CN107271619A - The online test method of harmful substance, apparatus and system in edible oil heating process - Google Patents
The online test method of harmful substance, apparatus and system in edible oil heating process Download PDFInfo
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- CN107271619A CN107271619A CN201710474981.7A CN201710474981A CN107271619A CN 107271619 A CN107271619 A CN 107271619A CN 201710474981 A CN201710474981 A CN 201710474981A CN 107271619 A CN107271619 A CN 107271619A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
- G01N33/03—Edible oils or edible fats
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties
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Abstract
The invention discloses a kind of on-line measuring device of harmful substance in edible oil heating process, wherein, the on-line measuring device of harmful substance includes in the edible oil heating process：Detection module, detection module is used to obtain the index of quality in edible oil heating process and obtains index of quality signal, and wherein the index of quality includes humiture, the content of polar compound and gas componant and content；Processing module, processing module is used to judge whether the index of quality meets index request according to index of quality signal；And for when the index of quality does not meet the index request, sending alarm signal.The invention also discloses a kind of online test method of harmful substance in a kind of on-line detecting system of harmful substance in edible oil heating process and edible oil heating process.The on-line measuring device of harmful substance realizes the quick detection to food processing process in the edible oil heating process that the present invention is provided, it is to avoid some food for not meeting index request flow to market.
Description
Technical field
The present invention relates to harmful substance in technical field of food safety detection, more particularly to a kind of edible oil heating process
The on-line measuring device of harmful substance and including in edible oil heating process in online test method, a kind of edible oil heating process
The on-line detecting system of harmful substance in the edible oil heating process of the on-line measuring device of harmful substance.
Background technology
Edible oil is as oil for cooking, while food color, smell and taste are increased, and is also body energy, fat, required fat
Acid, the important sources of vitamin E.Although the fried bacterium that can be killed in food, extension shelf life storage, the wind of improvement food
Taste, the digestibility for strengthening food nutrient composition, but grease can be with the oxygen in air, moisture etc. when long-time is heated at high temperature
Generation is a series of chemically and physically to be changed, generation free fatty, non-saponified product, cyclic compound, dimer, trimer,
Polymer and hydrocarbon, aldehyde, ketone, furans, carboxylic acids volatile ingredient etc..The generation of these materials not only influences the mouthfeel of food,
Human body cell film, protein can also be damaged, have or even meeting is carcinogenic, seriously endangers the healthy of people.
Although national standard GB 7102.1-2003《Sanitary standard during edible vegetable oil frying》Define food plant
Index request during fry is fried, also gives the detection method of corresponding index.But carry out detection using national standard method and deposit
In many shortcomings, such as detection process is cumbersome, time length, has higher requirement to detection environment, delayed can not seriously monitor in real time
Food production process, these shortcomings cause national standard method to be not widely deployed for market.
Therefore, how to realize that the quick detection in food processing process turns into technical problem urgently to be resolved hurrily.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art, there is provided a kind of edible oil heating process
The on-line measuring device of harmful substance and including edible in the online test method of middle harmful substance, a kind of edible oil heating process
In oily heating process in the edible oil heating process of the on-line measuring device of harmful substance harmful substance on-line detecting system, with
Solve the problems of the prior art.
As the first aspect of the invention, there is provided a kind of on-line checking dress of harmful substance in edible oil heating process
Put, wherein, the on-line measuring device of harmful substance includes in the edible oil heating process：
Detection module, the detection module is used to obtain the index of quality in edible oil heating process and obtains index of quality letter
Number, wherein the index of quality includes humiture, the content of polar compound and gas componant and content；
Processing module, the processing module is used to judge whether the index of quality meets index according to the index of quality signal
It is required that；And for when the index of quality does not meet the index request, sending alarm signal.
Preferably, the detection module includes：
Collecting unit, the collecting unit is used to gather the index of quality in edible oil heating process in real time；
Memory cell, the memory cell is used to store the index of quality；
Processing unit, the processing unit is used to handle the index of quality progress to obtain index of quality signal.
