CN201672626U - High-efficiency energy-saving control system of constant-temperature and constant-humidity air conditioner - Google Patents

High-efficiency energy-saving control system of constant-temperature and constant-humidity air conditioner Download PDF

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Publication number
CN201672626U
CN201672626U CN2010201972135U CN201020197213U CN201672626U CN 201672626 U CN201672626 U CN 201672626U CN 2010201972135 U CN2010201972135 U CN 2010201972135U CN 201020197213 U CN201020197213 U CN 201020197213U CN 201672626 U CN201672626 U CN 201672626U
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China
Prior art keywords
constant
temperature
humidity
workshop
humidity transducer
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Expired - Fee Related
Application number
CN2010201972135U
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Chinese (zh)
Inventor
周代仝
王亚刚
程轶
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SHANGHAI XUANRONG AUTOMATION SCIENCE AND TECHNOLOGY Co Ltd
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SHANGHAI XUANRONG AUTOMATION SCIENCE AND TECHNOLOGY Co Ltd
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Priority to CN2010201972135U priority Critical patent/CN201672626U/en
Application granted granted Critical
Publication of CN201672626U publication Critical patent/CN201672626U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to a high-efficiency energy-saving control system of a constant-temperature and constant-humidity air conditioner, which comprises a programmable logic controller, a spray system, a water pump, a frequency converter, a forced draught blower, a return air chamber temperature and humidity transducer, a workshop external temperature and humidity transducer, an air mixing chamber temperature and humidity transducer, a workshop internal temperature and humidity transducer, a fresh air regulator, a return air regulator, refrigeration equipment and heating equipment, wherein the programmable logic controller is respectively and sequentially connected with the spray system, the water pump, the frequency converter, the return air chamber temperature and humidity transducer, the workshop external temperature and humidity transducer, the air mixing chamber temperature and humidity transducer, the workshop internal temperature and humidity transducer, the fresh air regulator, the return air regulator, the refrigeration equipment and the heating equipment, and the frequency converter is connected with the forced draught blower. Compared with the prior art, the utility model has the advantages that the response speed is fast, the control accuracy is high, the temperature and humidity fluctuation is low, the efficiency is high, the energy is saved, the system has open interfaces, the system can be conveniently embedded into the existing constant-temperature and constant-humidity air conditioning system and the like.

Description

The energy-efficient control system of a kind of constant-temperature constant-humidity air-conditioner
Technical field
The utility model relates to a kind of energy-saving control system, especially relates to the energy-efficient control system of a kind of constant-temperature constant-humidity air-conditioner.
Background technology
At present, constant-temperature constant-humidity air-conditioner mostly be manual control, manually there is control lag in control, controls unsettled phenomenon, causes the Temperature and Humidity Control instability, influence product quality, and causes energy waste serious, the cost rising.Also have the small part constant-temperature constant-humidity air-conditioner to be control automatically, regulate in time, Temperature and Humidity Control is stable, but owing to lack energy-conservation algorithm, causes energy waste serious.
Summary of the invention
The purpose of this utility model be exactly provide in order to overcome the defective that above-mentioned prior art exists that a kind of response speed is fast, control accuracy is high, the humiture fluctuation is little, energy-efficient, have open interface, the convenient energy-efficient control system of constant-temperature constant-humidity air-conditioner of implanting existing constant temperature and humidity air-conditioning system.
The purpose of this utility model can be achieved through the following technical solutions:
The energy-efficient control system of a kind of constant-temperature constant-humidity air-conditioner, it is characterized in that, comprise Programmable Logic Controller, spray system, water pump, frequency converter, pressure fan, return air chamber humiture transmitter, humiture transmitter outside the workshop, wind mixed chamber's humiture transmitter, humiture transmitter in the workshop, new wind is regulated air regulator, return air is regulated air regulator, refrigeration plant and firing equipment, described Programmable Logic Controller respectively with spray system, water pump, frequency converter, return air chamber humiture transmitter, humiture transmitter outside the workshop, wind mixed chamber's humiture transmitter, humiture transmitter in the workshop, new wind is regulated air regulator, return air is regulated air regulator, refrigeration plant, firing equipment connects successively, and described frequency converter is connected with pressure fan.
Described Programmable Logic Controller is provided with digital-quantity input interface, digital-quantity output interface, analog quantity input interface, analog output interface circuit, man-machine interface.
Compared with prior art, the utlity model has following advantage:
One, response speed is fast: PLC is the high-performance novel product, and execution speed is fast.
Two, control accuracy height, the humiture fluctuation is little: select high-precision sensor and executing agency for use, it is fast that humiture changes detection, and governor motion is carried out accurately rapidly.
Three, effectively reduce energy waste, energy-efficient: the present invention is the starting point design system with energy-conservation, has special control algolithm, effectively saves the use of low-temperature receiver.
Four, have open interface: can form network easily and link with management information system.
Five, the convenient implantation has constant temperature and humidity air-conditioning system now: system reserves and has the interface that constant-temperature constant-humidity air-conditioner is connected now, and it is convenient to implant.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
As shown in Figure 1, the energy-efficient control system of a kind of constant-temperature constant-humidity air-conditioner, this device comprises Programmable Logic Controller (PLC) 1, spray system 6, water pump 7, frequency converter 8, pressure fan 9, return air chamber humiture transmitter 11, humiture transmitter 12 outside the workshop, wind mixed chamber's humiture transmitter 13, humiture transmitter 14 in the workshop, new wind is regulated air regulator 15, return air is regulated air regulator 16, refrigeration plant and firing equipment 17, described PLC 1 respectively with spray system 6, water pump 7, frequency converter 8, return air chamber humiture transmitter 11, humiture transmitter 12 outside the workshop, wind mixed chamber's humiture transmitter 13, humiture transmitter 14 in the workshop, new wind is regulated air regulator 15, return air is regulated air regulator 16, refrigeration plant 17, firing equipment 18 connects successively, and described frequency converter 8 is connected with pressure fan 9.Described PLC 1 comprises digital-quantity input interface 2, digital-quantity output interface 3, analog quantity input interface 4, analog output interface circuit 5, man-machine interface 10.
Can design temperature control interval (T1 by man-machine interface 10, T2), with humidity control interval (H1, H2), by analog quantity input interface (AI) 4, PLC 1 can sample humiture and wind mixed chamber's humiture outside humiture in the workshop, the workshop, by calculating and the storage enthalpy, PLC 1 is according to the enthalpy of setting and storing, through the PID computing relevant device being carried out intelligence regulates, PLC 1 regulates by the frequency of 5 pairs of frequency converters of analog output interface circuit (AO) (VFD) 8, is driven by 8 pairs of pressure fans 9 of frequency converter.
Simultaneously, PLC 1 receives the status signal that spray system 6, water pump 7, frequency converter 8, new wind adjusting air regulator 15 and return air are regulated air regulator 16 according to digital-quantity input interface (DI) 2, analog quantity input interface (AI) 4, and controls by digital-quantity output interface (DO) 3,5 pairs of the said equipments of analog output interface circuit (AO).
PLC 1 has Ethernet interface, can easily a plurality of related systems be linked up, and forms a network, and convenient full factory manages scheduling.

