Device for testing performance of fans with different speed ratios
By designing a fan performance test device, the fan is tested comprehensively at different speed ratios using step pulleys and test sensors, which solves the problem of power consumption and performance balance, and achieves a comprehensive evaluation of fan performance and a reduction in energy consumption.
Patent Information
- Application Number
- CN202421193865.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The prior art is difficult to maintain the fan's performance while low power consumption, resulting in different performance data such as noise and air volume of the fan at different driving speed ratios, and it is difficult to find a balance point between power consumption and performance in the test stage to reduce energy consumption. .
Design a fan performance test device including test body and imported current collector. By setting up a step pulley and drive belt, test conditions for different speed ratios are provided, and used to use imported current collector and test sensors (such as barometers, thermometers) Comprehensive performance testing.
It realizes a comprehensive test of fan performance at different speed ratios, which is easy to operate and can better find the balance point between power consumption and performance, thereby reducing the energy consumption of the fan.
Smart Images
Figure CN222334067U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fans, in particular to a device for testing the performance of fans with different speed ratios. Background Art
[0002] In mechanical transmission, the main drive drives the fan bearing seat through a belt, and the fan bearing seat is equipped with fan components. The fan noise, air volume and other performance data under different drive speed ratios are different, and the power consumption brought by themselves is also different. Making the fan achieve better performance while low power consumption is an important criterion for evaluating the quality of the fan. Therefore, it is necessary to test the performance of the fan at different speed ratios during the component testing phase to find the balance between power consumption and performance, so as to reduce the fan power consumption and save energy in subsequent use. Utility Model Content
[0003] The technical problem to be solved by the utility model is how to test the performance of a fan so that the fan can maintain better performance while having low power consumption.
[0004] In order to solve the above technical problems, the technical solution of the utility model is to provide a testing device for the performance of fans with different speed ratios, including a testing body and an inlet collector. The testing body is placed vertically, and a driving spindle is provided at its lower end. One end of the driving spindle is connected to a driving motor, and a main driving wheel is provided on the driving spindle. A fan bearing seat is provided at the upper end of the testing body, and a step pulley is rotatably connected to the fan bearing seat, and a fan component and a fastening bolt are fixedly connected to the step pulley. The main driving wheel and the step pulley are connected by a driving belt, and the inlet collector is placed on the outside of the fan component and the fastening bolt, and a test sensor is provided thereon.
[0005] Optionally, hinges are provided between each group of pulleys of the stepped pulley.
[0006] Optionally, the collector is a cylinder with openings at both ends, the open ends facing the fan component and the fastening bolts, and the opening size and height of the inlet collector match the fan component and the fan blades on the fastening bolts.
[0007] Optionally, the bottom of the inlet collector is fixed by a collector seat, and the test sensor includes a barometer, a thermometer and a test meter.
[0008] In summary, the utility model is provided with a stepped pulley, which can provide different speed ratios for the fan component, and is easy to operate. In addition, the inlet collector is provided to perform various performance tests on the fan, and the tests are comprehensive and effective. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0010] Figure 2 This is a schematic diagram of the structure of the step pulley of the utility model;
[0011] In the figure: 1. Body parts; 2. Fan bearing seat; 3. Step pulley; 4. Fan parts and fastening bolts; 5. Driving belt; 6. Main driving wheel; 7. Driving main shaft; 8. Inlet collector; 9. Test sensor; 10. Rapid flow device seat; 11. Hinge. DETAILED DESCRIPTION
[0012] The following combination Figure 1-2 The utility model is described in further detail.
[0013] The utility model discloses a testing device for the performance of fans with different speed ratios, referring to Figure 1 , including a test body 1 and an inlet collector 8. The test body 1 is placed vertically, and a driving spindle 7 is provided at the lower end thereof. One end of the driving spindle 7 is connected to the driving motor, and a main driving wheel 6 is provided on the driving spindle 7. A fan bearing seat 2 is provided at the upper end of the test body 1. A step pulley 3 is rotatably connected to the fan bearing seat 2, and a fan component and a fastening bolt 4 are fixedly connected to the step pulley 3. The main driving wheel 6 and the step pulley 3 are connected by a driving belt 5. The inlet collector 8 is placed on the outside of the fan component and the fastening bolt 4, and a test sensor 9 is provided on it.
[0014] In a further embodiment, hinges 11 are provided between each group of pulleys of the stepped pulley 3 .
[0015] In a further embodiment, the collector 8 is a cylinder with openings at both ends, the open ends facing the fan component and the fastening bolts 4, and the opening size and height of the inlet collector 8 match the fan blades on the fan component and the fastening bolts 4. The bottom of the inlet collector 8 is fixed by a collector seat 10. The test sensor 9 includes but is not limited to a barometer, a thermometer and a test meter, and other sensors required to measure parameters may also be set.
[0016] In this embodiment, refer to Figure 2 There are two groups of step pulleys 3. The hinge 11 between the two groups of pulleys can assist in sliding when the drive belt 5 is shifted, making the drive belt 5 shift more smoothly and more convenient to operate. When in use, install all components in place, connect the drive belt 5 to the pulley of one group of step pulleys 3, and connect the other end to the main drive wheel 6. Then start the drive motor. After the fan components rotate, the inlet collector 8 collects the current and collects the air pressure, temperature, wind speed and other data. After the test is completed, turn off the drive motor and replace the drive belt 5 to another group of pulleys to perform performance tests under different speed ratios.
[0017] In other embodiments, there may be three, four or more sets of stepped pulleys 3, which may be increased or decreased according to test requirements.
[0018] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A testing device for the performance of fans with different speed ratios, characterized in that: The invention comprises a test body (1) and an inlet current collector (8), wherein the test body (1) is placed vertically, and a driving main shaft (7) is provided at the lower end thereof, one end of the driving main shaft (7) is connected to a driving motor, a main driving wheel (6) is provided on the driving main shaft (7), a fan bearing seat (2) is provided at the upper end of the test body (1), a step pulley (3) is rotatably connected to the fan bearing seat (2), a fan component and a fastening bolt (4) are fixedly connected to the step pulley (3), the main driving wheel (6) and the step pulley (3) are connected via a driving belt (5), and the inlet current collector (8) is placed outside the fan component and the fastening bolt (4), and a test sensor (9) is provided on the inlet current collector.
2. The device for testing the performance of fans with different speed ratios according to claim 1, characterized in that: A hinge (11) is provided between each group of pulleys of the stepped pulley (3).
3. The testing device for the performance of fans with different speed ratios according to claim 1, characterized in that: The collector (8) is cylindrical with two ends open, the open ends facing the fan component and the fastening bolts (4), and the opening size and height of the inlet collector (8) match the fan component and the fan blades on the fastening bolts (4).
4. The device for testing the performance of fans with different speed ratios according to claim 3, characterized in that: The bottom of the inlet current collector (8) is fixed by a current collector seat (10), and the test sensor (9) comprises a barometer, a thermometer and a test meter.