Preferably, the collecting unit includes：
Temperature Humidity Sensor, the Temperature Humidity Sensor is used to gather environment temperature and environmental wet in edible oil heating process in real time
Degree；
Oil smoke sensor array, the oil smoke sensor array be used in real time gather edible oil heating process in gas component and
The content of each component；
Interdigital capacitor sensor, the interdigital capacitor sensor is used to gather the polar compound in edible oil heating process in real time.
Preferably, the detection module includes：
PTC thermal resistances, the PTC thermal resistances are connected with the interdigital capacitor sensor, and the PTC thermal resistances are edible for monitoring
Whether the oil temperature of oil, which meets detection, requires；
Power subsystem, the power module is connected with the processing unit, and the power module is used for for the detection module
Work provides power supply supply.
Preferably, the processing unit includes STM32 processors.
Preferably, the processing module includes：
Processor, the processor is connected with the detection module, and the processor is used to be sentenced according to the index of quality signal
Whether the index of quality of breaking meets index request, and for when the index of quality does not meet the index request, sending out
Go out alarm signal, the processor includes AM3352 processors；
USB interface, the USB interface is connected with the processor, the interface for providing data transfer；
Storage and expanding element, the storage is connected with expanding element with the processor, for store the index of quality with
And the function of the processor is extended according to extension demand；
Power control unit, the power control unit is connected with the processor, is carried for the work for the processing module
Power supply source is supplied.
As the second aspect of the invention, there is provided a kind of on-line checking system of harmful substance in edible oil heating process
System, wherein, the on-line detecting system of harmful substance is heated including previously described edible oil in the edible oil heating process
The on-line measuring device of harmful substance, the on-line measuring device channel radio with harmful substance in the edible oil heating process in journey
The server believed the host computer of connection and be connected with the host computer, the host computer is used to send online to the processing module
Detection instruction and the result for showing the processing module；The server is used for the place for storing the processing module
Manage result.
As the third aspect of the invention, there is provided a kind of on-line checking side of harmful substance in edible oil heating process
Method, wherein, the online test method of harmful substance includes in the edible oil heating process：
Obtain the index of quality in edible oil heating process and obtain index of quality signal, wherein the index of quality is including warm and humid
Degree, the content of polar compound and gas componant and content；
Judge whether the index of quality meets index request according to the index of quality signal；
When the index of quality does not meet the index request, alarm signal is sent.
Preferably, the index of quality obtained in edible oil heating process and wrap the step of obtain index of quality signal
Include：
The index of quality in edible oil heating process is gathered in real time；
Store the index of quality；
The index of quality progress is handled and obtains index of quality signal.
Preferably, it is described that the step of whether index of quality meets index request is judged according to the index of quality signal
Including：
According to as defined in the index of quality signal judges the humiture whether in index respectively in scope, the polarity is judged
The content of component whether as defined in index in scope and judge soot gas in the gas componant content whether refer to
As defined in mark in scope.
The on-line measuring device of harmful substance in the edible oil heating process that the present invention is provided, by heated to edible oil
The index of quality in journey is detected, and the index of quality signal after detection is handled to judge the food by processing module
Whether meet index request with oil, when not meeting index request, and alarm signal is sent, by the edible oil heating process
The on-line measuring device of harmful substance is realized to the detection in edible oil heating process, is obtained testing result and is fed back in time,
So as to realizing quick detection to food processing process, it is to avoid some food for not meeting index request flow to market.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute a part for specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
The structured flowchart of the on-line measuring device of harmful substance in the edible oil heating process that Fig. 1 provides for the present invention.
A kind of structured flowchart of the embodiment for the detection module that Fig. 2 provides for the present invention.
The structured flowchart of the another embodiment for the detection module that Fig. 3 provides for the present invention.
The structured flowchart for the processing module that Fig. 4 provides for the present invention.
The course of work signal of the on-line measuring device of harmful substance in the edible oil heating process that Fig. 5 provides for the present invention
Figure.
The structural representation of the on-line detecting system of harmful substance in the edible oil heating process that Fig. 6 provides for the present invention.
The flow chart of the online test method of harmful substance in the edible oil heating process that Fig. 7 provides for the present invention.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
As the first aspect of the invention, there is provided a kind of on-line checking dress of harmful substance in edible oil heating process
Put, wherein, as shown in figure 1, the on-line measuring device 10 of harmful substance includes in the edible oil heating process：
Detection module 110, the detection module 110 is used to obtain the index of quality in edible oil heating process and obtain quality to refer to
Signal is marked, wherein the index of quality includes humiture, the content of polar compound and gas componant and content；
Processing module 120, the processing module 120 is used to judge whether the index of quality accords with according to the index of quality signal
Close index request；And for when the index of quality does not meet the index request, sending alarm signal.
The on-line measuring device of harmful substance in the edible oil heating process that the present invention is provided, by heated to edible oil
The index of quality in journey is detected, and the index of quality signal after detection is handled to judge the food by processing module
Whether meet index request with oil, when not meeting index request, and alarm signal is sent, by the edible oil heating process
The on-line measuring device of harmful substance is realized to the detection in edible oil heating process, is obtained testing result and is fed back in time,
So as to realizing quick detection to food processing process, it is to avoid some food for not meeting index request flow to market.
As a kind of specifically embodiment, in order to realize the detection function of the detection module 110, as shown in Fig. 2 institute
Stating detection module 110 includes：
Collecting unit 111, the collecting unit 111 is used to gather the index of quality in edible oil heating process in real time；
Memory cell 112, the memory cell 112 is used to store the index of quality；
Processing unit 113, the processing unit 113 is used to handle the index of quality progress to obtain index of quality signal.
Further, in order to realize the acquisition function of the collecting unit 111, the collecting unit 111 includes：
Temperature Humidity Sensor, the Temperature Humidity Sensor is used to gather environment temperature and environmental wet in edible oil heating process in real time
Degree；
Oil smoke sensor array, the oil smoke sensor array be used in real time gather edible oil heating process in gas component and
The content of each component；
Interdigital capacitor sensor, the interdigital capacitor sensor is used to gather the polar compound in edible oil heating process in real time.
It is understood that the detection function in order to realize the detection module 110, as shown in figure 3, the detection module
110 include：
PTC thermal resistances 114, the PTC thermal resistances 114 are connected with the interdigital capacitor sensor, and the PTC thermal resistances are used to supervise
Whether the oil temperature for surveying edible oil meets detection requirement；
Power subsystem 115, the power module 115 is connected with the processing unit 113, and the power module is used to be the inspection
The work for surveying module provides power supply supply.
Specifically, the Temperature Humidity Sensor can measuring environment temperature and ambient humidity, wherein, the wet sensing of the temperature
The measurement range of device is temperature -40 ~ 80 DEG C, humidity 0 ~ 99.9%, and temperature is 0.1 DEG C in measurement accuracy, and humidity is 3%；The oil
Smoke sensor array can measure the gas component in edible oil heating process, and obtain the content of each component after treatment,
The measurement range of the oil smoke sensor array is 0 ~ 30ppm；It is heated that the interdigital capacitor sensor can measure edible oil
Polar compound in journey, wherein the measurement range of the interdigital capacitor sensor is 0 ~ 50%, resolution ratio ± 0.1%；The PTC heat
The measurement range of resistance is 0 ~ 200 DEG C, measurement accuracy ± 0.1 DEG C.
It should be noted that when edible oil is heated for a long time, oily total dielectric constant contains with polar compound in oil
The increase of amount and increase, inter-digital capacitor output capacitance changes therewith.
