CN214332900U - Radiation air conditioning system - Google Patents
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- CN214332900U CN214332900U CN202023249277.8U CN202023249277U CN214332900U CN 214332900 U CN214332900 U CN 214332900U CN 202023249277 U CN202023249277 U CN 202023249277U CN 214332900 U CN214332900 U CN 214332900U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model provides a radiation air conditioning system relates to intelligent house technical field, and this radiation air conditioning system includes the main control board and the cold water machine, the constant humidity machine and the temperature and humidity sensor be connected with the main control board respectively. The radiation air-conditioning system adopts a temperature and humidity adjusting mode of calculating the required cooling capacity and dew point temperature value, further selecting gradient water temperature to adjust the water outlet temperature and adjusting the moisture content through the current absolute humidity value, so that the control mode is simpler, and the running stability of the radiation air-conditioning system is improved.
Description
Technical Field
The utility model belongs to the technical field of the intelligent house technique and specifically relates to a radiation air conditioning system is related to.
Background
Along with the continuous improvement of the quality of life of people and the continuous development of scientific and technological technologies such as intelligent control, the indoor radiation air-conditioning system gradually enters the residential rooms of people from the wine industry by integrating the puzzlement of a plurality of problems in the modern urban environment to people and the impact of the people on the continuous improvement of the comfort requirement of the living environment. Compared with a conventional air conditioner, the radiation air conditioning system creates indoor comfortable temperature through radiation close to the comfortable temperature of human bodies, has low noise, is more in line with human engineering, and is a more comfortable, healthier, higher-quality and environment-friendly indoor human body ambient temperature control mode. And the indoor radiation system can make a set of system and equipment be shared in winter and summer, so that the utilization rate of the system and the equipment is improved, and a healthy and comfortable healthy house is built.
The temperature and the humidity are a pair of cooperative bodies in the adjusting process of the radiation air-conditioning system, and the cooperation is realized during the adjustment, so that the control mode of the radiation air-conditioning system is complex due to the adjusting mode of gradual change control on the temperature and the humidity under the condition of large difference between the ambient temperature and the ambient humidity, and the stable operation state of the system is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a radiation air conditioning system to simplify control mode, improve the stability of radiation air conditioning system operation.
The embodiment of the utility model provides a radiation air-conditioning system, which comprises a main control panel, and a water chiller, a constant humidity machine and a temperature and humidity sensor which are respectively connected with the main control panel;
the temperature and humidity sensor is used for sending current temperature and humidity data of air in a target space to the main control board, and the current temperature and humidity data comprise a current temperature value and a current relative humidity value;
the main control board is used for calculating required cooling capacity, a dew point temperature value and a current absolute humidity value according to the current temperature and humidity data, determining a target gradient water temperature from a plurality of preset gradient water temperatures according to the required cooling capacity and the dew point temperature value, and sending a temperature control signal corresponding to the target gradient water temperature to the water chiller and sending a humidity control signal corresponding to the current absolute humidity value to the constant humidity machine;
the water chiller is used for adjusting the outlet water temperature according to the temperature control signal;
the constant humidity machine is used for adjusting moisture content according to the humidity control signal.
Further, the humidistat comprises a fan, a humidifier and an expansion valve which are respectively connected with the main control board, and further comprises a compressor and a condenser which are connected to two ends of the expansion valve.
Further, the constant humidity machine still includes the water tank of being connected with humidifier and condenser respectively, the water tank is used for collecting the comdenstion water that the condenser produced and for the humidifier provides the water source.
Further, the humidistat still includes the casing that is provided with the wind gap, the fan humidifier with the condenser all sets up the inside of casing, the expansion valve with the compressor all sets up the outside of casing.
Further, a filter is arranged between the fan and the humidifier.
Further, the radiation air-conditioning system also comprises terminal equipment, and the terminal equipment is connected with the water chiller through a water pipe.
Further, the tip device includes one or more of a ceiling tip, a floor tip, and a wall tip.
Further, the radiation air-conditioning system also comprises a water temperature sensor connected with the main control panel, the water temperature sensor is arranged in the water pipe, and the water temperature sensor is used for detecting the water outlet temperature of the water chiller.
