CN1198093C - Integrated control method of energy-saving control system for central air conditioning and its basic module - Google Patents
Integrated control method of energy-saving control system for central air conditioning and its basic module Download PDFInfo
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- CN1198093C CN1198093C CN 03117540 CN03117540A CN1198093C CN 1198093 C CN1198093 C CN 1198093C CN 03117540 CN03117540 CN 03117540 CN 03117540 A CN03117540 A CN 03117540A CN 1198093 C CN1198093 C CN 1198093C
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Abstract
The present invention discloses a centralized control method of an energy-saving control system of a central air conditioner, and a basic module of the control method. The present invention comprises a control processor circuit, a storage circuit which is connected with the input port and the output port of the control processor circuit, a network communication interface circuit, a reversed phase driving circuit, an analog quantity input circuit, an analog quantity output circuit, a digital quantity input circuit, a digital quantity output circuit, a pulse input circuit and a power supply circuit. The present invention has the advantages that the present invention can realize the detection of analogue quantity and digital quantity parameters in the operation process of the central air conditioner; electromechanical devices of the central air conditioner control the output of analogue quantity and digital quantity; the operation parameters of the central air conditioner are monitored and optimized, and the work efficiency of the central air conditioner is improved so as to achieve the effect of energy saving; the present invention achieves the effects that the difficulty of field connection is reduced, the periods of programming and debugging are shortened, etc.
Description
Technical field:
The present invention relates to a kind of centralized Control method and apparatus of central air-conditioning energy control system.
Technical background:
At present, the optimization mainly adopting fuzzy controller and Programmable Logic Controller (PLC) to combine to carry out the central air conditioner system operational factor of central air-conditioning energy control technology is to reach purpose of energy saving.But programming and the debugging cycle of PLC is long, field connection is complicated, is unfavorable for the popularization of central air-conditioning energy control technology on market.
Summary of the invention:
The object of the present invention is to provide a kind of centralized Control method that adopts the central air-conditioning energy control system, can realize by this method the central air conditioner system operational factor is monitored and optimized, the operating efficiency that improves central air conditioner system is to reach the effect of energy savings.
Another object of the present invention is the device by above-mentioned centralized Control method, only need the basic module distribution to be installed in the working site of the monitored object of central air conditioner system according to the actual demand of system implementation plan, by a connection each basic module and fuzzy controller are connected in series, finish control by fuzzy controller by configuration software to central air conditioner system, thereby reduce the field connection difficulty, shorten the cycle of programming and debugging.
The object of the present invention is achieved like this: comprise two steps:
1. the central air conditioner system electromechanical equipment is controlled step: according to the actual demand of system implementation plan, with the distributed working site that is installed in the monitored object of central air conditioner system of basic module, the control processor 1 of basic module receives the control instruction of central air-conditioning energy control system fuzzy controller by connection; Digital quantity output circuit 8 requires the output on off state according to control instruction, and control processor 1 carries out the correction value processing earlier according to control instruction and parameter, then by analogue quantity output circuit 6 output voltages or electric current; According to the control instruction requirement, control processor 1 is selected analog quantity input and output circuit 5,6, and the mode of operation of pulse input circuit 9, and the corresponding work parameter is set;
2. operating detection FEEDBACK CONTROL step: digital quantity input circuit 7 is gathered the electromechanical equipment operation conditions parameter with binary states operating characteristic; Simulated measurement input circuit 5 is gathered various analog signalses, handles and be converted into digital quantity by control processor 1; Control processor 1 carries out timer counter or fixed number according to the actual requirements and overflows counting, and carry out stored count simultaneously by pulse input circuit 9 acquisition pulse signals; According to the command request of system ambiguous controller, control processor 1 passes to system ambiguous controller by network communication interface 3 parameter that the central air-conditioning energy control system is required, makes control decision by fuzzy controller.
Another object of the present invention is achieved in that it comprises control processor circuit 1, the input of control processor circuit 1, the memory circuitry 2 that delivery outlet is connected, network communication interface circuit 3, anti-phase drive circuit 4, simulated measurement input circuit 5, analogue quantity output circuit 6, digital quantity input circuit 7, digital quantity output circuit 8, pulse input circuit 9, power circuit 10, the input of control processor circuit 1, delivery outlet is connected storage circuit 2 respectively, network communication interface circuit 3, anti-phase drive circuit 4, simulated measurement input circuit 5, analogue quantity output circuit 6, digital quantity input circuit 7, digital quantity output circuit 8, pulse input circuit 9, power circuit 10 is connected with foregoing circuit respectively and working power, network communication interface circuit 3 connected system fuzzy controllers is provided.
Described control processor circuit 1 is by single-chip microcomputer D1 and crystal oscillator G1, and filter capacitor C1 forms.
Described memory circuitry 2 is by integrated circuit D2 and be attached thereto pull-up resistor R2, the R3, R4 and the filter capacitor C2 that connect and form.
Described network communication interface circuit 3 is to adopt integrated circuit D4, photo-coupler N1, N2, N3 and be attached thereto pull down resistor R6, the R7, the R9 that connect to form a half duplex communication interface.
Described anti-phase drive circuit 4 is connected to form by a slice integrated circuit D5 and filter capacitor C5.
Described simulated measurement input circuit 5 is made up of two analog acquisition unit I, the II that resistance and diode constitute, and wherein is made of the bleeder circuit of I respectively R18 and R19, R2 1 and R22, is made of the bleeder circuit of II R23 and R24, R26 and R27.
Described analogue quantity output circuit 6 is made up of integrated circuit D3, triode Q1, Q2, resistance and filter capacitor C18, C19, integrating capacitor C8, C9, wherein constitutes feedback resistance by R28, R29, R30 and R31, R32, R33 respectively.
Described digital quantity input circuit 7 is made up of two digital collecting unit I, the II that resistance and diode constitute.
Described digital quantity output circuit 8 is made up of integrated circuit N4, relay J K1, JK2, resistance R 40, R41 and diode V14, V15.
Described pulse input circuit 9 is formed pulse detector by resistance R 12, R13 and diode V2, V3.
The present invention compared with prior art, has the detection that can realize to analog quantity in the central air conditioner system running and digital quantity parameter, with the central air conditioner system electromechanical equipment is carried out the output control of analog quantity and digital quantity, and reached and reduce the field connection difficulty, shorten the advantages such as effect of programming and debugging cycle.The present invention also provides the input of 2 tunnel analog quantitys, the input of 2 road digital quantities and 1 tunnel step-by-step counting input channel that can detect simultaneously except the output of 2 tunnel analog quantitys and 2 road digital quantity output channels that can export simultaneously is provided.
The description of the drawings:
Accompanying drawing 1 is a basic block diagram of the present invention;
Accompanying drawing 2 is a detailed circuit diagram of the present invention.
The specific embodiment:
Embodiments of the invention: control processor circuit 1 is that single-chip microcomputer D1, crystal oscillator G1 and the filter capacitor C1 of P87LPC768 forms by model, aspects such as the basic structure of single-chip microcomputer P87LPC768 and assembly instruction are compatible mutually with the 80C51 series monolithic, and analog comparator, Watchdog, I2C bus, multiple functions such as A/D, PWM are arranged in the sheet.Crystal oscillator G1 provides accurate operating frequency to single-chip microcomputer; Input, the delivery outlet of control processor circuit 1 are distinguished connected storage circuit 2, network communication interface circuit 3, anti-phase drive circuit 4, simulated measurement input circuit 5, analogue quantity output circuit 6, digital quantity input circuit 7, digital quantity output circuit 8, pulse input circuit 9 with connection.
Memory circuitry 2 is that the integrated circuit D2 of 24C02 forms with three pull-up resistor R2, the R3, R4 and the filter capacitor C2 that are connected with D2 by model; Be used to store the various data of basic module.
Network communication interface circuit 3 is that the employing model is the integrated circuit D4 of MAX485, model is photo-coupler N1, N2, the N3 of 4N25 and is attached thereto pull down resistor R6, the R7, the R9 that connect and forms a RS-485 half duplex communication interface, maximum communication distance 1000m, can with the communication of central air-conditioning energy control system fuzzy controller, receive instruction and the desired data of transmission fuzzy controller that fuzzy controller sends, realize networking control; Adopting model is that photo-coupler N1, N2, the N3 of 4N25 can realize and the isolation fully of field apparatus communication, has improved the security of System Operation.In the time of network communication interface work, by the working condition of light emitting diode L2 indication network communication interface circuit 3.
Anti-phase drive circuit 4 is that integrated circuit D5 and the filter capacitor C5 of 74HC04 connects to form by model, is used to drive enabling of digital quantity output circuit 6 and control network communication interface circuit 3.
Simulated measurement input circuit 5 constitutes two analog acquisition unit A1, A2 forming by resistance and diode to be formed, and wherein is made of the divider resistance of A1 respectively R18 and R19, R21 and R22, is made of the divider resistance of A2 R23 and R24, R26 and R27; Be used to gather analog signal.
Analogue quantity output circuit 6 is made up of integrated circuit D3, triode Q1, Q2, resistance and filter capacitor C18, C19, integrating capacitor C8, C9, wherein constitutes feedback resistance by R28, R29, R30 and R31, R32, R33 respectively; Be used to export analog signal.
Digital quantity input circuit 7 is formed two digital collecting unit B1, B2 constituting by resistance and diode and is formed; Be used to gather digital quantity signal.
Digital quantity output circuit 8 is that integrated circuit N4, relay J K1, JK2, resistance R 40, R41 and diode V14, the V15 of ULN2003 forms by model; Be used to export digital quantity signal.
Pulse input circuit 9 is formed pulse detector by resistance R 12, R13 and diode V2, V; Be used for the acquisition pulse signal.
Power circuit 10 is made up of rectifier bridge V1, power module POWER1, power module POWER2 and filter capacitor, this circuit to control processor circuit 1 and other circuit provide+5V and ± the 15V working power, the circuit of also being made up of light emitting diode and resistance is indicated the working condition of power circuit simultaneously.
Claims (11)
1, a kind of centralized Control method of central air-conditioning energy control system is characterized in that: comprise two steps:
1. the central air conditioner system electromechanical equipment is controlled step; Actual demand according to system implementation plan, with the distributed working site that is installed in the monitored object of central air conditioner system of basic module, the control processor (1) of basic module receives the control instruction of central air-conditioning energy control system fuzzy controller by connection; Digital quantity output circuit (8) requires the output on off state according to control instruction, and control processor (1) carries out the correction value processing earlier according to control instruction and parameter, then by analogue quantity output circuit (6) output voltage or electric current; According to the control instruction requirement, control processor (1) is selected analog quantity input and output circuit (5), (6), and the mode of operation of pulse input circuit (9), and the corresponding work parameter is set;
2. operating detection FEEDBACK CONTROL step: digital quantity input circuit (7) collection has the electromechanical equipment operation conditions parameter of binary states operating characteristic; Simulated measurement input circuit (5) is gathered various analog signalses, handles and be converted into digital quantity by control processor (1); Control processor (1) carries out timer counter or fixed number according to the actual requirements and overflows counting, and carry out stored count simultaneously by pulse input circuit (9) acquisition pulse signal; According to the command request of system ambiguous controller, control processor (1) passes to system ambiguous controller by network communication interface (3) parameter that the central air-conditioning energy control system is required, makes control decision by fuzzy controller.
2, a kind of central air-conditioning energy control system basic module, it comprises control processor circuit (1), the input of control processor circuit (1), the memory circuitry that delivery outlet is connected (2), network communication interface circuit (3), anti-phase drive circuit (4), simulated measurement input circuit (5), analogue quantity output circuit (6), digital quantity input circuit (7), digital quantity output circuit (8), pulse input circuit (9), power circuit (10), it is characterized in that: the input of control processor circuit (1), delivery outlet is connected storage circuit (2) respectively, network communication interface circuit (3), anti-phase drive circuit (4), simulated measurement input circuit (5), analogue quantity output circuit (6), digital quantity input circuit (7), digital quantity output circuit (8), pulse input circuit (9), power circuit (10) is connected with foregoing circuit respectively and working power, network communication interface circuit (3) connected system fuzzy controller is provided.
3, central air-conditioning energy control system basic module according to claim 2 is characterized in that: described control processor circuit (1) is by single-chip microcomputer D1 and crystal oscillator G1, and filter capacitor C1 forms.
4, central air-conditioning energy control system basic module according to claim 2 is characterized in that: described memory circuitry (2) is by integrated circuit D2 and be attached thereto pull-up resistor R2, the R3, R4 and the filter capacitor C2 that connect and form.
5, central air-conditioning energy control system basic module according to claim 2 is characterized in that: described network communication interface circuit (3) is to adopt integrated circuit D4, photo-coupler N1, N2, N3 and be attached thereto pull down resistor R6, the R7, the R9 that connect to form a half duplex communication interface.
6, central air-conditioning energy control system basic module according to claim 2, it is characterized in that: described anti-phase drive circuit (4) is connected to form by a slice integrated circuit D5 and filter capacitor C5.
7, central air-conditioning energy control system basic module according to claim 2, it is characterized in that: described simulated measurement input circuit (5) is made up of two analog acquisition unit I, the II that resistance and diode constitute, the bleeder circuit of wherein being made of I respectively R18 and R19, R21 and R22 is made of the bleeder circuit of II R23 and R24, R26 and R27.
8, central air-conditioning energy control system basic module according to claim 2, it is characterized in that: described analogue quantity output circuit (6) is made up of integrated circuit D3, triode Q1, Q2, resistance and filter capacitor C18, C19, integrating capacitor C8, C9, wherein constitutes feedback resistance by R28, R29, R30 and R31, R32, R33 respectively.
9, central air-conditioning energy control system basic module according to claim 2 is characterized in that: described digital quantity input circuit (7) is made up of two digital collecting unit I, the II that resistance and diode constitute.
10, central air-conditioning energy control system basic module according to claim 2, it is characterized in that: described digital quantity output circuit (8) is made up of integrated circuit N4, relay J K1, JK2, resistance R 40, R41 and diode V14, V15.
11, central air-conditioning energy control system basic module according to claim 2, it is characterized in that: described pulse input circuit (9) is formed pulse detector by resistance R 12, R13 and diode V2, V3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03117540 CN1198093C (en) | 2003-03-25 | 2003-03-25 | Integrated control method of energy-saving control system for central air conditioning and its basic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03117540 CN1198093C (en) | 2003-03-25 | 2003-03-25 | Integrated control method of energy-saving control system for central air conditioning and its basic module |
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| Publication Number | Publication Date |
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| CN1455199A CN1455199A (en) | 2003-11-12 |
| CN1198093C true CN1198093C (en) | 2005-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03117540 Expired - Fee Related CN1198093C (en) | 2003-03-25 | 2003-03-25 | Integrated control method of energy-saving control system for central air conditioning and its basic module |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297787C (en) * | 2004-07-20 | 2007-01-31 | 贵州华城楼宇科技有限公司 | Chilled water energy-saving apparatus of cental air conditioner |
| CN1297785C (en) * | 2004-07-20 | 2007-01-31 | 贵州华城楼宇科技有限公司 | Distribution type high efficient energy device of central air conditioner |
| CN1297786C (en) * | 2004-07-20 | 2007-01-31 | 贵州华城楼宇科技有限公司 | Cold / worming water energy-saving apparatus of central air conditioner |
| JP2011179722A (en) * | 2010-02-26 | 2011-09-15 | Toshiba Corp | Air conditioning control system |
| CN102878635B (en) * | 2012-04-13 | 2014-12-31 | 武汉裕生智能节能设备有限公司 | Intelligent energy-saving control system of combined air conditioner and control program thereof |
| CN106196529B (en) * | 2016-09-21 | 2018-04-06 | 常州机电职业技术学院 | Free-standing central air-conditioning shutter air outlet intelligent control system |
| CN108006894B (en) * | 2017-12-12 | 2019-10-01 | 湖南省计量检测研究院 | A kind of Portable type central air-conditioning energy efficiency monitoring method for early warning |
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