CN105282436A - Agricultural internet of things image acquisition device based on embedded mode - Google Patents
Agricultural internet of things image acquisition device based on embedded mode Download PDFInfo
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- CN105282436A CN105282436A CN201510556182.5A CN201510556182A CN105282436A CN 105282436 A CN105282436 A CN 105282436A CN 201510556182 A CN201510556182 A CN 201510556182A CN 105282436 A CN105282436 A CN 105282436A
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Abstract
The invention discloses an agricultural internet of things image acquisition device based on an embedded mode. The agricultural internet of things image acquisition device comprises an embedded microprocessor of an S3C244o model. The embedded microprocessor is provided with a Linux operation system and is connected with a 3G module, a camera interface, an LCD interface, a JTAG interface, a serial port circuit, a power supply, a reset circuit, an SDRAM, a NOR-FLASH and a NAND-FLASH. According to settings on an application program performed by a user or a command of a far-end user, node image periodical acquisition or random real-time acquisition and 3G wireless transmission are realized, real-time analysis and acquisition are carried out on image information of crop growth conditions, and a basis is provided for yield and income increasing.
Description
Technical field
The present invention relates to agriculture Internet of Things field, specifically a kind of based on Embedded agriculture Internet of Things image collecting device.
Background technology
Along with the rise of technology of Internet of things, the development of the communication technology and embedded technology universal, based on Embedded information gathering and technology of wireless sensing network space in an increasingly wide range of applications.Particularly recent years 3G network universal, for remote image collection and wireless transmission provide condition.China is a large agricultural country, Real-time Obtaining crop growth conditions information, and to the output improving crop, the quality promoting crop has profound significance.
summary of the inventionthe object of this invention is to provide a kind of based on Embedded agriculture Internet of Things image collecting device, to realize the remote image collection to crops.
In order to achieve the above object, the technical solution adopted in the present invention is:
Based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: comprise the embedded microprocessor that model is S3C2440, (SuSE) Linux OS is provided with in embedded microprocessor, embedded microprocessor has access to 3G module, utilizing camera interface, clock circuit, LCD interface, jtag interface, serial port circuit, power supply and reset circuit, SDRAM, NOR-FLASH, NAND-FLASH, the camera of collection in worksite crop map picture accesses embedded microprocessor by utilizing camera interface; User is by the camera transmission control command of embedded microprocessor to access utilizing camera interface, control camera collection crop map picture, the crop map picture of camera collection is sent to embedded microprocessor, crop map picture is sent to network by 3G mode by embedded microprocessor, and user watches the image at camera head monitor scene by network.
Described based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: described 3G module and utilizing camera interface become one, and global design is inserting mode is connected with embedded microprocessor.
Described based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: described clock circuit by crystal oscillator x5, x6, electric capacity C15, C16, C20, C71, C56, C52, C18; Address wire Add1 ~ Add16 is connected in series R63 respectively, R64, R65, R66, R67, R68, R69, R70, R71, R72, R73, R74, R75, R76, R77, R78, and peripheral circuit R59, R60, R61, R62, R7, R9, R20, electric capacity C2 and connector J5 form.
Described based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: described LCD interface circuit comprises the single slotting CON3 of single 40 pin, the connector CON2 of double four pin, the pin 1 of single slotting CON3, after pin 2 connects altogether, 5V voltage is accessed respectively by resistance R29, 3.3V voltage is accessed by resistance R30, also by electric capacity C19 ground connection after pin 1 and pin 2 connect altogether, the pin 36 of single slotting CON3 connects the GPC1/VCLK pin of U1B by resistance R55, the pin 39 of single slotting CON3, the pin 4 of pin 40 difference correspondence and connector CON2, pin 2 connects, the pin 37 of single slotting CON3, the pin 3 of pin 38 difference correspondence and connector CON2, pin 1 connects, the pin 38 of single slotting CON3 is also by electric capacity C20 ground connection, the pin 40 of single slotting CON3 is also by electric capacity C21 ground connection, also comprise electric capacity C22 parallel with one another, the filter circuit one that electric capacity C23 is formed, and electric capacity C24 parallel with one another, the filter circuit two that electric capacity C25 is formed, one end of filter circuit one is connected to 5V voltage, the other end ground connection of filter circuit one, one end of filter circuit two is connected to 3.3V voltage, the other end ground connection of filter circuit two, if selection operating voltage is the liquid crystal of 5V, then VCC5V is by filter circuit one, pin 1 and the pin 2 of CON3 is connected to again by R29, if selection operating voltage is the liquid crystal of 3.3V, then VCC3.3V is by filter circuit two, then is connected to pin 1 and the pin 2 of CON3 by R30.
Described based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: described jtag interface comprises double slotting P1, peripheral resistance R43, R44, R46, R50, R25, R27, R24; 3.3V filter capacitor C18 forms; In interrupt signal treatment circuit, Eint21 is by the access of R34, R4 dividing potential drop; Eint21 is accessed by R35 dividing potential drop; Eint23 is by R39 ground connection.Circuit U 1B to the read-write control signal nGCS6 of memory, SCLK0, nSCAS, nSRAS, SCLK, ALE, CLE, RnB, nCON, nFCE, nFRE, nFWE respectively through resistance R56, R57, R58, R21, R22, R23, R26, R28, R51, R52, R53, R54.
Described based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: described serial port circuit comprises the signal of communication conversion chip U7 that model is MAX232CSE/ESE, and the socket COM1 of two nine pin, COM2, the R1OUT pin of signal of communication conversion chip U7, T1IN pin, T2IN pin, R2OUT pin accesses the RXD0/GPH3 of U1B respectively, TXD0/GPH2, TXD1/GPH4, RXD1/GPH5 pin, the VCC pin access 5V voltage of signal of communication conversion chip U7, the V+ pin of signal of communication conversion chip U7 accesses 5V voltage by electric capacity C49, the V-pin of signal of communication conversion chip U7 is by electric capacity C51 ground connection, the GND pin ground connection of signal of communication conversion chip U7, the T1OUT pin of signal of communication conversion chip U7 is connected with the pin 2 of socket COM1, the R1IN pin of signal of communication conversion chip U7 is connected with the pin 3 of socket COM1, the T2OUT pin of signal of communication conversion chip U7 is connected with the pin 2 of socket C0M2, the R2IN pin of signal of communication conversion chip U7 is connected with the pin 3 of socket COM2, described socket COM1, pin 5 ground connection respectively of socket COM2, electric capacity C50 is connected with between the C1+ pin of signal of communication conversion chip U7 and C1-pin, electric capacity C52 is connected with between the C2+ pin of signal of communication conversion chip U7 and C2-pin.
Described based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: it is the voltage conversion chip U8 that the 5V of AMS1117ADJ turns 3.3V that described power supply and reset circuit comprise model, model is the voltage conversion chip U9 that the 3.3V of AMS1117ADJ turns 1.3V, model is the voltage monitor U10 of MAX811, and 1.3V filter circuit, the wherein VIN pin access 5V voltage of voltage conversion chip U8, the VIN pin of voltage conversion chip U8 is also respectively by electric capacity C64, electric capacity C65, electric capacity C66 ground connection, the ADJ pin ground connection of voltage conversion chip U8, the VOUT pin of voltage conversion chip U8 exports 3.3V voltage, receive 4 pin of U10, and the VOUT pin of voltage conversion chip U8 is respectively by electric capacity C67, electric capacity C68 ground connection, the VOUT pin of voltage conversion chip U8 is also connected to the anode of LED 1 by resistance R40, the minus earth of LED 1,
The VIN pin access 3.3V voltage of voltage conversion chip U9, the VIN pin of voltage conversion chip U9 is also respectively by electric capacity C78, electric capacity C79 ground connection, the VOUT pin of voltage conversion chip U9 exports 1.3V voltage, output to the J17 of U1C, G4, F1, F16, A16, B11, A10, A6, A1, N16, M13, U11, T8, T6, U2, U1, L2, J2, and the VOUT pin of voltage conversion chip U9 is by electric capacity C80, electric capacity C81 ground connection, the resistance R41 of VOUT pin also by connecting successively of voltage conversion chip U9, resistance R42 ground connection, the ADJ pin access resistance R41 of voltage conversion chip U9, between resistance R42,
Described 1.3V voltage is introduced from 2 pin of U9, its filter circuit comprises the parallel circuits one be made up of electric capacity C53, C54, C55, C56, C57, C58, C59, C60, C61, C62, C63 parallel connection, the parallel circuits two that electric capacity C69, C70, C71, C72, C73, C74, C75, C76, C77 are formed, the parallel circuits three that electric capacity C82, C83, C84, C85 are formed, the respective one end of parallel circuits one, two, three accesses 1.3V voltage respectively, the respective other end of parallel circuits one, two, three ground connection respectively, reaches the object of regulated output voltage;
Pin 1 ground connection of described voltage monitor U10, the pin 2 of voltage monitor U10 is connected to the nRESET pin of U1B by resistance R45, the pin 3 of voltage monitor U10 is by push-button switch S1 ground connection, the pin 4 of voltage monitor U10 accesses 3.3V voltage, and the pin 4 of voltage monitor U10 is also by electric capacity C90 ground connection.
Described based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: described SDRAM comprises memory U5 and the memory U6 that two block-type number are respectively EM63A165TS-6G, the VSS1 pin of memory U5 and memory U6, VSS2 pin, VSS3 pin, VSSQ0 pin, VSSQ1 pin, VSSQ2 pin, VSSQ3 pin is ground connection respectively, the VDD0 pin of memory U5 and memory U6, VDD1 pin, VDD2 pin, VDDQ0 pin, VDDQ1 pin, VDDQ2 pin, VDDQ3 pin accesses 3.3V voltage respectively, also comprise adjustable resistance R38, adjustable resistance R39, and plug CON1, the BA0 pin of memory U5 and U6 is all linked into the intermediate point of adjustable resistance R38 resistance, the BA1 pin of memory U5 and U6 is all linked into the intermediate point of adjustable resistance R39 resistance, described plug CON1 respectively with the ADDR23/GPA8 of U1A, ADDR24/GPA9, ADDR25/GPA10, ADDR26/GPA11 pin connects,
The NAND-FLASH that described operating voltage is inputted by 2 pin of U8 comprises the FLASH memory U3 that model is K9F2G08U0C-SCB0, and filter circuit three, the VSS/NC22 pin of FLASH memory U3, VSS0 pin is ground connection respectively, the VCC0 pin of FLASH memory U3, VCC1 pin accesses 3.3V voltage respectively, the NC5 pin of FLASH memory U3 is by resistance R32 ground connection, the nRB pin of FLASH memory U3 will access 3.3V voltage by resistance R31, the nRB pin of FLASH memory U3 will also access the RnB pin of U1B by resistance R28, the WP pin of FLASH memory U3 is connected in the middle of an adjustable resistance R33, adjustable resistance R33 one end access 3.3V voltage, adjustable resistance R33 other end ground connection, described filter circuit three is made up of electric capacity C26, C27, C28, C29, C30, C31, C32, C33, C34, C35, C36, C37, C38, C39, C40, C41 parallel connection, one end of filter circuit three is also accessed from 2 pin of U8, the other end ground connection of filter circuit three,