Further, the main control board comprises a calculator, a comparator, an instruction generating module and a sending module which are connected in sequence, and further comprises a searching module connected with the calculator;
the calculator is used for calculating to obtain the current absolute humidity value according to the current temperature and humidity data, calculating to obtain the current air cooling capacity according to the current temperature value and the current absolute humidity value, and calculating to obtain the required cooling capacity according to the current air cooling capacity and a preset air cooling capacity, wherein the preset air cooling capacity is obtained by calculation according to a preset relative humidity value and a preset temperature value; the searching module is used for searching a dew point temperature value corresponding to the current absolute humidity value; the calculator is also used for calculating the refrigerating capacity when the outlet water temperature of the water chiller at the current temperature value is the dew point temperature value to obtain the dew point refrigerating capacity;
the comparator is used for comparing the required cooling capacity with the dew point refrigerating capacity and a plurality of gradient refrigerating capacities corresponding to the gradient water temperatures to obtain a first comparison result, wherein the gradient refrigerating capacity is the refrigerating capacity when the outlet water temperature of the water chiller is the gradient water temperature at the preset temperature value; the instruction generating module is used for determining the target gradient water temperature according to the first comparison result and generating a temperature control signal corresponding to the target gradient water temperature; the sending module is used for sending the temperature control signal to the water chiller;
the comparator is further used for comparing the current absolute humidity value with a preset absolute humidity value to obtain a second comparison result, wherein the preset absolute humidity value is obtained by calculation according to the preset relative humidity value and the preset temperature value; the instruction generating module is further used for generating a humidity control signal corresponding to the second comparison result; the sending module is further used for sending the humidity control signal to the constant humidity machine.
Further, the radiation air-conditioning system further comprises a storage device connected with the main control board, and the storage device stores the plurality of gradient water temperatures, the preset relative humidity value, the preset temperature value, the plurality of gradient refrigeration capacities and the preset absolute humidity value.
The embodiment of the utility model provides a radiation air-conditioning system, which comprises a main control panel, a water chiller, a constant humidity machine and a temperature and humidity sensor, wherein the water chiller, the constant humidity machine and the temperature and humidity sensor are respectively connected with the main control panel; the temperature and humidity sensor is used for sending current temperature and humidity data of air in the target space to the main control board, and the current temperature and humidity data comprise a current temperature value and a current relative humidity value; the main control board is used for calculating required cooling capacity, a dew point temperature value and a current absolute humidity value according to current temperature and humidity data, determining a target gradient water temperature from a plurality of preset gradient water temperatures according to the required cooling capacity and the dew point temperature value, and sending a temperature control signal corresponding to the target gradient water temperature to the water chiller and sending a humidity control signal corresponding to the current absolute humidity value to the constant humidity machine; the water cooler is used for adjusting the outlet water temperature according to the temperature control signal; the constant humidity machine is used for adjusting moisture content according to the humidity control signal. Compared with the existing gradually-controlled temperature and humidity adjusting mode, the temperature and humidity adjusting mode is simpler in control mode by calculating the required cold quantity and dew point temperature value, further selecting the gradient water temperature to adjust the outlet water temperature and adjusting the moisture content through the current absolute humidity value, and therefore the operation stability of the radiation air-conditioning system is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a radiation air conditioning system according to an embodiment of the present invention;
fig. 2 is an electrical connection diagram of a radiation air conditioning system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a main control board according to an embodiment of the present invention;
fig. 4 is a schematic flow chart of a temperature and humidity adjusting method according to an embodiment of the present invention.
Icon: 100-a main control panel; 101-a calculator; 102-a comparator; 103-an instruction generation module; 104-a sending module; 105-a lookup module; 200-a water chiller; 300-a constant humidity machine; 301-a fan; 302-a humidifier; 303-an expansion valve; 304-a compressor; 305-a condenser; 306-a filter; 307-a housing; 400-a temperature and humidity sensor; 500-end device; 600-water temperature sensor.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
At present, a temperature and humidity adjusting mode of gradual control is generally adopted by a radiation air-conditioning system, the requirement on the control system is extremely high, the control mode is complex, the operation load of a control unit is large, and the operation stability of the radiation air-conditioning system is poor. Based on this, the embodiment of the utility model provides a pair of radiation air conditioning system, simple easy accuse, it is efficient, can realize the indoor environment of predetermineeing of constant temperature and humidity rapidly to improve the stability of radiation air conditioning system operation.
Referring to a schematic structural view of a radiation air conditioning system shown in fig. 1 and an electrical connection diagram of a radiation air conditioning system shown in fig. 2, the radiation air conditioning system includes a main control board 100, and a water chiller 200, a humidistat 300, and a temperature and humidity sensor 400 respectively connected to the main control board 100.
Specifically, the temperature and humidity sensor 400 is configured to send current temperature and humidity data of air in the target space to the main control board 100, where the current temperature and humidity data includes a current temperature value and a current relative humidity value; the main control board 100 is configured to calculate required cooling capacity, a dew point temperature value and a current absolute humidity value according to current temperature and humidity data, determine a target gradient water temperature from a plurality of preset gradient water temperatures according to the required cooling capacity and the dew point temperature value, and send a temperature control signal corresponding to the target gradient water temperature to the chiller 200 and send a humidity control signal corresponding to the current absolute humidity value to the humidistat 300; the water cooler 200 is used for adjusting the outlet water temperature according to the temperature control signal; the hygrostat 300 is used for moisture content adjustment according to the humidity control signal. Wherein, the target space refers to the space where the radiation air-conditioning system is located.
The multiple gradient water temperatures can be set according to actual requirements, and are not limited herein. Alternatively, the plurality of gradient water temperatures includes 12 ℃, 15 ℃, 18 ℃, 21 ℃ and 23 ℃, the temperature range corresponding to 12 ℃ being (8 ℃, 12 ℃), the temperature range corresponding to 15 ℃ being (12 ℃, 15 ℃), the temperature range corresponding to 18 ℃ being (15 ℃, 18 ℃), the temperature range corresponding to 21 ℃ being (18 ℃, 21 ℃), and the temperature range corresponding to 23 ℃ being (21 ℃, 23 ℃).
The embodiment of the utility model provides an in, through calculating required cold volume and dew point temperature value, and then select the gradient temperature to carry out the leaving water temperature regulation to carry out the humiture control mode that moisture capacity was adjusted through current absolute humidity value, make control mode simpler, thereby improved the stability of radiation air conditioning system operation.
Optionally, referring to the schematic structural diagram of a main control board shown in fig. 3, the main control board 100 includes a calculator 101, a comparator 102, an instruction generating module 103, and a sending module 104, which are connected in sequence, and further includes a searching module 105 connected to the calculator 101.
Specifically, the calculator 101 is configured to calculate a current absolute humidity value according to current temperature and humidity data, calculate a current air cooling capacity according to a current temperature value and the current absolute humidity value, and calculate a required cooling capacity according to the current air cooling capacity and a preset air cooling capacity, where the preset air cooling capacity is calculated according to a preset relative humidity value and a preset temperature value; the searching module 105 is used for searching a dew point temperature value corresponding to the current absolute humidity value; the calculator 101 is further configured to calculate a cooling capacity when the outlet water temperature of the water chiller 200 at the current temperature value is the dew point temperature value, so as to obtain a dew point cooling capacity;
the comparator 102 is configured to compare the required cooling capacity with a dew point cooling capacity and a plurality of gradient cooling capacities corresponding to a plurality of gradient water temperatures to obtain a first comparison result, where the gradient cooling capacity is a cooling capacity when the outlet water temperature of the water chiller 200 is the gradient water temperature at a preset temperature value; the instruction generating module 103 is configured to determine a target gradient water temperature according to the first comparison result, and generate a temperature control signal corresponding to the target gradient water temperature; the sending module 104 is configured to send a temperature control signal to the water chiller 200;
the comparator 102 is further configured to compare the current absolute humidity value with a preset absolute humidity value to obtain a second comparison result, where the preset absolute humidity value is obtained by calculation according to a preset relative humidity value and a preset temperature value; the instruction generating module 103 is further configured to generate a humidity control signal corresponding to the second comparison result; the sending module 104 is further configured to send a humidity control signal to the humidistat 300.
Further, when the second comparison result indicates that the current absolute humidity value is greater than the preset absolute humidity value, the instruction generating module 103 generates a dehumidification signal; when the second comparison result is that the current absolute humidity value is smaller than the preset absolute humidity value, the instruction generating module 103 generates a humidification signal. The searching module 105 is configured to search a dew point temperature value corresponding to the current absolute humidity value in the comparison table of absolute humidity and dew condensation temperature.
Further, the radiation air conditioning system further includes a memory (not shown in the figure) connected to the main control board 100, and the memory stores therein a plurality of gradient water temperatures, preset relative humidity values, preset temperature values, a plurality of gradient refrigeration amounts, preset absolute humidity values, and an absolute humidity and dew condensation temperature comparison table.
Alternatively, as shown in fig. 1, the humidistat 300 includes a blower 301, a humidifier 302, and an expansion valve 303 respectively connected to the main control board 100, and further includes a compressor 304 and a condenser 305 connected to both ends of the expansion valve 303. The blower 301 is used to suck air, the humidifier 302 is used to humidify air, and the expansion valve 303 is used to change the amount of dehumidification by the condenser 305.
Further, the humidistat 300 further includes a water tank (not shown) connected to the condenser 305 and the humidifier 302, respectively, for collecting condensed water generated from the condenser 305 and providing a water source for the humidifier 302. Therefore, the condensed water generated by the condenser 305 can be used as a water source of the humidifier 302, so that the water resource is recycled, and the water resource is saved.
Further, as shown in fig. 1, a filter 306 is provided between the blower 301 and the humidifier 302.
Further, as shown in fig. 1, the humidistat 300 further includes a housing 307 provided with a vent (the vent is not shown in fig. 1), the blower 301, the humidifier 302, the condenser 305, the water tank, and the like are disposed inside the housing 307, and the expansion valve 303 and the compressor 304 are disposed outside the housing 307.
Further, as shown in fig. 1, the radiation air conditioning system further includes a terminal device 500, and the terminal device 500 is connected to the water chiller 200 through a water pipe. The outlet water temperature of the water chiller 200 is also the supply water temperature of the end equipment 500.
Optionally, the tip device 500 includes one or more of a ceiling tip, a floor tip, and a wall tip. For example, the end device 500 may be a radiant panel including floor heating or heat sinks, etc., which may increase the cooling/heating coverage of the water chiller 200.
Further, as shown in fig. 1, the radiation air conditioning system further includes a water temperature sensor 600 connected to the main control board 100, the water temperature sensor 600 is disposed in a water pipe between the water chiller 200 and the terminal device 500, and the water temperature sensor 600 is used to detect the outlet water temperature of the water chiller 200.
For easy understanding, take a plurality of gradient temperatures including 12 ℃, 15 ℃, 18 ℃, 21 ℃ and 23 ℃ as an example, the embodiment of the utility model provides a temperature humidity control process as follows still:
(1) setting a preset RH of a target environment1And a preset temperature value T1Converting the preset relative humidity value and the preset temperature value into a preset absolute humidity value HJ1And calculating the preset air cooling capacity Q01。
The conversion of the preset absolute humidity value may be performed according to the following formula one:
HJ1＝RH1x F x 100%, (formula I)
Wherein F is at a preset temperature value T1Lower saturated water vapor amount.
The preset air cooling capacity can be calculated according to the following formula two and formula three:
Q01rho Vi, (formula two)
i＝aT1+(b+cT1)HJ1(formula three)
Where ρ represents the density of air; v represents the volume of the target space; i represents a preset absolute humidity value HJ1And a preset temperature value T1Lower air enthalpy; a represents an average constant pressure specific heat of dry air, for example, a is 1.01 kJ/(kg.k); b represents the latent heat of vaporization of water at 0 ℃, for example, b ═ 2500 kJ/kg; c represents the average constant pressure specific heat of steam, and for example, c is 1.84 kJ/(kg.k).
(2) At a predetermined absolute humidity value RH1And a preset temperature value T1Then, the refrigerating capacity Q (i.e. gradient refrigerating capacity) per unit time when the outlet water temperature of the water chiller 200 is different gradient water temperatures is calculated, and the refrigerating capacity Q at the outlet water temperature of 12 ℃ is recorded as1And the refrigerating capacity at the water outlet temperature of 15 ℃ is recorded as Q2And the refrigerating capacity at the outlet water temperature of 18 ℃ is recorded as Q3And the refrigerating capacity at the outlet water temperature of 21 ℃ is recorded as Q4And the cooling capacity at the outlet water temperature of 23 DEG CIs recorded as Q5。
The calculation of the gradient refrigerating capacity can be carried out according to the following formula four:
Q＝Cp.r.VsΔ T, (formula four)
Wherein, CpIndicating specific heat at constant pressure, e.g. Cp4.1868kJ/(kg. K); r represents specific gravity, e.g. r 1000kg/m3；VsIndicating water flow, e.g. Vs＝1.5m3H; Δ T represents the temperature difference between the return water temperature and the outlet water temperature (preset temperature value T)1The temperature is the return water temperature, and the gradient water temperature is the outlet water temperature).
(3) The temperature and humidity sensor 400 detects in real time to obtain the current RH of the current air2And a current temperature value T2According to the current relative humidity value RH2And a current temperature value T2Converting current absolute humidity value HJ2And calculating the current air cooling capacity Q02。
Specifically, reference may be made to corresponding contents in step (1), which are not described herein again.
(4) The current absolute humidity value HJ can be obtained by looking up in the comparison table of the absolute humidity and the dew condensation temperature in the database2Corresponding dew point temperature value t1And calculating the dew point temperature t of the water cooler 200 at the water outlet temperature1Refrigerating capacity per unit time Q03。
Specifically, reference may be made to corresponding contents in step (2), which are not described herein again.
(5) Calculating the required cold quantity delta Q, and the delta Q is Q02-Q01。
(6) Default Q03≥Q1If Δ Q is not less than Q03Then target outlet water temperature t01(i.e., target gradient water temperature) is determined as a dew point temperature value t1The gradient water temperature; if Q03>ΔQ≥Q1Then target outlet water temperature t01Determined as 12 ℃; if Q1>ΔQ≥Q2Target outlet water temperature t01Determined as 15 ℃ if Q2>ΔQ≥Q3Target outlet water temperature t01Determined as 18 ℃ if Q4>ΔQ≥Q5Target outlet water temperature t01Determined as 21 ℃ if Q5>Δ Q, target leaving Water temperature t01Determined to be 23 ℃.
(7) Controlling the outlet water temperature of the water chiller 200 to be the target outlet water temperature t01。
(8) If HJ2-HJ1>0, the main control board 100 sends a dehumidification signal to the humidistat 300, and the dehumidification amount of the condenser 305 is controlled through the expansion valve 303; if HJ2-HJ1<0, the main control board 100 sends a humidifying signal to the humidistat 300, and the humidifier 302 is turned on for humidification.
(9) The steps (3) to (8) are circulated until T2＝T1，RH2＝RH1。
In order to facilitate understanding, the embodiment of the present invention further provides a temperature and humidity adjusting method corresponding to the above-mentioned radiation air conditioning system. Referring to fig. 4, a schematic flow chart of a temperature and humidity adjusting method includes the following steps S402 to S408:
step S402, receiving current temperature and humidity data of air in the target space, wherein the current temperature and humidity data comprise a current temperature value and a current relative humidity value, and the current temperature and humidity data are sent by a temperature and humidity sensor.
And S404, calculating the required cooling capacity, the dew point temperature value and the current absolute humidity value according to the current temperature and humidity data.
Alternatively, step S404 may be implemented by the following procedure: calculating to obtain a current absolute humidity value according to the current temperature and humidity data; calculating to obtain current air cooling capacity according to the current temperature value and the current absolute humidity value, and calculating to obtain required cooling capacity according to the current air cooling capacity and preset air cooling capacity, wherein the preset air cooling capacity is calculated according to a preset relative humidity value and a preset temperature value; and searching to obtain a dew point temperature value corresponding to the current absolute humidity value.
Further alternatively, the current air cooling capacity can be calculated by the following formula:
Q02＝ρvi，i＝aT2+(b+cT2)HJ2；
wherein Q is02To representCurrent air cooling capacity, rho represents the density of air, v represents the volume of target space, i represents the current air enthalpy value, and T2Representing the current temperature value, HJ2Represents the current absolute humidity value, a represents the average constant pressure specific heat of dry air, b represents the latent heat of vaporization of water at 0 ℃, and c represents the average constant pressure specific heat of water vapor.
Step S406, determining a target gradient water temperature from a plurality of preset gradient water temperatures according to the required cold capacity and the dew point temperature value.
