Fan diagnostic device, diagnostic system and diagnostic method

Abstract

The present invention belongs to the technical field of mechanical vibration measuring equipment, and specifically relates to a fan diagnostic device, a diagnostic system and a diagnostic method. The fan diagnostic device comprises: a processing module, a shell, a first vibration collection mechanism, a second vibration collection mechanism and a third vibration collection mechanism; the first vibration mechanism, the second vibration collection mechanism and the third vibration collection mechanism respectively collect first vibration information, second vibration information and third vibration information transmitted by the fan to the shell to judge the operating state of the fan; the present invention realizes multi-axial detection of the vibration generated by the fan by arranging the shell close to the fan, and the first vibration collection mechanism, the second vibration collection mechanism and the third vibration collection mechanism respectively collect the first vibration information, the second vibration information and the third vibration information. At the same time, the electromagnetic field cannot act on the first vibration collection mechanism, the second vibration collection mechanism and the third vibration collection mechanism, so that the interference of the electromagnetic field can be overcome and the operating state of the fan can be accurately judged.

Description

Technical Field

[0001] The present invention belongs to the field of measurement technology, and specifically relates to mechanical vibration measurement equipment, and more particularly to a fan diagnosis device, a diagnosis system and a diagnosis method. Background Art

[0002] According to the mechanical industry standard JB / T 8689-2014, it is necessary to perform vibration detection on the ventilator. Currently, digital sensors such as accelerometers and gyroscopes are used to detect the vibration data of the ventilator.

[0003] However, after long-term use, digital sensors will drift due to factors such as temperature and humidity. In addition, vibration data requires the use of various sensors, and there are differences in sensitivity between different sensors, which cannot be accurately measured and have problems with nonlinear response. At the same time, they need to be set close to the motor in the ventilator, and the motor will generate a magnetic field when working, which will interfere with digital sensors such as accelerometers and gyroscopes.

[0004] Therefore, there is an urgent need to develop a new fan diagnostic device, diagnostic system and diagnostic method to solve the technical problems of drift, poor sensitivity and magnetic field interference of traditional digital sensors when detecting fan vibration data.

[0005] It should be noted that the above information disclosed in this background technology section is only used to understand the background technology of the present application concept, and therefore, the above description is not considered to constitute information of the prior art. Summary of the invention

[0006] The embodiments of the present disclosure at least provide a wind turbine diagnostic device, a diagnostic system, and a diagnostic method.

[0007] In a first aspect, an embodiment of the present disclosure provides a fan diagnostic device, which includes: a processing module, a shell, a first vibration collection mechanism, a second vibration collection mechanism and a third vibration collection mechanism; the shell is connected to the fan, and the first vibration collection mechanism, the second vibration collection mechanism and the third vibration collection mechanism are respectively connected to the inner wall of the shell and electrically connected to the processing module; the first vibration collection mechanism is vertically arranged, and the first vibration collection mechanism is located in a first plane; the second vibration collection mechanism is horizontally arranged, and the second vibration collection mechanism is located in a second plane; the third vibration collection mechanism is horizontally arranged, and the third vibration collection mechanism is located in a third plane; the first plane is parallel to the front side or rear side of the shell, the second plane is parallel to the front side or rear side of the shell, and the third plane is parallel to the left side or right side of the shell; the first vibration collection mechanism, the second vibration collection mechanism and the third vibration collection mechanism respectively collect the first vibration information, the second vibration information and the third vibration information transmitted to the shell by the fan, so that the processing module can judge the operating status of the fan.

[0008] In an optional embodiment, the first vibration collection mechanism includes: a first fixed tube, at least one first spiral collection component, and at least one first conductive swinging plate; the first fixed tube, each first spiral collection component, and each first conductive swinging plate are vertically arranged and located in a first plane, the first spiral collection component is sleeved on the first fixed tube, the first conductive swinging plate is located next to the first spiral collection component, the first fixed end of the first conductive swinging plate is connected to the inner wall of the shell, and the sensing surface of the first conductive swinging plate is arranged toward the first spiral collection component; each first spiral collection component and each first conductive swinging plate are electrically connected to a processing module; when the first conductive swinging plate swings driven by a fan, the processing module obtains the contact position between the first conductive swinging plate and the first spiral collection component and the number of contacts within a set time, that is, obtains the first vibration information.

[0009] In an optional implementation, when at least two first conductive swinging plates are provided, the processing module obtains corresponding first vibration information through each first conductive swinging plate for comparison and verification.

[0010] In an optional embodiment, the first spiral collection component includes: a first spiral coil; the first spiral coil is divided into a plurality of first conductive segments and a plurality of first insulating segments, and one first conductive segment is connected to another first conductive segment through at least one first insulating segment; each of the first conductive segments is equidistant and arranged toward the first conductive swing plate, and each of the first conductive segments is electrically connected to a processing module respectively; when any of the first conductive segments contacts the first conductive swing plate, the processing module obtains a corresponding voltage signal, that is, obtains the contact position of the first conductive swing plate and the first spiral coil and the number of contacts within a set time.

[0011] In an optional embodiment, the first spiral collection component includes: a first spiral coil; a plurality of first contacts are arranged on the surface of the first spiral coil, each of the first contacts is arranged toward the first conductive swing plate, and each of the first contacts is electrically connected to the processing module; when any of the first contacts contacts the first conductive swing plate, the processing module obtains a corresponding voltage signal, that is, obtains the contact position of the first conductive swing plate and the first spiral coil and the number of contacts within a set time.

