CN208270983U - Wisdom pumping plant master controller - Google Patents
Wisdom pumping plant master controller Download PDFInfo
- Publication number
- CN208270983U CN208270983U CN201820636659.XU CN201820636659U CN208270983U CN 208270983 U CN208270983 U CN 208270983U CN 201820636659 U CN201820636659 U CN 201820636659U CN 208270983 U CN208270983 U CN 208270983U
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- China
- Prior art keywords
- simulation
- processing unit
- central processing
- master controller
- pumping plant
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- 238000005086 pumping Methods 0.000 title claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 46
- 238000004088 simulation Methods 0.000 claims abstract description 37
- 238000012545 processing Methods 0.000 claims abstract description 31
- 239000013078 crystal Substances 0.000 claims abstract description 15
- 238000002955 isolation Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000036039 immunity Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to controller technology field, specifically a kind of wisdom pumping plant master controller.The utility model includes power input portion, central processing unit, crystal oscillator, digital input section, simulation input part, memory, the simulation output part for connecting external frequency converter, the output relay for connecting external pump and communication part；The power input portion connection external power supply and the central processing unit, the central processing unit are also connected with crystal oscillator, digital input section, simulation input part, memory, simulation output part, output relay and communication part.The central controller of the utility model is standard ARM framework, and high-performance is inexpensive, low-power consumption, and resourceful in piece, scalability is strong, and has the advantages that abundant communication interface, the output of strong interference immunity, multi-analog, load capacity are strong.
Description
Technical field
The utility model relates to controller technology field, specifically a kind of wisdom pumping plant master controller.
Background technique
Wisdom pumping plant master controller is urban water supply center networking core equipment, and effect meets pumping plant constant pressure water supply,
Data upload, internal networking.
Currently, there are the following problems for existing wisdom pumping plant master controller:
1. central controller uses 51 single-chip microcontrollers, processing speed is extremely low, and resource is few in piece, is unfavorable for extending；
2. communication interface is single: generally only one group of 232 interface；
3. anti-interference ability is poor: analog signal and digital signal do not accomplish effectively to be isolated, and anti-noise ability is poor, power grid
Interference is big；
4. load capacity is poor: at most can only 4 pump work at the same time, and combine fixed single.
Utility model content
Aiming at the defects existing in the prior art, the technical problem to be solved by the present invention is to provide one kind
Wisdom pumping plant master controller.
The utility model technical solution used for the above purpose is: a kind of wisdom pumping plant master controller, packet
Include power input portion, central processing unit, crystal oscillator, digital input section, simulation input part, memory, for connecting outside
The simulation output part of frequency converter, the output relay for connecting external pump and communication part；The power input portion
Connection external power supply and the central processing unit, the central processing unit are also connected with crystal oscillator, digital input section, simulation input portion
Point, memory, simulation output part, output relay and communication part.
The power input portion includes voltage-stablizer for external power supply to be converted to 5V power supply and is used for 5V power supply
Be converted to the linear voltage regulator of 3.3V working power；The input terminal of the voltage-stablizer connects external power supply, described in output end connection
The output end of the input terminal of linear voltage regulator, the linear voltage regulator connects the central processing unit.
The central processing unit uses STM32F103VET6A.
The crystal oscillator is 8M crystal oscillator.
The digital input section includes the digital input port being linked in sequence and input optocoupler, the digital input port
For receiving external digital signal, the output end of the input optocoupler connects the central processing unit.
The simulation input part includes the simulation input port being linked in sequence and the first operational amplifier, and the simulation is defeated
Inbound port connects the central processing unit for receiving outer analog signal, the output end of first operational amplifier.
The simulation output part includes the second operational amplifier being linked in sequence and simulation output port, second fortune
The output end for calculating amplifier connects the output end of the central processing unit, and the simulation output port is for connecting frequency converter.
The communication part includes communicating isolation optocoupler and several communication interfaces, described in the communication isolation optocoupler connection
Central processing unit and the communication interface.
The communication module includes 232 communication interfaces, main 485 communication interfaces, from 485 communication interfaces and CAN interface.
The utility model have the following advantages that and the utility model has the advantages that
1. central controller uses STM32F103VET6 (32 bit processor), standard ARM framework, high-performance, low cost,
Low-power consumption, resourceful in piece, scalability is strong.
2. communication interface is abundant: 2 485 communication ports (one main one from), 1 232 communication port, 1 CAN interface.It is logical
News all using high speed photo coupling isolation processing, guarantee the reliability of communication.
3. strong interference immunity: signal acquisition all carries out Phototube Coupling, avoids the electromagnetic interference for carrying out autonomous power grid；
4. multi-analog exports: 2 groups of 0---10V outputs, 2 groups of 4---20mA outputs.
5. load capacity is strong: at most can band 6 pump work at the same time, can by software be arranged can any combination.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the local circuit schematic diagram of the output relay of the utility model；
Fig. 3 is the local circuit schematic diagram of the input optocoupler of the utility model；
Fig. 4 is the circuit diagram of the CAN interface of the utility model；
Fig. 5 is the circuit diagram of the simulation output port of the utility model；
Fig. 6 is the circuit diagram of 232 communication interfaces of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
As shown in Figure 1, wisdom pumping plant master controller, including power input portion, central processing unit, crystal oscillator, number are defeated
Enter part, simulation input part, memory, the simulation output part for connecting external frequency converter, for connecting external pump
Output relay and communication part；The power input portion connection external power supply and the central processing unit, the center
Processor is also connected with crystal oscillator, digital input section, simulation input part, memory, simulation output part, output relay and leads to
Interrogate part.The power input portion includes voltage-stablizer for external power supply to be converted to 5V power supply and is used to turn 5V power supply
It is changed to the linear voltage regulator of 3.3V working power；The input terminal of the voltage-stablizer connects external power supply, and output end connects the line
Property voltage-stablizer input terminal, the output end of the linear voltage regulator connects the central processing unit.The central processing unit uses
STM32F103VET6A.The crystal oscillator is 8M crystal oscillator.The digital input section include be linked in sequence digital input port and
Optocoupler is inputted, the digital input port connects in described for receiving external digital signal, the output end of the input optocoupler
Central processor.The simulation input part includes the simulation input port being linked in sequence and the first operational amplifier, the simulation
Input port connects the central processing unit for receiving outer analog signal, the output end of first operational amplifier.It is described
Simulation output part include be linked in sequence second operational amplifier and simulation output port, the second operational amplifier it is defeated
Outlet connects the output end of the central processing unit, and the simulation output port is for connecting frequency converter.The communication section subpackage
Communication isolation optocoupler and several communication interfaces are included, the communication isolation optocoupler connects the central processing unit and the communication connects
Mouthful.The communication module includes 232 communication interfaces, main 485 communication interfaces, from 485 communication interfaces and CAN interface.
In one embodiment of the utility model, external power supply exports 5V power supply through voltage-stablizer LM78L05, then by linear
Voltage-stablizer AMS1117 provides the stable working power of 3.3V for central processing unit STM32F103VET6A, provides essence by 8M crystal oscillator
Quasi- work clock；Memory MB85RC16 is user data memory, it is ensured that user data power down is not lost.
External digital signal is input to center after digital input port is by input optocoupler TL181 isolation (as shown in Figure 3)
Processor STM32F103VET6 is handled；The analog signals such as external real-time pressure, flow, water level through simulation input port by
After first operational amplifier LM258 amplifies shaping, calculation process is carried out into central processing unit STM32F103VET6.
Central processing unit STM32F103VET6 by after acquisition to external signal, operation through second operational amplifier
After LM258 power amplification, by simulation output port output analog signal (as shown in Figure 5), external frequency converter timing is controlled to reach
To constant pressure water supply purpose, start and stop and the plus-minus of external pump, the circuit of output relay are controlled by output relay HF49FD
Schematic diagram is as shown in Fig. 2, whole circuit diagram is the superposition of similar Fig. 2.
232 communication interface MAX232 progress level translation (as shown in Figure 6) is simultaneously communicated with host computer；Two 485 logical
Communication interface 65LBC184 (main 485 communication interfaces and from 485 communication interfaces) carries out level translation and is divided into one main one from respective independence
Operation uploads, Principle of External Device Extension for data.There are also one group of CAN interface TJA1050 for wisdom pumping plant master controller
It is (as shown in Figure 4) to be used for internal group-net communication.All of above communication port is all through communicating isolation optocoupler TLP113 isolated location
Carry out interference of the isolation from external electrical network of signal input and output.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (9)
1. a kind of wisdom pumping plant master controller, which is characterized in that including power input portion, central processing unit, crystal oscillator, number
Importation, simulation input part, memory, the simulation output part for connecting external frequency converter, for connecting external water
The output relay and communication part of pump；Power input portion connection external power supply and the central processing unit, it is described in
Central processor be also connected with crystal oscillator, digital input section, simulation input part, memory, simulation output part, output relay and
Communication part.
2. wisdom pumping plant master controller according to claim 1, which is characterized in that the power input portion includes using
In the voltage-stablizer that external power supply is converted to 5V power supply and the linear voltage regulator for being used to be converted to 5V power supply 3.3V working power；
The input terminal of the voltage-stablizer connects external power supply, and output end connects the input terminal of the linear voltage regulator, the linear voltage stabilization
The output end of device connects the central processing unit.
3. wisdom pumping plant master controller according to claim 1, which is characterized in that the central processing unit uses
STM32F103VET6A。
4. wisdom pumping plant master controller according to claim 1, which is characterized in that the crystal oscillator is 8M crystal oscillator.
5. wisdom pumping plant master controller according to claim 1, which is characterized in that the digital input section includes suitable
The digital input port and input optocoupler of sequence connection, the digital input port is for receiving external digital signal, the input
The output end of optocoupler connects the central processing unit.
6. wisdom pumping plant master controller according to claim 1, which is characterized in that the simulation input part includes suitable
The simulation input port of sequence connection and the first operational amplifier, the simulation input port are described for receiving outer analog signal
The output end of first operational amplifier connects the central processing unit.
7. wisdom pumping plant master controller according to claim 1, which is characterized in that the simulation output part includes suitable
The output end of the second operational amplifier of sequence connection and simulation output port, the second operational amplifier connects the centre
The output end of device is managed, the simulation output port is for connecting frequency converter.
8. wisdom pumping plant master controller according to claim 1, which is characterized in that the communication part include communication every
From optocoupler and several communication interfaces, the communication isolation optocoupler connects the central processing unit and the communication interface.
9. wisdom pumping plant master controller according to claim 8, which is characterized in that the communication interface includes 232 logical
Communication interface, main 485 communication interfaces, from 485 communication interfaces and CAN interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820636659.XU CN208270983U (en) | 2018-05-02 | 2018-05-02 | Wisdom pumping plant master controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820636659.XU CN208270983U (en) | 2018-05-02 | 2018-05-02 | Wisdom pumping plant master controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208270983U true CN208270983U (en) | 2018-12-21 |
Family
ID=64680245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820636659.XU Expired - Fee Related CN208270983U (en) | 2018-05-02 | 2018-05-02 | Wisdom pumping plant master controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208270983U (en) |
-
2018
- 2018-05-02 CN CN201820636659.XU patent/CN208270983U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |