Distributed hydraulic power oil source comprehensive control management system

Abstract

The invention relates to a distributed hydraulic power oil source comprehensive control management system, which adopts an advanced control technology and a network communication technology, and adopts modular design, distributed control, intelligent management and remote monitoring operation strategies. A plurality of sets of independent hydraulic power oil source control systems, red oil control systems, blue oil control systems, remote operation management systems and the like are integrated. The system is provided with a plurality of decentralized control terminals which are installed on each using equipment site nearby, and the central management scheduling control system is accessed through the decentralized control terminals, so that centralized monitoring and decentralized control of various hydraulic power oil sources are realized; and all the distributed control terminals can also check the working states of all the hydraulic power oil sources and the demand conditions of other control terminals. According to the system, the flow output of the hydraulic power source can be automatically adjusted according to the actual requirements of all the control terminals, unnecessary energy waste is avoided, the use flexibility and the working efficiency can be remarkably improved, and the operation cost and the maintenance difficulty are reduced.

Description

Technical Field

[0001] The invention relates to the technical field of hydraulic power oil source management, in particular to a distributed hydraulic power oil source comprehensive control and management system. Background Art

[0002] In the test sites of automobile, aviation and other fields, there are a large number of experimental equipment that require hydraulic power, such as power cylinders, support cylinders, etc. The existing hydraulic power is generally provided by hydraulic pumps, which are generally set up on site to provide to the experimental equipment.

[0003] However, the existing hydraulic pumps are generally installed as servo equipment next to the experimental equipment for use by the experimental equipment. Therefore, the existing hydraulic pumps are generally installed in a decentralized manner and are installed locally. This arrangement is not convenient for unified management of the hydraulic pumps, nor can the hydraulic pumps be remotely controlled, and the convenience of use is poor. Summary of the invention

[0004] In view of this, the purpose of the present invention is to provide a distributed hydraulic power oil source integrated control management system to solve the problem in the prior art that hydraulic pumps cannot be managed uniformly and are less convenient to use.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A distributed hydraulic power oil source integrated control and management system of the present invention comprises:

[0007] A plurality of hydraulic pump stations for providing hydraulic power to equipment of a pre-specified type, wherein the hydraulic pump stations providing hydraulic power to equipment of the same type have the same oil source;

[0008] A hydraulic pump controller, connected to the hydraulic pump station, for controlling the hydraulic pump station;

[0009] A data acquisition unit connected to the hydraulic pump station and used to collect oil temperature, liquid level, hydraulic pressure, motor operation status and unloading valve status of the oil source;

[0010] A management end is connected to the data acquisition unit and multiple hydraulic pump controllers, and is used to perform login management; control switching management of multiple hydraulic pump stations based on the motor operation status and the unloading valve status; startup management of hydraulic pump stations; high pressure establishment management of multiple hydraulic pump stations; parameter setting management of data acquisition units; remote disabling management of multiple hydraulic pump stations; alarm management of multiple hydraulic pump stations; authority management; and control of multiple hydraulic pump stations based on use requests;

[0011] The user end is connected to the management end and is used to make use requests for multiple hydraulic pump stations based on authority.

[0012] In one embodiment of the present application, executing login management includes:

[0013] Get the authentication information of the logged-in person;

[0014] Verification is performed based on the identity authentication information of the logged-in person. When the verification is passed, the operation main page is sent to the logged-in person, wherein the operation main page includes a parameter display area, a pump station / motor start / stop button, a unloading valve / oil valve start / stop button, an operation switch button and a setting screen button. The parameter display area is used to display the oil temperature, liquid level and hydraulic pressure of the pump station. The pump station / motor start / stop button is used to input the pump station / motor start / stop instruction when it is touched for more than a preset time. The unloading valve / oil valve start / stop button is used to input the unloading valve / oil valve start / stop instruction when it is touched for more than a preset time. The operation switch button is used to input the operation switch instruction when it is touched.

[0015] In one embodiment of the present application, the management end includes a remote management end and a local management end, wherein the control switching management of multiple hydraulic pump stations is performed based on the motor operation state and the unloading valve state, including:

[0016] When receiving an operation switching instruction from the outside to change from the remote operation mode to the local operation mode, and the motor running state and the unloading valve state are both in the closed state, the remote operation mode is directly changed to the local operation mode, wherein in the remote operation mode, the hydraulic pump controller executes the control instruction from the remote management end or the user end, and in the local operation mode, the hydraulic pump controller executes the control instruction from the local management end;

[0017] When an operation switching instruction from the outside is received to change from the remote operation mode to the local operation mode, when the motor is in the running state or the unloading valve is in the open state, the remote operation mode is changed to the local operation mode after the motor or the unloading valve is closed by the remote management end or the user end; when the remote management end or the user end cannot close the motor or the unloading valve, the remote operation mode is changed to the local operation mode after the motor or the unloading valve is closed by the local management end.

[0018] In one embodiment of the present application, the startup management of the hydraulic pump station includes:

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

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

[0021] Obtain the traffic demand that needs to be established;

[0022] Determining the number of oil pumps to be opened and the output flow rate of each group of oil pumps based on the flow demand, wherein the hydraulic pump station includes an oil pump;

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

[0024] In one embodiment of the present application, parameter setting management is performed on the data acquisition unit, including:

[0025] When the setting screen button is activated, a secondary page is output to the logged-in person, wherein the secondary page 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 parameter includes oil temperature, liquid level, and hydraulic pressure.

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

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

[0029] When a first type of fault occurs in any oil pump, the remote control function of the corresponding oil pump is disabled; when a second type of fault occurs in any hydraulic pump station, the remote control function of all hydraulic pump stations is disabled, wherein the first type of fault includes abnormal contactor closure and abnormal motor thermistor; the second type of fault includes triggering of the emergency stop function, incorrect incoming line phase sequence, oil temperature higher than the upper limit alarm value, oil temperature lower than the lower limit alarm value, oil level higher than the upper limit alarm value, oil level lower than the lower limit alarm value, oil leakage monitoring alarm, oil pressure exceeding the upper limit alarm value, and oil pressure lower than the minimum working pressure after a unit time of startup.

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

[0031] Obtain the upper and lower alarm limits of oil temperature, oil pressure, and oil level;

[0032] Comparing the oil temperature of the hydraulic pump station with the upper alarm value of the oil temperature and the lower alarm value of the oil temperature, comparing the oil pressure of the hydraulic pump station with the upper alarm value of the oil pressure and the lower alarm value of the oil pressure, and comparing the oil level of the hydraulic pump station with the upper alarm value of the oil level and the lower alarm value of the oil level;

[0033] When the oil temperature of the hydraulic pump station is greater than the upper limit alarm value of the oil temperature, a high oil temperature alarm is issued;

[0034] When the oil temperature of the hydraulic pump station is lower than the lower limit alarm value of the oil temperature, an oil temperature low temperature alarm is issued;

[0035] When the oil pressure of the hydraulic pump station is greater than the upper limit alarm value of the oil pressure, an oil pressure high pressure alarm is issued;

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

[0037] When the oil level of the hydraulic pump station is greater than the upper alarm value of the oil level, a high oil level alarm is issued;

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

[0039] In an embodiment of the present application, the permission management process includes:

[0040] Activate multiple online users;

[0041] Each activated consumer is assigned a request authorization for the hydraulic power unit.

[0042] In one embodiment of the present application, the use request includes a target pump station, a requested flow rate, and a requested mode, wherein the multiple hydraulic pump stations are controlled based on the use request, including:

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

[0044] When there is no fault information of 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, wherein the request mode includes an automatic mode and a debugging mode. In the automatic mode, other users are prohibited from selecting a request mode; in the debugging mode, other users are prohibited from selecting a request mode and requesting flow.

