Striking force uniformity measuring device

Abstract

The utility model provides a striking force uniformity measuring device which is applied to a fan-shaped nozzle and comprises a reflective mirror, a pressure sensor, a fixing frame, an angle adjusting assembly and a sliding rail assembly, and the reflective mirror and the fan-shaped nozzle are oppositely arranged; the pressure sensor is arranged on the reflective mirror close to the fan-shaped nozzle; the fixed frame is arranged on the reflective mirror far away from the fan-shaped nozzle; the angle adjusting assembly is connected with the fixing frame through a connecting rod. The angle adjusting assembly is in sliding connection with the sliding rail assembly. Pressure data of the fan-shaped nozzle on the reflective mirror is collected through the collecting pressure sensor, the uniformity of the striking force is calculated, the distance between the reflective mirror and the fan-shaped nozzle is adjusted through cooperation of the angle adjusting assembly and the sliding rail assembly, and then the uniformity of the striking force of the fan-shaped nozzle on the reflective mirror surface under different target distances and incident angles is achieved.

Description

Technical Field

[0001] This application relates to the technical field of impact force measurement, and particularly to a device for measuring the uniformity of impact force. Background Art

[0002] Heliostats operate outdoors for a long time. For example, in areas with complex environmental conditions such as deserts and gobi, dust from the atmosphere is likely to adhere to and accumulate on their surfaces, including dry and loose accumulated dust such as sand, red soil, and sand grains, as well as sticky accumulated dust formed by natural environments such as rain and dew. The presence of dust increases the scattering of light, resulting in a decrease in the reflectivity of the heliostat. The reduction in reflectivity directly affects the light energy reaching the absorber, and thus affects the power generation efficiency of the solar thermal power plant.

[0003] Multiple high-pressure fan-shaped nozzles are used for the cleaning of heliostats. During operation, the water flow impact force in the middle of the high-pressure fan-shaped nozzle is large, and the impact force decreases from the center to the outside, which will cause uneven impact force on the mirror surface, resulting in unsatisfactory cleaning effect and large water consumption.

[0004] When the measuring device is measuring, it can only measure the pressure distribution, and it is impossible to measure the uniformity of the impact force of the high-pressure fan-shaped nozzle jet at different incident angles and different target distances. Summary of the Utility Model

[0005] This application provides a device for measuring the uniformity of impact force to solve the problem of inability to measure the uniformity of impact force.

[0006] This application provides a device for measuring the uniformity of impact force, which is applied to a fan-shaped nozzle and includes:

[0007] A reflector, which is arranged opposite to the fan-shaped nozzle;

[0008] A pressure sensor, which is arranged on the reflector close to the fan-shaped nozzle;

[0009] A fixing frame, which is arranged on the reflector far from the fan-shaped nozzle;

[0010] An angle adjustment component, which is connected to the fixing frame through a connecting rod;

[0011] A slide rail component, and the angle adjustment component is slidably connected to the slide rail component.

[0012] By collecting the pressure data of the fan-shaped nozzle on the reflector through the pressure sensor, the uniformity of the impact force is calculated, and through the cooperation of the angle adjustment component and the slide rail component, the distance between the reflector and the fan-shaped nozzle is adjusted, and then the uniformity of the impact force of the fan-shaped nozzle on the reflector surface at different target distances and incident angles.

[0013] In some feasible embodiments, the angle adjustment component includes:

[0014] Base, a fixing seat is arranged on the base, and the fixing seat is of a U-shaped structure;

[0015] The connecting rod includes a long arm and a short arm. A first connecting hole is arranged at one end of the long arm, and the short arm is connected to the fixing frame;

[0016] A first connecting block, a fixing hole is arranged on the fixing seat, and the first connecting block penetrates through the fixing hole and the first connecting hole to hinge one end of the long arm to the fixing seat.

[0017] The connecting rod can be fixed by the first fixing block and the base, providing a fulcrum for the connecting rod.

[0018] In some feasible embodiments, the angle adjustment assembly further includes an adjustment guide rail;

[0019] The cross-sectional shape of the adjustment guide rail is arc-shaped, and a guide rail hole is arranged on the adjustment guide rail;

[0020] A second connecting block is movably arranged on the guide rail hole. A second connecting hole is arranged on the long arm. The first connecting hole and the second connecting hole are spaced apart by a first distance. The second connecting block penetrates through the guide rail hole and the second connecting hole to fix the long arm at a preset position on the adjustment guide rail.

[0021] By adjusting the second connecting block, the angle of the connecting rod relative to the base can be adjusted, and further the angle of the reflector connected to the connecting rod relative to the fan-shaped nozzle can be adjusted.

[0022] In some feasible embodiments, the slide rail assembly includes:

[0023] A slide rail body, a slider is arranged on the slide rail body, and the base is connected to the slider;

[0024] An adjustment handwheel is arranged at the end of the slide rail body.

[0025] By adjusting the adjustment handwheel, the position of the slider relative to the slide rail body can be adjusted to adjust the target distance between the reflector and the fan-shaped nozzle.

[0026] In some feasible embodiments, it further includes: a processor, and the pressure sensor is connected to the processor. The processor calculates the uniformity of the impact force.

[0027] In some feasible embodiments, it further includes:

[0028] An adjustable bracket is arranged on the reflector;

[0029] A light source, the light source is arranged on the adjustable bracket, and the irradiation direction of the light source is on the reflector close to the fan-shaped nozzle.

[0030] The light source is used to illuminate the spraying area of the fan-shaped nozzle. By adjusting the brightness and angle of the light source through an adjustable bracket, the reflection effect of the reflector on the spraying fluid can be optimized, and the measurement accuracy can be improved.

[0031] In some feasible embodiments, it further includes: a filter;

[0032] The light source is an LED light source, and the filter is arranged on the light source. The filter can filter out unnecessary light wavelengths or stray light.

[0033] In some feasible embodiments, a plurality of the pressure sensors are distributed and arranged on the reflector. By arranging a plurality of pressure sensors, a wider spraying area can be covered. In this way, the pressure values at different positions can be measured simultaneously, so as to evaluate the uniformity of the spraying fluid.

[0034] As can be seen from the above technical solutions, the present application provides a device for measuring the uniformity of the impact force, which is applied to a fan-shaped nozzle and includes: a reflector, a pressure sensor, a fixing frame, an angle adjustment component and a slide rail component. The reflector is arranged opposite to the fan-shaped nozzle; the pressure sensor is arranged on the reflector close to the fan-shaped nozzle; the fixing frame is arranged on the reflector far from the fan-shaped nozzle; the angle adjustment component is connected to the fixing frame through a connecting rod; the angle adjustment component is slidably connected to the slide rail component. By collecting the pressure data of the fan-shaped nozzle on the reflector through the pressure sensor, the uniformity of the impact force is calculated, and through the cooperation of the angle adjustment component and the slide rail component, the distance between the reflector and the fan-shaped nozzle is adjusted, and then the uniformity of the impact force of the fan-shaped nozzle on the reflector surface at different target distances and incident angles. Description of the Drawings

[0035] In order to more clearly illustrate the technical solutions of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.

[0036] Figure 1 It is a schematic diagram of the position of the device for measuring the uniformity of the impact force provided by the embodiment of the present application and the fan-shaped nozzle;

[0037] Figure 2 It is a schematic diagram of the structure of the angle adjustment component provided by the embodiment of the present application.

[0038] Illustration:

[0039] Among them, 1 - water tank, 2 - flow control valve, 3 - high-pressure pump, 4 - water inlet pipe, 5 - fan-shaped nozzle, 6 - pressure sensor, 7 - reflector, 8 - fixing bracket, 9 - connecting rod, 10 - angle adjustment component, 11 - slider, 12 - slide rail body, 13 - adjusting handwheel, 14 - adjusting guide rail, 15 - second connecting block, 16 - base, 17 - fixing seat, 18 - first connecting block. Specific embodiments

[0040] The embodiments will be described in detail below, and the examples are shown in the drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following examples do not represent all embodiments consistent with the present application. They are only examples of systems and methods consistent with some aspects of the present application detailed in the claims.

[0041] Heliostats operate outdoors for a long time, such as in areas with complex environmental conditions such as deserts and gobi. Dust from the atmosphere is likely to adhere to and accumulate on their surfaces, including dry and loose dust such as sandy soil, red soil, and sand grains, as well as sticky dust formed by natural environments such as rain and dew. The presence of dust increases the scattering of light, resulting in a decrease in the reflectivity of the heliostat. The reduction in reflectivity directly affects the light energy reaching the absorber, and thus affects the power generation efficiency of the solar thermal power plant.

[0042] The cleaning of the heliostat uses multiple high-pressure fan-shaped nozzles for combined operation. During the operation of the high-pressure fan-shaped nozzle, the water flow impact force in the middle is large, and the impact force decreases from the center to the outside, resulting in uneven impact force on the mirror surface, unsatisfactory cleaning effect, and large water consumption. When the measuring device measures, it can only measure the pressure distribution, and it cannot measure the uniformity of the impact force of the high-pressure fan-shaped nozzle jet at different incident angles and different target distances.

[0043] The embodiment of the present application provides a device for measuring the impact force uniformity, which is applied to the fan-shaped nozzle 5. The fan-shaped nozzle 5 is disposed opposite to the device. Taking the liquid ejected from the fan-shaped nozzle 5 as water as an example, see Figure 1 , the water sequentially passes through the water tank 1, the flow control valve 2, the high-pressure pump 3, and the water inlet pipe 4 and enters the fan-shaped nozzle 5. It can be understood that when ejecting, the water flow rate ejected can also be adjusted through the flow control valve 2.

[0044] The device includes: a reflector 7, a pressure sensor 6, a fixing bracket 8, an angle adjustment component 10, and a slide rail assembly; among them, the reflector 7 can be made of a material with a high reflectivity, for example, silver-plated glass or a metal mirror surface, to ensure a good reflection effect. The reflector 7 is disposed opposite to the fan-shaped nozzle 5 so as to receive the substance ejected from the nozzle. The reflector 7 serves as a plane for receiving the ejected substance. By observing the distribution of the substance on the reflector 7, the uniformity of the ejection can be indirectly understood.

[0045] The pressure sensor 6 is disposed on the reflector 7 near the sector nozzle 5; the pressure sensor 6 includes two parts, a sensitive element and a conversion circuit. Among them, the sensitive element is used to sense the pressure change generated by the fluid impact, and the conversion circuit converts this change into an electrical signal for output.

[0046] It can be understood that the position of the pressure sensor 6 can accurately sense the minute deformation or displacement of the reflector caused by the fluid impact. The pressure sensor 6 can measure and record in real time the pressure distribution generated by the fluid impact on the reflector 7. In some embodiments, there are multiple pressure sensors 6, and the multiple pressure sensors 6 are distributed on the reflector 7 to cover a wider spraying area. In this way, the pressure values at different positions can be measured simultaneously, so as to calculate the uniformity of the spraying fluid.

[0047] To fix the reflector 7, it is supported by a fixing bracket 8. The fixing bracket 8 is disposed on the reflector 7 away from the sector nozzle 5. The fixing bracket 8 is made of a strong metal material, and the metal material has sufficient rigidity and stability. The fixing bracket 8 can provide a stable support platform for the reflector 7, which helps to reduce the influence of external factors on the measurement results and improve the measurement accuracy.

[0048] The angle adjustment assembly 10 is connected to the fixing bracket 8 through a connecting rod 9. Through the angle adjustment assembly 10, the angle of the fixing bracket 8 can be adjusted through the connecting rod 9, and then the angle of the reflector 7 can be adjusted. The angle adjustment assembly 10 enables the pressure sensor 6 to adapt to the sector nozzles 5 with different spraying angles.

[0049] See Figure 2 , in some embodiments, the angle adjustment assembly 10 includes a base 16 and a first connection block 18. The base 16 is the supporting part of the angle adjustment assembly 10, ensuring that during the angle adjustment, the measurement accuracy will not be affected by shaking or tilting. In some embodiments, the base 16 is a rectangular structure and is made of metal or alloy.

[0050] A fixing seat 17 is provided on the base 16. The fixing seat 17 is a U-shaped structure, and the U-shaped structure can provide stable support and connection points. A fixing hole is provided on the fixing seat 17. For the convenience of connecting with the connecting rod 9 through the fixing hole, the connecting rod 9 includes a long arm and a short arm. A first connection hole is provided on the long arm. The first connection block 18 passes through the fixing hole and the first connection hole to hinge one end of the long arm with the fixing seat 17, and the short arm is used to connect the fixing bracket 8.

[0051] It can be understood that the first connection block 18 may include threads or other fastening mechanisms, for example, pins, buckles, so as to fasten and lock the position of the connecting rod 9 after passing through the holes.

[0052] To adjust the angle of the connecting rod 9 relative to the base 16, in some embodiments, the angle adjustment assembly 10 further includes an adjustment guide rail 14. The cross-sectional shape of the adjustment guide rail 14 is designed to be arc-shaped, and the adjustment guide rail 14 can guide the long arm along an arc path for angle adjustment. The adjustment guide rail 14 can be made of wear-resistant and high-strength materials to ensure stability and accuracy under long-term use.

[0053] The adjustment guide rail 14 provides an accurate and stable path for angle adjustment. By moving the long arm along the adjustment guide rail 14, the angle adjustment of the mirror 7 can be achieved. At the same time, the shape of the adjustment guide rail 14 can also reduce the friction and resistance generated during the adjustment process, improving the smoothness and accuracy of the adjustment.

[0054] The adjustment guide rail 14 is provided with a guide rail hole, and a second connection block 15 is movably arranged on the guide rail hole. A second connection hole is arranged on the long arm. The first connection hole and the second connection hole are spaced apart by a first distance. The second connection block 15 penetrates through the guide rail hole and the second connection hole to fix the long arm at a preset position on the adjustment guide rail 14.

[0055] The second connection block 15 penetrates through the guide rail hole and extends into the second connection hole on the long arm, connecting the long arm to the guide rail. Through the cooperation of the guide rail hole and the second connection block 15, the long arm can move along the arc path of the adjustment guide rail 14. At the same time, due to the tight fit between the second connection block 15 and the guide rail hole, it can also effectively prevent loosening or falling off during the adjustment process.

[0056] The device further includes a slide rail assembly, and the angle adjustment assembly 10 is slidably connected to the slide rail assembly. The angle adjustment assembly 10 can slide on the slide rail assembly, thereby adjusting the distance between the sector nozzle 5 and the mirror 7.

[0057] In some embodiments, the slide rail assembly includes: a slide rail body 12. The slide rail body 12 is the main part of the slide rail assembly. The slide rail body 12 can be linear, arc-shaped or other shapes to adapt to different measurement requirements. The slide rail body 12 provides a sliding path for the slider 11. By moving along the slide rail body 12, the slider 11 can drive the connected base 16, and thus the angle adjustment assembly 10 can perform precise displacement.

[0058] It can be understood that the slide rail body 12 is provided with a slider 11, the base 16 is connected to the slider 11, and the shape of the slider 11 is a shape that closely fits the slide rail body 12. The slider 11 may contain balls, needle rollers or other sliding mechanisms inside to reduce the friction with the slide rail body 12. By sliding the slider 11 on the slide rail body 12, the displacement of the base 16 and the entire angle adjustment assembly 10 can be achieved.

[0059] An adjustment handwheel 13 is provided at the end of the slide rail body 12. In some embodiments, the adjustment handwheel 13 may be a rotating component with threads or gears, and its internal mechanism is connected to the slider 11. By rotating the adjustment handwheel 13, the slider 11 can be driven to perform precise displacement on the slide rail body 12. Through the adjustment handwheel 13, the angle adjustment assembly 10 can be moved to any required position for comprehensive measurement.

[0060] In some embodiments, the device further includes a processor. The pressure sensor 6 is connected to the processor. The processor calculates the impact force uniformity C according to the following formula u :

[0061]

[0062] where F i is the impact force at the test point detected by the pressure sensor 6, is the average value of the impact forces at the test points.

[0063] The processor can be a microcontroller (MCU). In the program of the microcontroller, it is first necessary to initialize the ADC (analog-to-digital converter) or other relevant hardware interfaces connected to the sensor. Write code to regularly read data from the sensor. For analog sensors, the read data may need to be preprocessed, such as denoising, calibration, etc., to ensure the accuracy of the data. According to the above formula, the impact force uniformity is calculated using the data read from the sensor.

[0064] In some embodiments, an adjustable bracket is further included, which is provided on the reflector 7 for supporting and positioning the light source. The irradiation direction of the light source is towards the reflector 7 near the fan-shaped nozzle 5. The position and angle of the light source can be adjusted according to actual needs to ensure that the light can irradiate the reflector 7 and then be reflected to the spraying area of the fan-shaped nozzle 5.

[0065] The light source is provided on the adjustable bracket, and the irradiation direction points to the reflector 7 near the fan-shaped nozzle 5. In some embodiments, the light source is an LED light source. The LED light source is a type of light source with high efficiency, energy saving and long lifespan, and is suitable for measurement devices that need to work stably for a long time. Moreover, the LED light source can provide sufficient light for the reflector 7, and can clearly reflect the spraying situation of the fan-shaped nozzle 5. The brightness and color of the LED light source can be adjusted electronically to adapt to different measurement requirements and environmental conditions.

[0066] To filter and adjust the light emitted by the light source, a filter is further provided on the light source. The filter can remove the stray light in the LED light source to ensure that only light within a specific wavelength or spectral range irradiates the reflector 7, which helps to reduce the interference factors during the measurement process and improve the accuracy of the measurement results.

[0067] As can be seen from the above technical solutions, the present application provides a device for measuring the uniformity of striking force, which is applied to the sector nozzle 5 and includes: a reflecting mirror 7, a pressure sensor 6, a fixing frame 8, an angle adjusting component 10 and a slide rail component. The reflecting mirror 7 is arranged opposite to the sector nozzle 5; the pressure sensor 6 is arranged on the reflecting mirror 7 close to the sector nozzle 5; the fixing frame 8 is arranged on the reflecting mirror 7 far from the sector nozzle 5; the angle adjusting component 10 is connected to the fixing frame 8 through a connecting rod 9; the angle adjusting component 10 is slidably connected to the slide rail component. By collecting the pressure data of the sector nozzle 5 on the reflecting mirror 7 through the pressure sensor 6, the uniformity of the striking force is calculated, and through the cooperation of the angle adjusting component 10 and the slide rail component, the distance between the reflecting mirror 7 and the sector nozzle 5 is adjusted, and further the uniformity of the striking force of the sector nozzle 5 on the surface of the reflecting mirror 7 at different target distances and incident angles.

[0068] For the similar parts between the embodiments provided in the present application, reference can be made to each other. The specific embodiments provided above are only several examples under the general concept of the present application and do not constitute a limitation on the protection scope of the present application. For those skilled in the art, any other embodiments extended based on the solution of the present application without creative efforts fall within the protection scope of the present application.

Claims

1. A striking force uniformity measuring device, characterized in that, Applied to a fan-shaped nozzle, including: A reflector (7), the reflector (7) is disposed opposite to the fan-shaped nozzle; A pressure sensor (6), disposed on the reflector (7) close to the fan-shaped nozzle; A fixing bracket (8), disposed on the reflector (7) away from the fan-shaped nozzle; An angle adjustment assembly (10), connecting the fixing bracket (8) through a connecting rod (9); A slide rail assembly, the angle adjustment assembly (10) is slidably connected to the slide rail assembly.

2. The impact force uniformity measuring device according to claim 1, wherein The angle adjustment assembly (10) includes: A base (16), a fixing seat (17) is disposed on the base (16), and the fixing seat (17) is of a U-shaped structure; The connecting rod (9) includes a long arm and a short arm, a first connection hole is disposed at one end of the long arm, and the short arm is connected to the fixing bracket (8); A first connection block (18), a fixing hole is disposed on the fixing seat (17), and the first connection block (18) penetrates through the fixing hole and the first connection hole to hinge one end of the long arm to the fixing seat (17).

3. The impact force uniformity measuring device according to claim 2, wherein The angle adjustment assembly (10) further includes an adjustment guide rail (14); The cross-sectional shape of the adjustment guide rail (14) is arc-shaped, and a guide rail hole is provided on the adjustment guide rail (14); A second connection block (15) is movably disposed on the guide rail hole, a second connection hole is disposed on the long arm, the first connection hole and the second connection hole are spaced apart by a first distance, and the second connection block (15) penetrates through the guide rail hole and the second connection hole to fix the long arm at a preset position on the adjustment guide rail (14).

4. The impact force uniformity measuring device according to claim 2, wherein The slide rail assembly includes: A slide rail body (12), a slider (11) is provided on the slide rail body (12), and the base (16) is connected to the slider (11); An adjustment handwheel (13) is disposed at the end of the slide rail body (12).

5. The impact force uniformity measuring device according to claim 1, wherein It further includes: A processor, the pressure sensor (6) is connected to the processor.

6. The impact force uniformity measuring device according to claim 1, wherein It further includes: An adjustable bracket, disposed on the reflector (7); A light source, the light source is disposed on the adjustable bracket, and the irradiation direction of the light source is towards the reflector (7) close to the fan-shaped nozzle.

7. The impact force uniformity measuring device according to claim 6, wherein It further includes: A filter; The light source is an LED light source, and the filter is disposed on the light source.

8. The impact force uniformity measuring device according to claim 1, characterized in that, A plurality of the pressure sensors (6) are distributed and disposed on the reflector (7).

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