Cloth seam detection device of visual fusion displacement sensor

Abstract

The cloth seam detection device comprises a detection device body, the detection device body comprises a detection module, a camera module and a detection system, the detection module is arranged above the outer side end of a plaiting machine table, the camera module is arranged in the middle of the plaiting machine table, and the detection system is connected with the camera module. The detection module and the camera module are in signal communication with the detection system, a plurality of displacement sensors of the detection module abut against cloth on a cloth placing roller, the displacement sensors detect deviation of a rolling wheel to judge a seam, a first signal of the cloth seam is transmitted to the controller, and then the controller is placed above the cloth through the industrial camera. And the industrial camera is connected with the industrial personal computer, so that wrong detection and missing detection of the seam can be prevented, and after the industrial camera detects the seam, the seam is transmitted to the industrial personal computer through the Ethernet to control the relay module to stop the cloth plaiting machine. The method and the device have the effects of reducing the probability of false leakage detection and reducing the labor cost.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of detection devices, in particular to a visual fusion displacement sensor's cloth joint detection device. BACKGROUND

[0002] At present, in cloth joint detection, an industrial camera is mainly used to capture image information of cloth and convert it into a digital signal for processing, and a displacement sensor is a device for accurately measuring the position change of an object, which plays a key role in cloth joint detection. In the cloth joint detection device composed of an industrial camera and a displacement sensor, the two cooperate with each other to realize accurate detection of cloth joints.

[0003] However, most of the textile factories now manually observe cloth joints and then cut the cloth.

[0004] According to the related technology in the above, the utility model person thinks that there is a high probability of manual identification mistake, which leads to the waste of cloth. Utility model content

[0005] In order to improve the problem of high probability of manual identification mistake leading to waste of cloth, the present application provides a visual fusion displacement sensor's cloth joint detection device.

[0006] The visual fusion displacement sensor's cloth joint detection device provided by the present application adopts the following technical scheme:

[0007] A visual fusion displacement sensor's cloth joint detection device, comprising a detection device body mounted on a cloth measuring machine table, wherein the detection device body comprises a detection module, a camera module and a detection system;

[0008] The cloth measuring machine table is of an integral type and comprises a first table top and a second table top, a support frame is fixedly arranged at the outer side end of the first table top, the lower end of the L-shaped support frame is connected with the outer side end surface of the cloth measuring machine table, and the other end surface of the support frame extends upward; an angle ruler is fixedly arranged at the upper end surface of the upwardly extending support frame, the space of the angle ruler faces one side of the cloth measuring machine table, and the detection module is mounted on the inner side of the angle ruler;

[0009] The cloth measuring machine table is provided with a cloth feeding roller one, a cloth feeding roller two, a cloth feeding roller three and a cloth feeding roller four, the cloth feeding roller one is located below the detection module on the support frame, and the cloth feeding roller four is located at the connecting end of the first table top and the second table top;

[0010] A horizontal rod is arranged at the connecting end of the first table top and the second table top, a camera module is arranged at the upper part of the side surface of the horizontal rod, and the camera module is located above the second table top;

[0011] The detection module and the camera module are in signal communication with the detection system through a data line.

[0012] By adopting the above technical scheme, the cloth joint detection device of the visual fusion displacement sensor realizes high-precision real-time detection of the cloth joint through the synergistic effect of the detection module and the camera module, stable installation of the detection device by the support frame and the angle ruler structure, ensures the stability and detection accuracy of the cloth running by the multiple cloth placing rollers arranged on the first table and the second table, accurately collects displacement data by the detection module, acquires visual image data by the camera module, and transmits the data to the detection system for fusion processing, thereby effectively improving the sensitivity, precision and automation level of cloth joint detection, and being suitable for continuous production monitoring of the cloth coding machine.

[0013] Optionally, the detection module comprises a displacement sensor one, a displacement sensor two, a pressing roller one and a pressing roller two, one end of the displacement sensor one and the displacement sensor two is connected with the inner side wall of the angle ruler, the other end of the displacement sensor one is provided with the pressing roller one, the other end of the displacement sensor two is provided with the pressing roller two, and the circumferential surface of the pressing roller one and the pressing roller two is flexibly pressed on the cloth surface of the cloth placing roller one.