Preferably, the processing unit includes STM32 processors.The STM32 processors are based on high performance ARM kernels,
Dominant frequency 72MHz, integrated multipath UART, are communicated by RS485 interface chips available for RS485, are collected with to send sensor
Data are to processing module.
It is understood that because temperature of the edible oil in heating process is very high, far above the normal work of sensor
Temperature, so sensing system should not directly be contacted with frying oil.Before detection sample enters the collecting unit, tackle it and enter
Row cooling is handled.Sample after cooling processing first passes through the interdigital capacitors sensor, when the polar compound in frying oil increases
When many, dielectric constant will become big, and the capacitance measured by the interdigital capacitors sensor will become big.Electric capacity value signal is passed through
The STM32 processors are transmitted to after crossing the processing such as filtering, amplification, rectification.The oil smoke sensor array is different by one group of detection
The sensor group of gas is into the content for detecting gas with various in oil smoke gathers and analyzed oil smoke by gas sensor
Composition and content, finally by transmitting measured values to the STM32 processors.The Temperature Humidity Sensor is mainly used to detect environment
Influence of the temperature and humidity to frying oil quality.The data summarization that three kinds of different sensors are measured in the STM32 processors,
The processing module is sent to by the STM32 processors.
It should be appreciated that before detection sample enters the collecting unit, cooling processing should be carried out to it, and for temperature
Whether degree drops to OK range, can be detected by the PTC thermal resistances being connected with the interdigital capacitor sensor, when detection sample
When the temperature of product is too high, because PTC thermal resistances are the thermistors of positive temperature coefficient, its resistance value is almost with temperature rise
In increasing for phase step type, so the interdigital capacitor sensor can be disconnected, so as to play the work of protection interdigital capacitor sensor
With.
The index of quality signal that the detection module 110 is detected reaches the processing module 120, specifically, such as Fig. 4 institutes
Show, the processing module 120 includes：
Processor 121, the processor 121 is connected with the detection module 110, and the processor 121 is used for according to the product
Matter index signal judges whether the index of quality meets index request, and for not meeting the finger when the index of quality
When mark is required, alarm signal is sent, the processor includes AM3352 processors；
Usb 1 22, the usb 1 22 is connected with the processor 121, the interface for providing data transfer；
Storage and expanding element 123, the storage is connected with expanding element 123 with the processor 121, for storing the product
Matter index and the function of the processor is extended according to extension demand；
Power control unit 124, the power control unit 124 is connected with the processor 121, for for the processing module
Work provide power supply supply.
Specifically, the processing module uses AM3352 processors of the TI based on ARM Cortex A8 frameworks, the AM3352
Processor is based on high performance ARM kernels, dominant frequency 600MHz, integrated NEON coprocessors, available for computing extension；The AM3352
Processor peripheral hardware enriches very much, integrated DDR controller and NAND controller, for storing extension；Integrated multipath UART, passes through
RS485 interface chips communicate available for RS485, to obtain the data that the collecting unit is collected；Integrated USB interface, is used for
USB-WIFI extends, and completes the connection with server or display device.
It should be noted that the processing module 120 includes memory, the processing module 120 uses 256MB DDR
3 SDRAM and 256MB NAND FLASH for operating system and application program storage and execution.
It should also be noted that, the processing unit 113 in the detection module 110 and the place in the processing module 120
Reason device 121 is connected by RS485 interfaces, wherein the RS485 interfaces are mainly used in the serial communication of long range, and according to serial ports
Integrated situation, is converted to 485 interface signals by UART chip using MAXIM RS485 chips, realizes the transmission of measurement data.
It is used as the course of work of the on-line measuring device of harmful substance in the edible oil heating process, specifically, such as Fig. 5
It is shown, enter start handling process after the on-line measuring device power-up of harmful substance in the edible oil heating process：The inspection
Module is surveyed load and self-inspection；The processing module carries out the integrity verification of Uboot and linux kernel, after being verified
Loaded；The processing module carries out System self-test, and with the processing unit in the detection module carry out RS485 shake hands it is logical
Letter, while the processing module also carries out network handshake communication with server system, so far starting procedure terminates.
In the edible oil heating process after the completion of the on-line measuring device start of harmful substance, into workflow.Institute
State the application program in processing module and open corresponding RS485 interfaces in each described detection module, and complete to shake hands.The place
Module is managed according to measurement data type classification tissue respective request packet, respective request bag is then write into RS485 interfaces, institute
State detection module and receive after command request bag the dissection process on STM32 processors, STM32 processors are received at collecting unit
Take tissue reply data bag, the application write back to by RS485 interfaces in the processing module, the processing module after measured value
Program parses response bag and separates measurement data part, realizes a DATA REASONING operation.
It should be noted that the processor in the processing module is in the warm and humid number of degrees collected to the collecting unit
When being handled according to, the content of polar compound and gas componant and content, by judging the environment temperature and the environment
Whether humidity meets index request, and whether the content of polar compound meets index request and by handling gas component
Whether obtained oil smoke component and oil smoke content meets index request etc. to judge whether the edible oil is qualified, when judged result is
When each index of quality does not meet index request, then alarm signal is sent, to remind staff that the edible oil does not meet index
It is required that, stop continuing to process.
It should be appreciated that wherein described index request is referred to GB 7102.1-2003《Edible vegetable oil is fried
During sanitary standard》In provide accordingly.
Therefore, in the edible oil heating process that provides of the present invention harmful substance on-line measuring device, using sensor come
The data such as polar compound, oil smoke composition and content, humiture during detection edible oil frying, realize many of frying oil quality
Orientation detection.Lead to by being detected to the index of quality in edible oil heating process, and by the index of quality signal after detection
Cross processing module to be handled to judge whether the edible oil meets index request, when not meeting index request, and send report
Alert signal, is realized in edible oil heating process by the on-line measuring device of harmful substance in the edible oil heating process
Detection, obtains testing result and simultaneously feeds back in time, so as to realize the quick detection to food processing process, it is to avoid some do not meet
The food of index request flows to market.
As the second aspect of the invention, there is provided a kind of on-line checking system of harmful substance in edible oil heating process
System, wherein, as shown in fig. 6, the on-line detecting system 1 of harmful substance includes previously described food in the edible oil heating process
With the on-line measuring device 10 of harmful substance, the online inspection with harmful substance in the edible oil heating process in oily heating process
Survey the host computer 20 and the server 30 that be connected with the host computer of the wireless communication connection of device 10, the host computer 20 for
The processing module sends on-line checking instruction and the result for showing the processing module；The server 30 is used
In the result for storing the processing module.
The on-line detecting system of harmful substance, food is detected using sensor in the edible oil heating process that the present invention is provided
Fry it is fried during polar compound, the data such as oil smoke composition and content, humiture, realize the multi-faceted inspection of frying oil quality
Survey.The on-line detecting system collection frying oil quality monitoring of harmful substance, data are adopted in the edible oil heating process that the present invention is provided
Collection, data processing and one is transmitted in, can be real-time to the generation of the high fatty foods process nuisance of food processing enterprises
Detection and feedback, while scientific basis can be provided for the food-safe supervision of food and medicine surveillance authority, then by counting greatly
According to analysis, reliable and stable measurement mathematical modeling and feedback mechanism are set up, to realize the quick detection and work of food processing process
Skill, which is improved, provides real-time data analysis.
Specifically, in the host computer 20 and the edible oil heating process between the on-line measuring device 10 of harmful substance
Carried out data transmission by way of radio communication, the radio communication is preferably WI-FI communications.
In the edible oil heating process that the present invention is provided in the on-line detecting system of harmful substance, the detection module passes through
RS485 interfaces are connected with the processing module, and the processing module inquires the detection module by RS485 interfaces, to obtain
The measurement data of collecting unit, the host computer is sent to after being pre-processed by WI-FI radio communications, in the host computer
It is sent on far-end server and shows after the completion of upper processing, or is shown in the equipment such as mobile phone plane plate.The edible oil heating
During harmful substance on-line measuring device integrated WI-FI focuses function simultaneously, band WI-FI functions sensing can be directly connected to
Device and terminal and flat panel display equipment.
It should be appreciated that processing module in the edible oil heating process in the on-line measuring device of harmful substance
Major function is the measurement data collected by each sensor in detection module described in RS485 interfaces, and reply is adopted
The measurement data collected is handled, and when detecting a certain index in frying oil and being above standard, can send alarm and reminding
The edible oil that operator more renews.Then sensing data is sent to by server by WIFI wireless communication modules.So take
Device be engaged in the case where receiving mass data, is analyzed by big data, reliable mathematical modeling can be set up, to realize that food adds
The quick detection and process modification of work process provide real-time data analysis.
The on-line detecting system of harmful substance is by the way that frying oil quality is examined in the edible oil heating process that the present invention is provided
Survey, data acquisition, data processing, data transfer it is integrated with it is integral, it is whole detecting system small volume, lightweight, while can detect
Multiple indexs of frying oil；The other detecting system can also realize that frying oil quality is quick, accurate effective on-line checking, and
The requirement that food processing factory and supervision department monitor in real time to frying oil quality can be met, while can be food and medicine surveillance authority
Food-safe supervision provides scientific basis, is then analyzed by big data, set up reliable and stable measurement mathematical modeling and
Feedback mechanism, to realize that the quick detection and process modification of food processing process provide real-time data analysis.
As the third aspect of the invention, there is provided a kind of on-line checking side of harmful substance in edible oil heating process
Method, wherein, as shown in fig. 7, the online test method of harmful substance includes in the edible oil heating process：
S110, the index of quality in acquisition edible oil heating process simultaneously obtain index of quality signal, wherein the index of quality bag
Include humiture, the content of polar compound and gas componant and content；
S120, according to the index of quality signal judge whether the index of quality meets index request；
S130, when the index of quality does not meet the index request, send alarm signal.
The online test method of harmful substance in the edible oil heating process that the present invention is provided, by heated to edible oil
The index of quality in journey is detected, and the index of quality signal after detection is handled to judge the food by processing module
Whether meet index request with oil, when not meeting index request, and alarm signal is sent, by the edible oil heating process
The on-line measuring device of harmful substance is realized to the detection in edible oil heating process, is obtained testing result and is fed back in time,
So as to realizing quick detection to food processing process, it is to avoid some food for not meeting index request flow to market.
Specifically, the index of quality obtained in edible oil heating process and wrap the step of obtain index of quality signal
Include：
The index of quality in edible oil heating process is gathered in real time；
Store the index of quality；
The index of quality progress is handled and obtains index of quality signal.
It is described to judge that the step of whether index of quality meets index request includes according to the index of quality signal：
According to as defined in the index of quality signal judges the humiture whether in index respectively in scope, the polarity is judged
The content of component whether as defined in index in scope and judge soot gas in the gas componant content whether refer to
As defined in mark in scope.
Particular content on the online test method of harmful substance in the edible oil heating process that provides of the present invention can be with
With reference to description hereinbefore, here is omitted.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the invention is not limited in this.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. the on-line measuring device of harmful substance in a kind of edible oil heating process, it is characterised in that the edible oil is heated
The on-line measuring device of harmful substance includes in journey：
Detection module, the detection module is used to obtain the index of quality in edible oil heating process and obtains index of quality letter
Number, wherein the index of quality includes humiture, the content of polar compound and gas componant and content；
Processing module, the processing module is used to judge whether the index of quality meets index according to the index of quality signal
It is required that；And for when the index of quality does not meet the index request, sending alarm signal.
2. the on-line measuring device of harmful substance in edible oil heating process according to claim 1, it is characterised in that institute
Stating detection module includes：
Collecting unit, the collecting unit is used to gather the index of quality in edible oil heating process in real time；
Memory cell, the memory cell is used to store the index of quality；
Processing unit, the processing unit is used to handle the index of quality progress to obtain index of quality signal.
3. the on-line measuring device of harmful substance in edible oil heating process according to claim 2, it is characterised in that institute
Stating collecting unit includes：
Temperature Humidity Sensor, the Temperature Humidity Sensor is used to gather environment temperature and environmental wet in edible oil heating process in real time
Degree；
Oil smoke sensor array, the oil smoke sensor array be used in real time gather edible oil heating process in gas component and
The content of each component；
Interdigital capacitor sensor, the interdigital capacitor sensor is used to gather the polar compound in edible oil heating process in real time.
4. the on-line measuring device of harmful substance in edible oil heating process according to claim 3, it is characterised in that institute
Stating detection module includes：
PTC thermal resistances, the PTC thermal resistances are connected with the interdigital capacitor sensor, and the PTC thermal resistances are edible for monitoring
Whether the oil temperature of oil, which meets detection, requires；
Power subsystem, the power module is connected with the processing unit, and the power module is used for for the detection module
Work provides power supply supply.
5. the on-line measuring device of harmful substance in edible oil heating process as claimed in any of claims 2 to 4,
Characterized in that, the processing unit includes STM32 processors.
6. the on-line measuring device of harmful substance in edible oil heating process according to claim 1, it is characterised in that institute
Stating processing module includes：
Processor, the processor is connected with the detection module, and the processor is used to be sentenced according to the index of quality signal
Whether the index of quality of breaking meets index request, and for when the index of quality does not meet the index request, sending out
Go out alarm signal, the processor includes AM3352 processors；
USB interface, the USB interface is connected with the processor, the interface for providing data transfer；
Storage and expanding element, the storage is connected with expanding element with the processor, for store the index of quality with
And the function of the processor is extended according to extension demand；
Power control unit, the power control unit is connected with the processor, is carried for the work for the processing module
Power supply source is supplied.
7. the on-line detecting system of harmful substance in a kind of edible oil heating process, it is characterised in that the edible oil is heated
The on-line detecting system of harmful substance includes having in the edible oil heating process in claim 1 to 6 described in any one in journey
The on-line measuring device of evil material, the on-line measuring device wireless communication connection with harmful substance in the edible oil heating process
Host computer and the server that is connected with the host computer, the host computer, which is used to sending on-line checking to the processing module, to be referred to
Order and the result for showing the processing module；The server is used for the processing knot for storing the processing module
Really.
8. the online test method of harmful substance in a kind of edible oil heating process, it is characterised in that the edible oil is heated
The online test method of harmful substance includes in journey：
Obtain the index of quality in edible oil heating process and obtain index of quality signal, wherein the index of quality is including warm and humid
Degree, the content of polar compound and gas componant and content；
Judge whether the index of quality meets index request according to the index of quality signal；
When the index of quality does not meet the index request, alarm signal is sent.
9. the online test method of harmful substance in edible oil heating process according to claim 8, it is characterised in that institute
State the index of quality obtained in edible oil heating process and include the step of obtaining index of quality signal：
The index of quality in edible oil heating process is gathered in real time；
Store the index of quality；
The index of quality progress is handled and obtains index of quality signal.
10. the online test method of harmful substance in edible oil heating process according to claim 8, it is characterised in that
It is described to judge that the step of whether index of quality meets index request includes according to the index of quality signal：
According to as defined in the index of quality signal judges the humiture whether in index respectively in scope, the polarity is judged
The content of component whether as defined in index in scope and judge soot gas in the gas componant content whether refer to
As defined in mark in scope.
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