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Combinational fan composite failure diagnosis test method

A composite fault and diagnosis test technology, which is applied to the testing of machines/structural components, measuring devices, instruments, etc., can solve the problems of delaying the use of machinery, time-consuming and labor-intensive problems, and achieve the effect of quickly solving problems and saving manpower and material resources

Inactive Publication Date: 2013-08-07
GUANGDONG UNIV OF PETROCHEMICAL TECH
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Problems solved by technology

[0002] At present, most of the fault diagnosis technologies for fans at home and abroad are based on the dismantling of fans, but when it involves a large number or size of fans, the fault diagnosis method of actual disassembly is used, which is time-consuming and laborious, and will delay the use of the machine

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  • Combinational fan composite failure diagnosis test method
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Embodiment Construction

[0021] Such as figure 1 As shown, the compound fault diagnosis test method for combined fans includes the following steps:

[0022] (1) Obtain the data information of the fan in normal operation state;

[0023] (2) Normalize the collected data information to form a change space for data information;

[0024] (3) Analyze the data information of the problematic fan and estimate the fault space of the fan;

[0025] (4) Simulate the operation of the fan through the combined compound test rotating machine, and simulate the data information of the problem fan to find the cause of the failure.

[0026] The faults detected by the data information include bearing faults, gearbox faults, and shaft faults.

[0027] The normalization of the data information includes bearing data information, gearbox data information, shaft data information, and overall data information.

[0028] The data information is temperature information and vibration information

[0029] Such as figure 2 The ...

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Abstract

The invention relates to a combinational fan composite failure diagnosis test method, which belongs to the field of the failure diagnosis method. The method comprises the following steps of (1) acquiring the data information of a fan under a normal operation state; (2) normalizing the collected data information to form a variation space of the data information; (3) analyzing the data information of the fan in failure, and estimating a fan failure space; and (4) by simulating the rotation situation of the fan through a combinational composite test rotary machine, simulating the data information of the fan in failure so as to find out a failure reason. The method has the beneficial effects that 1, the operation data of the fan can be stored and normalized, the failure of the fan can be found out by utilizing the combinational composite test rotary machine to simulate the real operation state of the fan according to the real operation situation of the fan, and the failure can be rapidly found and rapidly solved; and 2, when the fan is repaired, the manpower and the labor resource can be saved.

Description

technical field [0001] The invention belongs to the field of fault diagnosis methods, and in particular relates to a compound fault diagnosis test method for a combined fan. Background technique [0002] At present, most of the fault diagnosis technologies for fans at home and abroad are based on the dismantling of fans, but when it involves a large number or size of fans, the fault diagnosis method of actual disassembly is used, which is time-consuming and laborious, and will delay the use of the machine. Contents of the invention [0003] The invention provides a composite fan composite fault diagnosis test method that uses a combined composite machine to simulate the fault type of a fan, and compares it with actual information data to quickly and accurately find the cause of the fault. [0004] In order to solve the above problems, the present invention adopts the following steps: [0005] The composite fault diagnosis test method of combined fan includes the following...

Claims

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Application Information

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IPC IPC(8): G01M99/00
Inventor 张清华邵龙秋舒磊孙国玺刘晋胜崔得龙熊建斌覃爱淞王磊
Owner GUANGDONG UNIV OF PETROCHEMICAL TECH
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