CN207623404U - A kind of digital table of novel simple electric parameter acquisition - Google Patents

A kind of digital table of novel simple electric parameter acquisition Download PDF

Info

Publication number
CN207623404U
CN207623404U CN201721797926.3U CN201721797926U CN207623404U CN 207623404 U CN207623404 U CN 207623404U CN 201721797926 U CN201721797926 U CN 201721797926U CN 207623404 U CN207623404 U CN 207623404U
Authority
CN
China
Prior art keywords
hall type
termination
connecing
stm32 microcontrollers
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201721797926.3U
Other languages
Chinese (zh)
Inventor
刘仍庆
潘永全
白保健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinan Jimeile Power Supply Technology Co Ltd
Original Assignee
Jinan Jimeile Power Supply Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jinan Jimeile Power Supply Technology Co Ltd filed Critical Jinan Jimeile Power Supply Technology Co Ltd
Priority to CN201721797926.3U priority Critical patent/CN207623404U/en
Application granted granted Critical
Publication of CN207623404U publication Critical patent/CN207623404U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

The utility model is related to a kind of novel simple electric parameters to acquire digital table, including STM32 microcontrollers(1), Hall type voltage sensor(2), Hall type current sensor(3), liquid crystal display(4), operational amplifier(5), intersect galvanic couple(6), with STM32 microcontrollers(1)It is responsible for data processing and circuit control for main control chip, by Hall type voltage sensor(2), Hall type current sensor(3)Associative operation amplifier(5)Electronic component separately constitutes voltage collection circuit and current collection circuit, then by STM32 microcontrollers(1)A/D module gathered data, utilize intersect galvanic couple(6)Zero cross detection circuit is constituted, STM32 microcontrollers are periodically given(1)I/O pin high level signals, then by STM32 microcontrollers(1)Data processing is carried out, the result obtained arrives liquid crystal display using RS485 communications protocol is defeated, in liquid crystal display(4)On show the voltage, electric current and frequency of alternating current, complete the work of monitoring unit output electrical energy parameter.

Description

A kind of digital table of novel simple electric parameter acquisition
Technical field
The utility model belongs to generating set technical field more particularly to a kind of novel simple electric parameter acquisition number Table.
Background technology
In generator unit, digital table can be acquired and show to parameters such as voltage, electric currents that it is exported, act on It is essential in the unit.Current digital table integrates many functions, and component is more, and circuit is complicated, leads to number The reliability of table reduces, and then digital telogenesis is caused to be the part for being easiest to break down in unit, substantially reduces unit operation Reliability, and many functions are not necessarily to for a user, increase cost instead.Therefore it designs a easy Digital table has very high practicability and economic value.
Invention content
Complicated, high failure rate that utility model aims to solve current digital table designs and it is expensive the problems such as. The technical solution adopted in the utility model is in order to achieve the above objectives:A kind of digital table of novel simple electric parameter acquisition, including STM32 microcontrollers, Hall type current sensor, liquid crystal display, operational amplifier, intersect galvanic couple at Hall type voltage sensor, It is characterized in that:Its connection type is as follows:16,17 ends of STM32 microcontrollers connect the 1 of liquid crystal display, 2 ends respectively, and STM32 is mono- 1 end of 14 termination operational amplifiers of piece machine, while one end of capacitance C1, resistance R4 are connect, 15 termination operations of STM32 microcontrollers 7 ends of amplifier, while one end of capacitance C2, resistance R7 are connect, 11 terminations of STM32 microcontrollers intersect 4 ends of galvanic couple 6, simultaneously One end of connecting resistance R10;One end of 2 terminating resistor R2, R4 of operational amplifier, while connecing one end of capacitance C1, operation amplifier One end of 3 terminating resistor R3, R8 of device, while one end of capacitance C3 is connect, 4 termination -15V power supplys of operational amplifier, operation is put One end of 5 terminating resistor R6, R9 of big device, while connecing one end of capacitance C4;The one of 6 terminating resistor R5, R7 of operational amplifier End, while connecing one end of capacitance C2;8 termination+15V power supplys of operational amplifier, 1 terminating resistor R2 of Hall type voltage sensor One end, 2 termination -15V power supplys of Hall type voltage sensor, while connecing 2 ends of Hall type current sensor, Hall type voltage 3 termination+15V power supplys of sensor, while 1 end of Hall type current sensor is connect, 4 terminating resistors of Hall type voltage sensor One end of R1 and 1,3 ends for intersecting galvanic couple, one end of 5 termination alternating currents of Hall type voltage sensor;The other end of resistance R1 The other end of alternating current is connect, 4 ends of one end of 3 terminating resistor R5 of Hall type current sensor, Hall type current sensor are logical Overload connects one end of alternating current, the other end of 5 termination alternating currents of Hall type current sensor, and 2 terminations for intersecting galvanic couple are handed over One end of galvanic electricity intersects one end of 5 terminating resistor R3, R6 of galvanic couple while being grounded;+ 1.65V power supplys meet the one of capacitance C3, C4 End, while one end of connecting resistance R8, R9.Here it is that the single line of load supplying passes through the hole of Hall type current sensor.This reality With it is novel be to be responsible for data processing and circuit control using STM32 microcontrollers as main control chip, by Hall type voltage sensor, Hall The electronic components such as type current sensor associative operation amplifier separately constitute voltage collection circuit and current collection circuit, then by The A/D module gathered data of STM32 microcontrollers constitutes zero cross detection circuit using galvanic couple is intersected, can periodically give STM32 monolithics The I/O pin high level signals of machine finally carry out data processing by STM32 microcontrollers, and the result obtained is communicated using RS485 Agreement is defeated to arrive liquid crystal display, and the voltage, electric current and frequency of alternating current are shown on liquid crystal display, and it is defeated to complete monitoring unit Go out the work of electrical energy parameter.
The utility model is a kind of digital table of novel simple electric parameter acquisition, and component is few, simple in structure, reliability Height, maintenanceability is high, and at low cost, especially suitable in the generator unit without sophisticated functions.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In figure, 1, STM32 microcontrollers, 2, Hall type voltage sensor, 3, Hall type current sensor, 4, liquid crystal display Screen, 5, operational amplifier, 6, intersect galvanic couple.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings of the specification.
Complicated, high failure rate that utility model aims to solve current digital table designs and it is expensive the problems such as. The technical solution adopted in the utility model is in order to achieve the above objectives:A kind of digital table of novel simple electric parameter acquisition, including STM32 microcontrollers 1, Hall type current sensor 3, liquid crystal display 4, operational amplifier 5, intersect at Hall type voltage sensor 2 Galvanic couple 6, it is characterised in that:Its connection type is as follows:16,17 ends of STM32 microcontrollers 1 connect the 1 of liquid crystal display 4,2 respectively End, 1 end of 14 termination operational amplifiers 5 of STM32 microcontrollers 1, while connecing one end of capacitance C1, resistance R4, STM32 microcontrollers 7 ends of 1 15 termination operational amplifiers 5, while one end of capacitance C2, resistance R7 are connect, 11 terminations of STM32 microcontrollers 1 are intersected 4 ends of galvanic couple 6, while one end of connecting resistance R10;One end of 2 terminating resistor R2, R4 of operational amplifier 5, while meeting capacitance C1 One end, one end of 3 terminating resistor R3, R8 of operational amplifier 5, while connecing one end of capacitance C3,4 ends of operational amplifier 5 - 15V power supplys, one end of 5 terminating resistor R6, R9 of operational amplifier 5 are connect, while connecing one end of capacitance C4;Operational amplifier 5 One end of 6 terminating resistor R5, R7, while connecing one end of capacitance C2;8 termination+15V power supplys of operational amplifier 5, Hall type voltage One end of 1 terminating resistor R2 of sensor 2,2 termination -15V power supplys of Hall type voltage sensor 2, while connecing Hall type electric current 2 ends of sensor 3,3 termination+15V power supplys of Hall type voltage sensor 2, while 1 end of Hall type current sensor 3 is connect, suddenly One end of 4 terminating resistor R1 of your type voltage sensor 2 and 1,3 ends for intersecting galvanic couple 6,5 terminations of Hall type voltage sensor 2 One end of alternating current;The other end of another termination alternating current of resistance R1,3 terminating resistor R5's of Hall type current sensor 3 One end, 4 ends of Hall type current sensor 3 connect one end of alternating current by load, and 5 terminations of Hall type current sensor 3 are handed over The other end of galvanic electricity intersects one end of 2 termination alternating currents of galvanic couple 6, intersects one end of 5 terminating resistor R3, R6 of galvanic couple 6 simultaneously Ground connection;+ 1.65V power supplys connect one end of capacitance C3, C4, while one end of connecting resistance R8, R9.Here it is the single line of load supplying Across the hole of Hall type current sensor 3.It is that main control chip is responsible for data processing and circuit control with STM32 microcontrollers 1, by suddenly The electronic components such as your type voltage sensor 2,3 associative operation amplifier 5 of Hall type current sensor separately constitute voltage acquisition Circuit and current collection circuit, then by the A/D module gathered data of STM32 microcontrollers 1, zero passage detection is constituted using galvanic couple 6 is intersected Circuit can periodically give the I/O pin high level signals of STM32 microcontrollers 1, finally carry out data by STM32 microcontrollers 1 The result obtained is arrived liquid crystal display using RS485 communications protocol is defeated, alternating current is shown on liquid crystal display 4 by reason Voltage, electric current and frequency complete the work of monitoring unit output electrical energy parameter.
The utility model is a kind of digital table of novel simple electric parameter acquisition, and component is few, simple in structure, reliability Height, maintenanceability is high, and at low cost, especially suitable in the generator unit without sophisticated functions.

Claims (1)

1. a kind of digital table of novel simple electric parameter acquisition, including STM32 microcontrollers(1), Hall type voltage sensor(2)、 Hall type current sensor(3), liquid crystal display(4), operational amplifier(5), intersect galvanic couple(6), it is characterised in that:Connection side Formula is as follows:STM32 microcontrollers(1)16,17 ends connect liquid crystal display respectively(4)1,2 ends, STM32 microcontrollers(1)14 ends Connect operational amplifier(5)1 end, while connecing one end of capacitance C1, resistance R4, STM32 microcontrollers(1)15 termination operation amplifiers Device(5)7 ends, while connecing one end of capacitance C2, resistance R7, STM32 microcontrollers(1)11 termination intersect galvanic couples(6)4 ends, One end of connecting resistance R10 simultaneously;Operational amplifier(5)2 terminating resistor R2, R4 one end, while connecing one end of capacitance C1, transport Calculate amplifier(5)3 terminating resistor R3, R8 one end, while connecing one end of capacitance C3, operational amplifier(5)4 termination -15V Power supply, operational amplifier(5)5 terminating resistor R6, R9 one end, while connecing one end of capacitance C4;Operational amplifier(5)6 One end of terminating resistor R5, R7, while connecing one end of capacitance C2;Operational amplifier(5)8 termination+15V power supplys, Hall type electricity Pressure sensor(2)1 terminating resistor R2 one end, Hall type voltage sensor(2)2 termination -15V power supplys, while connecing Hall Type current sensor(3)2 ends, Hall type voltage sensor(2)3 termination+15V power supplys, while connecing Hall type current sense Device(3)1 end, Hall type voltage sensor(2)4 terminating resistor R1 one end and intersect galvanic couple(6)1,3 ends, Hall type Voltage sensor(2)5 termination alternating currents one end;The other end of another termination alternating current of resistance R1, Hall type electric current pass Sensor(3)3 terminating resistor R5 one end, Hall type current sensor(3)4 ends one end of alternating current is connect by load, suddenly That type current sensor(3)5 termination alternating currents the other end, intersect galvanic couple(6)2 termination alternating currents one end, intersect electricity It is even(6)One end of 5 terminating resistor R3, R6 be grounded simultaneously;+ 1.65V power supplys connect one end of capacitance C3, C4, while connecting resistance R8, One end of R9.
CN201721797926.3U 2017-12-21 2017-12-21 A kind of digital table of novel simple electric parameter acquisition Active CN207623404U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721797926.3U CN207623404U (en) 2017-12-21 2017-12-21 A kind of digital table of novel simple electric parameter acquisition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721797926.3U CN207623404U (en) 2017-12-21 2017-12-21 A kind of digital table of novel simple electric parameter acquisition

Publications (1)

Publication Number Publication Date
CN207623404U true CN207623404U (en) 2018-07-17

Family

ID=62820676

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721797926.3U Active CN207623404U (en) 2017-12-21 2017-12-21 A kind of digital table of novel simple electric parameter acquisition

Country Status (1)

Country Link
CN (1) CN207623404U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111522282A (en) * 2020-05-27 2020-08-11 北京无线电测量研究所 Electronic product with shuttle flying knob

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111522282A (en) * 2020-05-27 2020-08-11 北京无线电测量研究所 Electronic product with shuttle flying knob

Similar Documents

Publication Publication Date Title
CN207623404U (en) A kind of digital table of novel simple electric parameter acquisition
CN207265886U (en) A kind of power circuit with alternating voltage detection function
CN205959015U (en) Multichannel analog quantity collector and water pump intelligent gateway who makes with this collector
CN204928078U (en) Intelligent ammeter working power supply with short -circuit protection circuit
CN103872890B (en) Switching power supply circuit with short-circuit protection function
CN110514348A (en) A kind of intelligent digital pressure transmitter circuit
CN207473330U (en) A kind of wisdom home energy source central controller
CN103353566B (en) Battery for mimic channel equipment testing circuit in place
CN101777756B (en) Over-current protection circuit for insulated gate bipolar transistor
CN214959536U (en) Chopping device for power line communication
CN201608514U (en) Overcurrent protection circuit used for insulating gate bipolar transistor
CN206422761U (en) A kind of switching signal detects circuit
CN104779629A (en) Wireless communication control system for capacitance compensation cabinet in transmission grid
CN206041485U (en) Electrical safety protection circuit of battery
CN201993879U (en) Wireless fault alarm of digital cables
CN204789741U (en) A voltage detecting system for domestic intelligent power distribution system
CN201533074U (en) Intelligent power saving socket
CN204441856U (en) Electric current and voltage switching earth leakage protective device
CN209383375U (en) A kind of pulse-detecting circuit of urea for vehicle charging machine
CN208753676U (en) A kind of wireless connection type wiring board with USB interface
CN208399959U (en) The control circuit of mixed signal pointer meters
CN205921531U (en) Converting circuit reaches industry control equipment including converting circuit
CN201926699U (en) Low-voltage circuit for power failure detection
CN202330553U (en) Intelligent electronic electric energy meter
CN201754264U (en) Computer power monitoring device and computer

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant