stop button, blue oil pump start status, blue oil valve switch control, system working status prompt bar, clear alarm button, settings screen button, remote & local switch button, and other functions.

[0077] (2) Control switching management

[0078] In one embodiment of this application, the management terminal includes a remote management terminal and a local management terminal, wherein the control and switching management of multiple hydraulic pump stations based on the motor operating status and the unloading valve status includes:

[0079] When a switching command from remote operation mode to local operation mode is received from an external source, and both the motor running state and the unloading valve state are closed, the remote operation mode is directly switched to the local operation mode. In the remote operation mode, the hydraulic pump controller executes control commands from the remote management terminal or the user terminal. In the local operation mode, the hydraulic pump controller executes control commands from the local management terminal.

[0080] When receiving an external command to switch from remote operation mode to local operation mode, if the motor is running or the unloading valve is open, the remote management terminal or the user terminal will close the motor or the unloading valve to switch from remote operation mode to local operation mode; if the remote management terminal or the user terminal cannot close the motor or the unloading valve, the local management terminal will close the motor or the unloading valve to switch from remote operation mode to local operation mode.

[0081] In this embodiment, if the operator needs to perform local operation, they need to click the "Remote Operation" button on the motor's main operation page to switch to "Local Operation" mode. If the pump station has the motor, unloading valve, red / blue oil pump, or red / blue oil valve turned on in remote mode, all motors, unloading valves, red / blue oil pumps, and red / blue oil valves must be turned off remotely before local operation can be switched.

[0082] If the motor, unloading valve, or red / blue oil pump is remotely started, or if the red / blue oil valve experiences a network outage and cannot be remotely shut down, you can press the emergency stop button on the cabinet to shut down the motor, unloading valve, or red / blue oil pump or valve, and then switch to "local operation" mode. Alarm warnings will not automatically stop the started motor or unloading valve, while error faults will automatically stop the corresponding starting motor or unloading valve.

[0083] This application also includes a mechanism to prevent misoperation, which requires pressing and holding the button for more than 1 second to start or stop the motor, unloading valve, red and blue oil pump, or red and blue oil valve.

[0084] (3) Startup Management

[0085] In one embodiment of this application, the start-up management of a hydraulic pump station includes:

[0086] When the motor of any hydraulic pump station starts, within a unit time, the starting of motors and unloading valves in other hydraulic pump stations that have not yet started is prohibited, and the unloading valves in other hydraulic pump stations that have already started are closed.

[0087] When starting any motor in a 500L standard pump station, due to the high-power motor's star-delta reduced-voltage starting protection, other unstarted motors and their corresponding unloading valves are prohibited from starting within 6 seconds of startup. If the unloading valve is open, it will automatically close. If the corresponding unloading valve is opened or another motor is started within 6 seconds, the program will issue an "Alarm 135: This operation is prohibited because the startup interval is less than 6 seconds." message.

[0088] Similarly, for the red and blue oil pumps, there is a 6-second lock-up function after startup (star-delta reduced voltage start protection for high-power motors). Within 6 seconds of startup, the corresponding red and blue oil valves are prohibited from opening. If a red or blue oil valve is already open, it will automatically close. If the corresponding red or blue oil valve is opened within 6 seconds, the program will display the message "Alarm 135: This operation is prohibited due to insufficient startup interval (less than 6 seconds)."

[0089] (4) High-voltage establishment management

[0090] In one embodiment of this application, high-pressure establishment management is performed on multiple hydraulic pump stations, including:

[0091] Obtain the traffic requirements that need to be established;

[0092] The number of oil pumps to be turned on and the output flow of each group of oil pumps are determined based on the flow requirements, wherein the hydraulic pump station includes oil pumps.

[0093] High-pressure output is established based on the number of oil pumps turned on and the output flow rate of each group of oil pumps.

[0094] This application includes three 500L standard pump stations; therefore, high pressure can be established using these three 500L standard pump stations. Establishing high pressure requires determining the number of oil pump motors to be activated based on actual flow requirements. For example, if each set of oil pump motors corresponds to an output flow of 100L, the main unloading valve can be opened to establish high pressure.

[0095] (5) Parameter setting management

[0096] In one embodiment of this application, parameter setting management of the data acquisition unit includes:

[0097] When the settings screen button is activated, a secondary page is displayed to the logged-in user, which includes a parameter correction box and a remote disable button.

[0098] When a correction value is received in the parameter correction box, the corresponding parameter is corrected to the correction value, wherein the parameters include oil temperature, liquid level, and hydraulic pressure.

[0099] This application allows users to access the "Parameter Settings" subpage by clicking the "Settings Screen" button on the main operation screen. Figure 5 This is a schematic diagram of the secondary page of the 500L standard pump station in this application, as shown below. Figure 5 As shown, the parameter settings include: "Oil pressure correction MPa", "Oil level correction mm", and "Oil temperature correction ℃". The "Operating oil temperature ℃" and "Automatic oil cooling" functions are used together. After the automatic oil cooling function is turned on, the system automatically adjusts the water cooling valve to adjust the pump station oil temperature to the set "Operating oil temperature". Figure 6 This is a schematic diagram of the secondary page of the red and blue oil pump in this application, as shown below. Figure 6 As shown, the parameter settings include: "Red oil pressure correction MPa", "Red oil level correction mm", "Red oil temperature correction ℃", "Blue oil pressure correction MPa", "Blue oil level correction mm", "Blue oil temperature correction ℃", "Red oil leakage drop level mm", "Red oil initial level mm", "Blue oil leakage drop level mm", and "Blue oil initial level mm".

[0100] This application uses parameter setting management to calibrate sensor data. If there are errors in the test, adjustments can be made through parameter setting management.

[0101] (6) Remote Disabling Management

[0102] In one embodiment of this application, remote disabling management of multiple hydraulic pump stations includes:

[0103] When the remote disable button is activated, the remote control function of the corresponding oil pump is disabled;

[0104] When any oil pump experiences a Type I fault, the remote control function of the corresponding oil pump is disabled; when any hydraulic pump station experiences a Type II fault, the remote control function of all hydraulic pump stations is disabled. Type I faults include abnormal contactor engagement and abnormal motor thermistor operation. Type II faults include emergency stop function triggering, incorrect input phase sequence, oil temperature exceeding the upper limit alarm value, oil temperature falling below the lower limit alarm value, oil level exceeding the upper limit alarm value, oil level falling below the lower limit alarm value, oil leakage monitoring alarm, oil pressure exceeding the upper limit alarm value, and oil pressure falling below the minimum working pressure after a unit of time of startup.

[0105] In the secondary page of the 500L standard pump station or the red and blue oil pump, there is a remote disable button. When the remote disable button is activated, remote control is not supported.

[0106] In addition, this application will also monitor each pump station. When a pump group is found to have a fault (such as abnormal contactor engagement or abnormal motor thermistor), the pump group will be automatically set to be remotely disabled. When a fault occurs in the system of a pump station (such as emergency stop being pressed, incorrect incoming phase sequence, oil temperature higher than the upper limit alarm value of 60℃, oil temperature lower than the lower limit alarm value of 0℃, oil level higher than the upper limit alarm value of 800mm, oil level lower than the lower limit alarm value of 400mm, oil leakage monitoring alarm (oil level drops beyond the set value), oil pressure higher than the upper limit alarm value of 23MPa, oil pressure lower than the minimum working pressure of 1MPa after 4 minutes of startup), all 5 pump groups of the pump station will be automatically set to be remotely disabled.

[0107] The remote disable function can be used when hydraulic oil is needed during pump set maintenance. In this case, the faulty pump set can be remotely disabled, while other normal pump sets can remain remotely available.

[0108] (6) Alarm Management

[0109] In one embodiment of this application, alarm management is performed on multiple hydraulic pump stations, including:

[0110] Obtain the upper and lower alarm values ​​for oil temperature, oil pressure, and oil level;

[0111] The oil temperature of the hydraulic pump station is compared with the upper limit alarm value and the lower limit alarm value of the oil temperature; the oil pressure of the hydraulic pump station is compared with the upper limit alarm value and the lower limit alarm value of the oil pressure; and the oil level of the hydraulic pump station is compared with the upper limit alarm value and the lower limit alarm value of the oil level.

[0112] When the oil temperature of the hydraulic pump station exceeds the upper limit alarm value, a high oil temperature alarm is triggered.

[0113] When the oil temperature of the hydraulic pump station is lower than the lower limit alarm value of the oil temperature, a low oil temperature alarm is triggered.

[0114] When the oil pressure of the hydraulic pump station exceeds the upper limit alarm value, a high oil pressure alarm is triggered.

[0115] When the oil pressure of the hydraulic pump station is lower than the upper limit alarm value, a low oil pressure alarm is triggered.

[0116] When the oil level in the hydraulic pump station exceeds the upper limit alarm value, a high oil level alarm is triggered.

[0117] When the oil level in the hydraulic pump station is lower than the upper limit alarm value, a low oil level alarm is triggered.

[0118] The alarm function in this application can be turned on or off. When turned on, the alarm enable, oil pressure alarm enable, oil level alarm enable, oil temperature alarm enable, and blockage alarm enable are activated. The alarm enable is mainly used to turn off some alarms during the commissioning process to run the pump station to troubleshoot and verify. During normal use, all alarm enable functions need to be turned on.

[0119] The alarm principle of this application is to set upper and lower limits for the alarm and compare them with the detected values ​​in real time. An alarm is triggered when the values ​​exceed the limits. Figure 7 This is a schematic diagram of the alarm parameter page for the 500L standard pump station in this application, as shown below. Figure 7 As shown, in addition to the alarm types mentioned above, for a 500L standard pump station, this application also sets a low temperature protection value for the oil pump. When the oil temperature is lower than the low temperature protection value of the oil pump, the low temperature protection is triggered. This application also sets an oil leakage drop level and an initial oil level. The initial oil level and the oil level value are used to calculate the drop level, and the drop level is compared with the oil leakage drop level, thereby realizing an oil leakage alarm.

[0120] (7) Access Control

[0121] In one embodiment of this application, the permission management process includes:

[0122] Activate multiple online clients;

[0123] Assign hydraulic pump station request permissions to each active user terminal.

[0124] The local or remote management terminal in this application can manage the access permissions of hydraulic oil and red and blue oil for four user-end touch tablets. This mainly includes the status display of each tablet and the access management of each tablet, such as: the online status, tablet activation status, hydraulic activation status, hydraulic flow request status, hydraulic debugging mode, red oil activation status, red oil request status, blue oil activation status, and red oil request status of the four user-end touch tablets.

[0125] The active state indicates that the user has the authority to request the corresponding hydraulic oil.

[0126] Access control includes:

[0127] "Activate 1#TPC" --- Activate the 1#TPC touch panel. Once activated, the corresponding "Hydraulic Activation?", "Red Oil Activation?", and "Blue Oil Activation?" buttons will automatically highlight and become available. "Activate 2#TPC", "Activate 3#TPC", and "Activate 4#TPC" have the same function.

[0128] "Hydraulic activation?" --- This button is only available after the corresponding TPC tablet is activated. If the hydraulic system of TPC 1 is activated and there is a hydraulic flow request on TPC 1, the "Hydraulic activation?" button in the TPC 1 control area of ​​the management terminal will be disabled. When there is no flow request on the activated TPC 1, the "Hydraulic activation?" button in the TPC 1 control area of ​​the management terminal will automatically be highlighted and available again.

[0129] "Red oil activation" is similar to "hydraulic activation".

[0130] "Hydraulic activation" is similar to "hydraulic activation".

[0131] (8) Pump station control

[0132] In one embodiment of this application, the usage request includes a target pump station, a requested flow rate, and a request mode, wherein controlling multiple hydraulic pump stations based on the usage request includes:

[0133] Obtain the current remaining available flow rate and the fault information of the hydraulic pump station, wherein the current remaining available flow rate is determined based on the oil level of the oil source corresponding to the target pump station;

[0134] When there is no fault information at the target pumping station and the current remaining available flow is greater than the requested flow, the target pumping station is controlled according to the request mode. The request mode includes an automatic mode and a debugging mode. In the automatic mode, other users are prohibited from selecting the request mode; in the debugging mode, other users are prohibited from selecting the request mode and requesting flow.

[0135] Taking a 500L standard pump station as an example, the requested information includes hydraulic mode selection and set flow rate (minimum unit 100L). The request can only be made after the management terminal tablet has activated the hydraulic control function of the user terminal tablet.

[0136] Hydraulic modes include automatic mode and debugging mode. Debugging mode is an exclusive function. When one user tablet is in debugging mode, the hydraulic mode selection function and flow request function of other tablets will be disabled. The hydraulic mode selection of other tablets will only be activated after the user tablet exits debugging mode. In addition, when one user tablet has a flow requirement in automatic mode, the hydraulic mode selection function of other tablets will also be disabled, but other tablets can still execute the flow requirement in this case.

[0137] The set traffic limit for each user tablet will automatically change according to the amount of available traffic. The system constantly compares the requested traffic and the enabled traffic of each user tablet. When they are not equal, the matching pump group will be automatically turned on or off. The order of pump group start-up and shutdown will be automatically adjusted according to the running time of the pump group.

[0138] Red oil request function---This function is available when the management tablet activates the red oil control function of the user tablet. The red oil pump station is started when any user tablet makes a red oil request, and is turned off when all user tablets have no red oil requests.

[0139] Blue ink request function---This function is available when the management tablet activates the blue ink control function of the user tablet. When any user tablet makes a blue ink request, the blue ink pump station is started. The blue ink pump station is only turned off when all user tablets have no blue ink requests.

[0140] In addition, the user-end tablet can also display information, including hydraulic control status, total required flow rate, used flow rate, available flow rate, hydraulic pressure, hydraulic temperature, audible prompts, and fault indications. When a user-end tablet sends its set flow rate requirement, the management system sends the required start / stop pump units to each 500L hydraulic pump station in one go, while simultaneously providing hydraulic control instructions. During hydraulic control, the program automatically prevents user-end tablets from inputting changes to the flow rate requirement. The audible prompt button can be used to turn off the audible alarm on the user-end tablet; under normal circumstances, the audible alarm function should be kept on continuously.

[0141] Fault indication: In addition to the fault indications of the three 500L hydraulic pump stations and the red and blue oil pump stations, this fault indication also includes a warning reminder when the total hydraulic demand exceeds the maximum supply capacity of the remotely available hydraulic pump station.

[0142] This invention discloses a distributed hydraulic power source integrated control and management system, comprising multiple hydraulic pump stations, a hydraulic pump controller, a data acquisition unit, a management terminal, and a user terminal. This application centralizes multiple hydraulic pump stations, with pumps serving the same purpose using the same oil source for operation. This application integrates login management, control switching management, startup management, high-pressure establishment management, parameter setting management, remote disabling management, alarm management, access control, and hydraulic pump station control into a single system, enabling more convenient and efficient scheduling and management of hydraulic pump stations.

[0143] This embodiment also provides a computer-readable storage medium storing a computer program thereon, which, when executed by a processor, implements any one of the methods in this embodiment, wherein the method is the execution logic of this system.

[0144] This embodiment also provides an electronic terminal, including: a processor and a memory;

[0145] The memory is used to store computer programs, and the processor is used to execute the computer programs stored in the memory so that the terminal performs any of the methods in this embodiment.

[0146] As will be understood by those skilled in the art, the computer-readable storage medium described in this embodiment allows for the implementation of all or part of the steps in the above method embodiments by computer program-related hardware. The aforementioned computer program can be stored in a computer-readable storage medium. When executed, the program performs the steps of the above method embodiments; and the aforementioned storage medium includes various media capable of storing program code, such as ROM, RAM, magnetic disks, or optical disks.

[0147] The electronic terminal provided in this embodiment includes a processor, a memory, a transceiver, and a communication interface. The memory and the communication interface are connected to the processor and the transceiver and complete communication between them. The memory is used to store computer programs, the communication interface is used to perform communication, and the processor and the transceiver are used to run the computer programs, so that the electronic terminal performs the steps of the above method.

[0148] In this embodiment, the memory may include random access memory (RAM) and may also include non-volatile memory, such as at least one disk storage device.

[0149] The processors mentioned above can be general-purpose processors, including central processing units (CPUs), network processors (NPs), etc.; they can also be digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components.

[0150] In the above embodiments, although the invention has been described in conjunction with specific embodiments thereof, many substitutions, modifications, and variations of these embodiments will be apparent to those skilled in the art from the foregoing description. The embodiments of the invention are intended to cover all such substitutions, modifications, and variations falling within the broad scope of the appended claims.

[0151] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. A distributed hydraulic power oil source integrated control management system, characterized by, include: Multiple hydraulic pump stations are used to provide hydraulic power to equipment of a pre-specified type, wherein the hydraulic pump stations that provide hydraulic power to the same type of equipment have the same oil source; Hydraulic pump controller, connected to the hydraulic pump station, used to control the hydraulic pump station; The data acquisition unit is connected to the hydraulic pump station and is used to collect the oil temperature, liquid level, hydraulic pressure, motor operating status and unloading valve status of the oil source. The management terminal, connected to the data acquisition unit and multiple hydraulic pump controllers, is used to perform login management; control and switch management of multiple hydraulic pump stations based on the motor operating status and unloading valve status; start-up management of hydraulic pump stations; high-pressure establishment management of multiple hydraulic pump stations; parameter setting management of the data acquisition unit; remote disabling management of multiple hydraulic pump stations; alarm management of multiple hydraulic pump stations; access control; and control of multiple hydraulic pump stations based on usage requests; and to perform login management, including: obtaining the authentication information of the logged-in user; based on... The login user's identity information is verified. Upon successful verification, the main operation page is sent to the logged-in user. This main operation page includes a parameter display area, pump / motor start / stop buttons, unloading valve / oil valve start / stop buttons, operation switching buttons, and a settings screen button. The parameter display area displays the pump station's oil temperature, liquid level, and hydraulic pressure. The pump / motor start / stop buttons are used to input a pump / motor start / stop command when touched for a preset time. The unloading valve / oil valve start / stop buttons are used to input an unloading valve / oil valve start / stop command when touched for a preset time. The system includes a toggle button for inputting operation switching commands when touched; parameter setting management for the data acquisition unit, including: when the setting screen button is activated, outputting a secondary page to the logged-in user, wherein the secondary page includes a parameter correction box and a remote disable button; when a correction value is received in the parameter correction box, correcting the corresponding parameter to the correction value, wherein the parameters include oil temperature, liquid level, and hydraulic pressure; and remote disable management for multiple hydraulic pump stations, including: when the remote disable button is activated, disabling the remote control function of the corresponding oil pump; disabling the remote control function of the corresponding oil pump when any oil pump experiences a first-type fault; and disabling the remote control function of all hydraulic pump stations when any hydraulic pump station experiences a second-type fault, wherein the first-type fault includes abnormal contactor engagement and abnormal motor thermistor; and the second-type fault includes emergency stop function triggering, incorrect input phase sequence, oil temperature exceeding the upper limit alarm value, oil temperature below the lower limit alarm value, oil level exceeding the upper limit alarm value, oil level below the lower limit alarm value, oil leakage monitoring alarm, oil pressure exceeding the upper limit alarm value, and oil pressure below the minimum working pressure after a unit time of startup. The user terminal is connected to the management terminal and is used to make usage requests for multiple hydraulic pump stations based on permissions.

2. The integrated control management system for distributed hydraulic power sources according to claim 1, characterized by The management terminal includes a remote management terminal and a local management terminal. It manages the switching and control of multiple hydraulic pump stations based on the motor operating status and the unloading valve status, including: When receiving an operation switching instruction from outside for switching from a remote operation mode to a local operation mode, and the motor running state and the unloading valve state are both in a closed state, directly switching the remote operation mode to the local operation mode, wherein, in the remote operation mode, the hydraulic pump controller executes a control instruction from the remote management end or the use end, and in the local operation mode, the hydraulic pump controller executes a control instruction from the local management end; When receiving an operation switching instruction from outside for switching from a remote operation mode to a local operation mode, and the motor running state or the unloading valve state is in an open state, after the remote management end or the use end closes the motor or the unloading valve, switching the remote operation mode to the local operation mode; when the remote management end or the use end cannot close the motor or the unloading valve, after the local management end closes the motor or the unloading valve, switching the remote operation mode to the local operation mode.

3. The integrated control management system for distributed hydraulic power sources according to claim 1, characterized by The starting management of the hydraulic pump station includes: When the motor of any one hydraulic pump station starts, in a unit time, the starting of the motors and the unloading valves of other hydraulic pump stations that have not started is prohibited, and the unloading valves of other hydraulic pump stations that have started are closed.

4. The integrated control management system for distributed hydraulic power sources according to claim 1, characterized by The high pressure establishment management of the multiple hydraulic pump stations includes: Obtaining a flow demand to be established; Based on the flow demand, determining the number of oil pumps to be turned on and the output flow of each group of oil pumps, wherein the hydraulic pump station includes oil pumps; Based on the number of oil pumps to be turned on and the output flow of each group of oil pumps, establishing a high pressure output.

5. The integrated control management system for distributed hydraulic power sources according to claim 1, wherein The alarm management of the multiple hydraulic pump stations includes: Obtaining upper and lower alarm values of oil temperature, upper and lower alarm values of oil pressure, and upper and lower alarm values of oil level; Comparing the oil temperature of the hydraulic pump station with the upper and lower alarm values of the oil temperature, comparing the oil pressure of the hydraulic pump station with the upper and lower alarm values of the oil pressure, and comparing the oil level of the hydraulic pump station with the upper and lower alarm values of the oil level; When the oil temperature of the hydraulic pump station is greater than the upper alarm value of the oil temperature, performing high temperature oil temperature alarm; When the oil temperature of the hydraulic pump station is less than the lower alarm value of the oil temperature, performing low temperature oil temperature alarm; When the oil pressure of the hydraulic pump station is greater than the upper alarm value of the oil pressure, performing high pressure oil pressure alarm; When the oil pressure of the hydraulic pump station is less than the upper alarm value of the oil pressure, performing low pressure oil pressure alarm; When the oil level of the hydraulic pump station is greater than the upper alarm value of the oil level, performing high oil level alarm; When the oil level of the hydraulic pump station is less than the upper alarm value of the oil level, performing low oil level alarm.

6. The integrated control management system for distributed hydraulic power sources according to claim 1, wherein The process of the permission management includes: Activating multiple online use ends; Assigning a request permission of a hydraulic pump station to each activated use end.

7. The integrated control management system for distributed hydraulic power sources according to claim 1, characterized by, The use request includes a target pump station, a request flow, and a request mode, wherein, based on the use request, the multiple hydraulic pump stations are controlled, including: acquire current residual available flow and fault information of the hydraulic pump station, wherein the current residual available flow is determined based on an oil level of an oil source corresponding to the target pump station; when the target pump station has no fault information and the current residual available flow is greater than the requested flow, control the target pump station according to the requested mode, wherein the requested mode includes an automatic mode and a debugging mode, in the automatic mode, other use ends are prohibited from selecting the requested mode; in the debugging mode, other use ends are prohibited from selecting the requested mode and the requested flow.

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