CN103575656A - Mobile device and method for detecting illegal cooking oil by utilizing mobile device - Google Patents
Mobile device and method for detecting illegal cooking oil by utilizing mobile device Download PDFInfo
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Abstract
The invention provides a mobile device used for detecting illegal cooking oil. The mobile device comprises a light emitting module, a photoelectric sensor and an analysis module, wherein the light emitting module is used for emitting light to a to-be-detected oil product; the photoelectric sensor is used for receiving the light reflected by heavy metal in the to-be-detected oil product and generating a reflection signal according to the reflected light; and the analysis module is used for judging whether the content value of the heavy metal of the to-be-detected oil product is out of limits according to the reflected light obtained by the photoelectric sensor and a presupposed threshold value, if the content value of the heavy metal is out of limits, the to-be-detected oil product is judged to be the illegal cooking oil, wherein the presupposed threshold value is obtained by calculating light reflection of an edible oil product. By utilizing the mobile device, the illegal cooking oil can be detected simply and quickly, and the detection is also free. The invention also provides a method for detecting the illegal cooking oil by the mobile device.
Description
Technical field
The present invention relates to mobile communication technology field, particularly a kind of mobile device for detection of waste oil and the method that detects waste oil by mobile device.
Background technology
It is one of waste oil principal character that content of beary metal exceeds standard.Waste oil reclaim and process in because being polluted, or introduce heavy metal after contacting metal vessel, therefore, heavy metal likely becomes waste oil feature chemical composition.In prior art, through decolouring, processing 15 heavy metal species in waste oil sample and commercially available rapeseed oil, peanut oil, peanut blending stock measures, element of Fe, Pb, Cr, Zn, Mn content in waste oil is very high, and wherein Pb, Cr content obviously exceed grain and oil based food tolerance limit.
The a kind of of prior art proposition detects waste oil by chemical method, and it is to be placed in porcelain crucible by accurately taking sample, adds nitric acid, and first little fire carbonization on adjustable electric hot plate is extremely smokeless, then moves into 550 ℃ of ashing of muffle furnace to canescence; Wherein the w/v of testing sample and nitric acid is 1:1.Then with 0.5mol/L nitric acid, ash content is dissolved, be transferred in 25ml color comparison tube, color comparison tube is settled to after scale, with icp ms, measure the content of its Heavy Metals element.By comparative measurements result, can judge in this sample, whether to be mixed with waste oil.ICP-MS(Inductively Coupled Plasma Mass Spectrometry, inductivity coupled plasma mass spectrometry) method can detect the nearly all element in edible oil simultaneously, sensitivity is also higher, has also solved the problem that can not accurately detect for the lower edible oil sample of waste oil content simultaneously.
But, because said method need to be used icp ms and measures its major metal constituent content, so in daily life, or while eating out, can not accomplish conveniently, detect in time, and testing cost is expensive.
Summary of the invention
Object of the present invention is intended at least solve one of above-mentioned technological deficiency.
For this reason, first object of the present invention is to propose a kind of mobile device for detection of waste oil, can detect simply, rapidly waste oil.
Second object of the present invention is also to propose a kind of method that detects waste oil by mobile device.
For achieving the above object, the mobile device for detection of waste oil that the one side of the embodiment of the present invention proposes, comprising: light emitting module, for to oil product emission of light to be detected; Photoelectric sensor, for receiving the light of described oil product heavy metal reflection to be detected, and generates reflected signal according to the light of described reflection; And analysis module, for oil product content of beary metal value to be detected described in the reflected signal that obtains according to described photoelectric sensor and default threshold decision, whether exceed standard, if described content of beary metal value exceeds standard, judge that described oil product to be detected is waste oil, wherein, described default threshold value is calculated and is obtained according to the light reflection of edible oil product.
According to the mobile device for detection of waste oil of the embodiment of the present invention, need to be by means of the complex instrument in laboratory, but use mobile device judge whether edible oil is waste oil, make the detection can be convenient, fast, accurate, but also be free.
For achieving the above object, the second aspect of the embodiment of the present invention also proposes a kind of method that detects waste oil by mobile device, comprises the following steps: to oil product emission of light to be detected; Receive the light of heavy metal reflection in described oil product to be detected, and generate reflected signal according to the light of described reflection; According to content of beary metal value in oil product to be detected described in described reflected signal and default threshold decision, whether exceed standard; If described content of beary metal value exceeds standard, judge that described oil product to be detected is waste oil, wherein, described default threshold value is calculated and is obtained according to the light reflection of edible oil product.
According to the embodiment of the present invention by mobile device, detect the method for waste oil, avoided use chemical means, but by judging with mobile device whether edible oil is waste oil, and the method is more convenient, faster, more accurate.
The aspect that the present invention is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage will become from the following description of the accompanying drawings of embodiments and obviously and easily understand, wherein:
Fig. 1 is according to the structural representation of the mobile device for detection of waste oil of the embodiment of the present invention;
Fig. 2 is according to the structural representation of the mobile phone for detection of waste oil of the embodiment of the present invention;
Fig. 3 detects the process flow diagram of the method for waste oil according to the embodiment of the present invention by mobile device; And
Fig. 4 detects the process flow diagram of the method for waste oil according to the embodiment of the present invention by mobile phone.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
Disclosing below provides many different embodiment or example to be used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and object clearly, itself do not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique the invention provides and the example of material, but those of ordinary skills can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, First Characteristic described below Second Characteristic it " on " structure can comprise that the first and second Characteristics creations are for the direct embodiment of contact, also can comprise the embodiment of other Characteristics creation between the first and second features, such the first and second features may not be direct contacts.
In description of the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be to be directly connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
With reference to description and accompanying drawing below, these and other aspects of embodiments of the invention will be known.These describe and accompanying drawing in, specifically disclose some particular implementation in embodiments of the invention, represent to implement some modes of the principle of embodiments of the invention, still should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise spirit and all changes within the scope of intension, modification and the equivalent that falls into additional claims.
Describe with reference to the accompanying drawings according to the mobile device for detection of waste oil of the embodiment of the present invention and by mobile device, detect the method for waste oil.
As shown in Figure 1, the mobile device for detection of waste oil that the first aspect of the embodiment of the present invention proposes comprises light emitting module 101, photoelectric sensor 102 and analysis module 103.
Wherein, light emitting module 101 is for to oil product emission of light to be detected.And mobile device can be the mobile terminal for communicating by letter such as mobile phone, panel computer etc.
In an example of the present invention, light emitting module 101 can be a light emitting diode in mobile phone, for example the light emitting diode D1090 in Fig. 2.It should be noted that, light emitting module 101 can be for can forming the equipment of the light of reflection to heavy metal arbitrarily.
The light that photoelectric sensor 102 reflects for receiving oil product heavy metal to be detected, and generate reflected signal according to the light of reflection.Whether analysis module 103 is for exceeding standard according to the reflected signal of photoelectric sensor 102 acquisitions and default threshold decision oil product content of beary metal to be detected value, if content of beary metal value exceeds standard, judge that oil product to be detected is waste oil, wherein, default threshold value is calculated and is obtained according to the light reflection of testing the edible oil product of use in test.In one embodiment of the invention, reflected signal is light reflection strength signal.
For example, in an embodiment of the present invention, can to various edible oil products, test in advance, determine the edible normal reflected signal scope of oil product, and using the higher limit of this scope as default threshold value, this threshold value be light reflection intensity threshold in this case.Certainly in other embodiments of the invention, default threshold value also can be relevant to content of beary metal value, first according to reflected signal, calculate the content of beary metal value in oil product to be detected, and then compare with default threshold value, thereby determine net result, this threshold value is content of beary metal threshold value in this case, and its judgement principle is consistent with above-described embodiment, therefore repeats no more.In an example of the present invention, analysis module 103 can be the CPU(Central Processing Unit in mobile terminal, central processing unit).
In one embodiment of the invention, as shown in Figure 2, photoelectric sensor 102 comprises reception diode PD(Proximity sensor Diode, Proximity Sensor diode) and buffer (buffer) 201.Wherein, buffer 201 is 16 bit data memory buffer (16bits Date Buffer).
Particularly, as shown in Figure 2, can by mobile device for example the reception diode PD in mobile phone be integrated in the middle of photoelectric sensor 102.First the illumination emitting by light emitting diode D1090 is mapped to above oil product A to be detected, and the light reflection of the heavy metal in oil product A to be measured is to reception diode PD, and reception diode PD processes the reflection ray receiving to generate reflected signal.Buffer 201 is for being converted to described reflected signal reflection strength signal or content of beary metal signal buffer memory, wherein, the content of beary metal value in the corresponding oil product to be detected of reflection strength signal, default threshold value is reflection strength threshold value or content of beary metal threshold value.
In buffer 201, store the content of beary metal threshold value of the light of oil product to be detected, default threshold value, for example, be 1000.This default threshold value is stored with binary mode, and for example 1111111011110100.
In addition, as shown in Figure 2, photoelectric sensor 102 also comprises low-pass filtering module (Low Pass Filter) 202.Low-pass filtering module 202 is connected with buffer 201 with reception diode PD respectively, for filtering the undesired signal of the reflected signal of reception diode PD generation.202 pairs of reflected signals of low-pass filtering module carry out low-pass filter, remove undesired signal, and then the CPU in mobile phone carries out logic control by I2C bus (I2C Bus Logic Control) 203.
That is to say, in one embodiment of the invention, the illumination emitting by the special light emitting diode from mobile phone is mapped to above oil product to be measured, through heavy metal, reflex to the reception diode in mobile phone, thereby cause the numerical value of buffer to change, therefore analysis module 103 judges reflected signal size by reading the variation of double byte value in buffer, by mobile phone CPU, is then that analysis module 103 accurately calculates content of beary metal.Content of beary metal value and default threshold value are compared, if content overproof, just explanation is waste oil, otherwise not, that just can relievedly use.
That is to say, the reflection ray that reception diode PD receives has caused the numerical value of 16 bit data memory buffer (16bits Date Buffer) that variation has occurred, such as numerical value is altered to 1011101011110100 from 1111111011110100.CPU in mobile phone calculates the content of beary metal value of oil product A to be measured according to numerical value change, such as being 1011101011110100, corresponding content is 562, then compares with the edible oil content of beary metal threshold value of storage inside, if do not exceeded standard, oil product to be measured is not waste oil.Although in this embodiment, take and store content of beary metal threshold value in buffer 201 and be described as example, in other embodiments, also can store reflection strength threshold value, its principle is identical with content of beary metal threshold value, does not therefore repeat them here.
In sum, the illumination emitting from the special light emitting diode D1090 of photoelectric sensor 102 is mapped to above oil product A to be measured, through heavy metal, reflex to reception diode PD, and then cause the numerical value of buffer 201 to change, and therefore by reading the variation of the double byte value of buffer 201, judge reflection strength size, then by mobile phone CPU, accurately calculate content of beary metal, if content overproof, just explanation is waste oil, otherwise, just can relievedly use.
According to the mobile device for detection of waste oil of the embodiment of the present invention, need to be by means of the complex instrument in laboratory, but use mobile device judge whether edible oil is waste oil, make the detection can be convenient, fast, accurate, but also be free.
As shown in Figure 3, what the second aspect of the embodiment of the present invention also proposed detects the method for waste oil by mobile device, comprises the following steps:
S301, to oil product emission of light to be detected.
Wherein, mobile device is mobile terminal such as the mobile phone for communicating by letter, panel computer etc.
S302, receives the light of heavy metal reflection in oil product to be detected, and generates reflected signal according to the light of reflection.Particularly, according to the light of reflection, generate reflected signal, and reflected signal is converted to reflection strength signal or content of beary metal signal buffer memory, wherein, content of beary metal value in the corresponding oil product to be detected of reflection strength signal, default threshold value can be reflection strength threshold value or content of beary metal threshold value.
Whether S303, exceed standard according to reflected signal and default threshold decision content of beary metal value.
S304, if content of beary metal value exceeds standard, judges that oil product to be detected is waste oil.Wherein, default threshold value is calculated and is obtained according to the light reflection of edible oil product.
S305, if content of beary metal value does not exceed standard, judges that oil product to be detected is not waste oil.
And in one embodiment of the invention, after this reflected signal of buffer memory, the method also comprises: reflected signal is carried out to low-pass filtering to remove the undesired signal in reflected signal.
Particularly, in one embodiment of the invention, as shown in Figure 4, the method that detects waste oil by mobile phone comprises the following steps:
S401, the illumination emitting by the light emitting diode D1090 in mobile phone is mapped to above edible oil product.
S402, calculates and obtains a default threshold value according to the light reflection of edible oil product, and edible oil content of beary metal threshold value, for example, be 1000, with 16 bit data buffer PD 16bits Date Buffer, stores its numerical value, is 1111111011110100.
S403, irradiates oil product to be measured by the light emitting diode D1090 in mobile phone.
S404, the light reflection of the heavy metal in oil product to be measured is to the reception diode PD in photoelectric sensor, and generates reflected signal.
S405, PD caused the numerical value of the reflected signal of 16 bit data buffer PD 16bits Date Buffer that variation has occurred, such as numerical value is altered to 1011101011110100 from 1111111011110100.
S406, calculates the value of oil product content of beary metal to be measured according to numerical value change, such as being 1011101011110100, corresponding content is 562.
S407, compares with the predetermined threshold value of storage inside.This predetermined threshold value as above can be also content of beary metal threshold value of light reflection intensity threshold.
S408, if be greater than predetermined threshold value, content of beary metal value exceeds standard, and judges that oil product to be detected is waste oil.
S409, if be less than predetermined threshold value, content of beary metal value does not exceed standard, and judges that oil product to be detected is not waste oil.
For example, in above example, 562 are less than 1000, show that content of beary metal value does not exceed standard, so oil product to be measured is not waste oil.
According to the embodiment of the present invention by mobile device, detect the method for waste oil, avoided use chemical means, but by judging with mobile device whether edible oil is waste oil, and the method is more convenient, faster, more accurate.
In process flow diagram or any process of otherwise describing at this or method describe and can be understood to, represent to comprise that one or more is for realizing module, fragment or the part of code of executable instruction of the step of specific logical function or process, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by contrary order, carry out function, this should be understood by embodiments of the invention person of ordinary skill in the field.
The logic and/or the step that in process flow diagram, represent or otherwise describe at this, for example, can be considered to for realizing the sequencing list of the executable instruction of logic function, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise that the system of processor or other can and carry out the system of instruction from instruction execution system, device or equipment instruction fetch), use, or use in conjunction with these instruction execution systems, device or equipment.With regard to this instructions, " computer-readable medium " can be anyly can comprise, storage, communication, propagation or transmission procedure be for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically of computer-readable medium (non-exhaustive list) comprises following: the electrical connection section (electronic installation) with one or more wirings, portable computer diskette box (magnetic device), random-access memory (ram), ROM (read-only memory) (ROM), the erasable ROM (read-only memory) (EPROM or flash memory) of editing, fiber device, and portable optic disk ROM (read-only memory) (CDROM).In addition, computer-readable medium can be even paper or other the suitable medium that can print described program thereon, because can be for example by paper or other media be carried out to optical scanning, then edit, decipher or process in electronics mode and obtain described program with other suitable methods if desired, be then stored in computer memory.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, a plurality of steps or method can realize with being stored in storer and by software or the firmware of suitable instruction execution system execution.For example, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: have for data-signal being realized to the discrete logic of the logic gates of logic function, the special IC with suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is to come the hardware that instruction is relevant to complete by program, described program can be stored in a kind of computer-readable recording medium, this program, when carrying out, comprises step of embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, can be also that the independent physics of unit exists, and also can be integrated in a module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.If described integrated module usings that the form of software function module realizes and during as production marketing independently or use, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium of mentioning can be ROM (read-only memory), disk or CD etc.
In the description of this instructions, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.
Claims (9)
1. for detection of a mobile device for waste oil, it is characterized in that, comprising:
Light emitting module, for to oil product emission of light to be detected;
Photoelectric sensor, for receiving the light of described oil product heavy metal reflection to be detected, and generates reflected signal according to the light of described reflection; And
Analysis module, for oil product content of beary metal value to be detected described in the reflected signal that obtains according to described photoelectric sensor and default threshold decision, whether exceed standard, if described content of beary metal value exceeds standard, judge that described oil product to be detected is waste oil, wherein, described default threshold value is calculated and is obtained according to the light reflection of edible oil product.
2. the mobile device for detection of waste oil as claimed in claim 1, is characterized in that, described photoelectric sensor comprises:
Reception diode, for receiving the light of described oil product heavy metal reflection to be detected, and generates reflected signal according to the light of described reflection;
Buffer, for described reflected signal is converted to reflection strength signal or content of beary metal signal buffer memory, wherein, the content of beary metal value in the corresponding described oil product to be detected of described reflection strength signal, described default threshold value is reflection strength threshold value or content of beary metal threshold value.
3. the mobile device for detection of waste oil as claimed in claim 2, is characterized in that, described photoelectric sensor also comprises:
Low-pass filtering module, described low-pass filtering module is connected with described buffer with described reception diode respectively, for filtering the undesired signal of the reflected signal of described reception diode generation.
4. the mobile device for detection of waste oil as claimed in claim 1, is characterized in that, described mobile device is the mobile terminal for communicating by letter.
5. the mobile device for detection of waste oil as claimed in claim 1, is characterized in that, described light emitting module is light emitting diode.
6. by mobile device, detect a method for waste oil, it is characterized in that, comprise the following steps:
To oil product emission of light to be detected;
Receive the light of heavy metal reflection in described oil product to be detected, and generate reflected signal according to the light of described reflection;
According to content of beary metal value in oil product to be detected described in described reflected signal and default threshold decision, whether exceed standard;
If described content of beary metal value exceeds standard, judge that described oil product to be detected is waste oil, wherein, described default threshold value is calculated and is obtained according to the light reflection of edible oil product.
7. method as claimed in claim 6, is characterized in that, the described generation of the light according to reflection reflected signal further comprises:
According to the light of reflection, generate reflected signal;
Described reflected signal is converted to reflection strength signal or content of beary metal signal buffer memory, wherein, the content of beary metal value in the corresponding described oil product to be detected of described reflection strength signal, described default threshold value is reflection strength threshold value or content of beary metal threshold value.
8. method as claimed in claim 7, is characterized in that, after reflected signal described in buffer memory, also comprises:
Described reflected signal is carried out to low-pass filtering to remove the undesired signal in described reflected signal.
9. method as claimed in claim 6, is characterized in that, described mobile device is the mobile terminal for communicating by letter.
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