CN107543342B - Can collect two-way drier-filter and heat pump system of impurity - Google Patents
Can collect two-way drier-filter and heat pump system of impurity Download PDFInfo
- Publication number
- CN107543342B CN107543342B CN201610497021.8A CN201610497021A CN107543342B CN 107543342 B CN107543342 B CN 107543342B CN 201610497021 A CN201610497021 A CN 201610497021A CN 107543342 B CN107543342 B CN 107543342B
- Authority
- CN
- China
- Prior art keywords
- filter
- filter screen
- opening
- chamber
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a bidirectional drying filter capable of collecting impurities and a heat pump system, wherein the filter comprises a shell, wherein a first opening and a second opening are respectively arranged at two opposite ends of the shell; a first filter screen and a second filter screen are arranged in the shell, and the first filter screen and the second filter screen divide the interior of the shell into three independent chambers which are sequentially arranged from a first opening of the shell to a second opening; and the first filter screen and the second filter screen are respectively provided with a channel for communicating the chambers at the two sides, and the channels are respectively provided with a control valve for controlling the on-off. Through the arrangement, the medium can respectively flow into the filter from the two ends of the filter, and is sequentially dried and filtered, so that the aim of filtering the medium with mutually switched flow directions is fulfilled; meanwhile, in the process that the filter filters the medium flowing through, the opening and closing states of the channels on the first filter screen and the second filter screen are correspondingly switched along with the flowing direction of the medium, so that the filtered impurities are retained between the two filter screens.
Description
Technical Field
The invention relates to a bidirectional drying filter capable of collecting impurities, and also relates to a heat pump system provided with the bidirectional drying filter; in particular to a heat pump water heater applying the heat pump system provided with the bidirectional drying filter.
Background
The filter is an indispensable device on a medium conveying pipeline and is usually arranged at the inlet end of a pressure reducing valve, a pressure relief valve, a constant water level valve and other equipment. The filter is a filter cylinder with a certain specification of filter screen arranged inside, so that impurities contained in the medium flowing into the filter cylinder are blocked by the filter screen, and the aim of filtering the medium flowing through the filter cylinder is fulfilled.
The conventional filter is mainly a one-way Y-shaped filter, and a filter screen needs to be cleaned under the conditions of more filter residues and continuous filtration of clean fluid; however, in some closed circulation systems, such as refrigerant flow paths of heat pump systems in air conditioning equipment and water heater equipment, the filter does not need to be disassembled for cleaning because filter residues are less and the quantity is fixed. However, the whole heat pump system needs to switch between the cooling and heating modes, and the flow direction of the refrigerant medium needs to be changed frequently. In the production and maintenance process of products, water vapor in the air can be brought into a refrigerant, ice crystals are formed in pipelines along with the flowing of the refrigerant, and the use performance of the whole machine is influenced, so that the existing detachable cleaning and one-way filter is not suitable for the situation, and the problem of drying and filtering the refrigerant medium in a heat pump system cannot be solved.
In addition, the existing filter capable of bidirectional filtering is generally provided with at least 4 one-way valves, and cannot be applied to a refrigerant system due to the complex structure and the non-economic requirement. Meanwhile, the two-way filter in the prior art can not control and collect filter residues while realizing two-way filtering, so that the filter residues circularly float at two ends of the filter to interfere other parts of the system.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a bidirectional impurity collecting and drying filter, which aims to realize the purposes of drying and/or filtering flowing media in two different directions; another object is to collect impurities contained in a flow-through medium; the heat pump system is provided with the bidirectional impurity collecting and drying filter, so that the aim of filtering and/or dehumidifying the medium in the heat pump system is fulfilled.
In order to realize the purpose of the invention, the following technical scheme is adopted:
a two-way drying filter capable of collecting impurities comprises a shell 1, wherein a first opening 11 and a second opening 12 are respectively arranged at two opposite ends of the shell 1; a first filter screen 2 and a second filter screen 3 are arranged in the shell 1, and the first filter screen 2 and the second filter screen 3 divide the interior of the shell into three independent chambers which are sequentially arranged from a first opening 11 of the shell to a second opening 12 of the shell; and the first filter screen 2 and the second filter screen 3 are respectively provided with a channel for communicating the chambers at two sides, and the channels are respectively provided with a control valve for controlling on-off.
Further, the first screen 2 divides the first chamber 13 from the second chamber 14, and the second screen 3 divides the second chamber 14 from the third chamber 15; the first chamber 13 communicates with the outside through the first opening 11, and the third chamber 15 communicates with the outside through the second opening 12.
Further, a first channel 4 for directly communicating the chambers at the two sides is arranged in the center of the first filter screen 2, and an openable first one-way valve 6 is arranged at the first channel 4, so that the medium in the first chamber 13 flows to the second chamber 14 through the first channel 4, or the medium in the second chamber 14 flows to the first chamber 13 through the first filter screen 2;
the center of second filter screen 3 is equipped with the second passageway 5 with the direct intercommunication of both sides cavity, second passageway 5 department be equipped with open and close second check valve 7, make medium flow to second cavity 14 through second passageway 5 in the third cavity 15, or medium flow to third cavity 15 through second filter screen 3 in the second cavity 14.
Further, the first filter screen 2 and the second filter screen 3 are respectively conical filter screens 20; the big opening end of the conical filter screen 20 and the corresponding end of the shell 1 are sealed and fixed through an upper supporting ring 21; the small opening end of the conical filter screen 20 is hermetically connected with a flange plate 62 through a lower support ring 23, a channel corresponding to the filter screen is formed in the hollow part of the flange plate 62, and a valve core 61 corresponding to the control through hole for disconnection or unidirectional opening is installed at the flange plate 62.
Further, the small opening end and the large opening end of the conical filter screen 20 are both arranged close to the center of gravity of the shell 1.
Further, a plurality of support bars 22 are arranged along the radial direction of the conical filter screen 20, two ends of each support bar 22 are respectively and fixedly connected with the upper support ring 21 and the lower support ring 23, and each support bar 22 is fixedly contacted with one side of the conical filter screen 20 close to the second chamber 14.
Further, the flange 62 includes a ring-shaped fixing portion 621 disposed at the periphery and mounted on the lower support ring 23, and a sleeve-shaped mounting portion 622 disposed at the center; the center of the sleeve-like mounting portion 622 forms a mounting hole 625; the fixing part 621 and the mounting part 622 are spaced from each other, and the fixing part 621 and the mounting part 622 are fixed by at least one connecting rib 623; gaps between the connecting ribs 623 form channels 624 corresponding to the filter screens;
the filter element 61 comprises an installation column 612 penetrating through the installation hole 625, two ends of the installation column 612 are respectively provided with a horizontally extending limiting protrusion 613 and a valve plate 611, the valve plate 611 and the limiting protrusion 613 are respectively arranged on two sides of the flange, and the valve plate 611 is arranged in the second chamber 14; the valve sheet 611 covers at least the inner periphery of the flange fixing portion 621; the limiting protrusion 613 at least partially protrudes from the inner periphery of the flange mounting portion 622, and the distance between the limiting protrusion 613 and the valve plate 611 is larger than the height of the mounting portion 622, so that the valve core moves up and down under the action of water flow, and the on-off of the one-way water flow at the opening is controlled.
Further, the housing 1 includes a cylindrical side wall 10, a first end and a second end of which are respectively tapered side plates 16 gradually inclined from the center to the outer periphery; the large opening ends of the two conical side plates 16 are respectively connected with the corresponding ends of the cylindrical side wall 10 in a sealing way.
Further, the large opening end of the tapered side plate 16 is arranged close to the center of gravity of the shell 1; the small end of the conical side plate 16 is provided with a corresponding first opening 11 or second opening 12;
preferably, the first opening 11, the second opening 12, the first passage 4, and the second passage 5 are all disposed coaxially with the cylindrical sidewall 10.
Furthermore, the middle part of the second chamber 14 is provided with a drying filter element 8 which horizontally covers the cross section; the drying filter element 8 comprises two horizontal supporting nets 82 which are arranged at intervals, and a filter element body 81 formed by a drying agent is clamped between the two supporting nets 82; the periphery of the supporting net 82 is fixedly connected with the inner wall of the shell 1 in an attaching way.
By adopting the technical scheme, the working states of the bidirectional drying filter comprise the following two working states:
the working state I is as follows: the medium containing impurities flows into the first opening, and the filtered and dried medium flows out of the second opening; at the moment, the control valve at the first passage is opened, the control valve at the second passage is closed, so that the medium containing impurities flows into the first chamber from the first opening, is sequentially filtered by the first filter screen and the second filter screen, can be dried by the drying filter element, and finally flows out from the second opening; meanwhile, impurities such as filter residues filtered by the first filter screen flow along with the medium until the impurities pass through the opened first channel and are collected into the second chamber; and the impurities such as filter residue filtered by the second filter screen are intercepted in the second chamber by the closed second channel.
And a second working state: the medium containing impurities flows into the second opening, and the filtered and dried medium flows out of the first opening; at the moment, the control valve at the second passage is opened, the control valve at the first passage is closed, the medium containing impurities flows into the third chamber from the second opening, and is filtered by the second filter screen and the first filter screen in sequence, and can be dried by the drying filter element, so that the filtered and/or dried medium finally flows out through the first opening; meanwhile, impurities such as filter residues filtered by the first filter screen are retained in the second chamber by the closed first channel; and impurities such as filter residue filtered by the second filter screen flow along with the medium until the impurities pass through the opened second channel and are collected into the second chamber.