[0012] In an optional embodiment, the first spiral coil is arranged with a variable diameter, and the diameter of the first spiral coil close to the inner wall of the shell is larger than the diameter away from the inner wall of the shell; the first conductive swing plate is arranged at an angle, and the distance between the first fixed end of the first conductive swing plate and the first fixed tube is larger than the distance between the first movable end of the first conductive swing plate and the first fixed tube.

[0013] In an optional embodiment, the second vibration collection mechanism includes: a second fixed tube, at least one second spiral collection component, and at least one second conductive swinging plate; the second fixed tube, each second spiral collection component, and each second conductive swinging plate are arranged horizontally and located in a second plane, the second spiral collection component is sleeved on the second fixed tube, the second conductive swinging plate is located next to the second spiral collection component, and the sensing surface of the second conductive swinging plate is arranged toward the second spiral collection component; each second spiral collection component and each second conductive swinging plate are electrically connected to a processing module; when the second conductive swinging plate swings driven by a fan, the processing module obtains the contact position between the second conductive swinging plate and the second spiral collection component and the number of contacts within a set time, that is, obtains the first vibration information; when at least two second conductive swinging plates are provided, the processing module obtains the corresponding second vibration information through each second conductive swinging plate for comparison and verification.

[0014] In an optional embodiment, the third vibration collection mechanism includes: a third fixed tube, at least one third spiral collection component, and at least one third conductive swinging plate; the third fixed tube, each third spiral collection component, and each third conductive swinging plate are arranged horizontally and located on a third plane, the third spiral collection component is sleeved on the third fixed tube, the third conductive swinging plate is located next to the third spiral collection component, and the sensing surface of the third conductive swinging plate is arranged toward the third spiral collection component; each of the third spiral collection components and each third conductive swinging plate is electrically connected to a processing module; when the third conductive swinging plate swings driven by a fan, the processing module obtains the contact position between the third conductive swinging plate and the third spiral collection component and the number of contacts within a set time, that is, obtains the third vibration information; when at least two third conductive swinging plates are provided, the processing module obtains the corresponding third vibration information through each third conductive swinging plate for comparison and verification.

[0015] In an optional embodiment, the structure of the second spiral collection component and the structure of the third spiral collection component are the same as the structure of the first spiral collection component; the first fixed tube, the second fixed tube, and the third fixed tube are connected at the same point.

[0016] On the other hand, the present disclosure also provides a diagnostic system, which includes: a host and several fan diagnostic devices as described above; wherein each of the fan diagnostic devices is respectively connected to a corresponding fan, and each of the fan diagnostic devices is electrically connected to the host; each of the fan diagnostic devices uploads the operating status of the corresponding fan to the host.

[0017] In a third aspect, the present disclosure also provides a diagnostic method, which includes: respectively collecting first vibration information, second vibration information, and third vibration information transmitted by the fan to the fan diagnostic device as described above, so as to determine the operating status of the fan.

[0018] The beneficial effect of the present invention is that the present invention realizes multi-axial detection of the vibration generated by the fan by setting the shell close to the fan, and the first vibration collection mechanism, the second vibration collection mechanism, and the third vibration collection mechanism respectively collect the first vibration information, the second vibration information, and the third vibration information. At the same time, the electromagnetic field cannot act on the first vibration collection mechanism, the second vibration collection mechanism, and the third vibration collection mechanism, which can overcome the interference of the electromagnetic field and realize accurate judgment of the operating status of the fan.

[0019] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention are realized and obtained by the structures particularly pointed out in the description, claims and drawings.

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 A structural diagram of a housing provided in an embodiment of the present disclosure;

[0023] Figure 2 A structural diagram of the interior of a housing provided in an embodiment of the present disclosure;

[0024] Figure 3 A principle block diagram of a fan diagnostic device provided by an embodiment of the present disclosure;

[0025] Figure 4 A structural diagram of a wind turbine diagnostic device provided in an embodiment of the present disclosure;

[0026] Figure 5 A structural diagram of a first spiral coil provided in an embodiment of the present disclosure;

[0027] Figure 6 A structural diagram of another first spiral coil provided in an embodiment of the present disclosure;

[0028] Figure 7 A structural diagram of a first vibration collection mechanism and a second vibration collection mechanism provided in an embodiment of the present disclosure;

[0029] Figure 8 A structural diagram of a third vibration collection mechanism provided in an embodiment of the present disclosure;

[0030] Fig. 9 A flow chart for determining the operating status of a fan is provided in an embodiment of the present disclosure.

[0031] In the figure:

[0032] 1. Shell; 11. Front side; 12. Rear side; 13. Left side; 14. Right side;

[0033] 2. First vibration collection mechanism; 21. First fixed tube; 22. First spiral collection assembly; 221. First spiral coil; 2211. First conductive segment; 2212. First insulating segment; 2213. First contact point;

[0034] 23. first conductive swing plate; 231. first fixed end; 232. first movable end;

[0035] 3. Second vibration collection mechanism; 31. Second fixed tube; 32. Second spiral collection assembly; 33. Second conductive swing plate;

[0036] 4. third vibration collection mechanism; 41. third fixed tube; 42. third spiral collection assembly; 43. third conductive swing plate;

[0037] 5. First plane;

[0038] 6. Second plane;

[0039] 7. The third plane. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] The terms used herein are only used to describe specific exemplary configurations and are not intended to be limited. As used herein, the singular articles "one", "an" and "the" may also be intended to include plural forms, unless it is clearly indicated above that this is not the case. The terms "comprise", "include" and "have" are inclusive, and therefore specify the presence of features, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components and / or combinations thereof. The method steps, processes and operations described herein should not be interpreted as necessarily requiring them to be performed in the specific order discussed or shown, unless specifically identified as an execution order. Additional or alternative steps may be adopted.

[0042] As used herein, the phrases "in one embodiment," "according to one embodiment," "in some embodiments," and the like generally refer to the fact that the particular feature, structure, or characteristic following the phrase may be included in at least one embodiment of the present disclosure. Therefore, a particular feature, structure, or characteristic may be included in more than one embodiment of the present disclosure, so that these phrases do not necessarily refer to the same embodiment. As used herein, the terms "example," "exemplary," and the like are used to "serve as an example, instance, or illustration." Any implementation, aspect, or design described herein as "example" or "exemplary" is not necessarily to be construed as preferred or superior to other implementations, aspects, or designs. On the contrary, the use of the terms "example," "exemplary," and the like is intended to present concepts in a concrete manner.

[0043] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0044] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0045] like Figures 1 to 9At least one embodiment provides a fan diagnostic device, which includes: a processing module, a shell 1, a first vibration collection mechanism 2, a second vibration collection mechanism 3 and a third vibration collection mechanism 4; the shell 1 is connected to the fan, and the first vibration collection mechanism 2, the second vibration collection mechanism 3, and the third vibration collection mechanism 4 are respectively connected to the inner wall of the shell 1 and electrically connected to the processing module; the first vibration collection mechanism 2 is vertically arranged, and the first vibration collection mechanism 2 is located on a first plane 5; the second vibration collection mechanism 3 is horizontally arranged, and the second vibration collection mechanism 3 is located on a second plane 6; the third vibration collection mechanism 4 is horizontally arranged, and the third vibration collection mechanism 4 is located on a third plane 7; the first plane 5 is parallel to the front side 11 or the rear side 12 of the shell 1, the second plane 6 is parallel to the front side 11 or the rear side 12 of the shell 1, and the third plane 7 is parallel to the left side 13 or the right side 14 of the shell 1; the first vibration collection mechanism, the second vibration collection mechanism 3, and the third vibration collection mechanism 4 respectively collect the first vibration information, the second vibration information, and the third vibration information transmitted by the fan to the shell 1, so that the processing module can judge the operating status of the fan.

[0046] In at least one embodiment, by placing the shell 1 close to the fan, the first vibration collection mechanism 2, the second vibration collection mechanism 3, and the third vibration collection mechanism 4 respectively collect the first vibration information, the second vibration information, and the third vibration information to realize multi-axial detection of the vibration generated by the fan. At the same time, the electromagnetic field cannot act on the first vibration collection mechanism 2, the second vibration collection mechanism 3, and the third vibration collection mechanism 4, so that the interference of the electromagnetic field can be overcome, and the operating status of the fan can be accurately judged.

[0047] In at least one embodiment, see Figure 4 The first vibration collection mechanism 2 includes: a first fixed tube 21, at least one first spiral collection component 22, and at least one first conductive swinging plate 23; the first fixed tube 21, each first spiral collection component 22, and each first conductive swinging plate 23 are vertically arranged and located on the first plane 5, the first spiral collection component 22 is sleeved on the first fixed tube 21, the first conductive swinging plate 23 is located beside the first spiral collection component 22, the first fixed end 231 of the first conductive swinging plate 23 is connected to the inner side wall of the shell, and the sensing surface of the first conductive swinging plate 23 is arranged toward the first spiral collection component 22; each first spiral collection component 22 and each first conductive swinging plate 23 are electrically connected to the processing module; when the first conductive swinging plate 23 swings under the drive of the fan, the processing module obtains the contact position of the first conductive swinging plate 23 and the first spiral collection component 22 and the number of contacts within a set time, that is, obtains the first vibration information.

[0048] In some embodiments, the corresponding conductive swing plate is a metal elastic sheet and is inclined toward the inner side of the corresponding fixed tube to form a figure eight shape. The swing plate can be tilted during vibration to better fit the sleeve spring.

[0049] Specifically, the first fixed tube 21 functions to install the first spiral collection assembly 22 .

[0050] Specifically, see Figure 7 The vibration generated by the fan is transmitted to the first conductive swinging plate 23 through the housing 1, pushing the first conductive swinging plate 23 to swing back and forth along the c direction, and the first conductive swinging plate 23 contacts the first spiral collection component 22 during the swinging process. The processing module obtains the contact position between the first conductive swinging plate 23 and the first spiral collection component 22 and the number of contacts within a set time, thereby obtaining the swing amplitude and swing frequency of the first conductive swinging plate 23, that is, obtaining the first vibration information.

[0051] In at least one embodiment, when at least two first conductive swinging plates 23 are provided, the processing module obtains corresponding first vibration information through each first conductive swinging plate 23 for comparison and verification.

[0052] Specifically, the two first conductive swinging plates 23 are symmetrical about the first fixed tube 21 or about the midpoint of the first fixed tube 21, and thus the swing amplitude and swing frequency of each first conductive swinging plate 23 are theoretically consistent. If the two are inconsistent, a fault occurs in the fan diagnostic device at this time, which can improve the stability of judging the operating status of the fan.

[0053] In at least one embodiment, see Figure 5 The first spiral collection component 22 includes: a first spiral coil 221; the first spiral coil 221 is divided into a plurality of first conductive segments 2211 and a plurality of first insulating segments 2212, and one first conductive segment 2211 is connected to another first conductive segment 2211 through at least one first insulating segment 2212; each of the first conductive segments 2211 is equidistant and arranged toward the first conductive swing plate 23, and each of the first conductive segments 2211 is electrically connected to the processing module respectively; when any of the first conductive segments 2211 contacts the first conductive swing plate 23, the processing module obtains a corresponding voltage signal, that is, obtains the contact position of the first conductive swing plate 23 and the first spiral coil 221 and the number of contacts within a set time.

