CN211146690U - Fresh air volume adjustable air conditioner - Google Patents

Fresh air volume adjustable air conditioner Download PDF

Info

Publication number
CN211146690U
CN211146690U CN201922062922.6U CN201922062922U CN211146690U CN 211146690 U CN211146690 U CN 211146690U CN 201922062922 U CN201922062922 U CN 201922062922U CN 211146690 U CN211146690 U CN 211146690U
Authority
CN
China
Prior art keywords
air
fresh air
air inlet
flat
fresh
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
Application number
CN201922062922.6U
Other languages
Chinese (zh)
Inventor
陈乾
钟小普
金珍
毛旭敏
刘子晗
杨学蒙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
719th Research Institute of CSIC
Original Assignee
719th Research Institute of CSIC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 719th Research Institute of CSIC filed Critical 719th Research Institute of CSIC
Priority to CN201922062922.6U priority Critical patent/CN211146690U/en
Application granted granted Critical
Publication of CN211146690U publication Critical patent/CN211146690U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

The utility model relates to an air conditioner with adjustable fresh air volume. Specifically, the fresh air quantity adjustable air conditioner comprises a shell and an air supply assembly, wherein a fresh air inlet, a return air inlet and an air outlet are formed in the shell, and the air supply assembly enables air flow to enter the shell from the fresh air inlet and the return air inlet and flow out of the shell through the air outlet. The device also comprises an adjusting slide sheet and an actuating mechanism. The fresh air inlet is arranged on one side of the return air inlet. The adjusting slip sheet is arranged on the shell and is driven by the actuating mechanism to reciprocate between the fresh air inlet and the return air inlet so as to adjust the fresh air ratio of the inlet air of the air conditioner. The embodiment of the utility model provides a drive through actuating mechanism and adjust the gleitbretter reciprocating motion between fresh air inlet and return air inlet, adjust the new trend and compare, the new trend can realize following 0% to 100%, simple structure, simple to operate than.

Description

Fresh air volume adjustable air conditioner
Technical Field
The utility model belongs to the technical field of air conditioner equipment, concretely relates to new amount of wind adjustable air conditioner.
Background
Currently, an air conditioner, which is a kind of home appliance, has been gradually applied to various general households. The air conditioner comprises an indoor unit and an outdoor unit, and cold or heat is provided for the indoor through blowing cold or hot air from an air outlet in the existing air conditioner; the existing air conditioners do not have the function of providing fresh air to the indoor space, and the indoor air is used for circulating refrigeration or heating all the time, but after long-time air circulation, the indoor air can gradually become anoxic and turbid due to the fact that the indoor air cannot be replaced, and the air conditioners are very unfavorable for physical and psychological health of people.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the problem that the existing air conditioner cannot provide fresh air is solved, and the air conditioner with the adjustable fresh air volume is provided.
In order to solve the technical problem, an embodiment of the present invention provides an air conditioner with adjustable fresh air volume, which includes a housing and an air supply assembly, wherein the housing is provided with a fresh air inlet, a return air inlet and an air outlet, and the air supply assembly promotes air flow to enter the housing from the fresh air inlet and the return air inlet and flow out of the housing through the air outlet; the device also comprises an adjusting slide sheet and an actuating mechanism;
the fresh air inlet is arranged on one side of the air return inlet;
the adjusting slide sheet is arranged on the shell and driven by the actuating mechanism to reciprocate between the fresh air inlet and the return air inlet so as to adjust the fresh air ratio of the inlet air of the air conditioner.
Optionally, the casing and the air supply assembly constitute a cross-flow fan, the casing is a volute and a volute tongue of the cross-flow fan, and the air supply assembly is an impeller of the cross-flow fan; the fresh air inlet and the return air inlet are arranged on the volute, and the volute tongue limit the air outlet.
Optionally, the arc and radian of the fresh air inlet, the air return inlet and the adjusting slide sheet are consistent, so that the adjusting slide sheet rotates between the fresh air inlet and the air return inlet in a reciprocating manner.
Optionally, the two executing mechanisms are electric actuators and are installed at two ends of the inner side of the shell, and two ends of the adjusting slide are respectively connected with the two executing mechanisms;
the air conditioner further comprises a fresh air buffer cavity, the fresh air buffer cavity is arranged on the outer side of the fresh air port, and one end of the fresh air buffer cavity is connected with a fresh air pipe.
Optionally, the air conditioner further comprises a fresh air filter, one end of the fresh air filter is connected with the fresh air port through a fresh air pipe, and the other end of the fresh air filter is communicated with the outside through the fresh air pipe.
Optionally, an auxiliary fan is arranged in the fresh air filter, and a pressure sensor is arranged in the fresh air inlet to control the rotating speed of the auxiliary fan according to the detection value of the pressure sensor, so that the pressure of the fresh air inlet is kept consistent with that of the return air inlet.
Optionally, the air conditioner further comprises an air conditioner evaporator, and the air conditioner evaporator is installed between the air supply assembly and the air outlet.
Optionally, the air conditioner further includes a target gas detector for detecting a concentration of a target gas, and the target gas detector is installed at the air outlet to adjust a fresh air ratio according to the concentration of the target gas.
Optionally, the air conditioner evaporator comprises: the first collecting pipe and the second collecting pipe are arranged in parallel;
each first flat pipe group comprises a plurality of first flat pipes which are uniformly distributed on the first collecting pipe along the circumferential direction of the first collecting pipe; the plurality of first flat pipe groups are sequentially arranged along the axial direction of the first collecting pipe;
each second flat pipe group comprises a plurality of second flat pipes which are uniformly distributed on the second collecting pipe along the circumferential direction of the second collecting pipe; the plurality of second flat pipe groups are sequentially arranged along the axial direction of the second collecting pipe; and
a plurality of connection flat tube group, every connect flat tube group including a plurality of flat tube of connection, every it connects one to connect flat tube first flat pipe and one the flat pipe of second.
Optionally, in every two adjacent first flat pipe groups, a plurality of first flat pipes in one first flat pipe group and a plurality of first flat pipes in the other first flat pipe group are alternately arranged along the circumferential direction of the first collecting pipe;
in every two adjacent second flat pipe groups, a plurality of second flat pipes in one second flat pipe group and a plurality of second flat pipes in the other second flat pipe group are alternately arranged along the circumferential direction of the second collecting pipe.
The utility model discloses fresh air volume adjustable air conditioner, through actuating mechanism drives adjust the gleitbretter and be in the fresh air mouth with reciprocating motion between the return air inlet, in order to change the fresh air mouth with the size of return air inlet changes and gets into fresh air volume and return air volume in the casing adjust the new trend and compare, and the new trend is than (the fresh air volume accounts for the proportion of total return air promptly) can realize following 0% to 100%. The user can freely set the fresh air ratio according to personal requirements, or automatically adjust the concentration of the air supply target pollutant at the air outlet according to the air conditioner.
The utility model discloses fresh air volume adjustable air conditioner simple structure, simple to operate easily reequips on the prototype basis that is applicable, and the range of application is wide, and is applicable to columniform wall-hanging or cabinet air conditioner.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural diagram according to an embodiment of the present invention;
fig. 2 is a schematic view of the mounting structure of the adjusting slide according to an embodiment of the present invention;
fig. 3 is a schematic view of a partial cross-sectional structure of a housing according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an air conditioner evaporator according to an embodiment of the present invention;
fig. 5 is a partial structural schematic diagram of an air conditioner evaporator according to an embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic structural diagram of an air conditioner with an adjustable fresh air volume according to an embodiment of the present invention. As shown in fig. 1, the embodiment of the utility model provides an air conditioner with adjustable fresh air volume, including casing 1 and air supply assembly, be provided with fresh air inlet 2, return air inlet 3 and air outlet 4 on casing 1, air supply assembly 7 makes the air current get into casing 1 from fresh air inlet 2 and return air inlet 3 to flow out casing 1 via air outlet 4. The air conditioner further comprises an adjusting slip sheet 5 and an executing mechanism 6, the fresh air inlet 2 is arranged on one side of the air return inlet 3, the adjusting slip sheet 5 is installed on the shell 1 and moves back and forth between the fresh air inlet 2 and the air return inlet 3 under the driving of the executing mechanism 6 so as to adjust the fresh air ratio of the air inlet of the air conditioner.
The fresh air ratio, i.e. the ratio of the fresh air quantity entering the housing 1 from the fresh air inlet 2 to the total return air quantity entering the housing 1 from the fresh air inlet 2 and the return air inlet 3, can be realized from 0% to 100%. The actuating mechanism 6 drives the adjusting sliding sheet 5 to reciprocate between the fresh air inlet 2 and the return air inlet 3, when the adjusting sliding sheet 5 completely blocks the fresh air inlet 2, the fresh air ratio is 0%, at the moment, the air conditioner operates in an internal circulation mode, and air flow enters the shell 1 from the return air inlet 3 and flows out of the air outlet 4. When the adjusting slide sheet 5 completely blocks the return air inlet 3, the fresh air ratio is 100%, the air conditioner operates in an external circulation mode, and air flow enters the shell 1 from the fresh air inlet 2 and flows out from the air outlet 4. The air conditioner drives the adjusting slide sheet 5 to reciprocate between the fresh air inlet 2 and the return air inlet 3 through the actuating mechanism 6, so that the indoor fresh air ratio is changed, fresh air is provided indoors, and indoor air is replaced.
In one embodiment, the casing 1 and the air supply assembly 7 form a cross-flow fan, the casing 1 is a volute and a volute tongue of the cross-flow fan, and the air supply assembly 7 is an impeller of the cross-flow fan. The volute is provided with a fresh air inlet 2 and a return air inlet 3, and the volute tongue define an air outlet 4.
As shown in fig. 2 and 3, in one embodiment, the fresh air inlet 2, the return air inlet 3 and the adjusting slide 5 have the same arc shape and arc degree, so that the adjusting slide 5 is reciprocally rotated between the fresh air inlet 2 and the return air inlet 3. As shown in fig. 2, in an embodiment, the actuator 6 is an electric actuator, two actuators 6 are provided and are installed at two ends of the inner side of the housing 1, and two ends of the adjusting slide 5 are respectively connected with the two actuators 6. The air conditioner further comprises a fresh air buffer cavity 8, the fresh air buffer cavity 8 is arranged on the outer side of the fresh air port 2, and one end of the fresh air buffer cavity 8 is connected with a fresh air pipe 9.
In order to guarantee that the fresh air and the return air can smoothly enter the shell 1, the fresh air inlet 2 and the return air inlet 3 are arranged along the length direction of the shell 1, the lengths of the fresh air inlet 2 and the return air inlet 3 are slightly shorter than that of the shell 1, the two actuating mechanisms 6 are arranged at two ends of the inner side of the shell 1, two ends of the adjusting sliding piece 5 are respectively connected with the two actuating mechanisms 6, the two actuating mechanisms 6 drive the adjusting sliding piece 5 to rotate, and then the fresh air inlet 2 or the return air inlet 3 is shielded to adjust the fresh air ratio. The outside of the fresh air inlet 2 is provided with a fresh air buffer cavity 8 which buffers the flow velocity and pressure of the air flowing out of the fresh air pipe 9 and simultaneously homogenizes the fresh air quantity in the length direction of the fresh air inlet 2.
As shown in fig. 1, in an embodiment, the air conditioner further includes a fresh air filter 10, one end of the fresh air filter 10 is connected to the fresh air inlet 2 through a fresh air duct 9, and the other end of the fresh air filter 10 is communicated with the outside through the fresh air duct 9. The air conditioner is installed indoor, and fresh air filter 10 one end and external intercommunication introduce outdoor new trend, and fresh air filter 10 filters the dust removal to the new trend of introducing, guarantees the cleanliness factor of the new trend of introducing, and during clean new trend gets into new trend buffering cavity 8 through fresh air pipe 9 of the fresh air filter 10 other end, in getting into casing 1 from new trend wind gap 2 then, accomplish the introduction of new trend.
In an embodiment, an auxiliary fan is disposed in the fresh air filter 10, and a pressure sensor 11 is disposed in the fresh air inlet 2 to control the rotation speed of the auxiliary fan according to the detection value of the pressure sensor 11, so that the pressure at the fresh air inlet 2 and the pressure at the return air inlet 3 are kept consistent.
In order to compensate the extra wind resistance brought by the fresh air filter 10, an auxiliary fan is arranged in the fresh air filter 10 to accelerate the introduction of fresh air. The new trend gets into from new trend tuber pipe 9 and filters through new trend filter 10 and then enters into new trend buffer cavity 8 through new trend tuber pipe 9 in, new trend filter 10 is used for filtering the purification of new trend, has great resistance, has reduced the velocity of flow and the flow of new trend, sets up auxiliary blower, provides extra power for the new trend, makes it can accelerate through new trend filter 10.
As shown in fig. 1, a pressure sensor 11 is installed in the fresh air inlet 2, preferably, the pressure sensor 11 is arranged at a junction of the fresh air duct 9 and the fresh air buffer cavity 8, and is used for checking a pressure value of the fresh air, and adjusting a rotation speed of the auxiliary fan according to the pressure value detected by the pressure sensor 11, if the rotation speed of the auxiliary fan is too low, an extra air resistance caused by the fresh air filter 10 cannot be compensated, the fresh air amount is insufficient, if the rotation speed of the auxiliary fan is too high, the air amount introduced into the casing 1 is increased, the pressure in the casing 1 is large, the air return amount in the air return inlet 3 is reduced, and the formation of the internal circulation of the air. The rotation speed of the auxiliary fan is determined according to the detection value of the pressure sensor 11, so that the pressure at the fresh air inlet 2 and the return air inlet 3 is kept consistent.
In one embodiment, the air conditioner further includes a target gas detector 13 for detecting the concentration of the target gas, and the target gas detector 13 is installed at the outlet 4 to adjust the fresh air ratio according to the concentration of the target gas. The target gas detector 13 is for detecting the concentration of the target gas as CO2For example, set a CO2Concentration threshold value, when the target gas detector 13 detects CO in the air supply airflow flowing out from the air outlet 42When the concentration exceeds the threshold value, the CO in the indoor air is indicated2The concentration is higher, need introduce the new trend, operation actuating mechanism 6 rotates regulation gleitbretter 5 in order to adjust the rotation angle of regulation gleitbretter 5, reduces the sheltering from of regulation gleitbretter 5 to new trend 2, introduces the new trend from new trend 2 to indoor, increases the new amount of wind, when continuing to rotate regulation gleitbretter 5 and blocking return air inlet 3 completely, the air conditioner is the extrinsic cycle mode, and the air current that flows out from air outlet 4 is the new trend that introduces from outdoor completely, reduces indoor CO2The concentration of (c).
After the fresh air is introduced into the room for a certain time, the actuating mechanism 6 can be operated to adjust the position of the adjusting slip sheet 5, so that the adjusting slip sheet shields the fresh air inlet 2, the amount of the fresh air introduced into the room is reduced, the amount of the return air entering from the return air inlet 3 is increased, the internal circulation mode of the air conditioner is operated, the introduction of the amount of the fresh air is reduced, and the operation cost of the introduced fresh air is reduced. When the adjusting slide sheet 5 completely shields the fresh air port 2, the air flow entering the shell 1 is completely composed of return air, and the executing mechanism 6 can be operated again to adjust the fresh air ratio when the concentration of the target gas exceeds the standard.
In one embodiment, the air conditioner further comprises an air conditioner evaporator 12, and the air conditioner evaporator 12 is installed between the air supply assembly 7 and the air outlet 4 and used for heat exchange of air flow in the casing 1.
As shown in fig. 4 and 5, in an embodiment, the air conditioner evaporator 12 includes a first header 121 and a second header 122 arranged in parallel, a plurality of first flat tube groups, a plurality of second flat tube groups, and a plurality of connection flat tube groups. Each first flat pipe group comprises a plurality of first flat pipes 123 uniformly distributed on the first collecting pipe 121 along the circumferential direction of the first collecting pipe 121, and the plurality of first flat pipe groups are sequentially arranged along the axial direction of the first collecting pipe 121. Each second flat tube group comprises a plurality of second flat tubes 124 uniformly distributed on the second collecting pipe 122 along the circumferential direction of the second collecting pipe 122. The plurality of second flat tube groups are sequentially arranged in the axial direction of the second header 122. Each flat connecting pipe group comprises a plurality of flat connecting pipes 125, and each flat connecting pipe 125 is connected with a first flat pipe 123 and a second flat pipe 124. Further, in every two adjacent first flat tube groups, the plurality of first flat tubes 123 in one first flat tube group 123 and the plurality of first flat tubes 123 in the other first flat tube group are alternately arranged