The invention also provides a heat pump system, which is provided with the bidirectional drying filter to filter and/or dry the cold medium flowing in the heat pump system.
Furthermore, the heat pump system comprises an evaporator, a compression pump, a condenser and a throttling device which are sequentially connected end to end through pipelines so as to form a circulating flow channel for the flow of a refrigerant medium. The circulation flow path is provided with the bidirectional drying filter to filter and/or dry the refrigerant medium capable of flowing bidirectionally, so as to remove impurities contained in the refrigerant medium and dry the refrigerant medium.
Further, the heat pump system can be installed on a heat pump water heater so as to heat the stored water in the heat pump water heater by utilizing the heat pump system; the heat pump system can also be arranged on an air conditioner so as to cool or heat the environment where the indoor unit of the air conditioner is arranged by utilizing the heat pump system.
Through the arrangement, the medium can respectively flow into the filter from the two ends of the filter and is subjected to secondary filtration treatment, so that the aim that the filter can perform filtration treatment on the medium with mutually switched flow directions is fulfilled; meanwhile, in the process that the filter filters flowing media, the opening and closing states of the channels on the first filter screen and the second filter screen are correspondingly switched, so that impurities filtered by the first filter screen and the second filter screen are reserved in the second cavity and cannot be washed away by the media switching the flow direction, the purpose of filtering and collecting the impurities contained in the flowing media is achieved, and the effect of collecting the impurities in the media into the second cavity of the filter is achieved.
Meanwhile, the invention has simple structure and obvious effect and is suitable for popularization and use.
Drawings
FIG. 1 is a schematic cross-sectional view of a bi-directional filter-drier assembly according to an embodiment of the present invention;
FIG. 2 is a schematic view of a mounting support for a screen in an embodiment of the invention;
FIG. 3 is a schematic structural view of a valve cartridge in an embodiment of the present invention;
FIG. 4 shows the structure of the flange in the embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a bi-directional filter-drier assembly according to an embodiment of the present invention in a first operating state;
FIG. 6 is a schematic cross-sectional view of a bi-directional filter-drier assembly according to an embodiment of the present invention in a second operational state.
Description of the main elements: 1-housing, 2-first filter screen, 3-second filter screen, 4-first passageway, 5-second passageway, 6-first check valve, 7-second check valve, 8-dry filter core, 10-tube-shape lateral wall, 11-first opening, 12-second opening, 13-first cavity, 14-second cavity, 15-third cavity, 16-toper curb plate, 20-toper filter screen, 21-last supporting ring, 22-splice bar, 23-lower supporting ring, 61-case, 62-ring flange, 611-valve block, 612-erection column, 613-spacing protruding, 621-fixed part, 622-installation department, 623-splice bar, 624-passageway, 625-mounting hole, 81-filter core body, 82-support network.
Detailed Description
The present invention will be described in further detail with reference to examples.
As shown in fig. 1, the embodiment of the present invention discloses a bidirectional drying filter capable of collecting impurities, which comprises a housing 1, wherein a first opening 11 and a second opening 12 are respectively arranged at two opposite ends of the housing 1; a first filter screen 2 and a second filter screen 3 are arranged in the shell 1, and the first filter screen 2 and the second filter screen 3 divide the interior of the shell into three independent chambers which are sequentially arranged from a first opening 11 to a second opening 12 of the shell 1; the first filter screen 2 and the second filter screen 3 are respectively provided with a channel for communicating two adjacent chambers, and the first channel and the second channel are respectively provided with a control valve for controlling on-off.
In the embodiment of the invention, the first filter screen 2 divides the first chamber 13 from the second chamber 14, and the second filter screen 3 divides the second chamber 14 from the third chamber 15; the first chamber 13 communicates with the outside through the first opening 11, and the third chamber 15 communicates with the outside through the second opening 12. The first filter screen 2 is provided with a first channel 4 for communicating the first chamber 13 with the second chamber 14, and the second filter screen 3 is provided with a second channel 5 for communicating the second chamber 14 with the third chamber 15.
In the embodiment of the invention, the working states of the bidirectional drying filter comprise the following two types:
as shown in fig. 5, the first operating state: the medium containing impurities flows into the first opening, and the filtered and dried medium flows out of the second opening; at the moment, the control valve at the first passage is opened, the control valve at the second passage is closed, so that the medium containing impurities flows into the first chamber from the first opening, is sequentially filtered by the first filter screen and the second filter screen, can be dried by the drying filter element, and finally flows out from the second opening; meanwhile, impurities such as filter residues filtered by the first filter screen flow along with the medium until the impurities pass through the opened first channel and are collected into the second chamber; and the impurities such as filter residue filtered by the second filter screen are intercepted in the second chamber by the closed second channel.
As shown in fig. 6, the second operating state: the medium containing impurities flows into the second opening, and the filtered and dried medium flows out of the first opening; at the moment, the control valve at the second passage is opened, the control valve at the first passage is closed, the medium containing impurities flows into the third chamber from the second opening, and is filtered by the second filter screen and the first filter screen in sequence, and can be dried by the drying filter element, so that the filtered and/or dried medium finally flows out through the first opening; meanwhile, impurities such as filter residues filtered by the first filter screen are retained in the second chamber by the closed first channel; and impurities such as filter residue filtered by the second filter screen flow along with the medium until the impurities pass through the opened second channel and are collected into the second chamber.
Through the arrangement, the medium can respectively flow into the filter from two ends of the filter and is subjected to secondary filtration treatment through the first filter screen and the second filter screen in sequence, so that the aim that the filter can perform filtration treatment on the medium with mutually switched flow directions is fulfilled; meanwhile, in the process that the filter filters flowing media, the working states of the two control valves are correspondingly adjusted, and the opening and closing states of the channels on the first filter screen and the second filter screen are correspondingly switched, so that impurities filtered by the first filter screen or the second filter screen are retained in the second chamber and cannot be washed away by the media switching the flow direction, the purpose of filtering and collecting the impurities contained in the flowing media is achieved, and the effect of collecting the impurities in the media into the second chamber of the filter is achieved.
Example one
As shown in fig. 1, in this embodiment, a first channel 4 that directly connects a first chamber 13 and a second chamber 14 is provided in the center of a first screen 2, and a first one-way valve 6 that can be opened and closed is provided at the first channel 4; the center of the second filter screen 3 is provided with a second channel 5 which directly communicates the second chamber 14 with the third chamber 15, and the second channel 5 is provided with a second one-way valve 7 which can be opened and closed. The first check valve and the second check valve are respectively arranged on the first filter screen and the second filter screen, so that the first chamber 13 or the third chamber 15 is independently communicated with the second chamber 12, and filter residue intercepted by the first filter screen 2 flows into the second chamber 14 from the first channel 4 or filter residue intercepted by the second filter screen 3 flows into the second chamber 14 from the second channel 5.
In this embodiment, when the bidirectional dry filter is in the first working state, the medium flows into the first chamber 13 from the first opening 11, and impacts to open the first check valve 6 and close the second check valve 7, so that the medium flows out from the second opening 12 after being sequentially filtered by the first filter screen 2 and the second filter screen 3; meanwhile, the filter residue intercepted by the first filter screen 2 flows into the second chamber 14 through the opened first passage 4, so that the filter residue intercepted by the second filter screen 3 is intercepted in the second chamber 14 through the blocked second passage 5, and the purpose of collecting the filter residue into the second chamber 14 is realized.
In this embodiment, when the bidirectional dry filter is in the second working state, the medium flows into the third chamber 15 from the second opening 12, and impacts the second check valve 7 to close the second check valve 7, so that the medium flows out from the first opening 11 after being sequentially filtered by the second filter screen 3 and the first filter screen 2; meanwhile, the filter residue intercepted by the second filter screen 3 flows into the second chamber 14 through the opened second channel 5, so that the filter residue intercepted by the first filter screen 2 is intercepted in the second chamber 14 through the blocked first channel 4, and the purpose of collecting the filter residue into the second chamber 14 is also realized.
Through set up the check valve that corresponds on first filter screen and second filter screen for the not equidirectional medium that flows can only correspond and strike first check valve or second check valve open, realized along with the change of medium flow direction, to the automatically regulated control of filter user state, and then reached and flowed the medium of diversion through the first passageway or the second passageway that correspond open the second cavity, and the purpose that the second passageway or the first passageway that is blocked held back, and then realized all being reserved the second cavity with the filter residue under first filter screen and the second filter screen filtration, reach and collect the impurity that contains in the medium, avoid impurity along with the emergence of diversion medium circulation reciprocating motion condition in the system.
Example two
In this embodiment, the housing 1 of the bidirectional drying filter comprises a cylindrical side wall 10, and two ends of the cylindrical side wall 10 are a first end and a second end opposite to the housing 1 respectively; the two ends of the cylindrical side wall 10 are respectively provided with a side plate in sealing connection, a first opening 11 is correspondingly arranged on the first end side plate, a second opening 12 is correspondingly arranged on the second end side plate, and the two ends of the enclosed city can be used as an outlet and can also be used as an inlet of the bidirectional drying filter shell.
In this embodiment, a first filter screen 2 and a second filter screen 3 which are arranged at intervals are arranged in a cylindrical side wall 10 of a housing 1, a first chamber 13 is arranged inside the housing between the first filter screen 2 and a first end side plate, a second chamber 14 is arranged inside the housing between the first filter screen 2 and the second filter screen 3, and a third chamber 15 is arranged inside the housing between a second end side plate of the second filter screen 3. A first channel 4 is arranged at the center of the first filter screen 2, and a first one-way valve 6 is arranged at the first channel 4 so as to connect or disconnect the first chamber 13 and the second chamber 14 in one way; and a second channel 5 is arranged on the second filter screen 3, and a second one-way valve 7 is arranged on the second channel 5 so as to connect or disconnect the third chamber 15 and the second chamber 14 in one way.
In this embodiment, the first opening 11, the second opening 12, the first channel 4, and the second channel 5 are all disposed coaxially with the cylindrical sidewall 10, so that the medium and the filter residue can flow into the downstream chamber through the corresponding openings or channels, and the smoothness of the medium flow is improved.
In this embodiment, the first end side plate and the second end side plate of the housing 1 are respectively tapered side plates 16 that are gradually inclined from the center to the outer periphery; the big opening end of the conical side plate 16 is arranged close to the gravity center of the shell 1 and is connected with the corresponding end of the cylindrical side wall 10 in a sealing way; the small end of the tapered side plate 16 is located away from the cylindrical side wall 10 of the housing 1 and is provided with a corresponding first opening 11 or second opening 12 at the center.
In this embodiment, the first filter screen 2 and the second filter screen 3 are respectively conical filter screens 20; the big opening end of the conical filter screen 20 is fixed with the first end or the second end of the shell 1 in a sealing way through an upper supporting ring 21; the small opening end of the conical filter screen 20 is hermetically connected with a flange plate 62 through a lower support ring 23, the middle part of the flange plate 62 forms a corresponding first channel 4 or a corresponding second channel 5, and a valve core 61 for controlling the opening and closing of the corresponding channel is installed on the flange plate 62 so as to control the opening or closing of the corresponding channel.
In this embodiment, the small opening ends of the conical strainers 20 are all disposed near the center of gravity of the casing 1, and the large opening ends are disposed near the first opening 11 or the second opening 12 of the corresponding end of the casing 1. Preferably, the large opening end of the conical filter screen 20 is fixedly connected with the corresponding end portion of the cylindrical side wall 10, so that the conical filter screen 20 and the cylindrical side wall 10 are arranged in an equal diameter manner, the height of the conical filter screen 20 is increased as much as possible, the area of the filter screen is increased, and the passing performance of the filter screen is enhanced.
EXAMPLE III
As shown in fig. 2, in the present embodiment, a plurality of support bars 22 are disposed along the radial direction of the conical filter screen 20, both ends of each support bar 22 are fixedly connected to the upper support ring 21 and the lower support ring 23, respectively, and each support bar 22 is fixedly contacted with one side of the conical filter screen 20 close to the second chamber 14.
Through setting up many support bars 22 that extend along the radial direction of toper filter screen 20 for many places of filter screen respectively with support bar 22 looks fixed connection, with improve the fixed degree of filter screen, avoid the filter screen by the emergence of the condition that drops of assaulting, strengthen the filter effect of filter screen.
Preferably, the support bars 22 are arranged at equal angular intervals with respect to the center of the conical filter net 20, so that the support bars 22 are uniformly distributed to provide uniform support for the filter net, thereby further preventing the filter net from falling off due to impact.
Example four
As shown in fig. 4, in the present embodiment, the flange 62 includes a ring-shaped fixing portion 621 disposed at the outer periphery and mounted on the lower support ring 23, and a sleeve-shaped mounting portion 622 disposed at the center; the hollow part of the sleeve-shaped mounting part 622 forms a mounting hole 625 for mounting the valve core 61, and the fixing part 621 and the mounting part 622 are fixed through at least one connecting rib 623; the gaps between the ribs 623 define channels 624 corresponding to the screens, so that the medium flows out through the channels without passing through the screens. Preferably, a plurality of connecting ribs 623 are disposed between the fixing portion 621 and the mounting portion 622 to form a channel 624 formed by a plurality of holes isolated from each other, so that the medium can uniformly penetrate through the flange 62, thereby improving the filtering effect of the medium.
As shown in fig. 3, in this embodiment, the valve core 61 includes an installation column 612 penetrating through a central installation hole 625 of the installation portion 622, two ends of the installation column 612 are respectively provided with a horizontally extending limiting protrusion 613 and a valve sheet 611, the valve sheet 611 is disposed in the second chamber 14, and the valve sheet 611 at least covers an inner periphery of a fixing portion 621 of the flange to close or open the channel 624 in one direction; the limiting projection 613 at least partially protrudes from the inner periphery of the mounting part 622 of the flange plate 62, so that the valve core is prevented from falling off due to impact of medium flow power; the distance between the limit protrusion 613 and the valve plate 611 is greater than the height of the mounting portion 622, so that the valve core 61 can move up and down under the action of medium flow power, and the on-off of the medium and impurities flowing in one direction at the channel is controlled. Preferably, the valve plate 611 is a solid or a sheet structure with filter holes distributed; the aperture of the filtering holes on the valve plate 611 is smaller than the aperture of the filtering holes on the first filter screen 2 and the second filter screen 3 respectively.
The filter element which moves up and down along with the medium switching flow direction is arranged on the flange plate, so that the filter element is impacted by medium flow power to move, a channel formed in the middle of the flange plate is covered, or the channel is opened in a one-way mode, and the purpose that a one-way valve is arranged at the channel of the flange plate to control the medium flow direction is achieved; and then reach the effect of filter residue collection to the second cavity under first filter screen or the filtration of second filter screen.
EXAMPLE five
In the present embodiment, as shown in fig. 1, the central portion of the second chamber 14 is provided with a drying cartridge 8 of horizontal covering cross-section; the drying filter element 8 comprises two horizontal supporting nets 82 which are arranged at intervals, and a filter element body 81 formed by a drying agent is clamped between the two supporting nets 82; the periphery of the supporting net 82 is fixedly connected with the inner wall of the shell 1 in an attaching manner. Preferably, the aperture of the filtering holes on the supporting net 82 is respectively larger than the aperture of the filtering holes on the first filter screen 2 and the second filter screen 3; and the aperture of the filter holes on the supporting net 82 is smaller than the grain diameter of the desiccant grains forming the drying filter element body 81.
Preferably, the supporting net 82 and the first and second strainers 2 and 3 are spaced at a certain interval to avoid affecting the fluid passing performance and improve the medium passing smoothness of the filter.
EXAMPLE six
The present embodiment is different from the first to fifth embodiments in that: the control valves arranged at the first channel and the second channel are electromagnetic valves capable of automatically or manually controlling opening and closing, and the electromagnetic valves are respectively connected with the circuit board through control circuits so as to correspondingly adjust the opening and closing states of the electromagnetic valves when the flow direction of the medium flowing through the filter is switched, so as to correspondingly block the first channel or block the second channel; the aim of drying and filtering the medium which switches the flow direction in the filter (not noted in the attached drawings of the specification) can be achieved.
EXAMPLE seven
In this embodiment, a heat pump system is described, wherein the heat pump system is provided with a bidirectional drying filter as described in any one of the first to sixth embodiments, so as to filter and/or dry the cold medium flowing in the heat pump system.
In this embodiment, the heat pump system includes an evaporator, a compression pump, a condenser, and a throttling device that are connected end to end in sequence via a pipeline to form a circulation flow channel for a refrigerant medium to flow. The circulation flow path is provided with the bidirectional drying filter to filter and/or dry the refrigerant medium capable of flowing bidirectionally, so as to remove impurities contained in the refrigerant medium and dry the refrigerant medium.
In this embodiment, the heat pump system may be installed on a heat pump water heater to heat the stored water in the heat pump water heater by using the heat pump system; the heat pump system can also be arranged on an air conditioner so as to cool or heat the environment where the indoor unit of the air conditioner is arranged by utilizing the heat pump system.
Through installing above-mentioned two-way drying filter in heat pump system to dehumidify and filter impurity to heat pump system, and can make impurity such as filter residue under the filter of cold medium matter be collected to the second cavity of filter in, make the filter residue can not washed out the filter by two-way mobile cold medium matter, realized filtering the effect of collecting to impurity such as filter residue.
The embodiments in the above embodiments can be further combined or replaced, and the embodiments are only used for describing the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various changes and modifications made to the technical solution of the present invention by those skilled in the art without departing from the design idea of the present invention belong to the protection scope of the present invention.
Claims (12)
1. A bidirectional drying filter capable of collecting impurities comprises a shell (1), wherein a first opening (11) and a second opening (12) are respectively arranged at two opposite ends of the shell (1);
the method is characterized in that: a first filter screen (2) and a second filter screen (3) are arranged in the shell (1), and the first filter screen (2) and the second filter screen (3) divide the interior of the shell into three chambers which are mutually independent and are sequentially arranged from a first opening (11) of the shell to a second opening (12); and channels for communicating the chambers on the two sides are respectively arranged on the first filter screen (2) and the second filter screen (3), and control valves for controlling the on-off are respectively arranged at the positions of the channels.
2. The bi-directional filter-drier capable of collecting impurities as claimed in claim 1, wherein: the first filter screen (2) divides the first chamber (13) from the second chamber (14), and the second filter screen (3) divides the second chamber (14) from the third chamber (15); the first chamber (13) communicates with the outside through a first opening (11), and the third chamber (15) communicates with the outside through a second opening (12).
3. The bi-directional filter-drier capable of collecting impurities as claimed in claim 2, wherein: a first channel (4) which directly communicates the chambers at the two sides is arranged at the center of the first filter screen (2), and a first one-way valve (6) which can be opened and closed is arranged at the first channel (4), so that impurities can only flow from the first chamber (13) to the second chamber (14) through the first channel (4);
the center of second filter screen (3) is equipped with second passageway (5) with the direct intercommunication of both sides cavity, second passageway (5) department be equipped with open and shut second check valve (7), make impurity can only flow to second cavity (14) direction from third cavity (15) through second passageway (5).
4. A bi-directional filter-drier capable of collecting impurities as claimed in any one of claims 1 to 3, wherein: the first filter screen (2) and the second filter screen (3) are respectively conical filter screens (20); the big opening end of the conical filter screen (20) is sealed and fixed with the corresponding end of the shell (1) through an upper supporting ring (21); the small end of the conical filter screen (20) is hermetically connected with a flange plate (62) through a lower support ring (23), the hollow part of the flange plate (62) forms a channel corresponding to the filter screen, and a valve core (61) which is corresponding to the control through hole and is disconnected or opened in a one-way mode is arranged at the flange plate (62).
5. The bi-directional filter-drier capable of collecting impurities as claimed in claim 4, wherein: the small opening end of the conical filter screen (20) is arranged close to the gravity center of the shell (1) relative to the large opening end.
6. The bi-directional filter-drier capable of collecting impurities as claimed in claim 5, wherein: a plurality of support bars (22) are arranged along the radial direction of the conical filter screen (20), two ends of each support bar (22) are respectively and fixedly connected with the upper support ring (21) and the lower support ring (23), and each support bar (22) is fixedly contacted with one side of the conical filter screen (20) close to the second chamber (14).
7. The bi-directional filter-drier capable of collecting impurities as claimed in claim 4, wherein: the flange (62) comprises a circular fixing part (621) which is arranged at the periphery and is arranged on the lower support ring (23), and a sleeve-shaped mounting part (622) which is arranged at the center; the center of the sleeve-shaped mounting part (622) forms a mounting hole (625); the fixing part (621) and the mounting part (622) are spaced at a certain distance, and the fixing part (621) and the mounting part (622) are fixed through at least one connecting rib (623); gaps among the connecting ribs (623) form channels (624) corresponding to the filter screens;
the valve core (61) comprises an installation column (612) penetrating through the installation hole (625), two ends of the installation column (612) are respectively provided with a limit protrusion (613) and a valve plate (611) which extend horizontally, the valve plate (611) and the limit protrusion (613) are respectively arranged on two sides of the flange, and the valve plate (611) is arranged in the second cavity (14); the valve plate (611) covers at least the inner periphery of the flange fixing portion (621); the limiting protrusion (613) at least partially protrudes out of the inner periphery of the flange mounting part (622), and the distance between the limiting protrusion (613) and the valve plate (611) is larger than the height of the mounting part (622), so that the valve core moves up and down under the action of medium flow power, and the on-off of the one-way medium flowing at the opening is controlled.
8. A bi-directional filter-drier capable of collecting impurities as claimed in any one of claims 1 to 3, wherein: the shell (1) comprises a cylindrical side wall (10), and a first end and a second end of the cylindrical side wall are respectively provided with a conical side plate (16) which gradually inclines from the center to the periphery; the large opening ends of the two conical side plates (16) are respectively connected with the corresponding ends of the cylindrical side wall (10) in a sealing way.
9. The bi-directional filter-drier capable of collecting impurities as claimed in claim 8, wherein: the large opening end of the conical side plate (16) is arranged close to the center of gravity of the shell (1); the small end of the conical side plate (16) is provided with a corresponding first opening (11) or second opening (12).
10. The bi-directional filter-drier capable of collecting impurities as claimed in claim 9, wherein: the first opening (11), the second opening (12), the first channel (4) and the second channel (5) are all arranged coaxially with the cylindrical side wall (10).
11. A bi-directional filter-drier capable of collecting impurities as claimed in any one of claims 1 to 3, wherein: the middle part of the second chamber (14) is provided with a drying filter element (8) which horizontally covers the cross section; the drying filter element (8) comprises two horizontal supporting nets (82) which are arranged at intervals, and a filter element body (81) formed by a drying agent is clamped and installed between the two supporting nets (82); the periphery of the supporting net (82) is fixedly connected with the inner wall of the shell (1) in an attaching manner.
12. A heat pump system, characterized by: the heat pump system is provided with a bidirectional drying filter according to any one of claims 1 to 11 for filtering and/or drying the cold medium flowing in the heat pump system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610497021.8A CN107543342B (en) | 2016-06-29 | 2016-06-29 | Can collect two-way drier-filter and heat pump system of impurity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610497021.8A CN107543342B (en) | 2016-06-29 | 2016-06-29 | Can collect two-way drier-filter and heat pump system of impurity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107543342A CN107543342A (en) | 2018-01-05 |
| CN107543342B true CN107543342B (en) | 2020-01-10 |
Family
ID=60966292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610497021.8A Active CN107543342B (en) | 2016-06-29 | 2016-06-29 | Can collect two-way drier-filter and heat pump system of impurity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107543342B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114504857A (en) * | 2022-01-24 | 2022-05-17 | 青岛海尔空调器有限总公司 | Filter, air conditioner and impurity filtering and backflow preventing method of air conditioner |
| CN115253431A (en) * | 2022-07-29 | 2022-11-01 | 沪东中华造船(集团)有限公司 | Double-flow-direction pipeline liquid filter |
| CN115468322B (en) * | 2022-08-26 | 2024-05-03 | 肯德环境科技工程(上海)有限公司 | Anti-blocking refrigerating system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6235192B1 (en) * | 1997-03-20 | 2001-05-22 | Parker-Hannifin Corporation | Biflow drier with improved filtration |
| CN203286824U (en) * | 2013-05-22 | 2013-11-13 | 徐小芳 | Dry filter |
| CN104713276A (en) * | 2013-12-12 | 2015-06-17 | 常州西玛特电器有限公司 | Drying filter |
| CN102650482B (en) * | 2011-02-28 | 2015-10-07 | 浙江三花制冷集团有限公司 | A kind of two-way device for drying and filtering |
| CN105102908A (en) * | 2013-04-11 | 2015-11-25 | 马勒国际公司 | Receiver |
-
2016
- 2016-06-29 CN CN201610497021.8A patent/CN107543342B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6235192B1 (en) * | 1997-03-20 | 2001-05-22 | Parker-Hannifin Corporation | Biflow drier with improved filtration |
| CN102650482B (en) * | 2011-02-28 | 2015-10-07 | 浙江三花制冷集团有限公司 | A kind of two-way device for drying and filtering |
| CN105102908A (en) * | 2013-04-11 | 2015-11-25 | 马勒国际公司 | Receiver |
| CN203286824U (en) * | 2013-05-22 | 2013-11-13 | 徐小芳 | Dry filter |
| CN104713276A (en) * | 2013-12-12 | 2015-06-17 | 常州西玛特电器有限公司 | Drying filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107543342A (en) | 2018-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107543342B (en) | Can collect two-way drier-filter and heat pump system of impurity | |
| KR101611603B1 (en) | Apparatus for ventilating and cleaning air for window | |
| CA3100719A1 (en) | Device and method for filtering a fluid circulating in a plumbing and heating system | |
| CN107543343B (en) | Can collect two-way filter and heat pump system of impurity | |
| KR101260943B1 (en) | Hepa filter unit for clean room | |
| CN101398241B (en) | Drying filter for cooling cycle system of refrigerator | |
| CN112672803A (en) | Device and method for filtering a fluid circulating in a pipe and heating system | |
| KR20000056578A (en) | Air-conditioner | |
| CN109764412A (en) | A kind of air conditioner | |
| CN215260219U (en) | Gas phase filtering mechanism for fresh air system | |
| CN209835939U (en) | Sludge drying device | |
| KR101442082B1 (en) | Air Cooling-Cleaning Apparatus for Air-Conditioner | |
| CN114981596A (en) | Indirect evaporative cooling device, cooling system and control method | |
| KR101460716B1 (en) | Stand type air conditioner | |
| CN100448505C (en) | Liquid filter | |
| KR20200089399A (en) | Window type air cleaning system for preventing inflow of fine dust | |
| CN219036885U (en) | Mobile air conditioner | |
| CN217540994U (en) | Multi-channel filtering and absorbing device | |
| CN213901578U (en) | Drying filter for parking | |
| CN219367955U (en) | Filtering and draining device, chassis assembly and mobile air conditioner | |
| CN212618837U (en) | Module extensible domestic air handler | |
| CN220417467U (en) | Fresh air module and air conditioner indoor unit with same | |
| CN219243879U (en) | Chassis assembly and mobile air conditioner | |
| EP3988855B1 (en) | A decentralized system for combined fresh air ventilation and recirculation with heat pump with an vibration dampened compressor and condensate collection system and method | |
| CN210601979U (en) | Indoor air treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201113 Address after: 266431, Shandong, Qingdao province Jiaonan hidden Town Street office Cloud Road No. 67 Patentee after: QINGDAO HAIER NEW ENERGY ELECTRIC APPLIANCE Co.,Ltd. Patentee after: Haier Zhijia Co.,Ltd. Address before: 266431, Shandong, Qingdao province Jiaonan hidden Town Street office Cloud Road No. 67 Patentee before: QINGDAO HAIER NEW ENERGY ELECTRIC APPLIANCE Co.,Ltd. |
|
| TR01 | Transfer of patent right |