CN106972793A - Automatic weight dilutes instrument circuit - Google Patents
Automatic weight dilutes instrument circuit Download PDFInfo
- 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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- Prior art keywords
- stm32 chip
- weight
- chips
- modules
- signal
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Links
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 24
- 238000010790 dilution Methods 0.000 claims description 10
- 239000012895 dilution Substances 0.000 claims description 10
- 239000013078 crystal Substances 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000005303 weighing Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
- H02P8/005—Arrangements for controlling dynamo-electric motors rotating step by step of linear motors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cash Registers Or Receiving Machines (AREA)
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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710303264.8A CN106972793A (en) | 2017-05-03 | 2017-05-03 | Automatic weight dilutes instrument circuit |
Applications Claiming Priority (1)
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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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CN201710303264.8A Pending CN106972793A (en) | 2017-05-03 | 2017-05-03 | Automatic weight dilutes instrument circuit |
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Cited By (2)
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 |
CN110060553A (en) * | 2019-04-29 | 2019-07-26 | 南京科技职业学院 | Pressure pressure apparatus for demonstrating of the liquid to vessel bottom surface |
-
2017
- 2017-05-03 CN CN201710303264.8A patent/CN106972793A/en active Pending
Cited By (2)
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 |
CN110060553A (en) * | 2019-04-29 | 2019-07-26 | 南京科技职业学院 | Pressure pressure apparatus for demonstrating of the liquid to vessel bottom surface |
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Legal Events
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Application publication date: 20170721 |