The NOR-FLASH that described operating voltage is provided by 2 pin of U8 comprises the FLASH memory U4 that model is JS28F320J3F75, and filter circuit four, the A0 pin of FLASH memory U4, VSS pin is ground connection respectively, the CE0 pin of FLASH memory U4 singly enters couple connector J1 gone out by resistance R59 by one, R60 respectively with the nGCS1/GPA12 of U1A, nGCS0 pin connects, the CE1 pin of FLASH memory U4, CE2 pin, BYTE# pin, STS pin connects rear access 3.3V voltage altogether, the VPEN pin of FLASH memory U4 accesses in the middle of an adjustable resistance R35, adjustable resistance R35 one end access 3.3V voltage, adjustable resistance R35 other end ground connection, the A22 pin of FLASH memory U4, A23 pin, A24 pin is respectively by resistance R34, R36, R37 is connected to the ADDR22/GPA7 of U1A, ADDR23/GPA8, ADDR24/GPA9 pin, the RP# pin of FLASH memory U4 is connected to the nRESET pin of U1B,
pin,
pin is connected to nOE, nWE pin of U1A respectively by resistance R62, R61, the described filter circuit four to U4 confession 3.3V electricity is made up of electric capacity C42, C43, C44, C45, C46, C47, C48 parallel connection, the 3.3V voltage of one end access U82 pin output of filter circuit four, the other end ground connection of filter circuit four,
Described based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: described utilizing camera interface comprises single-row socket CON4, the 3.3V voltage that the voltage conversion chip VR1 being LM1117-CT1.8 by model is formed turns 1.8V circuit, and the pin 1 of single-row socket CON4 is by resistance R47, pin 2 accesses 3.3V voltage respectively by resistance R48, and the pin 5 of single-row socket CON4 is by resistance R49, R2 is connected to the CAMCLKOUT/GPJ11 pin of U1C, the pin 18 of single-row socket CON4 accesses the negative electrode of a diode D1, the anode access 3.3V voltage of diode D1, the pin 17 of single-row socket CON4 accesses 3.3V voltage, the pin 19 of single-row socket CON4 accesses 1.8V voltage, pin 20 ground connection of single-row socket CON4, the pin 3 of single-row socket CON4, pin 4, pin 6, pin 7, pin 8, pin 9, pin 10, pin 11, pin 12, pin 13, pin 14, pin 15, pin 16 is connected to the CAMRESET/GPJ12 of GPG12/EINT20 and U1C of U1B respectively, CAMHREF/GPJ10, CAMVSYNC/GPJ9, CAMPCLK/GPJ8, CAMDATA7/GPJ7, CAMDATA6/GPJ6, CAMDATA5/GPJ5, CAMDATA4/GPJ4, CAMDATA3/GPJ3, CAMDATA2/GPJ2, CAMDATA1/GPJ1, CAMDATA0/GPJ0 pin, the Vin pin access 3.3V voltage of voltage conversion chip VR1, the VOUT pin of voltage conversion chip VR1 exports 19 pin that 1.8V voltage outputs to CON4, the Vin pin of voltage conversion chip VR1 is by electric capacity C86 parallel with one another, electric capacity C88 and self GND pin ground connection altogether, and the VOUT pin of voltage conversion chip VR1 connects ground connection altogether by electric capacity C87 parallel with one another, electric capacity C89 and self GND pin.
Described based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: described 3G module comprises the USB line concentration controller U2 that model is AU9254A21-HAS-GR, add that other peripheral circuit composition and filter circuit form, the main devices of U2 peripheral circuit has resistance R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, electric capacity C1, C2 and crystal oscillator x1; Filter circuit by C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15, C16, C17 and inductance B1, and USB socket CN1, CN2 composition.
The principle of the invention is: the control command that camera transmits according to the command set of onsite user or long distance wireless, gathers crop map picture, is sent on network by 3G mode.On network, user directly can watch the image of monitoring site with monitor terminal software, and authorized user can also control the action of camera pan-tilt camera lens or operate system configuration.IMAQ node utilizes embedded technology, adopts special S3C2440 chip and real-time LINUX operating system, effectively improve real-time and the stability of system.And IMAQ and 3G network transfer function are integrated in the very little equipment of volume, reach namely to insert and namely see, save the cable of various complexity, easy for installation, without the need to staff on duty.Because the pin of S3C2440 chip is more, will with clock circuit, the S3C2440 pin portions that JATG circuit is connected with power supply and reset circuit is divided into U1A respectively, U1B, U1C tri-part.
The present invention devises a kind of based on Embedded agriculture Internet of Things image collecting device, and constructing based on S3C2440 processor is at a high speed hardware core, is aided with the hardware platform of memory, 3G wireless module, power supply and USB camera.In this hardware platform, download the built-in Linux operating system of cutting.According to the setting of user in node application program or the order of remote subscriber, realize node image cycle or random Real-time Collection and 3G wireless transmission, complete the real-time analysis collection of the image information to plant growth situation, for increasing both production and income provides basis.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
Fig. 2 is clock circuit circuit diagram.
Fig. 3 is LCD interface circuit figure.
Fig. 4 is JATG interface circuit figure.
Fig. 5 is serial port circuit figure.
Fig. 6 is power supply and reset circuit figure, wherein:
Fig. 6 a is voltage conversion chip U8 circuit diagram, and Fig. 6 b is voltage conversion chip U9 circuit diagram, and Fig. 6 c is parallel circuits one circuit diagram, and Fig. 6 d is parallel circuits two circuit diagram, and Fig. 6 e is parallel circuits three-circuit figure, Fig. 6 f is voltage monitor U10 circuit diagram.