along the circumferential direction of the first collecting pipe 121. In each two adjacent second flat tube groups, the plurality of second flat tubes 124 in one second flat tube group and the plurality of second flat tubes 124 in the other second flat tube group are alternately arranged along the circumferential direction of the second collecting pipe 122. The axial direction of the collecting pipe can be along the air outlet direction of the air conditioner, and the width direction of the flat pipe is preferably along the air outlet direction of the air conditioner. Further, the first flat pipe 123, the second flat pipe 124 and the connecting flat pipe 125 can be provided with fins. Obviously, the heat exchange efficiency of the air conditioner can be improved, and the air conditioner is miniaturized. In other embodiments, the air conditioner evaporator 12 may also be a finned tube heat exchanger.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. An air conditioner with adjustable fresh air volume comprises a shell and an air supply assembly, wherein a fresh air inlet, a return air inlet and an air outlet are formed in the shell, and the air supply assembly enables air flow to enter the shell from the fresh air inlet and the return air inlet and flow out of the shell through the air outlet; the device is characterized by also comprising an adjusting slide sheet and an actuating mechanism;
the fresh air inlet is arranged on one side of the air return inlet;
the adjusting slide sheet is arranged on the shell and driven by the actuating mechanism to reciprocate between the fresh air inlet and the return air inlet so as to adjust the fresh air ratio of the inlet air of the air conditioner.
2. The air conditioner of claim 1, wherein the casing and the air supply assembly constitute a cross flow fan, the casing is a volute and a volute tongue of the cross flow fan, and the air supply assembly is an impeller of the cross flow fan; the fresh air inlet and the return air inlet are arranged on the volute, and the volute tongue limit the air outlet.
3. The air conditioner of claim 1, wherein the fresh air inlet, the return air inlet and the adjusting slide piece have the same arc shape and arc degree, so that the adjusting slide piece can rotate back and forth between the fresh air inlet and the return air inlet.
4. The air conditioner with the adjustable fresh air volume as claimed in claim 1, wherein the actuator is an electric actuator, two actuators are provided and are mounted at two ends of the inner side of the casing, and two ends of the adjusting slide are respectively connected with the two actuators;
the air conditioner further comprises a fresh air buffer cavity, the fresh air buffer cavity is arranged on the outer side of the fresh air port, and one end of the fresh air buffer cavity is connected with a fresh air pipe.
5. The air conditioner of claim 1, further comprising a fresh air filter, wherein one end of the fresh air filter is connected to the fresh air inlet through a fresh air duct, and the other end of the fresh air filter is communicated with the outside through a fresh air duct.
6. The air conditioner of claim 5, wherein an auxiliary fan is disposed in the fresh air filter, and a pressure sensor is disposed in the fresh air inlet to control the rotation speed of the auxiliary fan according to the detection value of the pressure sensor, so that the pressure at the fresh air inlet and the pressure at the return air inlet are kept consistent.
7. The air conditioner of claim 1, further comprising an air conditioner evaporator, wherein the air conditioner evaporator is installed between the air supply assembly and the air outlet.
8. The air conditioner of claim 1, further comprising a target gas detector for detecting a concentration of a target gas, wherein the target gas detector is installed at the air outlet to adjust a fresh air ratio according to the concentration of the target gas.
9. The air conditioner of claim 7, wherein the air conditioner evaporator comprises:
the first collecting pipe and the second collecting pipe are arranged in parallel;
each first flat pipe group comprises a plurality of first flat pipes which are uniformly distributed on the first collecting pipe along the circumferential direction of the first collecting pipe; the plurality of first flat pipe groups are sequentially arranged along the axial direction of the first collecting pipe;
each second flat pipe group comprises a plurality of second flat pipes which are uniformly distributed on the second collecting pipe along the circumferential direction of the second collecting pipe; the plurality of second flat pipe groups are sequentially arranged along the axial direction of the second collecting pipe; and
a plurality of connection flat tube group, every connect flat tube group including a plurality of flat tube of connection, every it connects one to connect flat tube first flat pipe and one the flat pipe of second.
10. The air conditioner with adjustable fresh air volume according to claim 9,
in every two adjacent first flat pipe groups, a plurality of first flat pipes in one first flat pipe group and a plurality of first flat pipes in the other first flat pipe group are alternately arranged along the circumferential direction of the first collecting pipe;
in every two adjacent second flat pipe groups, a plurality of second flat pipes in one second flat pipe group and a plurality of second flat pipes in the other second flat pipe group are alternately arranged along the circumferential direction of the second collecting pipe.
CN201922062922.6U 2019-11-26 2019-11-26 Fresh air volume adjustable air conditioner Active CN211146690U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922062922.6U CN211146690U (en) 2019-11-26 2019-11-26 Fresh air volume adjustable air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922062922.6U CN211146690U (en) 2019-11-26 2019-11-26 Fresh air volume adjustable air conditioner

Publications (1)

Publication Number Publication Date
CN211146690U true CN211146690U (en) 2020-07-31

Family

ID=71774691

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922062922.6U Active CN211146690U (en) 2019-11-26 2019-11-26 Fresh air volume adjustable air conditioner

Country Status (1)

Country Link
CN (1) CN211146690U (en)

Similar Documents

Publication Publication Date Title
CN104501317A (en) Outdoor heat exchange structure for bidirectional air suction type air conditioner
CN209605340U (en) The central unpowered New-air purifying system of cloud
CN110848797A (en) Indoor unit of air conditioner
CN210951556U (en) Indoor unit of air conditioner
CN2670811Y (en) Indoor air exchanger
CN211146690U (en) Fresh air volume adjustable air conditioner
CN213300238U (en) Air conditioner indoor unit and air conditioner
CN108548224A (en) Fan-coil device
CN209944527U (en) Wall-mounted unit with upper air outlet and lower air outlet and air conditioner
CN106440065A (en) Wall-hanging air-conditioner indoor unit and air-conditioner
CN115111653A (en) Air conditioner
CN101639288A (en) High-temperature air source heat pump air heater with evaporator with adjustable heat exchange capability
CN2341063Y (en) Energy saving airing and air conditioning apparatus with horizontal heat pipe
Babota Mechanical Ventilation Systems with Heat Recovery for Refurbishment Projects and New Buildings
CN217785401U (en) Total heat exchange fresh air fan
CN206291414U (en) Air-conditioning system and aeration device
CN2665581Y (en) Bidirectional ventilation fan
CN216159205U (en) Fresh air ventilation intelligent switching device
CN221098853U (en) Pipeline multistage refrigeration fresh air system
CN211041159U (en) Indoor unit of air conditioner
CN102679503A (en) Indoor heat exchange control method
CN215570846U (en) Indoor cabinet air conditioner
CN212227336U (en) Novel energy-saving air conditioner for machine room
CN101846363A (en) Outdoor side structure of window type air conditioner
CN203848450U (en) Low energy consumption indoor fresh air exchange device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant