CN103696975A - PSoC (Programmable System on Chip)-based FFU (Fan Filter Units) fan frequency conversion speed regulation controller - Google Patents

PSoC (Programmable System on Chip)-based FFU (Fan Filter Units) fan frequency conversion speed regulation controller Download PDF

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Publication number
CN103696975A
CN103696975A CN201310704146.XA CN201310704146A CN103696975A CN 103696975 A CN103696975 A CN 103696975A CN 201310704146 A CN201310704146 A CN 201310704146A CN 103696975 A CN103696975 A CN 103696975A
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ffu
circuit
psoc
control chip
fan
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CN201310704146.XA
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Chinese (zh)
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汪义旺
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Suzhou Vocational University
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Suzhou Vocational University
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Priority to CN201310704146.XA priority Critical patent/CN103696975A/en
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Abstract

The invention discloses a PSoC (Programmable System on Chip)-based FFU (Fan Filter Units) fan frequency conversion speed regulation controller. The PSoC-based FFU fan frequency conversion speed regulation controller comprises a core control chip which adopts a PSoC chip; the core control chip receives working parameter information set through a key regulation input circuit; set data of the key regulation input circuit is stored into an I2C memory chip interface circuit under the control of the core control chip; the key regulation input circuit displays information which can be displayed and operated through an output circuit when performs setting operation; the core control chip reads input data of an FFU fan rotating speed feedback circuit and an FFU fan working voltage or current feedback input circuit in real time when starts working; a clock circuit which provides real-time clock information inputs the real-time clock information to the core control chip to be served as clock data of the integral controller. The PSoC-based FFU fan frequency conversion speed regulation controller has the advantages of being compact in structure, accurate in control and high in reliability and effectively achieving control of the FFU fan frequency conversion and speed regulation due to the PSoC which is served as a core.

Description

A kind of FFU fan frequency conversion speed-regulating controller based on PSoC
Technical field
The present invention relates to a kind of FFU fan frequency conversion speed-regulating controller, the FFU fan frequency conversion speed-regulating controller based on PSoC that refer in particular to a kind of compact structure, control accurately, reliability is high.
Background technique
FFU(Fan Filter Unit, fan filter uints) as a kind of novel purifying air-feeding equipment, be widely used in all kinds of cleaning projects.In order effectively to utilize FFU system, must implement effective control and management to FFU, particularly the speed regulating control to FFU blower fan.Traditional controller often adopts based on many grades of step speed regulations of routine or based on MCU(single-chip microcomputer) variable voltage speed control control mode, there is the shortcomings such as control accuracy is low, not energy-conservation, reliability is not high in these control modes.For meeting the need of market, adopt high performance control technique, the FFU fan frequency conversion speed-regulating controller based on PSoC (Programmable System on Chip, programmable system on chip) that provide a kind of compact structure, control accurately, reliability is high is very necessary.
Summary of the invention
The FFU fan frequency conversion speed-regulating controller based on PSoC that the present invention seeks to provide a kind of compact structure in order to overcome the deficiencies in the prior art, control accurately, reliability is high.
For achieving the above object, the technical solution used in the present invention is: a kind of FFU fan frequency conversion speed-regulating controller based on PSoC, the button adjustment input circlult, FFU rotation speed of fan feed back input circuit, FFU blower fan work voltage/current feed back input circuit, control signal output circuit, display output circuit, the I that comprise kernel control chip and be connected with kernel control chip respectively 2c storage chip interface circuit, clock circuit; Described kernel control chip adopts PsoC chip; Described kernel control chip is accepted to adjust from button the running parameter information that input circlult is set; The setting data that described button is adjusted input circlult all stores I under the control of kernel control chip 2in C storage chip interface circuit; Meanwhile, when button is adjusted input circlult and carried out setting operation, the information that display output circuit can display operation, so that operator operates; After kernel control chip is started working, read in real time the input data of FFU rotation speed of fan feed back input circuit and FFU blower fan work voltage/current feed back input circuit, the data of the FFU rotation speed of fan feed back input circuit wherein reading are using the value of feedback as the speed governing of FFU fan frequency conversion, and compare with setting value, to determine whether to change the parameter of control signal output circuit; The parameter of the FFU blower fan work voltage/current feed back input circuit reading is as protection judgment basis; situation if there is overvoltage or excess current; kernel control chip will send protective signal, and carry out alarm by display output circuit, the event data record of reporting to the police be arrived to I simultaneously 2in C storage chip interface circuit; Described clock circuit provides real-time clock input information in kernel control chip, as the clock data of whole controller.
Preferably, the described FFU fan frequency conversion speed-regulating controller based on PSoC, also comprises RS485 communication circuit; Described RS485 communication circuit, can realize remote networking.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
It is control core that FFU fan frequency conversion speed-regulating controller based on PSoC of the present invention adopts PsoC, there is compact structure, control accurately, reliability is high, can effectively realize the frequency control of motor speed of FFU blower fan is controlled, be specially adapted to the application of conventional single phase alternating current FFU blower fan system.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the fundamental diagram of the FFU fan frequency conversion speed-regulating controller based on PSoC of the present invention;
Accompanying drawing 2 is the application schematic diagram of the FFU fan frequency conversion speed-regulating controller based on PSoC of the present invention;
Wherein: 1, kernel control chip; 2, button is adjusted input circlult; 3, FFU rotation speed of fan feed back input circuit; 4, FFU blower fan work voltage/current feed back input circuit; 5, RS485 communication circuit; 6, control signal output circuit; 7, display output circuit; 8, I2C storage chip interface circuit and clock circuit.
embodimentbelow in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing 1 is the FFU fan frequency conversion speed-regulating controller based on PSoC of the present invention, the button adjustment input circlult 2, FFU rotation speed of fan feed back input circuit 3, FFU blower fan work voltage/current feed back input circuit 4, RS485 communication circuit 5, control signal output circuit 6, display output circuit 7, the I that comprise kernel control chip 1 and be connected with kernel control chip 1 respectively 2c storage chip interface circuit 8, clock circuit 9; Described kernel control chip 1 adopts PsoC chip; Described kernel control chip 1 is accepted to adjust from button the running parameter information that input circlult 2 is set, comprise FFU blower fan numbering, air rate adjustment rate, communication baud rate information, the data that kernel control chip 1 is adjusted input circlult 2 settings by the button according to receiving when starting working are carried out work; Meanwhile, when button is adjusted input circlult 2 and carried out setting operation, the information that display output circuit 7 can display operation, so that operator operates; The setting data that described button is adjusted input circlult 2 all stores I under the control of kernel control chip 1 2in C storage chip interface circuit 8; After kernel control chip 1 is started working, read in real time the input data of FFU rotation speed of fan feed back input circuit 3 and FFU blower fan work voltage/current feed back input circuit 4, the data of the FFU rotation speed of fan feed back input circuit 3 wherein reading are using the value of feedback as the speed governing of FFU fan frequency conversion, and compare with setting value, to determine whether to change the parameter of control signal output circuit 6; The parameter of the FFU blower fan work voltage/current feed back input circuit 4 reading is as protection judgment basis; situation if there is overvoltage or excess current; kernel control chip 1 will send protective signal; and carry out alarm by display output circuit 7, the event data record of reporting to the police is arrived to I simultaneously 2in C storage chip interface circuit 8; Described clock circuit 9 provides real-time clock input information in kernel control chip 1, as the clock data of whole controller; Described RS485 communication circuit 5, can realize remote networking, can realize long-range controller parameter setting and monitoring after remote networking, improves the automatization level of controller.
Be the application schematic diagram of the FFU fan frequency conversion speed-regulating controller based on PSoC of the present invention as shown in Figure 2; The input end of the described FFU fan frequency conversion speed-regulating controller based on PSoC is connected with AC Ac, and output terminal is connected with FFU blower fan; By the FFU fan frequency conversion speed-regulating controller based on PSoC, to the control of input electric energy, can realize the frequency control of motor speed to FFU blower fan, wherein said RS485 communication circuit 5 can realize many stylobates in the group net operation of the FFU of PSoC fan frequency conversion speed-regulating controller.The described FFU fan frequency conversion speed-regulating controller based on PSoC can work in local and RS485 networking pattern, when being operated under local mode, can adjust the running parameter that input circlult 2 is adjusted controller by button; When being operated in networking pattern lower time, the instruction that can receive from remote center by RS485 communication circuit 5, and the parameter of setting according to instruction is carried out work.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
It is control core that FFU fan frequency conversion speed-regulating controller based on PSoC of the present invention adopts PsoC, there is compact structure, control accurate, high reliability, can effectively realize the frequency control of motor speed of FFU blower fan is controlled, be specially adapted to the application of conventional single phase alternating current FFU blower fan system.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.

Claims (2)

1. the FFU fan frequency conversion speed-regulating controller based on PSoC, is characterized in that: the button adjustment input circlult, FFU rotation speed of fan feed back input circuit, FFU blower fan work voltage/current feed back input circuit, control signal output circuit, display output circuit, the I that comprise kernel control chip and be connected with kernel control chip respectively 2c storage chip interface circuit, clock circuit; Described kernel control chip adopts PsoC chip; Described kernel control chip is accepted to adjust from button the running parameter information that input circlult is set; The setting data that described button is adjusted input circlult all stores I under the control of kernel control chip 2in C storage chip interface circuit; Meanwhile, when button is adjusted input circlult and carried out setting operation, the information that display output circuit can display operation, so that operator operates; After kernel control chip is started working, read in real time the input data of FFU rotation speed of fan feed back input circuit and FFU blower fan work voltage/current feed back input circuit, the data of the FFU rotation speed of fan feed back input circuit wherein reading are using the value of feedback as the speed governing of FFU fan frequency conversion, and compare with setting value, to determine whether to change the parameter of control signal output circuit; The parameter of the FFU blower fan work voltage/current feed back input circuit reading is as protection judgment basis; situation if there is overvoltage or excess current; kernel control chip will send protective signal, and carry out alarm by display output circuit, the event data record of reporting to the police be arrived to I simultaneously 2in C storage chip interface circuit; Described clock circuit provides real-time clock input information in kernel control chip, as the clock data of whole controller.
2. the FFU fan frequency conversion speed-regulating controller based on PSoC according to claim 1, is characterized in that: also comprise RS485 communication circuit; Described RS485 communication circuit, can realize remote networking.
CN201310704146.XA 2013-12-20 2013-12-20 PSoC (Programmable System on Chip)-based FFU (Fan Filter Units) fan frequency conversion speed regulation controller Pending CN103696975A (en)

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CN201310704146.XA CN103696975A (en) 2013-12-20 2013-12-20 PSoC (Programmable System on Chip)-based FFU (Fan Filter Units) fan frequency conversion speed regulation controller

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Application Number Priority Date Filing Date Title
CN201310704146.XA CN103696975A (en) 2013-12-20 2013-12-20 PSoC (Programmable System on Chip)-based FFU (Fan Filter Units) fan frequency conversion speed regulation controller

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105570173A (en) * 2015-12-17 2016-05-11 山东海量信息技术研究院 Pluggable fan intelligent control system
CN105892434A (en) * 2016-05-30 2016-08-24 苏州英德尔室内空气技术有限公司 FFU (fan filter unit) controller
CN111140530A (en) * 2019-12-31 2020-05-12 盛科网络（苏州）有限公司 Method for realizing SoC fan control under bootloader and SoC applying same

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040009074A1 (en) * 2002-07-15 2004-01-15 Adc Dsl Systems, Inc. Fan control system
CN101017020A (en) * 2007-03-05 2007-08-15 江苏华峰电器控制设备厂 Control system of vehicle air-conditioning
CN201733273U (en) * 2010-01-26 2011-02-02 苏州市职业大学 FFU fan variable-frequency speed-regulating controller
CN102748315A (en) * 2012-07-04 2012-10-24 苏州市职业大学 Control method of direct-current brushless fan controller for fan filter unit
CN103107687A (en) * 2013-01-26 2013-05-15 青岛威控电气有限公司 Anti-explosion converter control panel circuit for coal mine
CN202971257U (en) * 2012-06-11 2013-06-05 苏州市职业大学 Blower variable frequency and speed regulation controller of FFU (fan filter unit)
CN103148007A (en) * 2012-11-27 2013-06-12 洛阳源创电气有限公司 Mine ventilating fan control system capable of automatically adjusting air quantity
CN203114683U (en) * 2013-01-17 2013-08-07 东莞市创丰科技发展有限公司 Fan remote monitoring system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040009074A1 (en) * 2002-07-15 2004-01-15 Adc Dsl Systems, Inc. Fan control system
CN101017020A (en) * 2007-03-05 2007-08-15 江苏华峰电器控制设备厂 Control system of vehicle air-conditioning
CN201733273U (en) * 2010-01-26 2011-02-02 苏州市职业大学 FFU fan variable-frequency speed-regulating controller
CN202971257U (en) * 2012-06-11 2013-06-05 苏州市职业大学 Blower variable frequency and speed regulation controller of FFU (fan filter unit)
CN102748315A (en) * 2012-07-04 2012-10-24 苏州市职业大学 Control method of direct-current brushless fan controller for fan filter unit
CN103148007A (en) * 2012-11-27 2013-06-12 洛阳源创电气有限公司 Mine ventilating fan control system capable of automatically adjusting air quantity
CN203114683U (en) * 2013-01-17 2013-08-07 东莞市创丰科技发展有限公司 Fan remote monitoring system
CN103107687A (en) * 2013-01-26 2013-05-15 青岛威控电气有限公司 Anti-explosion converter control panel circuit for coal mine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105570173A (en) * 2015-12-17 2016-05-11 山东海量信息技术研究院 Pluggable fan intelligent control system
CN105570173B (en) * 2015-12-17 2017-05-10 山东海量信息技术研究院 Pluggable fan intelligent control system
CN105892434A (en) * 2016-05-30 2016-08-24 苏州英德尔室内空气技术有限公司 FFU (fan filter unit) controller
CN111140530A (en) * 2019-12-31 2020-05-12 盛科网络（苏州）有限公司 Method for realizing SoC fan control under bootloader and SoC applying same
CN111140530B (en) * 2019-12-31 2021-11-12 苏州盛科通信股份有限公司 Method for realizing SoC fan control under bootloader and SoC applying same

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Application publication date: 20140402