CN213178548U - Indoor heating and ventilating device for building - Google Patents
Indoor heating and ventilating device for building Download PDFInfo
- Publication number
- CN213178548U CN213178548U CN202022122537.9U CN202022122537U CN213178548U CN 213178548 U CN213178548 U CN 213178548U CN 202022122537 U CN202022122537 U CN 202022122537U CN 213178548 U CN213178548 U CN 213178548U
- Authority
- CN
- China
- Prior art keywords
- outer shell
- air inlet
- fixedly connected
- ventilation
- electric heating
- 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.)
- Expired - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 33
- 238000009423 ventilation Methods 0.000 claims abstract description 46
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 239000000428 dust Substances 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 238000005485 electric heating Methods 0.000 claims description 30
- 230000002093 peripheral effect Effects 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Landscapes
- Air-Flow Control Members (AREA)
Abstract
The utility model discloses a building indoor heating ventilation unit relates to building engineering technical field. The utility model comprises an outer shell; the surface of the outer shell is fixedly provided with an air outlet shutter component; the bottom surface of the outer shell is fixedly connected with an air inlet shutter component; a ventilation hood is fixedly communicated with the side surface of the outer shell and the position corresponding to the air inlet shutter assembly; an air inlet dust filtering mechanism and a heat supply mechanism are fixedly arranged on the inner wall of the outer shell and correspond to the positions above the air inlet shutter assemblies from bottom to top in sequence; and a wind guide cavity matched with the wind outlet shutter assembly is fixedly arranged in the shell body and corresponds to the position above the heat supply mechanism. The utility model discloses a draft hood, air inlet shutter assembly's design becomes traditional single use mode and is two use modes, and under two use modes, the device both can carry out outer ventilation heating operation, can carry out the inner loop heating operation again simultaneously, through two operation modes, and then effectively increase the device's suitable scene and multifunctionality.
Description
Technical Field
The utility model belongs to the technical field of building engineering, especially, relate to a building indoor heating ventilation unit.
Background
In the building that lacks ventilation system, often use the fan or open door and window to indoor ventilation and carry out natural draft, when weather is cold, indoor personnel generally lock indoor door and window, prevent that cold wind from getting into, reduce the room temperature, do not ventilate for a long time, the indoor air quality can become very poor, though can guarantee warmly, but relatively poor air circumstance can make personnel in indoor work rest become uncomfortable, need one kind can ventilate in real time and can not reduce the heating and ventilation device of room temperature again, current heating and ventilation device uses scene and service pattern on the one hand comparatively single, on the other hand is when ventilating the operation, filtering mechanism very easily produces the jam, therefore use and maintenance cost are higher.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a building indoor heating and ventilation device through the reality of heating mechanism, air inlet dust filtering mechanism, air inlet shutter assembly and draft hood, has solved current building indoor heating and ventilation device and has used the single and higher problem of maintenance cost of scene.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a heating and ventilating device in a building room, which comprises an outer shell; an air outlet shutter assembly is fixedly arranged on the surface of the outer shell; the bottom surface of the outer shell is fixedly connected with an air inlet shutter component; a ventilation hood is fixedly communicated with the side surface of the outer shell and the position corresponding to the air inlet shutter assembly; an air inlet dust filtering mechanism and a heat supply mechanism are fixedly mounted on the inner wall of the outer shell and correspond to the positions above the air inlet shutter assemblies from bottom to top in sequence; a wind guide cavity matched with the wind outlet shutter assembly is fixedly formed in the outer shell and corresponds to the position above the heat supply mechanism; a temperature sensor is fixedly arranged on the surface of the outer shell and corresponds to the position of the air guide cavity;
the air inlet dust filtering mechanism comprises a support frame; the surface of the support frame is fixedly connected with two symmetrically arranged vibration motors; two groups of symmetrically arranged damping shock absorption pieces are fixedly connected to the bottom surface of the support frame; the bottom ends of the two groups of damping shock absorption pieces are fixedly connected with the outer shell; the surface of the support frame is fixedly connected with a group of positioning seats distributed in a circumferential array; the inner walls of the positioning seats are fixedly connected with a double-end motor through a connecting frame; one end of an output shaft on the double-head motor is fixedly connected with an air outlet fan blade; one end of the lower output pump of the double-head motor is fixedly connected with a spiral filter blade; the surfaces of the spiral filter blades are provided with filter holes distributed in a circumferential array; the bottom surfaces of the positioning seats are fixedly communicated with an air inlet sleeve; the peripheral side surfaces of the spiral filter blades are attached to the air inlet sleeves at corresponding positions;
the heat supply mechanism comprises a mounting seat; the peripheral side surface of the mounting seat is fixedly connected with the outer shell; the surface of the mounting seat is fixedly provided with a first electric heating tube and a second electric heating tube respectively; the peripheral side surface of the first electric heating tube is fixedly connected with two symmetrically arranged V-shaped heat dissipation aluminum plates; the surfaces of the two V-shaped heat dissipation aluminum plates are fixedly connected with the second electric heating tube; and a group of heat dissipation holes distributed in a linear array are formed in the surfaces of the two V-shaped heat dissipation aluminum plates.
