CN213810873U - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN213810873U CN213810873U CN202022763078.2U CN202022763078U CN213810873U CN 213810873 U CN213810873 U CN 213810873U CN 202022763078 U CN202022763078 U CN 202022763078U CN 213810873 U CN213810873 U CN 213810873U
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Abstract
The utility model discloses an air conditioner. The air conditioner includes the casing, the fan, the heat exchanger, filter screen module and speed measuring module, be provided with return air inlet and air outlet on the casing, the fan, set up in the casing and be used for making the return air that gets into the casing from the return air inlet blow from the air outlet, the heat exchanger sets up in the casing and is located the wind channel between return air inlet to the air outlet, filter screen module sets up in the casing and is located being close to return air inlet one side of heat exchanger and includes the filter screen, speed measuring module sets up between filter screen module and heat exchanger, and be configured to measure the actual wind speed of the return air that gets into the casing from the return. The utility model discloses an air conditioner will test the speed the module setting between filter screen module and heat exchanger, and this module direct measurement that tests the speed is through the wind speed after the filter screen filters to avoid other factors to the influence that the filter screen is filthy stifled condition to judge, help the accurate time of holding the filter screen and changing.
Description
Technical Field
The utility model relates to an electrical apparatus field, in particular to air conditioner.
Background
The filter screen of air conditioner is changed according to the cycle or the suggestion of producer's recommendation generally, but because the frequency of use and the environment of different air conditioners are all different, there is the deviation in the measurement calculation, therefore change time is inaccurate to accuse, if change too early can cause the filter screen material extravagant, if change too late can cause the unit reliability to reduce, energy resource consumption increases, still can cause air secondary pollution.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air conditioner to hold the change time of air conditioner filter screen better.
The utility model provides an air conditioner, include:
the air conditioner comprises a shell, wherein an air return port and an air outlet are formed in the shell;
the fan is arranged in the shell and is used for blowing the return air entering the shell from the return air inlet out of the air outlet;
the heat exchanger is arranged in the shell and positioned on the air duct between the air return inlet and the air outlet;
the filter screen module is arranged in the shell, is positioned on one side of the heat exchanger close to the air return inlet and comprises a filter screen; and
the speed measuring module is arranged between the filter screen module and the heat exchanger and is configured to measure the actual wind speed of return air entering the shell from the return air inlet after being filtered by the filter screen module.
In some embodiments, the air conditioner further comprises a controller in communication connection with the speed measurement module, wherein the controller is configured to obtain the actual wind speed from the speed measurement module and determine whether the filter screen needs to be replaced according to the actual wind speed and the set wind speed.
In some embodiments, the controller is further configured to obtain an operating frequency of the wind turbine, obtain a set wind speed at the operating frequency according to the operating frequency, and determine whether the filter screen needs to be replaced according to the actual wind speed and the set wind speed.
In some embodiments, the controller is configured to issue a prompt to replace the screen when the actual wind speed is less than the set wind speed.
In some embodiments, the air conditioner includes at least two speed measurement modules, and the controller is configured to calculate an average actual wind speed from at least two actual wind speeds measured by the at least two speed measurement modules.
In some embodiments, the air conditioner further comprises a mounting bracket assembly connected with the heat exchanger, and the filter screen module and the speed measuring module are both mounted on the mounting bracket assembly.
In some embodiments, the area of the intake vent is greater than the area of the outlet vent of the mounting bracket assembly.
In some embodiments, the interior cavity of the mounting bracket assembly includes a parallel section to which the screen modules are mounted and a converging section having a decreasing area in a direction from the air inlet to the air outlet of the mounting bracket assembly to rectify the air flow passing through the screen modules.
In some embodiments, the filter screen module includes a filter screen and a first clamping device and a second clamping device respectively disposed at upper and lower sides of the filter screen and disposed side by side, and first ends of the first clamping device and the second clamping device are rotatably connected such that second ends thereof can be opened and closed.
In some embodiments, the first clamping device includes a plurality of first support rods arranged side by side at intervals and two first frames arranged at two ends of the plurality of first support rods, the first frame includes a plurality of first convex teeth, the top ends of two first convex teeth opposite to each other of the two frames are connected with the first support rods, the second clamping device includes a plurality of second support rods arranged side by side at intervals and two second frames arranged at two ends of the plurality of second support rods, the second frame includes a plurality of second convex teeth, the top ends of two second convex teeth opposite to each other of the two second frames are connected with the second support rods, and the plurality of first support rods and the plurality of second support rods are arranged in a staggered manner that the first clamping device and the second clamping device clamp the filter screen in the middle and make the filter screen corrugated.
