Air conditioner label image detection device

By combining a CCD detection system and a conveying device, the problem of low efficiency in manual inspection of air conditioner labels is solved, realizing automated, fast, and accurate inspection of air conditioner labels, which is suitable for air conditioner production lines of various sizes.

CN223727702UActive Publication Date: 2025-12-26SICHUAN YOUJINGTE AUTOMATION EQUIPMENT CO LTD
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Patent Information

Application Number
CN202423276163.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-26
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Current air conditioner label inspection relies on manual operation, which is inefficient and prone to errors, and cannot meet the high-efficiency and accurate requirements of modern air conditioner production lines.

Method used

By employing a CCD detection system and conveying device, combined with a fine-tuning mechanism and an industrial control integrated machine, automated image detection of air conditioner labels is achieved. The CCD camera performs precise identification and adjustment, and the system is equipped with a lens assembly and an autofocus module to improve detection efficiency and accuracy.

Benefits of technology

It enables rapid and accurate detection of air conditioner labels, reduces labor costs, improves production efficiency and detection accuracy, and is suitable for air conditioner production lines of various sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air conditioner label image detection device, which is used for detecting an air conditioner label in an image detection mode, and comprises a conveying device used for conveying a workpiece for detection; the CCD detection system is used for carrying out image detection on the workpieces, and the CCD detection system is arranged above the conveying device; the CCD detection system comprises a detection frame and a CCD camera, the CCD camera is connected with the detection frame through a fine adjustment mechanism, a lens assembly is arranged on the CCD camera, and the lens assembly is used for recognizing a workpiece; the position of the CCD camera is accurately adjusted through the fine adjustment mechanism. The CCD camera is arranged to detect the workpiece, and the industrial camera is used for replacing human eyes for recognition, so that the detection accuracy can be improved; and the CCD camera is provided with a lens assembly, so that the focusing position and effect of light can be accurately controlled, and the definition and accuracy of imaging are ensured.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to air conditioner label detection device technical field, especially relate to a kind of air conditioner label image detection device. BACKGROUND

[0002] Air conditioner, air conditioner, is a kind of device that can adjust the inside air temperature, humidity, cleanliness, air velocity of house, cabin, ship cabin, carriage etc., so as to achieve certain requirements. With the increasing attention of people to air quality, air conditioner will pay more attention to the development of health function, such as increasing air purification, sterilization and other functions. As an indispensable appliance in modern family life, especially in the face of climate change, its basic demand is still strong and stable. At present, air conditioner industry is in the transition period, from incremental market to inventory market. Consumers' demand for air conditioner is no longer just satisfied with the basic refrigeration and heating function, but pay more attention to environmental protection and energy saving, function upgrade, comfortable air supply and intelligent control and other aspects. Technology innovation plays a key role in this process. For example, Midea has made major technological breakthroughs in compressor, electronic expansion valve and other fields. These innovations help improve the energy efficiency of air conditioner products, reduce noise, and improve the comfort and energy efficiency of products. In addition, market competition is becoming increasingly fierce, and major brands are increasing R&D investment to launch new products with differentiated competitive advantages. At the same time, channel reform is also intensifying, and sinking channels and emerging e-commerce channels have caused a great impact on traditional distribution channels.

[0003] Air conditioner outdoor unit will generally have air conditioner outdoor unit nameplate, trademark, color bar and other eye-catching signs on the air conditioner outdoor unit before leaving the factory. On the existing production line, the detection of air conditioner outdoor unit label needs to be completed by manual work. Manual work is prone to visual fatigue in the process of long-term repetitive work, resulting in missed or wrong labeling, causing unqualified products, and causing unnecessary losses. UTILITY MODEL CONTENT

[0004] The purpose of the present application is to provide an air conditioner label image detection device to improve the existing air conditioner label image detection method, which needs to be detected by manual work, is prone to errors, and has low detection efficiency.

[0005] The utility model discloses a technical scheme as follows: An air conditioner label image detection device is used for detecting air conditioner labels through image detection mode, the image detection device includes: a conveying device for conveying workpieces for detection, the starting end of the conveying device is connected with a workpiece production line, the workpiece is conveyed to the starting end of the conveying device through the workpiece production line, a CCD detection system is used for image detection of the workpiece, and the CCD detection system is arranged above the conveying device, the CCD detection system includes a detection frame and a CCD camera, the CCD camera is connected with the detection frame through a fine adjustment mechanism, a lens assembly is arranged on the CCD camera, and the lens assembly is used for identifying the workpiece, and the CCD camera is accurately positioned through the fine adjustment mechanism.

