CN114353198A - Dehumidification system with temperature-adjusting fresh air dehumidifier and control method thereof - Google Patents
Dehumidification system with temperature-adjusting fresh air dehumidifier and control method thereof Download PDFInfo
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- CN114353198A CN114353198A CN202111538751.5A CN202111538751A CN114353198A CN 114353198 A CN114353198 A CN 114353198A CN 202111538751 A CN202111538751 A CN 202111538751A CN 114353198 A CN114353198 A CN 114353198A
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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
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- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model provides a take dehumidification system of temperature regulation type new trend dehumidifier and control method thereof, including the controller, frequency conversion compressor, the four-way valve, air treatment module and outside heat transfer module, frequency conversion compressor passes through the pipeline and is connected with the four-way valve, the four-way valve is connected with air treatment module and outside heat transfer module respectively, the controller and frequency conversion compressor, air treatment module, outside heat transfer module, the four-way valve is connected and is controlled, outside heat transfer module is connected with air treatment module, through the different control of dehumidification mode of operation and heating mode of operation, realize the different flow directions of refrigerant gaseous state. The invention realizes intelligent humidity control, can independently control fresh air volume and meets the indoor air quality requirement; in addition, the heating operation can be realized, one machine has multiple purposes, and the use economy is higher.
Description
Technical Field
The invention relates to the field of fresh air dehumidifiers, in particular to a dehumidification system with a temperature-regulating fresh air dehumidifier and a control method thereof.
Background
Various room air conditioners are used more and more widely in houses and apartment rooms, but at present, most of house houses use room air conditioners without introducing fresh air, indoor pollutants cannot be removed in time, and influences are brought to respiratory systems and body health of people. The fresh air treatment of the prior apartments and residential buildings is mainly carried out by directly carrying out heat treatment on fresh air and exhaust air through a fresh air ventilator, and the fresh air entering the room cannot meet the humidity requirement due to the limitation of heat exchange efficiency. If a special fresh air processing device is adopted, more energy consumption is consumed for fresh air cooling, dehumidification and heating processing, and the device is complex in structure and inconvenient to use.
The existing dehumidifier can not meet the temperature due to the fact that the humidity is solved, or can not solve the problem of humidity due to the fact that the temperature is met.
Disclosure of Invention
In order to solve the technical problem, the invention provides a dehumidification system with a temperature-regulating fresh air dehumidifier and a control method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a take dehumidification system of type of adjusting temperature new trend dehumidifier, includes controller, frequency conversion compressor, cross valve, air treatment module and outside heat transfer module, and frequency conversion compressor passes through the pipeline and is connected with the cross valve, and the cross valve is connected with air treatment module and outside heat transfer module respectively, and the controller is connected with frequency conversion compressor, air treatment module, outside heat transfer module, cross valve and is controlled, and outside heat transfer module is connected with air treatment module.
The outer side heat exchange module comprises a first condenser, a first electronic expansion valve and a first variable frequency fan, one side of the first condenser is connected with the four-way valve through a pipeline, the other side of the first condenser is connected with the first electronic expansion valve through a pipeline, the first variable frequency fan is arranged around the first condenser, an outdoor temperature sensor is arranged on the periphery of the first variable frequency fan, a coil pipe temperature sensor is arranged on the periphery of the outer side heat exchange module, the first condenser, the first electronic expansion valve, the first variable frequency fan, the coil pipe temperature sensor and the outdoor temperature sensor are all connected with the controller, and the outer side heat exchange module is provided with an outdoor air inlet and an outdoor air outlet.
The air treatment module comprises an evaporator, a second condenser, a second electronic expansion valve, a first one-way valve, a second one-way valve and a second variable frequency fan, the evaporator is connected with the four-way valve through a pipeline, the second condenser is connected with the second electronic expansion valve, the second electronic expansion valve is connected with the second one-way valve, the second one-way valve is respectively connected with the evaporator and the first one-way valve, the first one-way valve is connected with the first electronic expansion valve, the first one-way valve is also connected with the second condenser, the second variable frequency fan is arranged on the periphery of the second condenser, the air treatment module is provided with an indoor air inlet, an indoor air outlet and a fresh air inlet, and the evaporator, the second condenser, the second electronic expansion valve and the second variable frequency fan are all connected with the controller.
The utility model discloses an indoor air conditioner, including evaporimeter department, indoor air intake, indoor air outlet, indoor temperature sensor, air-out temperature sensor, indoor air intake, indoor air outlet, indoor temperature sensor, temperature and humidity sensor, air-out temperature sensor, evaporimeter temperature sensor, the indoor air intake is equipped with indoor temperature sensor, and indoor temperature sensor, temperature and humidity sensor, air-out temperature sensor, evaporimeter temperature sensor all are connected with the controller.
