CN108982780B - Crop safety detection method and device and terminal - Google Patents
Crop safety detection method and device and terminal Download PDFInfo
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- CN108982780B CN108982780B CN201811089632.4A CN201811089632A CN108982780B CN 108982780 B CN108982780 B CN 108982780B CN 201811089632 A CN201811089632 A CN 201811089632A CN 108982780 B CN108982780 B CN 108982780B
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N33/0098—Plants or trees
Abstract
The invention discloses a crop safety detection method, a crop safety detection device and a crop safety detection terminal, wherein the crop safety detection terminal comprises a main control chip, a smell sensor and an output module, wherein the smell sensor and the output module are connected with the main control chip; the odor sensor is used for detecting the concentration of pesticide odor in a set area containing crops to be detected; judging whether the concentration of the pesticide odor exceeds a preset concentration threshold value or not; if so, sending an interrupt signal to the main control chip; and the main control chip is used for receiving the interrupt signal and controlling the output module to output prompt information that pesticide residues exist in the crops to be detected. The odor sensor arranged in the terminal can detect the pesticide odor concentration of the crops to be detected, and can prompt the crops of pesticide residues to a user through the main control chip to control the output module when the detected pesticide odor concentration exceeds a concentration threshold value, so that the body health of the users is prevented from being injured after the users eat the crops with the pesticide residues.
Description
Technical Field
The invention relates to the technical field of terminals, in particular to a crop safety detection method, a crop safety detection device and a terminal.
Background
Along with the improvement of living standard of people, more and more people pay attention to the health. Due to the severe climatic environment, crops are damaged by strange pests, farmers use a large amount of pesticides to protect the yield and quality of the crops, and finally the pests are killed, but a large amount of pesticide residues appear on the crops. If the crops with pesticide residues are not cleaned before being eaten, the crops can cause damage to the health of people after being eaten, so that a device for distinguishing the crops with the pesticide residues is needed to avoid the harm to the health of people after being eaten.
Disclosure of Invention
The invention provides a crop method, a crop device and a crop terminal, which are used for solving the problem that in the prior art, the problem that the health of people is injured after eating the crops due to the fact that the crops with pesticide residues cannot be distinguished is solved.
The invention provides a terminal which comprises a main control chip, an odor sensor and an output module, wherein the odor sensor and the output module are connected with the main control chip; wherein the content of the first and second substances,
the odor sensor is used for detecting the concentration of pesticide odor in a set area containing crops to be detected; judging whether the concentration of the pesticide odor exceeds a preset concentration threshold value or not; if so, sending an interrupt signal to the main control chip;
and the main control chip is used for receiving the interrupt signal and controlling the output module to output prompt information that pesticide residues exist in the crops to be detected.
Further, the terminal further includes: the registers are respectively connected with the odor sensor and the main control chip;
the odor sensor is further used for storing information for marking pesticide residues in the crops to be detected when the concentration of the pesticide odor is judged to exceed a preset concentration threshold;
and the main control chip is also used for controlling the output module to output prompt information indicating that pesticide residues exist in the crops to be detected if the information identifying that the pesticide residues exist in the crops to be detected is read in the register after the interrupt signal is received.
Further, the output module comprises an alarm and/or a display screen;
the main control chip is specifically used for controlling the alarm to give an alarm; and/or displaying prompt information of pesticide residue of the crops to be detected through the display screen.
Furthermore, the main control chip is connected with the odor sensor through an integrated circuit bus IIC line, and an interrupt pin of the odor sensor is connected with an interrupt controller of the main control chip.
Furthermore, the terminal also comprises a power supply and a switch, wherein the switch, the odor sensor and the power supply form a closed loop, and the switch is connected with the main control chip;
the main control chip is further used for controlling the switch to be closed when a measurement request input by a user is received.
Further, the terminal further includes: a first capacitance in parallel with the odor sensor.
Further, the terminal further includes: a second capacitance in series with the odor sensor.
The invention provides a crop safety detection method, which is applied to a terminal and further comprises the following steps:
receiving an interrupt signal sent by an odor sensor of the terminal, wherein the interrupt signal is sent when the odor sensor of the terminal detects the pesticide odor concentration in a set area containing crops to be detected and judges that the pesticide odor concentration exceeds a preset concentration threshold;
and controlling an output module of the terminal to output prompt information that pesticide residues exist in the crops to be detected.
