Cooling fan voltage testing device

Abstract

The utility model discloses a cooling fan voltage testing device which comprises a testing table, a power connection port is fixedly installed on one side of the upper surface of the testing table, a first testing area is arranged below the power connection port and located on the upper surface of the testing table, and a second testing area is arranged on one side of the first testing area. A plurality of first bayonet sockets of different models and types are fixedly installed on the first testing area, second bayonet sockets of the same model and type are fixedly installed on the second testing area, an FG frequency generator is fixedly installed below the first testing area and located on the testing table, and an element integration box is fixedly installed at the bottom end of the testing table. The cooling fan voltage testing device can test the rotating speed conditions of the fan under different voltages, so that the cooling performance of the fan under different voltages can be known, and the cooling fan voltage testing device has a good fan performance testing effect and is convenient to use. Moreover, the plug-in testing device can meet the plug-in testing work of fans with ports of different models, and reduces the use limitation.

Description

TECHNICAL FIELD

[0001] The utility model relates to the heat dissipation fan detection technical field, concretely is a heat dissipation fan voltage testing device. BACKGROUND

[0002] Computer fan is also called heat dissipation fan, is generally used for heat dissipation. Provide radiator and chassis use. The size of general heat dissipation fan on the market is from 2.5cm to 30cm in diameter, and the thickness is from 6mm to 76mm, and according to different operation requirements, AC (AC, power from household socket) and common D power (DC, power from computer power supply or mainboard) can be used, most of which use two-phase motor (two groups of copper coils, a total of four units), which is beneficial to saving production cost under the condition of low speed.

[0003] The heat dissipation fan needs to test various performances of the fan during production, which includes different speed test of the fan under different voltages. The voltage testing device needs to be used for this test work, but the traditional voltage testing device is mostly medium-large cabinet type structure design, so the structure is relatively cumbersome when using, and it is not convenient to carry, and the practicability is poor. Therefore, the utility model provides a small and portable heat dissipation fan voltage testing device. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a heat dissipation fan voltage testing device to solve the problems in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a heat dissipation fan voltage testing device, including test platform, the test platform upper surface one side fixed installation has the electricity port, the electricity port below and located test platform upper surface is provided with first test area, first test area one side is provided with second test area, first test area is fixedly installed with a plurality of different model types's first plug-in seat, the second test area is fixedly installed with the same model type's second plug-in seat, the lower of first test area and located test platform is fixedly installed with FG frequency generator, the bottom of test platform is fixedly installed with element integrated box, the inside of element integrated box is fixedly installed with PCB circuit board.

[0006] Preferably, the PCB circuit board is electrically connected to the electricity port, the FG frequency generator, the first test area and the second test area through data wires.

[0007] Preferably, the FG frequency generator is electrically connected to the first test area and the second test area.

[0008] Preferably, the PCB circuit board is fixedly installed with a data processor, a control single-chip microcomputer and a data feedback device.

[0009] Preferably, the bottom end of the test bench is fixedly installed with supporting feet at four corners.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The heat dissipation fan voltage testing device can test the fan rotating speed under different voltages, so that the fan heat dissipation performance under different voltages can be known, and the fan performance testing effect is good, and the heat dissipation fan voltage testing device can meet the fan plug-in testing work of different models, the first plug-in seat of different models can be suitable for the fan of different models for power testing, the diversity of different fan testing is met, the use limitation is reduced, the application range of the testing device is improved, compared with the traditional cabinet type testing device, the structure is more compact and simple, convenient to carry, good use portability, stronger practicality, low manufacturing and maintenance cost, and is suitable for popularization and use. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a testing device upper surface perspective structural schematic view of the embodiment of the utility model;

[0013] Figure 2 It is a testing device upper surface perspective structural schematic view of the embodiment of the utility model;

[0014] Figure 3 It is a testing device upper surface perspective structural schematic view of the embodiment of the utility model;

[0015] Figure 4 It is a voltage testing system module structure schematic view of the embodiment of the utility model.

[0016] In the drawing: 1, test bench; 2, power port; 3, first test area; 4, first plug-in seat; 5, second test area; 6, second plug-in seat; 7, FG frequency generator; 8, element integrated box; 9, PCB circuit board; 10, data processor; 11, control single-chip microcomputer; 12, data feedback device; 13, supporting foot. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external", "front end", "rear end", "both ends", "one end", "the other end" and so on indicate the position relation or position relation based on the position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the utility model, it needs to explain, unless otherwise specified and limited, the terms "installation", "provided with", "connection" and so on should be understood broadly, for example, "connection", can be fixed connection, can also be detachable connection, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0020] Please refer to Figures 1-4 The utility model provides an embodiment: a heat dissipation fan voltage test device, including test platform 1, the test platform 1 upper surface one side fixed installation has the electricity port 2, the electricity port 2 in actual use, it can pass through the electricity lead electric connection external voltage output device, so it can pass through the voltage output of different test voltage of output device, the electricity port 2 below and located the test platform 1 upper surface is provided with the first test area 3, the first test area 3 one side is provided with the second test area 5, the first test area 3 is fixedly installed with a plurality of different model types's first plug-in seat 4, and different model types's first plug-in seat 4 can be suitable for the fan of different model connector and carry out electricity test, satisfy the diversity of different fan test, reduce the use limitation, improve the application range of the test device, the second test area 5 is fixedly installed with the second plug-in seat 6 of same model type, and the second plug-in seat 6 can test the interface fan of same model;

[0021] The first test area 3 below and located the test platform 1 is fixedly installed with FG frequency generator 7, and FG frequency generator 7 is also called fan FG, and the working principle is that: when the fan operates, the N, S pole switching of rotor will produce high-low level change, and the faster the speed, the faster the level change;

[0022] By detecting these level changes, the rotational speed of the fan can be calculated, specifically, the rotational speed per minute can be calculated by the square wave frequency and the number of magnetic pole pairs: rotational speed per minute = square wave frequency x (60 / number of magnetic pole pairs), in the practical new type, when it is used, it can be used for detecting the rotational speed of the fan, the bottom end of the test bench 1 is fixedly installed with an element integrated box 8, a PCB circuit board 9 is fixedly installed in the element integrated box 8, and the PCB circuit board 9 plays a comprehensive control role;

[0023] In order to ensure normal electrical connection, the PCB circuit board 9 is electrically connected with the power connection port 2, the FG frequency generator 7, the first test area 3 and the second test area 5 through data wires.

[0024] Further, the FG frequency generator 7 is electrically connected with the first test area 3 and the second test area 5.

[0025] In the embodiment, the PCB circuit board 9 is fixedly installed with a data processor 10, a control single-chip microcomputer 11 and a data feedback device 12.

[0026] The data processor 10 is used for data processing of the rotational speed signal detected by the FG frequency generator 7, the processed data can be transmitted to the control single-chip microcomputer 11, the control single-chip microcomputer 10 can analyze the processed data of the data processor 10, and the data feedback device 12 is controlled by the control single-chip microcomputer 11 to perform data feedback, and the terminal of the data feedback is a computer terminal, so that the rotational speed of the heat dissipation fan under different voltages can be tested, and the comprehensive heat dissipation performance of the heat dissipation fan can be analyzed.

[0027] In the embodiment, in order to support the bottom four corners of the test bench 1 and improve stability, support pads 13 are fixedly installed at the bottom four corners of the test bench 1.

[0028] Working principle: before use, the power connection port 2 can be electrically connected with an external voltage output device through a power connection wire, so that different test voltages can be output by the voltage output device;

[0029] When testing, the heat dissipation fan to be tested is electrically connected with the first plug-in seat 4 or the second plug-in seat 6, and the voltage output by the external voltage output device is used to drive the heat dissipation fan to rotate;

[0030] When the heat dissipation fan rotates, the FG frequency generator 7 can detect the rotational speed of the fan under the current voltage, the voltage output device can output and adjust different voltages, so that the rotational speed data of the fan under different voltages can be obtained;

[0031] The FG frequency generator 7 transmits the data to the data processor 10, the data processor 10 comprehensively processes the rotating speed data, and the processed data can be transmitted to the control single-chip 11; the control single-chip 10 set can analyze the processed data of the data processor 10, and the data feedback device 12 is controlled by the control single-chip 11 to feedback the data, and the terminal of the data feedback is a computer terminal, so that the rotating speed of the heat dissipation fan under different voltages can be tested, and the comprehensive heat dissipation performance of the heat dissipation fan can be analyzed.

[0032] In summary, the heat dissipation fan voltage testing device can test the rotating speed of the fan under different voltages, so that the heat dissipation performance of the fan under different voltages can be understood, and the fan performance testing effect is good; the heat dissipation fan voltage testing device can meet the fan plug-in testing work of different models, the first plug-in seat 4 of different types can be suitable for the fan of different connectors for power testing, and the diversity of different fan testing is met, the use limitation is reduced, the application range of the testing device is improved, and compared with the traditional cabinet type testing device, the structure is more compact and simple, convenient to carry, good in use portability, stronger in practicality, low in manufacturing and maintenance cost, and suitable for popularization and use.

[0033] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A heat dissipation fan voltage testing device comprising a testing table (1), characterized in that, The upper surface of the test platform (1) is fixedly provided with an electricity connection port (2), and a first test area (3) is arranged below the electricity connection port (2) and on the upper surface of the test platform (1); one side of the first test area (3) is provided with a second test area (5); a plurality of first plug-in sockets (4) of different types are fixedly arranged on the first test area (3); a second plug-in socket (6) of the same type is fixedly arranged on the second test area (5); a FG frequency generator (7) is fixedly arranged below the first test area (3) and on the test platform (1); an element integrated box (8) is fixedly arranged at the bottom end of the test platform (1); and a PCB circuit board (9) is fixedly arranged in the element integrated box (8).

2. The heat dissipation fan voltage testing device according to claim 1, wherein: The PCB circuit board (9) is electrically connected to the electricity connection port (2), the FG frequency generator (7), the first test area (3) and the second test area (5) through data wires.

3. The heat dissipation fan voltage testing device of claim 1, wherein: The FG frequency generator (7) is electrically connected to the first test area (3) and the second test area (5).

4. The heat dissipation fan voltage testing device of claim 2, wherein: A data processor (10), a control single-chip microcomputer (11) and a data feedback device (12) are fixedly arranged on the PCB circuit board (9).

5. The heat dissipation fan voltage testing device of claim 1, wherein: Supporting pads (13) are fixedly arranged at the four corners of the bottom end of the test platform (1).

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