Small fan outdoor environment test equipment

Abstract

The utility model discloses a small fan outdoor environment test device which comprises a fan mounting rack, a control system, a spraying system, a nozzle swing arm and a swing arm driving device, and the spraying system and the swing arm driving device are symmetrically arranged on the two sides of the fan mounting rack. One end of the spray head swing arm is rotationally connected with the spray system through a rotary joint and is communicated with a water path, the other end of the spray head swing arm is fixedly connected with a speed reducer shaft in the swing arm driving device, the swing arm driving device drives the spray head swing arm to swing around the fan mounting frame, and a plurality of fan mounting plates are arranged on the fan mounting frame. According to the utility model, the outdoor environment test of the small fan can be rapidly realized, various control modes are realized, the simulation of the outdoor rainfall environment is accelerated, the actual application scene of the fan can be restored most truly, the difficulties and pain points of the fan environment test in the industry are solved, the test result can reflect the outdoor operation state most truly, and the test efficiency is improved. And manpower and material resources are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of fan testing, in particular to outdoor environment testing equipment for a small fan. Background Art

[0002] The outdoor environmental test of the fan is an important verification process for the fan reliability. As a verification device, its verification results, the convenience of sample installation, and the diversity of equipment control methods are the main measurement indicators.

[0003] Wind turbine protection tests are generally completed in laboratories, test centers, etc. The main assessment is the wind turbine protection level, which cannot simulate the actual operation scenario of the wind turbine, cannot truly reflect the state of the wind turbine when it is running outdoors, and is difficult to evaluate the reliability of the wind turbine. Therefore, the wind turbine test needs to be improved. Summary of the invention

[0004] The purpose of the utility model is to solve the problems raised in the above background technology and provide a small-sized fan outdoor environment testing device.

[0005] To achieve the above-mentioned purpose, the technical solution of the utility model is: a small-scale outdoor environment testing equipment for a fan, comprising a fan mounting frame, a control system, a spray system, a nozzle swing arm, and a swing arm driving device, wherein the spray system and the swing arm driving device are symmetrically placed on both sides of the fan mounting frame, and one end of the nozzle swing arm is rotatably connected with the spray system through a rotating joint, and forms a water channel, and the other end of the nozzle swing arm is fixedly connected to the reducer shaft in the swing arm driving device, and the swing arm driving device drives the nozzle swing arm to swing around the fan mounting frame, and a plurality of fan mounting plates are arranged on the fan mounting frame.

[0006] In the above-mentioned small-sized fan outdoor environment testing equipment, the fan mounting frame is composed of a plurality of cross beams connected together, the plurality of cross beams are detachably connected and fixed, and the fan mounting plate is fixed on the cross beams.

[0007] In the above-mentioned small-sized fan outdoor environment testing equipment, a reflow pool is arranged at the bottom of the fan mounting frame, the entire bottom of the fan mounting frame is in the reflow pool, and the reflow pool is connected to the spray system through a pipeline for reflow.

[0008] In the above-mentioned small fan outdoor environment testing equipment, the fan mounting plate includes a fan plate and a fixed seat, a mounting bracket is arranged on the fixed seat, the fixed seat and the fan plate are respectively fixed to the cross beam, and one end of the fan plate is located between the fixed seat and the cross beam, and the fan plate is respectively provided with a fan mounting slot and a plurality of motor fixing holes.

[0009] In the above-mentioned small-sized wind turbine outdoor environment testing equipment, swing weight blocks are provided at both end portions of the nozzle swing arm.

[0010] In the above-mentioned small-sized wind turbine outdoor environment testing equipment, the multiple cross beams in the wind turbine mounting frame are aluminum profile cross beams.

[0011] In the above-mentioned small-sized fan outdoor environment testing equipment, the reflow tank is welded with stainless steel.

[0012] In the above-mentioned small wind turbine outdoor environment test equipment, the control system is provided with a human-machine interface control screen, a multi-function parameter display screen, a plurality of indicator lights and control buttons.

[0013] By adopting the above technical solution, the utility model has the following beneficial effects:

[0014] The utility model can quickly realize outdoor environmental testing of small fans, can realize multiple control methods, accelerate the simulation of outdoor rainfall environment, and can also most realistically restore the actual application scenario of the fan, solve the difficulties and pain points of fan environmental testing in the industry, so that its test results can most realistically reflect the status during outdoor operation, saving manpower and material resources; it can adapt to a variety of models and support most fans on the market.

[0015] The control system and the spray system can adjust and monitor the water volume in real time. Through PID control, the water volume can be guaranteed to operate stably in a constant flow or constant pressure mode. The swing arm drive device can set the spraying angle and operating speed at will. The operating status of the fan under test can be clearly seen through the control system.

[0016] At the same time, a convenient disassembly and assembly mechanism is used to achieve quick connection of the product, improving the efficiency of fan installation; a variety of control channels are used to achieve multi-mode operation control, improving the convenience of testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a three-dimensional diagram of the utility model from another direction;

[0019] Figure 3 The utility model is a structural schematic diagram of the connection between the fan mounting plate and the fan mounting frame. DETAILED DESCRIPTION

[0020] The utility model will be further described in conjunction with the accompanying drawings.

[0021] Please refer to Figures 1 to 3As shown, the utility model provides a small-scale outdoor environment testing equipment for a fan, including a fan mounting frame 1, a control system 2, a spray system 3, a sprinkler arm 4, and a sprinkler arm driving device 5; the sprinkler system 3 and the sprinkler arm driving device 5 are symmetrically placed on both sides of the fan mounting frame 1, one end of the sprinkler arm 4 is rotatably connected with the sprinkler system 3 through a rotary joint 6, and a waterway is formed, the other end of the sprinkler arm 4 is fixedly connected with the reducer shaft 7 in the sprinkler arm driving device 5, the sprinkler arm driving device 5 drives the sprinkler arm 4 to swing around the fan mounting frame 1, a plurality of fan mounting plates 8 are arranged on the fan mounting frame 1, and the control system 2 is provided with a human-machine interface control screen 17, a multi-function parameter display screen 18, a plurality of indicator lights 19 and a control button 20.

[0022] During testing, the tested fan is installed on the fan mounting plate 8, and the working parameters of the spray system 3 and the swing arm drive device 5 are set through the control system 2. The spray system 3 is connected to the external water source. The spray system 3 is equipped with a frequency converter and an adjustable water pump. Through PID control, the water volume can be stably operated in a constant flow or constant pressure mode and delivered to the sprinkler swing arm 4 for testing. The swing arm drive device 5 uses a high-precision positioning servo motor, and the angle and operating speed during spraying can be set arbitrarily. The operating status of the tested fan and the set parameters can be clearly seen through the control system, thereby quickly realizing the outdoor environment test of the small fan. A variety of control methods can be realized to accelerate the simulation of the outdoor rainfall environment while also being able to most realistically restore the actual application scenario of the fan.

[0023] Furthermore, the fan mounting frame 1 is composed of a plurality of cross beams 9 connected and fixed, and the plurality of cross beams 9 are detachably connected and fixed, and can be conveniently disassembled and assembled, and is particularly suitable for when the overall frame cannot be transported by an elevator; the fan mounting plate 8 is fixed on the cross beam 9, and the fan mounting plate 8 includes a fan plate 11 and a fixing seat 12, and a mounting bracket 13 is provided on the fixing seat 12, and the fixing seat 12 and the fan plate 11 are respectively fixed to the cross beam 9, and one end of the fan plate 11 is between the fixing seat 12 and the cross beam 9, and the fan plate 11 is respectively provided with a fan mounting notch 14, a plurality of motor fixing Hole 15; the fixing seat 12 is always fixed on the cross beam 9. After the test fan is fixed to the fan plate 11 through the fan mounting slot 14 and the motor fixing hole 15, one end of the fan plate 11 is stuck between the fixing seat 12 and the cross beam 9, and then the fan plate 11 and the cross beam 9 are fixed. The test fan can be easily loaded and unloaded, which greatly improves the installation efficiency of the personnel while ensuring the installation reliability, reduces the load of the installers, saves manpower, and increases the safety factor. Replacing the fan plate 11 can be applicable to more types of fans and can reduce the cost of replacing tooling.

[0024] Furthermore, a reflow pool 10 is provided at the bottom of the fan mounting frame 1, and the entire bottom of the fan mounting frame 1 is in the reflow pool 10. The reflow pool 10 is connected to the spray system 3 for reflow through a pipeline; it is used as the water source after reflow spraying. This design not only ensures energy saving and emission reduction during the test process, but also ensures the stability of the entire test device itself during the test.

[0025] Furthermore, swing weights 16 are provided at both ends of the nozzle swing arm 4 to reduce the force on one side of the swing arm and increase the service life of the nozzle swing arm 4 .

[0026] Furthermore, the multiple cross beams 9 in the fan mounting frame 1 are aluminum profile cross beams, and the reflow tank 10 is welded with stainless steel, which better ensures the corrosion resistance and stability of the device body during the test process.

[0027] The above is a detailed introduction to a small fan outdoor environment testing equipment provided by an embodiment of the utility model. This article uses specific examples to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the technical solution disclosed by the utility model; at the same time, for general technical personnel in this field, according to the idea of ​​the utility model, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation of the utility model.

Claims

1. A small fan outdoor environment test equipment, characterized by: The invention comprises a fan mounting frame (1), a control system (2), a spray system (3), a spray head swing arm (4), and a swing arm driving device (5), wherein the spray system (3) and the swing arm driving device (5) are symmetrically placed on both sides of the fan mounting frame (1), one end of the spray head swing arm (4) is rotatably connected to the spray system (3) through a rotary joint (6) and forms a water path communication therewith, the other end of the spray head swing arm (4) is fixedly connected to a reducer shaft (7) in the swing arm driving device (5), the swing arm driving device (5) drives the spray head swing arm (4) to swing around the fan mounting frame (1), and a plurality of fan mounting plates (8) are arranged on the fan mounting frame (1).

2. A small-sized wind turbine outdoor environment testing equipment according to claim 1, characterized in that: The fan mounting frame (1) is composed of a plurality of cross beams (9) connected together, the plurality of cross beams (9) are detachably connected and fixed to each other, and the fan mounting plate (8) is fixed on the cross beams (9).

3. The small-sized wind turbine outdoor environment testing equipment according to claim 1 is characterized in that: A reflow pool (10) is provided at the bottom of the fan mounting frame (1), and the entire bottom of the fan mounting frame (1) is located in the reflow pool (10). The reflow pool (10) is connected to the spray system (3) through a pipeline for reflow.

4. The small-sized wind turbine outdoor environment testing equipment according to claim 2 is characterized in that: The fan mounting plate (8) comprises a fan plate (11) and a fixing seat (12); a mounting bracket (13) is arranged on the fixing seat (12); the fixing seat (12) and the fan plate (11) are respectively fixed to a crossbeam (9); one end of the fan plate (11) is located between the fixing seat (12) and the crossbeam (9); and the fan plate (11) is respectively provided with a fan mounting notch (14) and a plurality of motor fixing holes (15).

5. The small-sized wind turbine outdoor environment testing equipment according to claim 1 is characterized in that: Swinging counterweights (16) are provided at both ends of the nozzle swing arm (4).

6. The small-sized wind turbine outdoor environment testing equipment according to claim 2, characterized in that: The multiple cross beams (9) in the fan mounting frame (1) are aluminum profile cross beams.

7. The small-sized wind turbine outdoor environment testing equipment according to claim 3 is characterized by: The reflow tank (10) is made of stainless steel by welding.

8. The small-sized wind turbine outdoor environment testing equipment according to claim 1 is characterized by: The control system (2) is provided with a human-machine interface control screen (17), a multifunctional parameter display screen (18), a plurality of indicator lights (19) and control buttons (20).

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