Further, after receiving the interrupt signal sent by the odor sensor of the terminal, before controlling the output module of the terminal to output the prompt message that pesticide residue exists in the crop to be detected, the method further includes:
judging whether information for marking pesticide residues of the crops to be detected is read in a register of the terminal or not;
if yes, the subsequent steps are carried out.
Further, the controlling the output module of the terminal to output the prompt message that the pesticide residue exists in the crop to be detected comprises:
controlling an alarm to alarm; and/or
And displaying prompt information of pesticide residue of the crops to be detected through a display screen.
The invention provides a crop safety detection device, which is applied to a terminal and further comprises:
the receiving module is used for receiving an interrupt signal sent by an odor sensor of the terminal, wherein the interrupt signal is sent when the odor sensor of the terminal detects the pesticide odor concentration in a set area containing crops to be detected and judges that the pesticide odor concentration exceeds a preset concentration threshold;
and the control module is used for controlling the output module of the terminal to output the prompt information that pesticide residues exist in the crops to be detected.
Further, the control module is also used for judging whether information for marking pesticide residues of the crops to be detected is read in a register of the terminal; and if so, controlling an output module of the terminal to output prompt information that pesticide residues exist in the crops to be detected.
Further, the control module is specifically used for controlling an alarm to give an alarm; and/or displaying prompt information of pesticide residue of the crops to be detected through a display screen. The method comprises the following steps:
the invention provides a crop safety detection method, a crop safety detection device and a crop safety detection terminal, wherein the crop safety detection terminal comprises a main control chip, an odor sensor and an output module, wherein the odor sensor and the output module are connected with the main control chip; the odor sensor is used for detecting the concentration of pesticide odor in a set area containing crops to be detected; judging whether the concentration of the pesticide odor exceeds a preset concentration threshold value or not; if so, sending an interrupt signal to the main control chip; and the main control chip is used for receiving the interrupt signal and controlling the output module to output prompt information that pesticide residues exist in the crops to be detected. The odor sensor arranged in the terminal can detect the pesticide odor concentration of the crops to be detected, and can prompt the crops of pesticide residues to a user through the main control chip to control the output module when the detected pesticide odor concentration exceeds a concentration threshold value, so that the body health of the users is prevented from being injured after the users eat the crops with the pesticide residues.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a terminal according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a terminal according to embodiment 4 of the present invention;
fig. 3 is a schematic structural diagram of a terminal according to embodiment 5 of the present invention;
fig. 4 is a schematic structural diagram of a terminal according to embodiment 6 of the present invention;
fig. 5 is a schematic diagram of a crop safety detection process provided in embodiment 7 of the present invention;
fig. 6 is a schematic view of a crop safety detection device provided in embodiment 9 of the present invention.
Detailed Description
In order to prompt a user when pesticide residues exist in crops are detected and avoid the harm to the body health of the user after the user eats the crops with the pesticide residues, the embodiment of the invention provides a crop safety detection method, a crop safety detection device and a crop safety detection terminal.
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
fig. 1 is a schematic structural diagram of a terminal according to an embodiment of the present invention, where the terminal 100 includes a main control chip 101, an odor sensor 102 connected to the main control chip 101, and an output module 103; wherein the content of the first and second substances,
the odor sensor 102 is used for detecting the concentration of pesticide odor in a set area containing crops to be detected; judging whether the concentration of the pesticide odor exceeds a preset concentration threshold value or not; if yes, sending an interrupt signal to the main control chip 101;
the main control chip 101 is configured to receive the interrupt signal and control the output module 103 to output a prompt message that pesticide residue exists in the crop to be detected.
In order to prompt a user when pesticide residues exist in crops are detected so as to prevent the body health of the user from being damaged after the user eats the crops with the pesticide residues, the embodiment of the invention provides a terminal, which is provided with a smell sensor for detecting the smell concentration of the pesticide, a main control chip for prompting the user and an output module. The main control chip can be a chip with a processing function such as a CPU or an MCU, and the output module can be an alarm and/or a display screen.
The odor sensor is capable of detecting the concentration of the odor of the pesticide in a set area containing the crop to be detected, which set area is stored in the odor sensor, which set area may be a set area, for example, a distance of 20 cm, 30 cm or 50 cm or the like, from the odor sensor, which set area contains the crop to be detected. The odor sensor includes a special resistor that is capable of detecting the presence of the agrochemical in the air.
The odor sensor may detect the concentration of the pesticide odor in real time, may detect the pesticide odor at a set time interval, and the like, and the time interval is not limited in the embodiment of the present invention.
The process of detecting the pesticide odor concentration by the odor sensor belongs to the prior art, and is not described in detail in the embodiment of the invention.
The odor sensor also comprises a preset concentration threshold value, wherein the preset concentration threshold value is a concentration threshold value which is harmful to human bodies and is analyzed by big data, and can be set by a user according to the requirements of the user. Therefore, after the odor sensor detects the concentration of the pesticide odor, whether the concentration of the pesticide odor exceeds a preset concentration threshold value is judged, if yes, pesticide residues exist in the crops to be detected, and if not, the crops to be detected are considered to have no pesticide residues or the content of the residual pesticide is harmless to human bodies.
When the concentration of harmful gas in the air, namely the concentration of pesticide odor exceeds a set value, namely a concentration threshold value, the resistance value of the odor sensor is reduced, the total resistance of a circuit is reduced, the current is increased, and the voltage passing through the resistance in the odor sensor is increased, on the contrary, when the concentration of pesticide odor in the air is reduced below the set value, the resistance value of the odor sensor is increased, the current of the circuit is reduced, and the voltage passing through the resistance in the odor sensor is reduced. The resistor in the odor sensor not only detects the concentration of the pesticide odor to play a role in voltage division, when the resistance value of the odor sensor changes, the voltage obtained by the resistor changes, and the odor sensor converts the concentration change of the pesticide odor into the output change of the voltage through the resistor in the odor sensor, so that the concentration of the pesticide odor can be detected by other devices.
The odor sensor continuously acquires information of pesticide concentration in the air, namely continuously detects the pesticide odor concentration in a set area containing crops to be detected, and when the pesticide odor concentration is determined to exceed a concentration threshold value, an interrupt signal is sent to the main control chip and can be used for prompting the main control chip to preferentially process the crop detection process.
The main control chip receives the interrupt signal sent by the odor sensor, and controls the output module to output prompt information that pesticide residues exist in crops to be detected, so that a user of the terminal is prompted that more pesticide residues exist in the crops to be detected, and the user can pay attention to careful cleaning before eating the crops.
Furthermore, after the main control chip receives the interrupt signal sent by the odor sensor, the main control chip can reply an interrupt response to the odor sensor.
The processes of sending an interrupt signal and replying an interrupt response belong to the prior art, and are not described in detail in the embodiment of the present invention.
According to the embodiment of the invention, the odor sensor arranged in the terminal can detect the pesticide odor concentration of the crops to be detected, and can prompt the existence of pesticide residues to the user through the main control chip to control the output module when the detected pesticide odor concentration exceeds the concentration threshold value, so that the body health of the user is prevented from being injured after the user eats the crops with the pesticide residues.
Example 2:
on the basis of the above embodiment, in the embodiment of the present invention, the terminal further includes: registers respectively connected with the odor sensor 102 and the main control chip 101;
the odor sensor 102 is further configured to store, in the register, information for identifying pesticide residue in the crop to be detected when it is determined that the pesticide odor concentration exceeds a preset concentration threshold;
the main control chip 101 is further configured to, after receiving the interrupt signal, control the output module 103 to output a prompt message indicating that pesticide residues exist in the crops to be detected if the information identifying that pesticide residues exist in the crops to be detected is read in the register.
In order to avoid that the odor sensor mistakenly sends an interrupt signal to the main control chip and improve the fault tolerance of the terminal in the process of detecting the safety of crops, the odor sensor can store information for marking pesticide residues of the crops to be detected in a register when the detected pesticide odor concentration exceeds a concentration threshold, for example, the information can be directly stored by characters, the information can be used for marking the pesticide residues of the crops to be detected by 1, and the information can be used for marking the pesticide residues of the crops to be detected by 0.
After receiving the interrupt signal, the main control chip can search whether information for marking pesticide residue of the crop to be detected exists in the register, if the information can be read, the interrupt signal is confirmed to be an accurate signal, and the output module can be controlled to output prompt information that pesticide residue exists in the crop to be detected so as to prompt a user that pesticide residue exists in the crop to be detected.
If the main control chip does not read the information for identifying the pesticide residue of the crop to be detected in the register, the interrupt signal is considered to be sent by mistake, and the output module is not controlled to output the prompt information.
Specifically, the main control chip may store a pre-programmed interrupt processing program, and the main control chip reads whether the information for identifying pesticide residue in the crop to be detected exists in the register through the interrupt processing program.
In addition, as the odor sensor can convert the pesticide odor concentration into voltage for output, at least one parameter value of resistance, current and voltage of a resistor in the odor sensor can be further determined by the odor sensor, and whether pesticide residue exists in the crops to be detected can be further determined by the main control chip according to the at least one parameter value and at least one parameter threshold corresponding to a pre-stored concentration threshold, so that the detection accuracy is further improved, and at the moment, the main control chip can perform processes such as analysis optimization processing after reading the at least one parameter value.
After the main control chip receives the interrupt signal, the information for marking pesticide residue of the crops to be detected is read in the register for further judgment, so that the accuracy in prompting the detection result is ensured.
Example 3:
on the basis of the above embodiments, in the embodiment of the present invention, the output module 103 includes an alarm and/or a display screen;
the main control chip 101 is specifically used for controlling the alarm to alarm; and/or displaying prompt information of pesticide residue of the crops to be detected through the display screen.
The main control chip is connected with the odor sensor through an Inter-Integrated Circuit (IIC) line, and an interrupt pin of the odor sensor is connected with an interrupt controller of the main control chip.
The main control chip can prompt the user of the information that pesticide residues exist in crops by controlling the alarm or the display screen, so that the diversity and the flexibility of the prompt detection result are realized.
When the main control chip controls the alarm to give an alarm, the main control chip can control the alarm to give a buzzer or play music and the like.
The implementation of the process of controlling the alarm by the main control chip belongs to the prior art, and is not described in detail in the embodiment of the invention.
Main control chip passes through the display screen display and detects that crops that wait detect have pesticide residue's reminder information, can be that main control chip driver uploads the APP application that shows the testing result with reminder information, and APP receives data back to the crop that shows the detection has pesticide residue's reminder information, and the pesticide composition that specifically can also indicate crops residue includes sexuality, pesticide compositions such as endrin. Further, when the main control chip determines that the crops have no pesticide residue, prompt information without pesticide components can be prompted to the user through the display screen, so that the user can eat the crops safely.
Because the odor sensor can also comprise an IIC circuit, the main control chip can be connected with the odor sensor through an IIC line when being connected with the odor sensor, and the main control chip and the odor sensor can communicate through an IIC transmission protocol. It is also possible to connect the interrupt of the odor sensor to an interrupt controller of the CPU.
For those skilled in the art, the structure in which the main control chip is connected to the odor sensor through an integrated circuit bus IIC line, and the interrupt pin of the odor sensor is connected to the interrupt controller of the main control chip is obvious, and therefore, details are not described in the embodiment of the present invention.
According to the embodiment of the invention, the main control chip can prompt the information that pesticide residues exist in crops to a user by controlling the alarm or the display screen, so that the diversity and flexibility of the prompt detection result are realized.
Example 4:
on the basis of the above embodiments, in the embodiment of the present invention, as shown in fig. 2, the terminal further includes a power supply 204 and a switch 205, the odor sensor 102 and the power supply 204 form a closed loop, and the switch 205 is connected to the main control chip 101;
the main control chip 101 is further configured to control the switch 205 to be closed when a measurement request input by a user is received.
In order to save terminal resources, the on-off of a detection circuit where the odor sensor is located can be controlled through a switch in the terminal.
A switch, the odor sensor and a power supply in a detection circuit where the odor sensor is located form a closed loop, and the switch is connected with the main control chip. When a user wants to perform crop safety detection, a measurement request can be input through the terminal, and when the main control chip receives the measurement request input by the user, the switch can be controlled to be closed, so that a detection circuit where the odor sensor is located forms a passage, and the detection process is realized by electrifying the odor sensor.
And after the detection is finished or a measurement finishing instruction input by a user is received, the control switch is switched off, so that the detection circuit where the odor sensor is positioned is switched off, and the aim of saving terminal resources is fulfilled.
