CN201787700U - Four-ranged combined type air constant-temperature constant-humidity control system - Google Patents
Four-ranged combined type air constant-temperature constant-humidity control system Download PDFInfo
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- CN201787700U CN201787700U CN2010205288652U CN201020528865U CN201787700U CN 201787700 U CN201787700 U CN 201787700U CN 2010205288652 U CN2010205288652 U CN 2010205288652U CN 201020528865 U CN201020528865 U CN 201020528865U CN 201787700 U CN201787700 U CN 201787700U
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Abstract
The utility model relates to the field of devices for regulating or treating air, which particularly discloses a four-ranged combined type air constant-temperature constant-humidity control system comprising a temperature control module and a humidity control module, wherein the temperature control module comprises a temperature sensor installed at a space to be regulated, a proportion integration differentiation (PID) temperature controller connected with the temperature sensor, a heating device and a cooling device, and the heating device and the cooling device are controlled by the PID temperature controller; and the humidity control module comprises a humidity sensor installed at the space to be regulated, a PID humidity controller connected with the humidity sensor, a humidifying device and a dehumidifying device, and the humidifying device and the dehumidifying device are controlled by the PID humidity controller. The four-ranged combined type air constant-temperature constant-humidity control system has high accuracy, is convenient to control, is simple to operate, and is energy-saving and environmentally-friendly.
Description
Technical field
The utility model relates to the adjusting or the treating apparatus field of air, relates in particular to the control system of air processor.
Background technology
Special dimensions such as all kinds of thermostatic constant wet chamber, museum's high-accuracy and constant constant temperature and humidity showcase, air-conditioner enthalpy difference laboratory require very high to the control accuracy of environment temperature and humidity, the air-conditioning unit of conventional intermittent work can't satisfy its requirement, often requires to use manufacturability high accuracy constant-temperature constant-humidity air-conditioner.In order to reach the high request of particular surroundings to temperature and humidity, traditional method is such, some refrigeration unit are opened in stepping, make conditioned air that fixing, an apparent cold-peace dehumidifying control that can the cover heating humidity load be arranged, fixed space is heated and the humidification Compensation Regulation by step-less adjustment then, and fixed space is carried out the adjusting of unnecessary apparent cold-peace dehumidifying by what balance was modulated cold unit, transferred the temperature humidity in space to tend towards stability thereby make.
But, because the apparent cold-peace dehumidifying combination of refrigeration unit is fixed basically in the said method, this just makes, in the process of the adjusting of some special operation conditions, as: only need air conditioner to provide to show under the situation that the cold-smoothing weighing apparatus loaded by test-run a machine, be easy to dewfall because the operating mode high humidity makes on the evaporimeter of refrigeration unit, the very big sensible heat cold of the moisture removal of cold machine is then very limited.Therefore, disposed 3 times to the requirement that is not also reached its sensible heat by the refrigeration machine of test-run a machine cold for what satisfy 5HP by the test-run a machine test requirements document, meanwhile, a large amount of dehumidifying is actual to be that we are undesirable, in order to reach operating mode, we need dispose the dehumidifying that powerful humidification comes balance air processing machine itself.Like this, with the loss lot of energy.With an above-mentioned 5HP enthalpy difference laboratory is example, in order to satisfy the test needs of a 5HP air-conditioning, often needs to dispose the cold machine of inside and outside about 20HP.Maximum capacity amount configuration during operation may reach about 120KVA.In the middle of this, power consumption greatly is to cancel out each other, and has caused the waste of a large amount of energy in fact.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of energy-conservation air thermostatic constant wet control system.
In order to solve the problems of the technologies described above, the technical solution of the utility model is like this:
A kind of quarter-way combination type air thermostatic constant wet control system comprises temperature control modules and humidity control module, wherein,
Described temperature control modules comprises and is installed in temperature sensor, the PID temperature controller that links to each other with temperature sensor of being transferred the space and heat riser and the heat sink that controlled by the PID temperature controller; Temperature sensor sends temperature signal to the PID temperature controller, compares with target value set, when temperature is higher than desired value, the PID temperature controller will send the signal that requires cooling, at this moment, the heat sink operate as normal, and heat riser is in minimum duty; Otherwise when temperature is lower than desired value, the PID temperature controller will send the signal that requires intensification, at this moment, and the heat riser operate as normal, and heat sink is in minimum duty;
Described humidity control module comprises and is installed in humidity sensor, the PID humidity controller that links to each other with humidity sensor of being transferred the space and damping device and the dehydrating unit that controlled by the PID humidity controller; Humidity sensor sends moisture signal to the PID humidity controller, compares with target value set, when humidity is higher than desired value, the PID humidity controller will send the signal that requires dehumidifying, at this moment, dehydrating unit is in the normal regulating duty, and damping device is in minimum duty, otherwise, when humidity is lower than desired value, the PID humidity controller will send the signal that requires humidification, at this moment, the damping device operate as normal, and dehydrating unit is in minimum duty.
Preferably, described heat riser is an electric heating tube, and when temperature is lower than desired value, the PID temperature controller will make the power of electric heating tube increase, and be transferred space temperature to rise thereby make; Described heat riser can also be an air heater, and when temperature is lower than desired value, the PID temperature controller will make the steam of air heater or hot water flow rise, and be transferred space temperature to rise thereby make.
Preferably, described heat sink is the refrigerating medium heat sink, when temperature is higher than desired value, the PID temperature controller will be by changing the refrigerating medium system the flow pump frequency or directly change its refrigerating medium flow by water regulating valve, thereby the cold of air processing machine is risen continuously, make and transferred space temperature to descend; Described heat sink can also be the refrigerating plant of vaporation-type, when temperature is higher than desired value, the PID temperature controller will be by rotating speed that changes compressor or the liquid supply rate that directly changes evaporimeter by expansion valve, thereby the cold of air processing machine is risen continuously, make and transferred space temperature to descend.
Preferably, described damping device is an electric moistening device, and when humidity is lower than desired value, the PID humidity controller will make electric moistening device power increase, and be transferred space humidity to rise thereby make; Described damping device is can also be jet chimney, and when humidity is lower than desired value, the PID humidity controller will make the steam flow of jet chimney rise, and be transferred space humidity to rise thereby make.
The utility model mainly is that surface temperature by continuous reduction surface cooler realizes to the dehumidifying of being transferred the space, when the surface cooler surface temperature is lower than the dew-point temperature of air, the airborne steam of the surface cooler of flowing through will condense into water and separate out on the surface cooler surface.Aqueous water is drained smoothly, has promptly reached the effect of dehumidifying.The surface temperature of surface cooler is low more, and the heat moisture ratio of air is more little, and effect on moisture extraction is good more.Reduced the surface cooler surface temperature, its sensible heat also and then increases, and temperature controller will be sensed temperature decline this moment, thereby reduce flow, and holding temperature is constant.The two reciprocating action will reach stable at a new equalization point, and on this equalization point, the sensible heat of surface cooler and latent heat reach best coupling, can make thermic load and humidity load all obtain balance effectively under total refrigerating capacity of minimum.
Preferably, described dehydrating unit can be that the PID humidity controller is by regulating the temperature that a mixing tee control valve makes more cold water enter surface cooler or directly changes its refrigerating medium by the water temperature that reduces water supply tank, thereby the temperature of surface cooler is descended, make and transferred the humidity in space to descend; Described dehydrating unit can also be the PID humidity controller by increasing the evaporating pressure regulating valve aperture or reduce the evaporating pressure that expansion valve opening reduces refrigeration system, thereby evaporator surface temperature is descended, and makes and is transferred the humidity in space to descend.
Quarter-way combination type air thermostatic constant wet control system described in the utility model, its apparent cold and moisture removal can be in very wide scope independent regulation, can be directly according to by the burden requirement of test-run a machine and working condition requirement, it is cold to provide corresponding apparent cold-peace to dive automatically and steadily, do not need or only need seldom extra internal compensation fully, effectively reduce the loss of energy, can save the operating cost of thermostatic constant wet chamber greatly.Quarter-way combination type air thermostatic constant wet control system described in the utility model has accuracy height, convenient, simple to operate, the energy-conserving and environment-protective of control etc. and has a few.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of refrigerating medium cooling system.
Fig. 3 is the structural representation of cold-producing medium cooling system.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1, a kind of quarter-way combination type air of the utility model thermostatic constant wet control system comprises temperature control modules and humidity control module, wherein, comprises temperature control modules and humidity control module, wherein,
Described temperature control modules comprises being installed in is transferred the temperature sensor 5 in space 4, the PID temperature controller 7 that links to each other with temperature sensor 5, and described PID temperature controller 7 reaches the purpose that heats up and lower the temperature by heating controller 12, frequency converter 11 and the control valve 10 that is connected with surface cooler 1 in being installed in air processing machine 3;
Described humidity control module comprises being installed in is transferred the humidity sensor 6 in space 4, the PID humidity controller 8 that links to each other with humidity sensor 6, and described PID humidity controller 8 reaches the purpose of humidification and dehumidifying by humidification adjuster 9, frequency converter 11 and the control valve 10 that links to each other with surface cooler 1 in being installed in air processing machine 3.
Quarter-way combination type air thermostatic constant wet control system described in the utility model, its apparent cold and moisture removal can be in very wide scope independent regulation, can be directly according to by the burden requirement of test-run a machine and working condition requirement, it is cold to provide corresponding apparent cold-peace to dive automatically and steadily, do not need or only need seldom extra internal compensation fully, effectively reduce the loss of energy, can save the operating cost of thermostatic constant wet chamber greatly.
Embodiment 1
As shown in Figure 2, originally be embodied as the refrigerating medium system, described temperature sensor 5, PID temperature controller 7 and frequency converter 11 are connected successively, frequency by changing pump 14 or directly change its refrigerating medium flow by mixing tee control valve 10-1, thereby the cold of air processing machine 3 is risen continuously, make and transferred space 4 temperature to descend;
Described humidity sensor 6 and PID humidity controller 8 interconnect, by regulating the temperature that mixing tee control valve 10-1 makes more cold water enter surface cooler 1 or directly changes its refrigerating medium by the water temperature that reduces water supply tank 13, thereby the temperature of surface cooler 1 is descended, make and transferred the humidity in space 4 to descend.
Embodiment 2
As shown in Figure 3, present embodiment is a refrigerant system, described temperature sensor 5, PID temperature controller 7, frequency converter 11, evaporimeter 15, expansion valve 16 and compressor 17 are connected successively, by rotating speed that changes compressor 17 or the liquid supply rate that directly changes evaporimeter 15 by expansion valve 16, thereby the cold of air processing machine 3 is risen continuously, make and transferred space 4 temperature to descend;
Described humidity sensor 6 and PID humidity controller 8 interconnect, aperture by increasing evaporating pressure regulating valve 10-2 or the aperture that reduces expansion valve 16 reduce the evaporating pressure of refrigeration system, thereby the temperature of surface cooler 1 is descended, make and transferred the humidity in space 4 to descend.
The foregoing description only is a kind of in the utility model plurality of embodiments; it is not qualification to the utility model design; under the prerequisite that does not break away from the utility model design philosophy; various modification and improvement that engineers and technicians in this area make the technical solution of the utility model all should fall into protection domain of the present utility model.
Claims (9)
1. a quarter-way combination type air thermostatic constant wet control system comprises temperature control modules and humidity control module, it is characterized in that,
Described temperature control modules comprises and is installed in temperature sensor, the PID temperature controller that links to each other with temperature sensor of being transferred the space and heat riser and the heat sink that controlled by the PID temperature controller, temperature sensor sends temperature signal to the PID temperature controller, compare with target value set, when temperature is higher than desired value, the PID temperature controller will send the signal that requires cooling, at this moment, the heat sink operate as normal, and heat riser is in minimum duty; Otherwise when temperature is lower than desired value, the PID temperature controller will send the signal that requires intensification, at this moment, and the heat riser operate as normal, and heat sink is in minimum duty;
Described humidity control module comprises and is installed in humidity sensor, the PID humidity controller that links to each other with humidity sensor of being transferred the space and damping device and the dehydrating unit that controlled by the PID humidity controller, humidity sensor sends moisture signal to the PID humidity controller, compare with target value set, when humidity is higher than desired value, the PID humidity controller will send the signal that requires dehumidifying, at this moment, the dehydrating unit operate as normal, and damping device is in minimum duty; Otherwise when humidity is lower than desired value, the PID humidity controller will send the signal that requires humidification, at this moment, and the damping device operate as normal, and dehydrating unit is in minimum duty.
2. quarter-way combination type air thermostatic constant wet control system according to claim 1, it is characterized in that described heat riser is an electric heating tube, when temperature is higher than desired value, the PID temperature controller will make the power of electric heating tube increase, and be transferred space temperature to rise thereby make.
3. quarter-way combination type air thermostatic constant wet control system according to claim 1, it is characterized in that, described heat riser is an air heater, when temperature is higher than desired value, the PID temperature controller will make the steam of air heater or hot water flow rise, and be transferred space temperature to rise thereby make.
4. according to claim 1,2 or 3 described quarter-way combination type air thermostatic constant wet control systems, it is characterized in that, described heat sink is the refrigerating medium heat sink, when temperature is higher than desired value, the PID temperature controller will be by changing the refrigerating medium system the flow pump frequency or directly change its refrigerating medium flow by water regulating valve, thereby the cold of air processing machine is risen continuously, make and transferred space temperature to descend.
5. quarter-way combination type air thermostatic constant wet control system according to claim 4, it is characterized in that, described dehydrating unit is the refrigerating medium dehydrating unit, when humidity is higher than desired value, the PID temperature controller will reduce its refrigerant temperature by the mixed proportion that changes the refrigerating medium system, thereby the latent heat cold of air processing machine is risen.
6. according to claim 1,2 or 3 described quarter-way combination type air thermostatic constant wet control systems, it is characterized in that, described heat sink is the refrigerating plant of vaporation-type, when temperature is higher than desired value, the PID temperature controller will be by changing compressor rotary speed or the direct liquid supply rate that changes evaporimeter by expansion valve, thereby the cold of air processing machine is risen continuously, make and transferred space temperature to descend.
7. quarter-way combination type air thermostatic constant wet control system according to claim 6, it is characterized in that, described dehydrating unit is the refrigerating plant of vaporation-type, when humidity is higher than desired value, the PID temperature controller will reduce the evaporating temperature of evaporimeter inner refrigerant by changing the evaporating pressure regulating valve aperture, thereby the latent heat cold of air processing machine is risen.
8. according to claim 1,2 or 3 described quarter-way combination type air thermostatic constant wet control systems, it is characterized in that described damping device is an electric moistening device, when humidity is lower than desired value, the PID humidity controller will make electric moistening device power increase, and be transferred space humidity to rise thereby make.
9. according to claim 1,2 or 3 described quarter-way combination type air thermostatic constant wet control systems, it is characterized in that described damping device is a jet chimney, when humidity is lower than desired value, the PID humidity controller will make the steam flow of jet chimney rise, and be transferred space humidity to rise thereby make.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205288652U CN201787700U (en) | 2010-09-13 | 2010-09-13 | Four-ranged combined type air constant-temperature constant-humidity control system |
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| CN2010205288652U CN201787700U (en) | 2010-09-13 | 2010-09-13 | Four-ranged combined type air constant-temperature constant-humidity control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230659A (en) * | 2011-06-02 | 2011-11-02 | 中国电器科学研究院有限公司 | Method for controlling energy-saving precision constant-temperature and constant-humidity air conditioner and air conditioner thereof |
| CN103375858A (en) * | 2012-04-19 | 2013-10-30 | 大金工业株式会社 | Moisture adjusting device |
| CN107357344A (en) * | 2017-09-07 | 2017-11-17 | 广州辰创科技发展有限公司 | A kind of temperature and humidity monitoring system and method applied to inside FOD radar front ends |
| CN107763790A (en) * | 2016-08-19 | 2018-03-06 | 广东志高暖通设备股份有限公司 | The dehumanization method and system of a kind of air conditioner |
-
2010
- 2010-09-13 CN CN2010205288652U patent/CN201787700U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230659A (en) * | 2011-06-02 | 2011-11-02 | 中国电器科学研究院有限公司 | Method for controlling energy-saving precision constant-temperature and constant-humidity air conditioner and air conditioner thereof |
| CN103375858A (en) * | 2012-04-19 | 2013-10-30 | 大金工业株式会社 | Moisture adjusting device |
| CN107763790A (en) * | 2016-08-19 | 2018-03-06 | 广东志高暖通设备股份有限公司 | The dehumanization method and system of a kind of air conditioner |
| CN107357344A (en) * | 2017-09-07 | 2017-11-17 | 广州辰创科技发展有限公司 | A kind of temperature and humidity monitoring system and method applied to inside FOD radar front ends |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20150913 |
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| EXPY | Termination of patent right or utility model |