[0045] The beneficial effects of the present invention are as follows: a distributed hydraulic power oil source integrated control and management system of the present invention includes multiple hydraulic pump stations, hydraulic pump controllers, data acquisition units, management terminals and user terminals. The present application brings multiple hydraulic pump stations together, and hydraulic pump stations with the same purpose are driven by the same oil source. The present application integrates login management, control switching management, startup management, high pressure establishment management, parameter setting management, remote disabling management, alarm management, authority management, and hydraulic pump station control, which can dispatch and manage hydraulic pump stations more conveniently and efficiently. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0047] Figure 1 It is a structural schematic diagram of a distributed hydraulic power oil source integrated control management system shown in one embodiment of the present application;

[0048] Figure 2 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 the present application;

[0050] Figure 4 A schematic diagram of the main operation page of the red and blue oil pump station in one embodiment of the present 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 It is a secondary page schematic diagram of the red and blue oil pumps 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 DESCRIPTION

[0054] The following describes the embodiments of the present invention by specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0055] It should be noted that the illustrations provided in the following embodiments are only used to schematically illustrate the basic concept of the present invention. Therefore, the figures only show the layers related to the present invention rather than being drawn according to the number, shape and size of the layers in actual implementation. In actual implementation, the type, quantity and proportion of each layer may be changed arbitrarily, and the layer layout may also be more complicated.

[0056] In the following description, numerous details are discussed to provide a more thorough explanation of embodiments of the present invention; however, it is apparent to one skilled in the art that embodiments of the present invention may be practiced without these specific details.

[0057] Figure 1 : is a structural diagram of a distributed hydraulic power oil source integrated control management system shown in an embodiment of the present application, such as Figure 1 As shown: A distributed hydraulic power oil source integrated control management system of this embodiment includes:

[0058] A plurality of hydraulic pump stations for providing hydraulic power to equipment of a pre-specified type, wherein the hydraulic pump stations providing hydraulic power to equipment of the same type have the same oil source;

[0059] A hydraulic pump controller, connected to the hydraulic pump station, for controlling the hydraulic pump station;

[0060] A data acquisition unit connected to the hydraulic pump station and used to collect oil temperature, liquid level, hydraulic pressure, motor operation status and unloading valve status of the oil source;

[0061] A management end is connected to the data acquisition unit and multiple hydraulic pump controllers, and is used to perform login management; control switching management of multiple hydraulic pump stations based on the motor operation status and the unloading valve status; startup management of hydraulic pump stations; high pressure establishment management of multiple hydraulic pump stations; parameter setting management of data acquisition units; remote disabling management of multiple hydraulic pump stations; alarm management of multiple hydraulic pump stations; authority management; and control of multiple hydraulic pump stations based on use requests;

[0062] The user end is connected to the management end and is used to make use requests for multiple hydraulic pump stations based on authority.

[0063] Specifically, the hydraulic system includes three 500L pump stations, one red oil pump station, and one blue oil pump station. The red oil pump station and the blue oil pump station are used to perform 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] Among them, each 500L pump station is managed and controlled by 1 PLC + 1 HMI as a hydraulic pump controller, and the red oil pump station and blue oil pump station are jointly managed and controlled by 1 PLC + 1 HMI as a hydraulic pump controller. In addition, there is a management PLC as a local management end and a remote tablet as a remote management end to manage and control the motors of each pump station in the hydraulic system.

[0065] The functions of each bottom-level pump station are relatively independent and support local control and remote control.

[0066] In this application, the 500L standard pump station includes 5 motors, 5 sub-unloading valves, 1 main unloading valve, 2 temperatures, 1 liquid level, 1 hydraulic, 3 blockages, 1 set of PLC+HMI and other hardware.

[0067] The red oil pumping station includes 1 motor, 1 unloading valve, 1 temperature sensor, 1 liquid level sensor, 1 hydraulic sensor, and 1 blocking switch. The blue oil pumping station includes 1 motor, 1 unloading valve, 1 temperature sensor, 1 liquid level sensor, 1 hydraulic sensor, and 1 blocking switch. The red oil pumping station and the blue oil pumping station share 1 set of PLC+HMI.

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

[0069] In this application, the local management of multiple hydraulic pump stations is completed based on a local tablet, which is set on the control cabinet. After the pump station is powered on, the touch screen is initialized to display the login interface. The process of login management based on the login interface is as follows:

[0070] (1) Login management

[0071] In one embodiment of the present application, executing login management includes:

[0072] Obtain the identity authentication information of the logged-in person; the identity authentication information may include account number and password information, fingerprint, etc.

[0073] Verification is performed based on the identity authentication information of the logged-in person. When the verification is passed, the operation main page is sent to the logged-in person, wherein the operation main page includes a parameter display area, a pump station / motor start / stop button, a unloading valve / oil valve start / stop button, an operation switch button and a setting screen button. The parameter display area is used to display the oil temperature, liquid level and hydraulic pressure of the pump station. The pump station / motor start / stop button is used to input the pump station / motor start / stop instruction when it is touched for more than a preset time. The unloading valve / oil valve start / stop button is used to input the unloading valve / oil valve start / stop instruction when it is touched for more than a preset time. The operation switch button is used to input the operation switch instruction when it is touched.

[0074] In this application, after the login is completed, the operation main page is sent to the logged in person.

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

[0076] Figure 4A schematic diagram of the operation main page of the red and blue oil pump station in one embodiment of the present application is shown in FIG. 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 ℃, red oil pump start and stop button, red oil pump start status, red oil valve switch control, blue oil pressure MPa, blue oil level mm, blue oil temperature ℃, blue oil pump start and stop button, blue oil pump start status, blue oil valve switch control, system working status prompt bar, clear alarm button, set screen button, remote & local switching button and other functions.

[0077] (2) Control switching management

[0078] In one embodiment of the present application, the management end includes a remote management end and a local management end, wherein the control switching management of multiple hydraulic pump stations is performed based on the motor operation state and the unloading valve state, including:

[0079] When receiving an operation switching instruction from the outside to change from the remote operation mode to the local operation mode, and the motor running state and the unloading valve state are both in the closed state, the remote operation mode is directly changed to the local operation mode, wherein in the remote operation mode, the hydraulic pump controller executes the control instruction from the remote management end or the user end, and in the local operation mode, the hydraulic pump controller executes the control instruction from the local management end;

[0080] When an operation switching instruction from the outside is received to change from the remote operation mode to the local operation mode, when the motor is in the running state or the unloading valve is in the open state, the remote operation mode is changed to the local operation mode after the motor or the unloading valve is closed by the remote management end or the user end; when the remote management end or the user end cannot close the motor or the unloading valve, the remote operation mode is changed to the local operation mode after the motor or the unloading valve is closed by the local management end.

[0081] In this embodiment, if the staff needs to perform local operation, they need to press the "remote operation" button on the motor main operation page to change to the "local operation" state. If the pump station turns on the motor, unloading valve, red and blue oil pump or red and blue oil valve in remote mode, all motors, unloading valves, red and blue oil pumps and red and blue oil valves must be turned off by remote control before local operation can be switched.

[0082] If the motor, unloading valve, red and blue oil pump or red and blue oil valve are started remotely and the network is disconnected, etc., and the motor or unloading valve cannot be shut down remotely, you can press the emergency stop button on the cabinet to shut down the motor, unloading valve, red and blue oil pump or red and blue oil valve, and then switch to "local operation" mode. Alarm warning prompts will not automatically stop the started motor or unloading valve, and Error fault prompts will automatically stop the corresponding started motor or unloading valve.

[0083] Among them, the present application also sets up an anti-misoperation mechanism, that is, the motor, unloading valve, red and blue oil pumps or red and blue oil valves can only be started and stopped when the button is pressed for more than 1 second.

[0084] (3) Startup Management

[0085] In one embodiment of the present application, the startup management of the hydraulic pump station includes:

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

[0087] When any motor of a 500L standard pump station is started, due to the high-power motor star-delta voltage reduction starting protection, other motors that have not been started are prohibited from starting and the corresponding unloading valves are prohibited from opening within 6 seconds after starting. If the unloading valve is in the open state, it will be automatically closed. If the corresponding unloading valve is opened or other motors are started within 6 seconds, the program will give the corresponding "Alarm135: This operation is prohibited because the start interval is less than 6 seconds." prompt.

[0088] Similarly, for the red and blue oil pumps, there will be a 6s lock function after the red and blue oil pumps are started (star-delta voltage reduction protection for high-power motors), which prohibits the corresponding red and blue oil valves from opening within 6s after starting. If the red and blue oil valves are in the open state, they will automatically close. If the corresponding red and blue oil valves are opened within 6s, the program will give the corresponding "Alarm135: This operation is prohibited because the start interval is less than 6s." prompt.

[0089] (4) High-voltage establishment management

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

[0091] Obtain the traffic demand that needs to be established;

[0092] Determining the number of oil pumps to be opened and the output flow rate of each group of oil pumps based on the flow demand, wherein the hydraulic pump station includes an oil pump;

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

[0094] This application includes three 500L standard pump stations, so three 500L standard pump stations can be used to establish high pressure. To establish high pressure, the number of oil pump motors to be opened needs to be determined according to the actual flow demand. For example, each group of oil pump motors outputs a flow of 100L, and the main unloading valve is opened to establish high pressure.

[0095] (5) Parameter setting management

[0096] In one embodiment of the present application, parameter setting management is performed on the data acquisition unit, including:

[0097] When the setting screen button is activated, a secondary page is output to the logged-in person, wherein the secondary page 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 parameter includes oil temperature, liquid level, and hydraulic pressure.

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

[0100] This application uses parameter setting management to calibrate the 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 the present application, remote disabling management of multiple hydraulic pump stations includes:

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

[0104] When a first type of fault occurs in any oil pump, the remote control function of the corresponding oil pump is disabled; when a second type of fault occurs in any hydraulic pump station, the remote control function of all hydraulic pump stations is disabled, wherein the first type of fault includes abnormal contactor closure and abnormal motor thermistor; the second type of fault includes triggering of the emergency stop function, incorrect incoming line phase sequence, oil temperature higher than the upper limit alarm value, oil temperature lower than the lower limit alarm value, oil level higher than the upper limit alarm value, oil level lower than the lower limit alarm value, oil leakage monitoring alarm, oil pressure exceeding the upper limit alarm value, and oil pressure lower than the minimum working pressure after a unit time of startup.

[0105] There is a remote disable button in the secondary page of the 500L standard pump station or the red and blue oil pump. 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 closure or motor thermistor abnormality), the pump group will be automatically set to be remotely disabled. When a fault occurs in a pump station system (such as the emergency stop is pressed, the incoming line phase sequence is wrong, the oil temperature is higher than the upper limit alarm value of 60°C, the oil temperature is lower than the lower limit alarm value of 0°C, the oil level is higher than the upper limit alarm value of 800mm, the oil level is lower than the lower limit alarm value of 400mm, oil leakage monitoring alarm (the oil level drops beyond the set value), the oil pressure exceeds the upper limit alarm value of 23MPa, and the oil pressure is lower than the minimum working pressure of 1MPa 4 minutes after startup), the 5 pump groups of the pump station will be automatically set to be remotely disabled.

[0107] The remote disable function can be used when the hydraulic oil source is needed during the maintenance of the pump group. At this time, the faulty pump group can be remotely disabled, and other normal pump groups can remain remotely available.

[0108] (6) Alarm management

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

[0110] Obtain the upper and lower alarm limits of oil temperature, oil pressure, and oil level;

[0111] Comparing the oil temperature of the hydraulic pump station with the upper alarm value of the oil temperature and the lower alarm value of the oil temperature, comparing the oil pressure of the hydraulic pump station with the upper alarm value of the oil pressure and the lower alarm value of the oil pressure, and comparing the oil level of the hydraulic pump station with the upper alarm value of the oil level and the lower alarm value of the oil level;

[0112] When the oil temperature of the hydraulic pump station is greater than the upper limit alarm value of the oil temperature, a high oil temperature alarm is issued;

[0113] When the oil temperature of the hydraulic pump station is lower than the lower limit alarm value of the oil temperature, an oil temperature low temperature alarm is issued;

[0114] When the oil pressure of the hydraulic pump station is greater than the upper limit alarm value of the oil pressure, an oil pressure high pressure alarm is issued;

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

[0116] When the oil level of the hydraulic pump station is greater than the upper alarm value of the oil level, a high oil level alarm is issued;

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

[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 debugging process to run the pump station for troubleshooting verification. All alarms need to be turned on during normal use.

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

[0120] (7) Rights Management

[0121] In an embodiment of the present application, the permission management process includes:

[0122] Activate multiple online users;

[0123] Each activated consumer is assigned a request authorization for the hydraulic power unit.

[0124] The local management end or remote management end in this application can complete the usage permission management of the hydraulic oil and red and blue oil of the four user-end touch tablets, mainly including the status display of each tablet and the permission management of each tablet, for example: the online status of the four user-end touch tablets, 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.

[0125] The activated state indicates that the corresponding hydraulic oil request authority is available.

[0126] Permission management aspects include:

[0127] "1#TPC Activation"---Activate the 1#TPC touch panel. After activation, the corresponding "Hydraulic Activation?", "Red Oil Activation?", "Blue Oil Activation?" buttons are automatically highlighted and available. "2#TPC Activation", "3#TPC Activation", and "4#TPC Activation" have the same functions.

[0128] "Hydraulic activation?"---It is available only after the corresponding TPC tablet is activated. If the hydraulic pressure of 1#TPC is activated and there is a hydraulic flow request on the 1#TPC tablet, the "Hydraulic activation?" button in the 1#TPC control area on the management side will become invalid and disabled. When there is no flow request on the activated 1#TPC tablet, the "Hydraulic activation?" button in the 1#TPC control area on the management side will automatically return to the highlighted available state.

[0129] "Red Oil Activation" is similar to "Hydraulic Activation".

[0130] Hydraulically Activated is similar to Hydraulically Activated.

[0131] (8) Pump station control

[0132] In one embodiment of the present application, the use request includes a target pump station, a requested flow rate, and a requested mode, wherein the multiple hydraulic pump stations are controlled based on the use request, including:

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

[0134] When there is no fault information of 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, wherein the request mode includes an automatic mode and a debugging mode. In the automatic mode, other users are prohibited from selecting a request mode; in the debugging mode, other users are prohibited from selecting a request mode and requesting flow.

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

[0136] The hydraulic mode includes automatic mode and debugging mode. The debugging mode is an exclusive function. When one user-end tablet is in debugging mode, the hydraulic mode selection function and flow request function of other tablets will be disabled. Only after the user-end exits debugging mode will the hydraulic mode selection of other tablets be activated. In addition, when one user-end tablet has flow demand in automatic mode, the hydraulic mode selection function of other tablets will also be disabled, but in this case other tablets can execute the flow demand.

[0137] The set flow upper limit value of each user-end tablet will automatically change according to the size of the available flow. The system always counts the requested flow of each user-end tablet and compares it with the opening flow. When they are not equal, the matching pump group will be automatically turned on or off. The order of starting and stopping the pump groups is automatically adjusted according to the length of time the pump groups are running.

[0138] Red oil request function---it is available when the management-end tablet activates the red oil control function of the user-end tablet. The red oil pump station will be started when any user-end tablet has a red oil request, and the red oil pump station will be closed when all user-end tablets have no red oil request.

[0139] Blue oil request function---it is available when the management-end tablet activates the blue oil control function of the user-end tablet. The blue oil pump station is started when any user-end tablet has a blue oil request, and the blue oil pump station is closed when all user-end tablets have no blue oil request.

[0140] In addition, the user terminal tablet can also display information, including hydraulic control status, total demand flow, used flow, available flow, hydraulic pressure, hydraulic temperature, sound prompts, and fault indications. When the user terminal tablet sends the set flow demand, the management system sends the pump group that each 500L hydraulic pump station needs to start and stop at one time, and gives hydraulic control instructions at the same time. During the hydraulic control process, the program automatically prohibits each user terminal tablet from inputting changes to the flow demand. The sound prompt button can be used to turn off the sound alarm of the user terminal tablet. Under normal circumstances, the sound alarm function needs to be turned on for a long time.

[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 is greater than the maximum supply capacity of the remote available hydraulic pump station.

[0142] A distributed hydraulic power oil source integrated control and management system of the present invention includes multiple hydraulic pump stations, hydraulic pump controllers, data acquisition units, management terminals and user terminals. The present application brings multiple hydraulic pump stations together, and hydraulic pump stations with the same purpose are driven by the same oil source. The present application integrates login management, control switching management, startup management, high-pressure establishment management, parameter setting management, remote disabling management, alarm management, authority management, and hydraulic pump station control, which can dispatch and manage hydraulic pump stations more conveniently and efficiently.