[0054] Specifically, the first spiral coil 221 is elastic, so the first conductive swing plate 23 will squeeze the first spiral coil 221 when swinging, and the first spiral coil 221 can push the first conductive swing plate 23 to separate from it, avoiding the first conductive swing plate 23 and the first spiral coil 221 from being attracted together, thereby improving the accuracy and stability of detection.

[0055] Specifically, the first conductive segment 2211 is made of nickel-chromium alloy, which has a high corrosion resistance and can be applied to high temperature, high humidity and high corrosion environments compared to traditional digital sensors.

[0056] Specifically, two ends of the first conductive segment 2211 are respectively fixed to the first fixed tube 21 , and wiring is routed inside the first fixed tube 21 , so that the first conductive segment 2211 is electrically connected to the processing module.

[0057] Specifically, when the first conductive swing plate 23 contacts the first conductive segment 2211, the processing module obtains a corresponding voltage signal and can locate the contact position of the first conductive swing plate 23 and the first conductive segment 2211. At the same time, the number of contacts between the first conductive swing plate 23 and the first conductive segment 2211 within a set time can also be sensed, thereby obtaining the swing amplitude and swing frequency of the first conductive swing plate 23.

[0058] In at least one embodiment, see Figure 6 The first spiral collection component 22 includes: a first spiral coil 221; a plurality of first contacts 2213 are arranged on the surface of the first spiral coil 221, each of the first contacts 2213 is arranged toward the first conductive swing plate 23, and each of the first contacts 2213 is electrically connected to the processing module; when any of the first contacts 2213 contacts the first conductive swing plate 23, the processing module obtains a corresponding voltage signal, that is, obtains the contact position of the first conductive swing plate 23 and the first spiral coil 221 and the number of contacts within a set time.

[0059] Specifically, the first contact 2213 is routed inside the first fixed tube 21 to achieve electrical connection between the first contact 2213 and the processing module.

[0060] Specifically, when the first conductive swing plate 23 contacts the first contact 2213, the processing module obtains a corresponding voltage signal and can locate the contact position between the first conductive swing plate 23 and the first contact 2213. At the same time, the number of contacts between the first conductive swing plate 23 and the first contact 2213 within a set time can also be sensed, thereby obtaining the swing amplitude and swing frequency of the first conductive swing plate 23.

[0061] In at least one embodiment, see Figures 5 to 7 The first spiral coil 221 is arranged with a variable diameter, and the diameter b of the first spiral coil 221 close to the inner wall of the shell 1 is larger than the diameter a away from the inner wall of the shell 1; the first conductive swing plate 23 is arranged at an angle, and the distance between the first fixed end 231 of the first conductive swing plate 23 and the first fixed tube 21 is larger than the distance between the first movable end 232 of the first conductive swing plate 23 and the first fixed tube 21.

[0062] Specifically, the first spiral coil 221 is configured with a variable diameter, and the first conductive swing plate 23 is configured with an inclination, so that when the first conductive swing plate 23 contacts the first spiral coil 221 , it can fit more closely and obtain a stable voltage signal.

[0063] In at least one embodiment, see Figure 4 The second vibration collection mechanism 3 includes: a second fixed tube 31, at least one second spiral collection component 32, and at least one second conductive swinging plate 33; the second fixed tube 31, each second spiral collection component 32, and each second conductive swinging plate 33 are arranged horizontally and located on the second plane 6, the second spiral collection component 32 is sleeved on the second fixed tube 31, the second conductive swinging plate 33 is located beside the second spiral collection component 32, and the sensing surface of the second conductive swinging plate 33 is arranged toward the second spiral collection component 32; each second spiral collection component 32 and each second conductive swinging plate 33 are electrically connected to the processing module; when the second conductive swinging plate 33 swings under the drive of the fan, the processing module obtains the contact position of the second conductive swinging plate 33 and the second spiral collection component 32 and the number of contacts within a set time, that is, obtains the second vibration information; when at least two second conductive swinging plates 33 are set, the processing module obtains the corresponding second vibration information through each second conductive swinging plate 33 for comparison and verification.

[0064] Specifically, the second fixed tube 31 serves to install the second spiral collection assembly 32 .

[0065] Specifically, see Figure 7 The vibration generated by the fan is transmitted to the second conductive swinging plate 33 through the shell 1, pushing the second conductive swinging plate 33 to swing back and forth along the d direction, and the second conductive swinging plate 33 contacts the second spiral collection component 32 during the swinging process. The processing module obtains the contact position between the second conductive swinging plate 33 and the second spiral collection component 32 and the number of contacts within a set time, thereby obtaining the swing amplitude and swing frequency of the second conductive swinging plate 33, that is, obtaining the second vibration information.

[0066] Specifically, the two second conductive swinging plates 33 are symmetrical about the second fixed tube 31 or about the midpoint of the second fixed tube 31, and thus the swing amplitude and swing frequency of each second conductive swinging plate 33 are theoretically consistent. If the two are inconsistent, then a fault occurs in the fan diagnostic device, which can improve the stability of judging the operating status of the fan.

[0067] In at least one embodiment, the second spiral collection component 32 includes: a second spiral coil; the second spiral coil is divided into a plurality of second conductive segments and a plurality of second insulating segments, and one second conductive segment is connected to another second conductive segment through at least one second insulating segment; each second conductive segment is equidistant and arranged toward the second conductive swing plate 33, and each second conductive segment is electrically connected to a processing module respectively; when any second conductive segment contacts the second conductive swing plate 33, the processing module obtains a corresponding voltage signal, that is, obtains the contact position of the second conductive swing plate 33 and the second spiral coil and the number of contacts within a set time.

[0068] Specifically, the second spiral coil is elastic, so the second conductive swing plate 33 will squeeze the second spiral coil when swinging, and the second spiral coil can push the second conductive swing plate 33 to separate from it, avoiding the second conductive swing plate 33 and the second spiral coil from being attracted together, thereby improving the accuracy and stability of detection.

[0069] Specifically, the second conductive segment is made of nickel-chromium alloy, which has high corrosion resistance and can be used in high temperature, high humidity and high corrosion environments compared to traditional digital sensors.

[0070] Specifically, two ends of the second conductive segment are respectively fixed to the second fixed tube 31 , and wiring is routed inside the second fixed tube 31 , so that the second conductive segment is electrically connected to the processing module.

[0071] Specifically, when the second conductive swing plate 33 contacts the second conductive segment, the processing module obtains a corresponding voltage signal and can locate the contact position between the second conductive swing plate 33 and the second conductive segment. At the same time, the number of contacts between the second conductive swing plate 33 and the second conductive segment within a set time can also be sensed, thereby obtaining the swing amplitude and swing frequency of the second conductive swing plate 33.

[0072] In at least one embodiment, the second spiral collection component 32 includes: a second spiral coil; a plurality of second contacts are arranged on the surface of the second spiral coil, each of the second contacts is arranged toward the second conductive swing plate 33, and each of the second contacts is electrically connected to the processing module; when any of the second contacts contacts the second conductive swing plate 33, the processing module obtains the corresponding voltage signal, that is, obtains the contact position of the second conductive swing plate 33 and the second spiral coil and the number of contacts within a set time.

[0073] Specifically, the second contact is routed inside the second fixed tube 31 to achieve electrical connection between the second contact and the processing module.

[0074] Specifically, when the second conductive swing plate 33 contacts the second contact, the processing module obtains a corresponding voltage signal and can locate the contact position between the second conductive swing plate 33 and the second contact. At the same time, the number of contacts between the second conductive swing plate 33 and the second contact within a set time can also be sensed, thereby obtaining the swing amplitude and swing frequency of the second conductive swing plate 33.

[0075] In at least one embodiment, see Figure 4 The third vibration collection mechanism 4 comprises: a third fixed tube 41, at least one third spiral collection component 42, and at least one third conductive swinging plate 43; the third fixed tube 41, each third spiral collection component 42, and each third conductive swinging plate 43 are arranged horizontally and located on the third plane 7, the third spiral collection component 42 is sleeved on the third fixed tube 41, the third conductive swinging plate 43 is located beside the third spiral collection component 42, and the sensing surface of the third conductive swinging plate 43 is arranged toward the third spiral collection component 42; each of the third spiral collection components 42 and each of the third conductive swinging plates 43 is electrically connected to the processing module; when the third conductive swinging plate 43 swings under the drive of the fan, the processing module obtains the contact position of the third conductive swinging plate 43 and the third spiral collection component 42 and the number of contacts within a set time, that is, obtains the third vibration information; when at least two third conductive swinging plates 43 are provided, the processing module obtains the corresponding third vibration information through each third conductive swinging plate 43 for comparison and verification.

[0076] Specifically, the third fixing tube 41 serves to install the third spiral collecting assembly 42 .

[0077] Specifically, see Figure 8 The vibration generated by the fan is transmitted to the third conductive swinging plate 43 through the shell 1, pushing the third conductive swinging plate 43 to swing back and forth along the e direction, and the third conductive swinging plate 43 contacts the third spiral collection component 42 during the swinging process. The processing module obtains the contact position between the third conductive swinging plate 43 and the third spiral collection component 42 and the number of contacts within a set time, thereby obtaining the swing amplitude and swing frequency of the third conductive swinging plate 43, that is, obtaining the third vibration information.

[0078] Specifically, the two third conductive swinging plates 43 are symmetrical about the third fixed tube 41 or about the midpoint of the third fixed tube 41, and thus the swing amplitude and swing frequency of each third conductive swinging plate 43 are theoretically consistent. If the two are inconsistent, then a fault occurs in the fan diagnostic device, which can improve the stability of judging the operating status of the fan.

[0079] In at least one embodiment, the third spiral collection component 42 includes: a third spiral coil; the third spiral coil is divided into a plurality of third conductive segments and a plurality of third insulating segments, and one third conductive segment is connected to another third conductive segment through at least one third insulating segment; each of the third conductive segments is equidistant and arranged toward the third conductive swing plate 43, and each of the third conductive segments is electrically connected to a processing module respectively; when any of the third conductive segments contacts the third conductive swing plate 43, the processing module obtains a corresponding voltage signal, that is, obtains the contact position of the third conductive swing plate 43 and the third spiral coil and the number of contacts within a set time.

[0080] Specifically, the third spiral coil is elastic, so the third conductive swing plate 43 will squeeze the third spiral coil when swinging, and the third spiral coil can push the third conductive swing plate 43 to separate from it, avoiding the third conductive swing plate 43 and the third spiral coil from being attracted together, thereby improving the accuracy and stability of detection.

