CN207196630U - Air conditioner indoor unit and air conditioner - Google Patents
Air conditioner indoor unit and air conditioner Download PDFInfo
- Publication number
- CN207196630U CN207196630U CN201720407104.3U CN201720407104U CN207196630U CN 207196630 U CN207196630 U CN 207196630U CN 201720407104 U CN201720407104 U CN 201720407104U CN 207196630 U CN207196630 U CN 207196630U
- Authority
- CN
- China
- Prior art keywords
- air
- blower fan
- internal machine
- mode
- difference
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004378 air conditioning Methods 0.000 claims description 85
- 238000010586 diagram Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model provides an air conditioner internal unit and air conditioner, it relates to air conditioner technical field, the air conditioner internal unit includes: the air duct is provided with an air outlet and an air return inlet at two ends respectively; the fan can rotate anticlockwise and clockwise, is arranged in the air duct and has at least two working modes, and in the first working mode, the fan can enable airflow to flow from the air outlet to the air return inlet for supplying air; and in the second working mode, the fan can enable the airflow to supply air to the air outlet from the air return inlet. The utility model provides an air conditioner internal unit and air conditioner can blow away the plug of the return air inlet department in wind channel, and then the effectual problem of solving the air conditioner internal unit return air inlet jam.
Description
Technical field
Field of air conditioning is the utility model is related to, in particular to a kind of air-conditioning internal machine and air-conditioning.
Background technology
Current most of room air conditioners are installed on wall or established on the ground, because interior there may be rubbish
Rubbish or lint dust etc., the return air inlet of room air conditioner can be at work is emptied gaseity, therefore after a certain time,
Rubbish or lint dust and other impurities, which may assemble, to be adsorbed indoors on the separator at the return air inlet of air conditioner.Then, room
Clogging occurs at the return air inlet of interior air conditioner, especially when plastic bag, paper adsorption are when on return air inlet, return air inlet
Stopping state can become extremely serious, greatly reduce the runnability of air-conditioning.
There is certain logic control inside usual air-conditioning, and then unit is stopped, then sky after waiting for a period of time
Tune is run again.But in this mode of operation, the return air inlet of room air conditioner is still in blocked state, and air-conditioner set exists
Stoppage protection occurs again after operation a period of time, so repeatedly, the service life and output that so not only have impact on unit are imitated
Fruit, and greatly reduce user and use the comfortableness in air-conditioning process.
Utility model content
The utility model aims to provide a kind of air-conditioning internal machine and air-conditioning that can effectively solve return air inlet blockage problem.
The utility model provides a kind of air-conditioning internal machine, including：
Air channel, the both ends in the air channel have air outlet and return air inlet respectively；
Can rotate counterclockwise and the blower fan that turns clockwise, the blower fan is arranged in the air channel, the blower fan tool
There are at least two mode of operations, in the first mode of operation, the blower fan can make air-flow flow to the return air from the air outlet
Mouth air-supply；In the second mode of operation, the blower fan can make air-flow be blown from the return air inlet to the air outlet.
In one preferred embodiment, the blower fan includes motor and the blade being connected with the motor, described
Motor can carry out bidirectional rotation under different electric currents.
In one preferred embodiment, the return air inlet in the air channel, which is provided with, prevents tamper from entering the air channel
Separator.
In one preferred embodiment, in the second mode of operation, the air-conditioning internal machine can be obtained in the blower fan
The current fortune of the actual motion electric current of the blower fan, Rated motor power output and blower fan during in the second mode of operation
Row voltage, and then the ratio of the Rated motor power output and current running voltage is obtained, the blower fan is obtained according to ratio
Actual motion electric current and the ratio difference, the size of difference and the first preset value is judged, when the difference is pre- more than first
If during value, the blower fan is switched to the first mode of operation by the air-conditioning internal machine from the second mode of operation.
In one preferred embodiment, when the difference is more than the first preset value, it is poor that the air-conditioning internal machine judges
Value and the size of the second preset value, when difference is less than second preset value, the air-conditioning internal machine adjusts turning for the blower fan
Speed value is so that tachometer value is in the first scope.
In one preferred embodiment, when the difference is more than the first preset value, it is poor that the air-conditioning internal machine judges
Value and the size of the second preset value, when difference is more than second preset value, the air-conditioning internal machine judges difference and the 3rd pre-
If the size of value, when difference is less than three preset value, the air-conditioning internal machine adjusts the tachometer value of the blower fan so as to turn
Speed value is in the second scope.
In one preferred embodiment, when the difference is more than the first preset value, it is poor that the air-conditioning internal machine judges
Value and the size of the second preset value, when difference is more than second preset value, the air-conditioning internal machine judges difference and the 3rd pre-
If the size of value, when difference is more than three preset value, the air-conditioning internal machine adjusts the tachometer value of the blower fan so as to turn
Speed value is in the 3rd scope.
In one preferred embodiment, after the blower fan switches to the first mode of operation from the second mode of operation,
The blower fan is in after the first mode of operation reaches the first preset time, and the blower fan switches to the second work from the first mode of operation
Operation mode.
In one preferred embodiment, in the second preset time, the blower fan switches to from the second mode of operation
When the number of first mode of operation reaches preset times, the air-conditioning signal out of service that is concurrently out of order.
A kind of air-conditioning, the air-conditioning include any of the above-described described air-conditioning internal machine.
According to air-conditioning internal machine of the present utility model, being provided with the air channel of air-conditioning internal machine being capable of rotate counterclockwise and up time
Pin rotation blower fan, by the use of air-conditioning internal machine blower fan actual motion electric current as judge, when current value rising reach certain journey
When spending, then it is assumed that the return air inlet in the air channel of air-conditioning internal machine blocks, and then by blower fan from air-flow is made from the return air inlet to institute
The second mode of operation for stating air outlet air-supply switches to the first work for making air-flow flow to the return air inlet air-supply from the air outlet
Operation mode, so as to which the tamper at the return air inlet in air channel be blown away, and then effectively solves the problems, such as return air inlet blocking.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing further understanding to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model.In accompanying drawing
In：
Fig. 1 is the schematic diagram in the second mode of operation according to air-conditioning internal machine of the present utility model；
Fig. 2 is the schematic diagram in the first mode of operation according to air-conditioning internal machine of the present utility model；
Fig. 3 is the step schematic diagram according to the operational control of idle call of the present utility model；
Fig. 4 is the logical schematic according to the operational control of idle call of the present utility model.
Description of reference numerals：
10th, air channel；11st, air outlet；12nd, return air inlet；20th, blower fan；30th, tamper；40th, separator.
Embodiment
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1 and Figure 2, according to schematic diagram of the air-conditioning internal machine of the present utility model in the second mode of operation and according to
Schematic diagram of the air-conditioning internal machine of the present utility model in the first mode of operation, one kind is proposed in embodiment of the present utility model
Air-conditioning internal machine, air-conditioning internal machine include：Air channel 10, the both ends in air channel 10 have air outlet 11 and return air inlet 12 respectively；Being capable of the inverse time
The blower fan 20 that pin rotates and turned clockwise, blower fan 20 are arranged in air channel 10, and blower fan 20 has at least two mode of operations,
During the first mode of operation, blower fan 20 can make air-flow flow to return air inlet 12 from air outlet 11 to blow；In the second mode of operation, blower fan
20 can make air-flow be blown from return air inlet 12 to air outlet 11.
In air-conditioning internal machine normal work, the return air inlet 12 in air channel 10 is used for the air for sucking interior, and air channel 10 goes out
Air port 11 is then used for the air for being discharged from the suction of return air inlet 12.The blower fan 20 produced to air suction is provided with air channel 10,
Blower fan 20 can include motor and the blade being connected with motor, and the motor can carry out bidirectional rotation under different electric currents, from
And enable and the rotate counterclockwise of blower fan 20 and turn clockwise.Can be provided with the return air inlet 12 in air channel 10 prevents from blocking
Thing 30 enters the separator 40 in air channel 10, and separator 40 can be gauze or plastic dam etc. with grid, in this way, can be with
Ensure the smooth rotation of blower fan 20, avoid tamper 30 from traveling further into air channel 10 and together with being stirred with the blade of blower fan 20.
Due to be provided with the air channel 10 of air-conditioning internal machine can rotate counterclockwise and the blower fan 20 that turns clockwise, work as air-conditioning
When interior machine is in normal work, the operation of blower fan 20 is in the second mode of operation, and blower fan 20 makes air-flow from return air inlet 12 to air outlet
11 air-supplies.Actual motion electric current by the use of the blower fan 20 of air-conditioning internal machine is as the return air inlet 12 in the air channel 10 for judging air-conditioning internal machine
It is no to block, when current value, which rises, to be reached to a certain degree, then it is assumed that the return air inlet 12 in the air channel 10 of air-conditioning internal machine blocks up
Plug, and then the rotation direction of blower fan 20 is inverted, switching to blower fan 20 makes air-flow flow to return air inlet 12 from air outlet 11 to blow
The first mode of operation, so that the tamper 30 at the return air inlet 12 in air channel 10 be blown away, and then effectively solve return air inlet
The problem of 12 blocking.In this way, can not only ensure the service life and output effect of air-conditioner set, but also user can be ensured
Using the comfortableness in air-conditioning process, air-conditioning is avoided to occur shutting down without freezing or heating.
A kind of air-conditioning is also proposed in embodiment of the present utility model, air-conditioning includes any of the above-described air-conditioning internal machine.
As shown in figure 3, according to the step schematic diagram of the operational control of idle call of the present utility model, the operation of the idle call
Control can be as follows：
Air-conditioning is first in the second mode of operation after powering, and in the second mode of operation, air-conditioning internal machine is obtained in blower fan 20
The current operation electricity of the actual motion electric current of blower fan 20, Rated motor power output and blower fan 20 during in the second mode of operation
Pressure.During sheet, when air-conditioning is in normal operating condition, blower fan 20 is in the second mode of operation, i.e. blower fan 20 can make gas
Stream is blown from return air inlet 12 to air outlet 11.
The ratio of Rated motor power output and current running voltage is obtained, the actual motion of blower fan 20 is obtained according to ratio
The difference of electric current and the ratio.
Judge the size of difference and the first preset value, when difference is more than the first preset value, blower fan 20 is worked from second
Pattern switching is to the first mode of operation.During sheet, if the return air inlet 12 in air-conditioning internal machine air channel 10 blocks, due to return air
Mouth 12 blocks, and the increase of air flow field resistance, causes the increase of the input power of blower fan 20, because the voltage of blower fan 20 is constant, wind
Rising occurs in the electric current of machine 20.After the electric current of blower fan 20, which rises, reaches certain value, the difference being calculated just occurs greatly
In the first preset value, as shown in figure 4, according to the logical schematic of the operational control of idle call of the present utility model, for example, first
Preset value can be the baseline values A0 of setting, and the ratio of Rated motor power output and current running voltage is Ap, motor
Actual motion electric current is A.Now system thinks that the return air inlet 12 in air-conditioning internal machine air channel 10 blocks, by blower fan 20 from the second work
Operation mode switches to the first mode of operation, so that blower fan 20 rotates backward, the tamper 30 of return air inlet 12 is blown away, so as to more have
Effect solves the problems, such as the blocking of return air inlet 12.In this process, when the difference being calculated just occurs more than the first preset value
When, because blower fan 20 inverts, stopping signal is can be sent out, to control air-conditioning to stop the of short duration time, and without heating or making
Cold etc., air-conditioning is further continued for being freezed or freezed after blower fan 20 rotates backward and blows away the tamper 30 of return air inlet 12.
As shown in figure 4, when difference is more than the first preset value, the size of difference and the second preset value is judged, when difference is small
When the second preset value, the tachometer value of blower fan 20 is adjusted, tachometer value is in the first scope.For example, the second preset value can be
A1, it is more than the first preset value A0, and now air-conditioning system thinks that the return air inlet 12 of air channel 10 blocks, but stopping state is lighter,
Therefore, adjusting the tachometer value of blower fan 20 makes the motor of blower fan 20 be in inverted running under the first scope of the slow-speed of revolution, and then can be with
Can blows away tamper 30 under less wind-force, can so reduce the noise intensity that air-conditioning is sent and reach using electricity wisely
Purpose.
As shown in figure 4, when difference is more than the first preset value, the size of difference and the second preset value is judged, when difference is big
When the second preset value, the size of difference and the 3rd preset value is judged, when difference is less than three preset values, regulation blower fan 20
Tachometer value, tachometer value is set to be in the second scope.For example, the 3rd preset value can be A2, it is more than the second preset value A1, this space-time
Adjusting system thinks that the return air inlet 12 of air channel 10 blocks, but stopping state is in medium, and therefore, the tachometer value of regulation blower fan 20 makes
The motor of blower fan 20 is in inverted running under the second scope of middle rotating speed, and then can increase a certain degree of wind-force, so that wind
Tamper 30 at the return air inlet 12 of road 10 is blown away.
As shown in figure 4, when difference is more than the first preset value, the size of difference and the second preset value is judged, when difference is big
When the second preset value, the size of difference and the 3rd preset value is judged, when difference is more than three preset values, regulation blower fan 20
Tachometer value, tachometer value is set to be in the 3rd scope.Now air-conditioning system thinks that the return air inlet 12 of air channel 10 blocks, stopping state compared with
To be serious, therefore, the tachometer value of regulation blower fan 20 makes the motor of blower fan 20 be in inverted running under high-revolving 3rd scope, enters
And allow blower fan 20 to export larger or maximum wind-force, so as to farthest ensure at the return air inlet 12 of air channel 10
Tamper 30 can be blown away.
After blower fan 20 switches to the first mode of operation from the second mode of operation, blower fan 20 is in the first mode of operation and reached
After first preset time, the first preset time can be several minutes of setting, now, the tamper 30 at the return air inlet 12 of air channel 10
It has been be blown away that, then blower fan 20 is switched into the second mode of operation from the first mode of operation, so that air-conditioning again is at normally
Running status.
In a kind of feasible embodiment, in the second preset time, blower fan 20 switches to from the second mode of operation
When the number of one mode of operation reaches preset times, by the air-conditioning signal out of service that is concurrently out of order.In the present embodiment,
Two preset times can be a few hours of setting, if air-conditioner set occurs repeatedly in the second preset time from the second mode of operation
The first mode of operation is switched to, the interior machine of air-conditioning is likely to be in the case that the plug thing 30 that is often blocked blocks or blower fan 20 is in
The plug thing 30 that will thoroughly can not be blocked under reversion is removed, now can be by the air-conditioning signal out of service that is concurrently out of order completely, failure
Signal can be that the signal that return air inlet 12 blocks is reminded, and remind the user that and return air inlet 12 is artificially cleared up, to ensure sky
Machine may be in the state of good operation in tune.
Air-conditioning in the application is by the use of the actual motion electric current of the blower fan 20 of air-conditioning internal machine as judgement, when current value rises
When reaching to a certain degree, then it is assumed that the return air inlet 12 in the air channel 10 of air-conditioning internal machine blocks, and then by blower fan 20 from making air-flow
The second mode of operation blown from return air inlet 12 to air outlet 11, which switches to, to be made air-flow flow to return air inlet 12 from air outlet 11 to blow
The first mode of operation, so that the tamper 30 at the return air inlet 12 in air channel 10 be blown away, and then effectively solve return air inlet
The problem of 12 blocking.Meanwhile the air-conditioning can rise different degrees of, control blower fan 20 according to electric current in the first operation mode
Motor rotate rotating speed, at the return air inlet 12 in air channel 10 block different serious conditions control blower fan 20 motor be in
Under different rotating speeds, so as to reach the preferable cleaning effect of tamper 30 on the premise of saving electricity and reducing noise.
With reference to the description of accompanying drawing and the utility model embodiment, can clearly understand of the present utility model
Details.But specific embodiment of the present utility model described here, it is only used for explaining the purpose of this utility model, without
It can be understood as being to limitation of the present utility model in any way.Under teaching of the present utility model, technical staff is contemplated that
Based on any possible deformation of the present utility model, these are regarded as belonging to the scope of the utility model.Need what is illustrated
It is that when element is referred to as " being arranged at " another element, it can be directly on another element or there may also be placed in the middle
Element.When an element is considered as " connection " another element, it can be directly to another element or can
There can be centering elements simultaneously.Term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be mechanically connect or
Electrical connection or the connection of two element internals, can be joined directly together, can also be indirectly connected by intermediary,
For the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, for this area
Technical staff for, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model,
Any modification, equivalent substitution and improvements made etc., should be included within the scope of protection of the utility model.
Claims (8)
- A kind of 1. air-conditioning internal machine, it is characterised in that including：Air channel, the both ends in the air channel have air outlet and return air inlet respectively；Can rotate counterclockwise and the blower fan that turns clockwise, the blower fan is arranged in the air channel, and the blower fan has extremely Few two mode of operations, in the first mode of operation, the blower fan can make air-flow flow to the return air inlet from the air outlet to send Wind；In the second mode of operation, the blower fan can make air-flow be blown from the return air inlet to the air outlet；The blower fan includes motor and the blade being connected with the motor, and the motor can carry out two-way under different electric currents Rotation；The return air inlet in the air channel is provided with the separator for preventing tamper from entering the air channel.
- 2. air-conditioning internal machine according to claim 1, it is characterised in that in the second mode of operation, the air-conditioning internal machine energy Obtain actual motion electric current, Rated motor power output and the institute of the blower fan when the blower fan is in the second mode of operation State the current running voltage of blower fan, and then obtain the ratio of the Rated motor power output and current running voltage, according to than Value obtains the actual motion electric current of the blower fan and the difference of the ratio, the size of difference and the first preset value is judged, when described When difference is more than the first preset value, the blower fan is switched to the first mode of operation by the air-conditioning internal machine from the second mode of operation.
- 3. air-conditioning internal machine according to claim 2, it is characterised in that described when the difference is more than the first preset value Air-conditioning internal machine judges the size of difference and the second preset value, and when difference is less than second preset value, the air-conditioning internal machine is adjusted The tachometer value of the blower fan is saved so that tachometer value is in the first scope.
- 4. air-conditioning internal machine according to claim 2, it is characterised in that described when the difference is more than the first preset value Air-conditioning internal machine judges the size of difference and the second preset value, and when difference is more than second preset value, the air-conditioning internal machine is sentenced Offset value and the size of the 3rd preset value, when difference is less than three preset value, the air-conditioning internal machine adjusts the blower fan Tachometer value so that tachometer value is in the second scope.
- 5. air-conditioning internal machine according to claim 2, it is characterised in that described when the difference is more than the first preset value Air-conditioning internal machine judges the size of difference and the second preset value, and when difference is more than second preset value, the air-conditioning internal machine is sentenced Offset value and the size of the 3rd preset value, when difference is more than three preset value, the air-conditioning internal machine adjusts the blower fan Tachometer value so that tachometer value is in the 3rd scope.
- 6. air-conditioning internal machine according to claim 2, it is characterised in that when the blower fan switches to from the second mode of operation After one mode of operation, the blower fan is in after the first mode of operation reaches the first preset time, and the blower fan is from the first Working mould Formula switches to the second mode of operation.
- 7. air-conditioning internal machine according to claim 2, it is characterised in that in the second preset time, the blower fan is from second When the number that mode of operation switches to the first mode of operation reaches preset times, the air-conditioning letter out of service that is concurrently out of order Number.
- 8. a kind of air-conditioning, it is characterised in that the air-conditioning includes any described air-conditioning internal machine in the claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720407104.3U CN207196630U (en) | 2017-04-18 | 2017-04-18 | Air conditioner indoor unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720407104.3U CN207196630U (en) | 2017-04-18 | 2017-04-18 | Air conditioner indoor unit and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207196630U true CN207196630U (en) | 2018-04-06 |
Family
ID=61792965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720407104.3U Active CN207196630U (en) | 2017-04-18 | 2017-04-18 | Air conditioner indoor unit and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207196630U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473472A (en) * | 2020-04-22 | 2020-07-31 | 广州珈鹏科技有限公司 | Air conditioner outdoor unit filter screen processing method and device and air conditioner |
| CN111486549A (en) * | 2020-04-22 | 2020-08-04 | 广州珈鹏科技有限公司 | Air conditioner outdoor unit filter screen processing method and device and air conditioner |
-
2017
- 2017-04-18 CN CN201720407104.3U patent/CN207196630U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473472A (en) * | 2020-04-22 | 2020-07-31 | 广州珈鹏科技有限公司 | Air conditioner outdoor unit filter screen processing method and device and air conditioner |
| CN111486549A (en) * | 2020-04-22 | 2020-08-04 | 广州珈鹏科技有限公司 | Air conditioner outdoor unit filter screen processing method and device and air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107013980A (en) | Air conditioner internal unit, air conditioner and control method for air conditioner | |
| CN203323263U (en) | Central fresh air purifying and humidifying system | |
| CN105805849B (en) | A kind of wall-mounted fresh air purified scavenger and its control method | |
| CN105953358A (en) | Safety protection method and device for air conditioner and air conditioner | |
| CN207196630U (en) | Air conditioner indoor unit and air conditioner | |
| CN201391963Y (en) | Intelligent temperature-control air-interchange system for dwelling environment | |
| CN206514388U (en) | Cabinet air-conditioner and air conditioner | |
| CN207388794U (en) | Automobile solar energy ventilation device | |
| CN202692254U (en) | Energy-saving air conditioner with fresh air vent | |
| CN206234995U (en) | The automatic inside and outside draft switch of rotating plate type | |
| CN104976751A (en) | Total heat exchanger | |
| CN107741064A (en) | A kind of air-conditioner outdoor unit with fresh air heat recovery system | |
| CN208238007U (en) | Indoor unit of air conditioner | |
| CN206291337U (en) | Cabinet air-conditioner and air-conditioner | |
| CN205641244U (en) | Wall -hanging new trend purification ventilator | |
| CN205783627U (en) | Air deflector and total heat exchanger | |
| CN111623485A (en) | Control method for automatically adjusting air volume of fresh air fan | |
| CN201416990Y (en) | Air replacement main machine | |
| CN208237998U (en) | Indoor unit of air conditioner | |
| CN207989363U (en) | A kind of air inlet and outlet is located at the ceiling type through-flow blower fan of homonymy | |
| CN206018900U (en) | Total heat exchanger | |
| CN213955500U (en) | Energy-saving intelligent temperature control device for machine room | |
| CN105485773B (en) | Air duct machine and indoor unit thereof | |
| CN211011821U (en) | Air conditioning system | |
| CN204006430U (en) | VMC supplements air-conditioning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |