CN119222218A - A pumped storage unit water pressure exhaust control device - Google Patents
A pumped storage unit water pressure exhaust control device Download PDFInfo
- Publication number
- CN119222218A CN119222218A CN202411515139.XA CN202411515139A CN119222218A CN 119222218 A CN119222218 A CN 119222218A CN 202411515139 A CN202411515139 A CN 202411515139A CN 119222218 A CN119222218 A CN 119222218A
- Authority
- CN
- China
- Prior art keywords
- valve
- control
- oil
- storage unit
- hydraulic valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/02—Servomotor systems with programme control derived from a store or timing device; Control devices therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a water-pressing and air-exhausting control device of a pumped storage unit, which relates to the technical field of pumped storage units, and is characterized in that when the water-pressing and air-exhausting control device is in manual control, an electromagnetic reversing valve and a button switch are electrified through switching of a change-over switch, and the button switch is controlled to control the electromagnetic reversing valve to be electrified and powered off; when the PLC fails, the monitoring system is controlled to be connected with the auxiliary contact to control the electromagnetic reversing valve to be electrified and powered off. The invention has manual control, automatic control and remote control, the remote control realizes the control part of the prior technical proposal, the manual control can realize the valve action test requirement in the equipment debugging process, the automatic control also independently bears the control task when executing the water-pressing and air-exhausting flow, and simultaneously, the remote control is used as a standby, thereby enhancing the redundancy of the control part.
Description
Technical Field
The invention relates to the technical field of pumped storage units, in particular to a pressurized water exhaust control device of a pumped storage unit.
Background
In the process of converting different working conditions, the pumped storage unit needs to execute an inflation pressurized water flow, an working condition conversion exhaust backwater flow and a shutdown exhaust backwater flow according to requirements, and the execution of the three flows needs to control the opening and closing of hydraulic valves with a plurality of functions at different positions, so that the actions of inflating pressurized water or exhausting backwater into the rotating wheel chamber are realized, and the aim of controlling the phase modulation water level is fulfilled. The opening and closing of each hydraulic valve is realized by controlling the corresponding double-coil electromagnetic directional valve.
In the prior art, an electromagnetic directional valve for controlling the opening and closing of the hydraulic valve is arranged near the hydraulic valve which is automatically arranged (namely in a power station factory building), and a corresponding coil for controlling the electromagnetic directional valve is remotely operated by a power station monitoring system. The hydraulic valve position signals are transmitted to a power station monitoring system through hard joints, and feedback signals required by a control flow are provided for the monitoring system.
However, the above scheme has the following problems:
1. the device is easily influenced by the simultaneous operation of other systems through the remote control of the system, and when facing specific problem conditions, the device is easy to cause poor efficiency or solving effect through the remote control.
2. The control mode is single, and the control part lacks a standby control scheme, and the redundancy of the control part is low, and meanwhile the safety of a factory building is influenced.
3. The signal transmission control and the pipeline part are separated, the hydraulic valve position signal can not be collected and sent while the hydraulic valve is operated to execute the appointed action,
Disclosure of Invention
The invention aims to solve the problems that the existing pumped storage unit can only be operated by a power station monitoring system in a single remote mode without redundant control capability in the process of executing an inflation pressurized water process, a working condition conversion exhaust backwater process and a shutdown exhaust backwater process, an electromagnetic reversing valve for controlling a hydraulic valve is dispersed in a power station factory building, so that centralized maintenance is inconvenient, and a hydraulic valve position signal is transmitted to the power station monitoring system only through a hard joint and cannot be transmitted in a communication mode.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The water pumping and energy storage unit pressurized water exhaust control device is characterized by comprising an electric control part, a working oil pipe valve part, an oil inlet pipeline, an oil return pipeline and an oil dividing valve block, wherein the working oil pipe valve part is at least six sets, the working oil pipe valve part comprises a first working oil pipe, a second working oil pipe, an electromagnetic reversing valve and a hydraulic valve, one electromagnetic reversing valve correspondingly controls one hydraulic valve, an oil inlet bin and an oil return bin are arranged in the oil dividing valve block, the electromagnetic reversing valve is arranged on the oil dividing valve block and respectively communicated with the oil inlet bin and the oil outlet bin, one end of the oil inlet pipeline is connected to a pressure oil tank, the other end of the oil inlet pipeline is communicated with the oil inlet bin of the oil dividing valve block, one end of the oil return pipeline is communicated with the oil outlet bin of the oil dividing valve block, the other end of the oil return pipeline is connected to the oil return tank, one end of the first working oil pipe is connected with a first working oil port on the oil dividing valve block, the other end of the first working oil pipe is connected with a hydraulic valve opening control cavity, one end of the second working oil pipe is connected with the second working oil port on the oil dividing valve block, and the other end of the second working oil pipe is connected with the hydraulic valve opening closing control cavity;
The electric control part comprises a PLC controller, a relay, a button switch and a change-over switch, wherein the PLC controller is connected with the relay in series and then connected with the button switch in parallel and then connected with the change-over switch in series respectively;
In the automatic control mode, the manual control change-over switch is switched to the electric control part for electrifying, and the PLC in the electric control part controls the auxiliary contact of the relay to control the electrifying and the deenergizing of the electromagnetic reversing valve coil; when the electromagnetic reversing valve coil is electrified, the electromagnetic reversing valve receives a control signal of the PLC controller to control the corresponding hydraulic valve to be opened or closed;
In the manual control mode, the manual control change-over switch is switched to control the button switch to be electrified, and the manual control button switch controls the electromagnetic reversing valve coil to be electrified and powered off; when the electromagnetic reversing valve coil is electrified, the electromagnetic reversing valve receives a button switch control signal to control the corresponding hydraulic valve to be opened or closed, and when the electromagnetic reversing valve coil is disconnected, the valve position is kept unchanged, and the corresponding hydraulic valve is kept in the current state;
When the PLC fails, the PLC is automatically switched to a remote control mode, the monitoring system controls the auxiliary contact of the access relay to control the power on and power off of the electromagnetic reversing valve coil, when the electromagnetic reversing valve coil is powered on, the electromagnetic reversing valve receives a control signal of the monitoring system to control the corresponding hydraulic valve to be opened or closed, and when the electromagnetic reversing valve coil is powered off, the valve position is kept unchanged, and the corresponding hydraulic valve is kept in the current state.
When the control mode is any one of manual control and remote control, the other two control modes are in a cold standby state, and when the control mode is automatic control, the remote control mode is in a hot standby state.
And each oil pipe of the working oil pipe valve part is provided with a manual valve.
The electromagnetic reversing valve is relatively independent to the hydraulic valve control signal.
The electric control part also comprises a wiring terminal, and the wiring terminal is connected with the PLC controller in parallel and then connected with the power supply circuit in series.
The wiring terminal transmits hydraulic valve full-closing and full-opening position feedback signals to the monitoring system.
The power supply circuit comprises a switching power supply and a miniature circuit breaker, wherein the switching power supply is connected with the miniature circuit breaker in series.
The electrical control portion and the working oil pipe valve portion are placed in a standard cabinet, the electrical control portion is at the upper portion, and the working oil pipe valve portion is at the lower portion.
The standard cabinet is a standard cabinet body with the dimensions of 800mm wide, 800mm deep and 2200mm high.
The standard cabinet is provided with an indicator light, a change-over switch and a button switch.
The invention has the advantages that:
1. Compared with the prior art, the hydraulic valve control system is an electromechanical cabinet, integrates the functions of flow control, signal transmission, mechanism execution and the like aiming at the water pressure and air exhaust control requirement, can output control signals according to the flow requirement, can operate the hydraulic valve to execute specified actions, can acquire and send hydraulic valve position signals, can independently complete specific functions of the water pressure and air exhaust control flow, and eliminates the influence of other systems.
2. Compared with the prior art, the remote control system has the advantages that manual control, automatic control and remote control are adopted, the remote control not only achieves the control function of the prior technical scheme, but also can achieve the valve action test requirement in the equipment debugging process, the automatic control also independently bears the control task when the water-pressing exhaust flow is executed, and meanwhile, the remote control is used as a standby, so that the redundancy of the control function is enhanced.
3. The invention integrates the distributed electromagnetic directional valves, simplifies the arrangement of the operating oil pipelines in the factory, reduces the cost and is more convenient to operate and maintain.
Drawings
FIG. 1 is a front view of a pressurized water exhaust control apparatus;
FIG. 2 is a rear view of the pressurized water exhaust control apparatus;
FIG. 3 is a view of a cabinet door of the pressurized water exhaust control apparatus;
FIG. 4 is a side view of a portion of a hydraulic exhaust control device working oil line valve;
FIG. 5 is a perspective view of a split oil valve block of the pressurized water exhaust control apparatus;
FIG. 6 is a schematic diagram of a hydraulic valve of a pressurized water exhaust control device.
Reference numerals: the hydraulic oil system comprises an oil inlet pipeline 1, an oil return pipeline 2, a first working oil pipe 3, a second working oil pipe 4, a distributing valve block 5, an electromagnetic reversing valve 6, a hydraulic valve 7, an oil inlet bin 8, an oil outlet bin 9, a first working oil port 10, a second working oil port 11, a PLC controller 12, a relay 13, a change-over switch 14, a push button switch 15, a manual valve 16, a wiring terminal 17, a switching power supply 18, a WeChat breaker 19, a standard cabinet 20 and an indicator lamp 21.
Detailed Description
Example 1
The structure and principle of the present invention will be further described with reference to the accompanying drawings:
The water pumping and exhausting control device of the pumped storage unit comprises an electric control part, a working oil pipe valve part, an oil inlet pipeline 1, an oil return pipeline 2 and an oil dividing valve block 5, wherein the working oil pipe valve part is at least six sets, the working oil pipe valve part comprises a first working oil pipe 3, a second working oil pipe 4, an electromagnetic reversing valve 6 and a hydraulic valve 7, one electromagnetic reversing valve 6 correspondingly controls the hydraulic valve 7, an oil inlet bin 8 and an oil return bin 9 are arranged in the oil dividing valve block 5, the electromagnetic reversing valve 6 is arranged on the oil dividing valve block 5 and is respectively communicated with the oil inlet bin 8 and the oil outlet bin 9, one end of the oil inlet pipeline 1 is connected to a pressure oil tank, the other end of the oil return pipeline 2 is communicated with the oil outlet bin 9 on the oil dividing valve block 5, the other end of the oil return pipeline 1 is connected to the oil return tank, one end of the first working oil pipe 3 is connected with a first working oil port 10 on the oil dividing valve block 5, the other end of the electromagnetic reversing valve is connected with a hydraulic valve opening control cavity, one end of the second working oil 4 is connected with a second working oil port 11 on the oil dividing valve block 5, and the other end of the electromagnetic reversing valve is connected with a hydraulic valve opening control cavity;
The electrical control part comprises a PLC (programmable logic controller) 12, a relay 13, a button switch 15 and a change-over switch 14, wherein the PLC 12 is connected with the relay 13 in series and then connected with the button switch 15 in parallel and then respectively connected with the change-over switch 14 in series;
In the automatic control mode, the manual control change-over switch 14 is switched to an electric control part for electrifying, wherein a PLC (programmable logic controller) 12 in the electric control part controls a relay 13 to assist a contact to control the coil of the electromagnetic directional valve 6 to electrify and cut off;
In the manual control mode, the manual control change-over switch 14 is switched to control the button switch 15 to be electrified, and the manual control button switch 15 controls the coil of the electromagnetic directional valve 6 to be electrified and disconnected; when the coil of the electromagnetic directional valve 6 is electrified, the electromagnetic directional valve 6 receives a control signal of a button switch 15 to control the corresponding hydraulic valve 7 to be opened or closed, and when the coil of the electromagnetic directional valve 6 is disconnected, the valve position is kept unchanged, and the corresponding hydraulic valve 7 is kept in the current state;
When the PLC fails, the PLC is automatically switched to a remote control mode, the monitoring system is controlled to be connected with the auxiliary contact of the relay 13 to control the coil of the electromagnetic directional valve 6 to be electrified and powered off, when the coil of the electromagnetic directional valve 6 is electrified, the electromagnetic directional valve 6 receives a control signal of the monitoring system to control the corresponding hydraulic valve 7 to be opened or closed, and when the coil of the electromagnetic directional valve 6 is powered off, the valve position is kept unchanged, and the corresponding hydraulic valve 7 is kept in a current state.
When the control mode is any one of manual control and remote control, the other two control modes are in a cold standby state, and when the control mode is automatic control, the remote control mode is in a hot standby state.
Each of the tubing of the working tubing valve portion is provided with a manual valve 16.
The electromagnetic directional valve 5 is relatively independent to the control signal of the hydraulic valve.
The electric control part also comprises a wiring terminal 17, and the wiring terminal 17 is connected with the PLC 12 in parallel and then connected with a power supply circuit in series.
The connection terminal 17 transmits the fully closed and fully open position feedback signals of the hydraulic valve 7 to the monitoring system.
The power supply circuit comprises a switching power supply 18 and a miniature circuit breaker 19, wherein the switching power supply 18 is connected with the miniature circuit breaker 19 in series.
The electrical control section and the working oil pipe valve section are placed in a standard cabinet 20, with the electrical control section being in the upper portion and the working oil pipe valve section being in the lower portion.
The standard cabinet 20 is a standard cabinet body with dimensions of 800mm wide, 800mm deep and 2200mm high.
The standard cabinet 20 is provided with an indicator lamp 21, a change-over switch 14 and a push-button switch 15, and the indicator lamp, the change-over switch and the push-button switch 15 are arranged on the standard cabinet 20.
Example 2
As shown in fig. 1-4, the pump storage unit pressurized water exhaust control device of the present invention employs an electromechanical cabinet, i.e., an electrical control section and a working oil pipe valve section are housed in a single standard cabinet 20.
The standard cabinet 20 with the thickness of 800mm multiplied by 2200mm (width multiplied by depth multiplied by height) is used as a carrier, the upper half part in the cabinet is an electric control part, the lower half part in the cabinet is a working oil pipe valve part, the electric control part mainly comprises a PLC (programmable logic controller) 12, a relay 13, a wiring terminal 17, a miniature circuit breaker 19, a switching power supply 18 and other low-voltage electrical appliance elements which are connected in series, and the working oil pipe valve part mainly comprises an electromagnetic directional valve 6, a hydraulic valve 7, an oil distributing valve block 5, a manual valve 16 and other devices.
The door plate of the cabinet door is provided with an indicator lamp 21, the hydraulic valve 7 feeds back a signal when in a full-open or full-closed position, the corresponding indicator lamp is lightened, the valve position state of the hydraulic valve 7 is displayed, and the hydraulic valve 7 is positioned on the part in a pressurized water exhaust work factory. The upper half part in the cabinet is provided with piezoelectric elements to form a control loop, and the coil actions of the different electromagnetic directional valve 6 are controlled by the PLC 12. The lower half part in the cabinet is provided with an oil distributing valve block 5, and an electromagnetic reversing valve pipeline is formed by the oil distributing valve block 5, an electromagnetic reversing valve 6 and a hydraulic valve 7. All the electromagnetic directional valve pipelines share an oil inlet pipeline 1 and an oil return pipeline 2, the first working oil port 10 and the second working oil port 11 are respectively connected to a hydraulic valve control cavity in a factory through pipelines, each hydraulic valve 7 independently controls one pipeline through signals of the corresponding electromagnetic directional valve 6 and forms a complete loop of a pressure oil tank-an oil inlet-an electromagnetic directional valve-a hydraulic valve-an electromagnetic directional valve-an oil return port-an oil return tank, and the electromagnetic directional valve 6 can only control the hydraulic valve 7 of the corresponding pipeline.
The water-pressing and air-exhausting control cabinet can realize the control of manually controlling the opening and closing of the corresponding hydraulic valve 7 of each electromagnetic directional valve 6 through the button switch 15, and the function can be used for the debugging work of the hydraulic valve 7 and the control mechanism.
During automatic control, a PLC controller is used as a core, a relay is used as a signal expansion and logic actuator, an IO module is controlled by a control flow program built in the PLC controller, the IO module outputs a signal to control the action of the relay, and then an auxiliary contact of the relay controls the on-off of a coil corresponding to the electromagnetic reversing valve, so that the action of the electromagnetic reversing valve controlled by the PLC controller according to the flow is realized.
The change-over switch in the electric control part can select a circuit for controlling the on-off of the electromagnetic reversing valve coil in a mode of switching the circuit, and the circuit has three types of selection, namely three control modes, namely an automatic control mode, wherein the mode is selected for the normal operation stage of the equipment, an auxiliary contact of a relay controlled by the PLC is used as an on-off switch of the electromagnetic reversing valve coil, when the electromagnetic reversing valve coil is electrified, the electromagnetic reversing valve controls the corresponding hydraulic valve to be opened or closed according to a control signal of the PLC, and when the electromagnetic reversing valve is powered off, the corresponding hydraulic valve keeps the current opened or closed state.
The manual control mode is selected in the equipment debugging stage, a button switch on a cabinet door panel is used as a switch for switching on and off a solenoid directional valve coil, the number of the solenoid directional valve corresponding to the button switches on the cabinet door panel is two, the solenoid directional valve is respectively and correspondingly electrified and switched off, when the electrified button switch is pressed, the solenoid directional valve coil is electrified, the solenoid directional valve controls the corresponding hydraulic valve to be switched on and off, and when the power-off button switch is pressed, the solenoid directional valve is powered off, the corresponding hydraulic valve keeps the current open or closed state.
The remote control mode is selected when automatic control fails, an auxiliary contact of a relay controlled by a control contact of the monitoring system is selected as a switch for switching on and off the electromagnetic reversing valve coil, and when the automatic control mode is adopted, the remote control mode is automatically switched to by a mode of closing a circuit contact once the PLC controller is switched off and fails, when the remote monitoring system controls the electromagnetic reversing valve coil to be electrified, the electromagnetic reversing valve is controlled to be opened or closed corresponding to the hydraulic valve, and when the remote monitoring system controls the electromagnetic reversing valve to be powered off, the corresponding hydraulic valve is kept in a current full-open or full-closed state.
The signal transmission of the PLC is completed through a hard joint transmission mode and a serial communication transmission mode, the hard joint transmission mode is used for collecting all closed and fully opened position feedback signals of all hydraulic valves, each signal is subjected to signal expansion through a relay, one group of auxiliary contacts of the relay are sent to the PLC as input signals of a control flow, and the other group of auxiliary contacts of the relay are sent to a monitoring system through a wiring terminal. The communication transmission mode is that the PLC receives signals input by the auxiliary contacts of the relay, and is connected with the monitoring system through an RJ45 interface on the PLC using an RS485 communication protocol, so that the fully-closed and fully-opened position feedback signals of each hydraulic valve are converted into communication words to be communicated with the monitoring system.
The invention uses a PLC controller of SCHNEIDER M or M580 series PLC or SIEMENS 7-1200 or S7-1500 series PLC, and the electromagnetic reversing valve is a two-position four-way double-coil electromagnetic reversing valve.
Claims (10)
1. The pressurized water exhaust control device of the pumped storage unit is characterized by comprising an electric control part, a working oil pipe valve part, an oil inlet pipeline (1), an oil return pipeline (2) and an oil distribution valve block (5), wherein the working oil pipe valve part is at least six sets, the working oil pipe valve part comprises a first working oil pipe (3), a second working oil pipe (4), an electromagnetic reversing valve (6) and a hydraulic valve (7), one electromagnetic reversing valve (6) correspondingly controls one hydraulic valve (7), an oil inlet bin (8) and an oil return bin (9) are arranged in the oil distribution valve block (5), the electromagnetic reversing valve (6) is arranged on the oil distribution valve block (5) and is respectively communicated with the oil inlet bin (8) and the oil outlet bin (9), one end of the oil inlet pipeline (1) is connected to the pressure oil tank, the other end of the oil return pipeline (2) is communicated with the oil outlet bin (9) on the oil distribution valve block (5), the other end of the oil return pipeline (1) is connected to the oil return tank, the first working oil pipe (3) is connected to the oil distribution valve block (5), the other end of the hydraulic valve (4) is connected to the hydraulic valve block (5), and the other end of the hydraulic valve (4) is connected to the hydraulic valve (11);
The electric control part comprises a PLC (programmable logic controller) 12, a relay 13, a button switch 15 and a change-over switch 14, wherein the PLC 12 is connected with the relay 13 in series and then connected with the button switch 15 in parallel and then connected with the change-over switch 14 in series respectively, the button switch 15 is electrically connected with the electromagnetic directional valve 6, and an auxiliary contact of the relay 13 is electrically connected with the electromagnetic directional valve 6;
When the coil of the electromagnetic reversing valve (6) is electrified, the electromagnetic reversing valve (6) receives a control signal of the PLC (12) to control the corresponding hydraulic valve (7) to be opened or closed, and when the coil of the electromagnetic reversing valve (6) is powered off, the valve position is kept unchanged, and the corresponding hydraulic valve (7) is kept in the current state;
when the coil of the electromagnetic reversing valve (6) is electrified, the electromagnetic reversing valve (6) receives a control signal of the button switch (15) to control the corresponding hydraulic valve (7) to be opened or closed, and when the coil of the electromagnetic reversing valve (6) is powered off, the valve position is kept unchanged, and the corresponding hydraulic valve (7) is kept in the current state;
When the PLC fails, the PLC is automatically switched to a remote control mode, a monitoring system is controlled to be connected with an auxiliary contact of a relay (13) to control the coil of the electromagnetic directional valve (6) to be electrified and powered off, when the coil of the electromagnetic directional valve (6) is electrified, the electromagnetic directional valve (6) receives a control signal of the monitoring system to control the corresponding hydraulic valve (7) to be opened or closed, and when the coil of the electromagnetic directional valve (6) is powered off, the valve position is kept unchanged, and the corresponding hydraulic valve (7) is kept in a current state.
2. The pressurized water and exhaust control device of a pumped storage unit according to claim 1, wherein the other two control modes are in a cold standby state when in any one of manual control and remote control, and the remote control mode is in a hot standby state when in automatic control.
3. A water pumping and exhausting control device for a water pumping and accumulating unit according to claim 1, wherein the manual valve (16) is arranged on each oil pipe of the valve part of the working oil pipe.
4. The device for controlling the pressurized water and the exhaust of the pumped storage unit according to claim 1, wherein the electromagnetic directional valve (5) is relatively independent to a hydraulic valve control signal.
5. The water pumping and energy storage unit water pressure exhaust control device according to claim 1, wherein the electric control part further comprises a wiring terminal (17), and the wiring terminal (17) is connected with the PLC (12) in parallel and then connected with a power supply circuit in series.
6. A control device for the pressurized water and the exhaust of a pumped storage unit according to claim 5, wherein the connecting terminal (17) transmits the feedback signals of the fully closed and the fully opened positions of the hydraulic valve (7) to a monitoring system.
7. The pumping and energy storage unit water pressure exhaust control device according to claim 5, wherein the power supply circuit comprises a switching power supply (18) and a miniature circuit breaker (19), and the switching power supply (18) is connected in series with the miniature circuit breaker (19).
8. A pumped-storage unit pressurized water discharge control apparatus as set forth in claim 1, wherein said electrical control section and said working oil pipe valve section are placed in a standard cabinet (20), said electrical control section being in an upper portion and said working oil pipe valve section being in a lower portion.
9. The pressurized water and air exhaust control device of a pumped storage unit according to claim 8, wherein the standard cabinet (20) is a standard cabinet body with the dimensions of 800mm wide, 800mm deep and 2200mm high.
10. The device for controlling the pressurized water and the exhaust of the pumped storage unit according to claim 8, wherein the standard cabinet (20) is provided with an indicator lamp (21), a change-over switch (14) and a push-button switch (15), and the indicator lamp, the change-over switch and the push-button switch are arranged on the standard cabinet (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411515139.XA CN119222218A (en) | 2024-10-29 | 2024-10-29 | A pumped storage unit water pressure exhaust control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411515139.XA CN119222218A (en) | 2024-10-29 | 2024-10-29 | A pumped storage unit water pressure exhaust control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119222218A true CN119222218A (en) | 2024-12-31 |
Family
ID=94047197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411515139.XA Pending CN119222218A (en) | 2024-10-29 | 2024-10-29 | A pumped storage unit water pressure exhaust control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119222218A (en) |
-
2024
- 2024-10-29 CN CN202411515139.XA patent/CN119222218A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203297725U (en) | Pneumatic single-action control valve hand-operated and automatic control system | |
| CN201187617Y (en) | Valve electric device | |
| CN119222218A (en) | A pumped storage unit water pressure exhaust control device | |
| CN202196301U (en) | Power station seepage drainage intelligence control system | |
| CN210605450U (en) | Motor control undisturbed switching system | |
| CN211059424U (en) | Intelligent pipeline pressure control valve | |
| CN204940427U (en) | Power station life fire fighting supply intelligence control system | |
| CN204102785U (en) | A kind of novel single ground connection high voltage isolator | |
| CN202909569U (en) | Multifunctional impulse jetting soot cleaning control device | |
| CN214225287U (en) | Automatic fault diagnosis system for electric valve in electric system | |
| CN219266807U (en) | Device for remotely switching and controlling pipeline electric valve | |
| CN216412900U (en) | Three-position switch operating mechanism | |
| CN213870214U (en) | Modular redundancy control device for electric control system of integrated sewage pump station | |
| CN114620214B (en) | Electrical control system and method based on rotary vane steering engine | |
| CN204117936U (en) | A kind of novel single ground connection high voltage isolating switch operating mechanism case | |
| CN104332349B (en) | Intelligent pair of ground connection high voltage isolating switch operating mechanism case | |
| CN219976144U (en) | Spare power air source device of three-way valve and water seal check valve | |
| CN102908835B (en) | Multi-functional pulse-jet ash removal control device | |
| CN219529370U (en) | Integrated fan controller | |
| CN222185965U (en) | On-site control valve box for photoresist industry | |
| CN209229956U (en) | It is a kind of suitable for central air conditioner system blower, the energy-saving control cabinet of water pump | |
| CN215763568U (en) | Automatic spraying control system of coal mine hydraulic machinery | |
| CN221039845U (en) | Valve control circuit of thermal power plant | |
| JPS6284308A (en) | Manual operation device with display device | |
| CN218410046U (en) | Group control type regional energy device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |