Test equipment and test method

Abstract

The invention provides test equipment and a test method, relates to the technical field of compressors, and solves the technical problems of low efficiency, high strength and potential quality hazards of manual detection of compressors. The test equipment is used for intelligently and automatically testing equipment to be tested, and comprises a main frame; the rotating platform is arranged in the main frame and is used for driving to-be-detected equipment placed on the rotating platform to circumferentially rotate so as to sequentially complete various detections; the robot is arranged beside the main rack, is connected with the rotating platform in a material conveying manner and is used for realizing automatic feeding and discharging of the to-be-tested equipment; the first detection station, the second detection station and the third detection station are sequentially arranged in the circumferential direction of the rotating platform so as to complete testing of the appearance, basic parameters and operation parameters of to-be-tested equipment. And the industrial control computer is mounted on the main frame, and the industrial control computer is in wireless signal connection with the first detection station, the second detection station and the third detection station. The method is used for comprehensive automatic detection of the compressor.

Description

Technical Field

[0001] The present invention relates to the technical field of compressors, and in particular to intelligent testing equipment and a testing method for compressors. Background Art

[0002] The compressor is heavy, and manual inspection is labor-intensive and poses a safety hazard of being hit. Vernier calipers are used to measure the dimensions, and data is obtained based on workers' experience, which results in large errors. Most dimensions cannot be measured, which poses a major quality hazard and labor intensity. Moreover, when the compressor is powered on for testing, electrical connections are made manually, which poses a major safety hazard and low work efficiency. Summary of the invention

[0003] The purpose of the present invention is to provide an intelligent test device and a test method for a compressor, so as to solve the technical problems existing in the prior art of low efficiency, high intensity and potential quality risks of manual inspection of compressors.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] The present invention provides a test device for performing intelligent automatic testing on a device to be tested, the test device comprising:

[0006] Main frame;

[0007] A rotating platform is arranged in the main frame and is used to drive the device to be tested placed thereon to rotate circumferentially to complete various tests in sequence;

[0008] A robot is arranged beside the main frame and connected to the rotating platform material conveyor for realizing automatic loading and unloading of the equipment to be tested;

[0009] The first inspection station, the second inspection station and the third inspection station are sequentially arranged along the circumference of the rotating platform to respectively complete the test of the appearance, basic parameters and operating parameters of the device to be tested;

[0010] An industrial computer is installed on the main frame, and the industrial computer is connected to the first detection station, the second detection station and the third detection station via wireless signals.

[0011] The testing equipment of the present invention can automatically complete various tests of the compressor without manual operation, and can be completed automatically and intelligently, thereby improving the level of factory automation, eliminating potential major safety hazards caused by manual operation, providing safety guarantees, improving work efficiency, reducing work intensity, reducing labor costs, and eliminating the occurrence of low test accuracy during manual testing.

[0012] As a further improvement of the present invention, the first detection station includes a camera scanner mounting bracket, a barcode scanner, and a visual infrared camera; wherein:

[0013] The camera scanner gun mounting bracket is vertically arranged beside the rotating platform;

[0014] The barcode scanner is fixed in the middle of the camera scanner mounting bracket;

[0015] The visual infrared camera is mounted on the top of the camera scanner mounting bracket.

[0016] As a further improvement of the present invention, the second detection station includes a rotating arm mounting bracket, a servo motor, a rotating bracket, and a laser infrared scanning module; wherein:

[0017] The rotating arm mounting bracket is vertically arranged beside the rotating platform;

[0018] The servo motor is mounted on the top of the rotating arm mounting bracket;

[0019] The rotating bracket is an L-shaped structure, and the first free arm is connected to the driving shaft of the servo motor;

[0020] The laser infrared scanning module is fixed on the second free arm of the rotating bracket.

[0021] As a further improvement of the present invention, the third detection station includes a lower pressure plate mounting bracket, a stall detection module, a noise detection module and a vibration detection module; wherein:

[0022] The lower pressure plate mounting bracket is vertically arranged beside the rotating platform;

[0023] The stall detection module is mounted on the top of the lower pressure plate mounting bracket;

[0024] The vibration detection module is installed on the stall detection module;

[0025] The noise detection module is installed at the lower part of the lower pressing plate mounting bracket.

[0026] As a further improvement of the present invention, the stall detection module includes a lifting drive source, a fixing mechanism, an air intake and exhaust interface, a power supply interface, and a detection element; wherein:

[0027] The lifting drive source is fixed on the lower pressing plate mounting bracket;

[0028] The fixing mechanism is connected to the output end of the lifting drive source;

[0029] The air intake and exhaust interface and the power supply interface are fixed on the fixing mechanism;

[0030] The vibration detection module is installed on the air intake and exhaust interface;

[0031] The detection element is arranged on the fixing mechanism and connected to the air intake and exhaust interface and the power supply interface.

[0032] As a further improvement of the present invention, the fixing mechanism includes a fixing plate, a buffer plate, a positioning guide rod, and a buffer spring; wherein:

[0033] The fixing plate is connected to the output end of the lifting drive source;

[0034] One end of the positioning guide rod is fixed to the buffer plate, and the other end slides through the fixing plate;

[0035] The buffer spring is sleeved on the positioning guide rod located between the fixing plate and the buffer plate.

[0036] As a further improvement of the present invention, a plurality of groups of positioning mechanisms are evenly arranged along the circumferential direction on the rotating platform.

[0037] As a further improvement of the present invention, protective fences are respectively arranged on both sides of the main frame and beside the robot.

[0038] As a further improvement of the present invention, each group of the positioning mechanisms includes positioning columns arranged in a triangle.

[0039] As a further improvement of the present invention, it also includes a data upload module. The industrial computer has a storage unit that can automatically save the test data, and the test data is synchronously uploaded to the MES system through the data upload module.

[0040] The testing device of the present invention has the following beneficial effects:

[0041] 1. Automatic loading and unloading of compressors can be achieved through the combination of robots and vision.

[0042] 2. Determine the compressor model by scanning the compressor barcode and realize automatic comparison with the database.

[0043] 3. The rotating laser infrared scanning module can realize 360° comprehensive 1:1 modeling of the compressor and automatically compare it with the database without any difference.

[0044] 4. Through the continuous movement of the rotating platform, the compressor can be tested continuously and uninterruptedly, thus improving the testing efficiency.

[0045] 5. The compressor can be accurately positioned through the positioning column, so that the compressor can be quickly positioned, installed and taken out.

[0046] 6. The equipment communicates with the industrial computer wirelessly in real time, records relevant data, and binds and uploads the data to the MES platform for later traceability.

[0047] The present invention provides a testing method, which uses the testing device to test a compressor, and the method comprises the following steps:

[0048] Start the test equipment and set parameters through the industrial computer;

[0049] Use a robot to place the compressor on the first inspection station of the rotating platform to complete barcode scanning and appearance inspection;

[0050] After completing the inspection at the first inspection station, the rotating platform drives the compressor to move to the second inspection station to conduct a 360° comprehensive scan and modeling of the compressor and complete the inspection of basic parameters through system comparison drawings;

[0051] After completing the detection of basic parameters, the rotating platform drives the compressor to move to the third detection station to detect the operating parameters of the compressor. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0053] Figure 1 is an isometric view of the test device of the present invention (I);

[0054] Figure 2 is an isometric view (II) of the test device of the present invention;

[0055] Figure 3 is an isometric view of the test device of the present invention (III);

[0056] Figure 4 is a top view of the test device of the present invention;

[0057] Figure 5 is a side view of the test device of the present invention;

[0058] Figure 6 is a front view of the testing device of the present invention;

[0059] Figure 7 is an isometric view of the test equipment of the present invention after the fence and the robot are removed (I);

[0060] Figure 8 is a top view of a main frame in the testing device of the present invention;

[0061] Fig. 9 is an axonometric view of the test equipment of the present invention after the fence and the robot are removed (II);

[0062] Fig.10 is an isometric view of the test equipment of the present invention after the fence and the robot are removed (III);

[0063] Fig.11 is an axonometric view of the test equipment of the present invention after the fence and the robot are removed (IV);

[0064] Fig.12 is a rear view of the test equipment of the present invention after the fence and the robot are removed;

[0065] Fig.13 This is a right side view of the test equipment of the present invention after the fence and the robot are removed;

[0066] Fig.14 This is a front view of the test equipment of the present invention after the fence and the robot are removed;

[0067] Fig.15 It is a left side view of the test equipment of the present invention after the fence and the robot are removed;

[0068] Fig.16 It is a control flow chart of the testing method of the present invention.

[0069] In the figure, 1, main frame; 2, foot cup; 3, cabinet door; 4, industrial computer; 5, indicator light; 6, fence; 7, fork plate; 8, compressor; 9, rotating platform; 10, positioning column; 11, camera scanner gun mounting bracket; 12, lower pressure plate mounting bracket; 13, rotating arm mounting bracket; 14, barcode scanner; 15, visual infrared camera; 16, servo motor; 17, rotating bracket; 18, laser infrared scanning module; 19, cylinder; 20, platform support plate; 21, solenoid valve, flow meter, pressure module; 22, linear bearing; 23, positioning guide rod; 24, buffer spring; 25, vibration sensor; 26, noise sensor; 27, rotating disk; 28, robot; 29, industrial camera; 30, three-claw finger cylinder; 31, L-type clamp; 32, stepper motor. DETAILED DESCRIPTION

[0070] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0071] like Figure 1-Figure 15As shown, the present invention provides a test device for performing intelligent automatic testing on a device to be tested. It should be noted that the device to be tested can be any device that needs to be tested for size, appearance and / or operating performance. This embodiment takes a compressor 8 as an example for specific description. In this embodiment, the test device includes:

[0072] The main frame 1 is used to carry other components in the test equipment; specifically, the main frame 1 includes a cabinet and a panel; the interior of the cabinet is a hollow structure, which is convenient for placing components, and the panel includes a first panel and a second panel, and the bottoms of the first panel and the second panel are respectively connected to the tops of the adjacent two sides of the cabinet, thereby forming an L-shaped arrangement structure;

[0073] The rotating platform 9 is arranged in the main frame 1, and is used to drive the device to be tested placed thereon to rotate circumferentially to complete various tests in sequence; specifically, the rotating platform 9 is rotatably arranged on the top of the cabinet; a rotating mechanism is arranged at the bottom of the rotating platform 9, and the rotating mechanism is used to drive the rotating platform 9 to rotate horizontally relative to the cabinet;

[0074] Furthermore, the rotating mechanism includes a stepper motor 32 and a rotating disk 27. Through the continuous movement of the rotating platform 9, the compressor 8 can be tested continuously and uninterruptedly, thereby improving the test efficiency. The stepper motor 32 is fixed inside the cabinet, and the rotating disk 27 is connected to the output shaft of the stepper motor 32, and can be driven by the stepper motor 32 to rotate horizontally. Considering the rotation stability, a supporting and stabilizing structure can be set between the edge of the rotating disk 27 and the top surface of the cabinet to facilitate the stable rotation of the rotating disk 27. The supporting and stabilizing structure can be implemented by products in the prior art, such as plane bearings.

[0075] The robot 28 is arranged beside the main frame 1 and connected to the material conveyor of the rotating platform 9 to realize automatic loading and unloading of the equipment to be tested. It should be noted that the robot 28 can be realized by using products in the prior art. A three-claw finger cylinder 30 and an L-shaped clamp 31 are installed at the end of the robot 28 arm. The robot 28 is equipped with a visual component, such as a camera, a still camera or an industrial camera 29. The present invention does not improve the robot 28. As long as it can clamp the equipment to be tested and put it into the rotating disk 27 or take it out from the rotating disk 27, it will not be described in detail. The robot 28 is used in conjunction with vision to realize automatic loading and unloading of the compressor 8.