And an exhaust temperature sensor is arranged at an exhaust port of the variable frequency compressor and is connected with the controller.
A control method of a dehumidification system with a temperature-regulating fresh air dehumidifier has a dehumidification mode and a heating mode, wherein,
when the dehumidification mode is operated, refrigerant gas is discharged by the compressor, and then sequentially flows from the four-way valve, the first condenser, the first electronic expansion valve, the second condenser, the second electronic expansion valve, the second one-way valve and the evaporator, and then returns to the four-way valve and returns to the compressor through the air suction port of the compressor, the first one-way valve is closed, and the second one-way valve is opened;
when the heating mode is operated, refrigerant gas is discharged from the compressor, then sequentially returns to the four-way valve from the four-way valve, the evaporator, the first one-way valve, the first electronic expansion valve and the first condenser, and then returns to the compressor from the air suction port of the compressor, the first one-way valve is switched on, and the second one-way valve is switched off.
And in the dehumidification mode operation state, the opening degree of the first electronic expansion valve is set to be the maximum.
In the dehumidification mode operation process, when the air outlet temperature of the outer side heat exchange module is detected to be lower than the set temperature, the rotating speed of the first variable frequency fan is reduced, so that the heat exchange quantity of the first condenser is reduced, the heat exchange quantity of the second condenser is increased, and the air outlet temperature of the indoor air outlet is increased;
when the air outlet temperature of the outer side heat exchange module is higher than the set temperature, the rotating speed of the first variable frequency fan is increased, the heat exchange quantity of the first condenser is increased, the heat exchange quantity of the second condenser is reduced, and the air outlet temperature of the indoor air outlet is reduced.
And when the current humidity is different from the set humidity, adjusting the air inlet volume of the fresh air inlet and the indoor air inlet.
And if the current humidity is detected to be inconsistent with the set humidity, adjusting the operating frequency of the variable frequency compressor.
The invention has the following beneficial effects:
the two parallel first one-way valves and the two parallel second one-way valves are combined with intelligent control, refrigerant gases have different flow directions in dehumidification and heating modes, intelligent humidity control is achieved, fresh air volume can be independently controlled, and indoor air quality requirements are met; in addition, the system can also realize heat supply operation, has multiple purposes and has higher use economy.
Drawings
FIG. 1 is a schematic diagram of the principles of the present invention;
FIG. 2 is a schematic view of the flow of refrigerant in the dehumidification mode of the present invention;
fig. 3 is a schematic view showing a flow direction of refrigerant gas in a heating mode of the present invention.
Reference numerals:
1-a four-way valve; 2-evaporator temperature sensor; 3-fresh air inlet; 4-indoor temperature sensor; 5-indoor air inlet; 6-a temperature and humidity sensor; 7-an evaporator; 8-a second condenser; 9-indoor air outlet; 10-a second variable frequency fan; 11-an air outlet temperature sensor; 12-a first one-way valve; 13-a second electronic expansion valve; 14-a first electronic expansion valve; 15-coil temperature sensor; 16-outdoor temperature sensor; 17-outdoor air inlet; 18-a first condenser; 19-outdoor air outlet; 20-a first variable frequency fan; 21-exhaust gas temperature sensor; 22-second one-way valve.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are referred to, they refer to the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example one
As shown in the attached figure 1, the invention discloses a dehumidification system with a temperature-regulating fresh air dehumidifier, which comprises a controller (not shown in the figure), a variable frequency compressor, a four-way valve 1, an air treatment module and an outer side heat exchange module, wherein the variable frequency compressor is connected with the four-way valve 1 through a pipeline, the four-way valve is respectively connected with the air treatment module and the outer side heat exchange module, the controller is connected with the variable frequency compressor, the air treatment module, the outer side heat exchange module and the four-way valve for control, and the outer side heat exchange module is connected with the air treatment module. The outdoor heat exchange module is an outdoor part, the air treatment module is an indoor part, the controller can control the on-off of the variable frequency compressor and adjust the operation frequency, the four-way valve is an electric valve, and the controller can control the on-off of a certain port, so that different flow directions of the gaseous refrigerant are realized, and the working states under different operation modes are met. The controller can be a control circuit board and is integrally arranged on a certain terminal.
The outer side heat exchange module comprises a first condenser 18, a first electronic expansion valve 14 and a first variable frequency fan 20, one side of the first condenser 18 is connected with one port of the four-way valve 1 through a pipeline, the other side of the first condenser 18 is connected with the first electronic expansion valve 14 through a pipeline, the first variable frequency fan 20 is arranged around the first condenser 18, an outdoor temperature sensor 16 is arranged on the periphery of the first variable frequency fan 20, a coil temperature sensor 15 is arranged on the periphery of the outer side heat exchange module, the first condenser 18, the first electronic expansion valve 14, the first variable frequency fan 20, the coil temperature sensor 15 and the outdoor temperature sensor 16 are all connected with the controller, and the outer side heat exchange module is provided with an outdoor air inlet 17 and an outdoor air outlet 19. The outdoor temperature sensor 16 is used for detecting the outdoor temperature, and the wind coming in through the outdoor air inlet can be effectively detected. The first variable frequency fan can control the air output of the outdoor air outlet and adjust the air output size.
The air treatment module comprises an evaporator 7, a second condenser 8, a second electronic expansion valve 13, a first one-way valve 12, a second one-way valve 22 and a second variable frequency fan 10, wherein the evaporator 7 is connected with the four-way valve 1 through a pipeline, the second condenser 8 is connected with the second electronic expansion valve 13, the second electronic expansion valve 13 is connected with the second one-way valve 22, the second one-way valve 22 is respectively connected with the evaporator 7 and the first one-way valve 12, the first one-way valve 12 is connected with the first electronic expansion valve 14, the first one-way valve 12 is further connected with the second condenser 8, the second variable frequency fan 10 is arranged on the periphery of the second condenser 8, the air treatment module is provided with an indoor air inlet 5, an indoor air outlet 9 and a fresh air inlet 3, and the evaporator 7, the second condenser 8, the second electronic expansion valve 13 and the second variable frequency fan 10 are all connected with the controller. The air treatment module mainly provides fresh air and controls the temperature and humidity for the indoor space. The first one-way valve and the second one-way valve belong to a structural relation of parallel connection, and are respectively in a conducting state or a stopping state in different operation modes. The first one-way valve and the second one-way valve can guide the refrigeration medium to different flowing directions, and normal work in different operation modes such as a dehumidification mode and a heating mode is met. The fresh air after the indoor air outlet can discharge and handle guarantees the fresh of room air, plays the control action to humidity simultaneously.
Example two
In order to be in whole operation in-process, can be more accurate play the control effect, timely collection corresponding data, 7 departments of evaporimeter are equipped with evaporimeter temperature sensor 2, and 5 inboards of indoor air intake are equipped with indoor temperature sensor 4, and the 5 outsides of indoor air intake are equipped with temperature and humidity sensor 6, and indoor air outlet 5 is equipped with air-out temperature sensor 11, and indoor temperature sensor, temperature and humidity sensor, air-out temperature sensor, evaporimeter temperature sensor all are connected with the controller. The humidity near the evaporator can be collected by the evaporator humidity sensor, the indoor humidity sensor is used for collecting the indoor humidity condition, the temperature and humidity sensor is used for detecting the temperature and humidity of air inlet in the air processing module, checking the temperature and humidity of the air inlet and feeding back the temperature and humidity to the controller, the operation conditions of the second condenser and the evaporator can be controlled, and the purposes of temperature adjustment and humidity adjustment are achieved.
The exhaust temperature sensor is arranged at the exhaust port of the variable frequency compressor and connected with the controller, and the temperature of the exhaust gas at the exhaust port of the variable frequency compressor is acquired through the exhaust humidity sensor, so that corresponding control is realized.
EXAMPLE III
The invention also provides a control method of the dehumidification system with the temperature-regulating fresh air dehumidifier, which has a dehumidification mode and a heating mode, has multiple purposes, and meets the dehumidification requirement and the independent heating requirement of users.
When the dehumidification mode is operated, refrigerant gas is discharged by the compressor, and then sequentially flows from the four-way valve, the first condenser, the first electronic expansion valve, the second condenser, the second electronic expansion valve, the second one-way valve and the evaporator, and then returns to the four-way valve and returns to the compressor through the air suction port of the compressor, so that the refrigerant gas is continuously circulated. The first one-way valve is closed, and the second one-way valve is opened. The first condenser plays a first-stage condensation role, the opening degree of the first expansion valve is adjusted to be the maximum in the dehumidification mode, and the second electronic expansion valve plays an effective throttling and pressure reducing role. The second condenser plays a role of secondary condensation and is mainly used for regulating and controlling temperature. The corresponding ports of the four-way valve are opened, and other ports are closed, so that the flow direction of the refrigeration medium is ensured according to all parts.
In the dehumidification mode, the first one-way valve is closed, the second one-way valve is opened, and at the moment, the evaporator is communicated with the second condenser through the second one-way valve. Because the first one-way valve is cut off, the evaporator and the first electronic expansion valve cannot be directly communicated, and the stable operation of the dehumidification mode is ensured.
When the heating mode is operated, refrigerant gas is discharged from the compressor, then sequentially returns to the four-way valve from the four-way valve, the evaporator, the first one-way valve, the first electronic expansion valve and the first condenser, and then returns to the compressor from the air suction port of the compressor, the first one-way valve is switched on, and the second one-way valve is switched off. The first electronic expansion valve plays a role in throttling and pressure reduction, and the first condenser evaporates and absorbs heat. Under the heating mode operation, the first one-way valve is communicated, the second one-way valve is stopped, and at the moment, the evaporator is directly communicated with the first electronic expansion valve through the first one-way valve.
When the first check valve is opened, the first check valve flows in one direction from the evaporator toward the first electronic expansion valve. When the second one-way valve is communicated, the one-way communication direction of the second one-way valve is the one-way circulation in the sequence direction of the second condenser, the second electronic expansion valve and the evaporator. Therefore, different flow directions of the refrigerant are realized by controlling the on-off of the first one-way valve and the second one-way valve, and the refrigerant corresponds to different working modes.
Fresh air enters the air treatment module from the fresh air inlet, and the adjustment of humidity and temperature is realized by the evaporator and the condenser, so that the intelligent control of humidity is realized.
In addition, the coil temperature sensor, the outdoor temperature sensor, the indoor temperature sensor, the exhaust humidity sensor, the evaporator temperature sensor and the temperature and humidity sensor are all temperature sensors, and are defined by different names, which are only defined for convenience of description and distinction.
In addition, for the connection between the components, a capillary tube, or a copper tube, or other suitable conduit for the refrigerant to flow through may be used.
In addition, in the dehumidification mode operation process, when the air outlet temperature of the outer side heat exchange module is lower than the set temperature, the rotating speed of the first variable frequency fan is reduced, so that the heat exchange quantity of the first condenser is reduced, the heat exchange quantity of the second condenser is increased, and the air outlet temperature of the indoor air outlet is increased. The rotational speed of first frequency conversion fan reduces, and then the amount of wind blowing can reduce to just also corresponding heat transfer volume that makes first condenser obtains reducing, and in this time, the heat transfer volume of second condenser just can rise certainly, just so can make the air-out temperature in the air treatment module obtain promoting, satisfies the temperature condition of settlement from indoor air outlet exhaust wind, realizes more comfortable environment.
When the air outlet temperature of the outer side heat exchange module is higher than the set temperature, the rotating speed of the first variable frequency fan is increased, the heat exchange quantity of the first condenser is increased, the heat exchange quantity of the second condenser is reduced, and the air outlet temperature of the indoor air outlet is reduced. The rotational speed of first frequency conversion fan improves, and the air output will increase, so must just lead to the heat transfer volume of first condenser to increase, and meanwhile, the heat transfer volume of the second condenser of connection will reduce relatively, and indoor air-out temperature will descend this moment, realizes the intelligent control of humiture.
And when the current humidity is different from the set humidity, adjusting the air inlet volume of the fresh air inlet and the indoor air inlet. And if the current humidity is detected to be inconsistent with the set humidity, adjusting the operating frequency of the variable frequency compressor.
Although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements, and the like can be made in the technical solutions of the foregoing embodiments or in some of the technical features of the foregoing embodiments, but those modifications, equivalents, improvements, and the like are all within the spirit and principle of the present invention.
Claims (10)
1. The utility model provides a take dehumidification system of type of adjusting temperature new trend dehumidifier which characterized in that, includes controller, frequency conversion compressor, cross valve, air treatment module and outside heat transfer module, and frequency conversion compressor passes through the pipeline and is connected with the cross valve, and the cross valve is connected with air treatment module and outside heat transfer module respectively, and the controller is connected with frequency conversion compressor, air treatment module, outside heat transfer module, cross valve and is controlled, and outside heat transfer module is connected with air treatment module.
2. The dehumidification system with a temperature-adjusting fresh air dehumidifier as claimed in claim 1, wherein the outside heat exchange module comprises a first condenser, a first electronic expansion valve and a first variable frequency fan, one side of the first condenser is connected with the four-way valve through a pipeline, the other side of the first condenser is connected with the first electronic expansion valve through a pipeline, the first variable frequency fan is arranged around the first condenser, an outdoor temperature sensor is arranged on the periphery of the first variable frequency fan, a coil temperature sensor is arranged on the periphery of the outside heat exchange module, the first condenser, the first electronic expansion valve, the first variable frequency fan, the coil temperature sensor and the outdoor temperature sensor are all connected with the controller, and the outside heat exchange module is provided with an outdoor air inlet and an outdoor air outlet.
3. The dehumidification system with the temperature-adjusting fresh air dehumidifier as claimed in claim 2, wherein the air treatment module comprises an evaporator, a second condenser, a second electronic expansion valve, a first one-way valve, a second one-way valve and a second variable frequency fan, the evaporator is connected with the four-way valve through a pipeline, the second condenser is connected with the second electronic expansion valve, the second electronic expansion valve is connected with the second one-way valve, the second one-way valve is respectively connected with the evaporator and the first one-way valve, the first one-way valve is connected with the first electronic expansion valve, the first one-way valve is further connected with the second condenser, the second variable frequency fan is arranged at the periphery of the second condenser, the air treatment module is provided with an indoor air inlet, an indoor air outlet and a fresh air inlet, and the evaporator, the second condenser, the second electronic expansion valve and the second variable frequency fan are all connected with the controller.
4. The dehumidification system with the temperature-adjusting fresh air dehumidifier as claimed in claim 3, wherein an evaporator temperature sensor is arranged at the evaporator, an indoor temperature sensor is arranged at the inner side of the indoor air inlet, a temperature and humidity sensor is arranged at the outer side of the indoor air inlet, an air outlet temperature sensor is arranged at the indoor air outlet, and the indoor temperature sensor, the temperature and humidity sensor, the air outlet temperature sensor and the evaporator temperature sensor are all connected with the controller.
5. The dehumidification system with the temperature-adjusting fresh air dehumidifier as claimed in claim 4, wherein an exhaust temperature sensor is arranged at an exhaust port of the inverter compressor, and the exhaust temperature sensor is connected with the controller.
6. A control method of a dehumidification system with a temperature regulation type fresh air dehumidifier according to claim 5, which is characterized in that the dehumidification mode and the heating mode are provided, wherein,
when the dehumidification mode is operated, refrigerant gas is discharged by the compressor, and then sequentially flows from the four-way valve, the first condenser, the first electronic expansion valve, the second condenser, the second electronic expansion valve, the second one-way valve and the evaporator, and then returns to the four-way valve and returns to the compressor through the air suction port of the compressor, the first one-way valve is closed, and the second one-way valve is opened;
when the heating mode is operated, refrigerant gas is discharged from the compressor, then sequentially returns to the four-way valve from the four-way valve, the evaporator, the first one-way valve, the first electronic expansion valve and the first condenser, and then returns to the compressor from the air suction port of the compressor, the first one-way valve is switched on, and the second one-way valve is switched off.
7. The method of claim 6, wherein the opening of the first electronic expansion valve is maximized in the dehumidification mode operation.
8. The method for controlling the dehumidification system with the temperature-adjusting fresh air dehumidifier as claimed in claim 7, wherein during the dehumidification mode operation, when the outlet air temperature of the outside heat exchange module is detected to be lower than a set temperature, the rotation speed of the first variable frequency fan is reduced, so that the heat exchange capacity of the first condenser is reduced, the heat exchange capacity of the second condenser is increased, and the outlet air temperature of the indoor air outlet is increased;
when the air outlet temperature of the outer side heat exchange module is higher than the set temperature, the rotating speed of the first variable frequency fan is increased, the heat exchange quantity of the first condenser is increased, the heat exchange quantity of the second condenser is reduced, and the air outlet temperature of the indoor air outlet is reduced.
9. The method as claimed in claim 8, wherein the amount of air supplied to the fresh air inlet and the indoor air inlet is adjusted when the current humidity is different from the set humidity.
10. The method as claimed in claim 9, wherein the operating frequency of the inverter compressor is adjusted if the current humidity is detected to be inconsistent with the set humidity.
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| CN115143660A (en) * | 2022-06-30 | 2022-10-04 | 雅凯热能技术(江苏)有限公司 | Storage air conditioning system |
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| CN214370623U (en) * | 2020-10-28 | 2021-10-08 | 无锡乐可视环境科技有限公司 | Controllable formula dehumidification unit of no power consumption |
| CN112880034A (en) * | 2021-03-25 | 2021-06-01 | 浙江星光电科智能家居科技有限公司 | Fresh air temperature and humidity control system, fresh air conditioner and fresh air dehumidification temperature control method |
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| CN115143660A (en) * | 2022-06-30 | 2022-10-04 | 雅凯热能技术(江苏)有限公司 | Storage air conditioning system |
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