Adjustable water cooling system pressure stabilizing device

Abstract

The utility model discloses an adjustable water -cooling system pressure -stabilizing device relates to wind power generation technical field, it includes cylinder body, piston, elastic part, support subassembly and adjusting spare, support subassembly includes first support and second support, piston, elastic part, first support and second support all install in the inside of cylinder body, elastic part one end is connected with piston, and the other end is connected with first support, first support is located the top of second support, and the one end of adjusting spare extends to the inside of cylinder body and is connected with first support, second support, the utility model discloses the adjusting screw of adjusting bottom can adjust device pressure when wind turbine generator system is running, and then satisfy the demand of wind turbine generator system to pressure under different working conditions, simple operation, can also compensate the pressure variation caused by unit coolant consumption simultaneously.

Description

Technical Field

[0001] This utility model relates to the field of wind power generation technology, and in particular to an adjustable water cooling system voltage stabilizing device. Background Technology

[0002] Currently, water-cooled wind turbine generator converter water cooling systems generally use inflatable expansion tanks for pressure stabilization. However, due to the thermal expansion and contraction of gases, the system pressure is greatly affected by temperature, and the generator frequently reports valve pressure failures when there are large temperature differences. Furthermore, because the expansion tank air bladder has a short lifespan, a large number of water-cooling air bladders need to be replaced every 3-5 years, increasing the difficulty and workload of maintenance.

[0003] Regarding maintenance difficulties, one current solution is to install a high-level water tank with a water pipe leading to the water-cooling system, using the liquid level to stabilize the pressure. While this solution addresses the issue of temperature affecting pressure, the water tank cannot be completely sealed, making the coolant susceptible to contamination and deterioration. Another solution is to install a water storage tank behind the water-cooled cabinet. However, this results in lower and non-adjustable outlet valve pressure, requiring modifications to the fan program to ensure proper unit operation, which is more challenging.

[0004] In view of the above, the traditional expansion tank and air bag are abandoned. It is necessary to design an adjustable water cooling system pressure stabilizing device with low temperature influence and long service life. It has the advantages of compact structure, wide system pressure applicable range, and can be installed in place in the fan water cooling cabinet. Utility Model Content

[0005] To address the existing problems, this utility model provides an adjustable water cooling system pressure stabilizing device.

[0006] To achieve the objectives of this utility model, the technical solution adopted is as follows:

[0007] An adjustable water-cooling system pressure stabilizing device includes a cylinder, a piston, an elastic element, a support assembly, and an adjusting element; the support assembly includes a first support and a second support; the piston, the elastic element, the first support, and the second support are all installed inside the cylinder; one end of the elastic element is connected to the piston, and the other end is connected to the first support; the first support is located above the second support, and one end of the adjusting element extends into the cylinder and connects to the first support and the second support.

[0008] Based on the above technical solution, further, a flange for connecting the vent valve assembly of an external wind turbine is provided at the top of the cylinder body, wherein the cylinder body is preferably made of stainless steel.

[0009] Furthermore, based on the above technical solution, the diameter of the piston is equal to the internal diameter of the cylinder, in order to improve the sealing effect.

[0010] Based on the above technical solution, further, the elastic element is a compression spring, and the number of compression springs is 1-4.

[0011] Based on the above technical solution, further, the first bracket is located above the second bracket, and the first bracket and the second bracket are arranged in parallel.

[0012] Based on the above technical solution, further, the cylinder body is provided with an adjustment hole, and a first bolt is detachably installed in the adjustment hole, wherein one end of the first bolt extends into the cylinder body and is assembled with one end of the first bracket located in the cylinder body.

[0013] Based on the above technical solution, the lower end of the adjustment hole is further provided with a fixing hole, and a second bolt is detachably installed in the fixing hole, wherein one end of the second bolt extends into the cylinder body and is assembled with one end of the second bracket located in the cylinder body.

[0014] Based on the above technical solution, the adjusting component is further defined as an adjusting screw.

[0015] Based on the above technical solution, the first bracket is provided with a first mounting hole at its center, and the second bracket is provided with a second mounting hole at its center. Both the first and second mounting holes are provided with threaded structures. The adjusting member is inserted upward from the bottom of the cylinder and passes through the second mounting hole until it extends into the first mounting hole.

[0016] Furthermore, based on the above technical solution, both the first and second supports are X-shaped supports.

[0017] Compared with the prior art, the beneficial effects of this utility model are specifically reflected in:

[0018] (1) This utility model can adjust the device pressure by adjusting the adjusting screw at the bottom when the wind turbine is running, thereby meeting the pressure requirements of the wind turbine under different working conditions. It is simple to operate and can also compensate for the pressure changes caused by the consumption of coolant in the unit.

[0019] (2) This utility model maintains the device pressure through a compression spring structure, abandons the traditional gas pressure stabilization method, avoids the influence of temperature changes on pressure, greatly reduces the failure rate of water-cooled pressure, and greatly extends the service life of the device due to the use of mechanical structure.

[0020] (3) The device of this utility model has the same cylinder design as the original expansion tank of the wind turbine, and can be directly installed in the original expansion tank position, effectively avoiding complicated dismantling and drilling operations and damage to the unit structure. Attached Figure Description

[0021] Figure 1 This is a perspective view of the device of this utility model;

[0022] Figure 2 This is a cross-sectional view of the device of this utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the device of this utility model with the external cylinder body omitted;

[0024] Reference numerals in the attached drawings: 1. Cylinder; 2. Piston; 3. Compression spring; 4. First bracket; 5. Second bracket; 6. First bolt; 7. Second bolt; 8. Adjusting hole; 9. Adjusting screw; 10. Flange. Detailed Implementation

[0025] The present invention will be further described and illustrated below with reference to the accompanying drawings and specific embodiments. The technical features of each embodiment of the present invention can be combined accordingly, provided that there is no mutual conflict.

[0026] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below. Technical features in various embodiments of this utility model can be combined appropriately without conflict.

[0027] In the description of this utility model, it should be understood that when an element is considered to be "connected" to another element, it can be directly connected to the other element or indirectly connected, i.e., there is an intermediate element. Conversely, when an element is said to be "directly" connected to another element, there is no intermediate element.

[0028] In the description of this utility model, it should be understood that the terms "first" and "second" are used only for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" and "second" may explicitly or implicitly include at least one of those features.

[0029] Example

[0030] Combination Figure 1 and Figure 2 As shown, this embodiment provides an adjustable water cooling system pressure stabilizing device, which includes a cylinder 1, a piston 2, an elastic element, a bracket assembly, and an adjusting element; wherein, the piston 2, the elastic element, and the bracket assembly are installed inside the cylinder 1, one end of the adjusting element is connected to the bracket assembly, and the other end of the adjusting element extends to the outside of the bottom of the cylinder 1.

[0031] In this embodiment, the cylinder body 1 is made of stainless steel, and a flange 10 for connecting the vent valve group of an external wind turbine is provided at the top of the cylinder body 1. The flange 10 and the top of the cylinder body 1 can be connected by an integral molding method.

[0032] In this embodiment, the diameter (maximum) of piston 2 is equal to the inner diameter (inner diameter) of cylinder 1, in order to improve the sealing effect.

[0033] In this embodiment, the upper end face of the piston 2 is directly opposite the constriction of the cylinder 1, and an elastic element is installed on the lower end face of the piston 2. The elastic element is preferably a compression spring 3, and the number of compression springs 3 is preferably 1-4.

[0034] In this embodiment, the bottom of the elastic element is connected to the bracket assembly. Specifically, the bracket assembly includes a first bracket 4 and a second bracket 5, which are arranged vertically spaced and parallel to each other. Preferably, both the first bracket 4 and the second bracket 5 are X-shaped brackets. The first bracket 4 is located above the second bracket 5 and can be adjusted vertically according to actual conditions, while the second bracket 5 is fixedly installed near the bottom of the cylinder 1.

[0035] Furthermore, an adjustment hole 8 is provided on the cylinder body 1. A first bolt 6 is detachably installed in the adjustment hole 8. The first bolt 6 extends into a part of the structure inside the cylinder body 1 and is assembled with one end of the first support 4 located inside the cylinder body 1. By adjusting the different positions of the first bolt 6 on the adjustment hole 8, the position of the first support 4 inside the cylinder body 1 can be adjusted. It should be noted that the shape of the adjustment hole 8 is not limited; at the same time, the number of first bolts 6 is at least one. Preferably, one first bolt 6 can be installed on the top of each of the four X-shaped legs of the first support 4. It is easy to understand that the more first bolts 6 are installed, the more balanced the force on the entire device will be.

[0036] Furthermore, the lower end of the adjusting hole 8 is also provided with a fixing hole, in which a second bolt 7 is detachably installed. This second bolt 7 extends into a portion of the structure inside the cylinder 1 and is assembled with one end of the second bracket 5 located inside the cylinder 1. The second bolt 7 securely connects the second bracket 5 to the cylinder 1. It should be noted that the number of second bolts 7 is at least one. Preferably, the number of second bolts 7 is at least one. Preferably, one second bolt 7 can be installed on the top of each of the four X-shaped legs of the second bracket 5. It is easy to understand that the more second bolts 7 are installed, the more balanced the force on the entire device.

[0037] In this embodiment, an adjusting component is provided at the bottom of the cylinder body 1, which is preferably an adjusting screw 9. The first bracket 4 and the second bracket 5 are respectively provided with a first mounting hole and a second mounting hole at their center positions, and both the first and second mounting holes have threaded structures. The adjusting screw 9 is inserted upwards from the bottom of the cylinder body 1, passes through the second mounting hole, and extends into the first mounting hole, wherein the second mounting hole is a through hole; the connection between the first bracket 4 and the second bracket 5 is achieved through the adjusting screw 9.

[0038] Combination Figure 3 As shown, taking four compression springs 3 as an example, the first bracket 4 is an X-shaped bracket. Each extended side bracket of the X-shaped bracket is equipped with a compression spring 3, that is, the four compression springs 3 are evenly distributed around the center position of the X-shaped bracket, so that the force is more even.

[0039] The working principle of this device is as follows:

[0040] When there is no coolant in cylinder 1, the compression spring 3 is in an uncompressed state with zero elasticity. When coolant is added to the water-cooling system, the coolant squeezes the piston 2, compressing the compression spring 3. The elasticity of the compression spring 3 stabilizes the pressure of the device. When the temperature rises, the compression of the compression spring 3 absorbs the expansion energy of the coolant. When the temperature of the water-cooling system decreases and the coolant volume shrinks, the compression spring 3 extends to provide pressure compensation for the device.

[0041] To adapt to the different pressure requirements of different wind turbine units and to compensate for the impact of aging of the spring 3 on the elasticity, the initial position of the spring 3 and piston 2 can be adjusted by adjusting the bottom adjusting screw 9 inside the cylinder 1, with the water level unchanged and the wind turbine unit running continuously, thereby adjusting the system water pressure.

[0042] It should be noted that the relationship between the spring force of compression spring 3 and the pressure of the device can be understood as follows:

[0043] To ensure sufficient buffering capacity of the pressure stabilizing device, the compression of spring 3 should not be too small or too large. Theoretically, when piston 2 has traveled 1 / 2 of its stroke, the device pressure should reach the static outlet valve pressure during normal operation of the unit at room temperature. Assuming the compression distance of spring 3 is L at this point, according to Pascal's principle and Hooke's law, the outlet valve pressure P of the device and the selected spring 3 stiffness coefficient k should satisfy the following:

[0044] In the formula, S is the area of ​​piston 2 in contact with the coolant.

[0045] The above are merely embodiments of this utility model, described in a relatively specific and detailed manner, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model.

Claims

1. An adjustable water cooling system pressure regulating device, characterized in that, Includes cylinder block, piston, elastic element, support assembly, and adjusting element; The support assembly includes a first support and a second support; The piston, elastic element, first bracket, and second bracket are all installed inside the cylinder block; One end of the elastic element is connected to the piston, and the other end is connected to the first bracket; The first bracket is located above the second bracket, and one end of the adjusting component extends into the cylinder body and connects with the first and second brackets.

2. The adjustable water cooling system pressure regulating device of claim 1, wherein, The top of the cylinder is fitted with a flange for connecting to the vent valve assembly of an external wind turbine.

3. The adjustable water-cooling system voltage stabilizing device according to claim 1, characterized in that, The diameter of the piston is equal to the internal diameter of the cylinder.

4. The adjustable water-cooling system voltage stabilizing device according to claim 1, characterized in that, The elastic element is a compression spring, and the number of compression springs is 1-4.

5. The adjustable water-cooling system voltage stabilizing device according to claim 1, characterized in that, The first bracket is located above the second bracket, and the first bracket and the second bracket are arranged in parallel.

6. The adjustable water-cooling system voltage stabilizing device according to claim 1, characterized in that, The cylinder body has an adjustment hole, and a first bolt is detachably installed in the adjustment hole. One end of the first bolt extends into the cylinder body and is assembled with one end of the first bracket located in the cylinder body.

7. The adjustable water-cooling system voltage stabilizing device according to claim 6, characterized in that, The lower end of the adjustment hole is also provided with a fixing hole, and a second bolt is detachably installed in the fixing hole. One end of the second bolt extends into the cylinder body and is assembled with one end of the second bracket located in the cylinder body.

8. The adjustable water-cooling system voltage stabilizing device according to claim 1, characterized in that, The adjusting component is an adjusting screw.

9. The adjustable water-cooling system voltage stabilizing device according to claim 1, characterized in that, The first bracket has a first mounting hole at its center, and the second bracket has a second mounting hole at its center. Both the first and second mounting holes have threaded structures. The adjusting member is inserted upward from the bottom of the cylinder and passes through the second mounting hole until it extends into the first mounting hole.

10. The adjustable water-cooling system voltage stabilizing device according to claim 1, characterized in that, Both the first and second supports are X-shaped supports.

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