CN201242246Y - Intelligent energy-saving control system for central air-conditioning - Google Patents
Intelligent energy-saving control system for central air-conditioning Download PDFInfo
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- CN201242246Y CN201242246Y CNU2008200955578U CN200820095557U CN201242246Y CN 201242246 Y CN201242246 Y CN 201242246Y CN U2008200955578 U CNU2008200955578 U CN U2008200955578U CN 200820095557 U CN200820095557 U CN 200820095557U CN 201242246 Y CN201242246 Y CN 201242246Y
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The utility model relates to an intelligent and energy-saving control system of a central air-conditioner, which comprises an intelligent master control cabinet, a cooling pump cabinet, a refrigerating water pump cabinet and a tower fan cabinet, wherein the master control cabinet comprises a temperature detecting module, a flow rate detecting module, a pressure detecting module, a microcontroller, an analog input board, a photoelectric segregation barrier, a relay output board and an industry integrator, wherein the temperature detecting module, the flow detecting module, the pressure detecting module transmits signals to a micro-control processor after collecting the signals, the signals are transmitted to the analog input board for the signal conversion after treatment, lastly the signals are transmitted to the industrial integrator, the industrial integrator emits control signals for respectively controlling the cooling pump cabinet, the refrigerating water pump cabinet and the tower fan cabinet through being processed by relevant software, and the air conditioner is regulated according to requirements, which saves energy. The system regulates the air conditioner through the detected information according to the requirements of actual environment, and enables the air conditioner to work in an optimum state, which saves energy sources.
Description
Technical field
The utility model relates to a kind of energy-saving control system, particularly a kind of intelligent energy-saving control system of central air-conditioning.
Background technology
The operation energy consumption of existing central air-conditioning, mainly comprise air-conditioner host energy consumption, cooling water system energy consumption, chilled water system energy consumption and blower fan of cooling tower energy consumption, and except that air-conditioner host has automatic offloading functions in running, cooling water system, chilled water system and blower fan of cooling tower system are output-constant operations, so just there is following major defect: the one, in running, after the central air conditioner main machine unloading, cooling water system, chilled water system and blower fan of cooling tower system can not regulate automatically with the variation of load; The 2nd, cooling water pump, chilled water pump and blower fan of cooling tower output-constant operation, original control system can not realize with load or environmental change, and regulate the operation of cooling water pump, chilled water pump and blower fan of cooling tower automatically, the phenomenon that has " low load with strong power " causes the energy consumption of cooling water system, chilled water system and blower fan of cooling tower system bigger; The 3rd, because the running load of running environment or main frame changes, and cooling water system, chilled water system and the constant operation of blower fan of cooling tower system, can not realize the optimized operation of central air conditioner system; The 4th, the central air conditioning system of reason can not be realized the comprehensive coordination operation of whole system, causes the central air conditioner system energy consumption bigger.
The utility model content
In order to address the above problem, the utility model has been announced a kind of central air-conditioning intelligent energy-saving control system, and its purpose is to make central air-conditioning energy automatic Synthesis to coordinate the operation of each system, makes each system realize optimized operation, reduces the central air conditioner system operation energy consumption.
In order to achieve the above object, the utility model adopts following technical scheme: a kind of central air-conditioning intelligent energy-saving control system comprises that intelligent main control cabinet, coolant pump divide cabinet, refrigerating water pump to divide cabinet, tower blower fan to divide cabinet, and main control cabinet comprises temperature detecting module TE101～TE105, flow detection module FT101, pressure detecting module PT101～PT102, microcontroller U1～U8, analog input plate, optical isolation board, relay output board, integration of industry machine.Temperature detecting module TE101～TE105, flow detection module FT101, pressure detecting module PT101～PT102 is connected with microcontroller processor U1～U8 respectively, the other end of U1～U8 links to each other with the A1～A16 of analog input plate, the delivery outlet of analog input plate links to each other with integration of industry machine by data wire, photoelectricity is isolated digital I/O plate delivery outlet and is linked to each other with integration of industry machine, relay output board and coolant pump divide cabinet, refrigerating water pump divides cabinet, the tower blower fan divides cabinet to connect, data output also links to each other with integration of industry machine simultaneously, integration of industry machine is powered by power supply, and be provided with 2 breakers and 1 external switch, photoelectricity is isolated the 24V operating voltage work that digital I/O plate and relay output board provide by vertoro, and coolant pump divides cabinet, refrigerating water pump divides cabinet, the tower blower fan divides frequency converter cashier's office in a shop to be connected with the industrialization all-in-one by the RS485 holding wire respectively.
Coolant pump divides cabinet to comprise breaker, frequency converter, contactor.Refrigerating water pump divides cabinet to comprise breaker, frequency converter, contactor.The tower blower fan divides cabinet to comprise breaker, frequency converter, contactor.
The utility model is handled detected information via main control cabinet, and the needs according to the room energy come main control system equipment then, thereby makes air-conditioning be in optimum duty, thereby energy-conservation.
Description of drawings
Fig. 1 is the utility model system block diagram;
Fig. 2 is the utility model master control cabinet circuit diagram;
Fig. 3 is the utility model tower blower fan 1,2 circuit structure diagrams;
Fig. 4 is the utility model refrigerating water pump 1,2 circuit structure diagrams;
Fig. 5 is the utility model refrigerating water pump 3,4 circuit structure diagrams;
Fig. 6 is the utility model coolant pump 1,2 circuit structure diagrams;
Fig. 7 is the utility model coolant pump 3,4 circuit structure diagrams;
Fig. 8 is tower blower fan 1,2 control loop circuit diagrams;
Fig. 9 is refrigerating water pump 1,2 control loop circuit diagrams;
Figure 10 is refrigerating water pump 3,4 control loop circuit diagrams;
Figure 11 is coolant pump 1,2 control loop circuit diagrams;
Figure 12 is coolant pump 3,4 control loop circuit diagrams.
The specific embodiment
For the easier quilt of the utility model is understood, below we are described in detail in conjunction with the accompanying drawings.
Consult Fig. 1; Fig. 2; a kind of central air-conditioning intelligent energy-saving control system comprises intelligent main control cabinet; coolant pump divides cabinet; refrigerating water pump divides cabinet; the tower blower fan divides cabinet; main control cabinet comprises temperature detecting module TE101～TE105; flow detection module FT101; pressure detecting module PT101～PT102; microcontroller U1～U8; the analog input plate; optical isolation board; the relay output board; integration of industry machine; temperature; flow; the pressure detecting module is connected with microcontroller processor U1～U8 respectively; the other end of U1～U8 links to each other with the A1～A16 of analog input plate; the delivery outlet of analog input plate links to each other with integration of industry machine by data wire; photoelectricity is isolated digital I/O plate delivery outlet and is linked to each other with integration of industry machine; the relay output board connects coolant pump and divides cabinet; refrigerating water pump divides cabinet; the tower blower fan divides cabinet; delivery outlet also links to each other with integration of industry machine simultaneously; integration of industry machine is powered by power supply; and be provided with 2 circuit breaker Q F1; QF2 and 1 external switch SA shield.Photoelectricity is isolated the 24V operating voltage work that digital I/O plate and relay output board provide by vertoro, and coolant pump divides cabinet, refrigerating water pump to divide cabinet, tower blower fan to divide frequency converter cashier's office in a shop to be connected with the industrialization all-in-one by the RS485 holding wire respectively.
TE101～TE105 is respectively chilled water leaving water temperature detection module, chilled water return water temperature detection module, cooling water leaving water temperature detection module, cooling water return water temperature detection module, environment temperature detection module, FT101 is the chilled-water flow detection module, PT101, PT102 chilled water discharge pressure detection module and chilled water system pressure differential detection module.These eight detection modules are sent to microcontroller processor U1～U8 respectively with detected information and handle, being sent to the analog input plate by U1～U8 again carries out importing integration of industry machine into by data wire after the signal conversion, control after the information processing through related software after the integration of industry machine reception information, by the RS485 communication interface frequency converter of tower blower fan, coolant pump, refrigerating water pump is controlled, allow frequency converter regulate according to actual needs, thus conserve energy.
Consult Fig. 2, Fig. 3, Fig. 8, the tower blower fan divides that breaker QF51, QF61 are connected with power supply respectively in the cabinet, the other end is connected with contactor KM51, KM61 respectively simultaneously, KM51, the KM61 other end then connect frequency converter B P5, BP6 respectively, be connected by contactor KM52, KM62 respectively between motor M 1 on frequency converter B P5, BP6 and the tower blower fan, the M2, during work, switch FJ closure on the optical isolation board, produce signal to integration of industry machine, under related software control, relay K 12 or K13 closure or relay K 12, K13 are closed simultaneously.While circuit breaker Q F51, QF61, QF52 closure.At this moment, relay K 12 closures are relay K A51 closure then, and relay K A51 closure just makes contactor KM51 closure, the also closed conducting of contactor KM52 simultaneously, and the motor M 1 of tower blower fan 1 is just started working.Same relay K 13 closures are relay K A61 closure then, and relay K A61 closure just makes contactor KM61, while contactor KM62 closure, and the motor M 2 of tower blower fan 2 is just started working.
Consult Fig. 2, Fig. 4, Fig. 9, refrigerating water pump divides that breaker QF11 is connected with power supply in the cabinet, the other end is connected with contactor KM11 respectively simultaneously, the KM11 other end then connects frequency converter B P1, is connected by contactor KM12, KM13, KM14, KM15 between the motor M 3 on frequency converter B P1 and the refrigerating water pump, the M4, during work, switch LD1 closure on the optical isolation board, produce signal to integration of industry machine, under related software control, relay K 0 or K1 closure.While circuit breaker Q F11, QF12 closure.At this moment, relay K 0 closure is relay K A11 closure then, and relay K A11 closure just makes contactor KM11 closure, contactor KM12, the also closed conducting of KM13 simultaneously, and the motor M 3 of refrigerating water pump 1 is just started working.Same relay K 1 closure is relay K A12 closure then, and relay K A12 closure just makes contactor KM11 closure, while contactor KM14, KM15 closure, and the motor M 4 of refrigerating water pump 2 is just started working.
Consult Fig. 2, Fig. 5, Figure 10, refrigerating water pump divides that breaker QF21 is connected with power supply in the cabinet, the other end is connected with contactor KM21 respectively simultaneously, the KM21 other end then connects frequency converter B P2, is connected by contactor KM22, KM23, KM24, KM25 between the motor M 5 on frequency converter B P2 and the refrigerating water pump, the M6, during work, switch LD2 closure on the optical isolation board, produce signal to integration of industry machine, under related software control, relay K 2 or K3 closure.While circuit breaker Q F21, QF22 closure.At this moment, relay K 2 closures are relay K A21 closure then, and relay K A21 closure just makes contactor KM21 closure, contactor KM22, the also closed conducting of KM23 simultaneously, and the motor M 5 of refrigerating water pump 3 is just started working.Same relay K 3 closures are relay K A22 closure then, and relay K A22 closure just makes contactor KM21 closure, while contactor KM24, KM25 closure, and the motor M 6 of refrigerating water pump 4 is just started working.
Consult Fig. 2, Fig. 6, Figure 11, coolant pump divides that breaker QF31 is connected with power supply in the cabinet, the other end is connected with contactor KM31 respectively simultaneously, the KM31 other end then connects frequency converter B P3, is connected by contactor KM32, KM33, KM34, KM35 between the motor M 7 on frequency converter B P3 and the coolant pump, the M8, during work, switch LQ1 closure on the optical isolation board, produce signal to integration of industry machine, under related software control, relay K 4 or K5 closure.While circuit breaker Q F31, QF32 closure.At this moment, relay K 4 closures are relay K A31 closure then, and relay K A31 closure just makes contactor KM31 closure, contactor KM32, the also closed conducting of KM33 simultaneously, and the motor M 7 of coolant pump 1 is just started working.Same relay K 5 closures are relay K A32 closure then, and relay K A32 closure just makes contactor KM31 closure, while contactor KM34, KM35 closure, and the motor M 8 of coolant pump 2 is just started working.
Consult Fig. 2, Fig. 7, Figure 12, coolant pump divides that breaker QF41 is connected with power supply in the cabinet, the other end is connected with contactor KM41 respectively simultaneously, the KM41 other end then connects frequency converter B P4, is connected by contactor KM42, KM43, KM44, KM45 between the motor M 9 on frequency converter B P4 and the coolant pump, the M10, during work, switch LQ2 closure on the optical isolation board, produce signal to integration of industry machine, under related software control, relay K 6 or K7 closure.While circuit breaker Q F41, QF42 closure.At this moment, relay K 6 closures are relay K A41 closure then, and relay K A41 closure just makes contactor KM41 closure, contactor KM42, the also closed conducting of KM43 simultaneously, and the motor M 9 of coolant pump 3 is just started working.Same relay K 7 closures are relay K A42 closure then, and relay K A42 closure just makes contactor KM41 closure, while contactor KM44, KM45 closure, and the motor M 10 of coolant pump 4 is just started working.
Adopting the analog input plate in the utility model is PCLD880, and the relay output board is PCLD785, and it is PCLD782 that photoelectricity is isolated digital I/O plate.
During system works, each detector sends to integration of industry machine with the information that detects, and through the processing of control software, integration of industry machine is partly regulated corresponding system each minute, realizes the operation of comprehensive coordination central air conditioner system, thereby realizes energy-conservation.
Claims (4)
1. a central air-conditioning intelligent energy-saving control system comprises intelligent main control cabinet, coolant pump divides cabinet, refrigerating water pump divides cabinet, the tower blower fan divides cabinet, it is characterized in that, described main control cabinet comprises temperature detecting module TE101～TE105, flow detection module FT101, pressure detecting module PT101～PT102, microcontroller U1～U8, the analog input plate, optical isolation board, the relay output board, integration of industry machine, temperature detecting module TE101～TE105 wherein, flow detection module FT101, pressure detecting module PT101～PT102 is connected with microcontroller processor U1～U8 respectively, the other end of U1～U8 links to each other with the A1～A16 of analog input plate, the delivery outlet of analog input plate links to each other with integration of industry machine by data wire, photoelectricity is isolated digital I/O plate delivery outlet and is linked to each other with integration of industry machine, relay output board and coolant pump divide cabinet, refrigerating water pump divides cabinet, the tower blower fan divides cabinet to connect, data output also links to each other with integration of industry machine simultaneously, integration of industry machine is powered by power supply, and be provided with 2 breakers and 1 external switch, photoelectricity is isolated the 24V operating voltage work that digital I/O plate and relay output board provide by vertoro, and coolant pump divides cabinet, refrigerating water pump divides cabinet, the tower blower fan divides frequency converter cashier's office in a shop to be connected with the industrialization all-in-one by the RS485 holding wire respectively.
2. according to the described a kind of central air-conditioning intelligent energy-saving control system of claim 1, it is characterized in that described coolant pump divides cabinet to comprise breaker, contactor, frequency converter.
3. according to the described a kind of central air-conditioning intelligent energy-saving control system of claim 1, it is characterized in that described refrigerating water pump divides cabinet to comprise breaker, contactor, frequency converter.
4. according to the described a kind of central air-conditioning intelligent energy-saving control system of claim 1, it is characterized in that described tower blower fan divides cabinet to comprise breaker, contactor, frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200955578U CN201242246Y (en) | 2008-07-16 | 2008-07-16 | Intelligent energy-saving control system for central air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200955578U CN201242246Y (en) | 2008-07-16 | 2008-07-16 | Intelligent energy-saving control system for central air-conditioning |
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| Publication Number | Publication Date |
|---|---|
| CN201242246Y true CN201242246Y (en) | 2009-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200955578U Expired - Fee Related CN201242246Y (en) | 2008-07-16 | 2008-07-16 | Intelligent energy-saving control system for central air-conditioning |
Country Status (1)
| Country | Link |
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| CN (1) | CN201242246Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062459A (en) * | 2010-12-24 | 2011-05-18 | 东莞市虹德电子有限公司 | Energy-saving control system of central air conditioner |
-
2008
- 2008-07-16 CN CNU2008200955578U patent/CN201242246Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062459A (en) * | 2010-12-24 | 2011-05-18 | 东莞市虹德电子有限公司 | Energy-saving control system of central air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20130716 |