Example 5:
on the basis of the foregoing embodiments, in an embodiment of the present invention, as shown in fig. 3, the terminal further includes: a first capacitor 306 in parallel with the odor sensor 102.
In order to prolong the working time of the detection circuit, the terminal also comprises a first capacitor connected with the smell sensor in parallel, namely the first capacitor delay capacitor, when the voltage on the smell sensor resistor is increased, the circuit charges the first capacitor, when the voltage on the smell sensor resistor is reduced, the first capacitor starts to discharge, and the detection circuit can continue to work for a period of time. When the first capacitor finishes discharging, the circuit outputs low level, and the whole circuit stops working.
Example 6:
on the basis of the foregoing embodiments, in an embodiment of the present invention, as shown in fig. 4, the terminal further includes: a second capacitor 407 in series with the odor sensor 102.
In order to realize the stability of the odor sensor when detecting current, the terminal also comprises a second capacitor connected with the odor sensor in series, and when the detection circuit is powered on, the second capacitor plays a role in filtering, so that the detection circuit is more stable.
Example 7:
on the basis of the foregoing embodiments, fig. 5 is a schematic diagram of a crop safety detection process provided in an embodiment of the present invention, where the process includes the following steps:
s501: receiving an interrupt signal sent by an odor sensor of the terminal, wherein the interrupt signal is sent when the odor sensor of the terminal detects the pesticide odor concentration in a set area containing crops to be detected and judges that the pesticide odor concentration exceeds a preset concentration threshold.
The crop safety detection method provided by the embodiment of the invention is applied to the terminal, and particularly can be applied to a main control chip in the terminal.
S502: and controlling an output module of the terminal to output prompt information that pesticide residues exist in the crops to be detected.
According to the embodiment of the invention, the odor sensor arranged in the terminal can detect the pesticide odor concentration of the crops to be detected, and can prompt the existence of pesticide residues to the user through the main control chip to control the output module when the detected pesticide odor concentration exceeds the concentration threshold value, so that the body health of the user is prevented from being injured after the user eats the crops with the pesticide residues.
Example 8:
on the basis of the above embodiments, in an embodiment of the present invention, after receiving the interrupt signal sent by the odor sensor of the terminal, before controlling the output module of the terminal to output the prompt message indicating that pesticide residue exists in the crop to be detected, the method further includes:
judging whether information for marking pesticide residues of the crops to be detected is read in a register of the terminal or not;
if yes, the subsequent steps are carried out.
Further, the controlling the output module of the terminal to output the prompt message that the pesticide residue exists in the crop to be detected comprises:
controlling an alarm to alarm; and/or
And displaying prompt information of pesticide residue of the crops to be detected through a display screen.
Example 9:
fig. 6 is a schematic view of a crop safety detection apparatus 600 provided in an embodiment of the present invention, which is applied to a terminal, and includes:
the receiving module 601 is configured to receive an interrupt signal sent by an odor sensor of the terminal, where the interrupt signal is sent when the odor sensor of the terminal detects a pesticide odor concentration in a set area containing crops to be detected and determines that the pesticide odor concentration exceeds a preset concentration threshold;
and the control module 602 is configured to control the output module of the terminal to output prompt information that pesticide residues exist in the crop to be detected.
The control module 602 is further configured to determine whether information identifying pesticide residues existing in the crop to be detected is read from a register of the terminal; and if so, controlling an output module of the terminal to output prompt information that pesticide residues exist in the crops to be detected.
The control module 602 is specifically configured to control an alarm to alarm; and/or displaying prompt information of pesticide residue of the crops to be detected through a display screen.
According to the embodiment of the invention, the odor sensor arranged in the terminal can detect the pesticide odor concentration of the crops to be detected, and can prompt the existence of pesticide residues to the user through the main control chip to control the output module when the detected pesticide odor concentration exceeds the concentration threshold value, so that the body health of the user is prevented from being injured after the user eats the crops with the pesticide residues.
For the system/apparatus embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference may be made to some descriptions of the method embodiments for relevant points.
It is to be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A terminal is characterized by comprising a main control chip, an odor sensor and an output module, wherein the odor sensor and the output module are connected with the main control chip; wherein the content of the first and second substances,
the odor sensor is used for detecting the concentration of pesticide odor in a set area containing crops to be detected; judging whether the concentration of the pesticide odor exceeds a preset concentration threshold value or not; if so, sending an interrupt signal to the main control chip;
the main control chip is used for receiving the interrupt signal and controlling the output module to output prompt information that pesticide residues exist in the crops to be detected;
the terminal further comprises: the registers are respectively connected with the odor sensor and the main control chip;
the odor sensor is further used for storing information for marking pesticide residues in the crops to be detected when the concentration of the pesticide odor is judged to exceed a preset concentration threshold;
and the main control chip is also used for controlling the output module to output prompt information indicating that pesticide residues exist in the crops to be detected if the information identifying that the pesticide residues exist in the crops to be detected is read in the register after the interrupt signal is received.
2. The terminal of claim 1, wherein the output module comprises an alarm and/or a display screen;
the main control chip is specifically used for controlling the alarm to give an alarm; and/or displaying prompt information of pesticide residue of the crops to be detected through the display screen.
3. The terminal of claim 1, wherein the master control chip and the odor sensor are connected by an integrated circuit bus IIC line, and an interrupt pin of the odor sensor is connected with an interrupt controller of the master control chip.
4. The terminal of claim 1, further comprising a power supply and a switch, wherein the switch, the odor sensor and the power supply form a closed loop, and the switch is connected to the main control chip;
the main control chip is further used for controlling the switch to be closed when a measurement request input by a user is received.
5. The terminal of claim 4, wherein the terminal further comprises: a first capacitance in parallel with the odor sensor.
6. The terminal according to claim 1 or 4 or 5, characterized in that the terminal further comprises: a second capacitance in series with the odor sensor.
7. A crop safety detection method is applied to a terminal, and the method further comprises the following steps:
receiving an interrupt signal sent by an odor sensor of the terminal, wherein the interrupt signal is sent when the odor sensor of the terminal detects the pesticide odor concentration in a set area containing crops to be detected and judges that the pesticide odor concentration exceeds a preset concentration threshold;
controlling an output module of the terminal to output prompt information that pesticide residues exist in the crops to be detected;
after receiving the interrupt signal sent by the odor sensor of the terminal, and before controlling the output module of the terminal to output the prompt message that pesticide residues exist in the crops to be detected, the method further comprises the following steps:
judging whether information for marking pesticide residues of the crops to be detected is read in a register of the terminal or not;
if yes, the subsequent steps are carried out.
8. The method of claim 7, wherein the controlling the output module of the terminal to output the prompt message of pesticide residue existing in the crop to be detected comprises:
controlling an alarm to alarm; and/or
And displaying prompt information of pesticide residue of the crops to be detected through a display screen.
9. The utility model provides a crops safety inspection device which characterized in that is applied to the terminal, and the device still includes:
the receiving module is used for receiving an interrupt signal sent by an odor sensor of the terminal, wherein the interrupt signal is sent when the odor sensor of the terminal detects the pesticide odor concentration in a set area containing crops to be detected and judges that the pesticide odor concentration exceeds a preset concentration threshold;
the control module is used for controlling the output module of the terminal to output prompt information that pesticide residues exist in the crops to be detected;
the control module is also used for judging whether information for marking pesticide residues of the crops to be detected is read in a register of the terminal; and if so, controlling an output module of the terminal to output prompt information that pesticide residues exist in the crops to be detected.
10. The device according to claim 9, characterized in that the control module, in particular for controlling an alarm; and/or displaying prompt information of pesticide residue of the crops to be detected through a display screen.
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| CN201348620Y (en) * | 2008-12-24 | 2009-11-18 | 西安天厚滤清技术有限责任公司 | Octane number gasoline tester capable of detecting carbinol and ethanol simultaneously |
| CN102348019A (en) * | 2011-09-20 | 2012-02-08 | 上海华勤通讯技术有限公司 | Mobile phone and gas detecting method |
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| CN103728348A (en) * | 2013-12-02 | 2014-04-16 | 江苏大学 | Electronic nose for detecting indoor air quality |
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| CN105319243A (en) * | 2015-12-09 | 2016-02-10 | 江苏天安智联科技股份有限公司 | System and method for inspecting drunk driving |
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| CN108289049A (en) * | 2017-01-09 | 2018-07-17 | 佛山市顺德区美的电热电器制造有限公司 | The peculiar odor treatment method and household appliance to link between household electrical appliances |
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2018
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