Temperature and humidity control method and control system for air conditioners in coating workshops

A technology of humidity control and air-conditioning temperature, applied in heating and ventilation control systems, heating and ventilation safety systems, heating methods, etc. Can accurately control temperature and humidity and other issues to achieve the effect of saving energy and improving precision

Active Publication Date: 2016-07-27
东杰海登(常州)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The temperature and humidity adjustment methods disclosed in the above prior art do not solve the method of controlling the temperature and humidity in different regions, nor can they accurately control the temperature and humidity, because they cannot save the energy of the production enterprise, and cannot achieve the cost reduction and efficiency increase of the production enterprise, and the energy saving. Environmental purpose

Method used

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  • Temperature and humidity control method and control system for air conditioners in coating workshops
  • Temperature and humidity control method and control system for air conditioners in coating workshops
  • Temperature and humidity control method and control system for air conditioners in coating workshops

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] Embodiment 1 A kind of air-conditioning temperature and humidity control method in the painting workshop

[0059] A method for controlling the temperature and humidity of an air conditioner in a painting workshop, the method comprising the following steps: Step 1: Calculate vapor pressure P and absolute humidity X by formula a and formula b respectively; where T represents temperature, Patm represents standard atmospheric pressure, RH Indicates humidity;

[0060] P=14097400000×EXP(-3928.5 / (231.667+T))

[0061] formula a

[0062] X = 0.622 × R H × P P a t m - R H × P

[0063] formula b

[0064] Step 2: Combine absolute humidity X and temperature T together to form a set (X, T);

[006...

Embodiment 2

[0066] Embodiment 2 A method for controlling the temperature and humidity of an air conditioner in a painting workshop

[0067] A method for controlling the temperature and humidity of an air conditioner in a painting workshop, the method comprising the following steps:

[0068] Step 1: Arrange temperature sensors 11 and humidity sensors 12 at the air inlet and outlet of the air-conditioning unit and the final use position of the air-conditioning unit (such as spray booth, paint mixing room, work station, etc.);

[0069] Second step: the temperature receiving module 31 and the humidity receiving module 32 respectively receive the temperature and humidity collected by the temperature sensor 11 and the humidity sensor 12, and the temperature calculation module 33 and the humidity calculation module 24 calculate the received temperature and humidity respectively to obtain the average temperature T AE and average humidity RH AE ;

[0070] Step 3: The parameter input module 35 i...

Embodiment 3

[0082] Embodiment 3 A method for controlling the temperature and humidity of an air conditioner in a painting workshop

[0083] An air-conditioning temperature and humidity control method in a painting workshop, the method is different from Embodiment 2 in that the fourth step also includes the FB10 function module 37 calculating the heat H through formula five or six SP or H AE

[0084] h SP =T SP +(2496.7+1.881×T SP )×X SP

[0085] formula five

[0086] h AE =T AE +(2496.7+1.881×T AE )×X AE

[0087] formula six;

[0088] Integrated module 38 for heat H SP or H AE and (X SP , T SP ) or (X AE , T AE ) are integrated in different two-dimensional coordinate ranges, and the FB10 function module 37 judges in which area the corresponding regulator operates among the five areas of the paint shop according to the integration results.

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Abstract

The invention provides a temperature and humidity control method and a control system for air conditioners in coating workshops. On the basis of the regional control mode of a PLC system, the accuracy of the temperature and the humidity is greatly improved, and the energy is saved for production enterprises; the purposes of lowering the cost and increasing the benefit for the production enterprises, saving the energy and protecting the environment are realized.

Description

technical field [0001] The invention belongs to the field of air-conditioning control, in particular to an air-conditioning temperature and humidity control method and control system in a painting workshop. Background technique [0002] With the rapid development of the automobile manufacturing industry, PLC-based air-conditioning systems in automobile manufacturing workshops are widely used. The air conditioning control system is an important part of the automobile manufacturing workshop. As an important part of the automobile manufacturing process, the paint shop plays a pivotal role in the quality and appearance of the automobile. The air-conditioning control system of the automobile painting workshop is roughly divided into three categories according to different functions. Including workshop air-conditioning, process air-conditioning, post air-conditioning, etc. Process air-conditioning control system is very important to the painting process of the car. If the contr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00
Inventor 祝威
Owner 东杰海登(常州)科技有限公司
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