Fig. 7 is SDRA interface circuit figure, wherein:
Fig. 7 a is memory U5 circuit diagram, and Fig. 7 b is memory U6 circuit diagram, and Fig. 7 c is adjustable resistance R38 circuit diagram, and Fig. 7 d is adjustable resistance R39 circuit diagram, and Fig. 7 e is plug CON1 circuit diagram.
Fig. 8 is NAND-FLASH interface circuit figure, wherein:
Fig. 8 a is FLASH memory U3 circuit diagram, and Fig. 8 b is filter circuit three-circuit figure.
Fig. 9 is NOR-FLASH circuit diagram, wherein:
Fig. 9 a is FLASH memory U4 circuit diagram, and Fig. 9 b is filter circuit four circuit diagram.
Figure 10 is utilizing camera interface circuit diagram, wherein:
Figure 10 a is resistance R47 and resistance R48 circuit diagram, and Figure 10 b is single-row socket CON4 circuit diagram, and Figure 10 c is voltage conversion chip VR1 circuit diagram.
Figure 11 is 3G module circuit diagram.
Embodiment
As shown in Figure 1, based on Embedded agriculture Internet of Things image collecting device, comprise the embedded microprocessor that model is S3C2440, (SuSE) Linux OS is provided with in embedded microprocessor, embedded microprocessor has access to 3G module, utilizing camera interface, clock circuit, LCD interface, jtag interface, serial port circuit, power supply and reset circuit, SDRAM, NOR-FLASH, NAND-FLASH, the camera of collection in worksite crop map picture accesses embedded microprocessor by utilizing camera interface; User is by the camera transmission control command of embedded microprocessor to access utilizing camera interface, control camera collection crop map picture, the crop map picture of camera collection is sent to embedded microprocessor, crop map picture is sent to network by 3G mode by embedded microprocessor, and user watches the image at camera head monitor scene by network.
3G module and utilizing camera interface become one, and global design is inserting mode is connected with embedded microprocessor.
As shown in Figure 2, clock circuit by crystal oscillator x5, x6, electric capacity C15, C16, C20, C71, C56, C52, C18; Address wire Add1 ~ Add16 is connected in series R63 respectively, R64, R65, R66, R67, R68, R69, R70, R71, R72, R73, R74, R75, R76, R77, R78, and peripheral circuit R59, R60, R61, R62, R7, R9, R20, electric capacity C2 and connector J5 form.
As shown in Figure 3, LCD interface circuit comprises the single slotting CON3 of single 40 pin, the connector CON2 of double four pin, the pin 1 of single slotting CON3, after pin 2 connects altogether, 5V voltage is accessed respectively by resistance R29, 3.3V voltage is accessed by resistance R30, also by electric capacity C19 ground connection after pin 1 and pin 2 connect altogether, the pin 36 of single slotting CON3 is connected to the GPC1/VCLK pin of U1B by resistance R55, the pin 39 of single slotting CON3, the pin 4 of pin 40 difference correspondence and connector CON2, pin 2 connects, the pin 37 of single slotting CON3, the pin 3 of pin 38 difference correspondence and connector CON2, pin 1 connects, the pin 38 of single slotting CON3 is also by electric capacity C20 ground connection, the pin 40 of single slotting CON3 is also by electric capacity C21 ground connection, also comprise electric capacity C22 parallel with one another, the filter circuit one that electric capacity C23 is formed, and electric capacity C24 parallel with one another, the filter circuit two that electric capacity C25 is formed, one end of filter circuit one is connected to 5V voltage, the other end ground connection of filter circuit one, one end of filter circuit two is connected to 3.3V voltage, the other end ground connection of filter circuit two, if selection operating voltage is the liquid crystal of 5V, then VCC5V is by filter circuit one, pin 1 and the pin 2 of CON3 is connected to again by R29, if selection operating voltage is the liquid crystal of 3.3V, then VCC3.3V is by filter circuit two, then is connected to pin 1 and the pin 2 of CON3 by R30.
As shown in Figure 4, jtag interface comprises double slotting P1, peripheral resistance R43, R44, R46, R50, R25, R27, R24; 3.3V filter capacitor C18 forms; In interrupt signal treatment circuit, Eint21 is by the access of R34, R4 dividing potential drop; Eint21 is accessed by R35 dividing potential drop; Eint23 is by R39 ground connection.Circuit U 1B to the read-write control signal nGCS6 of memory, SCLK0, nSCAS, nSRAS, SCLK, ALE, CLE, RnB, nCON, nFCE, nFRE, nFWE respectively through resistance R56, R57, R58, R21, R22, R23, R26, R28, R51, R52, R53, R54.
As shown in Figure 5, serial port circuit comprises the signal of communication conversion chip U7 that model is MAX232CSE/ESE, and the socket COM1 of two nine pin, COM2, the R1OUT pin of signal of communication conversion chip U7, T1IN pin, T2IN pin, R2OUT pin accesses the RXD0/GPH3 of U1B respectively, TXD0/GPH2, TXD1/GPH4, RXD1/GPH5 pin, the VCC pin access 5V voltage of signal of communication conversion chip U7, the V+ pin of signal of communication conversion chip U7 accesses 5V voltage by electric capacity C49, the V-pin of signal of communication conversion chip U7 is by electric capacity C51 ground connection, the GND pin ground connection of signal of communication conversion chip U7, the T1OUT pin of signal of communication conversion chip U7 is connected with the pin 2 of socket COM1, the R1IN pin of signal of communication conversion chip U7 is connected with the pin 3 of socket COM1, the T2OUT pin of signal of communication conversion chip U7 is connected with the pin 2 of socket C0M2, the R2IN pin of signal of communication conversion chip U7 is connected with the pin 3 of socket COM2, described socket COM1, pin 5 ground connection respectively of socket COM2, electric capacity C50 is connected with between the C1+ pin of signal of communication conversion chip U7 and C1-pin, electric capacity C52 is connected with between the C2+ pin of signal of communication conversion chip U7 and C2-pin.
As shown in Figure 6, it is the voltage conversion chip U8 that the 5V of AMS1117ADJ turns 3.3V that power supply and reset circuit comprise model, model is the voltage conversion chip U9 that the 3.3V of AMS1117ADJ turns 1.3V, model is the voltage monitor U10 of MAX811, and 1.3V filter circuit, the wherein VIN pin access 5V voltage of voltage conversion chip U8, the VIN pin of voltage conversion chip U8 is also respectively by electric capacity C64, electric capacity C65, electric capacity C66 ground connection, the ADJ pin ground connection of voltage conversion chip U8, the VOUT pin of voltage conversion chip U8 exports 3.3V voltage, receive 4 pin of U10, and the VOUT pin of voltage conversion chip U8 is respectively by electric capacity C67, electric capacity C68 ground connection, the VOUT pin of voltage conversion chip U8 is also connected to the anode of LED 1 by resistance R40, the minus earth of LED 1,
The VIN pin access 3.3V voltage of voltage conversion chip U9, the VIN pin of voltage conversion chip U9 is also respectively by electric capacity C78, electric capacity C79 ground connection, the VOUT pin of voltage conversion chip U9 exports 1.3V voltage, output to the J17 of U1C, G4, F1, F16, A16, B11, A10, A6, A1, N16, M13, U11, T8, T6, U2, U1, L2, J2, and the VOUT pin of voltage conversion chip U9 is by electric capacity C80, electric capacity C81 ground connection, the resistance R41 of VOUT pin also by connecting successively of voltage conversion chip U9, resistance R42 ground connection, the ADJ pin access resistance R41 of voltage conversion chip U9, between resistance R42,
Described 1.3V voltage is introduced from 2 pin of U9, its filter circuit comprises the parallel circuits one be made up of electric capacity C53, C54, C55, C56, C57, C58, C59, C60, C61, C62, C63 parallel connection, the parallel circuits two that electric capacity C69, C70, C71, C72, C73, C74, C75, C76, C77 are formed, the parallel circuits three that electric capacity C82, C83, C84, C85 are formed, the respective one end of parallel circuits one, two, three accesses 1.3V voltage respectively, the respective other end of parallel circuits one, two, three ground connection respectively;
Pin 1 ground connection of voltage monitor U10, the pin 2 of voltage monitor U10 is connected to the nRESET pin of U1B by resistance R45, the pin 3 of voltage monitor U10 is by push-button switch S1 ground connection, the pin 4 of voltage monitor U10 accesses 3.3V voltage, and the pin 4 of voltage monitor U10 is also by electric capacity C90 ground connection.
As shown in Figure 7, SDRAM comprises memory U5 and the memory U6 that two block-type number are respectively EM63A165TS-6G, the VSS1 pin of memory U5 and memory U6, VSS2 pin, VSS3 pin, VSSQ0 pin, VSSQ1 pin, VSSQ2 pin, VSSQ3 pin is ground connection respectively, the VDD0 pin of memory U5 and memory U6, VDD1 pin, VDD2 pin, VDDQ0 pin, VDDQ1 pin, VDDQ2 pin, VDDQ3 pin accesses 3.3V voltage respectively, also comprise adjustable resistance R38, adjustable resistance R39, and plug CON1, the BA0 pin of memory U5 and U6 is all linked into the intermediate point of adjustable resistance R38 resistance, the BA1 pin of memory U5 and U6 is all linked into the intermediate point of adjustable resistance R39 resistance, described plug CON1 respectively with the ADDR23/GPA8 of U1A, ADDR24/GPA9, ADDR25/GPA10, ADDR26/GPA11 pin connects,
As shown in Figure 8, NAND-FLASH comprises the FLASH memory U3 that model is K9F2G08U0C-SCB0, and filter circuit three, the VSS/NC22 pin of FLASH memory U3, VSS0 pin is ground connection respectively, the VCC0 pin of FLASH memory U3, VCC1 pin accesses 3.3V voltage respectively, the NC5 pin of FLASH memory U3 is by resistance R32 ground connection, the nRB pin of FLASH memory U3 will access 3.3V voltage by resistance R31, the nRB pin of FLASH memory U3 will also access the FRnB pin of U1B by resistance R28, the WP pin of FLASH memory U3 is connected in the middle of an adjustable resistance R33, adjustable resistance R33 one end access 3.3V voltage, adjustable resistance R33 other end ground connection, described filter circuit three is made up of electric capacity C26, C27, C28, C29, C30, C31, C32, C33, C34, C35, C36, C37, C38, C39, C40, C41 parallel connection, one end of filter circuit three is also accessed from 2 pin of U8, the other end ground connection of filter circuit three,
As shown in Figure 9, by 2 pin of U8 provide the NOR-FLASH of 3.3V operating voltage to comprise FLASH memory U4 that model is JS28F320J3F75, and filter circuit four, the A0 pin of FLASH memory U4, VSS pin is ground connection respectively, the CE0 pin of FLASH memory U4 singly enters couple connector J1 gone out by resistance R59 by one, R60 respectively with the nGCS1/GPA12 of U1A, nGCS0 pin connects, the CE1 pin of FLASH memory U4, CE2 pin, BYTE# pin, STS pin connects rear access 3.3V voltage altogether, the VPEN pin of FLASH memory U4 accesses in the middle of an adjustable resistance R35, adjustable resistance R35 one end access 3.3V voltage, adjustable resistance R35 other end ground connection, the A22 pin of FLASH memory U4, A23 pin, A24 pin is respectively by resistance R34, R36, R37 is connected to the ADDR22/GPA7 of U1A, ADDR23/GPA8, ADDR24/GPA9 pin, the RP# pin of FLASH memory U4 is connected to the nRESET pin of U1B,
pin,
pin is connected to nOE, nWE pin of U1A respectively by resistance R62, R61, described filter circuit four is made up of electric capacity C42, C43, C44, C45, C46, C47, C48 parallel connection, the 3.3V voltage of U82 pin output is also accessed in one end of filter circuit four, meet 2 pin of U4,29 pin, 31 pin, 53 pin, 9 pin, 37 pin, 43 pin and resistance R35, the other end ground connection of filter circuit four simultaneously,
As shown in Figure 10, utilizing camera interface comprises single-row socket CON4, the 3.3V voltage that the voltage conversion chip VR1 being LM1117-CT1.8 by model is formed turns 1.8V circuit, and the pin 1 of single-row socket CON4 is by resistance R47, pin 2 accesses 3.3V voltage respectively by resistance R48, and the pin 5 of single-row socket CON4 is by resistance R49, R2 is connected to the CAMCLKOUT/GPJ11 pin of U1C, the pin 18 of single-row socket CON4 accesses the negative electrode of a diode D1, the anode access 3.3V voltage of diode D1, the pin 17 of single-row socket CON4 accesses 3.3V voltage, the pin 19 of single-row socket CON4 accesses 1.8V voltage, pin 20 ground connection of single-row socket CON4, the pin 3 of single-row socket CON4, pin 4, pin 6, pin 7, pin 8, pin 9, pin 10, pin 11, pin 12, pin 13, pin 14, pin 15, pin 16 is connected to the CAMRESET/GPJ12 of GPG12/EINT20 and U1C of U1B respectively, CAMHREF/GPJ10, CAMVSYNC/GPJ9, CAMPCLK/GPJ8, CAMDATA7/GPJ7, CAMDATA6/GPJ6, CAMDATA5/GPJ5, CAMDATA4/GPJ4, CAMDATA3/GPJ3, CAMDATA2/GPJ2, CAMDATA1/GPJ1, CAMDATA0/GPJ0 pin, the Vin pin access 3.3V voltage of voltage conversion chip VR1, the VOUT pin of voltage conversion chip VR1 exports 19 pin that 1.8V voltage outputs to CON4, the Vin pin of voltage conversion chip VR1 is by electric capacity C86 parallel with one another, electric capacity C88 and self GND pin ground connection altogether, and the VOUT pin of voltage conversion chip VR1 connects ground connection altogether by electric capacity C87 parallel with one another, electric capacity C89 and self GND pin.
As shown in figure 11,3G module comprises the USB line concentration controller U2 that model is AU9254A21-HAS-GR, and add other peripheral circuit composition and filter circuit composition, the main devices of U2 peripheral circuit has resistance R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, electric capacity C1, C2 and crystal oscillator x1; Filter circuit is by C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15, C16, C17 and inductance B1, and USB socket CN1, CN2 composition.
Claims (10)
1. based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: comprise the embedded microprocessor that model is S3C2440, (SuSE) Linux OS is provided with in embedded microprocessor, embedded microprocessor has access to 3G module, utilizing camera interface, clock circuit, LCD interface, jtag interface, serial port circuit, power supply and reset circuit, SDRAM, NOR-FLASH, NAND-FLASH, the camera of collection in worksite crop map picture accesses embedded microprocessor by utilizing camera interface; User is by the camera transmission control command of embedded microprocessor to access utilizing camera interface, control camera collection crop map picture, the crop map picture of camera collection is sent to embedded microprocessor, crop map picture is sent to network by 3G mode by embedded microprocessor, and user watches the image at camera head monitor scene by network.
2. according to claim 1 based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: described 3G module and utilizing camera interface become one, and global design is inserting mode is connected with embedded microprocessor.
3. according to claim 1 based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: described clock circuit by crystal oscillator x5, x6, electric capacity C15, C16, C20, C71, C56, C52, C18; Address wire Add1 ~ Add16 is connected in series R63 respectively, R64, R65, R66, R67, R68, R69, R70, R71, R72, R73, R74, R75, R76, R77, R78, and peripheral circuit R59, R60, R61, R62, R7, R9, R20, electric capacity C2 and connector J5 form.
4. according to claim 1 based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: described LCD interface circuit comprises the single slotting CON3 of single 40 pin, the connector CON2 of double four pin, the pin 1 of single slotting CON3, after pin 2 connects altogether, 5V voltage is accessed respectively by resistance R29, 3.3V voltage is accessed by resistance R30, also by electric capacity C19 ground connection after pin 1 and pin 2 connect altogether, the pin 36 of single slotting CON3 is connected to the GPC1/VCLK pin of U1B by resistance R55, the pin 39 of single slotting CON3, the pin 4 of pin 40 difference correspondence and connector CON2, pin 2 connects, the pin 37 of single slotting CON3, the pin 3 of pin 38 difference correspondence and connector CON2, pin 1 connects, the pin 38 of single slotting CON3 is also by electric capacity C20 ground connection, the pin 40 of single slotting CON3 is also by electric capacity C21 ground connection, also comprise electric capacity C22 parallel with one another, the filter circuit one that electric capacity C23 is formed, and electric capacity C24 parallel with one another, the filter circuit two that electric capacity C25 is formed, one end of filter circuit one is connected to 5V voltage, the other end ground connection of filter circuit one, one end of filter circuit two is connected to 3.3V voltage, the other end ground connection of filter circuit two, if selection operating voltage is the liquid crystal of 5V, then VCC5V is by filter circuit one, pin 1 and the pin 2 of CON3 is connected to again by R29, if selection operating voltage is the liquid crystal of 3.3V, then VCC3.3V is by filter circuit two, then is connected to pin 1 and the pin 2 of CON3 by R30.
5. according to claim 1 based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: described jtag interface comprises double slotting P1, peripheral resistance R43, R44, R46, R50, R25, R27, R24; 3.3V filter capacitor C18 forms; In interrupt signal treatment circuit, Eint21 is by the access of R34, R4 dividing potential drop; Eint21 is accessed by R35 dividing potential drop; Eint23 is by R39 ground connection; Circuit U 1B to the read-write control signal nGCS6 of memory, SCLK0, nSCAS, nSRAS, SCLK, ALE, CLE, RnB, nCON, nFCE, nFRE, nFWE respectively through resistance R56, R57, R58, R21, R22, R23, R26, R28, R51, R52, R53, R54.
6. according to claim 1 based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: described serial port circuit comprises the signal of communication conversion chip U7 that model is MAX232CSE/ESE, and the socket COM1 of two nine pin, COM2, the R1OUT pin of signal of communication conversion chip U7, T1IN pin, T2IN pin, R2OUT pin accesses the RXD0/GPH3 of U1B respectively, TXD0/GPH2, TXD1/GPH4, RXD1/GPH5 pin, the VCC pin access 5V voltage of signal of communication conversion chip U7, the V+ pin of signal of communication conversion chip U7 accesses 5V voltage by electric capacity C49, the V-pin of signal of communication conversion chip U7 is by electric capacity C51 ground connection, the GND pin ground connection of signal of communication conversion chip U7, the T1OUT pin of signal of communication conversion chip U7 is connected with the pin 2 of socket COM1, the R1IN pin of signal of communication conversion chip U7 is connected with the pin 3 of socket COM1, the T2OUT pin of signal of communication conversion chip U7 is connected with the pin 2 of socket C0M2, the R2IN pin of signal of communication conversion chip U7 is connected with the pin 3 of socket COM2, described socket COM1, pin 5 ground connection respectively of socket COM2, electric capacity C50 is connected with between the C1+ pin of signal of communication conversion chip U7 and C1-pin, electric capacity C52 is connected with between the C2+ pin of signal of communication conversion chip U7 and C2-pin.
7. according to claim 1 based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: it is the voltage conversion chip U8 that the 5V of AMS1117ADJ turns 3.3V that described power supply and reset circuit comprise model, model is the voltage conversion chip U9 that the 3.3V of AMS1117ADJ turns 1.3V, model is the voltage monitor U10 of MAX811, and 1.3V filter circuit, the wherein VIN pin access 5V voltage of voltage conversion chip U8, the VIN pin of voltage conversion chip U8 is also respectively by electric capacity C64, electric capacity C65, electric capacity C66 ground connection, the ADJ pin ground connection of voltage conversion chip U8, the VOUT pin of voltage conversion chip U8 exports 3.3V voltage, receive 4 pin of U10, and the VOUT pin of voltage conversion chip U8 is respectively by electric capacity C67, electric capacity C68 ground connection, the VOUT pin of voltage conversion chip U8 is also connected to the anode of LED 1 by resistance R40, the minus earth of LED 1,
The VIN pin access 3.3V voltage of voltage conversion chip U9, the VIN pin of voltage conversion chip U9 is also respectively by electric capacity C78, electric capacity C79 ground connection, the VOUT pin of voltage conversion chip U9 exports 1.3V voltage, output to the J17 of U1C, G4, F1, F16, A16, B11, A10, A6, A1, N16, M13, U11, T8, T6, U2, U1, L2, J2, and the VOUT pin of voltage conversion chip U9 is by electric capacity C80, electric capacity C81 ground connection, the resistance R41 of VOUT pin also by connecting successively of voltage conversion chip U9, resistance R42 ground connection, the ADJ pin access resistance R41 of voltage conversion chip U9, between resistance R42,
Described 1.3V voltage is introduced from 2 pin of U9, its filter circuit comprises the parallel circuits one be made up of electric capacity C53, C54, C55, C56, C57, C58, C59, C60, C61, C62, C63 parallel connection, the parallel circuits two that electric capacity C69, C70, C71, C72, C73, C74, C75, C76, C77 are formed, the parallel circuits three that electric capacity C82, C83, C84, C85 are formed, the respective one end of parallel circuits one, two, three accesses 1.3V voltage respectively, the respective other end of parallel circuits one, two, three ground connection respectively;
Pin 1 ground connection of described voltage monitor U10, the pin 2 of voltage monitor U10 is connected to the R24 of U1B by resistance R45, be connected to nTRST pin, the pin 3 of voltage monitor U10 is by push-button switch S1 ground connection, the pin 4 of voltage monitor U10 accesses 3.3V voltage, and the pin 4 of voltage monitor U10 is also by electric capacity C90 ground connection.
8. according to claim 1 based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: described SDRAM comprises memory U5 and the memory U6 that two block-type number are respectively EM63A165TS-6G, the VSS1 pin of memory U5 and memory U6, VSS2 pin, VSS3 pin, VSSQ0 pin, VSSQ1 pin, VSSQ2 pin, VSSQ3 pin is ground connection respectively, the VDD0 pin of memory U5 and memory U6, VDD1 pin, VDD2 pin, VDDQ0 pin, VDDQ1 pin, VDDQ2 pin, VDDQ3 pin accesses 3.3V voltage respectively, also comprise adjustable resistance R38, adjustable resistance R39, and plug CON1, the BA0 pin of memory U5 and U6 is all linked into the intermediate point of adjustable resistance R38 resistance, the BA1 pin of memory U5 and U6 is all linked into the intermediate point of adjustable resistance R39 resistance, described plug CON1 respectively with the ADDR23/GPA8 of U1A, ADDR24/GPA9, ADDR25/GPA10, ADDR26/GPA11 pin connects,
The NAND-FLASH that described operating voltage is inputted by 2 pin of U8 comprises the FLASH memory U3 that model is K9F2G08U0C-SCB0, and filter circuit three, the VSS/NC22 pin of FLASH memory U3, VSS0 pin is ground connection respectively, the VCC0 pin of FLASH memory U3, VCC1 pin accesses 3.3V voltage respectively, the NC5 pin of FLASH memory U3 is by resistance R32 ground connection, the nRB pin of FLASH memory U3 will access 3.3V voltage by resistance R31, the nRB of FLASH memory U3 accesses the RnB pin of U1B, the WP pin of FLASH memory U3 is connected in the middle of an adjustable resistance R33, adjustable resistance R33 one end access 3.3V voltage, adjustable resistance R33 other end ground connection, described filter circuit three is made up of electric capacity C26, C27, C28, C29, C30, C31, C32, C33, C34, C35, C36, C37, C38, C39, C40, C41 parallel connection, one end of filter circuit three is also accessed from 2 pin of U8, the other end ground connection of filter circuit three,
The NOR-FLASH that described operating voltage is provided by 2 pin of U8 comprises the FLASH memory U4 that model is JS28F320J3F75, and filter circuit four, the A0 pin of FLASH memory U4, VSS pin is ground connection respectively, the CE0 pin of FLASH memory U4 singly enters couple connector J1 gone out by resistance R59 by one, R60 respectively with the nGCS1/GPA12 of U1A, nGCS0 pin connects, the CE1 pin of FLASH memory U4, CE2 pin, BYTE# pin, STS pin connects rear access 3.3V voltage altogether, the VPEN pin of FLASH memory U4 accesses in the middle of an adjustable resistance R35, adjustable resistance R35 one end access 3.3V voltage, adjustable resistance R35 other end ground connection, the A22 pin of FLASH memory U4, A23 pin, A24 pin is respectively by resistance R34, R36, R37 is connected to the ADDR22/GPA7 of U1A, ADDR23/GPA8, ADDR24/GPA9 pin, the RP# pin of FLASH memory U4 is connected to the nRESET pin of U1B,
pin,
pin is connected to nOE, nWE pin of U1A respectively by resistance R62, R61, described filter circuit four is made up of electric capacity C42, C43, C44, C45, C46, C47, C48 parallel connection, and the 3.3V voltage of U82 pin output, the other end ground connection of filter circuit four are also accessed in one end of filter circuit four.
9. according to claim 1 based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: described utilizing camera interface comprises single-row socket CON4, the 3.3V voltage that the voltage conversion chip VR1 being LM1117-CT1.8 by model is formed turns 1.8V circuit, and the pin 1 of single-row socket CON4 is by resistance R47, pin 2 accesses 3.3V voltage respectively by resistance R48, and the pin 5 of single-row socket CON4 is by resistance R49, R2 is connected to the CAMCLKOUT/GPJ11 pin of U1C, the pin 18 of single-row socket CON4 accesses the negative electrode of a diode D1, the anode access 3.3V voltage of diode D1, the pin 17 of single-row socket CON4 accesses 3.3V voltage, the pin 19 of single-row socket CON4 accesses 1.8V voltage, pin 20 ground connection of single-row socket CON4, the pin 3 of single-row socket CON4, pin 4, pin 6, pin 7, pin 8, pin 9, pin 10, pin 11, pin 12, pin 13, pin 14, pin 15, pin 16 is connected to the CAMRESET/GPJ12 of GPG12/EINT20 and U1C of U1B respectively, CAMHREF/GPJ10, CAMVSYNC/GPJ9, CAMPCLK/GPJ8, CAMDATA7/GPJ7, CAMDATA6/GPJ6, CAMDATA5/GPJ5, CAMDATA4/GPJ4, CAMDATA3/GPJ3, CAMDATA2/GPJ2, CAMDATA1/GPJ1, CAMDATA0/GPJ0 pin, the Vin pin access 3.3V voltage of voltage conversion chip VR1, the VOUT pin of voltage conversion chip VR1 exports 19 pin that 1.8V voltage outputs to CON4, the Vin pin of voltage conversion chip VR1 is by electric capacity C86 parallel with one another, electric capacity C88 and self GND pin ground connection altogether, and the VOUT pin of voltage conversion chip VR1 connects ground connection altogether by electric capacity C87 parallel with one another, electric capacity C89 and self GND pin.
10. according to claim 1 based on Embedded agriculture Internet of Things image collecting device, it is characterized in that: described 3G module comprises the USB line concentration controller U2 that model is AU9254A21-HAS-GR, add other peripheral circuit composition and filter circuit composition, the main devices of U2 peripheral circuit has resistance R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, electric capacity C1, C2 and crystal oscillator x1; Filter circuit by C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15, C16, C17 and inductance B1, and USB socket CN1, CN2 composition.
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