CN107869863B - Spiral filter and air conditioner - Google Patents
Spiral filter and air conditioner Download PDFInfo
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- CN107869863B CN107869863B CN201711129530.6A CN201711129530A CN107869863B CN 107869863 B CN107869863 B CN 107869863B CN 201711129530 A CN201711129530 A CN 201711129530A CN 107869863 B CN107869863 B CN 107869863B
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- spiral
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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
Abstract
The invention provides a spiral filter and an air conditioner. Wherein, spiral filter includes: the main flow channel comprises an inflow port, an outflow port and a spiral flow channel section connected between the inflow port and the outflow port, and the spiral flow channel section is formed by spirally winding a pipe; the impurity cavity is connected to the pipe wall of the spiral flow channel section, communicated with the main flow channel and used for collecting impurities thrown out of the main flow channel under the action of centrifugal force. According to the spiral filter provided by the invention, when the air-conditioning system operates, the refrigerant enters the spiral filter from the inflow port and then passes through the spiral flow passage section, impurities are thrown into the impurity cavity little by little due to the action of centrifugal force, and the impurities can be slowly collected without continuously flowing in the air-conditioning system along with the refrigerant because the refrigerant in the impurity cavity does not flow, so that the cleanliness of the refrigerant is ensured for a long time.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a spiral filter and an air conditioner.
Background
The filter of the filter device used by the existing air conditioning system pipeline is usually a copper pipe with the length of about 100 mm, two ends of the copper pipe are reduced, then a filter screen is placed in a pipe cavity, or a straight copper pipe is used, and a tuck-shaped filter screen is placed in the copper pipe cavity. The filter screen is provided with holes with a certain size, and the holes with a certain quantity are distributed on a unit area. The filter is arranged at the outlet of the heat exchanger in the air conditioning system, and when the air conditioning system runs, the refrigerant firstly passes through the filter and then enters the throttling device, so that impurities are prevented from entering the throttling device. However, if the system has more impurities, more impurities are accumulated on the filter screen during the operation of the system, and although the filter screen is not blocked, the flow of the refrigerant of the system is affected, so that the operation of the air conditioning system is affected.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
To this end, it is an object of one aspect of the invention to provide a spiral filter.
It is another object of the present invention to provide an air conditioner including the spiral filter.
In order to achieve the above object, an aspect of the present invention provides a spiral filter, including: the spiral flow channel section is formed by spirally winding a pipe; and the impurity cavity is connected to the pipe wall of the spiral flow channel section, communicated with the main flow channel and used for collecting impurities thrown out of the main flow channel under the action of centrifugal force.
The spiral filter provided by the technical scheme of the invention comprises a main flow channel and an impurity cavity, wherein the main flow channel comprises a spiral flow channel section connected between an inflow port and an outflow port, the impurity cavity is connected on the pipe wall of the spiral flow channel section and is communicated with the main flow channel, when the air conditioning system operates, refrigerant enters the spiral filter from the inflow port and then passes through the spiral flow channel section, impurities are thrown into the impurity cavity little by little under the action of centrifugal force, and because the refrigerant in the impurity cavity does not flow, the impurities can be slowly collected and do not continuously flow in the air conditioning system along with the refrigerant, so that the cleanliness of the refrigerant is ensured for a long time.
In addition, the spiral filter provided by the technical scheme of the invention can also have the following additional technical characteristics:
in the above technical solution, the impurity chamber is connected to the middle of the pipe along the length direction, which is constructed into the spiral flow passage section; or a pipe constructed into the spiral flow passage section is wound into a cylindrical shape along a spiral shaft, and the impurity cavity is connected to the middle part of the spiral flow passage section along the direction of the spiral axis.
The impurity cavity is connected to the middle of the pipe which is constructed into the spiral flow passage section along the length direction, or the impurity cavity is connected to the middle of the spiral flow passage section along the spiral axis direction, namely the impurity cavity is connected to the half of the flowing stroke of the refrigerant in the spiral flow passage section.
In the technical scheme, the impurity cavity is formed by processing a pipe, one end of the pipe which is constructed into the impurity cavity is connected to the pipe wall of the spiral flow passage section and communicated with the main flow passage, and the other end of the pipe is sealed.
The impurity cavity is formed by processing a pipe, one end of the pipe which is constructed into the impurity cavity is connected with the pipe wall of the spiral flow passage section, and the other end of the pipe is sealed, so that the refrigerant entering the impurity cavity can be ensured not to flow, and the impurities in the refrigerant are slowly collected into the impurity cavity; and such design for the processing of impurity chamber is convenient, and is with low costs.
In the above technical scheme, a through hole for installing the impurity cavity is formed in the pipe wall of the spiral flow passage section, and the one end of the pipe constituting the impurity cavity is welded at the through hole.
A through hole is cut on the pipe wall of the spiral flow channel section, preferably, the through hole is cut in the middle of the spiral flow channel section along the length direction, then an impurity cavity with one end sealed is welded, preferably, the main flow channel and the impurity cavity are connected together through welding, the impurity cavity is fixedly connected with the spiral flow channel section, the sealing performance of the connection of the impurity cavity and the spiral flow channel section is ensured, the structure is simple, and the processing is convenient.
In the above technical solution, the one end of the pipe constituting the impurity chamber is connected to a bottom pipe wall of the spiral flow path section, and the other end of the pipe constituting the impurity chamber has a height lower than that of the one end thereof.
It should be noted that, in the case that the spiral filter is installed in the air conditioning system, the bottom tube wall of the spiral flow channel section is configured such that one end of the tube constituting the impurity chamber is connected to the bottom tube wall of the spiral flow channel section, and the height of the sealed end of the tube is lower than that of the connected end of the tube.
Preferably, the pipe which is constructed into the impurity cavity is a straight pipe, the impurity cavity is vertically arranged in the air conditioning system, and the sealing end of the impurity cavity faces downwards; of course, the straight pipe which is constructed into the impurity cavity can be inclined at a certain angle relative to the vertical direction, and the sealing end of the impurity cavity is ensured to be lower than the connecting end of the impurity cavity; the tube configured as the impurity chamber may also be an elbow, and preferably the sealed end of the impurity chamber is lower than the connected end thereof. Of course, the specific formation manner of the impurity chamber is not limited to the above specific definition, and should be within the protection scope of the present invention as long as the design concept of the present invention is not deviated.
In any one of the above technical solutions, the main flow passage further includes: the spiral flow channel comprises a first straight flow channel section and a second straight flow channel section which are connected to two ends of the spiral flow channel section, the inflow port is formed in the first straight flow channel section, and the outflow port is formed in the second straight flow channel section.
The design of the first direct flow channel section and the second direct flow channel section can enable the spiral filter and the air conditioning system pipeline to be more convenient to connect.
In the above technical solution, the first straight flow channel section and the second straight flow channel section are both formed by processing a straight pipe, and the first straight flow channel section and the second straight flow channel section are located on the same side of the spiral axis of the spiral flow channel section and extend in opposite directions; the impurity cavity is formed by processing a straight pipe, and the axis of the straight pipe which is constructed into the impurity cavity is parallel to the axis of the straight pipe which is constructed into the first straight flow passage section and the axis of the straight pipe which is constructed into the second straight flow passage section.
The first straight flow channel section and the second straight flow channel section are arranged on the same side of the spiral axis of the spiral flow channel section and extend in opposite directions, so that the first straight flow channel section and the second straight flow channel section are not interfered with a connecting pipe of an air conditioning system pipeline, and the connecting pipe is more convenient; the design that the axis of the straight pipe which is constructed into the impurity cavity is arranged to be parallel to the axis of the straight pipe which is constructed into the first straight flow passage section and the axis of the straight pipe which is constructed into the second straight flow passage section is convenient for ensuring that the impurity cavity is connected to the bottom side wall of the spiral flow passage section when the spiral filter is connected to the pipeline of the air conditioning system. Of course, the specific arrangement positions of the first straight flow passage section, the second straight flow passage section and the impurity chamber are not limited to the above specific limitations.
In the above technical solution, the first straight flow passage section, the second straight flow passage section and the spiral flow passage section are of an integrated structure processed by the same copper pipe.
The first straight flow channel section, the second straight flow channel section and the spiral flow channel section are formed by processing the same copper pipe, so that the spiral filter is convenient to process, and the structural strength of the spiral filter is ensured.
In any one of the above technical solutions, the main flow passage and the impurity chamber are formed by processing a copper pipe with a diameter greater than 8 mm.
The main runner and the impurity cavity are formed by processing copper pipes with the diameters larger than 8mm, so that the flowing speed of the refrigerant in the main runner is ensured, and impurities in the refrigerant can be smoothly thrown into the impurity cavity.
The technical solution of another aspect of the present invention provides an air conditioner, including: a heat exchanger and a throttling device; and the spiral filter according to any one of the above technical schemes, wherein the spiral filter is arranged on a pipeline between the heat exchanger and the throttling device.
The air conditioner provided by the technical scheme of the invention has the beneficial effects of the spiral filter in any technical scheme because the air conditioner comprises the spiral filter in any technical scheme.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of a spiral filter according to an embodiment of the present invention;
FIG. 2 is a schematic view of the spiral filter of FIG. 1 from another perspective.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
1, 11, a first straight flow channel section, 111 inflow ports, 12, a second straight flow channel section, 121 outflow ports, 13 spiral flow channel sections, 131 through holes, 2 impurity cavities and 21 seals;
the horizontal arrows in fig. 1 and the inward arrows in fig. 2 indicate the direction of the screw axis.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
A spiral filter and an air conditioner according to some embodiments of the present invention will be described with reference to fig. 1 and 2.
As shown in fig. 1 and 2, a spiral filter according to some embodiments of the present invention includes: a main channel 1 and a foreign substance chamber 22.
Specifically, the main flow channel 1 includes an inflow port 111, an outflow port 121, and a spiral flow channel section 13 connected between the inflow port 111 and the outflow port 121, the spiral flow channel section 13 being formed by spirally winding a tube; the impurity chamber 22 is connected to the wall of the spiral channel section 13 and is connected to the main channel 1 for collecting impurities thrown out of the main channel 1 under the action of centrifugal force.
The spiral filter provided by the embodiment of the invention comprises a main flow channel 1 and an impurity cavity 22, wherein the main flow channel 1 comprises a spiral flow channel section 13 connected between an inflow port 111 and an outflow port 121, the impurity cavity 22 is connected to the pipe wall of the spiral flow channel section 13 and is communicated with the main flow channel 1, when the air conditioning system operates, refrigerant enters the spiral filter from the inflow port 111 and then passes through the spiral flow channel section 13, impurities are gradually thrown into the impurity cavity 22 due to the action of centrifugal force, and the impurities are slowly collected without flowing along with the refrigerant in the impurity cavity 22, so that the cleanliness of the refrigerant is ensured for a long time.
In some embodiments of the present invention, the impurity chamber 22 is connected to the middle of the pipe configured as the spiral flow path section 13 in the length direction; or a pipe constructed as the spiral flow path section 13 is wound in a cylindrical shape along the spiral axis, and the impurity chamber 22 is connected to the middle of the spiral flow path section 13 in the direction of the spiral axis.
The impurity cavity 22 is connected to the middle of the pipe in the length direction of the spiral flow passage section 13, or the impurity cavity 22 is connected to the middle of the spiral flow passage section 13 in the spiral axis direction, namely the impurity cavity 22 is connected to the half of the flowing stroke of the refrigerant in the spiral flow passage section 13, so that the design can ensure that the impurities in the refrigerant can be well thrown into the impurity cavity 22 no matter the refrigerant flows in the direction from the inflow port 111 to the outflow port 121 or flows in the direction from the outflow port 121 to the inflow port 111, and the filtering effect of the spiral filter is effectively ensured.
In one embodiment of the present invention, as shown in fig. 1 and 2, the impurity chamber 22 is formed by processing a pipe, one end of the pipe configured as the impurity chamber 22 is connected to the wall of the spiral flow path section 13 and communicated with the main flow path 1, and the other end is sealed 21.
The impurity cavity 22 is formed by processing a pipe, one end of the pipe which is constructed into the impurity cavity 22 is connected with the pipe wall of the spiral flow passage section 13, and the other end of the pipe is sealed 21, so that the refrigerant entering the impurity cavity 22 can be ensured not to flow, and the impurities in the refrigerant can be slowly collected in the impurity cavity 22; and the design ensures that the impurity cavity 22 is convenient to process and low in cost.
Further, as shown in fig. 1 and 2, a through hole 131 for installing the impurity chamber 22 is opened on a pipe wall of the spiral flow path section 13, and one end of the pipe configured as the impurity chamber 22 is welded at the through hole 131.
A through hole 131 is cut in the pipe wall of the spiral flow passage section 13, preferably, a through hole 131 is cut in the middle of the spiral flow passage section 13 along the length direction, then the impurity cavity 22 with one end sealed 21 is welded, preferably, the main flow passage 1 and the impurity cavity 22 are connected together through welding, the impurity cavity 22 is fixedly connected with the spiral flow passage section 13, and the sealing performance of the connection between the impurity cavity 22 and the spiral flow passage section 13 is ensured, the structure is simple, and the processing is convenient.
In one embodiment of the present invention, as shown in fig. 1 and 2, one end of the pipe configured as the impurity chamber 22 is connected to the bottom wall of the spiral flow path section 13, and the other end of the pipe configured as the impurity chamber 22 has a height lower than that of one end thereof; preferably, the pipe configured as the impurity chamber 22 is a straight pipe, the impurity chamber 22 is vertically disposed in the air conditioning system, and the end of the closure 21 of the impurity chamber 22 faces downward.
It should be noted that, for the case that the spiral filter is installed in the air conditioning system, the bottom tube wall of the spiral flow channel section 13 is designed such that one end of the tube constituting the impurity chamber 22 is connected to the bottom tube wall of the spiral flow channel section 13, and the height of the end of the seal 21 is lower than the height of the connecting end thereof, so as to ensure that the impurities in the refrigerant are thrown into the impurity chamber 22 under the centrifugal force, and then collected in the impurity chamber 22 under the gravity, and do not flow back into the main flow channel 1 from the connecting end of the impurity chamber 22 and the main flow channel 1 again.
Of course, the straight tube configured as the impurity chamber 22 may be inclined at an angle to the vertical and ensure that the end of the seal 21 of the impurity chamber 22 is lower than its connection end; the tube configured as the impurity chamber 22 may also be a bent tube, and preferably, the end of the closure 21 of the impurity chamber 22 is lower than the connecting end thereof. Of course, the specific formation manner of the impurity chamber 22 is not limited to the above specific definition, and should be within the protection scope of the present invention as long as the design concept of the present invention is not departed.
In some embodiments of the present invention, as shown in fig. 1 and 2, the primary flow channel 1 further comprises: and a first flow path segment 11 and a second straight flow path segment 12 connected to both ends of the spiral flow path segment 13, wherein an inflow port 111 is formed at the first flow path segment 11, and an outflow port 121 is formed at the second straight flow path segment 12.
The design of the first flow channel section 11 and the second direct flow channel section 12 can make the connection of the spiral filter and the air conditioning system pipeline more convenient.
In an embodiment of the present invention, as shown in fig. 1 and fig. 2, the first flow channel segment 11 and the second straight flow channel segment 12 are both processed from straight pipes, and the first flow channel segment 11 and the second straight flow channel segment 12 are located on the same side of the spiral axis of the spiral flow channel segment 13 and extend in opposite directions; the impurity chamber 22 is machined from a straight pipe, and the axis of the straight pipe configured as the impurity chamber 22 is parallel to the axis of the straight pipe configured as the first flow path section 11 and the straight pipe configured as the second flow path section 12.
The first flow channel section 11 and the second straight flow channel section 12 are arranged on the same side of the spiral axis of the spiral flow channel section 13 and extend in opposite directions, so that the first flow channel section 11 and the second straight flow channel section 12 can not interfere with the connecting pipe of the air conditioning system pipeline, and the connecting pipe is more convenient; the arrangement of the straight pipe constituting the impurity chamber 22 with its axis parallel to the straight pipe constituting the first flow path section 11 and the straight pipe constituting the second flow path section 12 facilitates the attachment of the impurity chamber 22 at the bottom side wall of the spiral flow path section 13 when the spiral filter is attached to the air conditioning system pipeline. Of course, the specific arrangement positions of the first flow path segment 11, the second straight flow path segment 12 and the impurity chamber 22 are not limited to the above specific limitations.
Preferably, as shown in fig. 1 and 2, the first flow passage section 11, the second straight flow passage section 12 and the spiral flow passage section 13 are an integrated structure processed by the same copper pipe, which not only facilitates the processing of the spiral filter, but also ensures the structural strength of the spiral filter.
Preferably, the main flow passage 1 and the impurity chamber 22 are both formed by processing a copper pipe with a pipe diameter larger than 8mm, so as to ensure the flowing speed of the refrigerant in the main flow passage 1 and ensure that impurities in the refrigerant can be smoothly thrown into the impurity chamber 22.
In one embodiment, as shown in fig. 1 and 2, a spiral filter comprises: the main flow channel 1 and the impurity cavity 2 are formed by processing copper pipes with certain specifications, the diameter of the main flow channel 1 is larger than phi 8mm, the main flow channel 1 and the impurity cavity 2 are connected together through welding, the main flow channel 1 is integrally of a spiral line structure and is provided with a straight-section inflow port and a straight-section outflow port, a hole is cut in the middle of the spiral line, then the impurity cavity 2 with one end sealed is welded, specifically, one end of the impurity cavity 2 is welded on the main flow channel 1 and communicated with the main flow channel 1, and the other end is sealed; when the device is welded and installed with an air conditioning system, the sealing of the impurity cavity 2 is ensured to face downwards.
An embodiment of another aspect of the present invention provides an air conditioner (not shown in the drawings), including: a heat exchanger, a throttling device and a spiral filter as in any of the above embodiments, the spiral filter being arranged in the pipeline between the heat exchanger and the throttling device.
The air conditioner provided by the above embodiment of the present invention has the beneficial effects of the spiral filter of any of the above embodiments because the air conditioner includes the spiral filter of any of the above embodiments.
Specifically, the spiral filter is arranged on a pipeline between the heat exchanger and the throttling device, and the spiral filter can filter the refrigerant in the pipeline of the air conditioning system so as to prevent impurities in the refrigerant from entering the throttling device or the heat exchanger. The spiral filter is arranged between the outdoor heat exchanger and the throttling device for example, when the air conditioner operates in a refrigerating mode, the refrigerant flowing out of the outlet of the outdoor heat exchanger firstly enters the throttling device after being filtered by the spiral filter, so that the problems that the throttling device is blocked and the like due to the fact that impurities enter the throttling device are solved, the flowing speed of the refrigerant in the spiral filter can be effectively guaranteed through the spiral filter, and the normal operation of the air conditioning system is guaranteed.
Of course, the spiral filter can be disposed at other positions of the air conditioning system pipeline, and the spiral filter is also suitable for other cooling or heating equipment such as a refrigerator, and the like, without departing from the design concept of the present invention, and the present invention is within the protection scope of the present invention.
In summary, the spiral filter provided by the embodiment of the invention comprises the main flow channel and the impurity chamber, the main flow channel comprises the spiral flow channel section connected between the inflow port and the outflow port, the impurity chamber is connected on the pipe wall of the spiral flow channel section and is communicated with the main flow channel, when the air conditioning system operates, the refrigerant enters the spiral filter from the inflow port and then passes through the spiral flow channel section, the impurities are thrown into the impurity chamber little by little due to the action of centrifugal force, and because the refrigerant in the impurity chamber does not flow, the impurities can be slowly collected without ceaselessly flowing in the air conditioning system along with the refrigerant, so that the cleanliness of the refrigerant is ensured for a long time.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly, e.g., "connected" may be a fixed connection, a detachable connection, an integral connection, or an electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means 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.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A spiral filter, comprising:
the spiral flow channel section is formed by spirally winding a pipe; and
the impurity cavity is connected to the pipe wall of the spiral flow channel section, communicated with the main flow channel and used for collecting impurities thrown out of the main flow channel under the action of centrifugal force;
the main runner still includes: the spiral flow channel comprises a spiral flow channel section, a first straight flow channel section and a second straight flow channel section, wherein the spiral flow channel section is connected with the spiral flow channel section;
the first straight flow channel section and the second straight flow channel section are both formed by processing straight pipes, and the first straight flow channel section and the second straight flow channel section are positioned on the same side of the spiral axis of the spiral flow channel section and extend in opposite directions;
the impurity cavity is formed by processing a straight pipe, and the axis of the straight pipe which is constructed into the impurity cavity is parallel to the axis of the straight pipe which is constructed into the first straight flow passage section and the axis of the straight pipe which is constructed into the second straight flow passage section;
the first straight runner section, the second straight runner section and the spiral runner section are of an integrated structure formed by processing the same copper pipe.
2. The spiral filter of claim 1,
the impurity chamber is connected to the middle of a pipe which is constructed into the spiral flow passage section along the length direction; or
The pipe constructed into the spiral flow passage section is wound into a cylindrical shape along a spiral shaft, and the impurity cavity is connected to the middle part of the spiral flow passage section along the direction of the spiral axis.
3. The spiral filter of claim 1,
the impurity cavity is formed by processing a pipe, one end of the pipe which is constructed into the impurity cavity is connected to the pipe wall of the spiral flow passage section and communicated with the main flow passage, and the other end of the pipe is sealed.
4. The spiral filter according to claim 3,
and a through hole for installing the impurity cavity is formed in the pipe wall of the spiral flow passage section, and one end of the pipe constituting the impurity cavity is welded at the through hole.
5. The spiral filter according to claim 3,
the one end of the pipe configured as the impurity chamber is connected to the bottom pipe wall of the spiral flow passage section, and the other end of the pipe configured as the impurity chamber has a height lower than that of the one end thereof.
6. A spiral filter according to any of claims 1 to 5,
the main runner and the impurity cavity are both formed by processing copper pipes with diameters larger than 8 mm.
7. An air conditioner, comprising:
a heat exchanger and a throttling device; and
the spiral filter according to any of claims 1 to 6 provided on a conduit between the heat exchanger and the throttling means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711129530.6A CN107869863B (en) | 2017-11-15 | 2017-11-15 | Spiral filter and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711129530.6A CN107869863B (en) | 2017-11-15 | 2017-11-15 | Spiral filter and air conditioner |
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| Publication Number | Publication Date |
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| CN107869863A CN107869863A (en) | 2018-04-03 |
| CN107869863B true CN107869863B (en) | 2020-04-24 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2208688Y (en) * | 1994-05-27 | 1995-09-27 | 金远东冷冻空调有限公司 | Refrigerant recovery machine |
| TW318144B (en) * | 1995-11-20 | 1997-10-21 | North Star Technologies Ltd | |
| JPH09222083A (en) * | 1996-02-16 | 1997-08-26 | Matsushita Electric Ind Co Ltd | Refrigerating cycle and compressor |
| KR100466434B1 (en) * | 2002-05-17 | 2005-01-13 | 김서영 | Cold and hot air conditioner with a water purifier and a humidifier |
| JP2008151434A (en) * | 2006-12-19 | 2008-07-03 | Toyota Industries Corp | Cooling device |
| KR101336717B1 (en) * | 2007-10-31 | 2013-12-03 | 엘지전자 주식회사 | Air conditioner |
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