CN101660827A - Networking machine room heat exchanger energy-saving control system - Google Patents
Networking machine room heat exchanger energy-saving control system Download PDFInfo
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- CN101660827A CN101660827A CN200910106657A CN200910106657A CN101660827A CN 101660827 A CN101660827 A CN 101660827A CN 200910106657 A CN200910106657 A CN 200910106657A CN 200910106657 A CN200910106657 A CN 200910106657A CN 101660827 A CN101660827 A CN 101660827A
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Abstract
The invention relates to a heat exchanger energy-saving system, in particular to a networking machine room heat exchanger energy-saving control system based on MODBUS bus gateway, which comprises a heat exchanger system; the heat exchanger system comprises a microprocessor and an internal and external circulating fan, and also comprises an MODBUS interface circuit which is connected with the microprocessor; the output end of the MODBUS interface circuit is connected with a remote control system by the MODBUS bus; and the remote control system consists of a remote monitoring computer, a controlsystem microprocessor and the MODBUS bus gateway which are sequentially connected, wherein the MODBUS bus gateway is connected with the output end of the MODBUS interface circuit by the MODBUS bus. The system has the beneficial effects of designing functions in a modularized manner, and dispersing the energy-saving control into field apparatus, thus avoiding the failure of the whole system due tothe failure of one piece of equipement, and being beneficial to engineering configuration and maintenance. The system has the functions of remote network communication and intelligent control.
Description
Technical field
The present invention relates to the heat exchanger energy conserving system, refer more particularly to a kind of machine room heat exchanger energy-saving control system based on MODBUS bus gateway.
Background technology
The communications industry of China is not only a high-tech industry at present, also is a highly energy-consuming industry.According to statistics, general communications equipment room power consumption accounts for about 89% of its whole operation system power consumption, no matter consider from the operation cost that reduces telecommunications enterprise self, still from the social responsibility aspect of energy-conserving and environment-protective, use various technology and realize that the communication equipment room energy-conserving consumption reduction all is the key subjects that telecom operation enterprise needs solution badly.The machine room heat exchanger energy conserving system of usefulness adopts the separate unit control mode more at present, and cabling is relatively complicated in multicomputer is used, and needs the software and hardware of heat exchanger energy conserving system is reconfigured in increase and decrease equipment; And its no network communicating function can not be realized the interlock of multimetering and multicomputer, can't carry out remote monitoring.
Based on the weak point of above-mentioned existing heat exchanger energy conserving system, the inventor has designed the present invention's a kind of " networking machine room heat exchanger energy-saving control system ".
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art technical problem to be solved is: the distributed intelligence control mode that connects based on the MODBUS fieldbus is provided, (Modbus is a kind of communication structure by the MODBUS bus, being widely used in and carrying out the communication of MS master-slave mode between the smart machine) gateway links to each other with the company information network, realized the networking machine room heat exchanger energy-saving control system of energy conserving system flexible configuration and remote monitoring and administration.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of networking machine room heat exchanger energy-saving control system, comprise heat exchanger system, heat exchanger system comprises microprocessor and inside and outside circulating fan, described heat exchanger system also is provided with the MODBUS interface circuit, the input of MODBUS interface circuit is connected with the communication output of microprocessor, the output of MODBUS interface circuit links to each other with tele-control system by the MODBUS bus, tele-control system is by the remote monitoring computer that is connected successively, control system microprocessor and MODBUS bus gateway are formed, MODBUS bus gateway links to each other with the output of MODBUS interface circuit by the MODBUS bus, adopting ethernet interface circuit to be connected between MODBUS bus gateway and the remote monitoring computer communicates, MODBUS bus gateway is by MODBUS bus access heat exchanger system, the real time data of heat exchanger system is sent to MODBUS bus gateway by the MODBUS bus, be sent to the remote monitoring computer through ethernet interface circuit then, simultaneously the remote monitoring computer by IE browser page or monitoring software in regular turn through ethernet interface circuit, MODBUS bus gateway and MODBUS bus are assigned control instruction to heat exchanger system or are assigned the new parameter that is provided with, the operation of control heat exchanger system.Heat exchanger system can be suspended on the MODBUS bus by the MODBUS interface circuit, heat exchanger system promptly becomes the network-type intelligent slave station like this.
Described MODBUS bus gateway connects more than one heat exchanger system by the MODBUS bus, and the MODBUS interface circuit of each heat exchanger system all is connected with MODBUS bus gateway.
Microprocessor in the described heat exchanger system is built-in with AD modular converter and CCP module, the AD modular converter connects temperature sensor and humidity sensor respectively by signal conditioning circuit, the microprocessor of heat exchanger system links to each other with inside and outside circulating fan by starting or stopping control circuit, be provided with pulse tachometer circuit and pulse wide modulation circuit between CCP module and the inside and outside circulating fan, the pulse tachometer circuit works to detect rotation speed of fan, according to the ambient parameter of temperature sensor and humidity sensor detection, via the operation and the speed governing of starting or stopping control circuit and the inside and outside circulating fan of pulse wide modulation circuit control.The PI FUZZY ALGORITHMS FOR CONTROL is applied in the heat exchanger system, by a large amount of tests, the optimal control parameter table of the object machine room of adjusting out.Heat exchanger system is according to detected machine room internal and external environment parameter, controls by PWM and regulates rotation speed of fan, detects rotation speed of fan and carries out fault and judge by calculating the blower fan pulse frequency.
Described MODBUS bus gateway connects one or more air-conditioner control systems by the MODBUS bus, air-conditioner control system comprises air-conditioning microprocessor and the air conditioner in machine room unit that is connected, the air-conditioning microprocessor is connected with the MODBUS interface circuit, by the MODBUS interface circuit air-conditioner control system is suspended to the MODBUS bus.The remote monitoring computer is visited the embedded web server of embedded MODBUS bus gateway by IE browser or monitoring software, and embedded MODBUS bus gateway is by each heat exchanger system of MODBUS bus access and air-conditioner control system.The real time data of each heat exchanger system and air-conditioner control system is sent to embedded MODBUS bus gateway Web server by the MODBUS bus, be sent to the remote monitoring computer through Ethernet then, the computer of remote monitoring simultaneously is by IE browser page or monitoring software, assign control instruction or assign the new parameter that is provided with for each equipment through ethernet interface, embedded MODBUS bus gateway and MODBUS bus in regular turn, the operation of equipment such as control heat exchanger system and air conditioner in machine room unit.
Described air-conditioning microprocessor is provided with infrared receiving circuit, the air-conditioning microprocessor carries out the control of air conditioner in machine room unit by the infrared signal that infrared receiving circuit reception air-conditioning remote control sends, also be provided with infrared emission circuit, power control circuit and Hall testing circuit between air-conditioning microprocessor and the air conditioner in machine room unit, the infrared signal of the waveform decoder air-conditioning remote control that air-conditioner control system comes out by the infrared receiving circuit demodulation, when accepting the start and stop instruction, control machine room air conditioner group by instruction of analog telecommand device and folding power control circuit; Adopt the Hall testing circuit to detect air conditioner in machine room unit electric current and carry out the fault judgement, and many air-conditionings are carried out delayed startup with protection air-conditioning and prolongation air-conditioning life-span.
Described MODBUS bus also is connected with man-machine interface by the MODBUS interface circuit, man-machine interface is assigned the start and stop instruction by the MODBUS bus to each heat exchanger system and air-conditioner control system, and heat exchanger system and air conditioner in machine room unit are dispatched coordinated operation.
The beneficial effect of a kind of networking machine room heat exchanger energy-saving control system of the present invention is:
1, function modoularization design is distributed to Energy Saving Control in the field apparatus (Field Device), has avoided the inefficacy of an equipment to cause the inefficacy of whole system, is beneficial to the engineering configuration and safeguards.Heat exchanger system among the present invention can be automatically according to the internal and external environment parameter that detects as the network slave node of function autonomy, and start and stop and PWM speed governing by to blower fan make full use of natural cooling source and dispel the heat; The air-conditioner control system conduct is slave node independently, has the infrared ray self-learning function, can instruct according to main website, and self-starting (non-self-starting) air-conditioning of different model is accurately controlled.
2, adopt MODBUS protocol construction FCS system, only link to each other between each heat exchanger system, air-conditioner control system and the MODBUS bus gateway, can reduce field connection in a large number with a MODBUS bus; Because slave stations such as heat exchanger system have adopted function modoularization design, communication to adopt standardization agreement, system has the characteristics of opening, interchangeability and interoperability, can be configured integrated according to the equipment situation of communications equipment room, the function expansion is simplified more, is convenient to install, moves, safeguards.
3, has the remote network communication function, make full use of the existing Ethernet resource by MODBUS bus gateway, the remote monitoring computer is by the embedded MODBUS bus of ethernet access gateway Web server, can demonstrate the embedded webpage of embedded MODBUS bus gateway Web server by IE browser or monitoring software, can carry out parameter setting and monitoring on-site parameters situation of change, thereby realize network-type intelligent remote monitoring system.
4, adopt Based Intelligent Control, heat exchanger system of the present invention adopts fuzzy control that the building environment parameter is carried out Based Intelligent Control; Air-conditioner control system adopts the mode of intelligent self-learning infrared remote coding, realizes the accurate control to dissimilar air-conditionings by start and stop air-conditioning power supply, the instruction of transmission infrared control, detection air-conditioning electric current.These control modes realize by software algorithm, need not additionally to increase hardware cost, improve the ratio of performance to price of device effectively, improve the fractional energy savings and the applicability of system.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the structural principle sketch of heat exchanger system;
Fig. 2 is the structural principle sketch of air-conditioner control system;
Fig. 3 is an overall structure monitoring schematic diagram of the present invention.
Description of reference numerals:
10, heat exchanger system 20, air-conditioner control system
The specific embodiment
Referring to figs. 1 through Fig. 3, the present invention implements like this:
Networking machine room heat exchanger energy-saving control system, comprise heat exchanger system, heat exchanger system comprises microprocessor and inside and outside circulating fan, heat exchanger system also is provided with the MODBUS interface circuit, the input of MODBUS interface circuit is connected with the communication output of microprocessor, the output of MODBUS interface circuit links to each other with tele-control system by the MODBUS bus, tele-control system is by the remote monitoring computer that is connected successively, control system microprocessor and MODBUS bus gateway are formed, MODBUS bus gateway links to each other with the output of MODBUS interface circuit by the MODBUS bus, adopting ethernet interface circuit to be connected between MODBUS bus gateway and the remote monitoring computer communicates, MODBUS bus gateway is by MODBUS bus access heat exchanger system, the real time data of heat exchanger system is sent to MODBUS bus gateway by the MODBUS bus, be sent to the remote monitoring computer through ethernet interface circuit then, simultaneously the remote monitoring computer by IE browser page or monitoring software in regular turn through ethernet interface circuit, MODBUS bus gateway and MODBUS bus are assigned control instruction to heat exchanger system or are assigned the new parameter that is provided with, the operation of control heat exchanger system.
MODBUS bus gateway connects more than one heat exchanger system by the MODBUS bus, and the MODBUS interface circuit of each heat exchanger system all is connected with MODBUS bus gateway.
Microprocessor in the heat exchanger system is built-in with AD modular converter and CCP module, the AD modular converter connects temperature sensor and humidity sensor respectively by signal conditioning circuit, the microprocessor of heat exchanger system links to each other with inside and outside circulating fan by starting or stopping control circuit, be provided with pulse tachometer circuit and pulse wide modulation circuit between CCP module and the inside and outside circulating fan, according to the ambient parameter of temperature sensor and humidity sensor detection, via the operation and the speed governing of starting or stopping control circuit and the inside and outside circulating fan of pulse wide modulation circuit control.
MODBUS bus gateway connects one or more air-conditioner control systems by the MODBUS bus, air-conditioner control system comprises air-conditioning microprocessor and the air conditioner in machine room unit that is connected, the air-conditioning microprocessor is connected with the MODBUS interface circuit, by the MODBUS interface circuit air-conditioner control system is suspended to the MODBUS bus.
The air-conditioning microprocessor is provided with infrared receiving circuit, the air-conditioning microprocessor carries out the control of air conditioner in machine room unit by the infrared signal that infrared receiving circuit reception air-conditioning remote control sends, also be provided with infrared emission circuit, power control circuit and Hall testing circuit between air-conditioning microprocessor and the air conditioner in machine room unit, the infrared signal of the waveform decoder air-conditioning remote control that air-conditioner control system comes out by the infrared receiving circuit demodulation, when accepting the start and stop instruction, control machine room air conditioner group by instruction of analog telecommand device and folding power control circuit; Adopt the Hall testing circuit to detect air conditioner in machine room unit electric current and carry out the fault judgement, and many air-conditionings are carried out delayed startup with protection air-conditioning and prolongation air-conditioning life-span.
The MODBUS bus also is connected with man-machine interface by the MODBUS interface circuit, and man-machine interface is assigned the start and stop instruction by the MODBUS bus to each heat exchanger system and air-conditioner control system, and heat exchanger system and air conditioner in machine room unit are dispatched coordinated operation.
In Fig. 1, the input channel of every heat exchanger system 10 is made up of the temperature sensor that is sequentially connected to microprocessor, humidity sensor, modulate circuit, AD modular converter, pulse tachometer circuit, CCP module etc.Microprocessor is built-in with AD modular converter and CCP module, according to the ambient parameter that detects, via the operation and the speed governing of starting or stopping control circuit, the inside and outside circulating fan of pulsewidth (PWM) alignment circuit control.Microprocessor also connects the MODBUS interface circuit, heat exchanger system 10 can be suspended on the MODBUS bus by the MODBUS interface circuit, and heat exchanger system 10 promptly becomes the network-type intelligent slave station like this.
In Fig. 2, the input channel of air-conditioner control system is made up of the infrared receiving circuit that is sequentially connected to microprocessor, Hall testing circuit, and the output channel of air-conditioner control system is made up of infrared emission circuit and power control circuit.The air-conditioning microprocessor is connected with the MODBUS interface circuit, by the MODBUS interface circuit air-conditioner control system is suspended to the MODBUS bus.The air-conditioning microprocessor carries out the control of air conditioner in machine room unit by the infrared signal that infrared receiving circuit reception air-conditioning remote control sends, the infrared signal of the waveform decoder air-conditioning remote control that air-conditioner control system comes out by the infrared receiving circuit demodulation, when accepting the start and stop instruction, control machine room air conditioner group by instruction of analog telecommand device and folding power control circuit; Adopt the Hall testing circuit to detect air conditioner in machine room unit electric current and carry out the fault judgement, and many air-conditionings are carried out delayed startup with protection and prolongation air-conditioning life-span.
Fig. 3 is based on the machine room energy-saving system monitoring schematic diagram of MODBUS gateway, heat exchanger system 10, air-conditioner control system, man-machine interface link to each other by the MODBUS bus with the MODBUS gateway among the figure, the remote monitoring computer links to each other with the MODBUS gateway by Ethernet, has so just constituted remote monitoring and the management of remote computer to fieldbus networks.Embedded MODBUS bus gateway adopts ARM9 processor, ethernet interface circuit, bus driving circuits etc. to constitute the hardware platform of embedded gateway.On this platform, transplanted free, the disclosed embedded real-time operating system μ of source code C/OS-II, simplification has also been transplanted the ICP/IP protocol stack, MODBUS bus and ethernet driver have been developed, and developed embedded type C GI (Common Gateway Interface) program on this basis, realize embedded web server.Remote computer just can be realized visit to MODBUS bus gateway by host computer monitoring software or IE browser like this.The MODBUS gateway is connected the on-the-spot bottom-layer network of MODBUS with MODBUS TCP business administration network seamless, realized intellectuality, networking and the standardization of machine room heat dissipation, energy conservation system.
The above, it only is the preferred embodiment of a kind of networking machine room heat exchanger energy-saving control system of the present invention, be not that technical scope of the present invention is imposed any restrictions, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention above any trickle modification, equivalent variations and modification that embodiment did.
Claims (6)
1, networking machine room heat exchanger energy-saving control system, comprise heat exchanger system, heat exchanger system comprises microprocessor and inside and outside circulating fan, it is characterized in that: described heat exchanger system also is provided with the MODBUS interface circuit, the input of MODBUS interface circuit is connected with the communication output of microprocessor, the output of MODBUS interface circuit links to each other with tele-control system by the MODBUS bus, tele-control system is by the remote monitoring computer that is connected successively, control system microprocessor and MODBUS bus gateway are formed, MODBUS bus gateway links to each other with the output of MODBUS interface circuit by the MODBUS bus, adopting ethernet interface circuit to be connected between MODBUS bus gateway and the remote monitoring computer communicates, MODBUS bus gateway is by MODBUS bus access heat exchanger system, the real time data of heat exchanger system is sent to MODBUS bus gateway by the MODBUS bus, be sent to the remote monitoring computer through ethernet interface circuit then, simultaneously the remote monitoring computer by IE browser page or monitoring software in regular turn through ethernet interface circuit, MODBUS bus gateway and MODBUS bus are assigned control instruction to heat exchanger system or are assigned the new parameter that is provided with, the operation of control heat exchanger system.
2, networking machine room heat exchanger energy-saving control system according to claim 1, it is characterized in that described MODBUS bus gateway connects more than one heat exchanger system by the MODBUS bus, the MODBUS interface circuit of each heat exchanger system all is connected with MODBUS bus gateway.
3, networking machine room heat exchanger energy-saving control system according to claim 1 and 2, it is characterized in that the microprocessor in the described heat exchanger system is built-in with AD modular converter and CCP module, the AD modular converter connects temperature sensor and humidity sensor respectively by signal conditioning circuit, the microprocessor of heat exchanger system links to each other with inside and outside circulating fan by starting or stopping control circuit, be provided with pulse tachometer circuit and pulse wide modulation circuit between CCP module and the inside and outside circulating fan, according to the ambient parameter of temperature sensor and humidity sensor detection, via the operation and the speed governing of starting or stopping control circuit and the inside and outside circulating fan of pulse wide modulation circuit control.
4, networking machine room heat exchanger energy-saving control system according to claim 1 and 2, it is characterized in that described MODBUS bus gateway connects one or more air-conditioner control systems by the MODBUS bus, air-conditioner control system comprises air-conditioning microprocessor and the air conditioner in machine room unit that is connected, the air-conditioning microprocessor is connected with the MODBUS interface circuit, by the MODBUS interface circuit air-conditioner control system is suspended to the MODBUS bus.
5, networking machine room heat exchanger energy-saving control system according to claim 4, it is characterized in that described air-conditioning microprocessor is provided with infrared receiving circuit, the air-conditioning microprocessor carries out the control of air conditioner in machine room unit by the infrared signal that infrared receiving circuit reception air-conditioning remote control sends, also be provided with the infrared emission circuit between air-conditioning microprocessor and the air conditioner in machine room unit, power control circuit and Hall testing circuit, the infrared signal of the waveform decoder air-conditioning remote control that air-conditioner control system comes out by the infrared receiving circuit demodulation, when accepting the start and stop instruction, control machine room air conditioner group by instruction of analog telecommand device and folding power control circuit; Adopt the Hall testing circuit to detect air conditioner in machine room unit electric current and carry out the fault judgement, and many air-conditionings are carried out delayed startup with protection and prolongation air-conditioning life-span.
6, networking machine room heat exchanger energy-saving control system according to claim 1 and 2, it is characterized in that described MODBUS bus also is connected with man-machine interface by the MODBUS interface circuit, man-machine interface is assigned the start and stop instruction by the MODBUS bus to each heat exchanger system and air-conditioner control system, and heat exchanger system and air conditioner in machine room unit are dispatched coordinated operation.
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| CN200910106657A CN101660827A (en) | 2009-04-16 | 2009-04-16 | Networking machine room heat exchanger energy-saving control system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102375462A (en) * | 2010-08-20 | 2012-03-14 | 刘钢 | Energy-saving machine room regulation and control system based on Internet of things |
| CN104359189A (en) * | 2014-11-06 | 2015-02-18 | 深圳市爱绿地能源环境科技有限公司 | Central air conditioner control system and method based on embedded software |
| CN104566816A (en) * | 2014-12-26 | 2015-04-29 | 广东美的制冷设备有限公司 | Method and system for controlling indoor temperature/humidity |
| CN105278511A (en) * | 2015-11-19 | 2016-01-27 | 国家电网公司 | Equipment room temperature intelligent control system |
| CN105698340A (en) * | 2016-03-23 | 2016-06-22 | 珠海格力电器股份有限公司 | Control system of machine room air conditioner, modular machine room air conditioner system and control method thereof |
| CN106989490A (en) * | 2017-05-11 | 2017-07-28 | 同方节能工程技术有限公司 | A kind of energy-saving control system suitable for subway ventilation air-conditioning |
| CN109521680A (en) * | 2018-09-21 | 2019-03-26 | 国网天津静海供电有限公司 | A kind of automatic machine room palm skeleton |
-
2009
- 2009-04-16 CN CN200910106657A patent/CN101660827A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102375462A (en) * | 2010-08-20 | 2012-03-14 | 刘钢 | Energy-saving machine room regulation and control system based on Internet of things |
| CN104359189A (en) * | 2014-11-06 | 2015-02-18 | 深圳市爱绿地能源环境科技有限公司 | Central air conditioner control system and method based on embedded software |
| CN104359189B (en) * | 2014-11-06 | 2017-04-26 | 深圳市爱绿地能源环境科技有限公司 | Central air conditioner control system and method based on embedded software |
| CN104566816A (en) * | 2014-12-26 | 2015-04-29 | 广东美的制冷设备有限公司 | Method and system for controlling indoor temperature/humidity |
| CN104566816B (en) * | 2014-12-26 | 2017-10-10 | 广东美的制冷设备有限公司 | Indoor temperature/humidity control method and system |
| CN105278511A (en) * | 2015-11-19 | 2016-01-27 | 国家电网公司 | Equipment room temperature intelligent control system |
| CN105698340A (en) * | 2016-03-23 | 2016-06-22 | 珠海格力电器股份有限公司 | Control system of machine room air conditioner, modular machine room air conditioner system and control method thereof |
| CN106989490A (en) * | 2017-05-11 | 2017-07-28 | 同方节能工程技术有限公司 | A kind of energy-saving control system suitable for subway ventilation air-conditioning |
| CN109521680A (en) * | 2018-09-21 | 2019-03-26 | 国网天津静海供电有限公司 | A kind of automatic machine room palm skeleton |
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Open date: 20100303 |