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 PDFInfo
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- 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
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- hall type
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- stm32 microcontrollers
- sensor
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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
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.
Priority Applications (1)
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CN201721797926.3U CN207623404U (en) | 2017-12-21 | 2017-12-21 | A kind of digital table of novel simple electric parameter acquisition |
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CN201721797926.3U CN207623404U (en) | 2017-12-21 | 2017-12-21 | A kind of digital table of novel simple electric parameter acquisition |
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CN207623404U true CN207623404U (en) | 2018-07-17 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111522282A (en) * | 2020-05-27 | 2020-08-11 | 北京无线电测量研究所 | Electronic product with shuttle flying knob |
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2017
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111522282A (en) * | 2020-05-27 | 2020-08-11 | 北京无线电测量研究所 | Electronic product with shuttle flying knob |
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