CN212459464U - Foreign matter detection device influencing safe operation of conveying belt system - Google Patents
Foreign matter detection device influencing safe operation of conveying belt system Download PDFInfo
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- CN212459464U CN212459464U CN202022030743.7U CN202022030743U CN212459464U CN 212459464 U CN212459464 U CN 212459464U CN 202022030743 U CN202022030743 U CN 202022030743U CN 212459464 U CN212459464 U CN 212459464U
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Abstract
The utility model relates to a foreign matter detection device for influencing the safe operation of a conveyor belt system, which comprises a sensor module in an annular surrounding shape, wherein the sensor module is arranged on the measured cross section of the conveyor belt and mainly comprises a first sensor module, a second sensor module, a third sensor module and a fourth sensor module in a surrounding way; each sensor module comprises a storage box, a detection sensing unit and a height adjusting module, the height adjusting module is arranged at the lower part of the detection sensing unit, and the storage box and the detection sensing unit form a box body structure; the detection sensing unit mainly comprises a metal copper sheet, an insulating layer and a metal base. The utility model has the advantages that: this equipment not only can detect the metal or nonmetal foreign matter in the measured raw materials on the in service conveyor belt, and the cross section of this equipment encloses the foreign matter existence condition that the design can the omnidirectional detect conveyor belt entirely moreover, avoids the foreign matter condition of louing examining in the high-speed transport of belt.
Description
Technical Field
The utility model relates to an influence conveyor belt system safe operation's foreign matter detection device, in particular to conveyor belt goes up detection device sensing part's of foreign matter design and optimization.
Background
The conveying belt system is generally used in the industries of food and medicine manufacturing, chemical industry, power generation, steel smelting and the like, but as the whole thread of the conveying belt system is long, hard metal or nonmetal foreign matters are possibly mixed in the conveyed substances in the transportation process, and an effective foreign matter detection technical means is lacking at present. Hard foreign matter is highly likely to cause damage to the conveyor belt and may also cause significant wear or damage to equipment in subsequent processes.
The microwave tomography technology is a technology for reconstructing a dielectric constant image in an object according to scattering data detected by a scattering field outside the object to be detected, and can be used for detecting the size, shape, position distribution and the like of different materials in the object. Compared with a radioactive ray imaging method, the microwave tomography technology has the advantages of higher detection speed, safer use and lower development cost. The foreign matter detection device based on the microwave tomography technology acquires the material distribution condition of a certain measured cross section of the conveying belt in operation in real time, and displays and alarms the foreign matter in the measured object in a data and graphical mode to provide detection information for subsequent foreign matter removal treatment.
However, in general, the sensor may not cover the detection range completely during the detection of the conveyor belt system, and therefore, it is necessary to provide a foreign object detection sensor capable of performing all-directional detection.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough among the prior art, providing a foreign matter detection device who influences conveyor belt system safe operation, utilize the sensing device that microwave tomography principle design cross section covers all around, improve the coverage and the degree of accuracy of sensor.
This kind of foreign matter detection device who influences conveyor belt system safe operation, including being the sensor module that the annular surrounds the form, conveyor belt is surveyed the cross section and is installed this sensor module, and the sensor module mainly encircles by first sensor module, second sensor module, third sensor module and fourth sensor module and constitutes.
Preferably, the method comprises the following steps: the two fourth sensor modules on the top, the second sensor module on the bottom, the first sensor module and the third sensor module on the two sides are encircled to form an inverted trapezoidal structure.
According to the sensor module, each sensor module comprises a storage box, a detection sensing unit and a height adjusting module, the height adjusting module is arranged at the lower part of the detection sensing unit, the storage box and the detection sensing unit form a box body structure, and a circuit module, a power supply module and a cable are placed in the storage box; the detection sensing unit mainly comprises a metal copper sheet, an insulating layer and a metal base.
Preferably, the method comprises the following steps: the height adjusting module is positioned in the storage box and arranged at the four corners of the lower part of the detection sensing unit.
Preferably, the method comprises the following steps: the insulating layer is positioned between the metal copper sheet and the metal base, the metal copper sheet is fixed on the upper surface of the insulating layer, and the metal base is fixed on the lower surface of the insulating layer; the insulating layer and the metal base are correspondingly provided with holes, and the metal thin rod of the SMA interface penetrates through the holes of the metal base and the insulating layer and is connected with the metal copper sheet in a welding mode.
Preferably, the method comprises the following steps: the surface of the metal copper sheet is coated with an insulating coating.
Preferably, the method comprises the following steps: the insulating layer is made of insulating plastic.
Preferably, the method comprises the following steps: the metal thin rod of the SMA interface and the insulating plastic around the metal thin rod are wrapped together and penetrate through the metal base.
Preferably, the method comprises the following steps: the metal shell of the SMA interface is fixed on the metal base through screws and is used as a signal ground together, the metal thin rod in the middle of the SMA interface is used as a propagation medium of a high-frequency microwave signal, and plastic between the metal thin rod and the metal shell is used as insulation isolation.
Preferably, the method comprises the following steps: the metal copper sheets are uniformly arranged on the insulating layer in a linear type.
The utility model has the advantages that: this equipment not only can detect the metal or nonmetal foreign matter in the measured raw materials on the in service conveyor belt, and the cross section of this equipment encloses the foreign matter existence condition that the design can the omnidirectional detect conveyor belt entirely moreover, avoids the foreign matter condition of louing examining in the high-speed transport of belt. The device solves the problem of foreign matter removal in the conveying system at a deep level, overcomes the defects and shortcomings of the existing foreign matter detection device, enables the conveying belt system to operate reliably and safely, correspondingly reduces the maintenance cost of the device, and improves the economic benefit.
Drawings
FIG. 1 is a schematic diagram of a foreign matter detection sensor of the present apparatus for affecting the safe operation of a conveyor belt system;
FIG. 2 is a schematic structural diagram of a height adjusting module of the apparatus;
FIG. 3 is a schematic view of the storage box structure of the present apparatus;
FIG. 4 is a schematic diagram of the structure of a detection sensing unit of the present apparatus;
FIG. 5 is an exploded view of the structure of the detecting and sensing unit of the present apparatus;
FIG. 6 is a perspective view showing the structure of a detecting and sensing unit of the present apparatus;
fig. 7 is an experimental effect diagram of the present apparatus (where, fig. 7a is a diagram showing an effect of detecting no foreign matter, fig. 7b is a diagram showing a state of a microwave signal when no foreign matter is detected, fig. 7c is a diagram showing an effect of detecting a foreign matter at a middle position of a cross section of a conveyor belt, fig. 7d is a diagram showing a state of a microwave signal when a foreign matter is detected at a middle position of a cross section of a conveyor belt, fig. 7e is a diagram showing an effect of detecting a foreign matter at a left position of a cross section of a conveyor belt, and fig. 7f is a diagram showing a state of a microwave signal when a foreign matter is detected.
Description of reference numerals: the sensor comprises a first sensor module 1, a second sensor module 2, a third sensor module 3, a fourth sensor module 4, a height adjusting module 5, a detection sensing unit 6, a storage box 7, a metal copper sheet 8, an insulating layer 9, a metal base 10 and an SMA interface 11.
Detailed Description
The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to aid in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
This patent equipment mainly utilizes the design of annular surrounding type to use the sensor to surround and carry whether to have the foreign matter in the measured object on the belt detection belt, and the information that utilizes to detect obtains makes the foreign matter in the transport afterwards get rid of existence possibility. The design mode of the annular surrounding type can ensure that the detection range of the microwave completely covers the detected object on the conveying belt to be detected.
As shown in figure 1, conveyor belt is at the in-process of work, the sensor module is installed to the cross section of being surveyed, the sensor module surrounds by four modules and constitutes, first sensor module 1 promptly, second sensor module 2, third sensor module 3 and fourth sensor module 4 encircle and constitute, cover the cross section of being surveyed of measured object completely at the in-process that detects, realize that the coverage area scope of detection is safe and not have the omission, compare the local cover of bottom surface or top surface, effectively improve the accuracy of testing result. The conveying belt facilitates the sensor to better detect the conveyed detected object. The sensor module is installed on the support.
As shown in FIG. 2, each sensor module can use the height adjustment module 5 to adjust the angle and the detection position of the sensor in the detection process, so as to ensure that the sensor and the surface of the object to be detected are adjusted to a proper distance, and the sensor can be better aligned to a proper position, thereby facilitating the detection and adjustment of the microwave.
As shown in fig. 3, the storage box 7 is arranged in each sensor module to place the circuit module, the power module, the cable and the like for accommodating the foreign matter detection device, so that the internal equipment is protected, the equipment is guaranteed not to be damaged under the severe condition of conveying, the sensor has integrity, and the construction work in a factory is facilitated. The height adjustment module 5, the detection sensor unit 6 and the storage box 7 in combination constitute one sensor unit of the entire sensor.
As shown in fig. 4, the detection sensing unit 6 is formed by combining a metal copper sheet 8, an insulating layer 9 and a metal base 10; the metal copper sheet 8 is used as an electrode of the foreign matter detection sensor to emit signals and is fixed on the upper surface of the insulating layer 9, and the whole sensing surface is coated with a layer of insulating paint for preventing the sensing surface from being stained or oxidized and corroded; the insulating layer 9 is positioned between the metal copper sheet 8 and the metal base 10, and the material of the insulating layer 9 is PTFE insulating plastic.
As shown in fig. 5, holes are correspondingly formed in the insulating layer 9 and the metal base 10, a metal thin rod (signal end) of the SMA interface 11 passes through the holes of the metal base 10 and the insulating layer 9 to be connected with the metal copper sheet 8, a metal shell of the SMA interface 11 serves as a signal ground, the metal thin rod at the center of the SMA interface 11 serves as a propagation medium of a high-frequency microwave signal, the metal thin rod of the SMA interface 11 and plastic insulation around the metal thin rod are wrapped together to pass through the metal base 10, and finally, the tip of the metal thin rod is welded to the metal copper sheet 8.
As shown in fig. 6, the metal shell of the SMA interface 11 is fixed on the metal base 10 by screws to serve as a signal ground together, the metal thin rod in the middle of the SMA interface 11 serves as a propagation medium of a high-frequency signal, the plastic between the metal thin rod and the metal shell serves as an insulation isolation, and the metal base 10 serves as a main ground and supports the whole microwave imaging sensor module.
The design can be applied to industrial nondestructive testing, and due to the fact that the mixed sundries and the transported objects have different dielectric constants, microwave testing can clearly distinguish the mixed sundries by utilizing the characteristic, and can detect the mixed impurities in various transported objects. Since microwaves utilize the material property of dielectric constant, and the penetration property thereof, there is a clear advantage in detecting a large volume of objects with high density. The method has the characteristics of high density resolution, strong detection signal penetration capability, digital image and the like, and has unique superiority in application of nondestructive testing. The device has important significance in belt conveying in the industries of food and drug manufacturing, chemical industry, power generation, steel smelting and the like.
The design can directly solve from the echo signal to obtain the error phase and realize high-precision imaging. Fig. 7(a) shows a display effect diagram of no foreign matter detection, fig. 7(b) shows a microwave signal state of no foreign matter detection, fig. 7(c) shows a display effect diagram of a detected foreign matter at a middle position of the cross section of the conveyor belt, fig. 7(d) shows a microwave signal state of a detected foreign matter at a middle position of the cross section of the conveyor belt, fig. 7(e) shows a display effect diagram of a detected foreign matter at a left position of the cross section of the conveyor belt, and fig. 7(f) shows a microwave signal state of a detected foreign matter at a left position of the cross section of the conveyor belt, and other substances existing in a finished product can be clearly distinguished according to a displayed image.
The device can detect metal or nonmetal foreign matters in the detected raw materials on the conveying belt in operation, and alarm is carried out by using detected information or the information for foreign matter detection is provided for foreign matter removal.
Up to this point, the present embodiment has been described in detail with reference to the accompanying drawings. From the above description, those skilled in the art should clearly recognize that the microwave detection method obtained by the present patent is available.
Further, the above definitions of the various elements and methods are not limited to the various specific structures, shapes or arrangements of parts mentioned in the examples, which may be easily modified or substituted by those of ordinary skill in the art.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides an influence foreign matter detection device of conveyor belt system safe operation which characterized in that: including being the sensor module that the annular surrounds the form, conveyor belt is surveyed the cross section and is installed this sensor module, and the sensor module mainly encircles by first sensor module (1), second sensor module (2), third sensor module (3) and fourth sensor module (4) and forms.
2. The foreign matter detection device that affects safe operation of a conveyor belt system according to claim 1, characterized in that: the two fourth sensor modules (4) at the top, the second sensor module (2) at the bottom, the first sensor module (1) and the third sensor module (3) at two sides are encircled to form an inverted trapezoidal structure.
3. The foreign matter detection device that affects safe operation of a conveyor belt system according to claim 1, characterized in that: each sensor module comprises a storage box (7), a detection sensing unit (6) and a height adjusting module (5), the height adjusting module (5) is arranged at the lower part of the detection sensing unit (6), the storage box (7) and the detection sensing unit (6) form a box body structure, and a circuit module, a power supply module and a cable are placed in the storage box (7); the detection sensing unit (6) mainly comprises a metal copper sheet (8), an insulating layer (9) and a metal base (10).
4. The foreign matter detection device that affects safe operation of a conveyor belt system according to claim 3, characterized in that: the height adjusting module (5) is positioned in the storage box (7) and is arranged at the four corners of the lower part of the detection sensing unit (6).
5. The foreign matter detection device that affects safe operation of a conveyor belt system according to claim 3, characterized in that: the insulating layer (9) is positioned between the metal copper sheet (8) and the metal base (10), the metal copper sheet (8) is fixed on the upper surface of the insulating layer (9), and the metal base (10) is fixed on the lower surface of the insulating layer (9); holes are correspondingly formed in the insulating layer (9) and the metal base (10), and a metal thin rod of the SMA interface (11) penetrates through the holes in the metal base (10) and the insulating layer (9) and is connected with the metal copper sheet (8) in a welding mode.
6. The foreign matter detection device that affects safe operation of a conveyor belt system according to claim 5, characterized in that: the surface of the metal copper sheet (8) is coated with an insulating coating.
7. The foreign matter detection device that affects safe operation of a conveyor belt system according to claim 5, characterized in that: the insulating layer (9) is made of insulating plastic.
8. The foreign matter detection device that affects safe operation of a conveyor belt system according to claim 5, characterized in that: the metal thin rod of the SMA interface (11) and the insulating plastic around the metal thin rod are wrapped together and penetrate through the metal base (10).
9. The foreign matter detection device that affects safe operation of a conveyor belt system according to claim 5, characterized in that: the metal shell of the SMA interface (11) is fixed on the metal base (10) through screws and is used as a signal ground together, the metal thin rod in the middle of the SMA interface (11) is used as a propagation medium of a high-frequency microwave signal, and plastic between the metal thin rod and the metal shell is used as insulation isolation.
10. The foreign matter detection device that affects safe operation of a conveyor belt system according to claim 5, characterized in that: the metal copper sheets (8) are uniformly arranged on the insulating layer (9) in a linear manner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022030743.7U CN212459464U (en) | 2020-09-16 | 2020-09-16 | Foreign matter detection device influencing safe operation of conveying belt system |
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| CN202022030743.7U CN212459464U (en) | 2020-09-16 | 2020-09-16 | Foreign matter detection device influencing safe operation of conveying belt system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115180364A (en) * | 2022-08-01 | 2022-10-14 | 宁夏广天夏科技股份有限公司 | GMI magnetic sensor-based mining conveying belt foreign matter monitoring device and method |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115180364A (en) * | 2022-08-01 | 2022-10-14 | 宁夏广天夏科技股份有限公司 | GMI magnetic sensor-based mining conveying belt foreign matter monitoring device and method |
| CN115180364B (en) * | 2022-08-01 | 2024-02-27 | 宁夏广天夏科技股份有限公司 | Mining conveyor belt foreign matter monitoring device and method based on GMI magnetic sensor |
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Effective date of registration: 20220822 Address after: Room 307, No. 32, Gaoji Street, Xihu District, Hangzhou City, Zhejiang Province, 310002 Patentee after: Zhejiang Zheneng Digital Technology Co.,Ltd. Patentee after: ZHEJIANG ENERGY R & D INSTITUTE Co.,Ltd. Address before: 5 / F, building 1, No. 2159-1, yuhangtang Road, Wuchang Street, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG ENERGY R & D INSTITUTE Co.,Ltd. |
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