CN112179902A - Cement quality detection method and cement quality detection system - Google Patents
Cement quality detection method and cement quality detection system Download PDFInfo
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- CN112179902A CN112179902A CN202011050765.8A CN202011050765A CN112179902A CN 112179902 A CN112179902 A CN 112179902A CN 202011050765 A CN202011050765 A CN 202011050765A CN 112179902 A CN112179902 A CN 112179902A
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- 239000004568 cement Substances 0.000 title claims abstract description 167
- 238000001514 detection method Methods 0.000 title claims abstract description 75
- 238000011084 recovery Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000007689 inspection Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 4
- 238000004064 recycling Methods 0.000 description 12
- 238000012545 processing Methods 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 4
- 238000004590 computer program Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013102 re-test Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N2021/0357—Sets of cuvettes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/845—Objects on a conveyor
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Abstract
The invention relates to the field of cement quality detection, in particular to a cement quality detection method and a cement quality detection system; the method comprises the following steps: providing a conveying device, wherein the conveying device is used for conveying a cement sample and pouring the detected sample to a recovery area; providing a signal transmitting device, wherein the signal transmitting device is used for transmitting an initial signal before the cement sample reaches the recovery area; providing a signal receiving device, wherein the signal receiving device is used for generating a target signal after receiving an intermediate signal, and the intermediate signal is formed after the initial signal passes through the cement sample; and providing an analysis device, wherein the analysis device is used for acquiring the target signal and obtaining the detection result of the cement sample according to the target signal. The detection method provided by the invention has the advantages of less equipment and simple method, and can effectively detect the quality of the cement which is delivered from a factory and stored for a certain time.
Description
Technical Field
The invention relates to the field of cement quality detection, in particular to a cement quality detection method and a cement quality detection system.
Background
Since the new era, China pays attention to the infrastructure, enjoys the reputation of the capital construction of the country internationally, and inevitably uses cement in the process of the capital construction. Cement is a common building material, and the quality of cement can be judged by various parameters, such as: insoluble matter, magnesium oxide, SO3, loss on ignition, fineness, coagulation time, strength, stability, hydration heat, etc. The cement has a certain shelf life after leaving the factory, and various indexes of the cement are reduced along with the lapse of storage time. If unqualified cement is applied to the building engineering, on one hand, the acceptance inspection can be unqualified, so that the construction period is delayed, and huge loss is brought to enterprises. On the other hand, the construction quality problem can be caused, and great hidden danger is brought to the life and property safety of people.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the present application aims to provide a method and a system for detecting cement quality, which aims to solve the problem in the prior art that the quality of cement is lack of a reliable and simple detection method after the cement is stored for a certain time from factory.
The invention provides a cement quality detection method in a first aspect, which comprises the following steps: providing a conveying device, wherein the conveying device is used for conveying the cement sample and pouring the inspected sample to a recovery area; providing a signal transmitting device, wherein the signal transmitting device is used for transmitting an initial signal before the cement sample reaches the recovery area; providing a signal receiving device, wherein the signal receiving device is used for generating a target signal after receiving an intermediate signal, and the intermediate signal is formed after the initial signal passes through the cement sample; and providing an analysis device, wherein the analysis device is used for acquiring the target signal and obtaining the detection result of the cement sample according to the target signal. The detection method provided by the invention has the advantages of less equipment, simplicity and reliability, and can be used for effectively detecting the quality of the cement after the cement is delivered and stored for a certain time.
Optionally, the cement quality detection method further includes: a plurality of containing areas are arranged on the conveying device, and the containing areas are used for containing cement samples of the same and/or different batches. Through setting up a plurality of accommodation areas, and then hold the cement sample of same batch in different accommodation areas and carry out retest, can improve and detect the precision. Or, different batches of cement samples are contained in different containing areas, so that the cement samples in different batches can be detected, and the detection efficiency is improved.
Optionally, the cement quality detection method further includes: and arranging a light source on the signal transmitting device, wherein the light source is used for transmitting an initial light signal before the cement sample reaches the recovery area. The light source is used as the main component of the signal transmitting device, and the advantages of mature technology and effective reduction of cost are achieved.
Optionally, the cement quality detection method further includes: and arranging a lens on the signal receiving device, wherein the lens is used for generating an image signal after receiving an intermediate light signal, and the intermediate light signal is formed after the initial light signal penetrates through the cement sample. The advantages of energy saving, environmental protection and high detection precision are achieved by using light as a detection signal.
