CN110567202A - drying filter, air conditioning unit and control method thereof - Google Patents
drying filter, air conditioning unit and control method thereof Download PDFInfo
- Publication number
- CN110567202A CN110567202A CN201910738385.4A CN201910738385A CN110567202A CN 110567202 A CN110567202 A CN 110567202A CN 201910738385 A CN201910738385 A CN 201910738385A CN 110567202 A CN110567202 A CN 110567202A
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- drying
- humidity
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- 238000001035 drying Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004378 air conditioning Methods 0.000 title claims abstract description 14
- 238000007791 dehumidification Methods 0.000 claims abstract description 38
- 238000005485 electric heating Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000012423 maintenance Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 230000013011 mating Effects 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 8
- 230000006870 function Effects 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/003—Filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Drying Of Gases (AREA)
Abstract
the invention relates to a dry filter, an air conditioning unit and a control method thereof, wherein the dry filter comprises: drying the filter body; the temperature and humidity sensor is used for detecting temperature and humidity information in the drying filter body; and the controller is used for controlling whether the drying filter body dries the medium flowing through or not according to the temperature and humidity information. According to the technical scheme provided by the invention, the temperature and humidity information in the drying filter body is detected, and whether the drying filter body dries the medium flowing through is controlled according to the temperature and humidity information, so that the medium flowing through is automatically dried, operation of a professional is not needed, manual dependence is reduced, labor cost is saved, and dehumidification control precision is improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a drying filter, an air conditioning unit and a control method of the drying filter and the air conditioning unit.
Background
If the water content of the air conditioning unit exceeds the standard and the air conditioning unit is not processed in time, not only can ice blockage be generated and the system performance be influenced, but also the problems of corrosion, leakage and the like can be caused.
A common treatment method in the prior art is to add a dry filter to the system. The dry filter can absorb moisture in the system on one hand and can filter impurities in the system on the other hand. But the desiccator dehumidification principle among the prior art mainly carries out the physics dehumidification through filtering the filter core, although has laid humidity transducer among the desiccator, the control and the dehumidification effect of dehumidification time point still greatly depend on professional's experience and professional proficiency, and dehumidification control is not accurate, complex operation, human input are big.
disclosure of Invention
In order to overcome the problems in the related art at least to a certain extent, the invention provides a drying filter, an air conditioning unit and a control method thereof, and aims to solve the problems that in the prior art, the drying filter is complicated in operation for drying media flowing through, high in manual participation degree and inaccurate in control.
According to a first aspect of embodiments of the present invention, there is provided a filter-drier comprising:
the filter body is dried, and the filter body is dried,
The temperature and humidity sensor is used for detecting temperature and humidity information in the drying filter body;
and the controller is used for controlling whether the drying filter body dries the medium flowing through or not according to the temperature and humidity information.
preferably, the filter-drier further comprises:
The first electromagnetic valve is arranged on the inlet pipe of the drying filter body and is connected with the controller;
And the second electromagnetic valve is arranged on the outlet pipe of the drying filter body and is connected with the controller.
preferably, the dry filter body comprises:
The filter comprises a shell and a filter element arranged in the shell;
an electrical heating band coupled to the controller and disposed between the housing and the filter element, and/or within the filter element.
Preferably, the filter-drier further comprises:
the filter screen is covered on the end surface of the filter element and is used for filtering media impurities flowing through;
The filter element tray with the holes covers the filter screen and is used for fixing the filter screen and the filter elements.
preferably, an end cover is welded at one end of the shell, and a mating flange is welded at the other end of the shell;
the end cover is communicated with an outlet pipe of the drying filter body;
the mating flange and the maintenance flange are fixed through bolts.
Preferably, the maintenance flange is provided with a fixing rod;
The filter element, the filter screen and the filter element tray are sequentially sleeved on the fixed rod, and then are locked on the fixed rod through the locking nut, and the maintenance flange and the mating flange are sealed in the shell.
Preferably, the end cover is provided with an exhaust valve connected with the controller;
And the exhaust valve is used for controlling whether the water vapor in the shell flows out or not through the opening and closing of the exhaust valve.
preferably, the filter element comprises a single media material, or, alternatively, a mixed adsorbent media material;
the filter element adsorbs media impurities through physical adsorption or reversible chemical reaction, and can be dehydrated and reduced within a preset temperature range.
preferably, the filter-drier further comprises:
The control panel is connected with the controller and used for receiving a touch dehumidification instruction of a user; and/or the presence of a gas in the gas,
and the communication module is connected with the controller and used for receiving a wireless dehumidification instruction of a user, and the wireless dehumidification instruction is sent through user terminal equipment or sent through a server.
According to a second aspect of the embodiments of the present invention, there is provided an air conditioning unit, including:
the above-mentioned filter-drier.
According to a third aspect of the embodiments of the present invention, there is provided a control method of a dry filter, including:
Detecting temperature and humidity information in the body of the drying filter;
and controlling whether the drying filter body dries the medium flowing through or not according to the temperature and humidity information.
preferably, if an electrically heated belt is disposed in the filter-drier body, and the filter-drier includes a first solenoid valve and a second solenoid valve, the controlling whether the filter-drier body dries a medium flowing through the filter-drier body includes:
If the humidity value in the temperature and humidity information is larger than or equal to a preset humidity value, closing the first electromagnetic valve and the second electromagnetic valve, and starting the electric heating belt; and/or the presence of a gas in the gas,
And if the humidity value in the temperature and humidity information is lower than the preset humidity value, closing the electric heating belt, and opening the first electromagnetic valve and the second electromagnetic valve.
preferably, if an exhaust valve is provided in the dry filter body, the method further comprises:
After the electric heating belt is started, if the temperature value in the temperature and humidity information is larger than a first preset temperature value, the exhaust valve is opened until the humidity value in the temperature and humidity information is lower than a preset humidity value.
preferably, the method further comprises:
And if the temperature value in the temperature and humidity information is greater than a second preset temperature value, controlling the electric heating belt to automatically power off.
Preferably, the method further comprises:
controlling whether the drying filter body dries media flowing through or not according to a dehumidification instruction of a user; the dehumidification instructions include: a touch dehumidification instruction, and/or a wireless dehumidification instruction.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
Through detecting this internal humiture information of drier-filter, and according to humiture information, control whether drier-filter body carries out the drying to the medium that flows through to realized the automatic drying of the medium that flows through, need not the professional and operated, reduced artifical reliance, saved the human cost, improved dehumidification control accuracy.
it is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
the accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic illustration of a filter-drier configuration according to an exemplary embodiment;
FIG. 2 is a flow chart illustrating a method of controlling a filter dryer according to an exemplary embodiment;
Fig. 3 is a flow chart illustrating a method of controlling a filter-drier according to another exemplary embodiment.
Detailed Description
reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Fig. 1 is a schematic structural view illustrating a filter-drier according to an exemplary embodiment, as shown in fig. 1, including:
the filter body 1 is dried and the filter is,
The temperature and humidity sensor 2 is used for detecting temperature and humidity information in the drying filter body 1;
and a controller (not shown in the drawings) for controlling whether the drying filter body 1 dries the medium flowing through according to the temperature and humidity information.
It is noted that the media include, but are not limited to: air, water, refrigerant, etc.; the drying filter provided by the embodiment is suitable for all scenes needing to dry and dehumidify media. Preferably, the dry filter provided by the embodiment is suitable for being used in an air conditioning unit. The medium is a refrigerant.
It can be understood that, the technical scheme that this embodiment provided is through detecting this internal humiture information of drier-filter, and according to humiture information, control whether drier-filter body carries out the drying to the medium that flows through to realized the automatic drying to the medium that flows through, need not professional and operate, reduced artifical reliance, saved the human cost, improved dehumidification control accuracy.
preferably, the filter-drier further comprises:
the first electromagnetic valve 3 is arranged on the inlet pipe 11 of the drying filter body 1 and is connected with the controller;
And the second electromagnetic valve 4 is arranged on the outlet pipe 12 of the drying filter body 1 and is connected with the controller.
It will be appreciated that the first and second solenoid valves are used to control whether media enters the filter-drier body. When the media in the drying filter body needs drying and dehumidifying, the controller controls the first electromagnetic valve and the second electromagnetic valve to be closed, the media in the pipeline does not flow any more, and after the media in the drying filter body is dried, the controller opens the first electromagnetic valve and the second electromagnetic valve again, so that the media after drying flows back to the pipeline, drying effect can be guaranteed, and drying efficiency can be improved.
preferably, the dry filter body 1 comprises:
a housing 13 and a filter element 14 arranged in the housing 13;
An electrical heating band 15, connected to the controller, disposed between the housing 13 and the filter element 14, and/or within the filter element 14.
The filter element may be in the shape of a column, a barrel, a layer, or the like. The shape of the shell can be set according to the needs of a user.
Preferably, the cartridge 14 comprises a single media material, or, alternatively, a mixed adsorbent media material; commonly used dielectric materials are desiccants such as silica gel, molecular sieves, fibers, and the like. The filter element adsorbs media impurities through physical adsorption or reversible chemical reaction, and can be dehydrated and reduced at a preset temperature range (for example, at the temperature of 80-120 ℃).
Preferably, the filter element is a solid filter element consisting of activated carbon and silica gel. The moisture absorption principle is physical adsorption, and the material can be dried at the temperature of 100-120 ℃ for recycling. The temperature of the electric heating belt is set to be 110 ℃, and when heating and dehumidification are needed, electric heating is started. And when the temperature exceeds 110 ℃, performing power-off protection.
it can be understood that the arrangement of the electric heating belt can accelerate the drying speed of the medium and improve the user experience. The filter core can be guaranteed to recycle by the dehydration reduction characteristic of the filter core, the use cost of a user is reduced, and the user experience is improved.
preferably, the filter-drier further comprises:
A filter screen 20 covering the end face of the filter element 14 for filtering media impurities flowing through;
and a filter element tray 16 with a hole is covered on the filter screen 20 and used for fixing the filter screen 20 and the filter element 14.
preferably, the filter screen 20 is made of nylon or resin material, and 80-120 meshes;
The filter element tray 16 is made of common carbon steel and is 1-2 mm thick.
Preferably, the filter screen 20 is disposed on an end surface of the filter element 14 facing the outlet pipe 12. It can be understood that the medium flows out from one end of the filter element and flows out from the other end, and the filter screen covers the end face of the outflow, so that the medium entering the body of the drying filter can be dried and filtered at 360 degrees without dead angles, and the drying and filtering effect is ensured.
Preferably, an end cover 17 is welded at one end of the shell 13, and a mating flange is welded at the other end;
The end cover 17 is communicated with the outlet pipe 12 of the drying filter body 1;
the companion flange is secured to a service flange 18 by bolts 22.
preferably, the end cap 17 is conical, and the tray of the filter element 14 is pressed against the bottom of the conical end cap after being installed in the dry filter body 1.
it will be appreciated that the service flange is provided to facilitate servicing of the filter-drier body. When the dry filter body breaks down and needs to be maintained, or when the filter element needs to be cleaned, the maintenance flange is opened, and parts in the dry filter body are pulled out for maintenance and cleaning. Convenient disassembly and quick maintenance.
Preferably, the maintenance flange 18 is provided with a fixing rod 19;
the filter element 14, the filter screen 20 and the filter element tray 16 are sequentially sleeved on the fixing rod 19, locked on the fixing rod 19 through a locking nut 21, and sealed in the shell 13 through the maintenance flange 18 and the mating flange.
preferably, the fixing rod 19 is fixed on the maintenance flange 18 through threaded connection, the filter element 14 is sleeved on the fixing rod 19, and then the filter screen 20 and the filter element tray 16 are sequentially installed at the end part of the filter element 14 and locked by the locking nut 21. Finally, the whole is pushed into the housing 1 of the filter-drier and sealed by the service flange 18 and the counter flange.
It can be understood that the drying filter provided by the embodiment has the advantages of high integration level of parts, simple structure, convenience in mounting and dismounting, good user experience degree and high satisfaction degree.
Preferably, the end cover 17 is provided with an exhaust valve 23 connected with the controller;
The exhaust valve 23 is used for controlling whether the water vapor in the shell 1 flows out or not through opening and closing of the exhaust valve.
it can be understood that when the electric heating belt is turned on, the temperature in the housing rises, when the temperature rises to a certain threshold, the medium turns into water vapor, and if the water vapor is not discharged, the humidity of the refrigerant in the housing is affected, and the dehumidification effect is affected. Therefore, the arrangement of the exhaust valve can ensure the drying and dehumidifying effects of the drying filter.
preferably, the filter-drier further comprises:
A control panel (not shown in the figures) connected to the controller for receiving a user's touch dehumidification command; and/or the presence of a gas in the gas,
And the communication module (not shown in the drawing) is connected with the controller and is used for receiving a wireless dehumidification instruction of a user, and the wireless dehumidification instruction is sent through user terminal equipment or sent through a server.
it should be noted that the user terminal device includes, but is not limited to: remote controllers, mobile phones, notebook computers, tablet computers, desktop computers, and the like. The server includes: a local server, and/or a backend server. The communication module is in wireless connection with the user terminal equipment and the server.
It can be understood that, in the technical solution provided in this embodiment, there are two operation modes for drying and dehumidifying of the filter dryer: one is that the temperature and humidity are automatically detected, and the drying and the dehumidification are automatically carried out according to the temperature and the humidity; the other method is that the temperature and the humidity are automatically detected, the temperature and humidity data are displayed through a control panel, or user terminal equipment, or a server, and a user carries out instruction control drying and dehumidifying according to the monitored temperature and humidity data. And when the two working modes exist simultaneously, the drying and dehumidifying working modes are controlled to be preferentially executed according to the user instruction.
it can be understood that, according to the technical scheme provided by the embodiment, a user can select multiple working modes to control the drying filter, and the drying filter has a wide application range and good user experience.
An air conditioning assembly according to an exemplary embodiment of the present invention is shown, including:
The above-mentioned filter-drier.
it can be understood that, the technical scheme that this embodiment provided is through detecting this internal humiture information of drier-filter, and according to humiture information, control whether drier-filter body carries out the drying to the medium that flows through to realized the automatic drying to the medium that flows through, need not professional and operate, reduced artifical reliance, saved the human cost, improved dehumidification control accuracy.
fig. 2 is a flow chart illustrating a method of controlling a filter-drier according to an exemplary embodiment, as shown in fig. 2, the method including:
step S11, temperature and humidity information in the drying filter body is detected;
and step S12, controlling whether the drying filter body dries the medium flowing through according to the temperature and humidity information.
It should be noted that the technical solution provided in this embodiment is applied to a dry filter of an air conditioning unit, and is preferably applied to the dry filter shown in fig. 1.
It can be understood that, the technical scheme that this embodiment provided is through detecting this internal humiture information of drier-filter, and according to humiture information, control whether drier-filter body carries out the drying to the medium that flows through to realized the automatic drying to the medium that flows through, need not professional and operate, reduced artifical reliance, saved the human cost, improved dehumidification control accuracy.
Preferably, if an electrically heated belt is disposed in the filter-drier body, and the filter-drier includes a first solenoid valve and a second solenoid valve, the controlling whether the filter-drier body dries a medium flowing through the filter-drier body includes:
if the humidity value in the temperature and humidity information is larger than or equal to a preset humidity value, closing the first electromagnetic valve and the second electromagnetic valve, and starting the electric heating belt; and/or the presence of a gas in the gas,
and if the humidity value in the temperature and humidity information is lower than the preset humidity value, closing the electric heating belt, and opening the first electromagnetic valve and the second electromagnetic valve.
It will be appreciated that the first and second solenoid valves are used to control whether media enters the filter-drier body. When the media in the drying filter body needs drying and dehumidifying, the controller controls the first electromagnetic valve and the second electromagnetic valve to be closed, the media in the pipeline does not flow any more, and after the media in the drying filter body is dried, the controller opens the first electromagnetic valve and the second electromagnetic valve again, so that the media after drying flows back to the pipeline, drying effect can be guaranteed, and drying efficiency can be improved.
preferably, if an exhaust valve is provided in the dry filter body, the method further comprises:
after the electric heating belt is started, if the temperature value in the temperature and humidity information is larger than a first preset temperature value, the exhaust valve is opened until the humidity value in the temperature and humidity information is lower than a preset humidity value.
it should be noted that the first preset temperature value is set according to the temperature value at which the medium can be changed into water vapor. For example, if the medium can change into water vapor at 90 ℃, the first preset temperature value is set to 90 ℃; if the medium can change into water vapor at 100 ℃, the first preset temperature value is set to be 100 ℃ and the like.
it can be understood that, when the electric heating belt is turned on, the temperature in the housing rises, and when the temperature rises to a certain threshold (for example, a first preset temperature value), the medium turns into water vapor, and if the water vapor is not discharged, the humidity of the refrigerant in the housing is affected, and the dehumidification effect is affected. Therefore, the arrangement of the exhaust valve can ensure the drying and dehumidifying effects of the drying filter.
preferably, the method further comprises:
And if the temperature value in the temperature and humidity information is greater than a second preset temperature value, controlling the electric heating belt to automatically power off.
It should be noted that the second preset temperature value is set according to the highest tolerable temperature value of the electric heating belt, for example, if the highest tolerable temperature value of the electric heating belt is 120 ℃, the second preset temperature value may be set to 110 ℃; if the highest bearable temperature value of the electric heating belt is 100 ℃, the second preset temperature value can be set to 90 ℃ and the like.
for another example, the filter element of the drying filter can be dried at 100-120 ℃ for reuse, the second preset temperature value is set to be 110 ℃, and when heating and dehumidification are needed, electric heating is started. And when the temperature exceeds 110 ℃, performing power-off protection.
it can be understood that the electric heating belt has an automatic power-off function, so that the electric leakage discharge accident can be prevented, and the safety and the reliability of the drying filter are improved.
Preferably, the method further comprises:
Controlling whether the drying filter body dries media flowing through or not according to a dehumidification instruction of a user; the dehumidification instructions include: a touch dehumidification instruction, and/or a wireless dehumidification instruction.
It can be understood that, in the technical solution provided in this embodiment, there are two operation modes for drying and dehumidifying of the filter dryer: one is that the temperature and humidity are automatically detected, and the drying and the dehumidification are automatically carried out according to the temperature and the humidity; the other method is that the temperature and the humidity are automatically detected, the temperature and humidity data are displayed through a control panel, or user terminal equipment, or a server, and a user carries out instruction control drying and dehumidifying according to the monitored temperature and humidity data. And when the two working modes exist simultaneously, the drying and dehumidifying working modes are controlled to be preferentially executed according to the user instruction.
it can be understood that, according to the technical scheme provided by the embodiment, a user can select multiple working modes to control the drying filter, and the drying filter has a wide application range and good user experience.
Fig. 3 is a flowchart illustrating a method of controlling a dry filter, according to another exemplary embodiment, as shown in fig. 3, the method including:
Step S21, temperature and humidity information in the drying filter body is detected;
Step S22, if the humidity value in the temperature and humidity information is larger than or equal to a preset humidity value, closing the first electromagnetic valve and the second electromagnetic valve, starting the electric heating belt, and opening the exhaust valve when the temperature value in the temperature and humidity information is larger than a first preset temperature value;
and step S23, if the humidity value in the temperature and humidity information is lower than a preset humidity value, closing the exhaust valve, closing the electric heating belt, and opening the first electromagnetic valve and the second electromagnetic valve.
It should be noted that the technical solution provided in this embodiment is applied to a dry filter of an air conditioning unit, and is preferably applied to the dry filter shown in fig. 1.
it can be understood that, the technical scheme that this embodiment provided is through detecting this internal humiture information of drier-filter, and according to humiture information, control whether drier-filter body carries out the drying to the medium that flows through to realized the automatic drying to the medium that flows through, need not professional and operate, reduced artifical reliance, saved the human cost, improved dehumidification control accuracy.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
it should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
in addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
the storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (15)
1. a filter-drier, comprising:
The filter body is dried, and the filter body is dried,
The temperature and humidity sensor is used for detecting temperature and humidity information in the drying filter body;
And the controller is used for controlling whether the drying filter body dries the medium flowing through or not according to the temperature and humidity information.
2. The filter-drier of claim 1, further comprising:
The first electromagnetic valve is arranged on the inlet pipe of the drying filter body and is connected with the controller;
And the second electromagnetic valve is arranged on the outlet pipe of the drying filter body and is connected with the controller.
3. the filter-drier of claim 1, wherein the filter-drier body comprises:
The filter comprises a shell and a filter element arranged in the shell;
An electrical heating band coupled to the controller and disposed between the housing and the filter element, and/or within the filter element.
4. The filter-drier of claim 3, further comprising:
the filter screen is covered on the end surface of the filter element and is used for filtering media impurities flowing through;
the filter element tray with the holes covers the filter screen and is used for fixing the filter screen and the filter elements.
5. The filter-drier according to claim 4,
An end cover is welded at one end of the shell, and a mating flange is welded at the other end of the shell;
The end cover is communicated with an outlet pipe of the drying filter body;
The mating flange and the maintenance flange are fixed through bolts.
6. The filter-drier according to claim 5,
The maintenance flange is provided with a fixed rod;
The filter element, the filter screen and the filter element tray are sequentially sleeved on the fixed rod, and then are locked on the fixed rod through the locking nut, and the maintenance flange and the mating flange are sealed in the shell.
7. The filter-drier according to claim 5,
the end cover is provided with an exhaust valve connected with the controller;
And the exhaust valve is used for controlling whether the water vapor in the shell flows out or not through the opening and closing of the exhaust valve.
8. The filter-drier according to claim 3,
The filter element comprises a single medium material or a mixed adsorption medium material;
The filter element adsorbs media impurities through physical adsorption or reversible chemical reaction, and can be dehydrated and reduced within a preset temperature range.
9. The filter-drier of any one of claims 1 to 8, further comprising:
The control panel is connected with the controller and used for receiving a touch dehumidification instruction of a user; and/or the presence of a gas in the gas,
and the communication module is connected with the controller and used for receiving a wireless dehumidification instruction of a user, and the wireless dehumidification instruction is sent through user terminal equipment or sent through a server.
10. An air conditioning assembly, comprising:
a filter-drier as claimed in any one of claims 1 to 9.
11. A method of controlling a filter-drier, comprising:
Detecting temperature and humidity information in the body of the drying filter;
And controlling whether the drying filter body dries the medium flowing through or not according to the temperature and humidity information.
12. the method of claim 11, wherein if the filter-drier body includes an electrically heated belt therein, the filter-drier including a first solenoid valve and a second solenoid valve, controlling whether the filter-drier body dries media passing therethrough comprises:
if the humidity value in the temperature and humidity information is larger than or equal to a preset humidity value, closing the first electromagnetic valve and the second electromagnetic valve, and starting the electric heating belt; and/or the presence of a gas in the gas,
and if the humidity value in the temperature and humidity information is lower than the preset humidity value, closing the electric heating belt, and opening the first electromagnetic valve and the second electromagnetic valve.
13. the method of claim 12, wherein if a vent valve is provided in the filter-drier body, the method further comprises:
after the electric heating belt is started, if the temperature value in the temperature and humidity information is larger than a first preset temperature value, the exhaust valve is opened until the humidity value in the temperature and humidity information is lower than a preset humidity value.
14. The method of claim 12, further comprising:
And if the temperature value in the temperature and humidity information is greater than a second preset temperature value, controlling the electric heating belt to automatically power off.
15. The method of claim 11, further comprising:
controlling whether the drying filter body dries media flowing through or not according to a dehumidification instruction of a user; the dehumidification instructions include: a touch dehumidification instruction, and/or a wireless dehumidification instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910738385.4A CN110567202A (en) | 2019-08-12 | 2019-08-12 | drying filter, air conditioning unit and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910738385.4A CN110567202A (en) | 2019-08-12 | 2019-08-12 | drying filter, air conditioning unit and control method thereof |
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| CN110567202A true CN110567202A (en) | 2019-12-13 |
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Application publication date: 20191213 |