[0076] The first inspection station, the second inspection station and the third inspection station are sequentially arranged along the circumference of the rotating platform 9 to respectively complete the test of the appearance, basic parameters and operating parameters of the device to be tested;

[0077] The industrial computer 4 is installed on the main frame 1. The industrial computer 4 is connected to the first detection station, the second detection station and the third detection station by wireless signals, and is used to record the test data and upload the data to the MES platform for later traceability.

[0078] As a further improvement of the present invention, a plurality of positioning mechanisms are evenly arranged on the rotating platform 9 along the circumferential direction.

[0079] Specifically, the positioning mechanism is arranged at the edge of the rotating disk 27 and is arranged along the entire circumference of the rotating disk 27. Through this structural arrangement, continuous detection can be achieved when the rotating disk 27 rotates, thereby improving detection efficiency.

[0080] Furthermore, considering that the compressor 8 is installed with a fixed foot structure and the number of the fixing bolts for the fixed foot is three, in the present embodiment, each set of positioning mechanisms includes positioning columns 10 arranged in a triangular shape, and the compressor 8 is accurately positioned by the positioning columns 10, so that the compressor 8 can be quickly positioned, installed and taken.

[0081] Of course, if the device to be tested is other equipment, the positioning mechanism can be implemented in other structural forms, as long as it is convenient to fix the device to be tested and to put in and take out the device to be tested, and it is not limited to this structure.

[0082] Specifically, the industrial computer 4 is installed on the first enclosure, and the first enclosure is also provided with an indicator light 5; the second enclosure is provided with a cabinet door 3; in order to facilitate the adjustment of balance and support, a foot cup 2 is provided at the bottom of the cabinet.

[0083] It should be noted that the industrial computer 4 can also be implemented by a computer in the prior art, but in order to realize the equipment control, parameter comparison, data recording, etc. of the present invention, the above control is realized by the adaptability of the built-in programming program in the computer. The equipment and the industrial computer communicate wirelessly in real time, record relevant data, and bind and upload the data to the MES platform for later traceability.

[0084] In order to prevent accidental entry or other risks during testing, in this embodiment, protective fences 6 are respectively provided on both sides of the main frame 1 and beside the robot 28.

[0085] Specifically, the protective fence 6 has three pieces, one of which is connected to the edge of the first enclosure, the second is connected to the edge of the second enclosure, and the third is arranged in a triangle with the other two enclosures and is located outside the robot 28.

[0086] In order to facilitate the loading and unloading of materials, a space is reserved on the left and right sides of the robot 28, one is the space to be tested, and the other is the space after the test. The equipment to be tested is placed in the space to be tested before the test, and the tested equipment is placed in the space after the test. The travel of the robot 28 can cover the space to be tested, the space after the test, and the rotating platform 9.

[0087] In this embodiment, the compressor 8 is placed in the fork plate 7 as a device to be tested.

[0088] The testing equipment of the present invention can automatically complete various tests of the compressor 8 without manual operation, and can be completed automatically and intelligently, thereby improving the level of factory automation, eliminating potential major safety hazards caused by human operation, providing safety guarantees, improving work efficiency, reducing work intensity, reducing labor costs, and eliminating the occurrence of low test accuracy during manual testing.

[0089] As an optional embodiment of the present invention, the first detection station includes a camera scanner mounting bracket 11, a barcode scanner, and a visual infrared camera 15; wherein:

[0090] The camera scanner mounting bracket 11 is vertically arranged beside the rotating platform 9;

[0091] The barcode scanner 14 is fixed in the middle of the camera scanner mounting bracket, and is used to perform 360° comprehensive 1:1 modeling of the compressor 8 and automatically compare it with the database;

[0092] The visual infrared camera 15 is mounted on the top of the camera scanner mounting bracket 11 .

[0093] It should be noted that the barcode scanner is installed in a position where it can scan the barcode on the compressor 8, so as to identify and obtain the model of the compressor 8; by scanning the barcode of the compressor 8, the model of the compressor 8 is determined, and the automatic comparison function with the database is realized;

[0094] The lens of the visual infrared camera 15 is set obliquely downward, so that the appearance of the compressor 8 can be inspected from the top.

[0095] As an optional embodiment of the present invention, the second detection station includes a rotating arm mounting bracket 13, a servo motor 16, a rotating bracket 17, and a laser infrared scanning module 18; wherein:

[0096] The rotating arm mounting bracket 13 is vertically arranged beside the rotating platform 9;

[0097] The servo motor 16 is suspended on the top of the rotating arm mounting bracket 13;

[0098] The rotating bracket 17 is an L-shaped structure, and the first free arm is connected to the driving shaft of the servo motor 16;

[0099] The laser infrared scanning module 18 is fixed on the second free arm of the rotating bracket 17. By rotating the laser infrared scanning module 18, a 360° comprehensive 1:1 modeling of the compressor 8 is achieved, and it is automatically compared with the database without difference.

[0100] It should be noted that there are multiple laser infrared scanning modules 18, which are arranged in sequence along the length direction of the second free arm of the rotating bracket 17, so as to cover the entire height space of the compressor 8, thereby realizing 360° 1:1 scanning modeling.

[0101] As an optional embodiment of the present invention, the third detection station includes a lower pressure plate mounting bracket 12, a stall detection module, a noise detection module and a vibration detection module; wherein:

[0102] The lower pressing plate mounting bracket 12 is vertically arranged beside the rotating platform 9;

[0103] The stall detection module is mounted on the top of the lower pressure plate mounting bracket 12 to complete stall detection;

[0104] The vibration detection module is installed on the stall detection module and is used to complete the vibration detection when the compressor 8 is running;

[0105] The noise detection module is mounted on the lower portion of the lower pressure plate mounting bracket 12 to complete the noise detection when the compressor 8 is running.

[0106] Furthermore, in this embodiment, the stall detection module includes a lifting drive source, a fixing mechanism, an air intake and exhaust interface, a power supply interface, and a detection element; wherein:

[0107] The lifting drive source is fixed on the lower pressing plate mounting bracket 12 to complete the reciprocating lifting action;

[0108] The fixing mechanism is connected to the output end of the lifting driving source and can be lifted and lowered under the drive of the lifting driving source;

[0109] The exhaust and intake interface and the power interface are fixed on the fixing mechanism. The exhaust and intake interface includes an exhaust interface and an intake interface, and the exhaust interface and / or the intake interface pipeline are also provided with a solenoid valve, a flow meter, and a pressure module. As an optional embodiment, the exhaust interface and the intake interface are respectively connected to the solenoid valve, the flow meter, and the pressure module through an air pipe.

[0110] The vibration detection module is installed on the air intake and exhaust interface; the interface adopts a sealed interface structure design to prevent air leakage.

[0111] The detection element is arranged on the fixing mechanism and is connected to the intake and exhaust interface and the power supply interface. The detection element can detect parameters such as the pressure in the compressor 8.

[0112] It should be noted that, in this embodiment, the lifting drive source may be a cylinder 19, and of course, it may also be implemented by a motor module.

[0113] Furthermore, the fixing mechanism includes a fixing plate, a buffer plate, a positioning guide rod 23, and a buffer spring 24; wherein:

[0114] The fixed plate is connected to the output end of the lifting drive source;

[0115] One end of the positioning guide rod 23 is fixed to the buffer plate, and the other end slides through the fixed plate;

[0116] The buffer spring 24 is sleeved on the positioning guide rod 23 between the fixing plate and the buffer plate.