[0006] Due to the arrangement of the above structure, the air conditioner label can be quickly and accurately detected, the detection efficiency and accuracy are greatly improved, the labor cost and quality risk are reduced, and the device also has the advantages of simple structure and easy maintenance, and is suitable for air conditioner production lines of various scales.

[0007] Further, in order to accurately position the CCD camera, the fine adjustment mechanism includes a knob and a driving assembly, the driving assembly includes a gear and a rack, the rack is arranged on the gear, and the knob drives the gear and the rack to move to position the CCD camera through rotation.

[0008] Further, in order to make the detection process more automatic and intelligent, the image detection device further includes an industrial personal computer, and the industrial personal computer is independently arranged with the conveying device; the industrial personal computer is used for controlling the image detection device.

[0009] Further, in order to accurately detect the conveying position of the workpiece, a sensor is arranged on the conveying device, the sensor is installed on the side of the conveying device close to the industrial personal computer, and the sensor is used for detecting the position of the workpiece on the conveying device.

[0010] Further, in order to monitor the detection process in real time, the industrial personal computer is provided with a support, a display screen is arranged on the support, the display screen is used for displaying detection information, and the CCD detection system is connected with the support.

[0011] Further, in order to efficiently and intelligently coordinate the entire detection process, the industrial personal computer includes a box body and a control wiring, the control wiring is arranged in the box body, and the control wiring is used for connecting other devices to collect and process data.

[0012] It should be noted that the control wiring plays a crucial role in industrial automation. The industrial personal computer is connected with other devices and systems through its control wiring to realize data collection, processing and control, and ensure the stability and efficiency of the production process.

[0013] Further, in order to better connect the components of the drive assembly, the drive assembly further comprises a support rod, the drive assembly is arranged on the support rod, and the knob is connected with the support rod through the drive assembly.

[0014] Further, in order to accurately adjust the position of the CCD camera, a scale is arranged on the support rod, and the scale is used to provide accurate scales for the drive assembly and the knob.

[0015] Further, in order to automatically focus the CCD camera, the lens assembly adjusts the focal length of the CCD camera.

[0016] Further, in order to transmit the detected image information in real time, the CCD camera is connected with the industrial computer through an electrical signal, and the image captured by the CCD camera is transmitted to the industrial computer through the electrical signal for display.

[0017] In summary, due to the adoption of the above technical scheme, the beneficial effects of the present application are:

[0018] 1. The workpiece is directly conveyed from the production line to the detection device below for detection through the conveying device, which can improve the efficiency of air conditioner production; the CCD camera is arranged to detect the workpiece, and the industrial camera is used to replace the human eye for identification, which can improve the detection accuracy; and the CCD camera is provided with a lens assembly, which can accurately control the focusing position and effect of light, thereby ensuring the clarity and accuracy of imaging.

[0019] 2. The CCD detection system adjusts the position of the CCD camera through the knob and the drive assembly with high precision, and is provided with a scale, which facilitates more accurate fine adjustment, thereby improving the convenience and accuracy of the image detection device. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0021] Figure 1 It is a schematic diagram of the overall structure of the device of the present application;

[0022] Figure 2 It is a schematic diagram of the connection between the CCD detection system and the detection frame of the present application;

[0023] Figure 3 It is a schematic diagram of the structure of the CCD detection system of the present application;

[0024] Figure 4 is a schematic diagram of the inductor of the utility model;

[0025] Figure 5 is a schematic diagram of the industrial computer all-in-one machine of the utility model;

[0026] Figure 6 is a schematic diagram of the inside of the industrial computer all-in-one machine of the utility model;

[0027] Reference signs: 1, conveying device; 2, industrial computer all-in-one machine; 3, CCD detection system; 4, alarm lamp; 5, detection rack;

[0028] 111, workpiece;

[0029] 101, inductor;

[0030] 201, box body; 202, control wiring; 203, display screen; 204, support; 205, roller;

[0031] 301, CCD camera; 302, lens assembly; 303, fine adjustment mechanism; 304, support rod;

[0032] 311, knob; 322, driving assembly. DETAILED DESCRIPTION

[0033] The utility model will be described in detail below in combination with the drawings.

[0034] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model will be described in further detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and are not used to limit the utility model.

[0035] Due to the increase in the use of air conditioners, the production quantity of air conditioners has increased dramatically, so the production of air conditioners needs to be accelerated. In the detection of air conditioners, air conditioner labels (such as nameplates, trademarks and color bars, etc.) need to be completed manually, which is relatively slow and has a low accuracy. Therefore, an air conditioner label image detection device is proposed to detect air conditioner labels.

[0036] As shown in Figure 1 The technical scheme is as follows: an air conditioner label image detection device is used to detect air conditioner labels by image detection. The conveying device 1 transmits the workpiece 111 from the production line to the detection device position, and the CCD detection system 3 detects the image of the workpiece 111. The industrial camera is used to replace the human eye for recognition, which can improve the efficiency and accuracy of detection, thereby improving the work efficiency.

[0037] The CCD inspection system 3 is positioned above the conveying device 1. The CCD inspection system 3 includes an inspection frame 5 and a CCD camera 301. The CCD camera 301 is connected to the inspection frame 5 via a fine-tuning mechanism 303, and the CCD camera 301 is equipped with a lens assembly 302. The lens assembly 302 is used to identify the workpiece 111. The CCD camera 301 is precisely positioned via the fine-tuning mechanism 303.

[0038] CCD (Charge-Coupled Device) cameras, as inspection devices, offer significant advantages in modern automated production lines and precision inspection fields. Firstly, the CCD camera 301 boasts high precision, capturing high-resolution images to detect minute defects and meet stringent requirements. Secondly, the CCD camera 301 features rapid image capture, acquiring images in a very short time. Combined with efficient image processing algorithms, the CCD inspection system 3 enables rapid product inspection, improving production efficiency. Since the CCD camera 301 inspection system is software-controlled, it can be programmed to adapt to different types of products and inspection needs. This allows a single CCD inspection system 3 to be applied to multiple products, reducing production costs and the frequency of equipment replacement. Notably, CCD vision inspection can operate stably for extended periods, allowing for highly repetitive tasks and reducing the need for manual inspection. Furthermore, machine vision inspection offers higher accuracy and consistency compared to manual inspection, avoiding false positives and false negatives caused by human factors.

[0039] Example 1

[0040] like Figures 1-3 As shown, one embodiment of this utility model is an air conditioner label image detection device for rapid and accurate detection of air conditioner labels. This device detects air conditioner labels using an image detection method, and includes:

[0041] The conveying device 1 is used to convey air conditioners for testing. The starting end of the conveying device 1 is connected to the air conditioner production line. The air conditioner is conveyed to the starting end of the conveying device 1 through the air conditioner production line and then moves forward along the conveying device 1 until the entire testing process is completed.

[0042] The CCD detection system 3 is arranged above the conveying device 1 to take pictures and identify the passing air conditioner label, and the CCD detection system 3 comprises a detection frame 5 and a CCD camera 301, the detection frame 5 is used for mounting and fixing the CCD camera 301 and other related components, the CCD camera 301 is connected with the detection frame 5 through a fine adjustment mechanism 303, and a lens assembly 302 is arranged on the CCD camera 301, and the lens assembly 302 is used for identifying and taking pictures of the air conditioner label; and the CCD camera 301 is accurately adjusted in position through the fine adjustment mechanism 303.

[0043] The fine adjustment mechanism 303 comprises a knob 311 and a driving assembly 322, the driving assembly 322 comprises a gear and a rack, the rack is arranged on the gear, and the knob 311 drives the gear and the rack to move through rotation to adjust the position of the CCD camera 301.

[0044] The specific working process is as follows: the air conditioner is conveyed to the starting end of the conveying device 1 through the air conditioner production line; the air conditioner moves forward along the conveying device 1 until entering the shooting range of the CCD detection system 3, the label on the air conditioner is shot by the CCD camera 301 through the lens assembly 302; the label image obtained by shooting is transmitted to an image processing system (not shown in the figure) for identification and analysis; the image processing system judges the label image according to the preset detection standard, if the label meets the standard, the air conditioner continues to move forward; if the label does not meet the standard, an alarm signal is sent, and the operation of the conveying device 1 is stopped; the operator processes the air conditioner that does not meet the standard according to the alarm signal, so that the detection is completed.

[0045] Embodiment 2

[0046] As Figure 4 shown, another embodiment of the utility model is that the image detection device further comprises an industrial computer 2, the industrial computer 2 is independently arranged with the conveying device 1;The industrial computer 2 is used to control the image detection device, and is responsible for receiving data from the conveying device 1 and the CCD detection system 3, carries out real-time processing and analysis, and sends control instructions according to the analysis result, realizes intelligent control to the whole detection device. The industrial computer 2 is built-in control software, and the software can automatically identify and process the image data from the CCD detection system 3, judges the accuracy and integrity of the label. Meanwhile, it can also adjust the running speed of the conveying device 1, the shooting frequency of the CCD detection system 3 and other parameters according to the actual situation of the production line, to ensure the smoothness and efficiency of the detection process.

[0047] The industrial computer 2 comprises a box body 201 and a control wiring 202, the control wiring 202 is arranged inside the box body 201, and the control wiring 202 is used for connecting with other devices to collect and process data.

[0048] In order to realize better cooperation with the industrial computer 2, the conveying device 1 is provided with an inductor 101, the inductor 101 is installed on the conveying device 1 close to the industrial computer 2, and the inductor 101 is used for detecting the position of the workpiece 111 on the conveying device 1, so that the workpiece 111 can be detected in the correct position. When the workpiece 111 is conveyed to the position where the inductor 101 is located, the inductor 101 will immediately send a signal to the industrial computer 2. After receiving the signal, the industrial computer 2 will immediately start the CCD detection system 3 to shoot and identify the workpiece 111. At the same time, it will also adjust the shooting angle and focal length of the CCD camera 301 according to the position information of the workpiece 111, so as to ensure that the shot image is clear and accurate.

[0049] The specific working process is as follows: the air conditioner is conveyed to the starting end of the conveying device 1 through the air conditioner production line, the air conditioner moves forward along the conveying device 1 until it is detected by the inductor 101; the inductor 101 sends a signal to the industrial computer 2, and the industrial computer 2 starts the CCD detection system 3 after receiving the signal; the CCD detection system 3 shoots and identifies the label on the air conditioner, and transmits the shot image data to the industrial computer 2, the industrial computer 2 processes and analyzes the image data to judge the accuracy and integrity of the label; according to the analysis result, the industrial computer 2 sends a control instruction to adjust the running speed of the conveying device 1 or stop the running of the conveying device 1 (if the label does not meet the standard), and the operator processes the air conditioner that does not meet the standard according to the instruction of the industrial computer 2, so as to complete the detection.

[0050] Embodiment 3

[0051] As Figure 5 shown, another embodiment of the utility model is that the industrial computer 2 is provided with a support 204, the support 204 is provided with a display screen 203, the display screen 203 is used for displaying detection information, and the CCD detection system 3 is connected with the support 204 through a detection frame 5; the CCD detection system 3 is arranged on the industrial computer 2 through the support 204.

[0052] The display screen 203 is connected with the industrial computer 2 through the support 204, and is used for displaying detection information in real time, such as the position of the workpiece 111, the identification result of the label, the detection state and the like.

[0053] The working process is as follows: the CCD detection system 3 photographs and recognizes the label on the air conditioner, and transmits the photographed image data to the industrial personal computer 2; the industrial personal computer 2 processes and analyzes the image data, judges the accuracy and integrity of the label, and displays the detection result on the display screen 203; the operator views the detection information in real time through the display screen 203, and makes corresponding processing according to needs, such as stopping the conveying device 1, marking unqualified air conditioners and the like; after detection is completed, the industrial personal computer 2 automatically records the detection result and generates a report, so as to facilitate subsequent analysis and improvement.

[0054] Embodiment 4

[0055] As Figure 3 shown, another embodiment of the utility model is, in order to ensure that the CCD detection system 3 can accurately aim at the label and photograph clear image, the drive assembly 322 still includes support rod 304, the drive assembly 322 is arranged on support rod 304, the knob 311 is connected with support rod 304 through drive assembly 322. The support rod 304 is equipped with a scale, and the scale is used to provide accurate scale for the drive assembly 322 and the knob 311. By adding support rod 304 and scale, the accurate control of the position adjustment of the CCD detection system 3 is realized, so as to improve the detection precision and stability.

[0056] The operator adjusts the position of the CCD camera 301 on the support rod 304 through the accurate cooperation of the knob 311 and the scale according to the position and size of the label to be detected, to ensure that the camera can accurately aim at the label. The rotation of the knob 311 drives the gear and rack inside the drive assembly 322 to move, and then pushes the CCD camera 301 to move to the required position on the support rod 304; the operator can accurately adjust the position of the CCD camera 301 according to the reading on the scale to meet the detection needs of different workpieces 111 and labels.

[0057] Embodiment 5

[0058] As Figure 3 shown, another embodiment of the utility model is that the lens assembly 302 adjusts the focal length through the CCD camera 301. An automatic focusing module is integrated inside the lens assembly 302, which can automatically adjust the focal length of the lens according to the image information captured by the CCD camera 301 to ensure that the image is clear and distortion-free.

[0059] When the workpiece 111 is conveyed to the detection position, the CCD camera 301 captures the image information of the label. The information is then transmitted to the automatic focusing module for processing. The automatic focusing module automatically calculates the best focal length value according to the edge information, contrast and other parameters in the image, and adjusts the focal length of the lens through the internal drive mechanism. The whole process is fast and accurate without manual intervention.

[0060] The air conditioner label image detection device with autofocus function in this embodiment not only achieves automatic focus adjustment but also improves detection efficiency and accuracy. Furthermore, the device is simple in structure and easy to maintain, making it suitable for air conditioner production lines of various sizes. In addition, the introduction of autofocus function reduces the workload of operators and improves overall work efficiency.

[0061] Example 6

[0062] like Figure 6 As shown, based on the aforementioned embodiments, the present invention can also adopt the following configuration: in order to improve the flexibility of the industrial control all-in-one computer 2, a roller 205 is also provided below the industrial control all-in-one computer 2.

[0063] When the industrial control all-in-one computer 2 needs to be moved, the operator can easily push it to move it to the desired position along the production line or other paths. The rollers 205 have excellent rolling performance, which can reduce resistance and friction during the movement, making the movement of the industrial control all-in-one computer 2 easier and less strenuous.

[0064] Example 7

[0065] Based on the aforementioned embodiments, the present invention can also adopt the following configuration: the industrial control all-in-one computer 2 is also equipped with an alarm light 4; the image processing system judges the label image according to the preset detection standard; if the label meets the standard, the air conditioner continues to move forward; if the label does not meet the standard, the alarm light 4 issues an alarm signal and stops the operation of the conveying device 1; the operator processes the air conditioner that does not meet the standard according to the alarm signal, thereby completing the detection.

[0066] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An air conditioner label image detection device, used to detect air conditioner labels by image detection method, characterized in that, The image detection device comprises: a conveying device for conveying workpieces for detection; the conveying device is connected with a workpiece production line at a starting end, and the workpieces are conveyed to the starting end of the conveying device through the workpiece production line; a CCD detection system for image detection of the workpieces, which is arranged above the conveying device; the CCD detection system comprises a detection frame and a CCD camera, the CCD camera is connected with the detection frame through a fine adjustment mechanism, and a lens assembly is arranged on the CCD camera, the lens assembly is used for identifying the workpieces; the CCD camera is accurately adjusted in position through the fine adjustment mechanism.

2. The air conditioner label image detection apparatus according to claim 1, wherein The fine adjustment mechanism comprises a knob and a driving assembly, the driving assembly comprises a gear and a rack, and the rack is arranged on the gear; the knob drives the gear and the rack to move through rotation to adjust the position of the CCD camera.

3. The air conditioner label image detection apparatus according to claim 1, wherein The image detection device further comprises an industrial computer, which is independently arranged with the conveying device; the industrial computer is used for controlling the image detection device.

4. The air conditioner label image detection apparatus according to claim 3, wherein An inductor is arranged on the conveying device, which is arranged on the conveying device close to the industrial computer; the inductor is used for detecting the position of the workpieces on the conveying device.

5. The air-conditioning label image detection apparatus according to claim 4, wherein The industrial computer is provided with a support, and a display screen is arranged on the support; the display screen is used for displaying detection information; and the CCD detection system is connected with the support.

6. The air conditioner label image detection apparatus according to claim 3, wherein The industrial computer comprises a box body and a control wiring, the control wiring is arranged in the box body, and the control wiring is used for connecting with other devices to collect and process data.

7. The air-conditioning label image detection apparatus according to claim 2, wherein The driving assembly further comprises a support rod, the driving assembly is arranged on the support rod, and the knob is connected with the support rod through the driving assembly.

8. The air-conditioning label image detection apparatus according to claim 7, wherein A scale is arranged on the support rod, which is used for providing accurate scales for the driving assembly and the knob.

9. The air conditioner label image detection apparatus according to claim 1, wherein The lens assembly is adjusted in focal length through the CCD camera.

10. The air-conditioning label image detection apparatus according to claim 3, wherein The CCD camera is connected with the industrial computer through electrical signals, and the images captured by the CCD camera are transmitted to the industrial computer through electrical signals for display.