Portable fan testing device

Abstract

The utility model provides a portable fan testing arrangement, include: test tooling and clamping assembly, be equipped with rotating speed controller in test tooling, one side of test tooling is provided with the interface of fan to be measured and rotating speed controller electricity connection, clamping assembly includes fixed base and movable assembly, install test tooling on fixed base, movable assembly sets up in one side of test tooling, movable assembly includes fan pressboard, screw rod and fixed plate fixed on fixed base, one end of screw rod is towards fan pressboard, the other end of screw rod is connected with fixed plate screw, when screw rod rotates along first direction, drives fan pressboard to move to test tooling, to make fan pressboard and test tooling cooperation clamping fan to be measured, the utility model is suitable for to different model small fan carries out the test, and the universality is higher, the device structure is simple, is favorable to reduce the device volume, is convenient for single person to realize fan test, can effectively improve test efficiency, reduce cost.

Description

Technical Field

[0001] This utility model relates to the field of wind turbine testing technology, specifically to a portable wind turbine testing device. Background Technology

[0002] Most wind turbine testing equipment currently on the market has a complex structure, resulting in large size and high price, significantly increasing the cost threshold for daily maintenance and on-site testing. Its large size and considerable weight make transportation and movement inconvenient, often requiring specialized vehicles or multiple personnel. During deployment, the complex installation and commissioning process wastes a significant amount of time, leading to low testing efficiency. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a portable fan testing device, which is suitable for testing small fans of different models and has high versatility. The device has a simple structure, which helps to reduce the size of the device and makes it easy for a single person to perform fan testing. It can effectively improve testing efficiency and reduce costs.

[0004] The technical solution adopted in this utility model is as follows: A portable fan testing device includes: a testing fixture, wherein a speed controller is provided inside the testing fixture, and an interface for electrical connection between the fan under test and the speed controller is provided on one side of the testing fixture; and a clamping assembly, wherein the clamping assembly includes a fixed base and a movable component, the testing fixture is mounted on the fixed base, the movable component is disposed on one side of the testing fixture, the movable component includes a fan pressure plate, a screw, and a fixed plate fixed on the fixed base, one end of the screw faces the fan pressure plate, and the other end of the screw is threadedly connected to the fixed plate, and when the screw rotates in a first direction, it drives the fan pressure plate to move toward the testing fixture, so that the fan pressure plate cooperates with the testing fixture to clamp the fan under test.

[0005] In addition, the portable wind turbine testing device proposed according to this utility model may also have the following additional technical features: According to one embodiment of the present invention, the movable component further includes two intersecting connecting rods, the fixed ends of the connecting rods being rotatably fixed to the fixed base or the fixed plate, and the fan pressure plate having a guide strip on the side facing the fixed plate, the guide strip having a guide hole or guide groove suitable for the movable end of the connecting rod to move.

[0006] According to one embodiment of the present invention, the movable component further includes a connecting rod pin, which is disposed at the movable end of the connecting rod, and the guide strip is provided with a guide hole or guide groove suitable for the movement of the connecting rod pin.

[0007] According to one embodiment of the present invention, the movable component further includes a guide plate, which is located on both sides of the fan pressure plate and parallel to the screw.

[0008] According to one embodiment of the present invention, the fan pressure plate is provided with a buffer strip on the side facing the fan to be tested.

[0009] According to one embodiment of the present invention, the test fixture is further provided with a power supply voltage conversion module, a power interface and a variety of switching power supplies with different voltage levels. The power supply voltage conversion module is electrically connected to the fan under test through the power interface. The power supply voltage conversion module is used to electrically connect the switching power supply matched with the fan under test to the fan under test.

[0010] According to one embodiment of the present invention, the testing fixture is further provided with a display screen, which is electrically connected to the speed controller, and the display screen is used to display the fan speed controlled by the speed controller.

[0011] According to one embodiment of the present invention, the testing fixture is further provided with a handle.

[0012] According to one embodiment of the present invention, an infrared fan speed tester is also included, which is suitable for detecting the speed of the fan under test.

[0013] The beneficial effects of this utility model are: This portable fan testing device, through the installation of a screw on a fixed base that drives the fan clamping plate to move toward the testing fixture, with one end of the screw threadedly connected to the fixed plate, allows the operator to simply drive the screw in the clamping assembly to rotate in a first direction, thereby enabling the fan clamping plate to cooperate with the testing fixture to clamp the fan under test. It is suitable for testing small fans of different models and has high versatility. The device has a simple structure, requires no complicated installation and debugging, which helps to reduce the size of the device, facilitates fan testing by a single person, and can effectively improve testing efficiency and reduce costs. Attached Figure Description

[0014] Figure 1 This is a front view of the portable fan testing device according to an embodiment of the present invention; Figure 2 and Figure 3 A schematic diagram showing two different models of fans placed in a portable fan testing device; Figure 4 This is an exploded view of a clamping assembly according to an embodiment of the present invention; Figure 5 This is a block diagram of a test fixture according to an embodiment of the present invention.

[0015] Figure label: 1. Test fixture, 11. Speed ​​controller, 12. Power supply voltage conversion module, 13. Power interface, 14. Switching power supply, 15. Display screen, 16. Handle, 2. Clamping assembly, 21. Fixed base, 22. Movable assembly, 221. Fan pressure plate, 222. Screw, 223. Fixed plate, 224. Connecting rod, 225. Guide bar, 226. Connecting pin, 227. Guide plate, 228. Buffer bar, A. Fan under test. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] like Figures 1 to 4 As shown, the portable fan testing device of this utility model embodiment includes: a testing fixture 1 and a clamping assembly 2. The testing fixture 1 is equipped with a speed controller 11, and one side of the testing fixture 1 has an interface for electrical connection between the fan under test A and the speed controller 11. The clamping assembly 2 includes a fixed base 21 and a movable assembly 22. The testing fixture 1 is mounted on the fixed base 21, and the movable assembly 22 is disposed on one side of the testing fixture 1. The movable assembly 22 includes a fan pressure plate 221, a screw 222, and a fixing plate 223 fixed to the fixed base 21. One end of the screw 222 faces the fan pressure plate. 221. The other end of the screw 222 is threadedly connected to the fixing plate 223. When the screw 222 rotates in the first direction, it drives the fan pressure plate 221 to move toward the test fixture 1, so that the fan pressure plate 221 and the test fixture 1 cooperate to clamp the fan A under test, thereby measuring parameters such as fan speed, fan noise, and fan frequency of the fan A under test. This embodiment does not impose any limitations on this. When the screw 222 rotates in the opposite direction of the first direction, the fan pressure plate 221 loses the driving force to move toward the test fixture 1, and the fan A under test can be released, making it easy for the fan A under test to be removed from the portable fan testing device.

[0018] According to the portable fan testing device of this utility model embodiment, a screw 222 is provided on the fixed base 21 to drive the fan clamping plate to move toward the testing fixture 1, and one end of the screw 222 is threadedly connected to the fixed plate 223. The operator only needs to drive the screw 222 in the clamping assembly 2 to rotate in the first direction to make the fan pressure plate 221 cooperate with the testing fixture 1 to clamp the fan A under test. It is suitable for testing small fans of different models and has high versatility. The device has a simple structure, does not require complicated installation and debugging, which helps to reduce the size of the device, facilitates fan testing by a single person, and can effectively improve testing efficiency and reduce costs.

[0019] In one embodiment of the present invention, the movable component 22 may further include two cross-arranged connecting rods 224. The fixed end of the connecting rod 224 is rotatably fixed to the fixed base 21 or the fixed plate 223. The fan pressure plate 221 is provided with a guide strip 225 on the side facing the fixed plate 223. The guide strip 225 is provided with a guide hole or guide groove suitable for the movable end of the connecting rod 224 to move. When the fan pressure plate 221 approaches the test fixture 1 under the drive of the screw 222, since the fixed end of the connecting rod 224 is relatively fixed on the fixed base 21 or the fixed plate 223, the movable ends of the two connecting rods 224 set on the fan pressure plate 221 will approach each other, thereby providing a certain support and guidance for the fan pressure plate 221 and ensuring that the fan pressure plate 221 can remain stable during movement. The setting of the connecting rod 224 can not only control the farthest distance of the fan pressure plate 221, but also share part of the force of the test fan A or other structures acting on the fan pressure plate 221, avoiding damage caused by excessive force on the fan pressure plate 221 or the screw 222.

[0020] In one embodiment of this utility model, the movable component 22 may further include a connecting pin 226, which is disposed at the movable end of the connecting rod 224. The guide strip 225 is provided with a guide hole or guide groove suitable for the movement of the connecting pin 226. In some other embodiments of this utility model, instead of configuring a separate connecting pin 226 at the movable end of the connecting rod 224, a protruding structure may be directly provided at the movable end of the connecting rod 224, and a guide hole or guide groove suitable for the movement of the protruding structure may be provided on the guide strip 225. This embodiment does not impose any limitations on this.

[0021] In one embodiment of this utility model, the movable component 22 may further include guide plates 227. The guide plates 227 are located on both sides of the fan pressure plate 221 and are parallel to the screw 222, so that the fan pressure plate 221 can move along the guide plates 227 on both sides under the drive of the screw 222. This avoids the fan pressure plate 221 tilting during movement, which could cause uneven force on the tested fan A and the risk of deformation or damage due to excessive local force. In some other embodiments of this utility model, a groove parallel to the screw 222 may be provided on the fixed base 21, so that the fan pressure plate 221 can move along the extension direction of the groove, etc. This embodiment does not limit this.

[0022] In one embodiment of this utility model, a buffer strip 228 may be provided on the side of the fan pressure plate 221 facing the fan A to be tested, as a buffer between the fan pressure plate 221 and the fan A to be tested.

[0023] like Figure 5As shown, in one embodiment of this utility model, the test fixture 1 may also be equipped with a power supply voltage conversion module 12, a power interface 13, and various switching power supplies 14 with different voltage levels. The power supply voltage conversion module 12 is electrically connected to the fan under test A through the power interface 13. The power supply voltage conversion module 12 is used to electrically connect the switching power supply 14 matched with the fan under test A to the fan under test A. The power interface 13 and the interface connecting the speed controller 11 to the fan under test A can be located at the same opening position in the test fixture 1 for easy cable management. The switching power supply 14 may include 12V, 24V, 48V switching power supplies, etc., to adapt to DC fans with different operating voltages. The power supply voltage conversion module 12 may be equipped with a 220V terminal block for connecting to an external AC power supply. The specific circuit of the power supply voltage conversion module 12 can refer to existing switching power supplies; its principle is to convert AC power to DC power. In some other embodiments of this utility model, the portable fan testing device can also be used for testing DC fans with built-in power supplies. In this case, the power supply voltage conversion module 12, power interface 13 and switching power supply 14 may not be provided in the testing fixture 1. This embodiment does not impose any limitations.

[0024] like Figure 2 and Figure 5 As shown, in one embodiment of this utility model, the test fixture 1 may also be equipped with a display screen 15, which is electrically connected to the speed controller 11. The display screen 15 is used to display the fan speed controlled by the speed controller 11. In some embodiments of this utility model, the display screen 15 is a touch screen, or operation keys are arranged around the display screen 15. Operators can also control the fan speed set in the speed controller 11 through the display screen 15 and software operation to achieve fan speed control between 0 and 100%. The specific circuit design of the speed controller 11 can refer to the circuit setting of the fan speed regulating device in patent CN119412367A. Those skilled in the art can also design the specific circuit structure of the speed controller 11 according to specific needs. This embodiment does not impose any limitations.

[0025] In some other embodiments of this utility model, the test fixture 1 may also be equipped with a signal receiving module, so that the operator can send control commands to the speed controller 11 through wireless control (Bluetooth, WIFI, etc.) to adjust the fan speed, etc. This embodiment does not limit this.

[0026] In one embodiment of this utility model, the testing fixture 1 may also be provided with a handle 16 for easy handling.

[0027] In one embodiment of this utility model (not shown), an infrared fan speed tester may also be included, which is suitable for detecting the speed of the fan A under test. The specific structure of the infrared fan speed tester can be found in patent CN214669140U. Those skilled in the art can also select other types of fan speed testers to detect the speed of the fan A under test according to specific needs. This embodiment does not limit this.

[0028] In a specific embodiment of this utility model, the operation process for testing the fan speed of the fan A under test is as follows: (1) Place the fan A under test on the fixed base 21 and drive the fan pressure plate 221 to clamp the fan A under test by rotating the screw 222; (2) Connect the fan A under test and the speed controller 11 through the interface of the test fixture 1. If the fan A under test needs an external power supply, the fan A under test and the voltage conversion module can also be connected through the power interface 13; (3) Adjust the fan speed controlled by the speed controller 11 through the touch screen 15 or other wired or wireless control methods; (4) Measure the actual fan speed of the fan A under test.

[0029] In the description of this utility model, "multiple" means two or more, unless otherwise explicitly specified.

[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "connection", "linking", "fixing" and other such terms should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components.

[0031] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

Claims

1. A portable fan testing device, characterized in that, include: Test fixture (1), the test fixture (1) is equipped with a speed controller (11), and one side of the test fixture (1) is provided with an interface for the fan under test (A) to be electrically connected to the speed controller (11); The clamping assembly (2) includes a fixed base (21) and a movable assembly (22). The test fixture (1) is mounted on the fixed base (21). The movable assembly (22) is located on one side of the test fixture (1). The movable assembly (22) includes a fan pressure plate (221), a screw (222), and a fixing plate (223) fixed on the fixed base (21). One end of the screw (222) faces the fan pressure plate (221), and the other end of the screw (222) is threadedly connected to the fixing plate (223). When the screw (222) rotates in the first direction, it drives the fan pressure plate (221) to move toward the test fixture (1) so that the fan pressure plate (221) and the test fixture (1) cooperate to clamp the fan (A) under test.

2. The portable fan testing device according to claim 1, characterized in that, The movable component (22) also includes two cross-arranged connecting rods (224). The fixed end of the connecting rod (224) is rotatably fixed to the fixed base (21) or the fixed plate (223). The fan pressure plate (221) is provided with a guide strip (225) on the side facing the fixed plate (223). The guide strip (225) is provided with a guide hole or guide groove suitable for the movable end of the connecting rod (224) to move.

3. The portable fan testing device according to claim 2, characterized in that, The active component (22) also includes a connecting pin (226), which is located at the active end of the connecting rod (224), and the guide strip (225) is provided with a guide hole or guide groove suitable for the movement of the connecting pin (226).

4. The portable fan testing device according to claim 1, characterized in that, The active component (22) also includes a guide plate (227) located on both sides of the fan pressure plate (221) and parallel to the screw (222).

5. The portable fan testing device according to claim 1, characterized in that, The fan pressure plate (221) is provided with a buffer strip (228) on the side facing the fan (A) to be tested.

6. The portable fan testing device according to claim 1, characterized in that, The test fixture (1) is also equipped with a power supply voltage conversion module (12), a power interface (13) and a variety of switching power supplies (14) with different voltage levels. The power supply voltage conversion module (12) is electrically connected to the fan under test (A) through the power interface (13). The power supply voltage conversion module (12) is used to electrically connect the switching power supply (14) matched with the fan under test (A) to the fan under test (A).

7. The portable fan testing device according to claim 1, characterized in that, The test fixture (1) is also equipped with a display screen (15), which is electrically connected to the speed controller (11). The display screen (15) is used to display the fan speed controlled by the speed controller (11).

8. The portable fan testing device according to claim 1, characterized in that, The test fixture (1) is also equipped with a handle (16).

9. The portable fan testing device according to claim 1, characterized in that, It also includes an infrared fan speed tester, which is suitable for detecting the speed of the fan under test (A).

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