Claims (2)

1. energy-efficient control system of constant-temperature constant-humidity air-conditioner, it is characterized in that, comprise Programmable Logic Controller, spray system, water pump, frequency converter, pressure fan, return air chamber humiture transmitter, humiture transmitter outside the workshop, wind mixed chamber's humiture transmitter, humiture transmitter in the workshop, new wind is regulated air regulator, return air is regulated air regulator, refrigeration plant and firing equipment, described Programmable Logic Controller respectively with spray system, water pump, frequency converter, return air chamber humiture transmitter, humiture transmitter outside the workshop, wind mixed chamber's humiture transmitter, humiture transmitter in the workshop, new wind is regulated air regulator, return air is regulated air regulator, refrigeration plant, firing equipment connects successively, and described frequency converter is connected with pressure fan.
2. the energy-efficient control system of a kind of constant-temperature constant-humidity air-conditioner according to claim 1, it is characterized in that described Programmable Logic Controller is provided with digital-quantity input interface, digital-quantity output interface, analog quantity input interface, analog output interface circuit, man-machine interface.
CN2010201972135U 2010-05-18 2010-05-18 High-efficiency energy-saving control system of constant-temperature and constant-humidity air conditioner Expired - Fee Related CN201672626U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201972135U CN201672626U (en) 2010-05-18 2010-05-18 High-efficiency energy-saving control system of constant-temperature and constant-humidity air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201972135U CN201672626U (en) 2010-05-18 2010-05-18 High-efficiency energy-saving control system of constant-temperature and constant-humidity air conditioner

Publications (1)

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CN201672626U true CN201672626U (en) 2010-12-15

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CN2010201972135U Expired - Fee Related CN201672626U (en) 2010-05-18 2010-05-18 High-efficiency energy-saving control system of constant-temperature and constant-humidity air conditioner

Country Status (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102305456A (en) * 2011-06-22 2012-01-04 南京五洲制冷集团有限公司 Energy-saving constant-temperature and constant-humidity unit with fresh air energy compensation function and method for controlling energy-saving constant-temperature and constant-humidity unit
CN102679504A (en) * 2012-06-07 2012-09-19 广州安德机电设备工程有限公司 Energy-saving coiled tube fan control method capable of improving comfort degree of environment
CN103292433A (en) * 2013-07-15 2013-09-11 南京拓展科技有限公司 High-precision constant-temperature and constant-humidity system
CN108731215A (en) * 2018-01-30 2018-11-02 苏州夏威宜环保科技有限公司 A kind of workshop ventilation cooling system Integrated intelligent control device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102305456A (en) * 2011-06-22 2012-01-04 南京五洲制冷集团有限公司 Energy-saving constant-temperature and constant-humidity unit with fresh air energy compensation function and method for controlling energy-saving constant-temperature and constant-humidity unit
CN102305456B (en) * 2011-06-22 2013-07-24 南京五洲制冷集团有限公司 Energy-saving constant-temperature and constant-humidity unit with fresh air energy compensation function
CN102679504A (en) * 2012-06-07 2012-09-19 广州安德机电设备工程有限公司 Energy-saving coiled tube fan control method capable of improving comfort degree of environment
CN102679504B (en) * 2012-06-07 2018-04-13 广东安德建设工程有限公司 A kind of energy-conserving coil pipe blower control method that can improve environmental degree of comfort
CN103292433A (en) * 2013-07-15 2013-09-11 南京拓展科技有限公司 High-precision constant-temperature and constant-humidity system
CN108731215A (en) * 2018-01-30 2018-11-02 苏州夏威宜环保科技有限公司 A kind of workshop ventilation cooling system Integrated intelligent control device

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101215

Termination date: 20160518