[0143] This embodiment further provides a computer-readable storage medium on which a computer program is stored. When the program is executed by a processor, any one of the methods in this embodiment is implemented, 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 a computer program, and the processor is used to execute the computer program stored in the memory, so that the terminal executes any one of the methods in this embodiment.

[0146] The computer-readable storage medium in this embodiment can be understood by ordinary technicians in this field: all or part of the steps of implementing the above-mentioned method embodiments can be completed by hardware related to the computer program. The aforementioned computer program can be stored in a computer-readable storage medium. When the program is executed, the steps of the above-mentioned method embodiments are executed; and the aforementioned storage medium includes: ROM, RAM, magnetic disk or optical disk and other media that can store program codes.

[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 with each other. The memory is used to store computer programs, the communication interface is used to communicate, and the processor and the transceiver are used to run computer programs so that the electronic terminal executes each step of the above method.

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

[0149] The above-mentioned processor can be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; it can also be a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.

[0150] In the above-mentioned embodiments, although the present invention has been described in conjunction with the specific embodiments of the present invention, many replacements, modifications and variations of these embodiments will be apparent to those skilled in the art according to the foregoing description. The embodiments of the present invention are intended to cover all such replacements, 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 present invention. Anyone familiar with the art may 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 a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A distributed hydraulic power oil source integrated control and management system, characterized in that: include: A plurality of hydraulic pump stations for providing hydraulic power to equipment of a pre-specified type, wherein the hydraulic pump stations providing hydraulic power to equipment of the same type have the same oil source; A hydraulic pump controller, connected to the hydraulic pump station, for controlling the hydraulic pump station; A data acquisition unit connected to the hydraulic pump station and used to collect oil temperature, liquid level, hydraulic pressure, motor operation status and unloading valve status of the oil source; A management end is connected to the data acquisition unit and multiple hydraulic pump controllers, and is used to perform login management; control switching management of multiple hydraulic pump stations based on the motor operation status and the unloading valve status; startup management of hydraulic pump stations; high pressure establishment management of multiple hydraulic pump stations; parameter setting management of data acquisition units; remote disabling management of multiple hydraulic pump stations; alarm management of multiple hydraulic pump stations; authority management; and control of multiple hydraulic pump stations based on use requests; The user end is connected to the management end and is used to make use requests for multiple hydraulic pump stations based on authority.

2. A distributed hydraulic power oil source integrated control and management system according to claim 1, characterized in that: Perform login management, including: Get the authentication information of the logged-in person; Verification is performed based on the identity authentication information of the logged-in person. When the verification is passed, the operation main page is sent to the logged-in person, wherein the operation main page includes a parameter display area, a pump station / motor start / stop button, a unloading valve / oil valve start / stop button, an operation switch button and a setting screen button. The parameter display area is used to display the oil temperature, liquid level and hydraulic pressure of the pump station. The pump station / motor start / stop button is used to input the pump station / motor start / stop instruction when it is touched for more than a preset time. The unloading valve / oil valve start / stop button is used to input the unloading valve / oil valve start / stop instruction when it is touched for more than a preset time. The operation switch button is used to input the operation switch instruction when it is touched.

3. A distributed hydraulic power oil source integrated control and management system according to claim 1, characterized in that: The management end includes a remote management end and a local management end, wherein the control switching management of multiple hydraulic pump stations is performed based on the motor operation state and the unloading valve state, including: When receiving an operation switching instruction from the outside to change from the remote operation mode to the local operation mode, and the motor running state and the unloading valve state are both in the closed state, the remote operation mode is directly changed to the local operation mode, wherein in the remote operation mode, the hydraulic pump controller executes the control instruction from the remote management end or the user end, and in the local operation mode, the hydraulic pump controller executes the control instruction from the local management end; When an operation switching instruction from the outside is received to change from the remote operation mode to the local operation mode, when the motor is in the running state or the unloading valve is in the open state, the remote operation mode is changed to the local operation mode after the motor or the unloading valve is closed by the remote management end or the user end; when the remote management end or the user end cannot close the motor or the unloading valve, the remote operation mode is changed to the local operation mode after the motor or the unloading valve is closed by the local management end.

4. A distributed hydraulic power oil source integrated control and management system according to claim 1, characterized in that: Start-up management of hydraulic pump station, including: When the motor of any hydraulic pump station is started, the motors and unloading valves that have not been started in other hydraulic pump stations are prohibited from starting within a unit time, and the unloading valves that have been started in other hydraulic pump stations are closed.

5. A distributed hydraulic power oil source integrated control and management system according to claim 1, characterized in that: Manage high pressure build-up for multiple hydraulic pump stations, including: Obtain the traffic demand that needs to be established; Determining the number of oil pumps to be opened and the output flow rate of each group of oil pumps based on the flow demand, wherein the hydraulic pump station includes an oil pump; A high-pressure output is established based on the number of oil pumps that are turned on and the output flow rate of each group of oil pumps.

6. A distributed hydraulic power oil source integrated control and management system according to claim 2, characterized in that: Perform parameter setting management on the data acquisition unit, including: When the setting screen button is activated, a secondary page is output to the logged-in person, 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, the corresponding parameter is corrected to the correction value, wherein the parameter includes oil temperature, liquid level, and hydraulic pressure.

7. A distributed hydraulic power oil source integrated control and management system according to claim 6, characterized in that: Remotely disable and manage multiple hydraulic pump stations, including: When the remote disabling button is activated, disabling the remote control function of the corresponding oil pump; When a first type of fault occurs in any oil pump, the remote control function of the corresponding oil pump is disabled; when a second type of fault occurs in any hydraulic pump station, the remote control function of all hydraulic pump stations is disabled, wherein the first type of fault includes abnormal contactor closure and abnormal motor thermistor; the second type of fault includes triggering of the emergency stop function, incorrect incoming line phase sequence, oil temperature higher than the upper limit alarm value, oil temperature lower than the lower limit alarm value, oil level higher than the upper limit alarm value, oil level lower than the lower limit alarm value, oil leakage monitoring alarm, oil pressure exceeding the upper limit alarm value, and oil pressure lower than the minimum working pressure after a unit time of startup.

8. A distributed hydraulic power oil source integrated control and management system according to claim 6, characterized in that: Alarm management for multiple hydraulic pump stations, including: Obtain the upper and lower alarm limits of oil temperature, oil pressure, and oil level; Comparing the oil temperature of the hydraulic pump station with the upper alarm value of the oil temperature and the lower alarm value of the oil temperature, comparing the oil pressure of the hydraulic pump station with the upper alarm value of the oil pressure and the lower alarm value of the oil pressure, and comparing the oil level of the hydraulic pump station with the upper alarm value of the oil level and the lower alarm value of the oil level; When the oil temperature of the hydraulic pump station is greater than the upper limit alarm value of the oil temperature, a high oil temperature alarm is issued; When the oil temperature of the hydraulic pump station is lower than the lower limit alarm value of the oil temperature, an oil temperature low temperature alarm is issued; When the oil pressure of the hydraulic pump station is greater than the upper limit alarm value of the oil pressure, an oil pressure high pressure alarm is issued; When the oil pressure of the hydraulic pump station is lower than the upper limit alarm value of the oil pressure, a low oil pressure alarm is issued; When the oil level of the hydraulic pump station is greater than the upper alarm value of the oil level, a high oil level alarm is issued; When the oil level of the hydraulic pump station is lower than the upper alarm value of the oil level, a low oil level alarm is issued.

9. A distributed hydraulic power oil source integrated control and management system according to claim 1, characterized in that: The process of rights management includes: Activate multiple online users; Each activated consumer is assigned a request authorization for the hydraulic power unit.

10. A distributed hydraulic power oil source integrated control and management system according to claim 1, characterized in that: The use request includes a target pump station, a requested flow rate, and a requested mode, wherein the multiple hydraulic pump stations are controlled based on the use request, including: Acquire the current remaining available flow and the fault information of the hydraulic pump station, wherein the current remaining available flow is determined based on the oil level of the oil source corresponding to the target pump station; When there is no fault information of 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, wherein the request mode includes an automatic mode and a debugging mode. In the automatic mode, other users are prohibited from selecting a request mode; in the debugging mode, other users are prohibited from selecting a request mode and requesting flow.

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