CN1198094C - Integrated control method of energy-saving control system for central air conditioning and its platinum resistance interface module - Google Patents
Integrated control method of energy-saving control system for central air conditioning and its platinum resistance interface module Download PDFInfo
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- CN1198094C CN1198094C CN 03117541 CN03117541A CN1198094C CN 1198094 C CN1198094 C CN 1198094C CN 03117541 CN03117541 CN 03117541 CN 03117541 A CN03117541 A CN 03117541A CN 1198094 C CN1198094 C CN 1198094C
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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 an interface module of a platinum resistor of the centralized control method. The present invention comprises a control processor circuit, a storage circuit, a network communication interface circuit, a platinum resistor interface 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 temperature and pulsed quantity parameters in the operation process of the central air conditioner system; the operation parameters of the central air conditioner system are monitored and optimized, and the work efficiency of the central air conditioner system is improved so as to achieve the effect of energy saving; the present invention reduces the difficulty of field connection and shortens the period of programming and debugging, 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 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 extensive 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 of 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 by above-mentioned central controlled device, only need the distribution of RTD interface module 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 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: it comprises two steps:
1. the central air conditioner system electromechanical equipment is controlled step: according to the actual demand of system implementation plan, module distribution is installed in the working site of the monitored object of central air conditioner system; Control processor 1 receives the control instruction of flow-changing energy-saving control system fuzzy controller by connection; According to the control instruction requirement, the mode of operation of control processor 1 strobe pulse input circuit 5, and the corresponding work parameter is set;
2. operating detection FEEDBACK CONTROL step: RTD interface circuit 4 sends control processor 1 by RTD collecting temperature signal to by the integrated circuit processing and after being converted into digital quantity; 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 5 acquisition pulse signals; According to the command request of system ambiguous controller, control processor 1 passes to system ambiguous controller by network communication interface circuit 3 parameter that flow-changing energy-saving control system is required, makes control decision by fuzzy controller.
Another object of the present invention is to constitute like this: comprise control processor circuit 1, memory circuitry 2, network communication interface circuit 3, RTD interface circuit 4, pulse input circuit 5, power circuit 6, the input of control processor circuit 1, memory circuitry 2, network communication interface circuit 3, RTD interface circuit 4, the pulse input circuit 5 that delivery outlet connects respectively, power circuit 6 is connected with foregoing circuit respectively and working power is provided; Network communication interface circuit 3 is connected with system ambiguous controller.
Described control processor circuit 1 is made up of single-chip microcomputer D1, crystal oscillator G1 and filter capacitor C1.
Described memory circuitry 2 is made up of with the pull-up resistor R2, the R3 that are connected with the D2 integrated circuit, R4 and filter capacitor C2 integrated circuit D2.
Described network communication interface circuit 3 is to adopt integrated circuit D4, photo-coupler N1, N2, N3, triode Q1 and be attached thereto pull down resistor R6, the R7, the R9 that connect to form a half duplex communication interface.
Described RTD interface circuit 4 is made up of integrated circuit D3, integrated circuit D5～D7, voltage-stablizer D8～D12, feedback resistance R16～R50 and diode V2～V5.
Described pulse input circuit 5 is made up of resistance R 14, R15 and diode V6, V7.
The present invention compared with prior art has the detection that can realize temperature in the central air conditioner system running and pulsed quantity parameter, and has reached and reduce the field connection difficulty, shortens the advantages such as effect of programming and debugging cycle.And 4 road RTD interfaces and 1 tunnel step-by-step counting input channel that can detect are simultaneously 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 P87LPC764 forms by model, aspects such as the basic structure of single-chip microcomputer P87LPC764 and assembly instruction are compatible mutually with the 80C51 series monolithic, and multiple functions such as analog comparator, Watchdog, I2C bus are arranged in the sheet.Crystal oscillator G1 provides accurate operating frequency to single-chip microcomputer; The input of control processor circuit 1, memory circuitry 2, network communication interface circuit 3, RTD interface circuit 4, the pulse input circuit 5 that delivery outlet connects respectively with connection.
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 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.Triode Q1 is used to produce the enable signal of control network communication interface circuit 3.In the time of network communication interface work, by the working condition of light emitting diode L2 indication network communication interface circuit 3.
Described RTD interface circuit 4 is that integrated circuit D3, the integrated circuit D5 that model is CD405 1, integrated circuit D6, the integrated circuit D7 that model is TL084, voltage-stablizer D8～D12, feedback resistance R16～R50 and the diode V2～V5 that model is TL431 that model is LM324 of AD7896 forms by model, is used for the collecting temperature signal.
Power circuit 6 is made up of rectifier bridge V1, power module POWER1, power module POWER2, voltage-stablizer D13 and filter capacitor, this circuit to control processor circuit and other circuit provide+5V and+the 4.2V working power, the circuit of also being made up of light emitting diode and resistance is indicated the working condition of power circuit 6 simultaneously.
Claims (7)
1, a kind of centralized Control method of central air-conditioning energy control system, it is characterized in that: it comprises two steps:
1. the central air conditioner system electromechanical equipment is controlled step: according to the actual demand of system implementation plan, module distribution is installed in the working site of the monitored object of central air conditioner system; Control processor (1) receives the control instruction of flow-changing energy-saving control system fuzzy controller by connection; According to the control instruction requirement, the mode of operation of control processor (1) strobe pulse input circuit (5), and the corresponding work parameter is set;
2. operating detection FEEDBACK CONTROL step: RTD interface circuit (4) sends control processor (1) by RTD collecting temperature signal to by the integrated circuit processing and after being converted into digital quantity; 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 (5) acquisition pulse signal; According to the command request of system ambiguous controller, control processor (1) passes to system ambiguous controller by network communication interface circuit (3) parameter that flow-changing energy-saving control system is required, makes control decision by fuzzy controller.
2, a kind of central air-conditioning energy control system RTD interface module, comprise control processor circuit (1), memory circuitry (2), network communication interface circuit (3), RTD interface circuit (4), pulse input circuit (5), power circuit (6), it is characterized in that: the input of control processor circuit (1), memory circuitry (2), network communication interface circuit (3), RTD interface circuit (4), the pulse input circuit (5) that delivery outlet connects respectively, power circuit (6) is connected with foregoing circuit respectively and working power is provided; Network communication interface circuit (3) is connected with system ambiguous controller.
3, central air-conditioning energy control system RTD interface module according to claim 2, it is characterized in that: described control processor circuit (1) is made up of single-chip microcomputer D1, crystal oscillator G1 and filter capacitor C1.
4, central air-conditioning energy control system RTD interface module according to claim 2, it is characterized in that: described memory circuitry (2) is made up of with the pull-up resistor R2, the R3 that are connected with the D2 integrated circuit, R4 and filter capacitor C2 integrated circuit D2.
5, central air-conditioning energy control system RTD interface 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, triode Q1 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 RTD interface module according to claim 2, it is characterized in that: described RTD interface circuit (4) is made up of integrated circuit D3, integrated circuit D5～D7, voltage-stablizer D8～D12, feedback resistance R16～R50 and diode V2～V5.
7, central air-conditioning energy control system RTD interface module according to claim 2, it is characterized in that: described pulse input circuit (5) is made up of resistance R 14, R15 and diode V6, V7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03117541 CN1198094C (en) | 2003-03-25 | 2003-03-25 | Integrated control method of energy-saving control system for central air conditioning and its platinum resistance interface module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03117541 CN1198094C (en) | 2003-03-25 | 2003-03-25 | Integrated control method of energy-saving control system for central air conditioning and its platinum resistance interface module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1455200A CN1455200A (en) | 2003-11-12 |
| CN1198094C true CN1198094C (en) | 2005-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03117541 Expired - Fee Related CN1198094C (en) | 2003-03-25 | 2003-03-25 | Integrated control method of energy-saving control system for central air conditioning and its platinum resistance interface module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1198094C (en) |
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2003
- 2003-03-25 CN CN 03117541 patent/CN1198094C/en not_active Expired - Fee Related
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| CN1455200A (en) | 2003-11-12 |
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