In some embodiments, the speed measuring module includes a wind wheel device and a speed sensor, the wind wheel device includes a fan blade and a gear coaxially connected with the fan blade, the fan blade rotates under the action of the airflow and drives the gear to rotate, and the speed sensor is disposed close to the gear to measure the rotating speed of the gear.
Based on the technical scheme, the air conditioner includes the casing, the fan, a heat exchanger, filter screen module and speed measuring module, be provided with return air inlet and air outlet on the casing, the fan, set up in the casing and be used for making the return air that gets into the casing from the return air inlet blow from the air outlet, the heat exchanger sets up in the casing and is located the wind channel between return air inlet to the air outlet, filter screen module sets up in the casing and is located being close to return air inlet one side of heat exchanger and including the filter screen, speed measuring module sets up between filter screen module and heat exchanger, and be configured to measure the actual wind speed of the return air that gets into the casing from the return air inlet after filter screen module filters. The utility model discloses an air conditioner will test the speed the module setting between filter screen module and heat exchanger, and this module direct measurement that tests the speed is through the wind speed after the filter screen filters to avoid other factors to the influence that the filter screen is filthy stifled condition to judge, help the accurate time of holding the filter screen and changing.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic partial structure diagram of an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the velocity measurement module in fig. 1;
figure 3 is an exploded view of the wind wheel assembly of figure 2;
FIG. 4 is a schematic structural view of the mounting bracket assembly of FIG. 1;
FIG. 5 is a cross-sectional structural view of the mounting bracket assembly shown in FIG. 4;
FIG. 6 is a schematic view of the mounting bracket assembly of FIG. 5 in section H-H;
FIG. 7 is a schematic view of the lower plate of FIG. 4;
FIG. 8 is a schematic structural view of the strainer module of FIG. 1;
FIG. 9 is a schematic view of the strainer module of FIG. 8 shown in an open configuration with the strainer removed;
FIG. 10 is a schematic view of a first clamping device of the screen module of FIG. 8;
fig. 11 is a schematic view of a second clamping device of the screen module shown in fig. 8.
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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously positioned and the spatially relative descriptors used herein interpreted accordingly.
Referring to fig. 1 to 11, an air conditioner according to an embodiment of the present invention includes:
the air conditioner comprises a shell 10, wherein an air return port and an air outlet are formed in the shell 10;
the fan 1 is arranged in the shell 10 and is used for blowing return air entering the shell 10 from the return air inlet out of the air outlet;
the heat exchanger 2 is arranged in the shell 10 and is positioned on an air duct between the air return inlet and the air outlet;
the filter screen module 5 is arranged in the shell 10, is positioned on one side of the heat exchanger 2 close to the air return inlet and comprises a filter screen 51; and
and the speed measuring module 4 is arranged between the filter screen module 5 and the heat exchanger 2 and is configured to measure the actual wind speed of the return air entering the shell 10 from the return air inlet after being filtered by the filter screen 51.
The utility model discloses air conditioner will test the speed module 4 setting between filter screen module 5 and heat exchanger 2, and this test the speed module 4 direct measurement is through the wind speed after filter screen 51 filters to avoid other factors to the influence that the filthy stifled condition of filter screen was judged, help the accurate time of holding the filter screen and changing.
In some embodiments, the air conditioner is an air conditioner indoor unit. The heat exchanger 2 may be used as an evaporator or as a condenser.
In some embodiments, the air conditioner further comprises a controller communicatively connected to the speed measuring module 4, and the controller is configured to obtain the actual wind speed from the speed measuring module 4 and determine whether the filter screen 51 needs to be replaced according to the actual wind speed and the set wind speed.
Specifically, the set wind speed is a wind speed at which the filter net 51 is clogged and needs to be replaced. The set wind speed is related to the operating frequency of the fan 1, the operating frequency of the fan 1 is represented as f, the set wind speed when the filter screen is dirty and blocked is represented as Vmin, and phi is a function sign, so that Vmin is represented as phi, that is, the set wind speed Vmin is a function of the fan frequency. Therefore, the controller of the present embodiment is further configured to obtain the operating frequency f of the wind turbine 1, obtain the set wind speed at the operating frequency f according to the operating frequency f, and determine whether the filter screen 51 needs to be replaced according to the actual wind speed and the set wind speed.
In some embodiments, the controller is configured to issue a prompt to replace or clean the screen 51 when the actual wind speed is less than the set wind speed.
In some embodiments, the air conditioner includes a plurality of speed measurement modules 4, the plurality of speed measurement modules 4 respectively measure the air flow velocity after the filter screen module 5 to obtain a plurality of actual air velocities, the controller obtains the plurality of actual air velocities and calculates an average actual air velocity according to the plurality of actual air velocities, then compares the average actual air velocity with a preset air velocity stored in advance, and when the average actual air velocity is less than or equal to the preset air velocity, determines that the filter screen 51 is dirty and blocked, and sends a signal or an alarm to prompt a user to replace or clean the filter screen.
Referring to fig. 2 and 3, in some embodiments, the speed measuring module 4 comprises a wind wheel device 41 and a speed sensor 42. The wind wheel device 41 comprises a wind blade 411 and a gear 413 coaxially connected with the wind blade 411, the wind blade 411 rotates under the action of air flow and drives the gear 413 to rotate, and the speed sensor 42 is arranged close to the gear 413 to measure the rotating speed of the gear 413. The wind wheel device 41 has the fan blades 411 and the gears 413 arranged coaxially, so that when the airflow acts on the fan blades 411, the fan blades 411 and the gears 413 rotate at the same speed.
The rotating shaft of the fan 411 is arranged in the same direction as the flowing direction of the air flow.
In some embodiments, referring to fig. 1 to 7, the air conditioner further includes a mounting bracket assembly 3 connected to the heat exchanger 2, and the screen module 5 and the speed measuring module 4 are both mounted on the mounting bracket assembly 3.
In some embodiments, referring to fig. 4 and 6, the area of the air inlet of the mounting bracket assembly 3 is larger than the area of the air outlet, and the screen module 5 is mounted at the air inlet. The air inlet area of the mounting frame assembly 3 is large, so that the air inlet area is increased, the air speed is reduced, the ventilation efficiency is improved, and the noise is reduced.
In some embodiments, referring to fig. 4 and 6, the interior cavity of mount assembly 3, in the direction from the air inlet to the air outlet of mount assembly 3, includes a parallel section to which screen module 5 is mounted and a constricted section that tapers in area to rectify the air flow passing through screen module 5. The setting of the necking section makes the air conditioner rectify the air flow passing through the filter screen 51, and the induced air flow enters the heat exchanger 2 in a laminar flow state, so that the influence of vortex is reduced, and the heat exchange efficiency of the heat exchanger 2 is improved.
In some embodiments, referring to fig. 8 to 11, the strainer module 5 includes a strainer 51 and two clamping devices respectively disposed at upper and lower sides of the strainer 51 and disposed side by side, and first ends of the two clamping devices are rotatably connected so that a second end can be opened and closed. Two clamping device centre gripping filter screen 51 is in the centre, so refer to fig. 9, open when the second end of two exposed core and can take out filter screen 51, the convenient change to satisfy the self-service needs of changing the filter screen of user. For example, when the filter screen is dirty and blocked, the controller sends a replacement prompt, and a user can open the clamping device by himself to replace the filter screen; for example, when the user has special requirements for formaldehyde removal, sterilization, deodorization, etc., the user can replace the filter screen with special functions by himself.
In some embodiments, referring to fig. 9, the clamping device includes a plurality of support rods arranged side by side at intervals and two frames arranged at two ends of the plurality of support rods, the frames include a plurality of convex teeth, the support rods are connected to top ends of two opposite convex teeth of the two frames, and the two clamping devices clamp the filter screen 51 in the middle to corrugate the filter screen 51. Under natural state, filter screen 51 is the flat condition, and when two clamping device when under the assembled condition compressed tightly filter screen 51 centre gripping, filter screen 52 was pressed into the corrugate, can increase the area that ventilates of filter screen like this, improves ventilation efficiency.
The structure of an air conditioner according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 11.
As shown in fig. 1, the air conditioner of the embodiment of the present invention includes a casing 10, a fan 1, a heat exchanger 2, a mounting bracket assembly 3, a speed measuring module 4 and a filter screen module 5.
The casing 10 has an air return opening and an air outlet opening, and an air duct is formed between the air return opening and the air outlet opening. The fan 1 is disposed in the casing 10 and is configured to blow out return air entering the casing 10 from the return air inlet from the air outlet. The arrow V in fig. 1 shows the direction of flow of return air in the housing 10.
The heat exchanger 2 is arranged on one side of the fan 1 close to the air return inlet. The heat exchanger 2 serves as an evaporator when the air conditioner is cooling, and the heat exchanger 2 serves as a condenser when the air conditioner is heating.
The speed measuring module 4 is arranged between the filter screen module 5 and the heat exchanger 2. As shown in fig. 2, the speed measuring module 4 includes a wind wheel device 41, a speed sensor 42, a bolt set 43, and a mounting bracket 44. The wind wheel device 41 rotates under the blowing of the return air, and the speed sensor 42 is arranged close to the wind wheel device 41 to detect the rotating speed of the fan blades of the wind wheel device 41 so as to indirectly detect the wind speed of the return air filtered by the filter screen module 5.
As shown in fig. 3, the wind wheel device 41 includes a wind blade 411, a rotating shaft 412, a gear 413, a support 414, a flat key 415, a retainer ring 416, a flat pad 417, an elastic pad 418 and a nut 419. Wherein the support 414 is mounted on the mounting bracket 44 by the bolt set 43. And the holder 414 has a bushing in which the rotation shaft 412 is rotatably disposed in the holder 414. The fan 411 and the gear 413 are respectively connected to the rotating shaft 412 through a flat key 415. A retainer ring 416 is arranged between the fan blade 411 and the shaft sleeve, and a retainer ring 416 is also arranged between the gear 413 and the shaft sleeve. The axial outer end of the fan blade 411 is sequentially provided with a flat pad 417, an elastic pad 418 and a crown-shaped nut 419 which are sleeved on the rotating shaft 412, and the crown-shaped nut 419 is matched with the thread arranged at the end part of the rotating shaft 412. Similarly, the axial outer end of the gear 413 is provided with a flat pad 417, an elastic pad 418 and a nut 419 which are sleeved on the rotating shaft 412 in sequence.
The return air in the air conditioner air duct of this embodiment is on wind wheel device 41 after the filtration through filter screen module 5, fan blade 411 on wind wheel device 41, pivot 412 and gear 413 rotate with the same speed, because the tooth top of gear 413, the distance and the magnetism difference between tooth root and speed sensor 42, can produce pulse signal on the speed sensor 42, the controller receives pulse signal, calculate current average air velocity, compare with the setting wind speed, thereby judge the filth stifled condition of filter screen, because be the wind speed behind the direct measurement filter screen, avoid the influence of intermediate link to the precision of testing the speed completely, consequently judge more directly accurate.
In the embodiment, at least more than one group of speed measuring modules 4 are adopted to measure the air flow speed between the filtered air and the heat exchanger 2 in real time, the average value (namely the measured average air flow speed) is automatically calculated, the obtained average value is compared with the preset speed of the controller, when the calculated average value is less than or equal to the set air speed corresponding to the fan frequency, the filter screen is judged to be dirty and blocked, and a signal or an alarm is sent to prompt a user to replace (clean) the filter screen. Let the fan frequency be f, and the filter screen filth blockage speed be Vmin(f)Phi is a function symbol, thenVmin(f)Phi (f), i.e. the set wind speed Vmin(f)As a function of fan frequency. Let the ith speed measurement module actually measure the wind speed as Vi(f)The number of the speed measuring modules is n, i is a natural number (1-n), and the actually measured average airflow speed is VFlat (f)(V1(f) + V2 (f) + … vn (f))/N, when VFlat (f)≤Vmin(f)And if the filter screen is dirty and blocked, the user is reminded to replace (clean) the filter element.
As shown in fig. 4, the mount assembly 3 of the present embodiment includes an upper side plate 31, a lower side plate 32, a left side plate 33, a right side plate 34, a longitudinal guide beam 35, a lateral guide beam 36, and a stud 37. The upper side plate 31 and the lower side plate 32 are respectively located at the upper side and the lower side of the air duct and are oppositely arranged. The left side plate 33 and the right side plate 34 are respectively located at the left and right sides of the air duct and are oppositely arranged. The longitudinal guide beam 35 is connected between the upper side plate 31 and the lower side plate 32, and the lateral guide beam 36 is connected between the left side plate 33 and the right side plate 34. The present embodiment is provided with a plurality of longitudinal guide beams 35 spaced between the upper side plate 31 and the lower side plate 32. The upper plate 31 and the lower plate 32 of the present embodiment are also provided with reinforcing bars.
Fig. 5 shows a structural view of the mount block assembly 3 of the present embodiment in a longitudinal section parallel to the left side plate 33. The arrows in the figure show the direction of return air flow. The filter screen module 5 is installed at the filter screen installation groove A. The longitudinal guide beams 35 and the transverse guide beams 36 function to support the screen module. A plurality of ventilation holes are formed therein for reducing ventilation resistance.
As shown in fig. 6, the area of the air inlet of the mounting bracket assembly 3 is larger than that of the air outlet. The design is favorable to increasing the air inlet area of filter screen like this, improves ventilation efficiency, reduces the wind speed, reduces the noise.
The air outlet of the mounting bracket component 3 is close to the heat exchanger 2. The longitudinal length of the air outlet of the mounting frame component 3 is equal to the size of the long side of the windward side of the heat exchanger 2. As shown in fig. 5 and 6, the mount assembly 3 is provided with a throat section C having a trapezoidal horizontal cross section, the length of the throat section C ranging from 40mm to 150 mm. This design can be to the air current after passing through filter screen 51 carry out the rectification, makes the air current get into heat exchanger 2 with laminar flow state, reduces the eddy current loss, improves heat exchange efficiency of heat exchanger 2.
At least one of the upper side plate 31, the lower side plate 32, the left side plate 33 and the right side plate 34 of the mounting bracket assembly 3 is provided with more than one group of holes for mounting the speed measuring module, and is located on the rectifying section, that is, behind the filter screen mounting groove a. The mounting bracket assembly 3 is assembled on the side plate of the heat exchanger 2 by bolts. The speed measuring module 4 is arranged on the rectifying section of the mounting frame component 3, the wind receiving surface of the fan blade is opposite to the airflow, and the axis of the fan blade is parallel to the airflow direction. The rotating shaft of the wind wheel device in the speed measuring module is vertical to the speed sensor.
As shown in fig. 7, the lower side plate 32 of the mounting bracket assembly 3 of the present embodiment includes a lower side plate body 321, a rear guiding edge 322, a left limiting edge 326, a stopper slot 323, a front limiting edge 325, a right limiting edge 327, and a dismounting abdicating notch 328. The rear guiding edge 322 is located at the rear side of the lower side plate body 321, the left limiting edge 326 is located at the left side of the lower side plate body 321, and the right limiting edge 327 is located at the right side of the lower side plate body 321. The lower side plate 32 includes two front limiting edges 325 respectively located at the left and right sides, and a gap D is provided between the two front limiting edges 325. Referring to fig. 1 and 7, the size of the gap D needs to be determined according to the dimension L of the long side of the access opening, D < L. The left limit edge 326 and the right limit edge 327 are used for limiting the left and the right of the filter screen module 5, and the rear guide edge 322 and the front limit edge 325 form mounting grooves for guiding and limiting the front and the rear of the filter screen module. The front guide edge is of a discontinuous structure. The block slot 323 is used for the insertion of the block 7. The design meets the requirement of modular design of the filter screen, and the filter screen is convenient to disassemble and assemble in a limited space.
The filter screen of this embodiment is of a modular design. And the air conditioner of this embodiment includes at least two filter screen modules. As shown in fig. 1, if the number of the filter screen modules 5 is N, the size of the long side of the access hole is L, and the size of the air inlet of the mounting frame assembly 3 is M, the value of N is calculated according to the following formula:
N＝M/L。
as shown in fig. 7, the middle portion of the gap D of the present embodiment is further provided with a dismounting abdicating notch 326. Referring to fig. 1 and 4, the air conditioner of this embodiment further includes an access door 6 and two stoppers 7 respectively disposed on two sides of the dismounting abdicating notch 326, and the two stoppers 7 are respectively inserted into the stopper insertion slot 323. The air conditioner of the present embodiment further includes a stud 8 inserted into the stud hole 324 of the lower side plate 32 and a wing nut 9 engaged with the stud 8. The stud 8 is welded on the lower side plate and fastens the left stop block and the right stop block together with the butterfly nut 9. The two stop blocks 7, the stud 8 and the butterfly nut 9 jointly function as a limiting screen module 5.
The disassembling method of the filter screen module 5 comprises the following steps: the maintenance opening cover is opened, the butterfly nut 9 is loosened manually, the left-handed left side stop block is rotated to the horizontal position, the right-handed right side stop block is rotated to the horizontal position, the filter screen module 5 located in the middle position of the mounting frame assembly is grasped by an extending hand, and then the filter screen module 5 located in the middle position can be detached by pulling the extending hand downwards in an inclined mode. The filter screen on the left side of the mounting rack is pulled to the right to the middle position, and then the filter screen module on the left side can be detached by obliquely pulling down. The filter screen module on the right side of the mounting frame assembly is pulled leftwards to the middle position and then pulled downwards in an inclined mode, and the filter screen module on the right side can be detached. During assembly, the left side or the right side is assembled firstly, the middle filter screen module is assembled, the filter screen module is assembled according to the reverse steps of disassembly, and the butterfly nut is locked manually. The access cover assembly is used during maintenance, the problem that the panel or the shell cover plate is opened by stopping the machine when the filter screen is prevented from being disassembled by adopting the structure is solved, and meanwhile, the difficult problem that the large-size integrated filter screen is difficult to disassemble is solved by using the small-size access hole.
The sizes of the filter screen modules 5 of the present embodiment are the same and the structure of the filter screen modules 5 is shown in fig. 8 to 11. The strainer module 5 comprises two clamping devices and a strainer 51 arranged between the two clamping devices, in particular a first clamping device 52 and a second clamping device 53, respectively.
As shown in fig. 9, the first ends of the first clamping device 52 and the second clamping device 53 are connected by a hinge 54, the first clamping device 52 is provided with an elastic latch 55, and the second clamping device 53 is provided with an elastic latch 56. When the screen module 5 is in the working state, as shown in fig. 8, the elastic latch 55 and the elastic latch 56 cooperate to enable the second ends of the first clamping device 52 and the second clamping device 53 to be connected and buckled; when the filter screen in the filter screen module 5 needs to be replaced, as shown in fig. 9, the elastic locking hooks 55 and the elastic latches 56 are opened so that the second ends of the first and second clamping devices 52 and 53 are opened to facilitate the removal of the filter screen 51.
As shown in fig. 10, the first clamping device 52 includes a left side frame 522, a right side frame 521, a W-shaped frame 523, a first stay 525, and a W-shaped frame 524. Left side frame 522, W-shaped frame 523, right b-shaped frame 521, and W-shaped frame 524 are connected in this order in circumferential direction y to form a frame. The W-shaped frames 523 and 524 each have a plurality of sequentially arranged teeth, and the tops of the two teeth arranged opposite to each other are connected to a first brace 525.
As shown in fig. 11, the second clamping device 53 includes a left side frame 532, a right side frame 531, a W-shaped frame 533, a second stay 535, and a W-shaped frame 534. The plurality of first support rods 525 of the first clamping device 52 and the plurality of second support rods 535 of the second clamping device 53 are arranged in a staggered manner, specifically in this embodiment, the first clamping device 52 comprises 12 first support rods 525, the second clamping device 53 comprises 13 second support rods 535, when the first clamping device 52 and the second clamping device 53 are combined to clamp the filter screen 51 in the middle, the first support rods 525 and the second support rods 535 support and press the filter screen 51 to enable the planar filter screen to become corrugated, so that the ventilation area of the filter screen is increased, and the ventilation efficiency is improved.
When the screen module 5 is in the operating state, the first support rod 525 and the second support rod 535 are vertically disposed, so that dust accumulation is prevented while an increased ventilation area is ensured. The screen 5 is held tightly in the W-shaped gap formed by the first clamping device 52 and the second clamping device 53. The filter screen and the frame are separated through the design, the requirement of self-service replacement of the filter element of a user is met, meanwhile, the whole filter screen module is not required to be replaced, and the maintenance and use cost is greatly reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (11)
1. An air conditioner, comprising:
the air conditioner comprises a shell (10), wherein an air return opening and an air outlet are formed in the shell (10);
the fan (1) is arranged in the shell (10) and is used for blowing the return air entering the shell (10) from the return air inlet out of the air outlet;
the heat exchanger (2) is arranged in the shell (10) and is positioned on the air channel between the air return inlet and the air outlet;
the filter screen module (5) is arranged in the shell (10), is positioned on one side, close to the air return opening, of the heat exchanger (2) and comprises a filter screen (51); and
the speed measuring module (4) is arranged between the filter screen module (5) and the heat exchanger (2) and is configured to measure the actual wind speed of return air entering the shell (10) from the return air inlet after the return air passes through the filter screen module (5).
2. The air conditioner according to claim 1, further comprising a controller communicatively connected to the speed measuring module (4), wherein the controller is configured to obtain the actual wind speed from the speed measuring module (4) and determine whether the filter screen (51) needs to be replaced according to the actual wind speed and a set wind speed.
3. The air conditioner according to claim 2, wherein the controller is further configured to obtain an operating frequency of the fan (1), obtain a set wind speed at the operating frequency according to the operating frequency, and determine whether the filter screen (51) needs to be replaced according to the actual wind speed and the set wind speed.
4. The air conditioner according to claim 2, wherein the controller is configured to issue a prompt to replace the screen (51) when the actual wind speed is less than the set wind speed.
5. Air conditioner according to claim 2, characterized in that it comprises at least two speed measuring modules (4), said controller being configured to calculate an average actual wind speed from at least two actual wind speeds measured by said at least two speed measuring modules (4).
6. The air conditioner according to any one of claims 1 to 5, further comprising a mounting frame assembly (3) connected with the heat exchanger (2), wherein the screen module (5) and the speed measuring module (4) are both mounted on the mounting frame assembly (3).
7. The air conditioner according to claim 6, wherein the area of the air inlet of the mounting frame assembly (3) is larger than the area of the air outlet.
8. The air conditioner according to claim 7, wherein the inner cavity of the mounting frame assembly (3) comprises a parallel section to which the screen module (5) is mounted and a constricted section having an area gradually reduced to rectify the air flow passing through the screen module (5) in a direction from the air inlet to the air outlet of the mounting frame assembly (3).
9. The air conditioner according to any one of claims 1 to 5, wherein the screen module (5) comprises a screen (51) and a first clamping device (52) and a second clamping device (53) which are respectively disposed at upper and lower sides of the screen (51) and are disposed side by side, and first ends of the first clamping device (52) and the second clamping device (53) are rotatably connected so that second ends can be opened and closed.
10. The air conditioner according to claim 9, wherein the first clamping device (52) comprises a plurality of first support rods (525) arranged side by side at intervals and two first frames arranged at both ends of the plurality of first support rods, the first frames comprise a plurality of first convex teeth, the first support rods (525) are connected between the top ends of two opposite first convex teeth of the two first frames, the second clamping device (53) comprises a plurality of second support rods (535) arranged side by side at intervals and two second frames arranged at both ends of the plurality of second support rods (535), the second frames comprise a plurality of second convex teeth, the second support rods (535) are connected between the top ends of two opposite second convex teeth of the two second frames, and the plurality of first support rods (525) and the plurality of second support rods (535) are arranged in a staggered manner that the first clamping device (52) and the second clamping device (53) clamp the filter screen (51) Held in the middle and corrugates the screen (51).
11. The air conditioner according to any one of claims 1 to 5, wherein the speed measuring module (4) comprises a wind wheel device (41) and a speed sensor (42), the wind wheel device (41) comprises a wind blade (411) and a gear (413) coaxially connected with the wind blade (411), the wind blade (411) rotates under the action of air flow and drives the gear (413) to rotate, and the speed sensor (42) is arranged close to the gear (413) to measure the rotating speed of the gear (413).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022763078.2U CN213810873U (en) | 2020-11-25 | 2020-11-25 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022763078.2U CN213810873U (en) | 2020-11-25 | 2020-11-25 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213810873U true CN213810873U (en) | 2021-07-27 |
Family
ID=76939617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022763078.2U Active CN213810873U (en) | 2020-11-25 | 2020-11-25 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213810873U (en) |
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2020
- 2020-11-25 CN CN202022763078.2U patent/CN213810873U/en active Active
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