Intelligent detection device for distinguishing oil and water leakage of impulse unit spray needle

By installing an oil-water separation sensor and a multi-sensor intelligent detection device at the nozzle of the impact unit, the problem that traditional detection methods cannot distinguish between oil and water leaks is solved, enabling rapid and accurate differentiation of oil and water leaks, and improving the stability of equipment operation and detection efficiency.

CN224471245UActive Publication Date: 2026-07-07JINPING GUONENG ELECTRIC METALLURGY DEV CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JINPING GUONENG ELECTRIC METALLURGY DEV CO LTD
Filing Date
2025-07-11
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Traditional detection methods cannot distinguish between oil and water leaks in the nozzles of impact generator units in a timely and accurate manner, leading to equipment failure, environmental pollution, or waste of resources.

Method used

An intelligent detection device composed of an oil-water separation sensor, a float-type oil level sensor, a viscosity sensor, a flow sensor, and a conductivity sensor can distinguish and measure the type, flow rate, and conductivity of oil and water through methods such as capacitance value change, float principle, vibration frequency change, and current detection, thereby achieving automated detection.

Benefits of technology

It enables rapid and accurate differentiation between oil leaks and water leaks, preventing oil from entering the water treatment system or water from entering the oil treatment system, thus improving the stability and safety of equipment operation and enhancing detection efficiency and reliability.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to a kind of for impact unit spray needle oil leakage and water leakage area distinction intelligent detection device, belong to hydroelectric equipment detection technical field, including base, fixed installation in the water turbine unit main body of base top and fixed intercommunication in the spray needle seat of water turbine unit main body top, the outside of the spray needle seat is provided with oil-water separation device, the bottom of the spray needle seat is provided with oil path detection device.The for impact unit spray needle oil leakage and water leakage area distinction intelligent detection device, by setting oil path detection device using float type oil level sensor and viscosity sensor, oil level height and oil viscosity can be accurately measured, by setting waterway detection device using flow sensor and conductivity sensor, the flow and conductivity of water can be accurately measured, help to find potential problems and maintain in time, improve detection efficiency and reliability.
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Description

Technical Field

[0001] This utility model relates to the field of hydropower equipment testing technology, specifically to an intelligent detection device for differentiating oil and water leaks in impact generator nozzles. Background Technology

[0002] An impulse turbine is a hydraulic prime mover that uses high-speed water flow to impact the runner blades to drive the runner to rotate and do work. The nozzle is one of the key components of the impulse turbine unit, used to control the amount and direction of water jet.

[0003] During the operation of impact turbine units, oil or water leaks may occur at the nozzle. Traditional detection methods often fail to distinguish between oil and water leaks in a timely and accurate manner, leading to an inability to take targeted measures and potentially causing equipment failure and environmental pollution. If an oil leak is mistakenly treated as a water leak, oil may enter the water treatment system, affecting its normal operation; conversely, if a water leak is mistakenly treated as an oil leak, it will result in resource waste and improper handling. Therefore, an intelligent detection device for differentiating between oil and water leaks at the nozzle of impact turbine units is proposed to address the aforementioned problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an intelligent detection device for differentiating between oil and water leaks in impact-type generator units. This device has the advantages of accurately distinguishing between oil and water leaks and solves the problems mentioned in the background.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An intelligent detection device for distinguishing between oil and water leakage of the nozzle of an impact turbine unit includes a base, a turbine body fixedly installed on the top of the base, and a nozzle holder fixedly connected to the top of the turbine body. An oil-water separation device is provided on the outside of the nozzle holder, and an oil circuit detection device is provided at the bottom of the nozzle holder.

[0007] The oil-water separation device includes a connector fixedly connected to the outside of the nozzle seat and a telescopic tube fixedly connected to the outside of the connector. A guide tube is fixedly connected to the bottom of the connector, and an oil-water separation sensor is fixedly installed at the bottom of the guide tube.

[0008] The oil circuit detection device includes a first delivery pipe fixedly connected to one side of the oil-water separation sensor and a float-type oil level sensor fixedly installed on the top of the base. A piston cylinder is fixedly connected to the bottom of the first delivery pipe. A stopper plate is slidably connected inside the piston cylinder. A stopper rod is fixedly connected to the bottom of the stopper plate. A viscosity sensor is fixedly installed inside the stopper plate.

[0009] Furthermore, the telescopic tube is sleeved on the outside of the nozzle seat, and the outer diameter of the nozzle seat is adapted to the inner diameter of the telescopic tube.

[0010] Furthermore, a sealing gasket is fixedly connected to the outside of the plug plate, and the outer diameter of the plug plate is adapted to the inner diameter of the piston cylinder.

[0011] Furthermore, the piston rod is slidably connected inside the piston cylinder and extends to its outside, with the bottom end of the piston rod abutting against the top of the float-type oil level sensor.

[0012] Furthermore, a return spring is fixedly connected between the stopper plate and the piston cylinder, the return spring is connected to the outside of the stopper rod, and an oil drain pipe is fixedly connected to the outside of the piston cylinder.

[0013] Furthermore, a water path detection device is provided on the outside of the oil-water separation sensor. The water path detection device includes a second delivery pipe fixedly connected to the other side of the oil-water separation sensor. The bottom of the second delivery pipe is fixedly connected to an installation cylinder. An installation shell is fixedly connected inside the installation cylinder. An impeller is rotatably connected inside the installation shell.

[0014] Furthermore, a flow sensor is fixedly installed at the shaft center of the impeller, and the flow sensor and the impeller rotate synchronously and are connected inside the mounting cylinder.

[0015] Furthermore, a conductivity sensor is fixedly installed on the inner bottom wall of the mounting cylinder, and a drain pipe is fixedly connected to the outside of the mounting cylinder.

[0016] Compared with the prior art, this utility model provides an intelligent detection device for distinguishing between oil and water leaks in impact-type generator nozzles, which has the following beneficial effects:

[0017] 1. This intelligent detection device for distinguishing between oil and water leaks in impact generator nozzles can quickly and accurately detect whether the leaking liquid is oil or water through an oil-water separation sensor. This avoids the problem of mishandling caused by the inability of traditional methods to accurately distinguish between them, effectively preventing oil from entering the water treatment system or water from entering the oil treatment system, and improving the stability and safety of equipment operation.

[0018] 2. This intelligent detection device for differentiating oil and water leaks in impact-type generator nozzles uses a float-type oil level sensor and a viscosity sensor in the oil circuit detection device to accurately measure oil level and viscosity. Similarly, the water circuit detection device uses a flow sensor and a conductivity sensor to accurately measure water flow and conductivity. This helps to promptly identify potential equipment problems and facilitate maintenance, automating and intelligentizing the detection process and improving detection efficiency and reliability. Attached Figure Description

[0019] Figure 1This is a three-dimensional view of the structure of this utility model;

[0020] Figure 2 This is a three-dimensional cross-sectional view of the structure of the oil-water separation device, oil circuit detection device, and water circuit detection device of this utility model.

[0021] Figure 3 This is a three-dimensional cross-sectional view of the oil circuit detection device of this utility model;

[0022] Figure 4 This is a three-dimensional cross-sectional view of the waterway detection device of this utility model.

[0023] In the diagram: 1. Base; 2. Main body of the turbine unit; 3. Needle holder; 4. Oil-water separator; 41. Connector; 42. Telescopic pipe; 43. Guide pipe; 44. Oil-water separator sensor; 5. Oil circuit detection device; 51. First delivery pipe; 52. Piston cylinder; 53. Plug plate; 54. Viscosity sensor; 55. Plug rod; 56. Return spring; 57. Float-type oil level sensor; 58. Oil drain pipe; 6. Water circuit detection device; 61. Second delivery pipe; 62. Mounting cylinder; 63. Mounting shell; 64. Impeller; 65. Flow sensor; 66. Conductivity sensor; 67. Drain pipe. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1 to 4 This embodiment of an intelligent detection device for distinguishing between oil and water leakage of the nozzle of an impact turbine unit includes a base 1, a turbine main body 2 fixedly installed on the top of the base 1, and a nozzle seat 3 fixedly connected to the top of the turbine main body 2. An oil-water separation device 4 is provided on the outside of the nozzle seat 3, and an oil circuit detection device 5 is provided at the bottom of the nozzle seat 3. A controller is fixedly installed on the outside of the turbine main body 2.

[0026] The oil-water separation device 4 includes a connector 41 fixedly connected to the outside of the nozzle seat 3 and a telescopic pipe 42 fixedly connected to the outside of the connector 41. A guide pipe 43 is fixedly connected to the bottom of the connector 41, and an oil-water separation sensor 44 is fixedly installed at the bottom of the guide pipe 43. When oil or water leaks at the nozzle of the impact unit, the leaked liquid first enters the telescopic pipe 42, then flows through the connector 41 into the guide pipe 43, and finally reaches the oil-water separation sensor 44. The oil-water separation sensor 44 utilizes the difference in dielectric constant between oil and water, detecting changes in capacitance to determine whether the flowing liquid is oil or water, and transmits the determination result to the controller in the form of an electrical signal.

[0027] It should be noted that the oil-water separation sensor is model 44FDS-100, which adopts an advanced capacitive detection principle. It can quickly and accurately detect the ratio of oil to water in an oil-water mixture, and has high sensitivity and stability. It is suitable for the complex liquid environment at the nozzle of the impact unit and can effectively distinguish between oil leakage and water leakage.

[0028] In addition, the telescopic tube 42 is sleeved on the outside of the nozzle seat 3, and the outer diameter of the nozzle seat 3 is matched with the inner diameter of the telescopic tube 42.

[0029] Please see Figures 1 to 3 In this embodiment, the oil circuit detection device 5 includes a first delivery pipe 51 fixedly connected to one side of the oil-water separation sensor 44 and a float-type oil level sensor 57 fixedly installed on the top of the base 1. A piston cylinder 52 is fixedly connected to the bottom of the first delivery pipe 51. A stopper plate 53 is slidably connected inside the piston cylinder 52. A stopper rod 55 is fixedly connected to the bottom of the stopper plate 53. A viscosity sensor 54 is fixedly installed inside the stopper plate 53. After the controller receives a signal from the oil-water separation sensor 44 that it is oil, it controls the relevant valves to open, allowing oil to enter the piston cylinder 52 through the first delivery pipe 51.

[0030] A sealing gasket is fixedly connected to the outside of the stopper plate 53, and the outer diameter of the stopper plate 53 is adapted to the inner diameter of the piston cylinder 52. The stopper rod 55 is slidably connected inside the piston cylinder 52 and extends to its outside, with its bottom end abutting against the top of the float-type oil level sensor 57. As oil enters, the oil level rises, pushing the stopper plate 53 downwards. The stopper rod 55 moves downwards accordingly, compressing the return spring 56. Simultaneously, the bottom end of the stopper rod 55 presses against the float-type oil level sensor 57. The float-type oil level sensor 57 converts the pressure level into an electrical signal and transmits it to the controller. The controller calculates the oil level height based on the electrical signal. The viscosity sensor 54 measures the resistance of the oil to the sensor probe during flow in real time, converting the resistance signal into an electrical signal and transmitting it to the controller. The controller analyzes the electrical signal to determine the viscosity of the oil. After detection, the controller controls the relevant valves to open, and the return spring 56 pushes the stopper plate 53 upwards, discharging the oil in the piston cylinder 52 through the drain pipe 58.

[0031] Specifically, a return spring 56 is fixedly connected between the stopper plate 53 and the piston cylinder 52. The return spring 56 is connected around the outside of the stopper rod 55, and an oil drain pipe 58 is fixedly connected to the outside of the piston cylinder 52.

[0032] It should be noted that the float-type oil level sensor 57 is the UQK-03 model. This model of sensor utilizes the buoyancy principle of a float; when the oil level changes, the float moves up and down accordingly. Through magnetic coupling, the reed switch inside the sensor is switched on and off, thus converting the oil level signal into an electrical signal output. It has advantages such as simple structure, reliable operation, and a wide measurement range, and can accurately measure the oil level height inside the piston cylinder 52. The viscosity sensor 54 is the VSM-100 model, which uses a vibration detection principle. When oil flows through the sensor probe, it changes the probe's vibration frequency and amplitude. These changes are converted into electrical signals and transmitted to the controller, thereby realizing the measurement of oil viscosity.

[0033] Please see Figure 1 , Figure 2 and Figure 4 In this embodiment, a water path detection device 6 is externally provided for the oil-water separation sensor 44. The water path detection device 6 includes a second delivery pipe 61 fixedly connected to the other side of the oil-water separation sensor 44. The bottom of the second delivery pipe 61 is fixedly connected to an installation cylinder 62. An installation shell 63 is fixedly connected inside the installation cylinder 62, and an impeller 64 is rotatably connected inside the installation shell 63. After the controller receives a signal from the oil-water separation sensor 44 indicating water, it controls the relevant valves to open, allowing water to enter the installation cylinder 62 through the second delivery pipe 61. The water flow drives the impeller 64 to rotate, and the impeller 64 drives the flow sensor 65 to rotate synchronously. The flow sensor 65 detects the rotation signal of the impeller 64 and converts it into an electrical pulse signal, which is transmitted to the controller. The controller calculates the water flow rate by calculating the frequency of the electrical pulse signal. The two electrodes of the conductivity sensor 66 are in contact with the water. Ions in the water generate current under the action of an electric field. The conductivity sensor 66 converts the measured current magnitude into an electrical signal and transmits it to the controller. The controller calculates the conductivity of the water by analyzing the electrical signal. After the test is completed, the controller opens the relevant valves, and the water is discharged through the drain pipe 67.

[0034] A flow sensor 65 is fixedly mounted at the shaft center of the impeller 64, and the flow sensor 65 and the impeller 64 are synchronously connected inside the mounting cylinder 62. The flow sensor 65 is of type LWGY-15.

[0035] Specifically, a conductivity sensor 66 is fixedly installed on the inner bottom wall of the mounting cylinder 62, and a drain pipe 67 is fixedly connected to the outside of the mounting cylinder 62. The conductivity sensor 66 is a DDS-307A type.

[0036] The working principle of the above embodiments is as follows:

[0037] In use, when the nozzle seat 3 leaks, the leaked liquid first flows into the connector 41 through the telescopic pipe 42, and then is guided to the oil-water separation sensor 44 through the guide pipe 43. The oil-water separation sensor 44 detects the type of liquid. If oil is detected, the liquid enters the oil circuit detection device 5 through the first delivery pipe 51; if water is detected, the liquid enters the water circuit detection device 6 through the second delivery pipe 61. Oil enters the piston cylinder 52 through the first delivery pipe 51, pushing the stopper plate 53 downward. The stopper rod 55 at the bottom of the stopper plate 53 is pressed down and contacts the float-type oil level sensor 57. The float-type oil level sensor 57 detects the oil level height. The viscosity sensor 54 inside the stopper plate 53 measures the flow resistance of the oil when it passes through, thereby detecting the viscosity of the oil. After the detection is completed, the oil is discharged through the drain pipe 58. The stopper plate 53 returns to its initial position under the action of the return spring 56, ready for the next test; water enters the mounting cylinder 62 through the second delivery pipe 61, impacting the impeller 64 to make it rotate. A flow sensor 65 is fixedly installed at the shaft of the impeller 64. The flow sensor 65 measures the water flow rate by the rotation speed of the impeller 64. When the water flows in the mounting cylinder 62, the conductivity sensor 66 detects the conductivity of the water to determine the purity and impurity content of the water. After the test is completed, the water is discharged through the drain pipe 67; the controller fixedly installed on the outside of the turbine unit 2 receives data from the oil-water separation sensor 44, the float-type oil level sensor 57, the viscosity sensor 54, the flow sensor 65, and the conductivity sensor 66. The controller analyzes these data through a preset algorithm to determine the type and degree of leakage. Once a leakage is detected, the controller triggers the alarm module to issue an alarm and displays the leakage type and related data through the display module. The operator can take timely measures according to the prompts.

[0038] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that achieves the desired beneficial effect can be implemented. Furthermore, all electrical components in this embodiment are electrically connected to the main controller and power supply. The main controller can be a conventional, known device such as a computer that performs control functions. Those skilled in the art can control the electrical components through simple programming, and the existing disclosed power connection technologies are common knowledge in the field. Therefore, this embodiment will not elaborate further on their specific structural composition and working principles.

[0039] It should be noted that the orientations or positional relationships indicated herein are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of facilitating the description of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An intelligent detection device for differentiating oil and water leaks in impact-type generator nozzles, characterized in that: It includes a base (1), a turbine main body (2) fixedly installed on the top of the base (1), and a nozzle seat (3) fixedly connected to the top of the turbine main body (2). An oil-water separation device (4) is provided on the outside of the nozzle seat (3), and an oil circuit detection device (5) is provided at the bottom of the nozzle seat (3). The oil-water separation device (4) includes a connector (41) fixedly connected to the outside of the nozzle seat (3) and a telescopic tube (42) fixedly connected to the outside of the connector (41). The bottom of the connector (41) is fixedly connected to a guide tube (43), and an oil-water separation sensor (44) is fixedly installed at the bottom of the guide tube (43). The oil circuit detection device (5) includes a first delivery pipe (51) fixedly connected to one side of the oil-water separation sensor (44) and a float-type oil level sensor (57) fixedly installed on the top of the base (1). The bottom of the first delivery pipe (51) is fixedly connected to a piston cylinder (52). A stopper plate (53) is slidably connected inside the piston cylinder (52). A stopper rod (55) is fixedly connected to the bottom of the stopper plate (53). A viscosity sensor (54) is fixedly installed inside the stopper plate (53).

2. The intelligent detection device for distinguishing oil and water leakage in impact-type generator nozzles according to claim 1, characterized in that: The telescopic tube (42) is sleeved on the outside of the nozzle seat (3), and the outer diameter of the nozzle seat (3) is adapted to the inner diameter of the telescopic tube (42).

3. The intelligent detection device for distinguishing oil and water leakage in impact-type generator nozzles according to claim 1, characterized in that: The outer side of the plug plate (53) is fixedly connected with a sealing gasket, and the outer diameter of the plug plate (53) is adapted to the inner diameter of the piston cylinder (52).

4. The intelligent detection device for distinguishing oil and water leakage in impact-type generator nozzles according to claim 1, characterized in that: The piston rod (55) is slidably connected to the inside of the piston cylinder (52) and extends to the outside therefrom, with the bottom end of the piston rod (55) abutting against the top of the float-type oil level sensor (57).

5. The intelligent detection device for distinguishing oil and water leakage in impact-type generator nozzles according to claim 1, characterized in that: A return spring (56) is fixedly connected between the stopper plate (53) and the piston cylinder (52). The return spring (56) is connected around the outside of the stopper rod (55). An oil drain pipe (58) is fixedly connected to the outside of the piston cylinder (52).

6. The intelligent detection device for distinguishing oil and water leakage in impact-type generator nozzles according to claim 1, characterized in that: The oil-water separation sensor (44) is provided with a water path detection device (6) on its exterior. The water path detection device (6) includes a second delivery pipe (61) fixedly connected to the other side of the oil-water separation sensor (44). The bottom of the second delivery pipe (61) is fixedly connected to an installation cylinder (62). An installation shell (63) is fixedly connected inside the installation cylinder (62). An impeller (64) is rotatably connected inside the installation shell (63).

7. The intelligent detection device for distinguishing oil and water leakage in impact-type generator nozzles according to claim 6, characterized in that: A flow sensor (65) is fixedly installed at the shaft center of the impeller (64), and the flow sensor (65) and the impeller (64) are synchronously connected to the inside of the mounting cylinder (62).

8. The intelligent detection device for distinguishing oil and water leakage in impact-type generator nozzles according to claim 6, characterized in that: A conductivity sensor (66) is fixedly installed on the inner bottom wall of the mounting cylinder (62), and a drain pipe (67) is fixedly connected to the outside of the mounting cylinder (62).