CN106972793A - Automatic weight dilutes instrument circuit - Google Patents

Automatic weight dilutes instrument circuit Download PDF

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Publication number
CN106972793A
CN106972793A CN201710303264.8A CN201710303264A CN106972793A CN 106972793 A CN106972793 A CN 106972793A CN 201710303264 A CN201710303264 A CN 201710303264A CN 106972793 A CN106972793 A CN 106972793A
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CN
China
Prior art keywords
stm32 chip
weight
chips
modules
signal
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Pending
Application number
CN201710303264.8A
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Chinese (zh)
Inventor
孙松
吴凯
牛宗超
李剑
梁菊
刘金鑫
席卓君
马凯
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Nanjing Polytechnic Institute
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Nanjing Polytechnic Institute
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Application filed by Nanjing Polytechnic Institute filed Critical Nanjing Polytechnic Institute
Priority to CN201710303264.8A priority Critical patent/CN106972793A/en
Publication of CN106972793A publication Critical patent/CN106972793A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P8/00Arrangements for controlling dynamo-electric motors of the kind having motors rotating step by step
    • H02P8/005Arrangements for controlling dynamo-electric motors of the kind having motors rotating step by step of linear motors

Abstract

Instrument circuit is diluted the invention discloses automatic weight, including weight sensor, a kind of drive circuit and 57 stepper motors of STM32 chip controls peristaltic pump stepper motor, and HX711 modules, STM32 chip modules, touch screen module and power module, weight sensor, for weight signal to be switched into analog signal;HX711 modules, receive the analog signal of weight, and are switched to the data signal of sign weight;STM32 chip modules, receive the data signal for characterizing weight, and switched to command signal;A kind of drive circuit of STM32 chip controls peristaltic pump stepper motor, receives command signal, and switched to the drive signal of stepper motor;Touch screen module, for show current weight and and status information of equipment, and user instruction switched into control instruction give STM32 chip modules;57 stepper motors, receive drive signal, and drive the work of 57 stepper motors;Power module is powered.Precision of the present invention is high, with low cost, performance stable, and market application foreground is very wide.