Alternatively, step S406 may be implemented by the following procedure: calculating the refrigerating capacity when the outlet water temperature of the water chiller at the current temperature value is the dew point temperature value to obtain the dew point refrigerating capacity; comparing the required cooling capacity with the dew point cooling capacity and a plurality of gradient cooling capacities corresponding to a plurality of gradient water temperatures to obtain a first comparison result, wherein the gradient cooling capacity is the cooling capacity when the outlet water temperature of the water chiller is the gradient water temperature under a preset temperature value; and determining the target gradient water temperature according to the first comparison result.
Step S408, sending a temperature control signal corresponding to the target gradient water temperature to the water chiller, and sending a humidity control signal corresponding to the current absolute humidity value to the humidistat; so that the water cooler can adjust the outlet water temperature according to the temperature control signal, and the constant humidity machine can adjust the moisture content according to the humidity control signal.
Alternatively, step S408 may be implemented by the following procedure: comparing the current absolute humidity value with a preset absolute humidity value to obtain a second comparison result, wherein the preset absolute humidity value is obtained by calculation according to a preset relative humidity value and a preset temperature value; generating a humidity control signal corresponding to the second comparison result; and sending the humidity control signal to a constant humidity machine.
The implementation principle and the technical effects of the temperature and humidity adjusting method provided by this embodiment are the same as those of the foregoing embodiment of the radiation air conditioning system, and for brief description, reference may be made to the corresponding contents in the foregoing embodiment of the radiation air conditioning system for the parts that are not mentioned in the embodiments of the temperature and humidity adjusting method.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A radiation air conditioning system is characterized by comprising a main control panel, and a water cooler, a constant humidity machine and a temperature and humidity sensor which are respectively connected with the main control panel;
the temperature and humidity sensor is used for sending current temperature and humidity data of air in a target space to the main control board, and the current temperature and humidity data comprise a current temperature value and a current relative humidity value;
the main control board is used for calculating required cooling capacity, a dew point temperature value and a current absolute humidity value according to the current temperature and humidity data, determining a target gradient water temperature from a plurality of preset gradient water temperatures according to the required cooling capacity and the dew point temperature value, and sending a temperature control signal corresponding to the target gradient water temperature to the water chiller and sending a humidity control signal corresponding to the current absolute humidity value to the constant humidity machine;
the water chiller is used for adjusting the outlet water temperature according to the temperature control signal;
the constant humidity machine is used for adjusting moisture content according to the humidity control signal.
2. The radiant air conditioning system of claim 1 wherein the humidistat includes a blower, a humidifier and an expansion valve connected to the main control panel, respectively, and further comprising a compressor and a condenser connected across the expansion valve.
3. The radiant air conditioning system of claim 2 wherein the humidistat further comprises a water tank connected to the humidifier and the condenser, respectively, the water tank for collecting condensed water produced by the condenser and providing a source of water to the humidifier.
4. The radiant air conditioning system of claim 2 wherein the humidistat further comprises a housing having an air port, the fan, the humidifier and the condenser are all disposed inside the housing, and the expansion valve and the compressor are all disposed outside the housing.
5. A radiant air conditioning system as claimed in claim 2 wherein a filter is provided between the fan and the humidifier.
6. A radiant air conditioning system as claimed in claim 1 further comprising a terminal device connected to the water chiller by a water pipe.
7. A radiant air conditioning system as claimed in claim 6 wherein the terminal equipment includes one or more of a ceiling terminal, floor terminal and wall terminal.
8. The radiant air conditioning system as claimed in claim 6, further comprising a water temperature sensor connected to the main control board, the water temperature sensor being disposed in the water pipe, the water temperature sensor being for detecting an outlet water temperature of the water chiller.
9. The radiant air conditioning system of claim 1 further comprising a memory connected to the main control panel, the memory storing the plurality of gradient water temperatures, preset relative humidity values, preset temperature values, plurality of gradient refrigeration capacities, and preset absolute humidity values.
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| CN112648695A (en) * | 2020-12-29 | 2021-04-13 | 明德倍适(天津)科技有限公司 | Radiation air conditioning system and temperature and humidity adjusting method |
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| CN112648695A (en) * | 2020-12-29 | 2021-04-13 | 明德倍适(天津)科技有限公司 | Radiation air conditioning system and temperature and humidity adjusting method |
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