A booster system of a leakage detection device for a speed regulation system of a hydroelectric generator set

Abstract

The utility model provides a kind of water turbine generator set speed regulating system leak detection device's pressurizing system, including main pressurizing component, spare pressurizing component, branch pipeline component and oil return component;Branch pipeline component is connected with main pressurizing component and spare pressurizing component respectively;Main pressurizing component includes the servo pump station for connecting pressurizing pipeline component, and the output pipe of pressurizing pipeline component is connected with main pipeline;The output pipe of spare pressurizing component is butt jointed with pressurizing pipeline component, and spare pressurizing component is used to pressurize pressurizing pipeline component in emergency state;Branch pipeline component is equipped with electric valve for switching connection main pressurizing component or spare pressurizing component.This application has the advantages of avoiding detection failure or system shutdown caused by insufficient pressure, improving the safety and detection continuity of the entire hydraulic detection system, facilitating routine maintenance and troubleshooting, and providing a good foundation for remote control and automatic operation of the system.

Description

Technical Field

[0001] This utility model relates to the field of visibility meters, and in particular to a pressurization system for a leak detection device in a hydro-generator speed regulation system. Background Technology

[0002] With the rapid development of my country's economy, hydro-generator units have become increasingly important in the power system. As a key component, the speed regulation system of hydro-generator units directly affects the operational safety of the entire power system. In the leak detection device of the hydro-generator unit speed regulation system, the booster system plays a crucial role, providing a stable operating pressure to ensure the accuracy of leak detection.

[0003] Existing pressurization systems are relatively simple. Under normal operating conditions, these systems can meet the pressure requirements of leak detection devices. However, when a malfunction occurs, the pressurization system cannot provide sufficient pressure, causing the leak detection device to malfunction and lacking emergency response capabilities. Once a malfunction occurs, it is impossible to quickly take measures to increase the pressure.

[0004] Therefore, a booster system for a leak detection device in a hydro-generator speed control system is needed to improve the above-mentioned problems. Utility Model Content

[0005] The main purpose of this utility model is to provide a booster system for a leak detection device in a hydro-generator speed regulation system, thereby solving the problem of continuous stability of the booster system.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: A pressurization system for a leak detection device in a hydro-generator speed regulation system includes a main pressurization component, a standby pressurization component, a branch pipeline component, and a return oil component; The branch piping assemblies are connected to the main booster assembly and the backup booster assembly, respectively. The main booster assembly includes a servo pump station for connecting to the booster piping assembly, and the output pipe of the booster piping assembly is connected to the main pipeline; The output pipe of the backup booster assembly is connected to the booster pipeline assembly. The backup booster assembly is used to boost the pressure of the booster pipeline assembly in an emergency. The branch piping assembly is equipped with an electric valve for switching between the main booster assembly and the standby booster assembly.

[0007] In the preferred embodiment, the booster pipeline assembly includes a first inlet pipe and an outlet pipe. The inlet filter is connected to the servo pump station through the first inlet pipe. The output end of the servo pump station is connected to the outlet pipe, and the outlet pipe is also connected to a hydraulic directional valve.

[0008] In the preferred embodiment, the backup booster assembly includes a pneumatic oil pump and an accumulator. The pneumatic oil pump is connected to an oil manifold via an oil supply pipe, and the oil inlet filter is connected to the oil manifold via a second oil inlet pipe.

[0009] In the preferred embodiment, the branch pipeline assembly is connected to the oil circuit block, the hydraulic directional valve, the return oil assembly, the booster oil inlet pipe, and the control oil circuit outlet pipe, respectively.

[0010] In the preferred embodiment, the oil return assembly includes a high-pressure oil return filter, a plate cooler, an oil return inlet pipe, and an oil return pipeline. Multiple high-pressure oil return filters are spaced apart, and each high-pressure oil return filter is connected in series by an oil return pipeline. The plate cooler and the hydraulic directional valve are respectively connected to the two ends of the oil return pipeline. The output end of the plate cooler is connected to the oil inlet filter through the oil return inlet pipe.

[0011] In the preferred embodiment, the booster oil inlet pipe is connected to the main pipeline.

[0012] In the preferred embodiment, the branch pipeline assembly includes a first connecting pipe, a second connecting pipe, a third connecting pipe, and an electric valve. The first connecting pipe, the second connecting pipe, and the third connecting pipe are all connected to the electric valve. The first connecting pipe has three sections, one of which is connected to the booster oil inlet pipe, and the other two are respectively connected to the control oil circuit drain pipe. The second connecting pipe is connected to the oil circuit block, and the third connecting pipe is connected to the hydraulic directional valve.

[0013] In the preferred embodiment, each first connecting pipe is connected to an energy storage device.

[0014] In the preferred embodiment, high-pressure shut-off valves are installed on the booster oil inlet pipe and the control oil circuit drain pipe.

[0015] The beneficial effects of this utility model are as follows: 1. Under normal operating conditions, the main booster unit provides stable pressure, while in case of emergencies, it can be quickly switched to the backup booster unit to ensure continuous and stable pressure supply to the system and effectively avoid detection failure or system shutdown due to insufficient pressure. 2. The backup booster unit can quickly intervene when the main booster system fails or the pressure is insufficient, providing continuous and stable high-pressure oil support to the system, ensuring that critical equipment can still work normally in emergency situations, thereby improving the safety and continuity of the entire hydraulic testing system; 3. The coordinated operation of the oil circuit block, branch pipeline components and electric valves enables intelligent switching and multi-path control of the main and backup booster systems. The compact structure and clear functional zoning not only facilitate daily maintenance and troubleshooting, but also provide a good foundation for remote control and automated operation of the system. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 This is a side view of the overall structure of this utility model; Figure 2 This is another side view of the overall structure of this utility model.

[0017] In the diagram: 1. Inlet filter; 2. Main booster assembly; 201. Servo pump station; 202. Booster pipeline assembly; 2021. First inlet pipe; 2022. Outlet pipe; 3. Backup booster assembly; 301. Pneumatic oil pump; 302. Accumulator; 4. Branch pipeline assembly; 401. First connecting pipe; 402. Second connecting pipe; 403. Third connecting pipe; 404. Electric valve; 5. Return oil assembly; 501. High-pressure return oil filter; 502. Plate cooler; 503. Return oil inlet pipe; 504. Return oil pipeline; 6. Second inlet pipe; 7. Oil delivery pipe; 8. Hydraulic directional valve; 9. Manifold block; 10. Booster inlet pipe; 11. Control oil circuit drain pipe; 12. High-pressure shut-off valve. Detailed Implementation

[0018] Example 1 like Figure 1-2 As shown, a pressurization system for a leak detection device in a hydro-generator speed regulation system uses an inlet filter 1 as the main filtration component, which plays a primary role in filtering the oil. The oil first enters the inlet filter 1 from the main pipeline and undergoes preliminary filtration. The inlet filter 1 is connected to a main pressurization assembly 2 and a backup pressurization assembly 3. The main pressurization assembly 2 primarily pressurizes the inside of the inlet filter 1, while the backup pressurization assembly 3 serves as a backup pressurization structure for the inlet filter 1, preventing insufficient pressure inside the inlet filter 1 in case of unforeseen circumstances with the main pressurization assembly 2. The servo pump station 201 in the main pressurization assembly 2 is directly connected to the pressurization pipeline assembly 202. A branch pipeline assembly 4 is connected to the inlet filter 1, and the branch pipeline assembly 4 is used to connect the various components in series. A return oil assembly 5 connects the pressurization pipeline assembly 202 and the inlet filter 1. The return oil assembly 5 is mainly used to return the oil from the filtration system to the oil tank and remove contaminants generated during system operation, serving as the second line of defense for the filtration system in controlling contaminants.

[0019] The booster pipeline assembly 202 includes two first oil inlet pipes 2021 and an oil outlet pipe 2022. The outlet end of the oil inlet filter 1 is connected to the inlet end of the servo pump station 201 through the first oil inlet pipe 2021 to ensure that the oil entering the servo pump station 201 has undergone preliminary filtration to prevent impurities from entering the high-pressure system. The servo pump station 201 acts as the main power source, boosting the oil and outputting it through the oil outlet pipe 2022. The oil outlet pipe 2022 is also connected to a hydraulic directional valve 8, which is used to control the flow direction of the high-pressure oil, thereby controlling the delivery direction of the oil.

[0020] The backup booster assembly 3 includes a pneumatic oil pump 301 and an accumulator 302. The pneumatic oil pump 301 is connected to the oil circuit block 9 via an oil supply pipe 7. The backup booster assembly 3 can provide backup power when the main booster assembly 2 fails or when emergency boosting is required. The inlet filter 1 is connected to the oil circuit block 9 via a second inlet pipe 6. The inlet filter 1 can prevent impurities from entering the backup booster assembly 3 and ensure the cleanliness of the oil entering the backup booster assembly 3.

[0021] Branch piping assembly 4 connects to hydraulic manifold block 9, hydraulic directional valve 8, return oil assembly 5, booster inlet pipe 10, and control oil circuit drain pipe 11. Branch piping assembly 4 includes a first connecting pipe 401, a second connecting pipe 402, a third connecting pipe 403, and an electric valve 404. The first connecting pipe 401, second connecting pipe 402, and third connecting pipe 403 are connected to the electric valve 404 via a tee thread. There are three of each of the first connecting pipes 401, second connecting pipe 402, third connecting pipe 403, and electric valve 404, with the electric valves 404 arranged parallel and spaced apart. One of the first connecting pipes 401 connects to the booster inlet pipe 10, and the other two connect to the control oil circuit drain pipe 11. Each first connecting pipe 401 is individually connected to an accumulator 302, enabling centralized management and release of pressure energy. By properly using the accumulator 302, the performance and efficiency of the hydraulic system can be significantly improved, its operating and maintenance costs reduced, and the failures of pumps, pipes, and other hydraulic components decreased, thereby extending the overall service life of the hydraulic system.

[0022] The oil return assembly 5 is responsible for filtering and cooling the high-temperature, contaminated oil after system use, and then returning it to the oil tank for reuse. The oil return assembly 5 includes a high-pressure oil return filter 501, a plate cooler 502, an oil return inlet pipe 503, and an oil return line 504. Multiple high-pressure oil return filters 501 are connected in series via the oil return line 504 to ensure that the returned oil undergoes multi-stage filtration before returning, removing wear particles, impurities, and other contaminants from the oil. The plate cooler 502 and the hydraulic directional valve 8 are connected to the two ends of the oil return line 504, respectively. The plate cooler 502 is used to reduce the oil temperature and prevent system overheating. The output end of the plate cooler 502 is connected to the inlet filter 1 via the oil return inlet pipe 503, completing the oil circulation loop.

[0023] The booster inlet pipe 10 delivers the high-pressure oil output from the main booster assembly to the main pipeline, providing power to the main actuator. The control oil drain pipe 11 is used to return or discharge the oil in the control circuit, ensuring the stability and responsiveness of the system control circuit. High-pressure shut-off valves 12 are installed on both the booster inlet pipe 10 and the control oil drain pipe 11 to quickly cut off the oil circuit during maintenance or emergencies, ensuring system safety.

[0024] The implementation principle of this embodiment is as follows: Oil is drawn from the oil tank, filtered by the inlet filter 1, and then enters the main booster assembly 2 and the standby booster assembly 3. The servo pump station 201 in the main booster assembly 2 pressurizes the oil and then delivers it to the hydraulic directional valve 8 through the outlet pipe 2022. The standby booster assembly 3 starts when the main system fails or the pressure is insufficient, connecting the standby high-pressure oil to the system through the oil circuit block 9. The branch pipeline assembly 4 uses electric valves 404 to achieve intelligent control of multiple pipelines, coordinating the switching and collaboration between the main and standby systems. Oil used by the system returns to the oil tank through the return oil assembly 5, is filtered by the high-pressure return oil filter 501 and cooled by the plate cooler 502, and then re-enters the inlet filter 1, forming a closed-loop circulation. The high-pressure shut-off valve 12 cuts off the oil circuit when necessary, ensuring system maintenance and operational safety.

[0025] The above embodiments are merely preferred technical solutions of this utility model and should not be considered as limitations on this utility model. The protection scope of this utility model should be the technical solution described in the claims, including equivalent substitutions of the technical features described in the claims. That is, equivalent substitutions and improvements within this scope are also within the protection scope of this utility model.

Claims

1. A pressurization system for a leak detection device in a hydro-generator speed regulation system, characterized in that, It includes the main booster assembly (2), the backup booster assembly (3), the branch pipeline assembly (4), and the return oil assembly (5); The branch pipeline assembly (4) is connected to the main booster assembly (2) and the standby booster assembly (3) respectively; The main booster assembly (2) includes a servo pump station (201) for connecting to the booster pipeline assembly (202), and the output pipe of the booster pipeline assembly (202) is connected to the main pipeline; The output pipe of the backup booster assembly (3) is connected to the booster pipeline assembly (202). The backup booster assembly (3) is used to boost the pressure of the booster pipeline assembly (202) in an emergency. The branch piping assembly (4) is equipped with an electric valve (404) for switching the connection between the main booster assembly (2) and the standby booster assembly (3).

2. The booster system of the leak detection device for the speed regulation system of a hydro-generator set according to claim 1, characterized in that, The booster pipeline assembly (202) includes a first inlet pipe (2021) and an outlet pipe (2022). The inlet filter (1) is connected to the servo pump station (201) through the first inlet pipe (2021). The output end of the servo pump station (201) is connected to the outlet pipe (2022), and the outlet pipe (2022) is also connected to a hydraulic directional valve (8).

3. The pressurized system of the leakage detection device of the speed regulation system of a hydroelectric generator set according to claim 1, characterized in that, The backup booster assembly (3) includes a pneumatic oil pump (301) and an accumulator (302). The pneumatic oil pump (301) is connected to an oil circuit block (9) via an oil supply pipe (7). The oil inlet filter (1) is connected to the oil circuit block (9) via a second oil inlet pipe (6).

4. The booster system of the leak detection device for the speed regulation system of a hydro-generator set according to claim 1, characterized in that, The branch pipeline assembly (4) is connected to the oil circuit block (9), the hydraulic directional valve (8), the return oil assembly (5), the booster oil inlet pipe (10), and the control oil circuit drain pipe (11), respectively.

5. The pressurization system of the leak detection device for the speed regulation system of a hydro-generator set according to claim 1, characterized in that, The oil return assembly (5) includes a high-pressure oil return filter (501), a plate cooler (502), an oil return inlet pipe (503), and an oil return line (504). Multiple high-pressure oil return filters (501) are provided at intervals. Each high-pressure oil return filter (501) is connected in series by an oil return line (504). The plate cooler (502) and the hydraulic directional valve (8) are respectively connected to the two ends of the oil return line (504). The output end of the plate cooler (502) is connected to the oil inlet filter (1) through the oil return inlet pipe (503).

6. The pressurization system of the leak detection device for the speed regulation system of a hydro-generator set according to claim 4, characterized in that, The booster oil inlet pipe (10) is connected to the main pipeline.

7. The booster system of the leak detection device for the speed regulation system of a hydro-generator set according to claim 4, characterized in that, The branch pipeline assembly (4) includes a first connecting pipe (401), a second connecting pipe (402), a third connecting pipe (403), and an electric valve (404). The first connecting pipe (401), the second connecting pipe (402), and the third connecting pipe (403) are all connected to the electric valve (404). The first connecting pipe (401) has three parts, one of which is connected to the booster oil inlet pipe (10), and the other two are connected to the control oil circuit drain pipe (11) respectively. The second connecting pipe (402) is connected to the oil circuit block (9), and the third connecting pipe (403) is connected to the hydraulic directional valve (8).

8. The pressurization system of the leak detection device for the speed regulation system of a hydro-generator set according to claim 7, characterized in that, Each first connecting pipe (401) is connected to an accumulator (302).

9. The booster system of the leak detection device for the speed regulation system of a hydro-generator set according to claim 7, characterized in that, High pressure shut-off valves (12) are provided on the booster oil inlet pipe (10) and the control oil circuit drain pipe (11).

Images