Optionally, the cement quality detection method further includes: and arranging a processor on the analysis device, wherein the processor is used for acquiring the image signal and obtaining the detection result of the cement sample according to the image signal.
Optionally, the obtaining a detection result of the cement sample according to the image signal includes: setting an area threshold value, wherein the area threshold value is not less than the orthographic projection area of qualified cement particles on a horizontal plane; identifying the area of each shadow area in the image signal, and taking the maximum value of the area of each shadow area; and comparing the maximum value with the area threshold value, and if the maximum value is not greater than the area threshold value, determining that the cement sample is qualified. By comparing the maximum value of the area of the shadow region in the image signal with the area threshold value, namely, the fineness of the cement is utilized to represent the quality of the cement, the advantages of convenience in acquisition and comparison and greatly improved detection precision are achieved.
A second aspect of the present invention provides a cement quality detection system, comprising: the conveying device is used for conveying the cement sample and pouring the inspected sample to a recovery area; a signal emitting device for emitting an initial signal before the cement sample reaches the recovery zone; a signal receiving device for generating a target signal after receiving an intermediate signal, the intermediate signal being formed by the initial signal after passing through the cement sample; and the analysis device is used for acquiring the target signal and obtaining the detection result of the cement sample according to the target signal. The detection system provided by the invention has the advantages of less equipment and simple detection method, and can effectively detect the quality of cement which is delivered from a factory and stored for a certain time.
Optionally, the cement quality detection system further comprises: a plurality of containing areas are arranged on the conveying device and are used for containing cement samples of the same and/or different batches. Through setting up a plurality of accommodation areas, and then hold the cement sample of same batch in different accommodation areas and carry out retest, can improve and detect the precision. Or, different batches of cement samples are contained in different containing areas, so that the cement samples in different batches can be detected, and the detection efficiency is improved.
Optionally, the cement quality detection system further comprises: and a light source is arranged on the signal transmitting device and is used for transmitting an initial light signal before the cement sample reaches the recovery area. The light source is used as the main component of the signal transmitting device, and the advantages of mature technology and effective reduction of cost are achieved.
Optionally, the cement quality detection system further comprises: and a lens is arranged on the signal receiving device and used for generating an image signal after receiving an intermediate light signal, wherein the intermediate light signal is formed by the initial light signal after passing through the cement sample. The advantages of energy saving, environmental protection and high detection precision are achieved by using light as a detection signal.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a cement quality detection system of the present invention;
FIG. 2 is a schematic diagram of a projection apparatus according to the present invention showing an intermediate light signal;
FIG. 3 is a flow chart of an embodiment of the cement quality detection method of the present invention.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Specific embodiments of the present invention will be described in detail below, and it should be noted that the embodiments described herein are only for illustration and are not intended to limit the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known circuits, software, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale.
Referring to fig. 1, a cement inspection system according to an embodiment of the present invention includes: the bearing table board 1, the bearing table board 1 is provided with a conveying device 2; furthermore, the conveying device 2 is fixed on the carrying table 1 by a first bracket 23, wherein the first bracket 23 includes 4 first brackets 23, and 4 first brackets 23 are respectively located at two sides of the conveying device 2 to support and fix the conveying device. The conveyor 2 is used for conveying the cement sample 6 and pouring the inspected sample (the inspected sample is a sample after the cement sample is inspected) to the recovery area.
In an optional embodiment, the carrying platform 1 is further provided with a first slide rail 11, the first slide rail 11 is provided with a second support 32, the second support 32 is provided with a second slide rail 33, the second slide rail 33 is provided with a signal emitting device 3 in a sliding manner, the signal emitting device 3 can slide up and down along the second slide rail 33 in a direction perpendicular to a horizontal plane, and the position of the signal emitting device 3 can be adjusted by arranging the first slide rail 11 and the second slide rail 33, so that the practicability of the carrying platform is expanded as much as possible. Wherein the signal emitting device 3 is used for emitting an initial signal before the cement sample 6 reaches the recovery area.
In an alternative embodiment, the recycling area is disposed on the bearing platform 1, and specifically, as shown in fig. 1, the recycling area may specifically include two portions, one of which is a recycling groove 12 located below the conveying device 2 and a discharge hole 13 located at a side edge of the bearing platform 1, the recycling groove 12 is communicated with the discharge hole 13, the recycling groove 12 and the discharge hole 13 are both located on a same inclined plane, the recycling groove 12 may collect the cement samples 6 after the conveying device 2 dumps the cement samples 6, and the discharge hole 13 may discharge the collected cement samples 6 to an external container, so as to collect the cement samples 6 after testing, thereby avoiding waste of resources and pollution to the environment.
In an alternative embodiment, a signal receiving device 4 is further disposed on the carrying table 1, wherein the position of the signal receiving device 4 is different from the position of the signal transmitting device 3. Wherein the signal receiving means 4 is adapted to generate a target signal upon receiving an intermediate signal, the intermediate signal being formed by the initial signal after passing through the cement sample 6. In another alternative embodiment, the signal receiving device 4 may not be directly disposed on the carrying platform 1, for example, by an external robot arm, and then the signal receiving device 4 is disposed on the robot arm, as long as it can receive the intermediate signal from the pouring direction of the cement sample 6.
In an alternative embodiment, the cement detection system further comprises an analysis device (not shown), wherein a signal input terminal of the analysis device is connected to a signal output terminal of the signal receiving device 4. In one embodiment, the analysis device includes a fixed terminal or a mobile terminal with logic processing capability, and the fixed terminal includes a personal computer, a server or a server cluster, and the like; the mobile terminals include devices such as mobile phones and tablet computers, which are not listed here. The analysis device is used for obtaining the target signal and obtaining the detection result of the cement sample 6 according to the target signal.
In an optional embodiment, the cement quality detection system further includes: a plurality of receiving areas 21 are provided on the conveyor 2, said receiving areas 21 being adapted to receive cement samples 6 of the same and/or different batches. Wherein at least one cross section of the receiving area 21 may be any shape, such as one or more of rectangular, circular, and trapezoidal. By arranging a plurality of containing areas 21 and then containing the same batch of cement samples 6 in different containing areas 21 for repeated testing, the detection precision can be improved. Or, different batches of cement samples 6 are contained in different containing areas 21, so that different batches of cement samples 6 can be detected, and the detection efficiency is improved. In another embodiment, a sensor unit 22 for detecting whether the cement sample 6 exists in the accommodating area 21 may be further disposed on the conveying device 2, wherein the sensor unit 22 includes, but is not limited to, an infrared sensor, etc.; when the sensor unit 22 detects that the cement sample 6 does not exist in the accommodating area 21, a detection signal is output to the control unit of the conveying device 2, and the control unit immediately controls the conveying device 2 to stop working, so that the function of a protection system is achieved.
In an optional embodiment, the cement quality detection system further includes: a light source 31 disposed on the signal emitting device 3, wherein the light source 31 can be any color light source, such as a white light source, a red light source, a green light source, and a blue light source. Further, the light source 31 may be one or more of an LED light source, an OLED light source, and an LCD light source, wherein the size of the LED light source may be any size such as a Mini LED, a Micro LED, and the like, and is not limited herein. The light source 31 is used to emit an initial light signal before the cement sample 6 reaches the recovery area. The light source 31 is adopted as the main component of the signal transmitting device 3, which has the advantages of mature technology and effective cost reduction.
In an optional embodiment, the cement quality detection system further includes: a lens 41 provided in the signal receiving device 4, and further, the lens 41 includes a lens on a camera, a lens on a mobile phone, a lens on a video camera, and the like; the cameras include film cameras, digital cameras, plenilla cameras, and the like. The lens 41 is configured to generate an image signal upon receiving an intermediate optical signal, which is formed by the initial optical signal after passing through the cement sample 6. The advantages of energy saving, environmental protection and high detection precision are achieved by using light as a detection signal.
In an optional embodiment, the cement quality detection system further includes: and a projection device 5 disposed between the signal transmitting device 3 and the signal receiving device 4, wherein the projection device 5 may be a rolling curtain or other curtains. The above-described projection means 5 may be used for presenting an intermediate light signal. Referring to fig. 2, the initial light signal emitted from the light source of the signal emitting device 3 is converted into an intermediate light signal after penetrating through the cement sample 6, the projection of the intermediate light signal on the projecting device 5 includes a plurality of bright areas (not shown) and a plurality of shadow areas, and the lens 41 disposed on the signal receiving device 4 can effectively capture the bright areas and the shadow areas on the projecting device 5 and convert the captured bright areas and the shadow areas into image signals for later analysis and judgment.
In an optional embodiment, the cement quality detection system further includes: and a processor provided on the analysis device for running or executing an operating system, various software programs, and its own instruction set stored in the internal memory, and for processing data and instructions received from the touch input device or from other external input means to implement various functions. The processor may include, but is not limited to, one or more of a Central Processing Unit (CPU), general purpose image processor (GPU), Microprocessor (MCU), Digital Signal Processor (DSP), Field Programmable Gate Array (FPGA), Application Specific Integrated Circuit (ASIC). In some embodiments, the processor and the memory controller may be implemented on a single chip. In some other embodiments, they may be implemented separately on separate chips from each other. The processor is used for acquiring the image signal and obtaining the detection result of the cement sample 6 according to the image signal.
In an alternative embodiment, the obtaining the detection result of the cement sample 6 according to the image signal includes: setting an area threshold value, wherein the area threshold value is not less than the orthographic projection area of qualified cement particles on a horizontal plane; identifying the area of each shadow region in the image signal, and taking the maximum value of the area of each shadow region; and comparing the maximum value with the area threshold value, and if the maximum value is not greater than the area threshold value, determining that the cement sample 6 is a qualified cement sample 6. By comparing the maximum value of the area of the shadow region in the image signal with the area threshold value, namely, the fineness of the cement is utilized to represent the quality of the cement, the advantages of convenience in acquisition and comparison and greatly improved detection precision are achieved.
In an alternative embodiment, the analysis apparatus may further include an input device, a memory, and an output device, the processor, the input device, the output device, and the memory being interconnected via a communication bus, the memory being configured to store a computer program, the computer program including program instructions, the processor being configured to invoke the program instructions; further, the processor is configured to call the program instructions to perform the steps of obtaining the detection result of the cement sample 6 according to the image signal according to the invention.
It will be appreciated that in embodiments of the invention, memory referred to may comprise both read-only memory and random-access memory, and provides instructions and data to the processor. The portion of memory may also include non-volatile random access memory. The memory may also store information regarding the type of device, for example.
Referring to fig. 3, another embodiment of the present invention shows a cement inspection method, which includes the following steps:
s1, providing a conveyer for conveying the cement sample and pouring the inspected sample to the recovery area.
In an alternative embodiment, a carrying table 1 is first provided, and a conveying device 2 is disposed on the carrying table 1. The conveying device 2 is fixed on the carrying table 1 through a first bracket 23, wherein the first bracket 23 includes 4 first brackets 23, and the 4 first brackets 23 are respectively located at two sides of the conveying device 2 and play a role in supporting and fixing the conveying device. When the cement sample 6 needs to be tested, the conveyor 2 is first operated to transport the cement sample 6 from the tail of the conveyor 2 to the head of the conveyor 2, and after the cement sample 6 reaches the head of the conveyor 2, the cement sample 6 is poured down from the air by the inertia and gravity, and the tested sample (the tested sample is the sample after the cement sample is tested) falls into the recovery area.
In an alternative embodiment, the recycling area is disposed on the bearing platform 1, and specifically, as shown in fig. 1, the recycling area may specifically include two portions, one of which is a recycling groove 12 located below the conveying device 2 and a discharge hole 13 located at a side edge of the bearing platform 1, the recycling groove 12 is communicated with the discharge hole 13, the recycling groove 12 and the discharge hole 13 are both located on a same inclined plane, the recycling groove 12 may collect the cement samples 6 after the conveying device 2 dumps the cement samples 6, and the discharge hole 13 may discharge the collected cement samples 6 to an external container, so as to collect the cement samples 6 after testing, thereby avoiding waste of resources and pollution to the environment.
In an optional embodiment, the method for detecting cement quality further includes: a plurality of receiving areas 21 are provided on the conveyor 2. The above-mentioned containment zone 21 is intended to contain cement samples 6 of the same and/or different batches. Wherein at least one cross section of the receiving area 21 may be one or more of any shape such as rectangular, circular, and trapezoidal. By arranging a plurality of containing areas 21 and then containing the same batch of cement samples 6 in different containing areas 21 for repeated testing, the detection precision can be improved. Or, different batches of cement samples 6 are contained in different containing areas 21, so that different batches of cement samples 6 can be detected, and the detection efficiency is improved.
In another embodiment, the method for detecting cement quality further includes: the conveyor 2 may further include a sensor unit 22 for detecting the presence of the cement sample 6 in the receiving area 21. The sensor unit 22 includes, but is not limited to, an infrared sensor, etc.; when the sensor unit 22 detects that the cement sample 6 does not exist in the accommodating area 21, a detection signal is output to the control unit of the conveying device 2, and the control unit immediately controls the conveying device 2 to stop working, so that the function of a protection system is achieved.
S2, providing a signal emitting device, wherein the signal emitting device is used for emitting an initial signal before the cement sample reaches the recovery area.
In an optional embodiment, the carrying platform 1 is further provided with a first slide rail 11, the first slide rail 11 is provided with a second support 32, the second support 32 is provided with a second slide rail 33, the second slide rail 33 is provided with a signal emitting device 3 in a sliding manner, the signal emitting device 3 can slide up and down along the second slide rail 33 in a direction perpendicular to a horizontal plane, and the position of the signal emitting device 3 can be adjusted by arranging the first slide rail 11 and the second slide rail 33, so that the practicability of the carrying platform is expanded as much as possible.
In an optional embodiment, the method for detecting cement quality further includes: a light source 31 is provided on the signal emitting device 3. The light source 31 may be any color light source, such as a white light source, a red light source, a green light source, and a blue light source. Further, the light source 31 may be one or more of an LED light source, an OLED light source, and an LCD light source, wherein the size of the LED light source may be any size such as a Mini LED, a Micro LED, and the like, and is not limited herein. The light source 31 is used to emit an initial light signal before the cement sample 6 reaches the recovery area. The light source 31 is adopted as the main component of the signal transmitting device 3, which has the advantages of mature technology and effective cost reduction.
S3, providing a signal receiving device for generating a target signal after receiving an intermediate signal, the intermediate signal being formed by the initial signal passing through the cement sample.
In an alternative embodiment, a signal receiving device 4 is further disposed on the carrying table 1, wherein the position of the signal receiving device 4 is different from the position of the signal transmitting device 3. Wherein the signal receiving means 4 is adapted to generate a target signal upon receiving an intermediate signal, the intermediate signal being formed by the initial signal after passing through the cement sample 6. In another alternative embodiment, the signal receiving device 4 may not be directly disposed on the carrying platform 1, for example, by an external robot arm, and then the signal receiving device 4 is disposed on the robot arm, as long as it can receive the intermediate signal from the pouring direction of the cement sample 6.
In an optional embodiment, the method for detecting cement quality further includes: a lens 41 provided in the signal receiving device 4. Further, the lens 41 includes a lens on a camera, a lens on a mobile phone, a lens on a video camera, and the like; the cameras include film cameras, digital cameras, plenilla cameras, and the like. The lens 41 is configured to generate an image signal upon receiving an intermediate optical signal, which is formed by the initial optical signal after passing through the cement sample 6. The advantages of energy saving, environmental protection and high detection precision are achieved by using light as a detection signal.
In an optional embodiment, the method for detecting cement quality further includes: a projection device 5 is provided between the signal transmitting device 3 and the signal receiving device 4. The projection device 5 may be a rolling curtain or other curtains. The above-described projection means 5 may be used for presenting an intermediate light signal. The initial light signal emitted from the light source of the signal emitting device 3 is converted into an intermediate light signal after penetrating through the cement sample 6, the projection of the intermediate light signal on the projecting device 5 includes a plurality of bright areas (not shown) and a plurality of shadow areas, and the lens 41 disposed on the signal receiving device 4 can effectively capture the bright areas and the shadow areas on the projecting device 5 and convert the captured bright areas and the shadow areas into image signals for later analysis and judgment.
And S4, providing an analysis device, wherein the analysis device is used for acquiring the target signal and obtaining the detection result of the cement sample according to the target signal.
In an alternative embodiment, the cement detection method comprises providing an analysis device (not shown), wherein a signal input terminal of the analysis device is connected to a signal output terminal of the signal receiving device 4. In one embodiment, the analysis device includes a fixed terminal or a mobile terminal with logic processing capability, and the fixed terminal includes a personal computer, a server or a server cluster, and the like; the mobile terminals include devices such as mobile phones and tablet computers, which are not listed here. The analysis device is used for obtaining the target signal and obtaining the detection result of the cement sample 6 according to the target signal.
In an optional embodiment, the method for detecting cement quality further includes: the analyzer is provided with a processor. The processor is operative to run or execute the operating system, various software programs, and its own instruction set stored in internal memory, and to process data and instructions received from the touch input device or from other external input pathways to perform various functions. The processor may include, but is not limited to, one or more of a Central Processing Unit (CPU), general purpose image processor (GPU), Microprocessor (MCU), Digital Signal Processor (DSP), Field Programmable Gate Array (FPGA), Application Specific Integrated Circuit (ASIC). In some embodiments, the processor and the memory controller may be implemented on a single chip. In some other embodiments, they may be implemented separately on separate chips from each other. The processor is used for acquiring the image signal and obtaining the detection result of the cement sample 6 according to the image signal.
In an alternative embodiment, the obtaining the detection result of the cement sample 6 according to the image signal includes: setting an area threshold value, wherein the area threshold value is not less than the orthographic projection area of qualified cement particles on a horizontal plane; identifying the area of each shadow region in the image signal, and taking the maximum value of the area of each shadow region; and comparing the maximum value with the area threshold value, and if the maximum value is not greater than the area threshold value, determining that the cement sample 6 is a qualified cement sample 6. By comparing the maximum value of the area of the shadow region in the image signal with the area threshold value, namely, the fineness of the cement is utilized to represent the quality of the cement, the advantages of convenience in acquisition and comparison and greatly improved detection precision are achieved.
In an alternative embodiment, the analysis apparatus may further include an input device, a memory, and an output device, the input device, the output device, and the memory being interconnected via a communication bus, the memory being configured to store a computer program, the computer program including program instructions, the processor being configured to invoke the program instructions; further, the processor is configured to call the program instructions to perform the steps of obtaining the detection result of the cement sample 6 according to the image signal according to the invention.
It will be appreciated that in embodiments of the invention, memory referred to may comprise both read-only memory and random-access memory, and provides instructions and data to the processor. The portion of memory may also include non-volatile random access memory. The memory may also store information regarding the type of device, for example.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. A cement quality detection method is characterized by comprising the following steps:
providing a conveying device, wherein the conveying device is used for conveying the cement sample and pouring the inspected sample to a recovery area;
providing a signal transmitting device, wherein the signal transmitting device is used for transmitting an initial signal before the cement sample reaches the recovery area;
providing a signal receiving device, wherein the signal receiving device is used for generating a target signal after receiving an intermediate signal, and the intermediate signal is formed after the initial signal passes through the cement sample;
and providing an analysis device, wherein the analysis device is used for acquiring the target signal and obtaining the detection result of the cement sample according to the target signal.
2. The cement quality inspection method according to claim 1, further comprising:
a plurality of containing areas are arranged on the conveying device, and the containing areas are used for containing cement samples of the same and/or different batches.
3. The cement quality inspection method according to any one of claims 1 to 2, further comprising:
and arranging a light source on the signal transmitting device, wherein the light source is used for transmitting an initial light signal before the cement sample reaches the recovery area.
4. The cement quality inspection method according to claim 3, further comprising:
and arranging a lens on the signal receiving device, wherein the lens is used for generating an image signal after receiving an intermediate light signal, and the intermediate light signal is formed after the initial light signal penetrates through the cement sample.
5. The cement quality inspection method according to claim 4, further comprising:
and arranging a processor on the analysis device, wherein the processor is used for acquiring the image signal and obtaining the detection result of the cement sample according to the image signal.
6. The method for detecting the quality of the cement according to claim 5, wherein the obtaining the detection result of the cement sample according to the image signal comprises:
setting an area threshold value, wherein the area threshold value is not less than the orthographic projection area of qualified cement particles on a horizontal plane;
identifying the area of each shadow area in the image signal, and taking the maximum value of the area of each shadow area;
and comparing the maximum value with the area threshold value, and if the maximum value is not greater than the area threshold value, determining that the cement sample is qualified.
7. A cement quality detection system, comprising:
the conveying device is used for conveying the cement sample and pouring the inspected sample to a recovery area;
a signal emitting device for emitting an initial signal before the cement sample reaches the recovery zone;
a signal receiving device for generating a target signal after receiving an intermediate signal, the intermediate signal being formed by the initial signal after passing through the cement sample;
and the analysis device is used for acquiring the target signal and obtaining the detection result of the cement sample according to the target signal.
8. The cement quality detection system of claim 7, further comprising:
a plurality of containing areas are arranged on the conveying device and are used for containing cement samples of the same and/or different batches.
9. The cement quality detection system according to any one of claims 7 to 8, further comprising:
and a light source is arranged on the signal transmitting device and is used for transmitting an initial light signal before the cement sample reaches the recovery area.
10. The cement quality detection system of claim 3, further comprising:
and a lens is arranged on the signal receiving device and used for generating an image signal after receiving an intermediate light signal, wherein the intermediate light signal is formed by the initial light signal after passing through the cement sample.
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