CN114151853B - Public building heating and ventilating system convenient for air pipeline layout - Google Patents
Public building heating and ventilating system convenient for air pipeline layout Download PDFInfo
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- CN114151853B CN114151853B CN202111500695.6A CN202111500695A CN114151853B CN 114151853 B CN114151853 B CN 114151853B CN 202111500695 A CN202111500695 A CN 202111500695A CN 114151853 B CN114151853 B CN 114151853B
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- cylinder
- air
- sleeve
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- air pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Abstract
The invention relates to a public building heating and ventilation system convenient for air pipeline layout, which comprises a base, a cylinder and a heat supply box, wherein the cylinder and the heat supply box are arranged on the upper part of the base, the head end and the tail end of the cylinder are respectively connected with an air draft mechanism and the heat supply box which are arranged on the upper part of the base through pipelines, the air draft mechanism comprises an air pump arranged on the upper part of the base and a driving motor arranged on the side part of the air pump, the air outlet of the air pump is communicated with the cylinder through a pipeline, a filter disc used for filtering dust in air is fixedly arranged in the cylinder, and a dredging mechanism is further arranged on one side of the filter disc, which is far away from the head end of the cylinder.
Description
Technical Field
The invention relates to the technical field related to heating and ventilation engineering, in particular to a public building heating and ventilation system convenient for air pipeline layout.
Background
The heating ventilation is called heat supply and gas supply ventilation and air conditioning engineering in subject classification, and comprises the following steps: the three aspects of heating, ventilation and air conditioning are functionally a component of the building. And is an indispensable part of the future family. In the cold areas in the north, in order to make the internal environment of the building comfortable, when the external temperature is lower, the indoor temperature needs to be improved by heating the indoor space, so as to improve the comfort level of people moving in the building.
The existing heating and ventilation system has the advantages that after the existing heating and ventilation system is used for a long time, the problem that a pipeline is blocked by dust easily occurs, so that the system is broken down and is difficult to continue to operate, the service life is greatly shortened, the ideal using effect cannot be achieved, a large amount of dust enters the system, the working efficiency of modules in the system can be influenced, and unnecessary energy waste is caused.
Disclosure of Invention
The invention aims to provide a public building heating and ventilating system convenient for air pipeline layout so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a public building heating and ventilating system convenient for air pipeline layout comprises a base, a cylinder and a heat supply box, wherein the cylinder is installed on the upper portion of the base, the central axis of the cylinder is parallel to the base, and the head end and the tail end of the cylinder are respectively connected with an air draft mechanism and the heat supply box through pipelines;
the air draft mechanism comprises an air pump arranged on the upper part of the base and a driving motor arranged on the side part of the air pump, the output end of the driving motor is connected with the driving shaft of the air pump, and the air outlet of the air pump is communicated with the cylinder through a pipeline;
a filter disc for filtering dust in air is fixedly arranged in the cylinder, a dredging mechanism is further arranged on one side of the filter disc, which is far away from the head end of the cylinder, the dredging mechanism is connected with a driving shaft of the air pump through a driving belt, a plurality of through holes for guiding out the dust filtered by the filter disc are formed in the outer wall of the cylinder along the circumference, and a plugging ring for conducting or sealing the through holes is movably arranged on the periphery of the cylinder through a plurality of groups of elastic mechanisms;
the heating box deviates from sealed rotation is installed the pipeline of giving vent to anger on one side of drum, the pipeline of giving vent to anger is "L" shape setting, install on the upper portion of base and be used for the drive pipeline pivoted screw thread actuating mechanism gives vent to anger.
As a further scheme of the invention: the dredging mechanism comprises a conducting piece, a reciprocating sliding structure and an intermittent matching assembly which are arranged in the cylinder, the intermittent matching assembly is connected with a driving shaft of the air pump through the driving belt, the reciprocating sliding structure comprises a guide rod fixedly arranged on the wall of the cylinder and a sleeve which is slidably sleeved with the guide rod through a limiting structure, and the central axes of the sleeve and the guide rod are overlapped;
the conduction piece is installed at one end, close to the filter disc, of the sleeve, a second spring is further sleeved on the periphery of the guide rod, one end of the second spring is connected with the sleeve, and the other end of the second spring is connected with the cylinder wall of the cylinder.
As a still further scheme of the invention: the limiting structure comprises a plurality of protrusions arranged on the periphery of the guide rod and a plurality of grooves which are formed in the inner wall of the sleeve and matched with the protrusions, the grooves are arranged in a long strip shape with the protrusions, and the number of the grooves is equal to that of the protrusions.
As a still further scheme of the invention: the conducting piece comprises a reciprocating plate fixedly installed at one end, close to the filter disc, of the sleeve and a plurality of contact pins arranged on one side, close to the filter disc, of the reciprocating plate.
The intermittent matching assembly comprises a second toothed plate fixedly arranged on the outer wall of the sleeve and an incomplete gear rotatably arranged in the cylinder, the rotating shaft of the incomplete gear extends out of the cylinder and is connected with the driving shaft of the air pump through a driving belt, one part of the incomplete gear is provided with teeth, the other part of the incomplete gear is provided with no teeth, and the toothed part of the incomplete gear is matched with the teeth on the second toothed plate.
As a still further scheme of the invention: the elastic mechanism comprises a protruding part arranged on the periphery of the plugging ring, a cross rod fixed on the side part of the protruding part and a protruding block fixed on the outer wall of the cylinder;
the horizontal pole runs through protruding piece and sliding connection with it, the horizontal pole is kept away from one of protruding portion is served and is provided with a boss, just the cover is equipped with first spring on the periphery of horizontal pole, the both ends of first spring respectively with protruding piece with the boss is connected.
As a still further scheme of the invention: the screw thread actuating mechanism is installed including rotating the lead screw on base upper portion is in with the setting on the lead screw and with it screw-thread fit's threading board, the upper portion of threading board is provided with first rack board, just be fixed with on the pipeline of giving vent to anger one with the gear of first rack board meshing.
Compared with the prior art, the invention has the beneficial effects that: the invention has novel design, when in specific implementation, the driving motor drives the air pump to work, the air pump pumps air into the cylinder, the filter disc filters dust in the air, and the problem of blockage of a transmission pipeline in the system caused by long-time work is prevented.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a public building heating and ventilation system for facilitating air duct layout.
Fig. 2 is a schematic view of an alternative embodiment of a heating and ventilation system for a public building to facilitate air duct layout.
FIG. 3 is a schematic view of the internal structure of a cylinder in one embodiment of a public building heating and ventilation system to facilitate air duct layout.
FIG. 4 is an exploded view of a guide rod and sleeve in one embodiment of a public building heating and ventilation system for facilitating air duct layout.
In the figure: 1-a base; 2, an air pump; 3-driving a motor; 4-cylinder; 5-a heat supply box; 6-an air outlet pipeline; 7-a screw mandrel; 8-thread plate; 9-a first rack plate; 10-a gear; 11-a plugging ring; 12-a projection; 13-a cross-bar; 14-a protruding block; 15-boss; 16-a first spring; 17-a filter disc; 18-reciprocating plate; 19-inserting a pin; 20-a second spring; 21-a sleeve; 22-a guide bar; 23-a protrusion; 24-a groove; 25-a second rack plate; 26-incomplete gear; 27-transmission belt.
Detailed description of the preferred embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1~4, in an embodiment of the present invention, a public building heating and ventilation system convenient for air duct layout includes a base 1, a cylinder 4 installed on an upper portion of the base 1, and a heat supply box 5, a central axis of the cylinder 4 is parallel to the base 1, and a head end and a tail end of the cylinder 4 are respectively connected to an air extracting mechanism installed on an upper portion of the base 1 and the heat supply box 5 through a duct;
the air draft mechanism comprises an air pump 2 arranged on the upper part of the base 1 and a driving motor 3 arranged on the side part of the air pump 2, the output end of the driving motor 3 is connected with the driving shaft of the air pump 2, and the air outlet of the air pump 2 is communicated with the cylinder 4 through a pipeline;
the inside of drum 4 still fixedly is provided with a filter disc 17 that is arranged in carrying out the filterable dust to the air, filter disc 17 deviates from still be provided with the mediation mechanism on one side of drum 4 head end, mediation mechanism pass through drive belt 27 with the actuating shaft of air pump 2 is connected.
The dredging mechanism comprises a conducting piece, a reciprocating sliding structure and an intermittent matching component which are arranged in the cylinder 4, and the intermittent matching component is connected with a driving shaft of the air pump 2 through the transmission belt 27;
the reciprocating sliding structure comprises a guide rod 22 fixedly arranged on the wall of the cylinder 4 and a sleeve 21 which is in sliding sleeve fit with the guide rod 22 through a limiting structure, and the central axes of the sleeve 21 and the guide rod 22 are overlapped;
the conducting piece is arranged at one end of the sleeve 21 close to the filter disc 17, a second spring 20 is further sleeved on the periphery of the guide rod 22, one end of the second spring 20 is connected with the sleeve 21, and the other end of the second spring is connected with the cylinder wall of the cylinder 4.
The limiting structure comprises a plurality of protrusions 23 arranged on the periphery of the guide rod 22 and a plurality of grooves 24 arranged on the inner wall of the sleeve 21 and matched with the protrusions 23, wherein the grooves 24 and the protrusions 23 are arranged in a long strip shape, and the number of the grooves is equal to that of the protrusions 23.
The lead-through member includes a reciprocating plate 18 fixedly installed on an end of the sleeve 21 adjacent to the filter disc 17 and a plurality of pins 19 provided on a side of the reciprocating plate 18 adjacent to the filter disc 17.
The intermittent matching assembly comprises a second rack plate 25 fixedly arranged on the outer wall of the sleeve 21 and an incomplete gear 26 rotatably arranged in the cylinder 4, wherein the rotating shaft of the incomplete gear 26 extends out of the cylinder 4 and is connected with the driving shaft of the air pump 2 through the transmission belt 27;
one part of the incomplete gear 26 is arranged with teeth, the other part is arranged without teeth, and the toothed part on the incomplete gear is matched with the teeth on the second rack plate 25.
In detail, a fixing ring is arranged on the end of the sleeve 21 away from the filter disc 17, and one end of the second spring 20 is connected with the fixing ring;
and a plurality of through grooves for leading out air are formed in the end, far away from the air pump 2, of the cylinder 4 along the circumference.
In the embodiment of the invention, during the operation of the air pump 2, the driving shaft thereof drives the incomplete gear 26 to rotate through the driving belt 27, the toothed part on the incomplete gear 26 is in contact fit with the second toothed plate 25, so that the sleeve 21 slides on the guide rod 22 towards the filter disc 17, in the process, the second spring 20 is stretched, after the toothed part on the incomplete gear 26 is separated from the second toothed plate 25, the elastic force of the second spring 20 is restored, so that the sleeve 21 is reset, and then the toothed part on the incomplete gear 26 is in fit with the second toothed plate 25 again, so that the sleeve 21 slides on the guide rod 22 in a reciprocating manner, the pins 19 are intermittently inserted into the filter holes on the filter disc 17, and an effective dredging function is performed on the filter disc 17;
the protrusion 23 and the groove 24 are provided to prevent the sleeve 21 from rotating on the guide bar 22, which may cause the incomplete gear 26 and the second rack bar 25 to be misaligned.
A plurality of through openings for guiding out the dust filtered by the filter disc 17 are formed in the outer wall of the cylinder 4 along the circumference, and a plugging ring 11 for conducting or sealing the through openings is movably arranged on the periphery of the cylinder 4 through a plurality of groups of elastic mechanisms.
The elastic mechanism comprises a protruding part 12 arranged on the outer periphery of the plugging ring 11, a cross rod 13 fixed on the side part of the protruding part 12 and a protruding block 14 fixed on the outer wall of the cylinder 4;
the horizontal pole 13 runs through protruding piece 14 and sliding connection with it, horizontal pole 13 is kept away from one of protruding portion 12 is served and is provided with a boss 15, just the cover is equipped with first spring 16 on the periphery of horizontal pole 13, the both ends of first spring 16 respectively with protruding piece 14 with boss 15 is connected.
After the long-term operation of the system and when the dust accumulated in the cylinder 4 needs to be discharged, the blocking ring 11 is pulled to slide towards the protruding block 14 until the blocking ring 11 releases the sealing state of the opening on the outer wall of the cylinder 4, and then the dust therein can fall out of the cylinder 4, in the process, the first spring 16 is stretched, and after the dust is discharged, the blocking ring 11 is released, the first spring 16 rebounds to restore the blocking ring 11, and the opening on the outer wall of the cylinder 4 is sealed again, so that the operation is convenient and fast, and a user can clean the dust accumulated in the cylinder 4 regularly.
The heating box 5 deviates from one side of the cylinder 4 is provided with an air outlet pipeline 6 in a sealed rotating mode, the air outlet pipeline 6 is arranged in an L shape, and the upper portion of the base 1 is provided with a thread driving mechanism used for driving the air outlet pipeline 6 to rotate.
The screw thread actuating mechanism is including rotating the installation and being in lead screw 7 on base 1 upper portion and setting are in on the lead screw 7 and with its screw-thread fit's threading board 8, the upper portion of threading board 8 is provided with first rack board 9, just be fixed with on the outlet duct 6 one with the gear 10 of first rack board 9 meshing.
Further, a through hole for the screw rod 7 to pass through is formed in the side portion of the thread plate 8, threads matched with the screw rod 7 are formed in the inner wall of the through hole, and a knob is further fixed to one end of the screw rod 7 so as to rotate the screw rod 7;
the bottom of the thread plate 8 is in sliding fit with the upper part of the base 1.
During actual assembly, through rotating lead screw 7 for the threading board 8 drives first rack board 9 and removes, thereby first rack board 9 and gear 10 cooperation, make outlet duct 6 take place to rotate, and its orientation changes, because has the screwed auto-lock characteristic between lead screw 7 and the threading board 8, thereby has guaranteed outlet duct 6's stability, has made things convenient for the overall arrangement work of pipeline in the system.
It should be noted that the base 1 is further provided with a plurality of through holes, so that the assembly of the system is facilitated in practical use;
the above-mentioned heating box 5 is used for heating the air introduced from the cylinder 4, and a heating wire heating module is provided inside the heating box 5, which is an application of the prior art and will not be described in detail in the present application.
When the heating and ventilation system is implemented specifically, the driving motor 3 drives the air pump 2 to work, the air pump 2 pumps air into the cylinder 4, the filter disc 17 filters dust in the air, the problem that a transmission pipeline in the system is blocked due to long-time work is prevented, a driving shaft of the air pump 2 drives the dredging mechanism to work through the driving belt 27 in the working process, the dredging mechanism conducts filtering holes in the filter disc 17 in a reciprocating manner, and the filtering holes in the filter disc 17 are prevented from being blocked, so that the normal operation of the system is influenced;
therefore, finally, dust in the air is accumulated in the cylinder 4, when the dust needs to be led out, the elastic mechanism works to relieve the sealing state of the sealing ring 11 on the through opening on the outer wall of the cylinder 4, and then the accumulated dust can be led out through the through opening, so that the situation that the dust in the cylinder 4 is accumulated too much to block the cylinder 4 due to long-term operation of the system is prevented;
during actual assembly, the transmission pipeline is led out from the tail end of the air outlet pipeline 6, and at the moment, the thread driving mechanism works to drive the air outlet pipeline 6 to rotate, so that the direction of the air outlet pipeline is changed, and further, the layout work of pipelines in the system is facilitated;
to sum up, through mutually supporting between each mechanism and the part in the system, realized the function that the pipeline blockked up in the system, carried out filtration treatment to the dust in the air, on the one hand made the life-span of system prolong greatly, on the other hand, prevented that the dust from entering into heating box 5, leaded to the condition that the heat conduction effect of heating module descends in the heating box 5, guaranteed make full use of heat, reduced calorific loss, reduced energy waste, be suitable for using widely.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The public building heating and ventilating system convenient for air pipeline layout is characterized by comprising a base (1), a cylinder (4) and a heat supply box (5), wherein the cylinder (4) is installed on the upper portion of the base (1), the central axis of the cylinder (4) is parallel to the base (1), and the head end and the tail end of the cylinder (4) are respectively connected with an air draft mechanism and the heat supply box (5) which are installed on the upper portion of the base (1) through pipelines;
the air draft mechanism comprises an air pump (2) arranged on the upper part of the base (1) and a driving motor (3) arranged on the side part of the air pump (2), the output end of the driving motor (3) is connected with the driving shaft of the air pump (2), and the air outlet of the air pump (2) is communicated with the cylinder (4) through a pipeline;
a filter disc (17) for filtering dust in the air is fixedly arranged in the cylinder (4), a dredging mechanism is further arranged on one side, away from the head end of the cylinder (4), of the filter disc (17), and the dredging mechanism is connected with a driving shaft of the air pump (2) through a driving belt (27);
a plurality of through holes for guiding out the dust filtered by the filter disc (17) are formed in the outer wall of the cylinder (4) along the circumference, and a plugging ring (11) for conducting or sealing the through holes is movably arranged on the periphery of the cylinder (4) through a plurality of groups of elastic mechanisms;
an air outlet pipeline (6) is hermetically and rotatably mounted on one side, away from the cylinder (4), of the heat supply box (5), the air outlet pipeline (6) is arranged in an L shape, and a thread driving mechanism for driving the air outlet pipeline (6) to rotate is mounted on the upper portion of the base (1);
the dredging mechanism comprises a conducting piece, a reciprocating sliding structure and an intermittent matching component which are arranged in the cylinder (4), and the intermittent matching component is connected with a driving shaft of the air pump (2) through a driving belt (27);
the reciprocating sliding structure comprises a guide rod (22) fixedly installed on the wall of the cylinder (4) and a sleeve (21) in sliding sleeve fit with the guide rod (22) through a limiting structure, and the central axes of the sleeve (21) and the guide rod (22) are overlapped;
the conducting piece is arranged at one end, close to the filter disc (17), of the sleeve (21), a second spring (20) is further sleeved on the periphery of the guide rod (22), one end of the second spring (20) is connected with the sleeve (21), and the other end of the second spring is connected with the cylinder wall of the cylinder (4);
the limiting structure comprises a plurality of protrusions (23) arranged on the periphery of the guide rod (22) and a plurality of grooves (24) which are arranged on the inner wall of the sleeve (21) and matched with the protrusions (23), the grooves (24) and the protrusions (23) are arranged in a long strip shape, and the number of the grooves (24) and the protrusions (23) is equal;
the conducting piece comprises a reciprocating plate (18) fixedly mounted at one end of the sleeve (21) close to the filter disc (17) and a plurality of contact pins (19) arranged on one side of the reciprocating plate (18) close to the filter disc (17);
the intermittent matching assembly comprises a second rack plate (25) fixedly arranged on the outer wall of the sleeve (21) and an incomplete gear (26) rotatably arranged in the cylinder (4), and the rotating shaft of the incomplete gear (26) extends out of the cylinder (4) and is connected with the driving shaft of the air pump (2) through a driving belt (27);
one part of the incomplete gear (26) is arranged with teeth, the other part of the incomplete gear is arranged without teeth, and the part with teeth on the incomplete gear is matched with the teeth on the second rack plate (25);
the sleeve (21) slides on the guide rod (22) in a reciprocating manner, and the inserting needle (19) is intermittently inserted into a filtering hole on the filtering disc (17) to play a dredging function on the filtering disc (17).
2. A public building heating and ventilation system for facilitating air duct layout according to claim 1, wherein the elastic means comprises a protrusion (12) provided on the outer circumference of the blocking ring (11), a cross bar (13) fixed on the side of the protrusion (12), and a protrusion block (14) fixed on the outer wall of the cylinder (4);
horizontal pole (13) run through protruding piece (14) and sliding connection with it, horizontal pole (13) are kept away from one of protruding portion (12) is served and is provided with a boss (15), just the cover is equipped with first spring (16) on the periphery of horizontal pole (13), the both ends of first spring (16) respectively with protruding piece (14) with boss (15) are connected.
3. A public building heating and ventilating system convenient for arrangement of air pipes as claimed in claim 1, wherein said screw driving mechanism comprises a screw rod (7) rotatably installed on the upper portion of said base (1) and a screw plate (8) disposed on said screw rod (7) and screw-engaged therewith, a first rack plate (9) is disposed on the upper portion of said screw plate (8), and a gear (10) engaged with said first rack plate (9) is fixed on said air outlet pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111500695.6A CN114151853B (en) | 2021-12-09 | 2021-12-09 | Public building heating and ventilating system convenient for air pipeline layout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111500695.6A CN114151853B (en) | 2021-12-09 | 2021-12-09 | Public building heating and ventilating system convenient for air pipeline layout |
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| CN114151853A CN114151853A (en) | 2022-03-08 |
| CN114151853B true CN114151853B (en) | 2023-04-14 |
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| CN114653119B (en) * | 2022-04-18 | 2022-09-16 | 自贡市彤辉能源设备厂 | Self-cleaning backwashing water filter |
| CN116943335B (en) * | 2023-09-20 | 2023-12-22 | 黑龙江农垦建工路桥有限公司 | Drilling bored concrete pile mud grit splitter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2014025667A (en) * | 2012-07-30 | 2014-02-06 | Hitachi Appliances Inc | Ceiling recessed air conditioner |
| JP6239369B2 (en) * | 2013-12-20 | 2017-11-29 | 三菱重工サーマルシステムズ株式会社 | Air filter cleaning mechanism of air conditioner |
| CN213841203U (en) * | 2020-08-05 | 2021-07-30 | 深圳市卓泰诚装饰工程有限公司 | Ventilation energy-saving device of green building |
| CN214307428U (en) * | 2020-12-28 | 2021-09-28 | 北京高度国际建筑装饰集团有限公司 | Green building filtration ventilation unit |
| CN113124555B (en) * | 2021-04-30 | 2022-05-20 | 佛山禅之雪冷气机电工程有限公司 | Energy recovery system for central air conditioner |
| CN113654175B (en) * | 2021-09-14 | 2022-07-05 | 苏州绿馨源环保科技有限公司 | Indoor air purification device |
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