Cooling fan detection device

Abstract

The utility model discloses a cooling fan detection device which comprises a detection table, a moving assembly is installed on the top wall of the detection table, a detection assembly is installed in the middle of the top wall of the detection table, and a simulation cooling assembly is installed on the right side of the top wall of the detection table. According to the cooling fan detection device, an electric push rod pushes a movable clamping block, a fixed seat and an L-shaped limiting rod to move downwards, the fixed seat drives a speed measurement fan blade to correspond to a computer cooling fan, heat is discharged through a heat dissipation opening, the temperature change speed in a simulation bin is sensed through a temperature sensor, and the heat dissipation effect of the computer cooling fan is known; according to the invention, when the cooling fan is detected, the cooling effect and noise of the computer cooling fan at different speeds can be detected, the overall detection effect is improved, the detection range is expanded, and the overall performance of the cooling fan can be known in detail.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation fan detection, in particular to a heat dissipation fan detection device. Background Art

[0002] Computer fans are also called cooling fans, which are generally used for heat dissipation and are provided for use in radiators and chassis. The sizes of general cooling fans on the market range from 2.5cm to 30cm in diameter, and the thickness ranges from 6mm to 76mm. When working, the speed of the cooling fan can also be adjusted in multiple gears to match the temperature of the machine body for heat dissipation.

[0003] Patent No. CN215766940U discloses a cooling fan detection device, which includes a detection platform, a horizontal mounting rod is provided on the detection platform, a laser emitter and a visual sensor are provided at the bottom of the horizontal mounting rod, a laser emitter head for irradiating the surface of the cooling fan is provided at the end of the laser emitter, the laser emitter head is tilted, the laser emitter is electrically connected to the main controller, and the visual sensor is used to record the position of the laser emitter head irradiating the surface of the cooling fan. This application has the effect of improving the efficiency of detecting the height difference of the cooling fan plane.

[0004] There are certain deficiencies in the use of the above-mentioned device: when the above-mentioned device is working, it has the effect of improving the efficiency of detecting the height difference of the cooling fan plane, but it does not detect the noise and cooling effect of the fan when it rotates at different speeds, so the overall detection range is small and the overall performance of the cooling fan to be detected is not well understood.

[0005] Therefore, the utility model provides a cooling fan detection device to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a cooling fan detection device to solve the above problems.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a cooling fan detection device, including a detection platform, a moving component is installed on the top wall of the detection platform, a detection component is installed in the middle of the top wall of the detection platform, and a simulated cooling component is installed on the right side of the top wall of the detection platform;

[0008] The detection assembly includes a U-shaped frame, an electric push rod is installed in the middle of the top wall of the U-shaped frame, the movable end of the electric push rod slides through the U-shaped frame and is fixedly connected to a moving block, a fixing seat is installed on the bottom wall of the moving block, the front and rear parts of the side walls of the fixing seat are provided with installation openings, the inner walls of the installation openings are installed with speed measuring blades, a connecting seat is installed on the right wall of the fixing seat, and a noise detection probe is fixedly installed on the left end of the bottom of the connecting seat;

[0009] The simulated heat dissipation component includes a simulated chamber, a plurality of heat dissipation ports are evenly arranged on the right side wall of the simulated chamber, an electric heating block is installed on the bottom wall of the simulated chamber, air inlets are opened on the front and rear parts of the left side wall of the simulated chamber, and temperature sensors are installed on the bottom wall and the inner front wall of the simulated chamber.

[0010] Through the above technical solution, the detection component and the simulated heat dissipation component cooperate with each other, so that the computer cooling fan can be further tested for heat dissipation and noise, and the rotation speed of the computer cooling fan can be tested, and the overall detection efficiency is higher.

[0011] Furthermore, the front and rear parts of the bottom wall of the U-shaped frame are installed on the middle part of the top wall of the detection platform by bolts, and an L-shaped limit rod is installed on the rear wall of the movable block. The top end of the L-shaped limit rod slides through the U-shaped frame and extends to the outside. The speed measuring fan blades are electrically connected to the external wind speed detector, the connecting seat is "L"-shaped, and the noise detection probe is electrically connected to the external noise detector.

[0012] Through the above technical solution, the L-shaped limit rod is mainly used to limit the up and down movement of the moving block to prevent the position from being cheap during the movement.

[0013] Furthermore, support seats are fixedly installed at the four corners of the bottom wall of the simulation bin, the bottom ends of the support seats are fixedly connected to the right side of the top wall of the detection table, and an electric heating module is installed on the bottom wall of the simulation bin, and the electric heating module is electrically connected to the electric heating block.

[0014] Through the above technical solution, the support seat has the function of supporting and fixing the simulation chamber, and the electric heating module controls the electric heating block to work.

[0015] Furthermore, the moving component includes a driving motor, which is fixedly connected to the left side wall of the detection platform. A trapezoidal long groove is opened on the top wall of the detection platform. An adjusting screw is rotatably installed on the inner wall of the trapezoidal long groove. The power shaft of the driving motor passes through the detection platform and is fixedly connected to the adjusting screw through a bearing.

[0016] Through the above technical solution, the driving motor is connected through an external power source and drives the adjusting screw to rotate.

[0017] Furthermore, a trapezoidal slider is threadedly mounted on the outer wall of the adjusting screw rod, the outer wall of the trapezoidal slider is slidably connected to the inner wall of the trapezoidal long groove, and a moving platform is fixedly mounted on the top wall of the trapezoidal slider, and the moving platform is "U"-shaped.

[0018] Through the above technical solution, when the adjusting screw rod rotates, it drives the trapezoidal slider to move linearly left and right, and when the trapezoidal slider moves, it drives the moving platform to move.

[0019] Furthermore, electric telescopic rods are installed on the front and rear walls of the mobile platform, the movable ends of the electric telescopic rods are slid through the mobile platform and fixedly connected to a U-shaped clamp, the inner walls of the U-shaped clamps are installed with protective pads, guide wheels are rotatably installed on the four corners of the bottom wall of the mobile platform, travel grooves are opened on the front and rear parts of the top wall of the detection platform, and the inner walls of the travel grooves are rollingly connected to the corresponding outer walls of the guide wheels.

[0020] Through the above technical solution, the electric telescopic rod can drive the U-shaped clamp and the protective pad to clamp and fix the computer cooling fan when working, preventing position displacement during movement.

[0021] Furthermore, a main controller is installed on the front wall of the U-shaped frame, and the main controller is electrically connected to the electric heating module, the electric push rod, the external wind speed detector, the external noise detector, the temperature sensor, the drive motor and the electric telescopic rod. Support legs are fixedly installed on the four corners of the bottom wall of the testing platform.

[0022] Through the above technical solution, the main controller controls the electric heating module, the electric push rod, the external wind speed detector, the external noise detector, the temperature sensor, the drive motor and the electric telescopic rod to work.

[0023] Beneficial Effects

[0024] The utility model provides a cooling fan detection device. Compared with the prior art, it has the following beneficial effects:

[0025] (1) The cooling fan detection device pushes the movable card block, the fixed seat, and the L-shaped limit rod downward by an electric push rod, and the fixed seat drives the speed measuring fan blade to correspond to the computer cooling fan. The fixed seat drives the connecting seat and the noise detection probe to be located at the corresponding position of the computer cooling fan. The speed measuring fan blade and the external wind speed detector detect the wind speed of the computer cooling fan, and the noise detection probe and the external noise detector detect the noise of the computer cooling fan. The mobile platform continues to move to the position of the simulated heat dissipation component. The electric heating module controls the electric heating block to heat inside the simulation chamber. The temperature sensor senses the temperature change inside the simulation chamber to simulate the internal temperature of the computer. After the computer cooling fan is aimed at the air inlet, it blows air into the simulation chamber to dissipate heat. The heat is discharged through the heat dissipation port. The temperature sensor senses the temperature change speed inside the simulation chamber to understand the cooling effect of the computer cooling fan. When the cooling fan is detected, the cooling effect and noise of the computer cooling fan at different speeds can be detected, thereby improving the overall detection effect and expanding the detection range, and understanding the overall performance of the cooling fan in more detail.

[0026] (2) The cooling fan detection device places the computer cooling fan on the top of the mobile platform, and the electric telescopic rod pushes the U-shaped clamp and the protection pad to approach each other, so that the U-shaped clamp and the protection pad clamp and fix the computer cooling fan, and the driving motor drives the adjusting screw to rotate, and the trapezoidal slider moves linearly along the outer wall of the adjusting screw and the inner wall of the trapezoidal long groove. The trapezoidal slider drives the mobile platform and the clamped computer cooling fan to move, and the guide wheel rolls along the travel groove. When the computer cooling fan moves to the bottom of the U-shaped frame, the computer cooling fan can be clamped and fixed, and then moved to the position of the detection module for coordinated detection, which is more convenient when there is no need for excessive human participation in the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is the front view of the external structure of the utility model;

[0028] Figure 2 It is a front view of the internal structure of the utility model;

[0029] Figure 3 It is a left view of the external structure of the utility model;

[0030] Figure 4 It is a right view of the external structure of the utility model;

[0031] Figure 5 It is a top view of the internal structure of the simulation bin of the utility model.

[0032] In the figure, 1, the test table; 2, the support leg; 3, the simulated heat dissipation component; 31, the simulated chamber; 32, the air inlet; 33, the heat dissipation port; 34, the electric heating block; 35, the electric heating module; 36, the support seat; 37, the temperature sensor; 4, the detection component; 41, the U-shaped frame; 42, the electric push rod; 43, the L-shaped limit rod; 44, the moving card block; 45, the connecting seat; 46, the speed measuring fan blade; 47, the installation port; 48, the fixed seat; 49, the noise detection probe; 5, the main controller; 6, the moving component; 61, the driving motor; 62, the trapezoidal long groove; 63, the trapezoidal slider; 64, the adjusting screw; 65, the moving table; 66, the guide wheel; 67, the travel groove; 68, the U-shaped clamp; 69, the protective pad; 610, the electric telescopic rod. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Embodiment 1:

[0035] See also Figure 1-5 A cooling fan detection device comprises a detection platform 1, a moving component 6 is installed on the top wall of the detection platform 1, a detection component 4 is installed in the middle of the top wall of the detection platform 1, and a simulated cooling component 3 is installed on the right side of the top wall of the detection platform 1;

[0036] The detection assembly 4 includes a U-shaped frame 41, an electric push rod 42 is installed in the middle of the top wall of the U-shaped frame 41, the movable end of the electric push rod 42 slides through the U-shaped frame 41 and is fixedly connected to a moving block 44, a fixing seat 48 is installed on the bottom wall of the moving block 44, and mounting openings 47 are opened at the front and rear parts of the side walls of the fixing seat 48, and speed measuring blades 46 are installed on the inner walls of the mounting openings 47, a connecting seat 45 is installed on the right wall of the fixing seat 48, and a noise detection probe 49 is fixedly installed on the left end of the bottom of the connecting seat 45;

[0037] The simulated heat dissipation component 3 includes a simulated bin 31, a plurality of heat dissipation ports 33 are evenly provided on the right side wall of the simulated bin 31, an electric heating block 34 is installed on the inner bottom wall of the simulated bin 31, air inlets 32 are provided on the front and rear parts of the left side wall of the simulated bin 31, temperature sensors 37 are installed on the inner bottom wall and the inner front wall of the simulated bin 31, the front and rear parts of the bottom wall of the U-shaped frame 41 are installed on the middle part of the top wall of the detection platform 1 by bolts, an L-shaped limit rod 43 is installed on the rear wall of the movable block 44, the top end of the L-shaped limit rod 43 slides through the U-shaped frame 41 and extends to the outside, the speed measuring blades 46 are electrically connected to the external wind speed detector, the connecting seat 45 is "L"-shaped, the noise detection probe 49 is electrically connected to the external noise detector, the four corners of the bottom wall of the simulated bin 31 are fixedly installed with support seats 36, the bottom ends of the support seats 36 are fixedly connected to the right side of the top wall of the detection platform 1, the bottom wall of the simulated bin 31 is installed with an electric heating module 35, and the electric heating module 35 is electrically connected to the electric heating block 34;

[0038] In the embodiment of the utility model, the purpose of this arrangement is that the detection component 4 and the simulated heat dissipation component 3 work together to detect the rotation speed of the computer cooling fan, the noise decibels at different rotation speeds and the heat dissipation effect, which can improve the overall detection range and effect and provide a better understanding of the overall performance of the computer cooling fan.

[0039] Embodiment 2:

[0040] See also Figure 1-5 This embodiment provides a technical solution based on the first embodiment: the moving assembly 6 includes a driving motor 61, the driving motor 61 is fixedly connected to the left side wall of the detection platform 1, the top wall of the detection platform 1 is provided with a trapezoidal long groove 62, the inner wall of the trapezoidal long groove 62 is rotatably installed with an adjusting screw rod 64, the power shaft of the driving motor 61 passes through the detection platform 1 through a bearing and is fixedly connected with the adjusting screw rod 64, the outer wall of the adjusting screw rod 64 is screwed with a trapezoidal slider 63, the outer wall of the trapezoidal slider 63 is slidably connected with the inner wall of the trapezoidal long groove 62, the top wall of the trapezoidal slider 63 is fixedly installed with a moving platform 65, the moving platform 65 is "U"-shaped, and the front and rear walls of the moving platform 65 are both installed with electric telescopic rods 610 , the movable ends of the electric telescopic rod 610 are all slid through the moving platform 65 and are fixedly connected with a U-shaped clamp 68, the inner walls of the U-shaped clamp 68 are all installed with protective pads 69, the four corners of the bottom wall of the moving platform 65 are all rotatably installed with guide wheels 66, the front and rear parts of the top wall of the testing platform 1 are provided with travel grooves 67, the inner walls of the travel grooves 67 are all rollingly connected with the outer walls of the corresponding guide wheels 66, the front wall of the U-shaped frame 41 is installed with a main controller 5, the main controller 5 is electrically connected with the electric heating module 35, the electric push rod 42, the external wind speed detector, the external noise detector, the temperature sensor 37, the drive motor 61 and the electric telescopic rod 610, and the four corners of the bottom wall of the testing platform 1 are fixedly installed with support legs 2;

[0041] In the embodiment of the utility model, the purpose of this arrangement is that the movable component 6 can mainly clamp and fix the computer cooling fan to be tested, and can move it to the location of the detection component 4 and the simulated heat dissipation component 3, without the need for manual movement, which is more convenient during testing.

[0042] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0043] When working, firstly, the electric heating module 35, the electric push rod 42, the external wind speed detector, the external noise detector, the temperature sensor 37, the drive motor 61 and the electric telescopic rod 610 are electrically connected through the external power supply and the main controller 5, and the computer cooling fan to be tested is first placed on the top of the moving platform 65, and the U-shaped clamp 68 and the protective pad 69 are pushed closer to each other by the electric telescopic rod 610, so that the U-shaped clamp 68 and the protective pad 69 clamp and fix the computer cooling fan, and the drive motor 61 is driven to drive the adjusting screw rod. 64 rotates, and when the adjusting screw rod 64 rotates, it drives the trapezoidal slider 63 to move linearly from left to right along the outer wall of the adjusting screw rod 64 and the inner wall of the trapezoidal long groove 62. When the trapezoidal slider 63 moves, it drives the moving platform 65 and the clamped computer cooling fan to move, and the guide wheel 66 rolls along the stroke groove 67. When the computer cooling fan moves to the bottom of the U-shaped frame 41, the moving block 44 and the fixing seat 48 are pushed downward by starting the electric push rod 42, and the fixing seat 48 drives the L-shaped limit rod 43 moves downward, the fixing seat 48 drives the speed measuring blade 46 to move downward to correspond to the computer cooling fan, and at the same time, the fixing seat 48 drives the connecting seat 45 and the noise detection probe 49 to be located at the corresponding position of the computer cooling fan, and the computer cooling fan is started to work, and the wind speed of the computer cooling fan is detected by the speed measuring blade 46 and the external wind speed detector, and the noise of the computer cooling fan when working is detected by the noise detection probe 49 and the external noise detector. After the detection is completed, it continues to move to the position of the simulated heat dissipation component 3 through the moving platform 65, and controls the electric heating block 34 to work through the electric heating module 35. The electric heating block 34 is heated inside the simulation chamber 31 and senses the temperature change inside the simulation chamber 31 through the temperature sensor 37. The temperature inside the computer is simulated through the simulation chamber 31. When the test temperature is reached, the computer cooling fan is aimed at the air inlet 32 ​​and then blows air into the simulation chamber 31 to dissipate heat. The heat is discharged through the heat dissipation port 33, and the temperature change speed inside the simulation chamber 31 is sensed by the temperature sensor 37 to understand the heat dissipation effect of the computer cooling fan.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling fan detection device, comprising a detection platform (1), characterized in that: A moving component (6) is installed on the top wall of the detection platform (1), a detection component (4) is installed in the middle of the top wall of the detection platform (1), and a simulated heat dissipation component (3) is installed on the right side of the top wall of the detection platform (1); The detection assembly (4) comprises a U-shaped frame (41), an electric push rod (42) is installed in the middle of the top wall of the U-shaped frame (41), the movable end of the electric push rod (42) slides through the U-shaped frame (41) and is fixedly connected to a moving block (44), a fixing seat (48) is installed on the bottom wall of the moving block (44), the front and rear parts of the side walls of the fixing seat (48) are provided with installation openings (47), the inner walls of the installation openings (47) are installed with speed measuring blades (46), a connecting seat (45) is installed on the right wall of the fixing seat (48), and a noise detection probe (49) is fixedly installed on the left end of the bottom of the connecting seat (45); The simulated heat dissipation component (3) comprises a simulated chamber (31), a right side wall of the simulated chamber (31) is evenly provided with a plurality of heat dissipation openings (33), an inner bottom wall of the simulated chamber (31) is installed with an electric heating block (34), the front and rear parts of the left side wall of the simulated chamber (31) are both provided with air inlets (32), and the inner bottom wall and the inner front wall of the simulated chamber (31) are both installed with temperature sensors (37).

2. A cooling fan detection device according to claim 1, characterized in that: The front and rear parts of the bottom wall of the U-shaped frame (41) are both mounted on the middle part of the top wall of the detection platform (1) by means of bolts; an L-shaped limit rod (43) is mounted on the rear wall of the movable block (44); the top end of the L-shaped limit rod (43) slides through the U-shaped frame (41) and extends to the outside; the speed measuring blades (46) are electrically connected to an external wind speed detector; the connecting seat (45) is in an "L" shape; and the noise detection probe (49) is electrically connected to an external noise detector.

3. A cooling fan detection device according to claim 1, characterized in that: Support seats (36) are fixedly installed at the four corners of the bottom wall of the simulation chamber (31), and the bottom ends of the support seats (36) are fixedly connected to the right side of the top wall of the detection platform (1). An electric heating module (35) is installed on the bottom wall of the simulation chamber (31), and the electric heating module (35) is electrically connected to the electric heating block (34).

4. A cooling fan detection device according to claim 1, characterized in that: The moving assembly (6) comprises a driving motor (61), the driving motor (61) being fixedly connected to the left side wall of the detection platform (1), the top wall of the detection platform (1) being provided with a trapezoidal long groove (62), an adjusting screw rod (64) being rotatably mounted on the inner wall of the trapezoidal long groove (62), and a power shaft of the driving motor (61) passing through the detection platform (1) through a bearing and being fixedly connected to the adjusting screw rod (64).

5. A cooling fan detection device according to claim 4, characterized in that: A trapezoidal slider (63) is threadedly mounted on the outer wall of the adjusting screw rod (64); the outer wall of the trapezoidal slider (63) is slidably connected to the inner wall of the trapezoidal long groove (62); a moving platform (65) is fixedly mounted on the top wall of the trapezoidal slider (63); and the moving platform (65) is in a "U" shape.

6. A cooling fan detection device according to claim 5, characterized in that: The front and rear walls of the movable platform (65) are both installed with electric telescopic rods (610), the movable ends of the electric telescopic rods (610) are slidably penetrated through the movable platform (65) and are fixedly connected with U-shaped clamps (68), the inner walls of the U-shaped clamps (68) are both installed with protective pads (69), the four corners of the bottom wall of the movable platform (65) are rotatably installed with guide wheels (66), the front and rear parts of the top wall of the detection platform (1) are both provided with travel grooves (67), and the inner walls of the travel grooves (67) are rollingly connected with the outer walls of the corresponding guide wheels (66).

7. A cooling fan detection device according to claim 1, characterized in that: A master controller (5) is installed on the front wall of the U-shaped frame (41), and the master controller (5) is electrically connected to the electric heating module (35), the electric push rod (42), the external wind speed detector, the external noise detector, the temperature sensor (37), the drive motor (61) and the electric telescopic rod (610). Support legs (2) are fixedly installed at the four corners of the bottom wall of the detection platform (1).

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