Description

Automatic weight dilutes instrument circuit
Technical field
Instrument circuit is diluted the present invention relates to automatic weight.
Background technology
At present, the research of weighing technology has marched toward new situation, and dynamic weighing measurement and intelligent, mould are pursued in every profession and trade On the basis of block, modernization, some weight is diluted and liquid distribution precise requirements very high industry, gradually Automatic weight dilution instrument is developed.Automatic weight dilution instrument is usually used in food, medicine, cosmetics and microbiological specimens dilution, by Especially high for the required precision of liquid diluting in the industry, common weighing device can not be met, thus, in the urgent need to height Precision, the weighing for automating mode.
A kind of drive circuit of STM32 chip controls peristaltic pump stepper motor is the hair of Application No. 2016212184725 Bright patent, the circuit can realize the motion of 57 stepper motors, by a kind of driving of STM32 chip controls peristaltic pump stepper motor Circuit applies to automatic weight dilution instrument circuit, can control the titration of liquid by the work of motor, so as to reach automatic The purpose of weight dilution.
A automatic weight dilution instrument circuit is thus needed, can not only be walked by a kind of STM32 chip controls peristaltic pump The drive circuit of stepper motor reaches the purpose of automatic dilution, and precision is higher, cheap.
The content of the invention
The present invention is directed to existing deficiency, devises automatic weight dilution instrument circuit, can not only pass through a kind of STM32 chips The drive circuit of peristaltic pump stepper motor is controlled to reach the purpose of automatic dilution, and precision is higher, it is cheap.The present invention It is using technical scheme:
Automatic weight dilutes instrument circuit, includes the driving electricity of weight sensor, a kind of STM32 chip controls peristaltic pump stepper motor Road and 57 stepper motors, it is characterised in that also including HX711 modules, STM32 chip modules, touch screen module and power module, Weight sensor, for weight signal to be switched into analog signal;HX711 modules, receive the analog signal of weight, and are switched to Characterize the data signal of weight;STM32 chip modules, receive the data signal for characterizing weight, and switched to a kind of STM32 cores The command signal of the drive circuit of piece control peristaltic pump stepper motor;A kind of drive of STM32 chip controls peristaltic pump stepper motor Dynamic circuit, receives command signal, and switched to the drive signal of stepper motor;Touch screen module, for showing current weight With with status information of equipment, and user instruction switched into control instruction give STM32 chip modules;57 stepper motors, receive and drive Dynamic signal, and drive the work of 57 stepper motors;Power module, for HX711 modules, STM32 chip modules, a kind of STM32 Chip controls peristaltic pump stepper motor driving circuit and touch screen module are powered.
Weight sensor model 10KG resistance strain type pressure sensors, the sensor signal passes through four port connectors JP2 is connected with HX711 modules.
HX711 modules include HX711 chips and four port connector JP2, and connector JP2 1-4 pin are respectively connected to The 5-8 pin of HX711 chips, 100uF electric capacity in parallel between No. 5 pin and No. 6 pin of HX711 chips, No. 1 pin meets VCC_3V3,2 and 3 Number pin meets VCC_3V3 through 10K resistance respectively, No. 4 pin ground connection, meanwhile, 2 and No. 3 pin respectively by network label SCK (PB9) H and DT (PB10) U3TX are connected with STM32 chip modules.
STM32 chip modules include STM32F103C8T6 chips, the OSC_IN/PD0 of STM32F103C8T6 chips and OSC_OUT/PD1 ports are grounded through 30PF respectively, meanwhile, parallel connection 8M crystal oscillators between OSC_IN/PD0 and OSC_OUT/PD1 ports; VDD_1, VDD_2, VDD_3 and VDDA port of STM32F103C8T6 chips meet VCC_3V3;STM32F103C8T6 chips VSS_1, VSS_2, VSS_3 and VSSA port meet GND;The NRST ports of STM32F103C8T6 chips meet VCC_ through 10K resistance 3V3;The PB2/BOOT1 ports of STM32F103C8T6 chips meet GND through 10K;PB9, PB10 end of STM32F103C8T6 chips Mouthful by SCK (PB9) and DT (PB10) U3TX networks label reception HX711 module by signal, the PA4 of STM32F103C8T chips 6, Given by network label EN+ (PA4), DR+ (PA6), PL+ (PC13) signal output PA6 and PC13-TAMPER-RTC ports A kind of drive circuit of STM32 chip controls peristaltic pump stepper motor;PA9, PA10 port of STM32F103C8T6 chips pass through U1TX (PA9) and U1RX (PA10) network labels carry out signal transmission with touch screen module.
Touch screen module includes touch-screen, touch-screen model DC80480A050_01TF_RTC, the STM32 chip module Network label U1RX (PA10) by FET 2N7002 by DOUT output give touch-screen No. 5 pin, U1RX (PA10) Signal meets VCC_3V3 through 4.7K resistance, and FET 2N7002 grids meet VCC_3V3, and DOUT signals meet VCC_ through 4.7K resistance 5V;
The network label U1TX (PA9) of STM32 chip modules gives touch-screen by FET 2N7002 by DIN outputs No. 4 pin, U1TX (PA9) signals meet VCC_3V3 through 4.7K resistance, and FET 2N7002 grids meet VCC_3V3, DIN signals warp 4.7K resistance meets VCC_5V;No. 7 of touch-screen and No. 8 pin meet VCC_5V, No. 1 and No. 2 pin ground connection.
Power module includes AMS1117 chips, and extraneous 5V signals are introduced by network label VCC_5V, are a kind of STM32 Chip controls peristaltic pump stepper motor driving circuit and touch screen module are powered;Network label VCC_5V accesses AMS1117 VIN Port, meanwhile, VIN ports are respectively through 336 electric capacity and 104 capacity earths, and AMS1117 GND ports are grounded, AMS1117's VOUT ports export VCC_3V3,336 electric capacity and 104 electric capacity in parallel between VOUT ports and ground, while network label VCC_3V3 Powered for HX711 modules, STM32 chip modules and touch screen module.
Beneficial effects of the present invention:Precision of the present invention is high, with low cost, performance stable, and market application foreground is very wide.
Brief description of the drawings
Fig. 1 is the block diagram of the present invention;
Fig. 2 is the HX711 modular circuits of the present invention;
Fig. 3 is the STM32 chip module circuits of the present invention;
Fig. 4 is the touch screen module circuit of the present invention;
Fig. 5 is the power module circuitry of the present invention.
Embodiment
The present invention is specifically introduced below in conjunction with drawings and examples as follows:
Automatic weight dilutes instrument circuit, includes the driving electricity of weight sensor, a kind of STM32 chip controls peristaltic pump stepper motor Road and 57 stepper motors, it is characterised in that also including HX711 modules, STM32 chip modules, touch screen module and power module, Weight sensor, for weight signal to be switched into analog signal;HX711 modules, receive the analog signal of weight, and are switched to Characterize the data signal of weight;STM32 chip modules, receive the data signal for characterizing weight, and switched to a kind of STM32 cores The command signal of the drive circuit of piece control peristaltic pump stepper motor;A kind of drive of STM32 chip controls peristaltic pump stepper motor Dynamic circuit, receives command signal, and switched to the drive signal of stepper motor;Touch screen module, for showing current weight With with status information of equipment, and user instruction switched into control instruction give STM32 chip modules;57 stepper motors, receive and drive Dynamic signal, and drive the work of 57 stepper motors;Power module, for HX711 modules, STM32 chip modules, a kind of STM32 Chip controls peristaltic pump stepper motor driving circuit and touch screen module are powered.
Weight sensor model 10KG resistance strain type pressure sensors, the sensor signal passes through four port connectors JP2 is connected with HX711 modules.
HX711 modules include HX711 chips and four port connector JP2, and connector JP2 1-4 pin are respectively connected to The 5-8 pin of HX711 chips, 100uF electric capacity in parallel between No. 5 pin and No. 6 pin of HX711 chips, No. 1 pin meets VCC_3V3,2 and 3 Number pin meets VCC_3V3 through 10K resistance respectively, No. 4 pin ground connection, meanwhile, 2 and No. 3 pin respectively by network label SCK (PB9) H and DT (PB10) U3TX are connected with STM32 chip modules.
HX711 is a 24 A/D converter chips for aiming at high-precision electronic scale and designing.With the other chips of same type Compare, the integrated chip includes the peripheral circuit required for the other similar cake cores such as voltage-stabilized power supply, on-chip clock oscillator, There is integrated level height, fast response time, strong interference immunity.
STM32 chip modules include STM32F103C8T6 chips, the OSC_IN/PD0 of STM32F103C8T6 chips and OSC_OUT/PD1 ports are grounded through 30PF respectively, meanwhile, parallel connection 8M crystal oscillators between OSC_IN/PD0 and OSC_OUT/PD1 ports; VDD_1, VDD_2, VDD_3 and VDDA port of STM32F103C8T6 chips meet VCC_3V3;STM32F103C8T6 chips VSS_1, VSS_2, VSS_3 and VSSA port meet GND;The NRST ports of STM32F103C8T6 chips meet VCC_ through 10K resistance 3V3;The PB2/BOOT1 ports of STM32F103C8T6 chips meet GND through 10K;PB9, PB10 end of STM32F103C8T6 chips Mouthful by SCK (PB9) and DT (PB10) U3TX networks label reception HX711 module by signal, the PA4 of STM32F103C8T chips 6, Given by network label EN+ (PA4), DR+ (PA6), PL+ (PC13) signal output PA6 and PC13-TAMPER-RTC ports A kind of drive circuit of STM32 chip controls peristaltic pump stepper motor;PA9, PA10 port of STM32F103C8T6 chips pass through U1TX (PA9) and U1RX (PA10) network labels carry out signal transmission with touch screen module.
Touch screen module includes touch-screen, touch-screen model DC80480A050_01TF_RTC, the STM32 chip module Network label U1RX (PA10) by FET 2N7002 by DOUT output give touch-screen No. 5 pin, U1RX (PA10) Signal meets VCC_3V3 through 4.7K resistance, and FET 2N7002 grids meet VCC_3V3, and DOUT signals meet VCC_ through 4.7K resistance 5V;
The network label U1TX (PA9) of STM32 chip modules gives touch-screen by FET 2N7002 by DIN outputs No. 4 pin, U1TX (PA9) signals meet VCC_3V3 through 4.7K resistance, and FET 2N7002 grids meet VCC_3V3, DIN signals warp 4.7K resistance meets VCC_5V;No. 7 of touch-screen and No. 8 pin meet VCC_5V, No. 1 and No. 2 pin ground connection.
Power module includes AMS1117 chips, and extraneous 5V signals are introduced by network label VCC_5V, are a kind of STM32 Chip controls peristaltic pump stepper motor driving circuit and touch screen module are powered;Network label VCC_5V accesses AMS1117 VIN Port, meanwhile, VIN ports are respectively through 336 electric capacity and 104 capacity earths, and AMS1117 GND ports are grounded, AMS1117's VOUT ports export VCC_3V3,336 electric capacity and 104 electric capacity in parallel between VOUT ports and ground, while network label VCC_3V3 Powered for HX711 modules, STM32 chip modules and touch screen module.
The present invention is disclosed with preferred embodiment above, so it is not intended to limiting the invention, all to take equivalent substitution Or the technical scheme that the form of equivalent transformation is obtained, it is within the scope of the present invention.

Claims (6)

1. automatic weight dilutes instrument circuit, including weight sensor, a kind of driving of STM32 chip controls peristaltic pump stepper motor Circuit and 57 stepper motors, it is characterised in that also including HX711 modules, STM32 chip modules, touch screen module and power supply mould Block,
Weight sensor, for weight signal to be switched into analog signal;
HX711 modules, receive the analog signal of weight, and are switched to the data signal of sign weight;
STM32 chip modules, receive the data signal for characterizing weight, and switched to a kind of STM32 chip controls peristaltic pump step The command signal of the drive circuit of stepper motor;
A kind of drive circuit of STM32 chip controls peristaltic pump stepper motor, receives command signal, and switched to stepper motor Drive signal;
Touch screen module, for show current weight and and status information of equipment, and user instruction switched into control instruction given STM32 chip modules;
57 stepper motors, receive drive signal, and drive the work of 57 stepper motors;
Power module, for being driven to HX711 modules, STM32 chip modules, a kind of STM32 chip controls peristaltic pump stepper motor Dynamic circuit and touch screen module are powered.
2. automatic weight dilutes instrument circuit according to claim 1, it is characterised in that weight sensor model 10KG resistance Strain pressure transducer, the sensor signal is connected by four port connector JP2 with HX711 modules.
3. according to claim 1 automatic weight dilution instrument circuit, it is characterised in that HX711 modules include HX711 chips and Four port connector JP2, connector JP2 1-4 pin are respectively connected to the 5-8 pin of HX711 chips, No. 5 pin of HX711 chips with Parallel connection 100uF electric capacity between No. 6 pin, No. 1 pin meets VCC_3V3, and 2 and No. 3 pin meet VCC_3V3 through 10K resistance respectively, and No. 4 pin connect Ground, meanwhile, 2 and No. 3 pin are connected by network label SCK (PB9) H and DT (PB10) U3TX with STM32 chip modules respectively.
4. automatic weight dilutes instrument circuit according to claim 1, it is characterised in that STM32 chip modules include STM32F103C8T6 chips,
OSC_IN/PD0 the and OSC_OUT/PD1 ports of STM32F103C8T6 chips are grounded through 30PF respectively, meanwhile, OSC_IN/ Parallel connection 8M crystal oscillators between PD0 and OSC_OUT/PD1 ports;
VDD_1, VDD_2, VDD_3 and VDDA port of STM32F103C8T6 chips meet VCC_3V3;
VSS_1, VSS_2, VSS_3 and VSSA port of STM32F103C8T6 chips meet GND;
The NRST ports of STM32F103C8T6 chips meet VCC_3V3 through 10K resistance;
The PB2/BOOT1 ports of STM32F103C8T6 chips meet GND through 10K;
PB9, PB10 port of STM32F103C8T6 chips are received by SCK (PB9) and DT (PB10) U3TX networks label HX711 module by signal,
PA4, PA6 and PC13-TAMPER-RTC port of STM32F103C8T chips 6 pass through network label EN+ (PA4), DR+ (PA6), PL+ (PC13) signal output, gives a kind of drive circuit of STM32 chip controls peristaltic pump stepper motor;
PA9, PA10 port of STM32F103C8T6 chips pass through U1TX (PA9) and U1RX (PA10) network labels and touch-screen Module carries out signal transmission.
5. automatic weight dilutes instrument circuit according to claim 1, it is characterised in that touch screen module includes touch-screen, institute Touch-screen model DC80480A050_01TF_RTC is stated,
The network label U1RX (PA10) of STM32 chip modules gives touch-screen by FET 2N7002 by DOUT outputs No. 5 pin, U1RX (PA10) signals meet VCC_3V3 through 4.7K resistance, and FET 2N7002 grids meet VCC_3V3, DOUT signals VCC_5V is met through 4.7K resistance;
The network label U1TX (PA9) of STM32 chip modules gives touch-screen by FET 2N7002 by DIN outputs No. 4 pin, U1TX (PA9) signals meet VCC_3V3 through 4.7K resistance, and FET 2N7002 grids meet VCC_3V3, DIN signals warp 4.7K resistance meets VCC_5V;
No. 7 of touch-screen and No. 8 pin meet VCC_5V, No. 1 and No. 2 pin ground connection.
6. automatic weight dilutes instrument circuit according to claim 1, it is characterised in that power module includes AMS1117 chips, Extraneous 5V signals by network label VCC_5V introduce, be a kind of STM32 chip controls peristaltic pump stepper motor driving circuit and Touch screen module is powered;
Network label VCC_5V accesses AMS1117 VIN ports, meanwhile, VIN ports connect through 336 electric capacity and 104 electric capacity respectively Ground, AMS1117 GND ports ground connection, AMS1117 VOUT ports output VCC_3V3, in parallel 336 between VOUT ports and ground Electric capacity and 104 electric capacity, power while network label VCC_3V3 is HX711 modules, STM32 chip modules and touch screen module.
CN201710303264.8A 2017-05-03 2017-05-03 Automatic weight dilutes instrument circuit Pending CN106972793A (en)

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Application Number Priority Date Filing Date Title
CN201710303264.8A CN106972793A (en) 2017-05-03 2017-05-03 Automatic weight dilutes instrument circuit

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Application Number Priority Date Filing Date Title
CN201710303264.8A CN106972793A (en) 2017-05-03 2017-05-03 Automatic weight dilutes instrument circuit

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CN106972793A true CN106972793A (en) 2017-07-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109497042A (en) * 2018-12-20 2019-03-22 重庆市宝山汇源农业科技有限公司 Rabbit semen dilution device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109497042A (en) * 2018-12-20 2019-03-22 重庆市宝山汇源农业科技有限公司 Rabbit semen dilution device

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Application publication date: 20170721