CN108061410A - A kind of refrigerant cleaning and filtering device and air conditioner - Google Patents
A kind of refrigerant cleaning and filtering device and air conditioner Download PDFInfo
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- CN108061410A CN108061410A CN201711230007.2A CN201711230007A CN108061410A CN 108061410 A CN108061410 A CN 108061410A CN 201711230007 A CN201711230007 A CN 201711230007A CN 108061410 A CN108061410 A CN 108061410A
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- Prior art keywords
- filter
- refrigerant
- impurity
- air conditioner
- medium circulation
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Classifications
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- 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
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- 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
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
Abstract
The invention discloses a kind of refrigerant cleaning and filtering devices, belong to air-conditioning technical field.The refrigerant cleaning and filtering device：Filter, for filtering the impurity flowed through in its refrigerant；Inlet pipe, one end of inlet pipe and the inlet of filter are detachably connected；Outlet tube road, the one end on outlet tube road are removably linked with the liquid outlet of filter；First control valve, in inlet pipe, for controlling conducting or blocking inlet pipe；Second control valve, in outlet tube road, for controlling conducting or blocking outlet tube road.Refrigerant cleaning and filtering device provided by the invention, the impurity and filter moisture that can will be not only mixed into refrigerant, and by by filter and inlet tube and the separated mode of outlet tube dismounting, it is cleared up for filter institute accumulated impurities, to realize the reuse of the filter in the service life of air-conditioning long period, while also allow for carrying out repair and replacement to filter.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of refrigerant cleaning and filtering device and air conditioner.
Background technology
Current air conditioner product in use, solid particulate matter and water is often contaminated in the refrigerant of Xun Huan
Grade impurity, and the reason for causing to be mixed into impurity in refrigerant mainly has following：1st, refrigerant transfer pipeline and heat exchange manifold master
If being made of copper pipe, therefore, the processing operation such as cutting, flaring carried out in air-conditioning manufacturing process to copper pipe can generate copper
Bits；2nd, when welding copper pipe, the oxide of copper can be generated in pipeline；3rd, when copper pipe carries out assembling through walls in user family, hold
Easily the construction material chip on wall is brought into pipeline；4th, the moisture of air and dust are easily from the poorly sealed of air conditioner
Gap enters in pipeline.Above various substances belong to impurity, into refrigeration system after can generate danger to the operation of air conditioner
Evil, such as the capillary of throttling, electric expansion valve can be blocked；Alternatively, scroll plate, rotor compressor to screw compressor
Rotor causes to wear；In addition mixed moisture can also cause ice to block up, make the problems such as compressor internal metal parts corrosion.
For being mixed into the impurity and moisture of refrigeration system, current way be set on air conditioning refrigerant pipe road it is dried
Filter or strainer filter out.But the device for drying and filtering installed of existing air conditioner or strainer are all integrally fixed at air-conditioning system
Internal, and it is non-dismountable and replacement.Since the impurity being filtered off is attached to inside device for drying and filtering or on strainer, if
The impurity of attachment is more, then can generate the larger pressure loss when refrigerant flows through device for drying and filtering or strainer, make sky instead
The refrigerating capacity or heating capacity of tune decay.Therefore, the device for drying and filtering of existing fixed assembling and strainer cannot meet length
Phase filters the demand of refrigerant impurity.
The content of the invention
The present invention provides a kind of refrigerant cleaning and filtering device and air conditioners, it is intended to solve the refrigerant filtering of conventional air-conditioning device
Component can not dismount the problem of replacement.In order to the embodiment to disclosure some aspects there are one basic understanding, be given below
Simple summary.The summarized section is not extensive overview, nor to determine key/critical component or describe these realities
Apply the protection domain of example.Its sole purpose is that some concepts are presented with simple form, in this, as following detailed description
Preamble.
According to the first aspect of the invention, a kind of refrigerant cleaning and filtering device is provided, may connect to the cold of air conditioner
Matchmaker's circulation line, refrigerant cleaning and filtering device include：Filter, for filtering the impurity flowed through in its refrigerant；Inlet pipe,
One end of inlet pipe and the inlet of filter are detachably connected, and the other end can be connected with medium circulation pipeline；Go out liquid
Pipeline, the one end on outlet tube road are removably linked with the liquid outlet of filter, and the other end can be connected with medium circulation pipeline；
First control valve, in inlet pipe, for controlling conducting or blocking inlet pipe；Second control valve, arranged on outlet tube road
In, for controlling conducting or blocking outlet tube road.
