A stud leak detection system for heater unloading station

Abstract

The invention discloses a stud leakage prevention detection system for a blanking station of a heater, comprising a camera module and a comparison module; the camera module and the comparison module are respectively installed on the blanking station, and the output end of the camera module is connected to the comparison module; the camera module is a scanned image of a heater workpiece collected by a magnetic induction instrument; the comparison module compares the detected scanned image with pre-stored standard images of different types of heater workpieces for structural information, and determines whether there are missing installation bolts in the heater workpiece and the positions and types of the bolts; a modeling unit of the comparison module selects the heater workpiece, removes all bolts on the heater workpiece, and scans the image through the camera module, thereby obtaining a scanned image of the heater workpiece with blank bolts; the invention can not only find bolt holes on the outside of the heater workpiece where bolts are not installed, but also find bolt holes on the inside of the heater workpiece where bolts are not installed.

Description

Technical Field

[0001] The invention relates to the technical field of heaters, and in particular to a stud leakage prevention detection system for a heater unloading station. Background Art

[0002] Chinese patent CN201724792U discloses an air conditioner heater leak detection device, which is used to detect the sealing performance of an air conditioner heater. The air conditioner heater includes a water pipe for conveying water, a vent pipe inserted in the water pipe, a detection tube shaft sleeved at one end of the outer side of the vent pipe and inserted in the water pipe, a sealing ring sleeved on the outer side of the detection tube shaft, and a detection tube sleeve arranged on the detection tube shaft. An assembly groove is provided on the outer side of the detection tube shaft, and the sealing ring is arranged in the assembly groove and inserted in the water pipe. The detection tube sleeve is also arranged in the assembly groove to fix the vent pipe. Since the detection tube shaft can slide along the axial direction of the water pipe in a direction away from the water pipe under the action of external force, the sealing ring can effectively seal the water pipe under the action of the detection tube sleeve and the detection tube shaft, thereby reducing the uncertainty of manual intervention, ensuring a constant sealing effect, and improving the accuracy of detection;

[0003] In the prior art, during the production process of the heater, the means of detecting whether the bolts of the heater are installed usually uses a camera system to capture the appearance of the heater, and then determine whether there are any missing bolts. Therefore, the current detection means only targets the outside of the heater, and when there are missing bolts inside the heater, the detection system cannot detect it. Summary of the invention

[0004] The purpose of the present invention is to solve the problems of the above-mentioned background technology, and proposes a stud leakage detection system for the unloading station of a heater, adds a camera module to the unloading station, and adds a comparison module at the same time to ensure that all stud detection signal inputs can be detected, pulse signals can be sent, the stud status can be monitored, and error messages can be displayed on the display screen to guide employees or maintenance personnel to check and repair in time.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] Heater unloading station stud leak detection system, including camera module and comparison module;

[0007] The camera module and the comparison module are respectively installed on the unloading station, and the output end of the camera module is connected to the comparison module;

[0008] The camera module collects the scanned image of the heater workpiece through the magnetic sensor; the comparison module compares the detected scanned image with the pre-stored standard images of different types of heater workpieces to perform structural information comparison to determine whether there are any missing installation bolts on the heater workpiece and the location and type of the bolts;

[0009] The modeling unit of the comparison module selects a heater workpiece, removes all the bolts on the heater workpiece, and scans the image through the camera module to obtain a scanned image of the heater workpiece with blank bolts; then, the bolts are installed one by one into the bolt holes of the heater for scanning to obtain the position of each bolt hole in the image, and this is established as a basic heater model.

[0010] As a further solution of the present invention: the scanning image receives the electromagnetic waves emitted by the secondary induced electromagnetic field through the signal receiving end of the magnetic sensor, and judges the form and strength of the field source based on the received electromagnetic waves, and directly reflects the shape of the field source on the image.

[0011] As a further solution of the present invention: the secondary induced electromagnetic field is an alternating electromagnetic field formed by the heater's electrons producing corresponding movements under the action of external alternating electromagnetic field signals because the heater and the bolt hole have different responses to the alternating electromagnetic field signals.

[0012] As a further solution of the present invention: the modeling unit of the comparison module is communicatively connected to the comparison unit, and the comparison unit is communicatively connected to the display unit.

[0013] As a further solution of the present invention: the modeling unit numbers the bolt holes in the basic heater model one by one, namely X1, X2, X3...X n .

[0014] As a further solution of the present invention: the comparison unit compares the scanned image of the detected heater workpiece with the basic heater model, and analyzes and determines whether there are any uninstalled bolts in the detected heater workpiece and the positions of the bolts.

[0015] As a further solution of the present invention: the comparison module also includes a display unit, and the display unit sends the label information to a display screen.

[0016] Beneficial effects of the present invention:

[0017] (1) The camera module of the present invention, when there are bolt holes in the heater workpiece where bolts are not installed, the strength, divergence and other characteristics of the secondary induced electromagnetic field will undergo significant changes; therefore, through the image acquisition of the magnetic induction instrument, it can not only find the bolt holes on the outside of the heater workpiece where bolts are not installed, but also find the bolt holes on the inside of the heater workpiece where bolts are not installed;

[0018] (2) The modeling unit of the present invention can quickly understand which specific position of the heater workpiece has no bolt installed through the cooperation between the modeling unit, the comparison unit and the display unit;

[0019] (3) In summary, a camera module is added to the unloading station, and a comparison module is added to ensure that all stud detection signal inputs can be detected, pulse signals can be sent, the stud status can be monitored, and error messages can be displayed on the display screen to guide employees or maintenance personnel to check and repair in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] Figure 1 It is a structural block diagram of the present invention. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] Example 1

[0024] See also Figure 1 As shown, the present invention is a stud leakage prevention detection system for a heater unloading station, comprising a camera module and a comparison module;

[0025] The camera module and the comparison module are respectively installed on the unloading station, and the output end of the camera module is connected to the comparison module;

[0026] Among them, the camera module is a scanning image of the heater workpiece collected by a magnetic sensor;

[0027] The comparison module compares the detected scanned image with the pre-stored standard images of different types of heater workpieces to perform structural information comparison to determine whether there are any missing installation bolts in the heater workpiece and the position and type of the bolts;

[0028] During the detection, the signal transmitting end of the magnetic induction instrument is used to transmit an alternating electromagnetic field signal to the heater workpiece. The heater and the bolt hole have different responses to the alternating electromagnetic field signal. The electrons of the heater produce corresponding movements under the action of the external alternating electromagnetic field signal. The movement of the electrons will produce an alternating electromagnetic field with the same frequency as the electromagnetic field of the magnetic induction instrument and relatively weak intensity, namely, the secondary induced electromagnetic field. The range of electron movement determines the spatial position and boundary of the secondary induced electromagnetic field. The secondary induced electromagnetic field will emit electromagnetic waves outward, forming an electromagnetic field source that emits electromagnetic waves outward like a light source, referred to as the field source here. The signal receiving end of the magnetic induction instrument receives the electromagnetic waves emitted by the above-mentioned secondary induced electromagnetic field, and It can judge the form and strength of the field source according to the received electromagnetic waves, and directly reflect the shape of the field source on the image to form a scanned image; therefore, the metal in the complete and coherent heater workpiece is a tightly bonded whole, and the field source of the secondary induced electromagnetic field stimulated by the external alternating electromagnetic field is also a complete and coherent whole, which is shown as a complete and coherent stripe in the scanned image; if there are bolt holes in the heater workpiece where bolts are not installed, the strength, divergence and other characteristics of its secondary induced electromagnetic field will change significantly; therefore, through the image acquisition of the magnetic induction instrument, it can not only find the bolt holes on the outside of the heater workpiece where bolts are not installed, but also find the bolt holes on the inside of the heater workpiece where bolts are not installed;

[0029] The comparison module includes a modeling unit, a comparison unit and a display unit; the modeling unit is connected to the comparison unit for communication, and the comparison unit is connected to the display unit for communication;

[0030] The modeling unit selects a heater workpiece, removes all bolts on the heater workpiece, and scans the image through a camera module to obtain a scanned image of the heater workpiece with blank bolts; then, the bolts are installed one by one into the bolt holes of the heater and scanned to obtain the position of each bolt hole in the image, and the basic heater model is established; and the bolt holes in the basic heater model are numbered one by one, specifically X1, X2, X3...X n ;

[0031] The comparison unit compares the scanned image of the inspected heater workpiece with the basic heater model, and analyzes and determines whether there are any missing bolts in the inspected heater workpiece, and the specific position of the missing bolts;

[0032] The display unit sends the detected signal to the display screen, so that the staff can quickly understand which specific position of the heater workpiece has no bolt installed;

[0033] Add a camera module to the unloading station, and add a comparison module to ensure that all stud detection signal inputs can be detected, pulse signals can be sent, the stud status can be monitored, and error messages can be displayed on the display to guide employees or maintenance personnel to check and repair in time.

[0034] Example 2

[0035] The working method of the stud leakage detection system for the heater unloading station includes the following steps:

[0036] Step 1: The heater is transported to the unloading station along the conveyor belt, and the camera module collects the scanned image of the heater workpiece through the magnetic sensor;

[0037] Step 2: The camera module sends the scanned image to the comparison module for analysis and comparison, and compares the detected scanned image with the pre-stored standard images of different types of heater workpieces for structural information to determine whether there are any missing installation bolts on the heater workpiece and the location and type of the bolts.

[0038] The working principle of the present invention is as follows: the camera module uses the signal transmitting end of the magnetic induction instrument to transmit an alternating electromagnetic field signal to the heater workpiece. The heater and the bolt hole have different responses to the alternating electromagnetic field signal. The electrons of the heater produce corresponding movements under the action of the external alternating electromagnetic field signal. The movement of the electrons will produce an alternating electromagnetic field with the same frequency as the electromagnetic field of the magnetic induction instrument and relatively weak intensity, namely, the secondary induced electromagnetic field; the range of the electron movement determines the spatial position and boundary of the secondary induced electromagnetic field, and the secondary induced electromagnetic field will emit electromagnetic waves outward to form an electromagnetic field source that emits electromagnetic waves outward similar to a light source, which is referred to as the field source here; the signal receiving end of the magnetic induction instrument receives the electromagnetic waves emitted by the secondary induced electromagnetic field, and can judge the form and strength of the field source according to the received electromagnetic waves, and will directly reflect the shape of the field source on the image to form a scanned image;

[0039] The comparison module selects a heater workpiece, removes all the bolts on the heater workpiece, and scans the image through the camera module to obtain a scanned image of the heater workpiece with blank bolts; then, the bolts are installed one by one into the bolt holes of the heater and scanned to obtain the position of each bolt hole in the image, and this is established as a basic heater model. Then, the detected heater scanned image is compared with the basic heater model, which can not only determine whether there are missing bolts in the heater workpiece, but also accurately know the position of the missing bolts.

[0040] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. The stud leakage detection system for the heater unloading station is characterized by: Including camera module and comparison module; The camera module and the comparison module are respectively installed on the unloading station, and the output end of the camera module is connected to the comparison module; The camera module collects the scanned image of the heater workpiece through the magnetic sensor; the comparison module compares the detected scanned image with the pre-stored standard images of different types of heater workpieces to perform structural information comparison to determine whether there are any missing installation bolts on the heater workpiece and the location and type of the bolts; The modeling unit of the comparison module selects a heater workpiece, removes all bolts on the heater workpiece, and scans the image through the camera module to obtain a scanned image of the heater workpiece with blank bolts; then, the bolts are installed in the bolt holes of the heater for scanning to obtain the positions of each bolt hole in the image, and a basic heater model is established; The scanning image is formed by receiving the electromagnetic waves emitted by the secondary induced electromagnetic field through the signal receiving end of the magnetic induction instrument, and judging the form and strength of the field source based on the received electromagnetic waves, and directly reflecting the shape of the field source on the image; The secondary induced electromagnetic field is an alternating electromagnetic field formed by the heater's electrons producing corresponding movements under the action of the external alternating electromagnetic field signal, because the heater and the bolt hole respond differently to the alternating electromagnetic field signal. The modeling unit of the comparison module is communicatively connected to the comparison unit, and the comparison unit is communicatively connected to the display unit; The modeling unit numbers the bolt holes in the basic heater model one by one, as X1, X2, X3...X n ; The comparison unit compares the scanned image of the heater workpiece under inspection with the basic heater model, and analyzes and determines whether there are any uninstalled bolts in the heater workpiece under inspection and the locations of the bolts; The display unit of the comparison module sends the label information to the display screen.

Images