[0081] Specifically, the third conductive segment is made of nickel-chromium alloy, which has high corrosion resistance and can be used in high temperature, high humidity and high corrosion environments compared to traditional digital sensors.

[0082] Specifically, two ends of the third conductive segment are respectively fixed to the third fixed tube 41 , and wiring is routed inside the third fixed tube 41 , so that the third conductive segment is electrically connected to the processing module.

[0083] Specifically, when the third conductive swing plate 43 contacts the third conductive segment, the processing module obtains a corresponding voltage signal and can locate the contact position between the third conductive swing plate 43 and the third conductive segment. At the same time, the number of contacts between the third conductive swing plate 43 and the third conductive segment within a set time can also be sensed, thereby obtaining the swing amplitude and swing frequency of the third conductive swing plate 43.

[0084] In at least one embodiment, the third spiral collection component 42 includes: a third spiral coil; a plurality of third contacts are arranged on the surface of the third spiral coil, each of the third contacts is arranged toward the third conductive swing plate 43, and each of the third contacts is electrically connected to the processing module; when any of the third contacts contacts the third conductive swing plate 43, the processing module obtains the corresponding voltage signal, that is, obtains the contact position of the third conductive swing plate 43 and the third spiral coil and the number of contacts within a set time.

[0085] Specifically, the third contact is routed inside the third fixed tube 41 to achieve electrical connection between the third contact and the processing module.

[0086] Specifically, when the third conductive swing plate 43 contacts the third contact, the processing module obtains a corresponding voltage signal and can locate the contact position between the third conductive swing plate 43 and the third contact. At the same time, the number of contacts between the third conductive swing plate 43 and the third contact within a set time can also be sensed, thereby obtaining the swing amplitude and swing frequency of the third conductive swing plate 43.

[0087] In at least one embodiment, the structures of the second spiral collection component 32 and the third spiral collection component 42 are the same as the structure of the first spiral collection component 22; the first fixed tube 21, the second fixed tube 31, and the third fixed tube 41 are connected at the same point.

[0088] Specifically, the first fixing tube 21 , the second fixing tube 31 , and the third fixing tube 41 are connected at the same point, which can make the overall structure more solid.

[0089] Based on the same technical concept, at least one embodiment also provides a diagnostic system, which includes: a host and several fan diagnostic devices as described above; wherein each of the fan diagnostic devices is respectively connected to a corresponding fan, and each of the fan diagnostic devices is electrically connected to the host; each of the fan diagnostic devices uploads the operating status of the corresponding fan to the host.

[0090] Based on the same technical concept, at least one embodiment further provides a diagnostic method, which includes: respectively collecting first vibration information, second vibration information, and third vibration information transmitted by the fan to the fan diagnostic device as described above to determine the operating status of the fan.

[0091] To summarize, the present invention realizes multi-axial detection of the vibration generated by the fan by placing the shell close to the fan, and having the first vibration collection mechanism, the second vibration collection mechanism, and the third vibration collection mechanism respectively collect the first vibration information, the second vibration information, and the third vibration information. At the same time, the electromagnetic field cannot act on the first vibration collection mechanism, the second vibration collection mechanism, and the third vibration collection mechanism, thereby overcoming the interference of the electromagnetic field and realizing accurate judgment of the operating status of the fan.

[0092] The disclosure and other solutions, examples, embodiments, modules and functional operations described in this document can be implemented in digital electronic circuits, or computer software, firmware or hardware, including the structures disclosed in this document and their structural equivalents, or a combination of one or more thereof. The disclosure and other embodiments can be implemented as one or more computer program products, i.e., one or more modules of computer program instructions encoded on a tangible and non-volatile computer-readable medium for execution by a data processing device or to control the operation of the data processing device. The computer-readable medium can be a machine-readable storage device, a machine-readable storage substrate, a storage device, a material composition that affects a machine-readable propagation signal, or a combination of one or more thereof. The term "data processing unit" or "data processing device" includes all devices, equipment and machines for processing data, including, for example, a programmable processor, a computer or a multiprocessor or a computer group. In addition to hardware, the device may also include code that creates an execution environment for a computer program, for example, code constituting processor firmware, a protocol stack, a database management system, an operating system, or a combination of one or more thereof. A propagated signal is an artificially generated signal, for example, a machine-generated electrical, optical or electromagnetic signal, which is generated to encode information for transmission to a suitable receiver device.

[0093] A computer program (also referred to as a program, software, software application, script, or code) may be written in any form of programming language (including compiled or interpreted languages) and may be deployed in any form, including as a stand-alone program or as a module, component, subroutine, or other unit suitable for use in a computing environment. A computer program does not necessarily correspond to a file in a file system. A program may be stored in a portion of a file that holds other programs or data (e.g., one or more scripts stored in a markup language document), in a single file dedicated to the program, or in multiple coordinated files (e.g., files that store one or more modules, subroutines, or portions of code). A computer program may be deployed for execution on one or more computers that are located at one site or distributed across multiple sites and interconnected by a communications network.

[0094] The processes and logic flows described in this document may be performed by one or more programmable processors executing one or more computer programs to perform functions by operating on input data and generating output. The processes and logic flows may also be performed by, and the apparatus may also be implemented as, special purpose logic circuits, such as an FPGA (field programmable gate array) or an ASIC (application specific integrated circuit).

[0095] For example, processors suitable for executing computer programs include general and special purpose microprocessors, and any one or more of any type of digital computer. Typically, the processor will receive instructions and data from a read-only memory or a random access memory or both. The basic components of a computer are a processor that executes instructions and one or more storage devices that store instructions and data. Typically, a computer will also include one or more mass storage devices for storing data, such as magnetic disks, magneto-optical disks, or optical disks, or operably coupled to receive data from a mass storage device or transfer data to a mass storage device, or both. However, a computer does not necessarily have such a device. Computer-readable media suitable for storing computer program instructions and data include all forms of non-volatile memory, media, and memory devices, including, for example, semiconductor memory devices, such as erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), and flash memory devices; magnetic disks, such as internal hard disks or removable disks; magneto-optical disks; and compact disk read-only memory (CD ROM) and digital versatile disk read-only memory (DVD-ROM) disks. The processor and memory can be supplemented by dedicated logic circuits, or incorporated in dedicated logic circuits.

[0096] Although this patent document contains many details, they should not be construed as limitations on the scope of any invention or the claims, but rather as descriptions of features of particular embodiments of particular inventions. Certain features described in this patent document in the context of separate embodiments may also be implemented in combination in a single embodiment. Conversely, various functions described in the context of a single embodiment may also be implemented separately in multiple embodiments, or in any suitable subcombination. In addition, although the above-mentioned features may be described as working in certain combinations, or even initially claimed to be so, in some cases, one or more features in the claim combination may be removed from the combination, and the claim combination may be directed to subcombinations or variations of subcombinations.

[0097] Likewise, although operations are described in a particular order in the drawings, this should not be understood as requiring that such operations be performed in the particular order or order shown, or that all illustrated operations be performed, in order to achieve the desired results. In addition, the separation of various system components in the embodiments of this patent document should not be understood as requiring such separation in all embodiments.

[0098] Only a few implementations and examples are described, and other implementations, enhancements, and variations can be made based on what is described and illustrated in this patent document.

[0099] A first component is directly coupled to a second component when there are no intermediate components other than a line, trace, or another medium between the first component and the second component. A first component is indirectly coupled to a second component when there are intermediate components other than a line, trace, or another medium between the first component and the second component. The term "coupled" and its variations include direct coupling and indirect coupling. Unless otherwise specified, the use of the term "about" is meant to include a range of 10% above and below the value.

[0100] Although several embodiments are provided in the present disclosure, it should be understood that the disclosed systems and methods may be embodied in many other specific forms without departing from the spirit or scope of the present disclosure. The present examples are considered to be illustrative rather than restrictive and are not limited to the details given. For example, various elements or components may be combined or integrated in another system, or certain features may be omitted or not implemented.

[0101] In several embodiments provided herein, it should be understood that the disclosed devices and methods can also be implemented in other ways. The device embodiments described above are merely schematic. For example, the flowcharts and block diagrams in the accompanying drawings show the possible architecture, functions and operations of the devices, methods and computer program products according to multiple embodiments of the present invention. In this regard, each box in the flowchart or block diagram can represent a module, a program segment or a part of a code, and the module, program segment or a part of the code contains one or more executable instructions for implementing the specified logical functions. It should also be noted that in some alternative implementations, the functions marked in the box can also occur in a different order from the order marked in the accompanying drawings. For example, two consecutive boxes can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, depending on the functions involved. It should also be noted that each box in the block diagram and / or flowchart, and the combination of boxes in the block diagram and / or flowchart can be implemented with a dedicated hardware-based system that performs a specified function or action, or can be implemented with a combination of dedicated hardware and computer instructions.

[0102] In addition, without departing from the scope of the present disclosure, the discrete or separate techniques, systems, subsystems, and methods described and illustrated in the various embodiments may be combined or integrated with other systems, modules, techniques, or methods. Other items shown or discussed as coupled may be directly connected, or may be indirectly coupled or communicated electrically, mechanically, or otherwise through some interface, device, or intermediate component. Other examples of changes, substitutions, and alterations may be determined by those skilled in the art without departing from the spirit and scope disclosed herein.

Claims

1. A fan diagnostic device, characterized in that: include: A processing module, a housing (1), a first vibration collection mechanism (2), a second vibration collection mechanism (3) and a third vibration collection mechanism (4); wherein The housing (1) is connected to the fan, and the first vibration collection mechanism (2), the second vibration collection mechanism (3), and the third vibration collection mechanism (4) are respectively connected to the inner wall of the housing (1) and are electrically connected to the processing module; The first vibration collection mechanism (2) is arranged vertically, and the first vibration collection mechanism (2) is located on a first plane (5); The second vibration collection mechanism (3) is arranged horizontally, and the second vibration collection mechanism (3) is located on a second plane (6); The third vibration collection mechanism (4) is arranged horizontally, and the third vibration collection mechanism (4) is located on a third plane (7); The first plane (5) is parallel to the front side (11) or the rear side (12) of the shell (1), the second plane (6) is parallel to the front side (11) or the rear side (12) of the shell (1), and the third plane (7) is parallel to the left side (13) or the right side (14) of the shell (1); The first vibration collection mechanism, the second vibration collection mechanism (3), and the third vibration collection mechanism (4) respectively collect first vibration information, second vibration information, and third vibration information transmitted by the fan to the housing (1), so that the processing module can determine the operating state of the fan; The first vibration collection mechanism (2) comprises: a first fixed tube (21), at least one first spiral collection component (22), and at least one first conductive swing plate (23); The first fixed tube (21), each first spiral collection component (22), and each first conductive swing plate (23) are arranged vertically and located on a first plane (5); the first spiral collection component (22) is sleeved on the first fixed tube (21); the first conductive swing plate (23) is located beside the first spiral collection component (22); the first fixed end (231) of the first conductive swing plate (23) is connected to the inner side wall of the shell; and the sensing surface of the first conductive swing plate (23) is arranged facing the first spiral collection component (22); Each of the first spiral collection components (22) and each of the first conductive swing plates (23) are electrically connected to the processing module; When the first conductive swinging plate (23) swings under the drive of the fan, the processing module obtains the contact position between the first conductive swinging plate (23) and the first spiral collection component (22) and the number of contacts within a set time, that is, Acquiring first vibration information; The second vibration collection mechanism (3) and the third vibration collection mechanism (4) have the same mechanical structure as the first vibration collection mechanism (2).

2. The fan diagnostic device according to claim 1, characterized in that: When at least two first conductive swing plates (23) are provided, the processing module obtains corresponding first vibration information through each first conductive swing plate (23) for comparison and verification.

3. The fan diagnostic device according to claim 1, characterized in that: The first spiral collection component (22) comprises: a first spiral coil (221); The first spiral coil (221) is divided into a plurality of first conductive segments (2211) and a plurality of first insulating segments (2212); one first conductive segment (2211) is connected to another first conductive segment (2211) via at least one first insulating segment (2212); The first conductive segments (2211) are arranged equidistantly and facing the first conductive swing plate (23), and the first conductive segments (2211) are electrically connected to the processing module respectively; When any of the first conductive segments (2211) contacts the first conductive swing plate (23), the processing module obtains a corresponding voltage signal, namely The contact position between the first conductive swing plate (23) and the first spiral coil (221) and the number of contacts within a set time are obtained.

4. The fan diagnostic device according to claim 1, characterized in that: The first spiral collection component (22) comprises: a first spiral coil (221); A plurality of first contacts (2213) are arranged on the surface of the first spiral coil (221), each of the first contacts (2213) is arranged towards the first conductive swing plate (23), and each of the first contacts (2213) is electrically connected to a processing module; When any of the first contacts (2213) contacts the first conductive swing plate (23), the processing module obtains a corresponding voltage signal, namely The contact position between the first conductive swing plate (23) and the first spiral coil (221) and the number of contacts within a set time are obtained.

5. The wind turbine diagnostic device according to claim 3 or 4, characterized in that: The first spiral coil (221) is arranged with a variable diameter, and the diameter of the first spiral coil (221) close to the inner wall of the shell (1) is larger than the diameter of the first spiral coil far from the inner wall of the shell (1); The first conductive swing plate (23) is arranged at an angle, and the distance between the first fixed end (231) of the first conductive swing plate (23) and the first fixed tube (21) is greater than the distance between the first movable end (232) of the first conductive swing plate (23) and the first fixed tube (21).

6. The fan diagnostic device according to claim 1, characterized in that: The second vibration collection mechanism (3) comprises: a second fixed tube (31), at least one second spiral collection component (32), and at least one second conductive swing plate (33); The second fixed tube (31), each second spiral collection component (32), and each second conductive swing plate (33) are arranged transversely and located on a second plane (6); the second spiral collection component (32) is sleeved on the second fixed tube (31); the second conductive swing plate (33) is located beside the second spiral collection component (32); and the sensing surface of the second conductive swing plate (33) is arranged facing the second spiral collection component (32); Each of the second spiral collection components (32) and each of the second conductive swing plates (33) are electrically connected to the processing module; When the second conductive swinging plate (33) swings under the drive of the fan, the processing module obtains the contact position between the second conductive swinging plate (33) and the second spiral collection component (32) and the number of contacts within a set time, that is, Acquiring second vibration information; When at least two second conductive swing plates (33) are provided, the processing module obtains corresponding second vibration information through each second conductive swing plate (33) for comparison and verification.

7. The wind turbine diagnostic device according to claim 6, characterized in that: The third vibration collection mechanism (4) comprises: a third fixed tube (41), at least one third spiral collection component (42), and at least one third conductive swing plate (43); The third fixed tube (41), each third spiral collection component (42), and each third conductive swing plate (43) are arranged transversely and located on a third plane (7); the third spiral collection component (42) is sleeved on the third fixed tube (41); the third conductive swing plate (43) is located beside the third spiral collection component (42); and the sensing surface of the third conductive swing plate (43) is arranged facing the third spiral collection component (42); Each of the third spiral collection components (42) and each of the third conductive swing plates (43) are electrically connected to the processing module; When the third conductive swinging plate (43) swings under the drive of the fan, the processing module obtains the contact position between the third conductive swinging plate (43) and the third spiral collection component (42) and the number of contacts within a set time, that is, Obtaining third vibration information; When at least two third conductive swing plates (43) are provided, the processing module obtains corresponding third vibration information through each third conductive swing plate (43) for comparison and verification.

8. The fan diagnostic device according to claim 7, characterized in that: The structure of the second spiral collection component (32) and the structure of the third spiral collection component (42) are the same as the structure of the first spiral collection component (22); The first fixed tube (21), the second fixed tube (31), and the third fixed tube (41) are connected at the same point.

9. A diagnostic system, characterized in that: include: A host and a plurality of fan diagnostic devices according to any one of claims 1 to 8; in Each of the fan diagnostic devices is connected to a corresponding fan, and each of the fan diagnostic devices is electrically connected to a host machine; Each of the fan diagnostic devices uploads the operating status of the corresponding fan to the host.

10. A diagnostic method, characterized in that: include: The first vibration information, the second vibration information, and the third vibration information transmitted by the fan to the fan diagnostic device according to any one of claims 1 to 8 are collected respectively to determine the operating status of the fan.

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