Cross-flow fan blade dislocation angle detection device

Abstract

The utility model discloses a cross-flow fan blade dislocation angle detection device. A rotary clamping mechanism of the cross-flow fan blade dislocation angle detection device is arranged on an operation table and used for clamping and driving a cross-flow fan blade to rotate in the circumferential direction. The obtaining mechanism is movably arranged on the operation table and used for obtaining the first edge of a starting blade and the first edge of a target blade which are arranged in the axial direction of the cross-flow fan. The control mechanism is arranged on the operation table, connected with the rotary clamping mechanism and the obtaining mechanism and used for controlling the rotary clamping mechanism to drive the cross-flow fan to rotate from the first side of the starting blade to the first side of the target blade according to data obtained by the obtaining mechanism and input preset data. The cross-flow fan blade dislocation angle detection device of the utility model is simple and easy to operate, effectively improves the detection efficiency, improves the detection precision, and improves the automation rate, so as to solve the technical bottleneck that the cross-flow fan blade of an air conditioner in the industry is not high in dislocation angle test precision.

Description

Technical Field

[0001] The utility model relates to the technical field of crossflow fan blade misalignment angle testing in an air conditioner, in particular to a crossflow fan blade misalignment angle detection device. Background Art

[0002] As one of the indispensable household appliances in modern families, the crossflow blades, an important component of the air conditioner, play an irreplaceable and important role. Therefore, the quality of the crossflow blades is directly related to the quality and brand reputation of the air conditioner. The misalignment angle of the crossflow blades is a must-check item for the crossflow blades. If the misalignment angle is unqualified, the air outlet of the air conditioner will be uneven, affecting the customer experience. The traditional testing method is to observe with the naked eye, test with a tape measure, and calculate the results manually. This traditional measurement method has large errors and low efficiency, and cannot meet the measurement needs of large quantities. Therefore, it is urgent to develop a detection device that can automatically and accurately measure the misalignment angle of the crossflow blades. Utility Model Content

[0003] The utility model aims to provide a device for detecting the misalignment angle of a crossflow fan blade, aiming to solve the technical problems that the existing measurement method has large errors, low efficiency and cannot meet the measurement needs of large quantities.

[0004] In order to solve the above problem, according to one aspect of the present application, an embodiment of the present utility model provides a crossflow fan blade misalignment angle detection device, and the crossflow fan blade misalignment angle detection device includes:

[0005] Operation table;

[0006] A rotary clamping mechanism, arranged on the operating table, for clamping and driving the crossflow fan blade to rotate circumferentially;

[0007] An acquisition mechanism, movably disposed on the operating table, for acquiring a first edge of a starting blade and a first edge of a target blade arranged in the axial direction of the crossflow blade;

[0008] A control mechanism is arranged on the operating table and is connected to the rotary clamping mechanism and the acquisition mechanism. It is used to control the rotary clamping mechanism to drive the crossflow blade to rotate from the first edge of the starting blade to the first edge of the target blade according to the data acquired by the acquisition mechanism and the input preset data, so as to output the misalignment angle between the starting blade and the target blade.

[0009] In some embodiments, the rotating clamping mechanism includes a vertical plate, a first motor, an insertion shaft and a bracket, the vertical plate and the bracket are arranged on the operating table, the insertion shaft is rotatably arranged on the side of the vertical plate facing the bracket, the insertion shaft is inserted into the insertion hole of the cross-flow fan blade, the installation shaft of the cross-flow fan blade is arranged on the bracket, the first motor is arranged on the vertical plate and the output end is connected to the insertion shaft to drive the cross-flow fan blade to rotate.

[0010] In some embodiments, the bracket includes a base and two rollers disposed on the base, the two rollers are disposed tangentially, and the mounting shaft is disposed between the two rollers.

[0011] In some embodiments, the rotary clamping mechanism further includes a sliding track, which is disposed on the operating table and extends along the axial direction of the crossflow blade, and the bracket is movably disposed on the sliding track.

[0012] In some embodiments, the acquisition mechanism includes an infrared detection module and a linear moving component, the linear moving component is disposed on the operating table, the infrared detection module is disposed on the linear moving component and faces the crossflow blade, and the linear moving component can drive the infrared detection module to move axially along the crossflow blade.

[0013] In some embodiments, the linear motion component includes a sliding track, a second motor and a drive belt. The sliding track is arranged on the operating table and extends along the axial direction of the crossflow fan blade. The sliding track is provided with a guide groove extending in the axial direction of the crossflow fan blade. The second motor is arranged at one end of the sliding track, and the drive shaft extends into the guide groove. A rotating shaft is arranged at the end of the guide groove away from the second motor. The drive belt is arranged in the guide groove and is sleeved on the drive shaft and the rotating shaft. The infrared detection module is arranged on the drive belt.

[0014] In some embodiments, the linear motion assembly further includes a guide seat, which is slidably disposed on the sliding track and connected to the driving belt, and the infrared detection module is disposed on the guide seat.

[0015] In some embodiments, the control mechanism includes a controller and an input-output module, and the input-output module, the first motor, the second motor, and the infrared detection module are all connected to the controller.

[0016] In some embodiments, the input-output module is a touch screen display, and the touch screen display is disposed on the operating table.

[0017] In some embodiments, the crossflow fan blade misalignment angle detection device also includes a leakage switch, which is connected to the controller; and / or, the crossflow fan blade misalignment angle detection device also includes an electrical box, which is arranged on the side of the operating table, and the controller is arranged in the electrical box; and / or, the crossflow fan blade misalignment angle detection device also includes a support frame, and the operating table is arranged on the top of the support frame.

[0018] Compared with the prior art, the crossflow fan blade misalignment angle detection device of the utility model has at least the following beneficial effects:

[0019] The utility model discloses a device for detecting the misalignment angle of a crossflow fan blade, which comprises an operating table, a rotating clamping mechanism, an acquiring mechanism and a control mechanism; the rotating clamping mechanism is arranged on the operating table for clamping and driving the crossflow fan blade to rotate circumferentially; the acquiring mechanism is movably arranged on the operating table for acquiring the first edge of a starting blade and the first edge of a target blade arranged in the axial direction of the crossflow fan blade; the control mechanism is arranged on the operating table and is connected to the rotating clamping mechanism and the acquiring mechanism, and is used to detect the misalignment angle of a crossflow fan blade according to the data acquired by the acquiring mechanism and Input preset data, the preset data is the size parameters of the crossflow fan blade, specifically including the axial length of the blade on the crossflow fan blade, control the rotary clamping mechanism to drive the crossflow fan blade to rotate from the first side of the starting blade to the first side of the target blade, so as to output the misalignment angle between the starting blade and the target blade, the crossflow fan blade has a plurality of evenly arranged groups of blades in the circumferential direction, and has a plurality of blade groups in the axial direction, and there is a misalignment angle between the corresponding blades in each blade group, and when the crossflow fan blade is clamped on the rotary clamping mechanism, one blade in the blade group close to one axial end of the crossflow fan blade can be set as The starting blade is a blade in the blade group close to the other axial end of the crossflow fan blade corresponding to the starting blade as the target blade. In the circumferential direction of the crossflow fan blade, the starting blade has a first edge and the target blade also has a first edge. During the specific detection, the axial length of the blade on the crossflow fan blade is first input into the control mechanism, and then the acquisition mechanism is controlled to move to a position corresponding to the starting blade. Then, the rotating clamping mechanism is controlled to drive the first edge of the starting blade of the crossflow fan blade to rotate to the position relative to the acquisition mechanism. According to the number of intervals between the starting blade and the target blade and combined with the input preset data, the acquisition mechanism is controlled to move The utility model discloses a cross-flow fan blade misalignment detection device, which is simple and easy to use, and can effectively improve the detection efficiency, improve the inspection accuracy, and improve the automation rate, so as to solve the technical bottleneck of the cross-flow fan blade of the air conditioner in the industry due to the low test accuracy of the misalignment angle.

[0020] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0022] Figure 1 A schematic diagram of the structure of a crossflow fan blade misalignment angle detection device provided in an embodiment of the utility model;

[0023] Figure 2 A schematic diagram of the structure of the crossflow fan blade misalignment angle detection device provided by an embodiment of the utility model when the crossflow fan blade is installed;

[0024] Figure 3 A schematic structural diagram of another viewing angle of the crossflow fan blade misalignment angle detection device provided by an embodiment of the utility model when the crossflow fan blade is installed;

[0025] Figure 4 A schematic diagram of the structure of a bracket of a crossflow fan blade misalignment angle detection device provided in an embodiment of the utility model;

[0026] Figure 5 A schematic diagram of the assembly structure between the infrared detection module, the guide seat, the linear moving assembly and the driving belt of the crossflow fan blade misalignment angle detection device provided by an embodiment of the utility model;

[0027] Figure 6 A schematic diagram of the structure of an electrical box of a crossflow fan blade misalignment angle detection device provided in an embodiment of the utility model;

[0028] Figure 7 A schematic diagram of the structure of a crossflow fan blade in a crossflow fan blade misalignment angle detection device provided by an embodiment of the utility model;

[0029] Figure 8 A schematic structural diagram of a crossflow fan blade from another perspective of the crossflow fan blade misalignment angle detection device provided by an embodiment of the utility model.

[0030] Description of reference numerals:

[0031] 1. Crossflow fan blade; 11. Insertion hole; 12. Mounting shaft;

[0032] 2. Operation table;

[0033] 31. vertical plate; 32. first motor; 33. plug-in shaft; 34. bracket; 341. base; 342. roller; 35. sliding track;

[0034] 41. infrared detection module; 421. sliding track; 4211. guide groove; 422. second motor; 423. drive belt; 424. guide seat;

[0035] 5. Input and output modules;

[0036] 6. Leakage switch;

[0037] 7. Electric box;

[0038] 8. Support frame. DETAILED DESCRIPTION

[0039] In order to further explain the technical means and effects adopted by the utility model to achieve the predetermined utility model purpose, the specific implementation methods, structures, features and effects of the utility model application are described in detail below in conjunction with the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "embodiment" does not necessarily refer to the same embodiment. In addition, specific features, structures, or characteristics in one or more embodiments may be combined in any suitable form.

[0040] In the description of the present invention, it should be clarified that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence; the terms "vertical", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "horizontal", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention, and do not mean that the referred device or element must have a specific direction or position, and therefore cannot be understood as a limitation on the present invention.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] Example 1

[0043] like Figure 1-8 As shown, the embodiment of the utility model provides a crossflow fan blade misalignment angle detection device, and the crossflow fan blade misalignment angle detection device includes:

[0044] Operation table 2;

[0045] A rotary clamping mechanism, arranged on the operating table 2, for clamping and driving the crossflow fan blade 1 to rotate circumferentially;

[0046] An acquisition mechanism, movably disposed on the operating table 2, for acquiring a first edge of a starting blade and a first edge of a target blade arranged in the axial direction of the crossflow blade 1;

[0047] A control mechanism is arranged on the operating table 2 and is connected to the rotary clamping mechanism and the acquisition mechanism. It is used to control the rotary clamping mechanism to drive the crossflow fan blade 1 to rotate from the first edge of the starting blade to the first edge of the target blade according to the data acquired by the acquisition mechanism and the input preset data, so as to output the misalignment angle between the starting blade and the target blade.

[0048] In this embodiment, the crossflow fan blade misalignment angle detection device includes an operating table 2, a rotary clamping mechanism, an acquisition mechanism and a control mechanism; the rotary clamping mechanism is arranged on the operating table 2 for clamping and driving the crossflow fan blade 1 to rotate circumferentially; the crossflow fan blade 1 can be a direct current crossflow fan blade or an oblique flow crossflow fan blade, and the acquisition mechanism is movably arranged on the operating table 2 for acquiring the first edge of the starting blade and the first edge of the target blade arranged in the axial direction of the crossflow fan blade 1; the control mechanism is arranged on the operating table 2 and is connected to the rotary clamping mechanism and the acquisition mechanism, and is used to control the rotary clamping mechanism to drive the crossflow fan blade 1 to rotate from the first edge of the starting blade to the first edge of the target blade according to the data acquired by the acquisition mechanism and the input of preset data, the preset data being the size parameters of the crossflow fan blade 1, specifically including the axial length of the blades on the crossflow fan blade, so as to output the misalignment angle between the starting blade and the target blade, such as Figure 7As shown, the crossflow fan blade 1 has a group of blades evenly arranged in the circumferential direction and a plurality of blade groups in the axial direction. There is a staggered angle between the corresponding blades in each blade group. When the crossflow fan blade 1 is clamped on the rotating clamping mechanism, a blade in the blade group close to one axial end of the crossflow fan blade 1 can be set as the starting blade, and a blade corresponding to the starting blade in the blade group close to the other axial end of the crossflow fan blade 1 can be set as the target blade. In the circumferential direction of the crossflow fan blade 1, the starting blade has a first edge and the target blade also has a first edge. In specific detection, the axial length of the blade on the crossflow fan blade is first input into the control mechanism, and then the control mechanism is controlled. The acquisition mechanism is controlled to move to a position corresponding to the starting blade, and then the rotating clamping mechanism is controlled to drive the first side of the starting blade of the crossflow fan blade 1 to rotate until it is relative to the acquisition mechanism. According to the number of intervals between the starting blade and the target blade and combined with the input preset data, the acquisition mechanism is controlled to move to a position corresponding to the target blade. Then the rotating clamping mechanism is controlled to drive the first side of the target blade of the crossflow fan blade 1 to rotate until it is relative to the acquisition mechanism. The actual misalignment angle between the starting blade and the target blade is obtained according to the difference between the two times. The actual misalignment angle between the starting blade and the target blade is output through the control mechanism, and then the qualified range of the misalignment angle can be compared to determine whether the product is qualified.

[0049] The crossflow fan blade misalignment angle detection device provided in this embodiment is simple and easy to use, and can effectively improve the detection efficiency, the inspection accuracy, and the automation rate, so as to solve the technical bottleneck of the crossflow fan blades of the air conditioner in the industry due to the low accuracy of the misalignment angle test.

[0050] The crossflow fan blade misalignment angle detection device of this embodiment can input the misalignment angle qualified range judgment standard into the control mechanism in advance, and can also directly output whether it is qualified. If it is found that the misalignment angle exceeds the allowable range, it can be combined with alarm devices such as sound, light and image to remind the user to take corresponding control measures in time.

[0051] According to the interval number between the starting blade and the target blade and combined with the input preset data, the acquisition mechanism is controlled to move to the position corresponding to the target blade, as follows: Figure 7 As shown, in the axial direction, the crossflow fan blade 1 has a total of eight blade groups. One blade in the blade group close to one axial end of the crossflow fan blade 1 can be set as the starting blade, and the blade corresponding to the starting blade in the blade group close to the other axial end of the crossflow fan blade 1 can be set as the target blade, that is, the starting blade is the blade in the first blade group, and the target blade is the blade in the eighth blade group. The length of the movement of the control acquisition mechanism can be seven times the length of the blade.

[0052] In some embodiments, the rotating clamping mechanism includes a vertical plate 31, a first motor 32, an insertion shaft 33 and a bracket 34, the vertical plate 31 and the bracket 34 are arranged on the operating table 2, the insertion shaft 33 is rotatably arranged on the side of the vertical plate 31 facing the bracket 34, the insertion shaft 33 is inserted into the insertion hole 11 of the crossflow fan blade 1, the installation shaft 12 of the crossflow fan blade 1 is arranged on the bracket 34, the first motor 32 is arranged on the vertical plate 31 and the output end is connected to the insertion shaft 33 to drive the crossflow fan blade 1 to rotate.

[0053] In this embodiment, the rotary clamping mechanism includes a vertical plate 31, a first motor 32, an insertion shaft 33 and a bracket 34. The vertical plate 31 and the bracket 34 are arranged on the operating table 2. The insertion shaft 33 is rotatably arranged on the side of the vertical plate 31 facing the bracket 34. The insertion shaft 33 is inserted in the insertion hole 11 of the crossflow fan blade 1. The installation shaft 12 of the crossflow fan blade 1 is arranged on the bracket 34. The first motor 32 is arranged on the vertical plate 31 and the output end is connected to the insertion shaft 33. The insertion shaft 33 can be driven to rotate by the first motor 32, thereby driving the crossflow fan blade 1 to rotate, thereby realizing that the rotary clamping mechanism clamps the crossflow fan blade 1 and drives the crossflow fan blade 1 to rotate circumferentially. In actual applications, a through hole can be arranged on the vertical plate 31, a bearing is arranged in the through hole, and the insertion shaft 33 is inserted in the bearing.

[0054] In some embodiments, the bracket 34 includes a base 341 and two rollers 342 disposed on the base 341 , the two rollers 342 are disposed tangentially, and the mounting shaft 12 is disposed between the two rollers 342 .

[0055] In this embodiment, the bracket 34 includes a base 341 and two rollers 342 arranged on the base 341. The two rollers 342 are arranged tangentially, and the mounting shaft 12 is arranged between the two rollers 342, so that the mounting shaft 12 can rotate before following the crossflow fan blade 1. At the same time, it can prevent the axis of the crossflow fan blade 1 from being tilted during rotation, thereby improving the detection accuracy of the crossflow fan blade misalignment angle detection device.

[0056] In some embodiments, the rotary clamping mechanism further includes a sliding rail 35 , which is disposed on the operating table 2 and extends along the axial direction of the crossflow blade 1 . In this embodiment, the bracket 34 is movably disposed on the sliding rail 35 .

[0057] In this embodiment, the rotating clamping mechanism also includes a sliding rail 35, which is arranged on the operating table 2 and extends along the axial direction of the crossflow fan blade 1. The bracket 34 is movably arranged on the sliding rail 35, which can be expanded to be suitable for all models of crossflow fan blade misalignment angle tests.

[0058] In some embodiments, the acquisition mechanism includes an infrared detection module 41 and a linear moving component, the linear moving component is arranged on the operating table 2, the infrared detection module 41 is arranged on the linear moving component and faces the crossflow fan blade 1, and the linear moving component can drive the infrared detection module 41 to move axially along the crossflow fan blade 1.

[0059] In this embodiment, the acquisition mechanism includes an infrared detection module 41 and a linear moving component. The linear moving component is arranged on the operating table 2. The infrared detection module 41 is arranged on the linear moving component and faces the crossflow blade 1, and is used to obtain the first edge of the starting blade and the first edge of the target blade arranged axially in the crossflow blade 1. The linear moving component of this embodiment can drive the infrared detection module 41 to move along the axial direction of the crossflow blade 1, so that the infrared detection module 41 can be moved to the range of the starting blade and the target blade, so as to obtain the first edge of the starting blade and the first edge of the target blade when the crossflow blade 1 rotates.

[0060] In some embodiments, the linear motion component includes a sliding rail 421, a second motor 422 and a driving belt 423. The sliding rail 421 is arranged on the operating table 2 and extends along the axial direction of the crossflow fan blade 1. The sliding rail 421 is provided with a guide groove 4211 extending in the axial direction of the crossflow fan blade 1. The second motor 422 is arranged at one end of the sliding rail 421, and the drive shaft extends into the guide groove 4211. A rotating shaft is arranged at one end of the guide groove 4211 away from the second motor 422. The driving belt 423 is arranged in the guide groove 4211 and is sleeved on the driving shaft and the rotating shaft. The infrared detection module 41 is arranged on the driving belt 423.

[0061] In this embodiment, the linear motion component includes a sliding rail 421, a second motor 422 and a driving belt 423. The sliding rail 421 is arranged on the operating table 2 and extends along the axial direction of the crossflow fan blade 1. The sliding rail 421 is provided with a guide groove 4211 extending in the axial direction of the crossflow fan blade 1. The second motor 422 is arranged at one end of the sliding rail 421, and the driving shaft extends into the guide groove 4211. A rotating shaft is arranged at the end of the guide groove 4211 away from the second motor 422. The driving belt 423 is arranged in the guide groove 4211 and is sleeved on the driving shaft and the rotating shaft. When the second motor 422 is running, the driving belt 423 can be driven by the driving shaft of the second motor 422 to rotate in the guide groove 4211. Since the infrared detection module 41 is arranged on the driving belt 423, the infrared detection module 41 can be driven to move along the axial direction of the crossflow fan blade 1, so as to obtain the first edge of the starting blade and the first edge of the target blade.

[0062] In some embodiments, the linear motion assembly further includes a guide seat 424 , which is slidably disposed on the sliding rail 421 and connected to the driving belt 423 , and the infrared detection module 41 is disposed on the guide seat 424 .

[0063] In this embodiment, the linear moving assembly also includes a guide seat 424, which is slidably disposed on the sliding rail 421 and connected to the driving belt 423. The infrared detection module 41 is disposed on the guide seat 424. The detection accuracy of the crossflow blade misalignment angle detection device can be improved through the guiding cooperation between the guide seat 424 and the sliding rail 421.

[0064] In some embodiments, the control mechanism includes a controller and an input-output module 5 . The input-output module 5 , the first motor 32 , the second motor 422 , and the infrared detection module 41 are all connected to the controller.

[0065] In this embodiment, the control mechanism includes a controller, an input-output module 5, the input-output module 5, the first motor 32, the second motor 422 and the infrared detection module 41 are all connected to the controller. The controller controls the rotating clamping mechanism to drive the crossflow blade 1 from the first edge of the starting blade to the first edge of the target blade through the preset data input by the input-output module 5 and the data acquired by the acquisition mechanism, and then outputs the misalignment angle between the starting blade and the target blade through the input-output module 5.

[0066] In some embodiments, the input-output module 5 is a touch screen display, and the touch screen display is disposed on the operating console 2 .

[0067] In this embodiment, the input-output module 5 is a touch screen display, which is arranged on the operating console 2 to facilitate data input and output.

[0068] In some embodiments, the crossflow fan blade misalignment angle detection device further includes a leakage switch 6, and the leakage switch 6 is connected to the controller.

[0069] In this embodiment, the leakage switch 6 ensures that the crossflow fan blade misalignment angle detection device can be protected in case of leakage to prevent electric shock.

[0070] In some embodiments, the crossflow fan blade misalignment angle detection device further includes an electrical box 7, which is disposed on a side of the operating table 2, and the controller is disposed in the electrical box 7, and the arrangement of the electrical box 7 facilitates wiring.

[0071] In some embodiments, the crossflow fan blade misalignment angle detection device also includes a support frame 8, and the operating table 2 is arranged on the top of the support frame 8 to facilitate workers' operation, and the leakage switch 6 can be arranged on the electrical box 7.

[0072] The first motor 32 may be a closed-loop stepper motor, which is a high-end stepper motor with higher control accuracy and better operating stability. It introduces a feedback signal to compare the actual output of the motor with the set value of the controller, thereby achieving precise positioning control.

[0073] The second motor 422 may be a stepper motor, and both the first motor 32 and the second motor 422 have a stepper driver.

[0074] A stepper driver is an electronic driver that is mainly used to control the movement of a stepper motor. It can convert electrical pulse signals into angular displacement, that is, drive the stepper motor to rotate a fixed angle in the set direction. The rotation angle of the motor is controlled by controlling the number of pulses sent by the driver, thereby achieving precise positioning. At the same time, it can also control the frequency of the pulse signal to control the speed and acceleration of the stepper motor to achieve the purpose of speed regulation.

[0075] The crossflow fan blade misalignment angle detection device of the utility model can solve the problems of low detection efficiency and error of manual eye calibration action and manual calculation action when detecting misalignment angle; employees do not need to perform manual calculation, and the automated device replaces manual work by performing two actions of "automatic calibration" and "automatic measurement of misalignment angle" to replace repeated manual eye calibration action and manual calculation action, thereby improving the test efficiency.

[0076] In summary, those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the above-described equipment, devices and units can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0077] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A device for detecting the misalignment angle of a crossflow fan blade, characterized in that: The crossflow fan blade misalignment angle detection device comprises: Operation table; A rotary clamping mechanism, arranged on the operating table, for clamping and driving the crossflow fan blade to rotate circumferentially; An acquisition mechanism, movably disposed on the operating table, for acquiring a first edge of a starting blade and a first edge of a target blade arranged in the axial direction of the crossflow blade; A control mechanism is arranged on the operating table and is connected to the rotary clamping mechanism and the acquisition mechanism. It is used to control the rotary clamping mechanism to drive the crossflow blade to rotate from the first edge of the starting blade to the first edge of the target blade according to the data acquired by the acquisition mechanism and the input preset data, so as to output the misalignment angle between the starting blade and the target blade.

2. The crossflow fan blade misalignment angle detection device according to claim 1, characterized in that: The rotating clamping mechanism includes a vertical plate, a first motor, an insertion shaft and a bracket. The vertical plate and the bracket are arranged on the operating table. The insertion shaft is rotatably arranged on the side of the vertical plate facing the bracket. The insertion shaft is inserted into the insertion hole of the crossflow fan blade. The installation shaft of the crossflow fan blade is arranged on the bracket. The first motor is arranged on the vertical plate and the output end is connected to the insertion shaft to drive the crossflow fan blade to rotate.

3. The crossflow fan blade misalignment angle detection device according to claim 2, characterized in that: The bracket comprises a base and two rollers arranged on the base, the two rollers are arranged tangentially, and the mounting shaft is arranged between the two rollers.

4. The crossflow fan blade misalignment angle detection device according to claim 2, characterized in that: The rotary clamping mechanism further comprises a sliding track, which is arranged on the operating table and extends along the axial direction of the crossflow blade, and the bracket is movably arranged on the sliding track.

5. The crossflow fan blade misalignment angle detection device according to claim 2, characterized in that: The acquisition mechanism includes an infrared detection module and a linear moving component. The linear moving component is arranged on the operating table. The infrared detection module is arranged on the linear moving component and faces the crossflow fan blade. The linear moving component can drive the infrared detection module to move axially along the crossflow fan blade.

6. The crossflow fan blade misalignment angle detection device according to claim 5, characterized in that: The linear motion component includes a sliding track, a second motor and a driving belt. The sliding track is arranged on the operating table and extends along the axial direction of the crossflow fan blade. The sliding track is provided with a guide groove extending in the axial direction of the crossflow fan blade. The second motor is arranged at one end of the sliding track, and the driving shaft extends into the guide groove. A rotating shaft is arranged at one end of the guide groove away from the second motor. The driving belt is arranged in the guide groove and is sleeved on the driving shaft and the rotating shaft. The infrared detection module is arranged on the driving belt.

7. The crossflow fan blade misalignment angle detection device according to claim 6, characterized in that: The linear motion assembly further comprises a guide seat, which is slidably arranged on the sliding track and connected to the driving belt, and the infrared detection module is arranged on the guide seat.

8. The crossflow fan blade misalignment angle detection device according to claim 6, characterized in that: The control mechanism comprises a controller and an input-output module. The input-output module, the first motor, the second motor and the infrared detection module are all connected to the controller.

9. The crossflow fan blade misalignment angle detection device according to claim 8, characterized in that: The input-output module is a touch screen display, and the touch screen display is arranged on the operating table.

10. The crossflow fan blade misalignment angle detection device according to claim 8, characterized in that: The crossflow fan blade misalignment angle detection device also includes a leakage switch, which is connected to the controller; and / or, the crossflow fan blade misalignment angle detection device also includes an electrical box, which is arranged on the side of the operating table, and the controller is arranged in the electrical box; and / or, the crossflow fan blade misalignment angle detection device also includes a support frame, and the operating table is arranged on the top of the support frame.

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