[0014] By adopting the above technical scheme, the detection module can realize accurate detection of the displacement state of the cloth at the cloth placing roller one by setting the displacement sensor one, the displacement sensor two and the flexible pressing roller one and the pressing roller two connected therewith, the displacement sensor is in contact with the cloth surface through the flexible pressing mode, the damage to the cloth is reduced and the detection stability is improved, the stability of the sensor installation and the accuracy of the data collection are ensured in combination with the fixing structure of the inner side wall of the angle ruler, the overall device can monitor the displacement change of the cloth surface in real time and feedback to the detection system in time, thereby realizing high-sensitivity and non-destructive detection of the joint state in the running process of the cloth, and being suitable for the continuity and efficiency requirements of industrial cloth detection.

[0015] Optionally, the camera module comprises a bracket, an industrial camera and a light source, the outer part of the closed end of the U-shaped bracket is connected with the side of the horizontal rod, the two ends of the opening position of the bracket in up-down position extend towards the opposite direction of the horizontal rod, the end of the upper end position of the bracket is provided with the industrial camera, and the end of the lower end position of the bracket is provided with the light source, the light source provides light compensation for the industrial camera.

[0016] By adopting the above technical scheme, the camera module is firmly installed with the industrial camera and the light source through the support structure, ensuring to provide clear and uniform light during the cloth detection process; the U-shaped support can effectively position the camera and the light source at a suitable height and angle, optimizing the cloth surface image acquisition quality; the industrial camera is responsible for accurately shooting the cloth surface details, and the light source provides the light supplement function to solve the problem of insufficient light, ensuring that high-quality image data can be obtained even in low-light environments, realizing efficient and accurate cloth seam visual detection, improving the stability and automatic detection capability of the system, and being suitable for continuous monitoring in complex production environments.

[0017] Optionally, the detection system comprises an industrial computer and a lower computer, the lower computer is connected to the industrial computer through a 485 bus, the industrial camera is connected to the industrial computer through an Ethernet signal, the displacement sensor one and the displacement sensor two are connected to the lower computer, and the lower computer comprises a relay module.

[0018] By adopting the above technical scheme, the detection system realizes efficient data processing and signal management through the hierarchical architecture design of the industrial computer and the lower computer; the lower computer is connected to the industrial computer through a 485 bus, ensuring stable transmission and real-time response of multi-sensor signals, and the relay module supports flexible output of control instructions; the displacement sensor is connected to the lower computer through a signal to collect cloth displacement data, and the industrial camera is connected to the industrial computer through an Ethernet to transmit high-definition image data, and the two cooperate to improve detection accuracy; the system as a whole has the ability of data fusion, accurate judgment and rapid response, and is suitable for real-time monitoring and intelligent management requirements of cloth seam detection.

[0019] Optionally, the relay module comprises an indicator light, and the relay module controls the motor of the cloth coding machine.

[0020] By adopting the above technical scheme, the relay module displays the working state through the indicator light and can control the start and stop of the motor of the cloth coding machine, ensuring real-time monitoring and automatic management of equipment operation; the indicator light provides intuitive working state feedback for the operator and timely reminds the system operation or fault condition; the control function of the relay module realizes automatic adjustment during the cloth detection process, ensures the cooperative work of the system and the mechanical equipment during the detection process, and improves the operation convenience, the safety of the system and the efficiency of the cloth production process,

[0021] Optionally, the lower computer is in electrical communication with the light source.

[0022] Optionally, the cloth releasing roller one, the cloth releasing roller two, the cloth releasing roller three and the cloth releasing roller four are arranged in parallel, the cloth releasing roller three is located above the first table, and the cloth releasing roller two is located above the connection position of the first table and the support frame.

[0023] Optionally, the first table is raised relative to the second table, and there is an included angle between the first table and the second table.

[0024] By adopting the technical scheme, the first table is raised relative to the second table and forms a certain angle, which can effectively guide the stable running of the cloth in the conveying process and reduce the displacement deviation of the cloth caused by gravity or friction in the joint detection process. The structure helps to improve the uniformity of the cloth tension, ensures that the detection device can stably and accurately capture the joint state of the cloth, and at the same time, enhances the adaptability of the cloth in the transmission process, reduces physical interference, and improves the overall performance and stability of the detection system.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] 1. The cloth joint detection device of the visual fusion displacement sensor realizes high-precision real-time detection of the cloth joint through the cooperation of the detection module and the camera module, and realizes stable installation of the detection device by using the support frame and the angle ruler structure. A plurality of cloth placing rollers arranged on the first table and the second table ensure the stability and detection accuracy of the cloth running. The detection module accurately collects displacement data, and the camera module acquires visual image data. The two are transmitted to the detection system through the data line for fusion processing, thereby effectively improving the sensitivity, accuracy and automation level of the cloth joint detection, and being suitable for continuous production monitoring of the cloth coding machine.

[0027] 2. The combination of the displacement sensor and the flexible pressure roller can accurately detect the displacement state of the cloth at the cloth placing roller, reduce the damage to the cloth, and at the same time improve the detection stability and sensitivity, realize efficient and non-destructive cloth joint detection;

[0028] 3. The camera module optimizes the layout of the industrial camera and the light source through reasonable support design, ensures that the cloth surface can obtain clear and uniform image data under various lighting conditions, effectively improves the accuracy of cloth joint visual detection, and improves the stability and automation capability of the system;

[0029] 4. Through the hierarchical architecture design of the industrial computer and the lower computer, combined with the signal transmission mode of the 485 bus and the Ethernet, the real-time processing and sensitive feedback of the multi-sensor data are realized, the fast response and accurate judgment are supported, and the real-time monitoring and intelligent management of the cloth joint are optimized;

[0030] 5. The relay module displays the equipment state in real time through the indicator light, and can control the start and stop of the cloth coding machine motor, improve the automation level of the equipment operation, and ensure the smoothness and safety of the cloth detection process;

[0031] 6. The raised structure of the first table relative to the second table helps to guide the stable running of the cloth in the transmission process, reduces the displacement deviation caused by gravity or friction, ensures the uniformity of the cloth tension, and improves the accuracy of the cloth joint detection and the overall performance of the system. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is a cloth joint detection device schematic diagram of a visual fusion displacement sensor of an embodiment of the present application.

[0033] Figure 2 is Figure 1 a detection module schematic diagram shown in the figure.

[0034] Figure 3 is a detection system schematic diagram of a cloth joint detection device of a visual fusion displacement sensor of an embodiment of the present application.

[0035] BRIEF DESCRIPTION OF DRAWINGS: 1, displacement sensor one; 2, displacement sensor two; 3, cloth feeding roller one; 31, cloth feeding roller two; 32, cloth feeding roller three; 33, cloth feeding roller four; 4, cross bar; 5, support; 6, industrial camera; 7, light source; 8, cloth; 9, pressing roller one; 10, pressing roller two; 11, cloth coding machine table; 110, support frame; 111, angle ruler; 112, first table top; 113, second table top; 12, detection module; 13, camera module; 14, detection system; 141, data line; 90, detection device body. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings Figures 1-3 The present application will be further described in detail.

[0037] An embodiment of the present application discloses a cloth joint detection device of a visual fusion displacement sensor. Referring to Figure 1 , including the detection device body 90 installed on the cloth coding machine table 11, the detection device body 90 includes the detection module 12, the camera module 13 and the detection system 14;

[0038] The whole code cloth machine platform 11 includes a first table top 112 and a second table top 113, the outer side end of the first table top 112 is fixedly provided with a support frame 110, the lower right-angled end face of the L-shaped support frame 110 is connected with the outer side end face of the code cloth machine platform 11, and the other end face of the support frame 110 extends upwards; an angle ruler 111 is fixedly arranged on the upper end face of the upwardly extending support frame 110, the space of the angle ruler 111 faces one side of the code cloth machine platform 11, and a detection module 12 is arranged on the inner side of the angle ruler 111; the code cloth machine platform 11 is provided with a cloth placing roller one 3, a cloth placing roller two 31, a cloth placing roller three 32 and a cloth placing roller four 33, the cloth placing roller one 3 is located at the lower end of the detection module 12 on the support frame 110, and the cloth placing roller four 33 is located at the connecting end of the first table top 112 and the second table top 113; a horizontal rod 4 is arranged at the connecting end of the first table top 112 and the second table top 113, a camera module 13 is arranged on the upper side of the horizontal rod 4, and the camera module 13 is located above the second table top 113; the detection module 12 and the camera module 13 are in signal communication with a detection system 14 through a data line 141; by reasonably integrating the detection module and the camera module on the code cloth machine platform, combining the real-time data acquisition of the displacement sensor and the industrial camera, the system can efficiently and accurately detect the seam condition of the cloth surface, the detection module 12 can capture the cloth displacement and seam details, the camera module 13 is responsible for providing a clear cloth image, the precision of the cloth seam detection is improved, the overall structure of the code cloth machine platform 11 includes the L-shaped support frame and the angle ruler, the detection module 12 is more stable in installation, the vibration interference on the sensor signal is reduced, the stability in long-term operation is ensured, the support frame enables the detection module 12 to accurately track the dynamic changes of the cloth, the data of the camera module 13 and the detection module 12 are connected with the detection system 14 through a signal line, so that the image acquisition and displacement data can be transmitted to the detection system in real time, efficient data fusion and intelligent judgment are realized, the whole system is controlled by a computer, the automation level in the cloth detection process is improved, the monitoring and management of the production line are optimized, the camera module 13 is supported by the horizontal rod, the stability of the camera and the light source position is ensured, and uniform illumination is provided, the influence of the low-light environment on image acquisition is solved, the light source effectively supplements the cloth surface illumination, ensures that the system can still acquire clear and accurate image data even under complex illumination conditions, and the robustness of visual detection is improved; the industrial camera 6 is a gray-scale camera, in the same environment, the brightness of the cloth of different colors and thicknesses shot by the industrial camera 6 is different, in order to more clearly identify the cloth seam, a controllable light source 7 is arranged below the industrial camera 6, when the industrial camera 6 shoots the detected target surface, the current bright and dark condition is analyzed, and the light source 7 is controlled to adjust the bright and dark according to the bright and dark, when the cloth passes through the displacement sensor one 1 and the displacement sensor two 2, the protrusion of the seam will make the rollers of the sensors deviate upward, the signal is transmitted to the industrial computer through the lower computer, and the industrial computer transmits a first signal to the industrial camera to prepare to detect the seam;

[0039] The industrial camera 6 is installed on the horizontal rod 4, and the position of the camera is adjusted by the support 5 to ensure that the position of the camera 6 is fixed to the target surface. The industrial camera 6 transmits the detected cloth photo information to the industrial computer through the high-speed capture capability of the camera. The industrial computer is provided with cloth joint software based on artificial intelligence. After the cloth joint is detected through the joint recognition algorithm, the industrial computer controls the relay module, and the relay module acts to stop the motor of the cloth coding machine, thereby facilitating the subsequent automatic cutting program.

[0040] Referring to Figure 2 The detection module 12 includes displacement sensor one 1, displacement sensor two 2, and pressing roller one 9 and pressing roller two 10. One end of the displacement sensor one 1 and the displacement sensor two 2 are connected with the inner side wall of the angle ruler 111. The other end of the displacement sensor one 1 is provided with the pressing roller one 9, and the other end of the displacement sensor two 2 is provided with the pressing roller two 10. The circumferential surface of the pressing roller one 9 and the pressing roller two 10 are flexibly pressed on the surface of the cloth 8 displaced by the cloth roller one 3. When the displacement sensor one 1 and the displacement sensor two 2 contact the joint, the pressing roller one 9 and the pressing roller two 10 will be offset upward. When there is no joint, the rollers will not be offset normally. Whether there is a joint is judged according to the signal transmitted when the rollers are offset, and the signal is transmitted to the industrial computer.

[0041] The camera module 13 includes the support 5, the industrial camera 6, and the light source 7. The closed end of the U-shaped support 5 is connected with the side of the horizontal rod 4. The two ends of the opening of the support 5 in the up-down position extend in the opposite direction of the horizontal rod 4. The industrial camera 6 is arranged at the end of the upper end of the support 5, and the light source 7 is arranged at the end of the lower end of the support 5. The light source 7 provides light compensation for the industrial camera 6. The industrial camera 6 is fixed at a suitable height and angle through the U-shaped support 5. In combination with the light compensation function of the light source 7, the problem of insufficient or uneven ambient light is effectively solved, and the clarity and consistency of the image acquisition of the cloth surface are ensured. The light source 7 is arranged at the lower end of the support 5 and forms a coordinated layout with the industrial camera 6 in the up-down direction, thereby providing uniform light compensation for the cloth surface and the camera, avoiding the interference of shadows and highlight areas on image recognition, improving the visual detection capability of the camera module on the joint, and enabling the industrial camera 6 to quickly capture the details of the cloth joint in a low-light or high-speed detection environment, thereby improving the real-time performance and detection efficiency of the detection system and being suitable for the efficient detection needs of a continuous production line.

[0042] Referring to Figure 3The detection system 14 includes an industrial computer and a lower computer, the lower computer accesses the industrial computer through a 485 bus, the industrial camera 6 is connected to the industrial computer through an Ethernet signal, the displacement sensor one 1 and the displacement sensor two 2 are connected to the lower computer, the lower computer includes a relay module, the relay module includes an indicator light, and the relay module controls the motor of the cloth coding machine to work, the lower computer is in electrical communication with the light source 7, the detection system 14 adopts a hierarchical architecture design of the industrial computer and the lower computer, the lower computer accesses the industrial computer through the 485 bus, ensuring stable transmission of multi-sensor data and industrial camera image signals, while realizing efficient data processing and management, the displacement sensor one 1 and the displacement sensor two 2 are connected to the lower computer, through accurate displacement data acquisition, combined with high-definition image acquisition of the industrial camera 6, a multi-dimensional collaborative monitoring system is formed, the accuracy of the cloth seam detection is improved, the industrial camera 6 accesses the industrial computer through the Ethernet signal, realizing fast transmission of high-definition images, supporting high-resolution monitoring of the surface state of the cloth, the lower computer is in electrical communication with the light source 7, and automatic control and real-time adjustment of the light source can be realized, ensuring uniform light in the detection area and improving the detection performance in low light environment, the relay module controls the motor of the cloth coding machine to work, so that the detection system 14 can directly start and stop the adjustment of the motor of the cloth coding machine, forming an automatic closed-loop control of cloth detection and conveying, improving production efficiency and system integration, the detection system 14 uses displacement sensors and industrial cameras in combination to collect displacement data and seam images of the cloth in real time, intelligently judges and feeds back, realizes high-sensitivity and non-destructive cloth detection, the industrial computer receives the seam signal transmitted by the lower computer as the first signal of the seam arrival, the cloth photo taken by the industrial camera 6 is transmitted to the industrial computer, the industrial computer obtains the second signal of whether the cloth seam is received through the cloth seam detection visual algorithm, if the first and second signals are received at the same time, it is considered that it is a real cloth seam signal, the industrial computer controls the light source and the relay module according to the signal to realize subsequent functions, eliminating the false measurement of using displacement sensors or industrial cameras alone, through the combination of the two algorithms, the phenomenon of false measurement can be effectively avoided, and the recognition accuracy is improved.

[0043] The implementation principle of the cloth joint detection device of the visual fusion displacement sensor embodiment of the present application is: by reasonably integrating the displacement sensor and the industrial camera on the cloth counting machine table, and combining real-time data acquisition and intelligent algorithm, the system can efficiently and accurately detect the cloth surface joint, avoiding the misjudgment problem in the traditional detection method. First, the detection device body includes a detection module, a camera module and a detection system installed on the cloth counting machine table. The cloth counting machine table as a whole adopts an L-shaped support frame and an angle ruler structure, so that the detection module is stably installed, vibration interference is reduced, and the stability of the sensor signal is ensured. The detection module is combined with the flexible pressing roller one 9 and the pressing roller two 10 through the displacement sensor one 1 and the displacement sensor two 2, and the dynamic change of the cloth surface is monitored in real time. When the protrusion at the joint touches the roller, the displacement sensor will be offset upwards and transmit the signal to the industrial computer. Combined with the image acquisition function of the industrial camera 6, the industrial camera 6 obtains a clear image of the cloth surface through high-speed shooting, and ensures the image acquisition accuracy in a low-light environment through the light source 7. The light source and the industrial camera are fixed through the U-shaped support 5 to provide uniform illumination, avoiding image blur or misidentification caused by insufficient or uneven illumination. The system transmits data and processes signals through the industrial computer and the lower computer. The lower computer receives data from the displacement sensor and the industrial camera, and transmits the data to the industrial computer through the 485 bus. The industrial computer uses an artificial intelligence-based algorithm to identify the cloth image joint, and judges in real time whether there is a joint. When receiving the double signals of the displacement sensor and the industrial camera, the system confirms the existence of the joint, and stops the motor of the cloth counting machine through the control relay module, so that the subsequent automatic cutting program can be smoothly carried out. The whole system is controlled by a computer, and the displacement sensor and the industrial camera are monitored in multiple dimensions. Not only does it improve the accuracy of cloth joint detection, but also realizes the automation of the production line, reduces manual intervention, optimizes production efficiency, and dynamically adjusts detection parameters, controls light sources and adjusts cloth movement speed through intelligent feedback and automatic control, ensuring efficient operation under different environmental conditions, thereby meeting the high requirements of high-speed production lines on detection accuracy, real-time performance and stability.

[0044] The technical advantages of the cloth joint detection device of the visual fusion displacement sensor embodiment of the present application are:

[0045] 1. High-precision detection: by combining the displacement sensor with the industrial camera, the system can achieve high-precision detection at the cloth surface joint, reducing errors in traditional methods and ensuring the accuracy of joint identification.

[0046] 2. Strong real-time performance: real-time acquisition of cloth displacement data and image information, through fast signal transmission and data processing, timely identification of cloth joints, improving detection efficiency, especially suitable for high-speed production lines.

[0047] 3. Robustness: The combination of industrial cameras and supplementary light sources ensures clear image acquisition of the fabric surface in low light or complex lighting environments, overcoming the recognition problems caused by insufficient light in traditional visual detection and improving the robustness of the system.

[0048] 3. High automation level: The detection device, through the linkage of industrial computer and lower computer, combined with displacement sensor and camera data, can automatically judge the fabric seam, intelligently control the start and stop of relay module and cloth coding machine motor, realize full automatic control, reduce manual intervention and improve production efficiency.

[0049] 5. Strong adaptability: The system can flexibly adjust the layout through the U-shaped bracket fixed camera and light source, adapt to different width and type of fabric, meet the needs of different production scenes, improve the adaptability and scalability of the system.

[0050] 6. Effective light source compensation: The cooperation of adjustable light source 7 and industrial camera 6 ensures uniform illumination of the fabric surface under any environmental lighting conditions, avoiding misidentification caused by shadows or highlight areas, and improving the consistency of image acquisition.

[0051] 7. Multi-dimensional data fusion: The system integrates multi-dimensional data of displacement sensor and industrial camera to monitor the dynamic changes and image information of the fabric, avoiding the misdetection phenomenon caused by single sensor and improving the reliability and accuracy of detection results.

[0052] 8. High integration and stability: The overall structure design is compact, using L-shaped support frame and angle ruler structure to make the detection module and camera module stable installation, reducing the interference caused by equipment vibration, ensuring the stability in long-term operation.

[0053] 9. System optimization and intelligent feedback: Through intelligent algorithm analysis and processing of collected data, the system can dynamically adjust parameters to ensure optimal detection effect, further improving the performance and optimization effect of the system.

[0054] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the basis of the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A fabric joint detection device for a visual fusion displacement sensor, characterized in that: The detection device body (90) is installed on the cloth measuring machine table (11), and the detection device body (90) comprises a detection module (12), a camera module (13) and a detection system (14); The integral cloth measuring machine table (11) comprises a first table top (112) and a second table top (113), the outer side end of the first table top (112) is fixedly provided with a support frame (110), the lower end of the L-shaped support frame (110) is connected with the outer side end of the cloth measuring machine table (11), and the other end of the support frame (110) extends upward; an angle ruler (111) is fixedly arranged on the upper end surface of the upwardly extending support frame (110), the space of the angle ruler (111) faces one side of the cloth measuring machine table (11), and the detection module (12) is arranged on the inner side of the angle ruler (111); The cloth measuring machine table (11) is provided with a cloth releasing roller one (3), a cloth releasing roller two (31), a cloth releasing roller three (32) and a cloth releasing roller four (33), the cloth releasing roller one (3) is located below the detection module (12) on the support frame (110), and the cloth releasing roller four (33) is located at the connecting end of the first table top (112) and the second table top (113); A horizontal rod (4) is arranged at the connecting end of the first table top (112) and the second table top (113), a camera module (13) is arranged on the upper side of the horizontal rod (4), and the camera module (13) is located above the second table top (113); The detection module (12) and the camera module (13) are in signal communication with the detection system (14) through a data line (141).

2. The fabric joint detection apparatus of claim 1, wherein: The detection module (12) comprises a displacement sensor one (1), a displacement sensor two (2), a pressing roller one (9) and a pressing roller two (10), one end of the displacement sensor one (1) and the displacement sensor two (2) is connected with the inner side wall of the angle ruler (111), the other end of the displacement sensor one (1) is provided with the pressing roller one (9), the other end of the displacement sensor two (2) is provided with the pressing roller two (10), and the circumferential surfaces of the pressing roller one (9) and the pressing roller two (10) are flexibly pressed on the surface of the cloth (8) displaced by the cloth releasing roller one (3).

3. The fabric joint detection apparatus of claim 1, wherein: The camera module (13) comprises a support (5), an industrial camera (6) and a light source (7), the closed end of the U-shaped support (5) is connected with the side of the horizontal rod (4), the two ends of the opening position of the support (5) in the upper and lower positions extend in the opposite direction of the horizontal rod (4), the end of the upper end position of the support (5) is provided with the industrial camera (6), and the end of the lower end position of the support (5) is provided with the light source (7), and the light source (7) provides complementary light for the industrial camera (6).

4. The fabric joint detection apparatus of claim 1, wherein: The detection system (14) comprises an industrial computer and a lower computer, the lower computer is connected to the industrial computer through a 485 bus, the industrial camera (6) is connected to the industrial computer through an Ethernet signal, the displacement sensor one (1) and the displacement sensor two (2) are connected to the lower computer, and the lower computer comprises a relay module.

5. A fabric joint detection device for a visual fusion displacement sensor according to claim 4, characterized in that: The relay module comprises an indicator, and the relay module controls the operation of the motor of the cloth measuring machine.

6. A fabric joint detection device for a visual fusion displacement sensor according to claim 5, characterized in that: The lower computer is in electrical communication with the light source (7).

7. A fabric joint detection device for a visual fusion displacement sensor according to claim 2, characterized in that: The first, second, third and fourth cloth releasing rollers (3, 31, 32, 33) are arranged in parallel, the third cloth releasing roller (32) is located above the first table (112), and the second cloth releasing roller (31) is located above the connection position of the first table (112) and the support frame (110).

8. A fabric joint detection device of a visual fusion displacement sensor according to claim 1, characterized in that: The first table (112) is raised relative to the second table (113), and the first table (112) and the second table (113) have an included angle therebetween.

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