Furthermore, a reflection enclosure frame is fixedly arranged on the inner wall of the outer shell at a position corresponding to the heat supply mechanism; the surface of the mounting seat is fixedly provided with a temperature controller matched with the first electric heating tube and the second electric heating tube; the first electric heating pipe and the second electric heating pipe are both of a continuous U-shaped structure.
Furthermore, the detection end of the temperature sensor extends to the inside of the air guide cavity; a control panel is fixedly arranged on the surface of the outer shell and corresponds to the position of the heat supply mechanism; the control panel surface is provided with a display screen and a control key respectively.
Furthermore, a hook is fixedly arranged on the back of the outer shell; the bottom surface of the outer shell is clamped with two bottom feet through notches; and the bottom surfaces of the two bottom feet are fixedly connected with a group of universal casters.
Furthermore, the surface of the ventilation hood is fixedly communicated with a ventilation pipe; the peripheral side surface of the ventilation pipe is fixedly provided with a ventilation valve; the ventilation pipe is arranged above the air inlet shutter assembly.
Furthermore, the air inlet louver assembly and the air outlet louver assembly comprise mounting frames; a group of shutter blades which are mutually connected through a chain are rotatably connected in the mounting frame; a driving motor is fixedly arranged in the mounting frame; one end of the output shaft of the driving motor is fixedly connected with one louver blade.
The utility model discloses following beneficial effect has:
the utility model discloses a ventilation hood, the design of air inlet tripe subassembly, become traditional single use mode and be two use modes, under two use modes, the device both can carry out outer ventilation heating operation, the inner loop heating operation can be carried out again simultaneously, through two operation modes, and then effectively increase the device's suitable scene and multifunctionality, design through air inlet dust filtering mechanism, then become traditional static state formula filtration and be dynamic formula filtration, through dynamic formula filtration, can effectively reduce impurity jam or the probability of adhesion on the filtration on the one hand, on the other hand can realize filtering impurity's quick break away from, and then effectively reduce the device's use cost and improve the device's ease for use.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of an indoor heating and ventilating device for a building;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 4 is a schematic structural view of the reflection enclosure and the air intake sleeve;
FIG. 5 is a schematic diagram of the heating mechanism;
FIG. 6 is a schematic structural view of the air intake dust filtering mechanism;
FIG. 7 is a schematic structural view of the positioning seat and the air intake sleeve;
in the drawings, the components represented by the respective reference numerals are listed below:
1-outer shell, 2-air outlet louver component, 3-air inlet louver component, 4-ventilation hood, 5-air inlet dust filtering mechanism, 6-heat supply mechanism, 7-air guide cavity, 8-temperature sensor, 9-support frame, 10-vibration motor, 11-damping shock absorber, 12-positioning seat, 13-double-head motor, 14-air outlet fan blade, 15-spiral filtering blade, 16-filtering hole, 17-air inlet sleeve, 18-mounting seat, 19-first electric heating tube, 20-second electric heating tube, 21-V type heat dissipation aluminum plate, 22-heat dissipation hole, 23-reflection enclosure frame, 24-temperature controller, 25-control panel, 26-hook, 27-footing and 28-ventilation pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention relates to a heating and ventilating device for building interior, which comprises an outer casing 1; the surface of the outer shell 1 is fixedly provided with an air outlet shutter component 2; the air outlet louver component 2 is used for controlling the direction of air outlet;
the bottom surface of the outer shell 1 is fixedly connected with an air inlet shutter component 3; the air inlet shutter assembly 3 is used for controlling whether the outer shell 1 carries out ventilation operation or not; a ventilation hood 4 is fixedly communicated with the side surface of the outer shell 1 and the position corresponding to the air inlet shutter assembly 3; an air inlet dust filtering mechanism 5 and a heat supply mechanism 6 are fixedly arranged on the inner wall of the outer shell 1 and correspond to the positions above the air inlet shutter assemblies 3 from bottom to top in sequence; a wind guide cavity 7 matched with the wind outlet shutter component 2 is fixedly arranged in the outer shell 1 and at a position corresponding to the upper part of the heat supply mechanism 6; a temperature sensor 8 is fixedly arranged on the surface of the outer shell 1 and corresponds to the position of the air guide cavity 7; the temperature sensor 8 is arranged and used for monitoring the air outlet temperature information in the air guide cavity 7 in real time, the temperature sensor 8 feeds the monitored real-time data back to the controller in the control panel 25 in real time, the model of the temperature sensor 8 is DS18B20, and the PLC controller is a PLC controller with a common model;
the air inlet dust filtering mechanism 5 comprises a support frame 9; the surface of the supporting frame 9 is fixedly connected with two symmetrically arranged vibrating motors 10; two groups of symmetrically arranged damping shock absorption pieces 11 are fixedly connected to the bottom surface of the supporting frame 9; the bottom ends of the two groups of damping shock absorption pieces 11 are fixedly connected with the outer shell 1; a group of positioning seats 12 distributed in a circumferential array are fixedly connected to the surface of the supporting frame 9; the inner walls of the positioning seats 12 are fixedly connected with a double-end motor 13 through a connecting frame; one end of an output shaft on the group of double-head motors 13 is fixedly connected with an air outlet fan blade 14; one end of the lower output pump of the group of double-head motors 13 is fixedly connected with a spiral filter blade 15; the surfaces of the spiral filter blades 15 are provided with filter holes 16 distributed in a circumferential array; the bottom surfaces of the positioning seats 12 are fixedly communicated with an air inlet sleeve 17; the peripheral side surfaces of the spiral filter blades 15 are all attached to the air inlet sleeve 17 at the corresponding position;
the heating mechanism 6 comprises a mounting seat 18; the peripheral side surface of the mounting seat 18 is fixedly connected with the outer shell 1; the surface of the mounting seat 18 is respectively fixedly provided with a first electric heating tube 19 and a second electric heating tube 20; the peripheral side surface of the first electric heating tube 19 is fixedly connected with two V-shaped heat dissipation aluminum plates 21 which are symmetrically arranged; the surfaces of the two V-shaped radiating aluminum plates 21 are fixedly connected with the second electric heating tube 20; the surfaces of the two V-shaped radiating aluminum plates 21 are both provided with a group of radiating holes 22 distributed in a linear array.
As shown in fig. 4, a reflection enclosure frame 23 is fixedly installed on the inner wall of the outer shell 1 at a position corresponding to the heat supply mechanism 6, and the reflection enclosure frame 23 is made of aluminum; the surface of the mounting seat 18 is fixedly provided with a temperature controller 24 which is matched with the first electric heating tube 19 and the second electric heating tube 20; the first electric heating tube 19 and the second electric heating tube 20 are both of a continuous U-shaped structure.
As shown in fig. 1, the detection end of the temperature sensor 8 extends to the inside of the air guide cavity 7; a control panel 25 is fixedly arranged on the surface of the outer shell 1 and corresponds to the position of the heat supply mechanism 6; the surface of the control panel 25 is provided with a display screen and control keys respectively.
As shown in fig. 3, a hook 26 is fixedly arranged on the back of the outer shell 1, and the hook 26 is used for hanging the device at a position to be used; the bottom surface of the outer shell 1 is clamped with two bottom feet 27 through notches; two equal fixedly connected with a set of universal castor in footing 27 bottom surfaces, through above-mentioned structure, can make footing 27 dismantle fast, and set up through above-mentioned structure, make the device have multiple usage pattern.
As shown in fig. 2 and 3, a ventilation pipe 28 is fixedly communicated with the surface of the ventilation hood 4; the peripheral side surface of the ventilation pipe 28 is fixedly provided with a ventilation valve; the ventilation pipe 28 is arranged above the air inlet louver assembly 3.
The air inlet louver component 3 and the air outlet louver component 2 both comprise mounting frames; a group of shutter blades which are mutually connected through a chain are rotatably connected in the mounting frame; a driving motor is fixedly arranged in the mounting frame; one end of the output shaft of the driving motor is fixedly connected with a blade, and the structure is the existing mechanism and is not described again.
One specific application of this embodiment is: when the device is used, two use modes are provided, the first mode is a ventilation mode, the device is arranged indoors in the ventilation mode, the ventilation pipe 28 is communicated with the outdoor environment through a related pipeline, the air inlet shutter assembly 3 is closed, air is supplied through the ventilation pipe 28 during work, the first electric heating pipe 19 and the second electric heating pipe 20 in the heat supply mechanism 6 work synchronously, ventilation and heating operation is further achieved, and the constant temperature air outlet temperature of the device can be set through setting the control panel 25;
the second mode is a single heating mode, in the single heating mode, the ventilation pipe 28 is closed, the air inlet shutter assembly 3 is opened, during heating, the device carries out air heating operation in an internal circulation mode, during heating operation, air enters from the air inlet shutter assembly 3 in a circulation mode, the first electric heating pipe 19 and the second electric heating pipe 20 work, and then air heating is achieved; when the device is used, the device can be used in a hanging mode or a vertical mode, the two vibration motors 10 work periodically in a ventilation mode and a heating mode, and the double-head motors 13 rotate at a set speed uniformly during air supply, wherein after the double-head motors 13 work, the conveying direction of the spiral filtering blades 15 is downward, the air outlet direction of the air outlet fan blades 14 is upward, when the spiral filtering blades 15 need to be cleaned, the conveying direction of the spiral filtering blades 15 is upward, the air outlet direction of the air outlet fan blades 14 is downward, and the spiral filtering blades 15 can be cleaned rapidly through a back blowing principle.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. An indoor heating and ventilation device for a building, comprising an outer shell (1), characterized in that:
an air outlet shutter assembly (2) is fixedly arranged on the surface of the outer shell (1); the bottom surface of the outer shell (1) is fixedly connected with an air inlet shutter component (3); a ventilation hood (4) is fixedly communicated with the side surface of the outer shell (1) and the position corresponding to the air inlet shutter assembly (3); an air inlet dust filtering mechanism (5) and a heat supply mechanism (6) are fixedly arranged on the inner wall of the outer shell (1) and correspond to the positions above the air inlet shutter assemblies (3) from bottom to top in sequence; a wind guide cavity (7) matched with the wind outlet shutter component (2) is fixedly arranged in the outer shell (1) and at a position corresponding to the upper part of the heat supply mechanism (6); a temperature sensor (8) is fixedly arranged on the surface of the outer shell (1) and corresponds to the position of the air guide cavity (7);
the air inlet dust filtering mechanism (5) comprises a support frame (9); the surface of the supporting frame (9) is fixedly connected with two vibration motors (10) which are symmetrically arranged; two groups of damping shock absorption pieces (11) which are symmetrically arranged are fixedly connected to the bottom surface of the support frame (9); the bottom ends of the two groups of damping shock absorption pieces (11) are fixedly connected with the outer shell (1); a group of positioning seats (12) distributed in a circumferential array are fixedly connected to the surface of the supporting frame (9); the inner walls of the positioning seats (12) are fixedly connected with a double-end motor (13) through a connecting frame; one end of an output shaft on the double-head motor (13) is fixedly connected with an air outlet fan blade (14); one end of the lower output pump of the double-head motor (13) is fixedly connected with a spiral filter blade (15); the surfaces of the spiral filter blades (15) are provided with filter holes (16) distributed in a circumferential array; the bottom surfaces of the positioning seats (12) are fixedly communicated with an air inlet sleeve (17); the peripheral side surfaces of the spiral filter blades (15) are attached to the air inlet sleeves (17) at corresponding positions;
the heat supply mechanism (6) comprises a mounting seat (18); the peripheral side surface of the mounting seat (18) is fixedly connected with the outer shell (1); the surface of the mounting seat (18) is respectively fixedly provided with a first electric heating tube (19) and a second electric heating tube (20); the peripheral side surface of the first electric heating tube (19) is fixedly connected with two V-shaped heat dissipation aluminum plates (21) which are symmetrically arranged; the surfaces of the two V-shaped heat dissipation aluminum plates (21) are fixedly connected with the second electric heating tube (20); the surfaces of the two V-shaped radiating aluminum plates (21) are provided with a group of radiating holes (22) distributed in a linear array.
2. The heating and ventilation device for the indoor space of the building, according to the claim 1, is characterized in that the inner wall of the outer shell (1) is fixedly provided with a reflection surrounding frame (23) corresponding to the position of the heating mechanism (6); a temperature controller (24) matched with the first electric heating tube (19) and the second electric heating tube (20) is fixedly arranged on the surface of the mounting seat (18); the first electric heating pipe (19) and the second electric heating pipe (20) are both of a continuous U-shaped structure.
3. The heating and ventilation device for the indoor space of the building as claimed in claim 1, wherein the detection end of the temperature sensor (8) extends to the inside of the air guide cavity (7); a control panel (25) is fixedly arranged on the surface of the outer shell (1) and corresponds to the position of the heat supply mechanism (6); the surface of the control panel (25) is respectively provided with a display screen and a control key.
4. The heating and ventilation device for the indoor space of the building as claimed in claim 1, wherein a hook (26) is fixedly arranged on the back of the outer shell (1); the bottom surface of the outer shell (1) is clamped with two bottom feet (27) through notches; the bottom surfaces of the two bottom feet (27) are fixedly connected with a group of universal casters.
5. The heating and ventilation device for the indoor space of the building as claimed in claim 1, wherein the ventilation hood (4) is fixedly communicated with a ventilation pipe (28) on the surface; the peripheral side surface of the ventilation pipe (28) is fixedly provided with a ventilation valve; the ventilation pipe (28) is arranged above the air inlet shutter assembly (3).
6. The heating and ventilation device for the building interior according to claim 1, wherein the air inlet louver assembly (3) and the air outlet louver assembly (2) each comprise a mounting frame; a group of shutter blades which are mutually connected through a chain are rotatably connected in the mounting frame; a driving motor is fixedly arranged in the mounting frame; one end of the output shaft of the driving motor is fixedly connected with one louver blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022122537.9U CN213178548U (en) | 2020-09-24 | 2020-09-24 | Indoor heating and ventilating device for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022122537.9U CN213178548U (en) | 2020-09-24 | 2020-09-24 | Indoor heating and ventilating device for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213178548U true CN213178548U (en) | 2021-05-11 |
Family
ID=75776275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022122537.9U Expired - Fee Related CN213178548U (en) | 2020-09-24 | 2020-09-24 | Indoor heating and ventilating device for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213178548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117889622A (en) * | 2024-03-18 | 2024-04-16 | 江苏零界科技集团有限公司 | Building timber drying device |
-
2020
- 2020-09-24 CN CN202022122537.9U patent/CN213178548U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117889622A (en) * | 2024-03-18 | 2024-04-16 | 江苏零界科技集团有限公司 | Building timber drying device |
| CN117889622B (en) * | 2024-03-18 | 2024-05-28 | 江苏零界科技集团有限公司 | Building timber drying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213178548U (en) | Indoor heating and ventilating device for building | |
| CN205747156U (en) | Intelligent fresh air ventilation heat exchange clearing machine | |
| CN207820348U (en) | A kind of automation control cabinet for thermal power plant | |
| CN113207269A (en) | Ventilation cabinet capable of achieving multi-angle ventilation | |
| CN206145769U (en) | Heating device | |
| CN219587808U (en) | Mute anti-upwind ventilator | |
| CN215412326U (en) | Energy-conserving ventilation structure for architectural design | |
| CN212179059U (en) | Industrial environmental protection and energy saving air-cooler | |
| CN113883641B (en) | Food-grade multi-air-inlet air-heat mixing double-system side-blowing high-speed air curtain | |
| CN214746229U (en) | Novel building energy-saving ventilation device | |
| CN205425207U (en) | Energy -conserving new trend of solar energy intelligence purifies casement | |
| CN213747032U (en) | Air conditioner indoor unit with electric heating structure | |
| CN213066427U (en) | Indoor sterilization, heating, ventilation and dust filtration device | |
| CN212299321U (en) | Indoor ventilation system | |
| CN211650630U (en) | Warm logical energy-saving equipment for building | |
| CN2813945Y (en) | Fresh air-changing fan for air conditioner | |
| CN110160195B (en) | Building ventilation energy-saving fan | |
| CN220507824U (en) | Adjustable ventilation heat abstractor in cooling tower bottom | |
| CN211503136U (en) | Three-dimensional air-out formula new trend system that encircles of intelligence | |
| CN220453923U (en) | Radiation air conditioner with internal and external heat radiation structure | |
| CN216114651U (en) | Energy-saving environment-friendly heating ventilation air conditioning device | |
| CN221757365U (en) | Dustproof heat dissipation fills electric pile | |
| CN220286071U (en) | Air conditioner air-out device | |
| CN219103270U (en) | Fresh air system window | |
| CN216204033U (en) | Adjustable indoor ventilation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |