A highly integrated online monitoring device for dissolved hydrogen content in cooling water of generators

Abstract

The present application discloses a highly integrated online monitoring device for dissolved hydrogen content in generator cooling water, which includes a cabinet, a first partition and a second partition are arranged in the cabinet, the first partition divides the cabinet into a lower space and an upper space, and the second partition divides the upper space into a first installation space and a second installation space; a sample thermostat unit is installed in the lower space, and the sample thermostat unit is connected to the generator water inlet main pipeline and the generator return water main pipeline; a sampling unit installed in the first installation space, the sampling unit is connected to the sample thermostat unit, and the sampling unit is connected to the inlet and outlet water pipelines, and the inlet and outlet water pipelines are located in the first installation space; a detection and analysis unit is located in the second installation space, and the sampling unit is connected to the detection and analysis unit, and the detection and analysis unit is connected to a drainage device connected to the generator cooling water tank. The pipeline direction of the application scheme of the present application is simple, which is convenient for on-site construction and installation, greatly reducing the difficulty of on-site construction and shortening the construction period.

Description

Technical Field

[0001] The present application relates to the technical field of hydrogen leakage monitoring of cooling water, and in particular to an online monitoring device for dissolved hydrogen content in cooling water of a highly integrated generator. Background Art

[0002] Hydrogen leakage in the generator cooling water directly affects the safety of the generator equipment. Therefore, it is of great significance to accurately and real-time monitor the amount of hydrogen leakage in the generator cooling water, which not only helps to judge the operating status of the unit, but also provides a reference for maintenance.

[0003] In the related art, the patent with the authorization announcement number CN217212672U discloses a device for monitoring the hydrogen leakage of the generator cooling water. The utility model relates to a device for monitoring the hydrogen leakage of the generator cooling water, including a cooling water inlet sampling tube and a cooling water outlet sampling tube; one end of the cooling water inlet sampling tube is connected to the inlet of the generator cooling water system, and the other end is connected to the cooling water inlet water sample cooler, the outlet of the cooler is connected to the generator cooling water tank by a first pipe, and the first pipe is provided with a first online dissolved hydrogen sensor; one end of the cooling water outlet sampling tube is connected to the outlet of the generator cooling water system, and the other end is connected to the cooling water outlet water sample cooler, the outlet of the cooler is connected to the generator cooling water tank by a second pipe, and the second pipe is provided with a second online dissolved hydrogen sensor; the first and second online dissolved hydrogen sensor signals are connected to the hydrogen leakage calculation module; the cooler cools the water sample to 20°C to 25°C. The utility model device realizes real-time and accurate monitoring of the hydrogen leakage in the cooling water by automatically monitoring the dissolved hydrogen concentration at the inlet and outlet of the cooling water system.

[0004] The device for monitoring hydrogen leakage from the generator's cooling water mainly includes a sampling tube (water sample collection unit), a cooler (sample cooling unit) and an online dissolved hydrogen sensor (detection and analysis unit). The three units need to be installed separately during on-site installation. The pipeline route is relatively complex and the construction period is long. Most water sample collection units and detection and analysis units are installed on the first and second floors of the power plant respectively, and require separate power supply. This has high requirements for the selection of the installation location and is not conducive to system control. Summary of the invention

[0005] In order to help solve some drawbacks of power supply and pipeline layout in the on-site installation process of the monitoring device, resulting in long on-site installation construction period and low product integration, the present application provides a highly integrated online monitoring device for dissolved hydrogen content in generator cooling water.

[0006] The highly integrated online monitoring device for dissolved hydrogen content in cooling water of a generator provided in this application adopts the following technical solution:

[0007] A highly integrated online monitoring device for dissolved hydrogen content in cooling water of a generator, comprising:

[0008] A cabinet, wherein a first partition and a second partition are arranged in the cabinet, wherein the first partition divides the cabinet into a lower space and an upper space from top to bottom, and a side edge of the second partition is connected to an inner wall of the cabinet and a top side of the second partition to divide the upper space into a first installation space and a second installation space from left to right;

[0009] A sample thermostatic unit is installed in the lower space, and a water inlet end of the sample thermostatic unit is connected to a generator water inlet main pipe and a generator water return main pipe respectively;

[0010] A sampling unit is installed in the first installation space, a water inlet of the sampling unit is connected to a water outlet of the sample constant temperature unit, the sampling unit is connected to an inlet and outlet water pipeline, and the inlet and outlet water pipeline is located in the first installation space;

[0011] The detection and analysis unit is installed on a board surface of the second partition and is located in the second installation space. The water outlet end of the sampling unit is connected to the water inlet end of the detection and analysis unit. The water outlet end of the detection and analysis unit is connected to a drainage device. The water outlet end of the drainage device is used to be connected to the cooling water tank of the generator.

[0012] By adopting the above technical solution, the sampling unit can take samples from the generator water inlet main pipe and the return water main pipe respectively, and send the samples to the sample constant temperature unit for temperature control, and then transmit them to the detection and analysis unit to complete the accurate detection of dissolved hydrogen content. Finally, the samples flow back to the generator constant cooling water tank through the drainage device. The sampling unit and most of the pipelines are located in the first installation space, which is conducive to the wiring layout, and most of the pipelines that transport constant cooling water are close to each other, which can effectively reduce the impact of external temperature on the temperature of the constant cooling water in pipeline transportation and ensure the accuracy of detection; at the same time, the sample constant temperature unit is also integrated in the cabinet, which can shorten the distance between the sample constant temperature unit and the detection and analysis unit, so that the constant cooling water after constant temperature can be quickly transported to the detection and analysis unit, which can effectively reduce the temperature change during the transportation of the constant cooling water and improve the accuracy of the test results. The pipeline route of this application scheme is simple, which is convenient for on-site construction and installation, greatly reducing the difficulty of on-site construction and shortening the construction period.

[0013] Optionally, the first installation space and the second installation space are arranged in a closed manner, the sample constant temperature unit includes a heat conduction plate, the heat output by the sample constant temperature unit can be transferred to the outside through the heat conduction plate, the heat conduction plate is in contact with the bottom side of the first partition, and the first partition is provided with a heat conduction adjustment mechanism for adjusting the heat transfer efficiency.

[0014] By adopting the above technical solution, the first installation space is cooled by the heat output by the sample constant temperature unit, thereby reducing the impact of the heat generated during the operation of the sampling unit on the transported cold water. Due to the design of the thermal conductivity adjustment mechanism, it is not necessary to open holes in the cabinet for ventilation, and the temperature balance in the first installation space can be effectively maintained. This can effectively solve problems such as dust accumulation in the open hole ventilation solution and further reduce maintenance costs.

[0015] Optionally, the first partition is a first thermal insulation plate, and the thermal conductivity adjustment mechanism includes a second thermal insulation plate and a plate moving assembly, the second thermal insulation plate is slidably connected to the top side of the first thermal insulation plate, a first thermal conductive column is arranged in the first thermal insulation plate, and a second thermal conductive column is arranged in the second thermal insulation plate, and the plate moving assembly is used to control the movement of the second thermal insulation plate to adjust the contact area between the first thermal conductive column and the second thermal conductive column.

[0016] By adopting the above technical solution, the plate moving assembly controls the movement of the second insulation plate and adjusts the contact area between the first heat-conducting column and the second heat-conducting column, thereby effectively controlling the heat transfer efficiency of the sample constant temperature unit and achieving precise control of the working environment temperature in the first installation space.

[0017] Optionally, a heat conducting pipe is provided on the second heat insulating plate, one end of the heat conducting pipe is connected to the second heat conducting column, and the other end of the heat conducting pipe extends to the upper part of the first installation space.

[0018] By adopting the above technical solution, the heat pipe on the second insulation board can effectively conduct the heat of the second heat-conducting column to the upper part of the first installation space, further enhancing the heat conduction effect, optimizing the heat distribution inside the first installation space, and making the temperature inside the first installation space as balanced as possible.

[0019] Optionally, a heat-conducting spoiler is installed on the outer wall of the heat-conducting pipe.

[0020] By adopting the above technical solution, the thermally conductive spoiler can improve the thermal conductivity efficiency on the one hand, and on the other hand, since the plate moving component drives the second insulation plate to move, it can drive the thermally conductive spoiler on the heat pipe to move, thereby disturbing the air in the first installation space, further accelerating the heat transfer speed of the first installation space, and improving the overall heat dissipation performance.

[0021] Optionally, a temperature sensor is provided in the first installation space, and the temperature sensor is electrically connected to the plate moving assembly.

[0022] By adopting the above technical solution, the temperature sensor can monitor the temperature changes in the first installation space in real time, and transmit the temperature information to the plate moving component, so that the plate moving component adjusts the position of the second insulation plate according to the received temperature signal, and then accurately controls the contact area between the first thermal conductive column and the second thermal conductive column, thereby achieving precise regulation of the heat transfer from the sample constant temperature unit to the external environment, and effectively improving the temperature stability in the first installation space.

[0023] Optionally, the drainage device is located in the first installation space.

[0024] By adopting the above technical solution, on the one hand, it is conducive to the compact layout of the overall device, improves space utilization, and facilitates the installation and maintenance of the device; on the other hand, it reduces the temperature influence during the cooling water transportation process after detection and analysis, so that the temperature of the returned cooling water and the cooling water in the generator cooling water tank are kept as consistent as possible, thereby reducing energy loss.

[0025] Optionally, the drainage device includes an overflow pipe, a drain pipe and an emptying solenoid valve, the overflow pipe and the drain pipe are respectively connected to the water outlet end of the detection and analysis unit, the water outlet ends of the overflow pipe and the drain pipe are both connected to the same emptying solenoid valve, and the emptying solenoid valve is connected to a fixed cold water tank.

[0026] By adopting the above technical solution, the pipelines can be arranged in a centralized manner, the compactness of the structure can be improved, and the structure can be effectively simplified, the cost can be reduced and the integration of the device can be improved.

[0027] Optionally, the sample constant temperature unit is one of a compressor refrigeration device, a TEC refrigeration device and an air cooling device.

[0028] By adopting the above technical solution, the sample temperature is ensured to be constant, the temperature error meets the design requirement of ±1°C, the impact of temperature changes on the solubility of hydrogen in water is reduced, and the inlet and return water samples can be independently temperature controlled.

[0029] Optionally, the sampling unit is a constant pressure and constant flow sampling pump.

[0030] By adopting the above technical solution, various installation conditions on site can be taken into account without being restricted by the location of the sampling point. At the same time, the sample meets the design requirements of constant pressure and constant current.

[0031] In summary, the present application includes at least one of the following beneficial technical effects:

[0032] The sampling unit and most of the pipelines are located in the first installation space, which is conducive to the layout of the wiring, and most of the pipelines that transport the cold water are close to each other, which can effectively reduce the impact of the external temperature on the temperature of the cold water in the pipeline transportation, and ensure the accuracy of the detection; at the same time, the sample constant temperature unit is also integrated in the cabinet, which can shorten the distance between the sample constant temperature unit and the detection and analysis unit, so that the constant temperature cold water can be quickly transported to the detection and analysis unit, which can effectively reduce the temperature change during the cold water transportation process and improve the accuracy of the test results. The pipeline of this application is simple, which is convenient for on-site construction and installation, greatly reducing the difficulty of on-site construction and shortening the construction period.

[0033] The heat output by the sample constant temperature unit is used to cool the first installation space, reducing the impact of the heat generated during the operation of the sampling unit on the transported cold water. Due to the design of the thermal conductivity adjustment mechanism, it is not necessary to open holes in the cabinet for ventilation, and the temperature balance in the first installation space can be effectively maintained. This can effectively solve problems such as dust accumulation in the open hole ventilation solution and further reduce maintenance costs.

[0034] On the one hand, the thermally conductive spoiler can improve the thermal conductivity efficiency. On the other hand, since the plate moving component drives the second insulation plate to move, it can then drive the thermally conductive spoiler on the heat pipe to move, thereby disturbing the air in the first installation space, further accelerating the heat transfer speed of the first installation space and improving the overall heat dissipation performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a schematic diagram of the connection between the hydrogen content online monitoring device and the generator system.

[0036] Figure 2 It is a schematic diagram of the overall structure of the online hydrogen content monitoring device of Example 1 of the present application.

[0037] Figure 3 It is a schematic diagram of Example 1 of the present application which mainly shows the internal structure of the first installation space.

[0038] Figure 4 This is a vertical cross-sectional view of Example 2 of the present application, which mainly shows the thermal conductivity adjustment mechanism.

[0039] Figure 5 This is a top view of the thermal conductivity adjustment mechanism mainly shown in Example 2 of the present application.

[0040] Description of reference numerals:

[0041] 100. Generator; 101. Cold water tank; 102. Water inlet main pipeline; 103. Water return main pipeline; 20. Cabinet; 21. First partition; 211. First thermally conductive column; 22. Second partition; 30. Sample constant temperature unit; 31. Sample water inlet pipe; 32. Sample water return pipe; 33. Thermally conductive plate; 40. Sampling unit; 41. Water inlet and outlet pipelines; 50. Detection and analysis unit; 60. Drain device; 61. Overflow pipe; 62. Drain pipe; 63. Drain solenoid valve; 70. Thermal conductivity adjustment mechanism; 71. Second thermal insulation board; 711. Second thermally conductive column; 72. Plate moving assembly; 73. Thermally conductive pipe; 74. Thermally conductive spoiler; 80. Temperature sensor. DETAILED DESCRIPTION

[0042] The following will be combined with the attached Figure 1-5 , the technical solutions in the embodiments of the present invention are clearly and completely described. The described embodiments are only possible technical implementations of the present invention, not all possible implementations. Those skilled in the art can completely combine the embodiments of the present invention to obtain other embodiments without creative work, and these embodiments are also within the scope of protection of the present invention.

[0043] Reference Figure 1 In the related art, the outlet of the cooling water tank 101 is connected to the generator 100 through the water inlet main pipe 102, and the return water end of the cooling water tank 101 is connected to the generator 100 through the return water main pipe 103. The cooling water in the cooling water tank 101 is used to cool the generator 100 to ensure the normal operation of the generator 100. At the same time, the online monitoring device for dissolved hydrogen content in cooling water of the present application is mainly arranged on the water inlet main pipe 102 and the return water main pipe 103, and the hydrogen content in the cooling water in the water inlet main pipe 102 and the return water main pipe 103 is sampled, and the hydrogen leakage in the cooling water in the generator 100 is monitored by comparing and calculating the hydrogen content of the two.

[0044] Example 1, a highly integrated generator cooling water dissolved hydrogen content online monitoring device provided in the present application embodiment, referring to Figure 1 and Figure 2 , including a cabinet 20, a sample thermostat unit 30, a sampling unit 40 and a detection and analysis unit 50, wherein a first partition 21 and a second partition 22 are arranged inside the cabinet 20, the first partition 21 is arranged horizontally and its side is connected to the inner wall of the cabinet 20, and the cabinet 20 is divided into a lower space and an upper space from top to bottom, and the second partition 22 is arranged vertically and its side is connected to the inner wall of the cabinet 20 and the top side of the first partition 21, so as to divide the upper space into a first installation space and a second installation space from left to right. The sample thermostat unit 30 is installed in the lower space, the sampling unit 40 is installed in the first installation space, and the detection and analysis unit ( Figure 2The components (not shown) are installed in the second installation space, so that each unit is independent of each other but closely cooperates with each other, thereby improving the adaptability and reliability of the device.

[0045] Reference Figure 2 Specifically, the sample constant temperature unit 30 is installed in the lower space, and the type of refrigeration device can be selected. The sample constant temperature unit 30 includes a refrigeration method using a compressor refrigeration device (such as a scroll compressor or a piston compressor) to achieve constant temperature treatment of the sample, and also includes a cooling method using a TEC refrigeration device (thermoelectric cooler); or an air cooling solution is selected to introduce external air through an air cooling device (fan) to reduce the temperature.

[0046] In this embodiment, a compressor refrigeration circulating water bath method is adopted. The refrigeration system is composed of components such as a compressor, a condenser, an expansion valve and an evaporator. The evaporator is arranged in a water bath, and the pipeline for conveying constant cooling water passes through the water bath, so that the temperature of the constant cooling water in the pipeline can be accurately controlled to ensure that the temperature of the water sample entering the detection and analysis unit (not shown in the figure) is maintained within the set constant temperature range, thereby improving the accuracy and precision of the measurement.

[0047] Reference Figure 1 and Figure 2 , wherein the pipeline for conveying the constant cooling water includes a sample water inlet pipe 31 and a sample water return pipe 32, the sample water inlet pipe 31 is connected to the water inlet main pipe 102, the sample water return pipe 32 is connected to the water return main pipe 103, the sample water inlet pipe 31 and the sample water return pipe 32 pass through a water bath, and the water bath is used to cool the constant cooling water in the sample water inlet pipe 31 and the sample water return pipe 32. In a preferred embodiment, two water baths can be provided, and the sample water inlet pipe 31 and the sample water return pipe 32 pass through different water baths respectively, so as to realize independent temperature control of the constant cooling water in the sample water inlet pipe 31 and the sample water return pipe 32.

[0048] Reference Figure 2 and Figure 3 The sampling unit 40 is located in the first installation space and can be installed on the surface of the second partition 22. The sampling unit 40 can use a constant pressure and constant flow sampling pump with a large suction range and high lift (such as a single pump or a dual pump system). The sampling pump is connected to the sample water inlet pipe 31 and the water outlet of the sample return pipe 32 through the inlet and outlet water pipes 41 respectively, so as to realize constant pressure and constant flow sampling of the constant cooling water. The water outlet of the sampling pump is connected to the water inlet end of the detection and analysis unit (not shown in the figure) through the inlet and outlet water pipes 41. The inlet and outlet water pipes 41 are both located in the first installation space, so that most of the pipes for transporting the constant cooling water are close to each other, which can effectively reduce the influence of the external temperature on the temperature of the constant cooling water in the pipeline transportation and improve the detection accuracy.

[0049] Optionally, a pressure gauge may be provided between the sampling unit 40 and the detection and analysis unit 50 to monitor the sample pressure and ensure that the sample pressure is constant.

[0050] The detection and analysis unit (not shown in the figure) is installed on the other plate surface of the second partition 22 and is located in the second installation space, and the cooled water sample is introduced into the detection and analysis unit. The detection and analysis unit is preferably an online monitoring device for hydrogen content in water of a generator with the authorization announcement number CN118032847B, which can accurately monitor the dissolved hydrogen content in the water sample in real time.

[0051] Reference Figure 1 and Figure 3 The water outlet of the detection and analysis unit 50 is connected to a drainage device 60, and the drainage device 60 is used to return the detected cold water to the cold water tank 101. The drainage device 60 is arranged in the first installation space to reduce the temperature influence during the transportation process of the cold water after detection and analysis, so that the temperature of the returned cold water is kept consistent with that of the cold water in the cold water tank 101 as much as possible, thereby reducing energy loss.

[0052] Optionally, the drainage device 60 includes an overflow pipe 61, a drain pipe 62 and an emptying solenoid valve 63. The overflow pipe 61 and the drain pipe 62 are respectively connected to the water outlet of the detection and analysis unit 50 to achieve different drainage requirements. The water outlets of the overflow pipe 61 and the drain pipe 62 are both connected to the same emptying solenoid valve 63. In the present application scheme, two detection and analysis units 50 are provided, one detection and analysis unit 50 is used to detect the hydrogen content of the inlet water, and the other detection and analysis unit 50 is used to detect the hydrogen content of the return water. The overflow pipes 61 and the drain pipes 62 of the two detection and analysis units 50 are both connected to the same emptying solenoid valve 63 after passing through the first installation space, and the emptying solenoid valve 63 is connected to the fixed cooling water tank 101 through a pipeline. Therefore, the scheme can reduce the temperature influence during the fixed cooling water transportation process after the detection and analysis, so that the temperature of the returned fixed cooling water is kept consistent with the fixed cooling water temperature in the fixed cooling water tank 101 of the generator 100 as much as possible, thereby reducing energy loss.

[0053] The implementation principle of this embodiment 1 is as follows: the design of the cabinet 20 effectively integrates and separates the sampling unit 40, the sample constant temperature unit 30 and the detection and analysis unit 50, thereby improving the compactness and integration of the entire system. The sampling unit 40 uses a constant pressure and constant current method to obtain a constant cold water sample, thereby ensuring the consistency and representativeness of the sample. Combined with the efficient sample constant temperature unit 30, it can provide stable detection conditions under strict temperature control, thereby improving the accuracy of the detection and analysis unit 50, and also improving the practicality and sustainability of the overall system, effectively overcoming the problems of complex sampling and scattered equipment in traditional technologies.

[0054] Embodiment 2: This embodiment differs from the above-mentioned embodiment 1 in that the first installation space and the second installation space are both sealed, and the sample constant temperature unit 30 is designed as a more complex system to better adapt to various environmental conditions.

[0055] Reference Figure 4 Specifically, the sample thermostat unit 30 includes a heat conducting plate 33, and the heat output by the sample thermostat unit 30 can be transferred to the outside through the heat conducting plate 33. For example, when the sample thermostat unit 30 is a compressor refrigeration device, the heat conducting plate 33 is installed on the top of the water bath, and the heat in the water bath can be transferred to the outside through the heat conducting plate 33.

[0056] Reference Figure 4 and Figure 5 , wherein the heat conducting plate 33 is attached to the bottom side of the first partition plate 21 and is arranged directly below the first installation space, and the first partition plate 21 is provided with a heat conduction adjustment mechanism 70 for adjusting the heat transfer efficiency. Preferably, the first partition plate 21 is a first heat insulation plate, and the heat conduction adjustment mechanism 70 includes a second heat insulation plate 71 and a plate moving assembly 72, the second heat insulation plate 71 is attached and slidably connected to the top side of the first heat insulation plate, a plurality of first heat conducting columns 211 are arranged in the first heat insulation plate, the two ends of the first heat conducting column 211 pass through the first heat insulation plate and contact the heat conducting plate 33 and the second heat insulation plate 71 respectively, a plurality of second heat conducting columns 711 are arranged in the second heat insulation plate 71, the two ends of the second heat conducting column 71 pass through the second heat insulation plate 71, the bottom end of the second heat conducting column 711 can contact or not contact the first heat conducting column 211, and the plate moving assembly 72 is used to control the movement of the second heat insulation plate 71 to adjust the contact area between the first heat conducting column 211 and the second heat conducting column 711. Specifically, the plate moving component 72 can use an electric push rod mechanism or a motor screw mechanism, etc., and use the electric push rod mechanism or the motor screw mechanism to drive the second heat insulation plate 71 to move, so as to accurately adjust the heat dissipation efficiency.

[0057] When the cooling effect needs to be increased, the second heat insulation plate 71 can be slid forward to expand the contact surface between the first heat-conducting column 211 and the second heat-conducting column 711, making them closer and thereby enhancing the heat conduction efficiency; conversely, if the heat dissipation needs to be reduced, the second heat insulation plate 71 can be moved backward to reduce the contact area between the two heat-conducting columns and maintain a constant temperature effect.

[0058] In addition, a temperature sensor 80 is also provided in the first installation space, and the temperature sensor 80 is electrically connected to the plate moving assembly 72. Once the temperature is detected to be beyond the set range, the position of the second heat insulation board 71 can be automatically adjusted through the plate moving assembly 72, thereby realizing intelligent control and enhancing the adaptive ability and temperature management ability of the system. Optionally, multiple temperature sensors 80 are provided in the first installation space, and the average value of multiple temperature sensors 80 is taken to control the second heat insulation board 71, thereby improving the temperature balance in the first installation space.

[0059] In the above scheme, heat is easily accumulated in the lower part of the first installation space, resulting in a large cooling effect in the lower part of the first installation space and a small cooling effect in the upper part, which easily causes uneven temperatures in various parts of the first installation space. Therefore, in the scheme of the present application, preferably, a heat pipe 73 is provided on the second heat insulation board 71, one end of which is connected to the second heat-conducting column 711, and the other end is close to the inner wall of the cabinet 20 and extends to the upper part of the first installation space, so as to make full use of the heat dissipation space inside the first installation space and accelerate the transfer of heat energy. Specifically, the heat pipe 73 can be made of copper pipe or aluminum pipe to achieve efficient heat conduction. Since the structure in the first installation space is relatively compact, the heat pipe 73 can be arranged in the movable space that can be passed through, and the specific arrangement method is not necessarily the arrangement method shown in the figure of the present application.

[0060] Preferably, a heat-conducting spoiler 74 is installed on the outer wall of the heat-conducting pipe 73. The heat-conducting spoiler 74 can improve the heat conduction efficiency on the one hand, and on the other hand, the plate moving component 72 drives the second heat insulation plate 71 to move, thereby driving the heat-conducting spoiler 74 on the heat-conducting pipe 73 to move, disturbing the air in the first installation space, further accelerating the heat transfer speed of the first installation space, and improving the overall heat dissipation performance. Specifically, the heat-conducting spoiler 74 can be made of aluminum material in a fan-shaped or diamond-shaped shape to improve the airflow distribution effect.

[0061] The implementation principle of this embodiment 2 is as follows: by carefully designing the heat transfer method in the sample constant temperature unit 30, especially by using the second heat insulation board 71 and its heat conduction adjustment mechanism 70, it is possible to effectively isolate external interference while ensuring the heat transfer efficiency, thereby ensuring the temperature consistency during the detection process. And due to the design of the heat conduction adjustment mechanism 70, it is not necessary to open holes for ventilation in the cabinet 20 to effectively maintain the temperature balance in the first installation space, and it can effectively solve the problems of dust accumulation in the open hole ventilation scheme, and further reduce the maintenance cost. In addition, by adding a heat pipe 73 and cooperating with the design of a heat conduction spoiler 74 to further assist heat transfer, the heat transfer is made more uniform and efficient. This innovation not only optimizes the working performance of the device and enhances its practical value, but also demonstrates the possibility of transforming and upgrading traditional technologies in the mechanical field, reflecting the unique contribution of the present invention to improving the performance of related equipment.

[0062] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A highly integrated online monitoring device for dissolved hydrogen content in cooling water of a generator, characterized in that: include: A cabinet (20), wherein a first partition (21) and a second partition (22) are arranged in the cabinet (20), wherein the first partition (21) divides the cabinet (20) into a lower space and an upper space, and the side of the second partition (22) is connected to the inner wall of the cabinet (20) and the top side of the second partition (22) to divide the upper space into a first installation space and a second installation space; A sample constant temperature unit (30) is installed in the lower space, and a water inlet end of the sample constant temperature unit (30) is respectively connected to a generator water inlet main pipe (102) and a generator water return main pipe (103); A sampling unit (40) is installed in the first installation space, a water inlet end of the sampling unit (40) is connected to a water outlet end of the sample constant temperature unit (30), the sampling unit (40) is connected to a water inlet and outlet pipeline (41), and the water inlet and outlet pipeline (41) is located in the first installation space; A detection and analysis unit (50) is installed on a plate surface of the second partition plate (22) and is located in the second installation space; a water outlet end of the sampling unit (40) is connected to a water inlet end of the detection and analysis unit (50); a water outlet end of the detection and analysis unit (50) is connected to a drainage device (60); and a water outlet end of the drainage device (60) is used to be connected to a cooling water tank (101) of a generator (100); The first installation space and the second installation space are arranged in a sealed manner, the sample constant temperature unit (30) comprises a heat conducting plate (33), the heat output by the sample constant temperature unit (30) can be transferred to the outside through the heat conducting plate (33), the heat conducting plate (33) is in contact with the bottom side of the first partition (21), and the first partition (21) is provided with a heat conduction adjustment mechanism (70) for adjusting the heat transfer efficiency; The first partition plate (21) is a first heat insulation plate, the heat conduction adjustment mechanism (70) comprises a second heat insulation plate (71) and a plate moving assembly (72), the second heat insulation plate (71) is slidably connected to the top side of the first heat insulation plate, a first heat conduction column (211) is arranged in the first heat insulation plate, and a second heat conduction column (711) is arranged in the second heat insulation plate (71), and the plate moving assembly (72) is used to control the movement of the second heat insulation plate (71) to adjust the contact area between the first heat conduction column (211) and the second heat conduction column (711).

2. According to claim 1, a highly integrated online monitoring device for dissolved hydrogen content in cooling water of a generator, characterized in that: A heat conducting pipe (73) is provided on the second heat insulating plate (71), one end of the heat conducting pipe (73) is connected to the second heat conducting column (711), and the other end of the heat conducting pipe (73) extends to the upper part of the first installation space.

3. The highly integrated online monitoring device for dissolved hydrogen content in cooling water of a generator according to claim 2 is characterized by: A heat-conducting spoiler (74) is installed on the outer wall of the heat-conducting pipe (73).

4. According to claim 1, a highly integrated online monitoring device for dissolved hydrogen content in cooling water of a generator, characterized in that: A temperature sensor (80) is arranged in the first installation space, and the temperature sensor (80) is electrically connected to the plate moving component (72).

5. A highly integrated online monitoring device for dissolved hydrogen content in cooling water of a generator according to any one of claims 1 to 4, characterized in that: The drainage device (60) is located in the first installation space.

6. The highly integrated online monitoring device for dissolved hydrogen content in cooling water of a generator according to claim 5 is characterized by: The drainage device (60) comprises an overflow pipe (61), a drainage pipe (62) and an emptying electromagnetic valve (63); the overflow pipe (61) and the drainage pipe (62) are respectively connected to the water outlet end of the detection and analysis unit (50); the water outlet ends of the overflow pipe (61) and the drainage pipe (62) are both connected to the same emptying electromagnetic valve (63); and the emptying electromagnetic valve (63) is connected to a fixed cold water tank (101).

7. A highly integrated online monitoring device for dissolved hydrogen content in cooling water of a generator according to any one of claims 1 to 4, characterized in that: The sample constant temperature unit (30) is one of a compressor refrigeration device, a TEC refrigeration device and an air cooling device.

8. A highly integrated online monitoring device for dissolved hydrogen content in cooling water of a generator according to any one of claims 1 to 4, characterized in that: The sampling unit (40) is a constant pressure and constant flow sampling pump.

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