[0117] Furthermore, the fixing mechanism can also be implemented by a clamping jaw, which is connected to the lifting drive source, and the suction and exhaust interface, the power supply interface, and the detection element can all be arranged on the clamping jaw.

[0118] It should be noted that the industrial computer 4 also includes a data upload module. The industrial computer 4 has a storage unit that can automatically save the test data and synchronously upload the test data to the MES system through the data upload module.

[0119] The test equipment of the present invention realizes intelligent control and intelligent detection of the device through real-time data connection between the device and the industrial control computer, and synchronously collects the operating data in real time and returns it to the industrial control computer; the positioning column 10 accurately positions the compressor 8, and the compressor 8 is quickly positioned, installed and taken to prevent displacement during the test; the rotating platform 9 continuously moves to realize continuous and uninterrupted testing of the compressor 8, thereby improving the test efficiency; the robot 28 cooperates with the vision to realize accurate clamping of the compressor 8, and realizes fast and automatic loading and unloading; the rotating laser infrared scanning module 18 realizes 360° comprehensive 1:1 modeling of the compressor 8, and automatically compares it with the database without difference, so as to realize error-free inspection of the appearance model; by scanning the barcode of the compressor 8, the model of the compressor 8 is determined, and automatic connection with the database is realized to meet the requirements of accurate data retrieval in the subsequent test process; by binding the access data and uploading it to the MES platform, material analysis and use are realized, and the test products are traceable.

[0120] Embodiment 1:

[0121] like Figure 1-Figure 15As shown, in this embodiment, the test equipment includes a foot cup 2, a cabinet door 3, an industrial computer 4, an indicator light 5, a camera scanner mounting bracket 11, a lower pressure plate mounting bracket 12, a rotating arm mounting bracket 13, a rotating disk 27, and a stepper motor 32 installed on the main frame 1; a barcode scanner 14 and a visual infrared camera 15 are installed on the camera scanner mounting bracket 11; a cylinder 19, a platform support plate 20, a solenoid valve, a flow meter, a pressure module 21, a linear bearing 22, a positioning guide rod 23, a buffer spring 24, an intake and exhaust interface, a power-on interface, a vibration sensor 25, and a noise sensor 26 are installed on the lower pressure plate mounting bracket 12; a servo motor 16, a rotating bracket 17, and a laser infrared scanning module 18 are installed on the rotating arm mounting bracket 13; a rotating platform 9 and a positioning column 10 are installed on the rotating disk 27; an industrial camera 29, a three-claw finger cylinder 30, and an L-shaped clamp 31 are installed on the robot 28; a fence 6, a fork plate 7, a compressor 8, and a robot 28 are installed in the surrounding area of ​​the main frame 1.

[0122] Action flow:

[0123] The compressor 8 to be tested and the storage fork plate 7 are placed in the fence 6 area, and the robot 28 is placed on one side with a fork plate full of materials and on the other side with an empty fork plate; the test equipment is started, the industrial computer 4 sets the test parameters, and the industrial computer 4 system automatically calls the EMS library; the robot 28 moves to the top of the fork plate 7 of the compressor 8 to be tested; the industrial camera 29 takes a picture to locate the materials of the compressor 8, and the robot 28 moves to the compressor 8 to be tested, and the three-claw finger cylinder 30 drives the L-shaped clamp 31 to clamp the compressor 8; the robot 28 moves to align the installation feet of the compressor 8 with the positioning column 10 on the rotating disk 27 to complete the placement and fixation of the compressor (the robot continues to move to the empty positioning column 10); step The stepper motor 32 drives the rotating disk 27 to rotate according to the angle; the barcode scanner 14 scans the compressor barcode and uploads it to the industrial control computer 4 system simultaneously, and the visual infrared camera 15 performs an appearance inspection (scratches, deformation, damage, etc.) on the appearance and label of the compressor and uploads it to the industrial control computer 4 system simultaneously; the stepper motor 32 drives the rotating disk 27 to rotate according to the angle; the servo motor 16 drives the rotating bracket 17 and the laser infrared scanning module 18 to rotate 360°, so as to realize comprehensive scanning and modeling of the compressor, and upload it to the industrial control computer 4 system simultaneously; the barcode scanner 14 scans the compressor barcode and uploads it to the industrial control computer 4 system simultaneously, and then the system retrieves the corresponding barcode compression in MES The machine drawing is used to automatically compare the size and structure, and automatically judge abnormalities; the stepper motor 32 drives the rotating disk 27 to drive the rotating platform 9 to rotate according to the angle; the cylinder 19 drives the platform support plate 20, the solenoid valve, the flow meter, the pressure module 21, the linear bearing 22, the positioning guide rod 23, the buffer spring 24, the air intake and exhaust interface and the vibration sensor 25 to press down, and the air intake and exhaust interface, the power interface and the vibration sensor 25 contact the compressor (air inlet, exhaust port, terminal), and then the positioning guide rod 23 presses the air intake and exhaust interface along the linear bearing 22 according to the force of the buffer spring 24, and prevents the compressor 8 from being damaged; the system retrieves the operating parameters of the compressor 8 (voltage, current, frequency, etc.) according to the barcode model scanned by the barcode scanner 14 Start the compressor, and the vibration sensor 25 in the air intake and exhaust interface monitors the compressor vibration in real time, and the noise sensor 26 monitors the operating noise in real time. The solenoid valve, flow meter, and pressure module 21 cut off the air flow according to the test requirements, and test the compressor intake volume, exhaust volume, stall pressure, and operating pressure. According to the requirements of the MES drawings in the system, a comprehensive test is carried out and the test results are automatically compared; the stepper motor 32 drives the rotating disk 27 to drive the rotating platform 9 to rotate according to the angle; the robot 28 moves the qualified compressor 8 that has completed the test to the fork plate 7, and the unqualified products are placed on the ground and an alarm is sounded; it is uploaded to the industrial control computer 4 at the same time, and all action information will be uploaded to the MES for archiving through the industrial control computer 4; this cycle continues.

[0124] The testing equipment of the present invention adopts a universal design, is suitable for testing multiple functions, adopts a one-flow automatic intelligent testing platform, adopts positioning column design and installation, robot vision guided transportation, intelligent testing and automatic comparison with gallery, intelligent quality judgment, and can record relevant data and upload them to the computer system.

[0125] like Fig.16 As shown, the present invention provides a testing method, which uses a testing device to test a compressor, and the method includes the following steps:

[0126] Step S1, placing the compressor and the fork plate in the designated area, then starting the test equipment, and setting parameters through the industrial computer;

[0127] Step S2: using a robot to place the compressor on the first inspection station of the rotating platform to complete barcode scanning and appearance inspection;

[0128] Step S3: After the inspection at the first inspection station is completed, the rotating platform drives the compressor to move to the second inspection station, so as to perform a 360° comprehensive scan and modeling of the compressor and then complete the inspection of basic parameters through system comparison drawings;

[0129] Step S4: After completing the detection of basic parameters, the rotating platform drives the compressor to move to the third detection station to perform a comprehensive detection of the operating parameters of the compressor, such as power, pressure noise, jitter, etc.

[0130] When all tests are qualified, the qualified indicator light will light up, and if they are unqualified, an alarm will be sounded;

[0131] When the qualified indicator light is on, the robot moves the compressor to the qualified fork plate. When the unqualified alarm sounds, the robot moves the compressor to the unqualified area.

[0132] The test data is bound and uploaded to the MES manufacturing execution system in a cycle.

[0133] First of all, it should be explained here that “inward” refers to the direction toward the center of the accommodating space, and “outward” refers to the direction away from the center of the accommodating space.

[0134] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate directions or positional relationships based on the attached Fig.12The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0135] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0136] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0137] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0138] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0139] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A testing device, characterized in that: Used to perform intelligent automatic testing on the device under test, the testing device comprises: Main frame; A rotating platform is arranged in the main frame and is used to drive the device to be tested placed thereon to rotate circumferentially to complete various tests in sequence; A robot is arranged beside the main frame and connected to the rotating platform material conveyor for realizing automatic loading and unloading of the equipment to be tested; The first inspection station, the second inspection station and the third inspection station are sequentially arranged along the circumference of the rotating platform to respectively complete the test of the appearance, basic parameters and operating parameters of the device to be tested; An industrial computer is installed on the main frame, and the industrial computer is connected to the first detection station, the second detection station and the third detection station via wireless signals.

2. The test device according to claim 1, characterized in that The first inspection station includes a camera scanner mounting bracket, a barcode scanner, and a visual infrared camera; wherein: The camera scanner gun mounting bracket is vertically arranged beside the rotating platform; The barcode scanner is fixed in the middle of the camera scanner mounting bracket; The visual infrared camera is mounted on the top of the camera scanner mounting bracket.

3. The testing device according to claim 1, characterized in that The second detection station includes a rotating arm mounting bracket, a servo motor, a rotating bracket, and a laser infrared scanning module; wherein: The rotating arm mounting bracket is vertically arranged beside the rotating platform; The servo motor is mounted on the top of the rotating arm mounting bracket; The rotating bracket is an L-shaped structure, and the first free arm is connected to the driving shaft of the servo motor; The laser infrared scanning module is fixed on the second free arm of the rotating bracket.

4. The testing device according to claim 1, characterized in that The third detection station includes a lower pressure plate mounting bracket, a stall detection module, a noise detection module and a vibration detection module; wherein: The lower pressure plate mounting bracket is vertically arranged beside the rotating platform; The stall detection module is mounted on the top of the lower pressure plate mounting bracket; The vibration detection module is installed on the stall detection module; The noise detection module is installed at the lower part of the lower pressing plate mounting bracket.

5. The testing device according to claim 4, characterized in that The stall detection module includes a lifting drive source, a fixing mechanism, an air intake and exhaust interface, a power supply interface, and a detection element; wherein: The lifting drive source is fixed on the lower pressing plate mounting bracket; The fixing mechanism is connected to the output end of the lifting drive source; The air intake and exhaust interface and the power supply interface are fixed on the fixing mechanism; The vibration detection module is installed on the air intake and exhaust interface; The detection element is arranged on the fixing mechanism and connected to the air intake and exhaust interface and the power supply interface.

6. The testing device according to claim 5, characterized in that The fixing mechanism includes a fixing plate, a buffer plate, a positioning guide rod, and a buffer spring; wherein: The fixing plate is connected to the output end of the lifting drive source; One end of the positioning guide rod is fixed to the buffer plate, and the other end slides through the fixing plate; The buffer spring is sleeved on the positioning guide rod located between the fixing plate and the buffer plate.

7. The testing device according to claim 1, characterized in that A plurality of positioning mechanisms are evenly arranged on the rotating platform along the circumferential direction.

8. The testing device according to claim 1, characterized in that Protective fences are respectively arranged on both sides of the main frame and beside the robot.

9. The testing device according to claim 7, characterized in that Each group of the positioning mechanisms includes positioning columns arranged in a triangle.

10. A testing method, characterized in that: A compressor is tested using the testing device as described in any one of claims 1 to 9, the method comprising the following steps: Start the test equipment and set parameters through the industrial computer; Use a robot to place the compressor on the first inspection station of the rotating platform to complete barcode scanning and appearance inspection; After completing the inspection at the first inspection station, the rotating platform drives the compressor to move to the second inspection station to conduct a 360° comprehensive scan and modeling of the compressor and complete the inspection of basic parameters through system comparison drawings; After completing the detection of basic parameters, the rotating platform drives the compressor to move to the third detection station to detect the operating parameters of the compressor.

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