CN215333768U - Pressure protection device of energy accumulator - Google Patents
Pressure protection device of energy accumulator Download PDFInfo
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- CN215333768U CN215333768U CN202121089106.5U CN202121089106U CN215333768U CN 215333768 U CN215333768 U CN 215333768U CN 202121089106 U CN202121089106 U CN 202121089106U CN 215333768 U CN215333768 U CN 215333768U
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- energy accumulator
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- accumulator
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Abstract
The utility model belongs to the technical field of hydraulic control, and discloses a pressure protection device of an energy accumulator, which comprises a data acquisition instrument, a pressure sensor and a pressure sensor, wherein the data acquisition instrument is connected with the energy accumulator to acquire working parameters of the energy accumulator; the PLC is connected with the data acquisition instrument and the hydraulic pump station; the cloud platform is connected with the PLC to store working parameters; the remote monitoring end is connected with the cloud platform (3) through a wireless or Ethernet to monitor and display working parameters; the local monitoring end is connected with the PLC through a cable so as to monitor and display working parameters, set parameter threshold values and send the working parameters and the set parameter threshold values to the PLC. The utility model can realize real-time monitoring and feedback control of the working parameters of the energy accumulator, and is convenient for taking measures in time to keep the energy accumulator working at constant pressure when the working parameters of the energy accumulator change (such as pressure fluctuation), thereby realizing pressure protection of the energy accumulator and solving the problem of pressure fluctuation of the energy accumulator.
Description
Technical Field
The utility model relates to the technical field of hydraulic control, in particular to a pressure protection device of an energy accumulator.
Background
In a hydraulic system, the stability of an accumulator determines the stability of the whole hydraulic system, and the safety of the accumulator is increasingly emphasized by people. Most energy accumulators in the existing industrial system do not have a pressure detection and protection device, and only when the system is not controlled stably and a maintenance worker connects a detection instrument to detect, the defect that the nitrogen pressure is insufficient due to damage of a sealing ring or long-term leakage can be found, and when the system pressure is not stable, the energy accumulator cannot timely supplement the pressure to cause system pressure fluctuation, so that the test cannot be carried out, and the test progress is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pressure protection device of an energy accumulator, which aims to solve the problem of pressure fluctuation of the energy accumulator.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a pressure protection device of an energy accumulator, comprising:
the data acquisition instrument is connected with the energy accumulator to acquire working parameters of the energy accumulator;
the PLC is connected with the data acquisition instrument to receive the working parameters and connected with a hydraulic pump station to control the start and stop of the hydraulic pump station;
the cloud platform is connected with the PLC to store the working parameters;
the remote monitoring end is connected with the cloud platform in a wireless or Ethernet mode so as to monitor and display the working parameters;
and the local monitoring end is connected with the PLC through a cable so as to monitor and display the working parameters and set parameter threshold values and send the working parameters and the set parameter threshold values to the PLC.
Optionally, the local monitoring end adopts a touch screen as a human-computer interaction interface.
Optionally, the operating parameter is an operating pressure of the accumulator.
Optionally, the cloud platform is an internet of things module.
Optionally, the cloud platform is connected with the PLC controller through a Modbus TCP protocol.
Optionally, the data collector is a pressure sensor.
Optionally, the energy accumulator is connected to the gas source through a gas pipeline, and a valve is arranged on the gas pipeline.
Optionally, the remote monitoring terminal includes a smart phone, a tablet computer and/or a computer.
Optionally, the pressure protection device of energy storage ware still includes the industry switch, the PLC controller, the cloud platform with local monitoring end all connect in order to realize the real-time sharing of data in the industry switch.
Optionally, the pressure protection device of energy storage ware still includes the alarm, the alarm is connected the PLC controller is in order to be in the working parameter surpasss send alarm information for the PLC controller when the parameter threshold value.
The utility model has the beneficial effects that:
according to the pressure protection device for the energy accumulator, the data acquisition instrument is arranged to acquire the working state parameters of the energy accumulator and upload the working state parameters to the PLC, the PLC is connected with the cloud platform and the local monitoring end, real-time monitoring and feedback control over the working parameters of the energy accumulator can be achieved, and measures can be taken timely to keep the energy accumulator working at a constant pressure when the working parameters of the energy accumulator change (such as pressure fluctuation), so that pressure protection of the energy accumulator is achieved, and the problem of pressure fluctuation of the energy accumulator is solved.
Drawings
Fig. 1 is a schematic structural diagram of a pressure protection device of an accumulator provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a pressure protection device of an accumulator according to embodiment 2 of the present invention.
In the figure:
100. an accumulator; 200. a hydraulic pump station;
1. a data acquisition instrument; 2, a PLC controller; 3. a cloud platform; 4. a remote monitoring end; 5. a local monitoring end; 6. an industrial switch; 7. an alarm; 8. a gas source; 9. and (4) a valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The utility model provides a pressure protection device of an energy accumulator, as shown in an embodiment 1 shown in fig. 1, the energy accumulator 100 provides hydraulic power through a hydraulic pump station 200, the pressure protection device comprises a data acquisition instrument 1, a PLC (programmable logic controller) 2, a cloud platform 3, a remote monitoring end 4 and a local monitoring end 5, wherein the data acquisition instrument 1 is connected with the energy accumulator 100 to acquire working parameters of the energy accumulator 100; the PLC 2 is connected with the data acquisition instrument 1 to receive working parameters of the energy accumulator 100 and is connected with the hydraulic pump station 200 to control the start and stop of the hydraulic pump station 200; the cloud platform 3 is connected with the PLC 2 to store working parameters of the energy accumulator 100; the remote monitoring end 4 is connected with the cloud platform 3 through a wireless or Ethernet so as to monitor and display working parameters; the local monitoring terminal 5 is connected with the PLC controller 2 through a cable to monitor and display working parameters and set parameter threshold values and send the working parameters and the set parameter threshold values to the PLC controller 2.
It should be explained that, in the present embodiment, the remote monitoring terminal 4 and the local monitoring terminal 5 are provided, so that the setting of the parameter threshold value and the real-time output to the PLC controller 2 are performed at the local monitoring terminal 5, so as to implement the monitoring, displaying, and adjusting control work at the work site. The remote monitoring end 4 can obtain real-time display and monitoring of working parameters off site, and can feed back a series of operation instructions to the PLC controller 2 through the cloud platform 3, so as to control the hydraulic pump station 200 to work, and realize remote monitoring and control. It can be understood that the data acquisition instrument 1 is arranged to acquire the working state parameters of the energy accumulator 100 and upload the working state parameters to the PLC controller 2, and the PLC controller 2 is connected with the cloud platform 3 and the local monitoring terminal 5, so that the real-time monitoring and feedback control of the working parameters of the energy accumulator 100 can be realized, and measures can be taken in time to keep the energy accumulator 100 working at a constant pressure when the working parameters of the energy accumulator 100 change (such as pressure fluctuation), thereby realizing the pressure protection of the energy accumulator 100 and solving the problem of the pressure fluctuation of the energy accumulator 100.
Optionally, the local monitoring terminal 5 adopts a touch screen as a human-computer interaction interface.
The touch screen has a friendly operation control interface, can locally display the working parameters of the energy accumulators 100 and can display the working parameters in a curve form, so that a user can conveniently check the real-time data and the historical data of the working parameters of the energy accumulators 100 locally, the interface is simple and easy to understand, meanwhile, the working parameters can be recorded and stored, later inquiry is facilitated, and data support is made for maintenance digitization. The set value of the working parameter can be set through the touch screen, so that the working parameter can be conveniently subjected to alarm detection, meanwhile, the working state is displayed on the touch screen in a curve form, the working state of the energy accumulator 100 is conveniently monitored, and any problem possibly existing in time maintenance or overhaul is solved.
Optionally, the operating parameter is an operating pressure of the accumulator 100.
In this embodiment, taking the working pressure of the energy accumulator 100 as an example, the problem of pressure fluctuation of the energy accumulator 100 is monitored and controlled, when the working pressure of the energy accumulator 100 fluctuates, the working pressure of the energy accumulator 100 can be timely adjusted, or the hydraulic pump station 200 is suddenly stopped by the PLC controller 2 to stop the oil source, so that the system safety is ensured.
Optionally, the cloud platform 3 is an internet of things module.
Specifically, cloud platform 3 is the GM20 module of EMCP thing networking cloud platform in this embodiment, for prior art product, can purchase and obtain, such as blue-peak thing allies oneself with GM20 module, carry out the communication through Modbus TCP communication protocol and Siemens PLC controller 2 and be connected, can read the operating pressure data of energy storage ware 100 in the PLC controller 2 and can remote monitoring and alarm output, can look over control at remote monitoring end 4, operator and person on duty can look over the real-time status of the operating pressure of a plurality of energy storage ware 100 and do the record automatically and save, greatly increased the security of system, can also practice thrift the cost of labor simultaneously.
The control can be checked at the computer end, the control can also be checked in the mobile phone 8APP, and an operator and an attendant can check the real-time states of the pressure of the plurality of energy accumulators of the system through the mobile phone APP or the computer webpage and automatically record and store the states, so that the safety of the system is greatly improved, and meanwhile, the labor cost can be saved;
optionally, the data collector 1 is a pressure sensor, and is configured to collect working pressure of the energy accumulator 100, so as to monitor a working state of the energy accumulator 100 according to fluctuation of the working pressure, so as to adjust the working state of the energy accumulator 100 in time, ensure that the energy accumulator 100 operates under safe working pressure, and provide a reference data source for pressure protection of the energy accumulator 100. The number of the pressure sensors can be set to be more than one according to needs so as to reduce the random error influence of the detection data. Of course, the data collector 1 is not limited to a pressure sensor, but may be a common analog sensor of voltage and current signals, so as to obtain the collection and output of the operating parameters of the energy accumulator 100.
Optionally, the accumulator 100 is connected to the gas source 8 through a gas line, and a valve 9 is disposed on the gas line.
As shown in fig. 1, in the present embodiment, the gas source 8 is a nitrogen charging device, the valve 9 disposed on the gas pipeline may be a robot valve, and when the working pressure of the accumulator 100 fluctuates, the opening degree of the valve 9 may be adjusted to supplement or discharge nitrogen to the accumulator 100, so that the accumulator 100 operates within a constant pressure range, thereby enhancing the working stability and safety of the accumulator 100.
Optionally, the remote monitoring terminal 4 comprises a smartphone, a tablet computer and/or a computer.
Select smart mobile phone and computer as remote monitoring end 4 in this embodiment, combine cloud platform 3, can realize the remote monitoring control of remote smart mobile phone APP and computer, can realize unmanned on duty, look over the running state of energy storage ware 100 anytime and anywhere, discovery early leaks scheduling problem a little, practices thrift on-the-spot manpower and materials cost and improves personnel operational environment, and can improve the work security of energy storage ware 100. At remote monitoring end 4, not only can look over working parameter and feedback control at computer or computer end, can also look over and control in cell-phone APP, operator and person on duty can look over the real-time operating pressure of a plurality of energy storage wares 100 and do the record automatically and preserve through cell-phone APP or computer webpage, greatly increased the security of system, can also practice thrift the cost of labor simultaneously.
As shown in fig. 2, in embodiment 2, the pressure protection device of the energy accumulator 100 further includes an industrial switch 6, and the PLC controller 2, the cloud platform 3, and the local monitoring terminal 5 are all connected to the industrial switch 6 to implement real-time data sharing.
In this embodiment 2, industrial switch 6 is with PLC controller 2, cloud platform 3 and local monitoring end 5 link together through the ethernet communication, carry out the real-time sharing of data, as fig. 2, the working parameter data that PLC controller 2 received can be sent simultaneously for cloud platform 3 and local monitoring end 5 through industrial switch 6, cloud platform 3 can save working parameter, and carry out remote display and monitoring through cell-phone APP and computer, and can feed back according to the monitoring result, cloud platform 3 further can send feedback information for PLC controller 2 with the scram of controlling hydraulic power unit 200 etc. reduce the fault loss. The local monitoring terminal 5 can display locally in real time so as to facilitate monitoring, and field workers can perform corresponding processing according to the acquired data in time.
Optionally, the pressure protection device of the energy accumulator 100 further comprises an alarm 7, and the alarm 7 is connected to the PLC controller 2 to send an alarm message to the PLC controller 2 when the working parameter exceeds the parameter threshold.
In one embodiment of the utility model, the alarm 7 is arranged on the cloud platform 3, and sends out an alarm when the working parameter data stored in the cloud platform 3 exceeds a parameter threshold value, and sends the alarm information to the PLC controller 2 through the industrial switch 6 so as to take corresponding measures. It can be understood that the parameter threshold is set at local monitoring end 5, and is shared for cloud platform 3 and PLC controller 2 through industry switch 6, and PLC controller 2 shares real-time working parameter data for cloud platform 3 and local monitoring end 5 through industry switch 6, and consequently, alarm 7 also can set up at local monitoring end 5, carries out real-time data sharing and update through setting up the priority to better control.
As shown in fig. 2, in embodiment 2, the alarm 7 is disposed on the PLC controller 2, and can determine the real-time operating parameters and parameter thresholds received by the PLC controller 2, and start to alarm when the operating parameters of the energy accumulator 100 exceed the parameter thresholds for a period of time, and perform an emergency stop through the associated hydraulic pump station 200 to stop the oil source, thereby ensuring the safety of the energy accumulator 100.
When the pressure protection device of the energy accumulator is started and works, whether an alarm exists or not needs to be checked firstly, if the alarm exists, specific alarm information content needs to be checked so that maintenance personnel can solve the problem, if the alarm does not exist, an operator can set parameter threshold values such as a pressure alarm value and an alarm range of each energy accumulator 100 by operating a touch screen of a local monitoring end 5, a PLC (programmable logic controller) 2 intelligently compares the received high-low pressure alarm setting value of each energy accumulator 100 with the working pressure data of the energy accumulator 100 acquired in real time, when the real-time working pressure value of each energy accumulator 100 is higher than or lower than the pressure alarm value for a period of time, the system starts to alarm, the operator and an inspection personnel check the pressure state of each energy accumulator 100 in real time through a remote monitoring end 4 such as a mobile phone APP (application) or a computer end connected to a cloud platform 3 and automatically record the data, and the emergency stop system of the hydraulic pump station 200 can also be associated to stop the oil source, so that the safety of the system is guaranteed. The utility model ensures that the pressure of the energy accumulator 100 of the hydraulic system is always kept in a normal working range, and when the working pressure of the energy accumulator 100 is too high or too low, the alarm can inform relevant personnel of maintenance and inspection, and meanwhile, a large number of personnel do not need to be arranged for inspection and duty, thereby reducing the labor cost of manpower.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A pressure protection device for an accumulator, comprising:
the data acquisition instrument (1) is connected with the energy accumulator (100) to acquire working parameters of the energy accumulator (100);
the PLC (2) is connected with the data acquisition instrument (1) to receive the working parameters and connected with the hydraulic pump station (200) to control the start and stop of the hydraulic pump station (200);
the cloud platform (3) is connected with the PLC (2) to store the working parameters;
the remote monitoring end (4) is connected with the cloud platform (3) in a wireless or Ethernet mode to monitor and display the working parameters;
and the local monitoring end (5) is connected with the PLC (2) through a cable so as to monitor and display the working parameters, set parameter threshold values and send the working parameters and the set parameter threshold values to the PLC (2).
2. Pressure protection device of an accumulator according to claim 1, characterized in that the local monitoring terminal (5) uses a touch screen as a man-machine interface.
3. Pressure protection device of an accumulator according to claim 1, characterized in that the operating parameter is the operating pressure of the accumulator (100).
4. Pressure protection device of an accumulator according to claim 1, characterized in that the cloud platform (3) is an internet of things module.
5. The pressure protection device of an accumulator according to claim 1, characterized in that the cloud platform (3) is connected to the PLC controller (2) by means of the Modbus TCP protocol.
6. Pressure protection device of an accumulator according to claim 1, characterized in that the data collector (1) is a pressure sensor.
7. Pressure protection device of an accumulator according to claim 1, characterized in that the accumulator (100) is connected to a gas source (8) by a gas line, on which a valve (9) is arranged.
8. Pressure protection device of an accumulator according to claim 1, characterized in that the remote monitoring terminal (4) comprises a smartphone, a tablet and/or a computer.
9. The pressure protection device of the accumulator according to claim 1, further comprising an industrial switch (6), wherein the PLC controller (2), the cloud platform (3) and the local monitoring terminal (5) are all connected to the industrial switch (6) to realize real-time data sharing.
10. The pressure protection device of an accumulator according to claim 1, characterized in that it further comprises an alarm (7), said alarm (7) being connected to said PLC controller (2) to send an alarm message to said PLC controller (2) when said operating parameter exceeds said parameter threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121089106.5U CN215333768U (en) | 2021-05-20 | 2021-05-20 | Pressure protection device of energy accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121089106.5U CN215333768U (en) | 2021-05-20 | 2021-05-20 | Pressure protection device of energy accumulator |
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| Publication Number | Publication Date |
|---|---|
| CN215333768U true CN215333768U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121089106.5U Active CN215333768U (en) | 2021-05-20 | 2021-05-20 | Pressure protection device of energy accumulator |
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|---|---|
| CN (1) | CN215333768U (en) |
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2021
- 2021-05-20 CN CN202121089106.5U patent/CN215333768U/en active Active
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