In a kind of optional embodiment, filter is equipped with openable and closable access hole, with opening or enclosed filters
Inner space.
In a kind of optional embodiment, refrigerant cleaning and filtering device further includes：Pressure sensor flows into for sensing
First refrigerant pressure of refrigerant cleaning and filtering device and the second refrigerant pressure of outflow refrigerant cleaning and filtering device；Controller is used
In the refrigerant pressure difference according to the first refrigerant pressure and the second refrigerant pressure, the accumulation of impurities amount in filter is determined.
In a kind of optional embodiment, filter further includes：Impurity collection portion, for collecting the impurity filtered out；
Form, for collecting collected accumulation of impurities amount from external observation impurity.
In a kind of optional embodiment, the valve types of the first control valve and the second control valve are shut-off valve.
The second aspect according to the present invention, additionally provides a kind of air conditioner, and air conditioner includes the refrigerant circulation of conveying refrigerant
Pipeline, air conditioner further include the refrigerant cleaning filter assemblies being connected in medium circulation pipeline, and cleaning filter assemblies include：Filtering
Device, for filtering the impurity flowed through in its refrigerant, the inlet and liquid outlet of filter are removable respectively at medium circulation pipeline
It connects with unloading；First control valve, in the medium circulation pipeline of inlet one end of filter, for controlling conducting or blocking
The medium circulation pipeline of refrigerant inflow filter；Second control valve, the medium circulation pipeline arranged on liquid outlet one end of filter
On, for controlling conducting or blocking the medium circulation pipeline of refrigerant outflow filter.
In a kind of optional embodiment, filter is equipped with openable and closable access hole, with opening or enclosed filters
Inner space.
In a kind of optional embodiment, air conditioner further includes：Pressure sensor, for sensing the of inflow filter
Second refrigerant pressure of one refrigerant pressure and outflow filter；Controller, for according to the first refrigerant pressure and the second refrigerant pressure
The refrigerant pressure difference of power determines the accumulation of impurities amount in filter.
In a kind of optional embodiment, filter further includes：Impurity collection portion, for collecting the impurity filtered out；
Form, for collecting collected accumulation of impurities amount from external observation impurity.
In a kind of optional embodiment, the valve types of the first control valve and the second control valve are shut-off valve.
It is of the invention to be using advantageous effect possessed by above-mentioned technical proposal：
Refrigerant cleaning and filtering device provided by the invention, the impurity and filter moisture that can will be not only mixed into refrigerant, and
And by by filter and inlet tube and the separated mode of outlet tube dismounting, being cleared up for filter institute accumulated impurities, with
It realizes the reuse of the filter in the service life of air-conditioning long period, while also allows for carrying out replacement dimension to filter
It repaiies.
It should be appreciated that above general description and following detailed description are only exemplary and explanatory, not
It can the limitation present invention.
Description of the drawings
Attached drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the present invention
Example, and the principle for explaining the present invention together with specification.
Fig. 1 is the structure diagram according to the refrigerant cleaning and filtering device of the present invention shown by an exemplary embodiment.
Wherein, 1, filter；11st, inlet；12nd, liquid outlet；13rd, strainer；14th, access hole；15th, form；2nd, inlet tube
Road；3rd, outlet tube road；4th, the first control valve；5th, the second control valve.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Other embodiments can include structure, logic, it is electrical, process and other change.Embodiment
Only represent possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and the order operated can be with
Variation.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The scope of bright embodiment includes equivalent obtained by the gamut of claims and all of claims
Object.Herein, each embodiment individually or can be represented generally with term " invention ", and it is convenient that this is used for the purpose of,
And if in fact disclosing the invention more than one, the scope for being not meant to automatically limit the application is any single invention
Or inventive concept.Herein, relational terms such as first and second and the like be used only for by an entity or operation with
Another entity or operation distinguish, and without requiring or implying, there are any actual relations between these entities or operation
Or order.Moreover, term " comprising ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so as to
So that process, method or equipment including a series of elements not only include those elements, but also including being not explicitly listed
Other element or further include as this process, method or the intrinsic element of equipment.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in the process including the element, method or equipment
In also there are other identical elements.Each embodiment herein is described by the way of progressive, and each embodiment stresses
Be all difference from other examples, just to refer each other for identical similar portion between each embodiment.For implementing
For method, product etc. disclosed in example, due to its with embodiment disclosed in method part it is corresponding, so the comparison of description is simple
Single, reference may be made to the description of the method.
Fig. 1 is the structure diagram according to the refrigerant cleaning and filtering device of the present invention shown by an exemplary embodiment.
The present invention provides a kind of refrigerant cleaning and filtering devices, may connect to the medium circulation pipeline of air conditioner, are used for
Filtering can filtered out except the impurity such as institute mixed solid particle, moisture in the refrigerant of air-conditioner coolant circulation line conveying
Accumulation of impurities amount it is excessive when, easily carry out dismounting cleaning；Specifically, cleaning and filtering device includes filter 1, inlet pipe
2 and outlet tube road 3, wherein, filter 1 is mainly used for filtering and flows through impurity in its refrigerant, inlet pipe 2 and outlet tube road
3 medium circulation pipelines for being used to for filter 1 to be connected to air conditioner, so that the refrigerant in medium circulation pipeline is via feed liquor
Pipeline 2 is transmitted back in medium circulation pipeline into filter 1 and then from outlet tube road 3, and among these, refrigerant flows through filter
When 1, mixed impurity can be filtered by filter 1, and the refrigerant after filtering out impurity is transmitted back to refrigerant circulation pipe by filter 1 again
Lu Zhong, in this way, the circulating in medium circulation pipeline by refrigerant, filter 1 can carry out repeated multiple times mistake to refrigerant
Filter, to reduce the impurity content in refrigerant, so as to fulfill the purpose of cleaning refrigerant.
In embodiment, since the impurity filtered out is mainly stored in filter 1, refrigerant cleaning of the present invention
The medium circulation pipeline of filter device and air conditioner is connected using removably mode, is had, one end of inlet pipe 2 and mistake
The inlet 11 of filter 1 is detachably connected, such as the interface form for the easy disassembly that is spirally connected, is socketed, the other end can be followed with refrigerant
Endless tube road is connected, and one end that inlet pipe 2 is connected with medium circulation pipeline can also use above-mentioned interface form, with convenient
Inlet pipe 2 is docked with medium circulation pipeline；Similar, the one end on outlet tube road 3 is detachable with the liquid outlet 12 of filter 1
Ground connects, and the other end can be connected with medium circulation pipeline, and outlet tube road 3 and liquid outlet 12, medium circulation pipeline dock shape
Formula can refer to the docking form of above-mentioned inlet pipe 2；By above-mentioned pipeline type of attachment, the feelings of dismounting filter 1 are being needed
Under condition, such as accumulation of impurities is excessive, filter 1 blocks damage, can be respectively by the inlet 11 of filter 1 and inlet pipe 2
Separation, liquid outlet 12 and outlet tube road 3 separate, and filter 1 are individually disassembled from medium circulation pipeline, convenient for use
Cleaning, the replacement operation of family, maintenance personal to filter 1.
In embodiment, refrigerant cleaning and filtering device may be employed the mode of series connection and be connected to medium circulation pipeline, preferably
, since impurity source is mainly in medium circulation pipeline and heat exchanger, for the compression for protecting structure more accurate
Machine, refrigerant cleaning and filtering device can be serially connected in the suction line of compressor, before refrigerant flows back to compressor, will wherein mix
The impurity entered filters out, the effective guarantee service life of compressor.
Generally, the dismounting of filter 1 is carried out when air conditioner is shut down, at this point, still being remained in medium circulation pipeline
Part refrigerant, therefore, to avoid leaking from inlet pipe 2 and outlet tube road 3 after in the case where filter 1 is dismantled, of the invention is cold
Matchmaker's cleaning and filtering device further includes the first control valve 4 and the second control valve 5, wherein, the first control valve 4 is arranged in inlet pipe 2,
For controlling conducting or blocking inlet pipe 2, the second control valve 5 is arranged in outlet tube road 3, for controlling conducting or blocking out liquid
Pipeline 3.In this way, before filter 1 is dismantled, it can be first by second on the first control valve 4 and outlet tube road 3 in inlet pipe 2
Control valve 5 closes and then filter 1 is dismantled；After filter 1 cleans out, can by filter 1 into
Liquid mouth 11 and liquid outlet 12 dock again with inlet pipe 2 and outlet tube road 3, then reopen the first control valve 4 and the second control
Valve 5 processed, makes the refrigerant flow of refrigerant cleaning and filtering device become access, can continue the refrigerant to flowing through in operation of air conditioner
It is filtered cleaning.
In another embodiment, refrigerant cleaning and filtering device can also be connected and medium circulation pipeline by the way of in parallel
On, for example, the external one end of inlet pipe 2 and outlet tube road 3 can be spaced the suction line that certain length is connected in parallel on compressor
On, in this way, filter 1 can be filtered cleaning to the part refrigerant that it is shunted, since refrigerant circulates,
Filter 1 in parallel can also improve the whole cleannes of the refrigerant of air conditioner；Meanwhile the advantages of being connected in parallel, also resides in, it is right
It, can be respectively by the first control valve 4 and second when filter 1 needs dismounting in the non-stop-machine air conditioner of some continuous services
Control valve 5 is closed, and then the filter 1 disassembled is cleared up or replaced, at this point, refrigerant still can be normally along refrigerant
Circulation line flows, and refrigerant described above still can flow back to compressor along the main road of suction line；Therefore, parallel way can be real
In the case of present air-conditioning is non-stop-machine, detachable maintaining is carried out to filter device.
In an embodiment of the present invention, filter 1 further includes impurity collection portion, for collecting the impurity filtered out；Due to
Housing is generally enclosed construction, and with the growth of air-conditioning conveying refrigerant time, the impurity that impurity collection portion is collected can gradually increase
It is more, the problem of blocking filter 1 is then present with when impurity is excessive, therefore, it is necessary to when the impurity filtered out is excessive, dismantle in time
Filter 1, and impurity therein is cleared up, the accumulation of impurities amount collected by impurity collection portion, this hair are observed for convenience
Bright filter 1 is further opened with form 15, can collect collected accumulation of impurities amount from external observation impurity.
The structure of the filter 1 shown in Fig. 1 mainly includes housing, inlet 11, liquid outlet 12, strainer 13, inlet
11 are opened in the top of housing, and liquid outlet 12 is opened in the lower part of housing, and strainer 13 is in pocketed, arranged on inlet 11 and liquid outlet
Between 12, the net bottom of pocketed strainer 13 can be used for the impurity that storage filters out, and refrigerant is flowed into from inlet 11 in housing, and by going out liquid
Mouthfuls 12 flow out housings, and when refrigerant flows through the in vivo strainer 13 of shell, refrigerant can then be stopped by strainer 13, impurity by strainer 13,
And it is deposited on the net bottom of strainer 13.
Wherein, strainer 13 is to play the role of impurity collection portion, and form 15 is opened on the housing of housing, and form 15
It is the Longitudinal extending shaping along pocketed strainer 13, so that user can judge the impurity gathered in strainer 13 by form 15
Piling height when piling height is excessively high, in time clears up impurity.
In an embodiment of the present invention, filter 1 is equipped with openable and closable access hole 14, with opening or enclosed filters 1
Inner space.After filter 1 after more renew or removing impurity, the devices such as access hole 14 and vacuum pump can be connected
It is logical, the air inside filter 1 from access hole 14 is extracted out using vacuum pump, it is made to keep vacuum state, is mixed to avoid air
Enter among refrigerant.
In an embodiment of the present invention, refrigerant cleaning and filtering device further includes pressure sensor and controller, wherein,
Pressure sensor cleaned for sensing the first refrigerant pressure for flowing into refrigerant cleaning and filtering device and outflow refrigerant
Filter the second refrigerant pressure of device；
Controller is used for the refrigerant pressure difference according to the first refrigerant pressure and the second refrigerant pressure, determines miscellaneous in filter 1
Matter accumulated amount.
Controller can be electrically connected with the master control borad or display panel of air conditioner, when refrigerant pressure difference is excessive, then be judged
Accumulation of impurities amount in filter 1 is excessive, it is necessary to cleared up, therefore can generate corresponding alarm signal, and passes through air conditioner
The indicating devices such as display panel or indicator light issue the user with alarm, and user is prompted to clear up filter 1.
Optionally, filter 1 can also use the other types of refrigerant cleaning filter 1 in this field, the invention is not restricted to
This.
In embodiment, the valve types of the first control valve 4 and the second control valve 5 include but not limited to shut-off valve.
The present invention also provides a kind of air conditioner, it is arranged in the medium circulation pipeline of air conditioner disclosed in above-described embodiment
Refrigerant cleaning and filtering device.Air conditioner of the present invention can utilize refrigerant cleaning and filtering device, by the impurity being mixed into refrigerant and
Filter moisture, and by by filter and inlet tube and the separated mode of outlet tube dismounting, for filter institute accumulated impurities
It is cleared up, to realize the reuse of the filter in the service life of air-conditioning long period, while is also allowed for filter
Carry out repair and replacement.
In another embodiment, the present invention also provides another air conditioner, air conditioner includes the refrigerant of conveying refrigerant
Circulation line, air conditioner further include the refrigerant cleaning filter assemblies being connected in medium circulation pipeline, and cleaning filter assemblies include
Filter, the first control valve and the second control valve, wherein, filter flows through the impurity in its refrigerant, filter for filtering
Inlet and liquid outlet it is detachably connected respectively at medium circulation pipeline, the form that filter is docked with medium circulation pipeline
It can be used and be spirally connected, be socketed；First control valve is arranged in the medium circulation pipeline of inlet one end of filter, is led for controlling
Medium circulation pipeline that is logical or blocking refrigerant inflow filter；The refrigerant that second control valve is arranged on liquid outlet one end of filter follows
Endless tube road, for controlling conducting or blocking the medium circulation pipeline of refrigerant outflow filter.
In the present embodiment, filter is equipped with openable and closable access hole, with opening or the inner space of enclosed filters.
After filter after more renew or removing impurity, access hole can be connected with devices such as vacuum pumps, it will using vacuum pump
The air of filter interior is extracted out from access hole, it is made to keep vacuum state, is mixed into avoid air among refrigerant.
In an embodiment of the present invention, air conditioner further includes pressure sensor and controller, wherein, pressure sensor is used for
Sense the first refrigerant pressure of inflow filter and the second refrigerant pressure of outflow filter；Controller is used for according to the first refrigerant
The refrigerant pressure difference of pressure and the second refrigerant pressure determines the accumulation of impurities amount in filter.Controller can be electrically connected with display panel
It connects, when refrigerant pressure difference is excessive, then judges the accumulation of impurities amount in filter excessively, it is necessary to be cleared up, therefore phase can be generated
The alarm signal answered, and the indicating devices such as display panel or indicator light for passing through air conditioner issue the user with alarm, prompt to use
Filter is cleared up at family.
In embodiment, in an embodiment of the present invention, filter further includes impurity collection portion, for collecting what is filtered out
Impurity；Since housing is generally enclosed construction, and the impurity collected with the growth of air-conditioning conveying refrigerant time, impurity collection portion
It can gradually increase, the problem of blocking filter is then present with when impurity is excessive, therefore, it is necessary to when the impurity filtered out is excessive,
Dismounting filter in time, and impurity therein is cleared up, the accumulation of impurities collected by impurity collection portion is observed for convenience
Amount, filter of the invention are further opened with form, can collect collected accumulation of impurities amount from external observation impurity.
The structure of filter mainly includes into housing, inlet, liquid outlet, strainer, and inlet is opened in the top of housing,
Liquid outlet is opened in the lower part of housing, and strainer is in pocketed, and between inlet and liquid outlet, the net bottom of pocketed strainer can be used for
The impurity filtered out is stored, strainer is flowed into from inlet in housing, and flows out housing by liquid outlet, and the in vivo filter of shell is flowed through in refrigerant
During net, refrigerant can then be stopped by strainer, impurity by strainer, and be deposited on the net bottom of strainer.
Wherein, strainer is to play the role of impurity collection portion, and form is opened on the housing of housing, and form is along pocket
The Longitudinal extending shaping of shape strainer, so that user can judge the piling height of the impurity gathered in strainer by form,
When piling height is excessively high, impurity is cleared up in time.
Optionally, the valve types of the first control valve and the second control valve include but not limited to shut-off valve.
It should be appreciated that the invention is not limited in the flow and structure that are described above and are shown in the drawings,
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by appended claim
System.
Claims (10)
1. a kind of refrigerant cleaning and filtering device, may connect to the medium circulation pipeline of air conditioner, which is characterized in that the refrigerant is clear
Clean filter device includes：
Filter, for filtering the impurity flowed through in its refrigerant；
Inlet pipe, one end of the inlet pipe and the inlet of the filter are detachably connected, and the other end can be with institute
Medium circulation pipeline is stated to be connected；
Outlet tube road, the one end on the outlet tube road are removably linked with the liquid outlet of the filter, and the other end can be with institute
Medium circulation pipeline is stated to be connected；
First control valve, in the inlet pipe, for controlling conducting or blocking the inlet pipe；
Second control valve, in the outlet tube road, for controlling conducting or blocking the outlet tube road.
2. refrigerant cleaning and filtering device according to claim 1, which is characterized in that the filter is equipped with openable and closable
Access hole, to open or close the inner space of the filter.
3. refrigerant cleaning and filtering device according to claim 1, which is characterized in that further include：
Pressure sensor is clear for sensing the first refrigerant pressure of the inflow refrigerant cleaning and filtering device and the outflow refrigerant
Second refrigerant pressure of clean filter device；
Controller for the refrigerant pressure difference according to first refrigerant pressure and the second refrigerant pressure, is determined in the filter
Accumulation of impurities amount.
4. refrigerant cleaning and filtering device according to claim 1, which is characterized in that the filter further includes：
Impurity collection portion, for collecting the impurity filtered out；
Form, for collecting collected accumulation of impurities amount from impurity described in external observation.
5. refrigerant cleaning and filtering device according to claim 1, feature are being, first control valve and described
The valve types of two control valves are shut-off valve.
6. a kind of air conditioner, the air conditioner includes the medium circulation pipeline of conveying refrigerant, which is characterized in that the air conditioner is also
Refrigerant including being connected in the medium circulation pipeline cleans filter assemblies, and the cleaning filter assemblies include：
Filter, for filtering the impurity flowed through in its refrigerant, the inlet and liquid outlet of the filter are respectively at described
Medium circulation pipeline is detachably connected；
First control valve in the medium circulation pipeline of described inlet one end of the filter, is led for controlling
The medium circulation pipeline that is logical or blocking the refrigerant inflow filter；
Second control valve in the medium circulation pipeline of described liquid outlet one end of the filter, is led for controlling
The medium circulation pipeline that is logical or blocking the refrigerant outflow filter.
7. air conditioner according to claim 6, which is characterized in that the filter is equipped with openable and closable access hole, with
Open or close the inner space of the filter.
8. air conditioner according to claim 6, which is characterized in that further include：
Pressure sensor, for sensing the first refrigerant pressure for flowing into the filter and the second refrigerant for flowing out the filter
Pressure；
Controller for the refrigerant pressure difference according to first refrigerant pressure and the second refrigerant pressure, is determined in the filter
Accumulation of impurities amount.
9. air conditioner according to claim 6, which is characterized in that the filter further includes：
Impurity collection portion, for collecting the impurity filtered out；
Form, for collecting collected accumulation of impurities amount from impurity described in external observation.
10. air conditioner according to claim 6, feature is being, first control valve and second control valve
Valve types be shut-off valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711230007.2A CN108061410A (en) | 2017-11-29 | 2017-11-29 | A kind of refrigerant cleaning and filtering device and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711230007.2A CN108061410A (en) | 2017-11-29 | 2017-11-29 | A kind of refrigerant cleaning and filtering device and air conditioner |
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Cited By (6)
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| CN109869952A (en) * | 2018-12-24 | 2019-06-11 | 珠海格力电器股份有限公司 | A kind of air-conditioning system and its blowdown control method |
| CN110195909A (en) * | 2019-05-02 | 2019-09-03 | 浙江维大师网络科技有限公司 | A kind of fault early warning system based on big data analysis |
| CN111721040A (en) * | 2020-06-23 | 2020-09-29 | 郭雪虎 | Method for overhauling and cleaning blockage of expansion valve of heat pump unit |
| US11686515B2 (en) | 2018-12-03 | 2023-06-27 | Carrier Corporation | Membrane purge system |
| US11911724B2 (en) | 2018-12-03 | 2024-02-27 | Carrier Corporation | Enhanced refrigeration purge system |
| US11913693B2 (en) | 2018-12-03 | 2024-02-27 | Carrier Corporation | Enhanced refrigeration purge system |
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| US11686515B2 (en) | 2018-12-03 | 2023-06-27 | Carrier Corporation | Membrane purge system |
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| CN111721040A (en) * | 2020-06-23 | 2020-09-29 | 郭雪虎 | Method for overhauling and cleaning blockage of expansion valve of heat pump unit |
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Application publication date: 20180522 |