CN105276679A - Double-frequency-conversion constant-humidity dehumidifier and dehumidification method - Google Patents
Double-frequency-conversion constant-humidity dehumidifier and dehumidification method Download PDFInfo
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- CN105276679A CN105276679A CN201410352893.6A CN201410352893A CN105276679A CN 105276679 A CN105276679 A CN 105276679A CN 201410352893 A CN201410352893 A CN 201410352893A CN 105276679 A CN105276679 A CN 105276679A
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Abstract
The invention discloses a double-frequency-conversion constant-humidity dehumidifier and a dehumidification method. The double-frequency-conversion constant-humidity dehumidifier comprises a circulation loop and a variable-frequency fan, wherein the circulation loop is formed by sequentially connecting a compressor, a first condenser, a second condenser, a thermostatic expansion valve and an evaporator. The variable-frequency fan is arranged between the evaporator and the second condenser. The evaporator is located on the air inlet side of the variable-frequency fan. The second condenser is located on the air outlet side of the variable-frequency fan. According to the double-frequency-conversion constant-humidity dehumidifier and the dehumidification method, the variable-frequency fan is used for regulating the air flow, the variable-frequency regulation refrigerating system is used for condensing hot air, and thus constant-humidity air can be provided for users through a double-frequency-conversion mode at a low cost.
Description
Technical field
The present invention relates to dehumidifying technology field, be specifically related to a kind of constant humidity dehumidifier and dehumanization method thereof.
Background technology
Existing dehumidifying technology divides by principle freeze drying technology and adsorption and dehumidification technology, freeze drying makes humid air enter saturation state by the artificial cooling environment of refrigeration machine, condensation portion of water, its shortcoming be process air state always with environmental correclation, when envionmental humidity is bigger than normal, the relative humidity of process air is just bigger than normal, when envionmental humidity is less than normal, the relative humidity of process air is just less than normal, this freeze drying technology is adopted to realize constant relative humidity, for some precision manufactureing, biological medicine, the industries such as micro nanometer fiber, the height of its air humidity, the size of moisture absorption will be caused, thus affect homogeneity of product, special particularly outstanding in lithium ion battery manufacturing environment
In order to realize constant relative humidity conditions, need in existing technology in conjunction with adsorption and dehumidification technology, adsorption and dehumidification technology adopts adsorbent to reach dehumidifying object to the moisture adsorbed in humid air, the rotary dehumidifier made as silica gel thin film adopts this type of technology exactly, combination by silica gel thin film rotary dehumidifier and freeze drying technology realizes constant humidity environment, by freeze drying, ambient humidity is controlled in less RH range, again by the moisture in the further absorbed air of adsorption dehumidifier, constant relative humidity conditions is reached by regulating the adsorbance of adsorption dehumidifier.This combination dehumidifying technology, in order to the environment obtaining constant relative humidity not only makes construction costs increase, power consumption also can be caused large, and operating cost is expensive.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, providing a kind of freezing and adsorption combined dehumidifying technology without the need to adopting cost high can reach two frequency conversion constant humidity dehumidifier and the dehumanization method of constant humidity environment.
For achieving the above object, the present invention adopts following technical proposals:
Two frequency conversion constant humidity dehumidifier, comprise by compressor, first condenser, second condenser, heating power expansion valve, the closed circuit that evaporimeter connects and composes successively and frequency conversion fan, the refrigerant exit end of described compressor is connected with the refrigerant entrance point of described first condenser, the refrigerant exit end of described first condenser is connected with the refrigerant entrance point of described second condenser, the refrigerant exit end of described second condenser is connected with the refrigerant entrance point of described evaporimeter by described heating power expansion valve, the refrigerant exit end of described evaporimeter is connected with the refrigerant entrance point of described compressor, described frequency conversion fan is located between described evaporimeter and described second condenser, and described evaporimeter is positioned at the inlet side of described frequency conversion fan, and described second condenser is positioned at the air side of described frequency conversion fan.
The air side of described evaporimeter is provided with rearmounted temperature sensor and blast volume controller, and described rearmounted temperature sensor is connected with described frequency conversion fan by described blast volume controller.
Described first condenser is water cooled condenser, and described water cooled condenser is respectively equipped with cooling water inlet end and coolant outlet end, and described cooling water inlet end is connected with the supply-water pump of cooling water by pipeline.
The air side of described second condenser arranges preposition temperature sensor, and described preposition temperature sensor connects water quantity controller, and described water quantity controller is connected to described supply-water pump.
Described first condenser is air cooled condenser, and the blower fan of described air cooled condenser is positioned at windward side.
The air side of described second condenser arranges preposition temperature sensor, and described preposition temperature sensor connects the second blast volume controller, and described second blast volume controller is connected to the blower fan of described air cooled condenser.
The dehumanization method of two frequency conversion constant humidity dehumidifier, comprises
Circularly cooling part
1) refrigerant is compressed into high pressure refrigerant gas at described compressor, 2) high pressure refrigerant gas enters cooling in described first condenser, 3) high pressure refrigerant gas enters described second condenser and is condensed into high pressure refrigerant liquid further, 4) high pressure refrigerant liquid is through described heating power expansion valve reducing pressure by regulating flow, 5) refrigerant after step-down enters described evaporimeter heat absorption evaporation, 6) cold media gas after complete carburation by evaporation is again sucked by described compressor and is compressed into high pressure refrigerant gas, iterative cycles like this;
Air dewetting part
1) extraneous air is from described evaporimeter side air intake, 2) air is through described evaporimeter and the heat exchange of low temperature refrigerant, lower the temperature and produce condensate water, remove portion humidity load, 3) air after cool-down dehumidification is heated 4 through described second condenser) be warming up to the air after ventilation state and flow to user.
When described rearmounted temperature sensor detects the leaving air temp of described evaporimeter higher than setting value, regulated the power output of described frequency conversion fan by described blast volume controller, reduce ventilation;
When described rearmounted temperature sensor detects the leaving air temp of described evaporimeter lower than setting value, regulated the power output of described frequency conversion fan by described blast volume controller, increase ventilation.
When described preposition temperature sensor detects the leaving air temp of described second condenser higher than setting value, described supply-water pump is regulated by described water quantity controller, increase the cooling water amount of described water cooled condenser or regulated the blower fan of described air cooled condenser by described second blast volume controller, increasing the air mass flow of cooling;
When described preposition temperature sensor detects the leaving air temp of described second condenser lower than setting value, described supply-water pump is regulated by described water quantity controller, reduce the cooling water amount of described water cooled condenser or regulated the blower fan of described air cooled condenser by described second blast volume controller, reducing the air mass flow of cooling.
After adopting technique scheme, compared with prior art, tool has the following advantages in the present invention:
The present invention regulates air mass flow that the evaporation operating mode of refrigeration system is mated with the damp and hot load Random Coupling of surrounding air by frequency conversion fan, also by the condensation heat of variable frequency adjustment refrigeration system with constant delivery to the humidity of air of user, make it to mate with the requirement of constant humidity process environments.Mate with environmental aspect the artificial environment that coupling technique scheme reaches steady temperature constant humidity by refrigeration system evaporation and condensation ability, thus meet precision manufactureing, biological medicine, the industry constant humidities such as micro nanometer fiber require high operating environment.The present invention can provide air-out dew-point temperature to reach the low dew-point temperature air of less than-25 °.The present invention is without the need to the adsorption and dehumidification equipment of consumes expensive, and cost is lower compared with the combination dehumidification mode that operating cost is high, also reasonably make use of refrigeration system waste heat, and unit power consumption is few, plays energy-conservation effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the embodiment of the present invention 2;
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1
As shown in Figure 1, two frequency conversion constant humidity dehumidifier comprises by compressor 1, water cooled condenser 2, second condenser 7, heating power expansion valve 4, the closed circuit that evaporimeter 5 connects and composes successively and frequency conversion fan 6, wherein the refrigerant exit end of compressor 1 is connected with the refrigerant entrance point of water cooled condenser 2 by high pressure refrigerant blast pipe 13, the refrigerant exit end of water cooled condenser 2 is connected with the refrigerant entrance point of the second condenser 7 by preposition high pressure refrigerant pipe 11, the refrigerant exit end of the second condenser 7 is connected with heating power expansion valve 4 by rearmounted high pressure cooling medium liquid pipe 12, heating power expansion valve 4 is connected with the refrigerant entrance point of evaporimeter 5, the refrigerant exit end of evaporimeter 5 is connected with the refrigerant entrance point of compressor 1 by low pressure return-air refrigerant pipe 9.
Between evaporimeter 5 and the second condenser 7, frequency conversion fan 6 is installed, the circulation air channel of evaporimeter 5, frequency conversion fan 6 and the second condenser 7 formation processing air, evaporimeter 5 is positioned at the inlet side of frequency conversion fan 6, second condenser 7 is positioned at the air side of frequency conversion fan 6, frequency conversion fan 6 also connects rearmounted temperature sensor 16 by blast volume controller 18, and rearmounted temperature sensor 16 detecting element is installed on the air side of evaporimeter 5.
Water cooled condenser 2 is also respectively equipped with cooling water inlet end and coolant outlet end, cooling water inlet end is connected with the variable frequency water supply pump 3 of cooling water by cooling water circulation pipe 14, supply-water pump 3 is also another connects preposition temperature sensor 15 by water quantity controller 17, and preposition temperature sensor 15 detecting element is placed in the air side of the second condenser 7.
The cooling water of water cooled condenser 2 is provided by supply-water pump 3, cooling water enters supply-water pump 3 through cooling water inlet pipe 10, enter water cooled condenser 2 by cooling water circulation pipe 14, complete heat exchange with refrigerant in water cooled condenser 2 after, discharged by cooling water drainage water pipe 8.
Dehumidifying process of the present invention is as follows
The high pressure refrigerant gas of discharging is compressed through compressor 1, water cooled condenser 2 is entered through high pressure refrigerant blast pipe 13, high pressure refrigerant gas is after water cooled condenser 2 cools, the premenstrual pressure refrigerant pipe 11 that sets high enters the second condenser 7, be further cooled at the second condenser 7 and be liquefied as high pressure condensed fluid, high pressure condensed fluid enters heating power expansion valve 4 throttling by rearmounted high pressure cooling medium liquid pipe 12, and the refrigerant liquid after expenditure and pressure enters heat absorption evaporation in evaporimeter 5.Vaporization after refrigerant liquid absorbs heat and evaporates in evaporimeter 5, then pass through low pressure return-air refrigerant pipe 9 under the getter action of compressor 1, gaseous refrigerant backflow enters compressor 1, thus completes circulation.
Under the draft effect of frequency conversion fan 6, the air inlet of air on the left of evaporimeter 5 is inhaled into, blow the air outlet on the right side of the second condenser 7, when air is by evaporimeter 5, because the evaporating temperature of liquid refrigerant in the evaporation process of evaporimeter 5 is generally set to 5 DEG C or lower temperature, air is when evaporimeter 5 and the heat exchange of low temperature refrigerant, the air cooling-down state that reaches capacity produces condensed water, reach dehumidifying object, the air eliminating part humidity load continues to blow toward the second condenser 7 direction under the effect of blower fan, because the second condenser 7 is in condensing condition, its temperature is higher than the air themperature blowed, therefore the air blowed is heated when the second condenser 7, after making air themperature rising, relative humidity reduces, for user provides the air reducing humidity.Because air blows to the second condenser 7 from evaporimeter 5 under the effect of frequency conversion fan 6, refrigerant is in the condensation process of the second condenser 7, second condenser 7 is subject to the air impact of the lower temperature of flash-pot 5, accelerates the further cooling of refrigerant, improves efficiency.
Refrigerant liquid enters evaporimeter 5 and absorbs heat in the process of evaporation, and the evaporating temperature of evaporimeter 5 is set as 5 DEG C or lower temperature, but under actual condition, the evaporating temperature of evaporimeter 5 changes with the change of environment temperature, specific as follows
When environment temperature raises, and under the constant condition of the ventilation of evaporimeter 5, the evaporating temperature of evaporimeter 5 raises along with environment temperature and raises;
When environment temperature reduces, and under the constant condition of the ventilation of evaporimeter 5, the evaporating temperature of evaporimeter 5 reduces along with environment temperature and reduces;
When ambient humidity increases, and under the constant condition of the ventilation of evaporimeter 5, the evaporating temperature of evaporimeter 5 increases with ambient humidity and raises;
When ambient humidity reduces, and under the constant condition of the ventilation of evaporimeter 5, the evaporating temperature of evaporimeter 5 reduces with ambient humidity and reduces;
No matter be variation of ambient temperature or ambient humidity change, under the condition keeping the ventilation of evaporimeter 5 constant, all can cause the air generation respective change after the process of evaporimeter 5 cool-down dehumidification.
Constant output state is kept in order to make the air after the process of evaporimeter 5 cool-down dehumidification, ventilation by evaporimeter 5 must be regulated at random, namely when environment temperature reduces or ambient humidity reduces, the load of evaporimeter 5 reduces, the evaporating temperature of evaporimeter 5 can reduce further, now needs the ventilation increasing evaporimeter 5; When environment temperature raises or ambient humidity increase, the load of evaporimeter 5 increases, and the evaporating temperature of evaporimeter 5 improves further, now needs the ventilation reducing evaporimeter 5.
Specifically in order to the delivery air water capacity of constant evaporimeter 5 process, when the leaving air temp that the rearmounted temperature sensor 16 being installed on evaporimeter 5 air side detects evaporimeter 5 is higher than setting value, illustrate that the operating mode load of evaporimeter 5 is bigger than normal, namely regulated the power output of frequency conversion fan 6 by blast volume controller 18, reduce ventilation;
When rearmounted temperature sensor 16 detects the leaving air temp of evaporimeter 5 lower than setting value, illustrate that the operating mode load of evaporimeter 5 is less than normal, namely regulated the power output of frequency conversion fan 6 by blast volume controller 18, increase ventilation.
By above-mentioned air quantity regulatory function, when ambient temperature and humidity is changed, the ventilation of evaporimeter 5 is mated with setting evaporating temperature, makes the steady load of evaporimeter 5 in the scope of setting.
In order to reduce the relative humidity of delivery air further, also need to carry out intensification heating to the air-out of above-mentioned evaporimeter 5, therefore the second condenser 7 is blown in the air-out of evaporimeter 5 further, utilize the condensation heat of the second condenser 7 to add hot-air, the air that reduce further relative humidity after heating is finally delivered to user again.
Obtain constant temperature to make the heating of the second condenser 7 pairs of air-out to appreciate, the air flowing to user is made to remain in certain RH range, also the duty parameter of constant second condenser 7 is needed, the operating mode of the second condenser 7 is with after water cooled condenser 2 cools, the high pressure refrigerant gas entering the further condensation of the second condenser 7 is relevant, be specially and raise through the cooled high pressure refrigerant gas temperature of water cooled condenser 2, second condenser 7 duty parameter temperature also raises, the cooled high pressure refrigerant gas temperature of water cooled condenser 2 reduces, the duty parameter temperature of the second condenser 7 also can reduce.
Therefore by regulating the cooling water circulation amount of water cooled condenser 2 to regulate through the cooled high pressure refrigerant gas temperature of water cooled condenser 2, the adjustment of cooling water circulation amount is then regulated by supply-water pump 3, is regulated the cooling water inflow entering water cooled condenser 2 by supply-water pump 3.
The air side of the second condenser 7 is provided with preposition temperature sensor 15, when preposition temperature sensor 15 detects the leaving air temp of the second condenser 7 higher than setting value, the temperature drift of the high pressure refrigerant entering the second condenser 7 from water cooled condenser 2 is described, the supply-water pump 3 of cooling water is then regulated by water quantity controller 17, increase the cooling water amount of supply-water pump 3, the outlet refrigerant temperature of water cooled condenser 2 is reduced.
When preposition temperature sensor 15 detects the leaving air temp of the second condenser 7 lower than setting value, illustrate that to enter the temperature of the high pressure refrigerant of the second condenser 7 from water cooled condenser 2 on the low side, the supply-water pump 3 of cooling water is then regulated by water quantity controller 17, reduce the cooling water amount of supply-water pump 3, the outlet refrigerant temperature of water cooled condenser 2 is raised.
So reach constant humidity except wet condition by two variable frequency adjustment of above-mentioned blower fan and supply-water pump.
Embodiment 2
As shown in Figure 2, two frequency conversion constant humidity dehumidifier comprises by compressor 1, air cooled condenser 2A, second condenser 7, heating power expansion valve 4, the closed circuit that evaporimeter 5 connects and composes successively and frequency conversion fan 6, wherein the refrigerant exit end of compressor 1 is connected with the refrigerant entrance point of air cooled condenser 2A by high pressure refrigerant blast pipe 13, the refrigerant exit end of air cooled condenser 2A is connected with the refrigerant entrance point of the second condenser 7 by preposition high pressure refrigerant pipe 11, the refrigerant exit end of the second condenser 7 is connected with heating power expansion valve 4 by rearmounted high pressure cooling medium liquid pipe 12, heating power expansion valve 4 is connected with the refrigerant entrance point of evaporimeter 5, the refrigerant exit end of evaporimeter 5 is connected with the refrigerant entrance point of compressor 1 by low pressure return-air refrigerant pipe 9.
Between evaporimeter 5 and the second condenser 7, frequency conversion fan 6 is installed, the circulation air channel of evaporimeter 5, frequency conversion fan 6 and the second condenser 7 formation processing air, evaporimeter 5 is positioned at the inlet side of frequency conversion fan 6, second condenser 7 is positioned at the air side of frequency conversion fan 6, frequency conversion fan 6 also connects rearmounted temperature sensor 16 by blast volume controller 18, rearmounted temperature sensor 16 detecting element is installed on evaporimeter 5 outlet air end, and blast volume controller 18 is for controlling frequency conversion fan 6.
The blower fan 3A of air cooled condenser 2A is arranged on windward side, and blower fan 3A is connected to preposition temperature sensor 15 by the second blast volume controller 17A, and preposition temperature sensor 15 detecting element is placed in the air side of the second condenser 7.
The frequency conversion fan 6 of the present embodiment regulates the ventilation through evaporator 5 by blast volume controller 18, and the control principle of frequency conversion fan 6 part is identical with embodiment 1.
The difference of the present embodiment and embodiment 1 is, in order to be applicable to no-cooling-water environment, the present embodiment adopts air cooled condenser 2A to replace water cooled condenser 2, the supporting forced convertion blower fan 3A of air cooled condenser 2A is frequency conversion fan, and it carrys out the air dewetting state of constant delivery by changing air mass flow.
When the preposition temperature sensor 15 of the air side being arranged on the second condenser 7 detects the leaving air temp of the second condenser 7 higher than setting value, then need the condensation heat of reduction second condenser 7, blower fan 3A is regulated by the second blast volume controller 17A, increase the air mass flow of cooling, the outlet refrigerant temperature of water cooled condenser 2 is reduced.
When preposition temperature sensor 15 detects the leaving air temp of the second condenser 7 lower than setting value, then need the condensation heat of increase by second condenser 7, regulate blower fan 3A by the second blast volume controller 17A, reduce the air mass flow of cooling, the outlet refrigerant temperature of water cooled condenser 2 is raised.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (9)
1. a two frequency conversion constant humidity dehumidifier, it is characterized in that: comprise the closed circuit and frequency conversion fan that are connected and composed successively by compressor, the first condenser, the second condenser, heating power expansion valve, evaporimeter, described frequency conversion fan is located between described evaporimeter and described second condenser, described evaporimeter is positioned at the inlet side of described frequency conversion fan, and described second condenser is positioned at the air side of described frequency conversion fan.
2. according to claim 1 pair of frequency conversion constant humidity dehumidifier, is characterized in that: the air side of described evaporimeter is provided with rearmounted temperature sensor and blast volume controller, and described rearmounted temperature sensor is connected with described frequency conversion fan by described blast volume controller.
3. according to claim 2 pair of frequency conversion constant humidity dehumidifier, it is characterized in that: described first condenser is water cooled condenser, described water cooled condenser is respectively equipped with cooling water inlet end and coolant outlet end, and described cooling water inlet end is connected with the supply-water pump of cooling water by pipeline.
4. according to claim 3 pair of frequency conversion constant humidity dehumidifier, is characterized in that: the air side of described second condenser arranges a preposition temperature sensor, and described preposition temperature sensor connects water quantity controller, and described water quantity controller is connected to described supply-water pump.
5. according to claim 2 pair of frequency conversion constant humidity dehumidifier, is characterized in that: described first condenser is air cooled condenser, and the blower fan of described air cooled condenser is positioned at windward side.
6. according to claim 5 pair of frequency conversion constant humidity dehumidifier, it is characterized in that: the air side of described second condenser arranges preposition temperature sensor, described preposition temperature sensor connects the second blast volume controller, and described second blast volume controller is connected to the blower fan of described air cooled condenser.
7. the dehumanization method of the two frequency conversion constant humidity dehumidifiers as described in any one of claim 1 to 6, is characterized in that: comprise
Circularly cooling part:
1) refrigerant is compressed into high pressure refrigerant gas at described compressor, 2) high pressure refrigerant gas enters cooling in described first condenser, 3) high pressure refrigerant gas enters described second condenser and is condensed into high pressure refrigerant liquid further, 4) high pressure refrigerant liquid is through described heating power expansion valve reducing pressure by regulating flow, 5) refrigerant after step-down enters described evaporimeter heat absorption evaporation, 6) cold media gas after complete carburation by evaporation is again sucked by described compressor and is compressed into high pressure refrigerant gas, iterative cycles like this;
Air dewetting part:
1) extraneous air is from described evaporimeter side air intake, 2) air is through described evaporimeter and the heat exchange of low temperature refrigerant, lower the temperature and produce condensate water, remove portion humidity load, 3) air after cool-down dehumidification is heated 4 through described second condenser) be warming up to the air after ventilation state and flow to user.
8. the dehumanization method of two frequency conversion constant humidity dehumidifier as claimed in claim 7, is characterized in that:
When described rearmounted temperature sensor detects the leaving air temp of described evaporimeter higher than setting value, regulated the power output of described frequency conversion fan by described blast volume controller, reduce ventilation;
When described rearmounted temperature sensor detects the leaving air temp of described evaporimeter lower than setting value, regulated the power output of described frequency conversion fan by described blast volume controller, increase ventilation.
9. the dehumanization method of two frequency conversion constant humidity dehumidifier as claimed in claim 8, is characterized in that:
When described preposition temperature sensor detects the leaving air temp of described second condenser higher than setting value, described supply-water pump is regulated by described water quantity controller, increase the cooling water amount of described water cooled condenser or regulated the blower fan of described air cooled condenser by described second blast volume controller, increasing the air mass flow of cooling;
When described preposition temperature sensor detects the leaving air temp of described second condenser lower than setting value, described supply-water pump is regulated by described water quantity controller, reduce the cooling water amount of described water cooled condenser or regulated the blower fan of described air cooled condenser by described second blast volume controller, reducing the air mass flow of cooling.
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| CN105757807A (en) * | 2016-05-10 | 2016-07-13 | 合肥天鹅制冷科技有限公司 | Dehumidifier with air volume regulation function |
| CN106257146A (en) * | 2016-06-16 | 2016-12-28 | 浙江欧伦电气有限公司 | A kind of underload high-temperature dehumidifier |
| CN106765930A (en) * | 2016-12-13 | 2017-05-31 | 海信（广东）空调有限公司 | A kind of adjustable dehumidifier system of air inlet |
| CN106895565A (en) * | 2017-03-31 | 2017-06-27 | 际高贝卡科技有限公司 | A kind of pair of low-temperature receiver dehumidifying unit and its DC conversion control method |
| CN108518736A (en) * | 2018-04-04 | 2018-09-11 | 珠海格力电器股份有限公司 | Machine, constant temperature and humidity system and its control method in constant temperature and humidity |
| CN109713598A (en) * | 2019-01-11 | 2019-05-03 | 浙江江山博奥电气有限公司 | It is a kind of to utilize water cooling liquefaction automatic dehumidifying temperature control switch cabinet |
| CN112268321A (en) * | 2020-10-26 | 2021-01-26 | 珠海格力电器股份有限公司 | Mixed working medium refrigerating system and dehumidifier |
| CN116658996A (en) * | 2023-07-31 | 2023-08-29 | 宁德时代新能源科技股份有限公司 | Dehumidifier control method, dehumidifier control device, dehumidifier control equipment and storage medium |
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| CN105757807A (en) * | 2016-05-10 | 2016-07-13 | 合肥天鹅制冷科技有限公司 | Dehumidifier with air volume regulation function |
| CN106257146A (en) * | 2016-06-16 | 2016-12-28 | 浙江欧伦电气有限公司 | A kind of underload high-temperature dehumidifier |
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| CN116658996A (en) * | 2023-07-31 | 2023-08-29 | 宁德时代新能源科技股份有限公司 | Dehumidifier control method, dehumidifier control device, dehumidifier control equipment and storage medium |
| CN116658996B (en) * | 2023-07-31 | 2023-12-15 | 宁德时代新能源科技股份有限公司 | Dehumidifier control method, dehumidifier control device, dehumidifier control equipment and storage medium |
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Application publication date: 20160127 |