CN216432013U

CN216432013U - Air conditioner indoor unit and fresh air conditioner

Info

Publication number: CN216432013U
Application number: CN202122823432.0U
Authority: CN
Inventors: 黄涛; 吴庆壮
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-05-03
Anticipated expiration: 2031-11-17

Abstract

The application relates to an air conditioner indoor unit and a fresh air conditioner. The air-conditioning indoor unit comprises a filter element assembly and an air-conditioning main body, wherein the filter element assembly is provided with a filter element and a battery, and the estimated service life of the battery is positively correlated with the estimated service life of the filter element; the air conditioner main body comprises a battery detection module, a processing module and a control module, wherein the processing module and the control module are electrically connected with the battery detection module; the filter element assembly is detachably assembled on the air conditioner main body, when the filter element assembly is assembled on the air conditioner main body, the battery detection module is connected with the battery, and the control module can control the battery to supply power to a detection circuit of the battery detection module when the air conditioner executes a fresh air function; the battery detection module is used for detecting the current state of the battery and transmitting the detected current state of the battery to the processing module, and the processing module is used for determining the current remaining service life of the battery according to the current state of the battery and determining the current remaining service life of the filter element according to the determined current remaining service life of the battery and the estimated service life positive correlation between the battery and the filter element.

Description

Air conditioner indoor unit and fresh air conditioner

Technical Field

The application relates to the technical field of fresh air conditioners, in particular to an air conditioner indoor unit and a fresh air conditioner.

Background

At present, in the new trend air conditioner, install the filter core usually to filter the new trend that gets into in the air conditioner. The filter core has certain life, if not in time change then can influence the air inlet effect when reaching its life. In the related art, the service life of the air conditioner is usually counted as the service life of the filter element, so as to judge whether the filter element reaches the estimated service life. Because the filter element is taken down, the air conditioner can still work, the service life of the air conditioner is counted as the service life of the filter element, the determination result of the service life of the filter element is not accurate enough, and the filter element is possibly replaced too early.

SUMMERY OF THE UTILITY MODEL

According to a first aspect of an embodiment of the present application, there is provided an indoor unit of an air conditioner, including:

the air conditioner main body comprises a battery detection module, a processing module and a control module, wherein the processing module is electrically connected with the battery detection module; the filter element assembly is detachably assembled on the air conditioner main body, the battery detection module can be connected with the battery when the filter element assembly is assembled on the air conditioner main body, and the control module can control the battery to supply power to a detection circuit of the battery detection module when the air conditioner indoor unit executes a fresh air function; the battery detection module is used for detecting the current state of the battery and transmitting the detected current state of the battery to the processing module, and the processing module is used for determining the current remaining service life of the battery according to the current state of the battery and determining the current remaining service life of the filter element according to the determined current remaining service life of the battery and the positive correlation between the estimated service life of the battery and the estimated service life of the filter element.

In some embodiments, the battery detection module is configured to detect a current voltage of the battery and transmit the detected current voltage of the battery to the processing module, and the processing module is configured to determine a current remaining service life of the battery according to the current voltage of the battery and determine the current remaining service life of the filter element according to the determined current remaining service life of the battery and a positive correlation between the estimated service life of the battery and the estimated service life of the filter element.

In some embodiments, the air conditioner main body further comprises a prompt module, the control module is electrically connected with the prompt module, and the control module can control the prompt module to prompt the current remaining service life of the filter element.

In some embodiments, the air conditioner main body comprises a volute air inlet assembly, the volute air inlet assembly is provided with a filter element assembly inserting groove, and the filter element assembly is detachably assembled in the inserting groove.

In some embodiments, the filter element assembly further comprises a filter element support having a filter element opening in the middle, the filter element is disposed on the filter element support and at least partially located in the filter element opening to filter air passing through, and the battery is disposed on the filter element support.

In some embodiments, the cartridge support includes a support upper cover and a support lower cover capable of being assembled with the support upper cover; the support upper cover includes hollow upper cover frame, the upper cover frame is formed with the spacing wall that keeps off of upper cover, the support lower cover includes hollow lower cover frame, the lower cover frame deviates from one side of support upper cover is formed with the spacing wall that keeps off of lower cover, the upper cover frame with the lower cover frame is assembled together, forms at the middle part the filter core opening, the filter core is located the filter core opening part, and by the spacing wall that keeps off of upper cover with the spacing wall that keeps off of lower cover is fixed.

In some embodiments, the upper cover frame is provided with a first buckle, the lower cover frame is provided with a second buckle capable of being matched with the first buckle, and the upper cover frame and the lower cover frame are assembled together through the matching of the first buckle and the second buckle.

In some embodiments, the upper cover frame is provided with a first guiding and positioning rib, and the lower cover frame is provided with a second guiding and positioning rib capable of being matched with the first guiding and positioning rib.

In some embodiments, the lower bracket cover comprises a mounting portion at one end of the lower cover frame, the mounting portion is provided with a battery mounting groove, the upper bracket cover comprises a battery mounting cover corresponding to the battery mounting groove, the upper bracket cover and the lower bracket cover are assembled together, and the battery mounting cover can fix the battery in the battery mounting groove.

In some embodiments, the battery mounting cover has a power connection port, the air conditioner body is provided with an elastic electrical connector capable of electrically connecting with the battery detection module, and the elastic electrical connector penetrates through the power connection port to be electrically connected with the battery when the filter element assembly is assembled to the air conditioner body.

According to a second aspect of the embodiments of the present application, a fresh air conditioner is provided, which includes the air conditioner indoor unit as described above.

According to the embodiment, the air conditioner indoor unit comprises the filter element assembly and the air conditioner main body. A battery with the estimated service life positively correlated with the estimated service life of the filter element is arranged on the filter element component, and a battery detection module using the battery as a power supply is arranged on the air conditioner main body, so that the battery detection module can be connected with the battery only when the filter element is assembled on the air conditioner main body in the use process of the air conditioner system, thereby supplying power to the detection circuit in the battery detection module, enabling the filter element and the battery to keep synchronous operation, and then confirm the current remaining life of battery through the current state of battery to according to the current remaining life of battery and battery with the estimated life of battery with the estimated life positive correlation of filter core confirms the current remaining life of filter core, be favorable to improving the accuracy of confirming the current remaining life of filter core, avoid the filter core to be changed and the unnecessary waste that brings early.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or related technologies of the present application, the drawings needed to be used in the description of the embodiments or related technologies are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic block diagram illustrating an air conditioning indoor unit according to an exemplary embodiment;

fig. 2 is a schematic perspective view of an indoor unit of an air conditioner according to an exemplary embodiment;

FIG. 3 is a perspective schematic view of a perspective of a filter element assembly shown in accordance with an exemplary embodiment;

FIG. 4 is a perspective view of the filter element assembly of FIG. 3 from another perspective;

FIG. 5 is an exploded isometric view of a perspective view of the filter element assembly of FIG. 3;

FIG. 6 is an exploded perspective view of the filter element assembly of FIG. 3 from another perspective;

FIG. 7 is an exploded schematic view of a cradle upper cover and cradle lower cover from a perspective shown in accordance with an exemplary embodiment;

FIG. 8 is an exploded schematic view of a bracket upper cover and a bracket lower cover from another perspective shown in accordance with an exemplary embodiment;

FIG. 9 is a schematic illustrating assembly of a volute air intake assembly with a filter cartridge assembly according to an exemplary embodiment;

FIG. 10 is an exploded view of the volute air intake assembly and filter cartridge assembly of FIG. 9.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It will be understood that, depending on the context, the word "if" as used herein may be interpreted as "at … …" or "at … …" or "in response to a determination".

Therefore, the application provides an air conditioner indoor unit. The indoor unit of the air conditioner comprises an air conditioner main body and a filter element assembly. The filter element assembly is provided with a filter element and a battery, and the estimated service life of the battery is positively correlated with the estimated service life of the filter element; the air conditioner main body comprises a battery detection module, a processing module and a control module, wherein the processing module is electrically connected with the battery detection module; the filter element assembly is detachably assembled on the air conditioner main body, the battery detection module can be connected with the battery when the filter element assembly is assembled on the air conditioner main body, and the control module can control the battery to supply power to a detection circuit of the battery detection module when the air conditioner indoor unit executes a fresh air function; the battery detection module is used for detecting the current state of the battery and transmitting the detected current state of the battery to the processing module, and the processing module is used for determining the current remaining service life of the battery according to the current state of the battery and determining the current remaining service life of the filter element according to the determined current remaining service life of the battery and the positive correlation between the estimated service life of the battery and the estimated service life of the filter element.

The air conditioner indoor unit can be used for a fresh air conditioner and used as an indoor unit of the fresh air conditioner.

The air conditioning indoor unit will be described in detail with reference to fig. 1 to 10. Referring to fig. 1, and as necessary with reference to fig. 2 to 10, an indoor unit 100 of an air conditioner includes an air conditioner main body 10 and a filter element assembly 20. The filter cartridge assembly 20 has a filter cartridge 21 and a battery 24, and the estimated service life of the battery 24 is positively correlated to the estimated service life of the filter cartridge 21. The air conditioner main body 10 includes a battery detection module 11, a processing module 12 electrically connected to the battery detection module 11, and a control module 13. The filter element assembly 20 is detachably assembled to the air conditioner main body 10, when the filter element assembly 20 is assembled to the air conditioner main body 10, the battery detection module 11 can be connected with the battery 24, and the control module 13 can control the battery 24 to supply power to a detection circuit of the battery detection module when the air conditioner indoor unit executes a fresh air function; the battery detection module 11 is configured to detect a current state of the battery 24, and transmit the detected current state of the battery 24 to the processing module 12, and the processing module 12 is configured to determine a current remaining service life of the battery 24 according to the current state of the battery 24, and determine the current remaining service life of the filter element 21 according to the determined current remaining service life of the battery 24 and a positive correlation between the estimated service life of the battery 24 and the estimated service life of the filter element 21.

The filter element assembly is used for filtering fresh air entering the indoor unit 100 of the air conditioner. The positive correlation between the estimated service life of the battery 24 and the estimated service life of the filter cartridge 21 herein is understood to mean that the estimated service life of the battery 24 is equal to the estimated service life of the filter cartridge 21.

The indoor unit 100 of the air conditioner has a main control circuit board. The main control circuit board is provided with a processing module and a control module. Here, the battery detection module 11 may be a single semiconductor device having a detection circuit, or may be incorporated as a single module in the main panel circuit of the air conditioning indoor unit 100.

A detection circuit switch may be disposed in the detection circuit of the battery detection module 11, and the control module may specifically control whether the detection circuit works by controlling the detection circuit switch. Specifically, when the filter element assembly 20 is assembled in the air conditioner main body 10, the battery detection module 11 can be connected to the battery 24, and the control module 13 can control the battery 24 to supply power to the detection circuit of the battery detection module when the air conditioner indoor unit executes a fresh air function by turning on and off the detection circuit switch.

In some embodiments, the battery detection module 11 is configured to detect a current voltage of the battery 24 and transmit the detected current voltage of the battery 24 to the processing module 12, and the processing module 12 is configured to determine a current remaining service life of the battery 24 according to the current voltage of the battery 24 and determine the current remaining service life of the filter cartridge 21 according to the determined current remaining service life of the battery 24 and the estimated service life of the battery 24 positively correlated with the estimated service life of the filter cartridge 21.

Taking the estimated service life of the battery 24 equal to the estimated service life of the filter element 21, which is T as an example, if the set voltage of the battery 24 is 5V. When the battery detection module 11 detects that the current voltage of the battery 24 is 3V, the current voltage 3V of the battery 24 may be transmitted to the processing module 12. The processing module 12 may determine that the current remaining life of the battery 24 is 0.6 × T according to a proportional relationship between the current voltage 3V of the battery 24 and the set voltage 5V of the battery 24, and may further determine that the current remaining life of the filter element 21 is 0.6 × T.

The set voltage of the battery 24 and the estimated service life thereof may be set according to specific conditions such as power consumption of the battery detection circuit, which is not limited in the present application.

The indoor unit of the air conditioner is generally provided with an air inlet component, and the air inlet component is provided with a corresponding air inlet fan. In some embodiments, the processing module 12 determines the current remaining useful life of the filter cartridge 21 based on the determined current remaining useful life of the battery 24 and the relationship between the estimated useful life of the battery 24 and the estimated useful life of the filter cartridge 21.

In some embodiments, the air conditioner main body 10 further includes a prompt module 14, the control module 13 is electrically connected to the prompt module 14, and the control module 13 can control the prompt module 14 to prompt the current remaining service life of the filter element 21. The processing module 12 may be connected to the control module 13, and the control module 13 may control the prompting module 14 to prompt according to the current remaining life of the filter element 21 determined by the processing module 12.

The prompting module can specifically prompt on a display panel of an indoor unit of the air conditioner or a mobile terminal which can be connected with the main control circuit board. In some embodiments, the air conditioner indoor unit 100 may have a wireless network connection module. The mobile terminal can be connected with the wireless connection module of the indoor unit of the air conditioner by installing application software corresponding to the indoor unit of the air conditioner, so that the current service life of the filter element 21 can be conveniently checked. The current remaining life of the filter element 21 may be displayed on the display panel as prompted by the display panel. The current remaining life of the filter element 21 may be displayed at the mobile terminal for prompting by the mobile terminal. In the specific prompt, the current remaining life time value of the filter element 21 may be displayed, or the ratio of the current remaining life to the total service life of the filter element 21 may be displayed.

In addition, the prompt module 14 may be further configured to issue a replacement warning prompt or the like when the current remaining life of the filter element 21 is at a low pressure that is equal to a preset life threshold, specifically, the prompt may be issued in an audio manner, such as by issuing a dripping sound, or may be issued by displaying a color of the current remaining life, such as by changing a display color of the previous remaining life to red.

As shown in fig. 2 to 10, the air conditioner main body 10 specifically includes a main body housing 103, a panel 101 disposed on the main body housing 103, and a face frame 102. The panel 101 is rotatably disposed on the main body housing 103 so as to be opened to a certain angle, for example, to an angle shown in fig. 2. The filter cartridge assembly 20 can be installed in the body housing 103 and when the panel 101 is opened, the filter cartridge assembly 20 can be assembled in the body housing 103 or disassembled from the housing 103. The face frame 102 is also rotatably disposed on the main body case 103 as an air outlet baffle for adjusting the size of the air outlet. Optionally, the panel 101 may be used as a display panel to display the current remaining useful life of the filter element.

Air conditioner main part 10 is including locating the new trend air inlet subassembly in main part casing 103, filter element group spare 20 detachably assemble in the new trend air inlet subassembly.

In some embodiments, the fresh air intake assembly is a volute casing intake assembly 104, the volute casing intake assembly 104 is provided with a filter element assembly 20 inserted into the insertion slot 1041, the filter element assembly 20 is inserted into the insertion slot 1041, and the filter element assembly 20 is located on an air inlet side of the volute casing intake assembly 104, so that the fresh air is filtered before entering the volute casing. Of course, in other embodiments, the filter element assembly may be disposed in other positions in the main body housing through other mounting structures, and the present application is not limited thereto.

The filter element assembly 20 can further comprise a filter element support with a filter element opening in the middle, besides the filter element 21 and the battery 24, the filter element 21 is arranged on the filter element support, at least part of the filter element is positioned in the filter element opening to filter passing air, and the battery 24 is arranged on the filter element support.

Referring to fig. 5 to 8, in some embodiments, the filter cartridge support includes a support upper cover 22 and a support lower cover 23 capable of being assembled with the support upper cover 22. The holder upper cover 22 includes a hollow upper cover frame 221, and the upper cover frame 221 is formed with an upper cover limit stopper wall. The bracket lower cover 23 includes a hollow lower cover frame 231, and a lower cover limit blocking wall 2314 is formed on one side of the lower cover frame 231 facing away from the bracket upper cover 22. The upper cover frame 221 and the lower cover frame 231 are assembled together, the filter element opening is formed in the middle, and the filter element 21 is disposed at the filter element opening and fixed by the upper cover limit stop wall and the lower cover limit stop wall 2314.

In some embodiments, filter element 21 is a filter structure having a rectangular cross-section. The upper cover frame 221 and the lower cover frame 231 are respectively rectangular frame structures to form a rectangular cartridge opening that fits the cartridge 21.

Referring to fig. 5 and fig. 6, in some embodiments, the upper cover frame 221 has a first latch 2201, the lower cover frame 231 has a second latch 2311 capable of cooperating with the first latch 2201, and the upper cover frame 221 and the lower cover frame 231 are assembled together by the cooperation of the first latch 2201 and the second latch 2311.

As shown in fig. 5 and fig. 6, the upper cover frame 221 has a first guiding and positioning rib 2202, and the lower cover frame 231 has a second guiding and positioning rib 2312 capable of cooperating with the first guiding and positioning rib 2202.

Specifically, the upper cover frame 221 has an upper cover side wall 2212 and an outer abutment wall 2211 located at the outer end of the upper cover side wall 2212. The first catch 2201 and the first guide positioning rib 2202 are provided on the periphery of the upper cover side wall 2212. The lower cover frame 231 has a lower cover sidewall 2313, and the side of the lower cover sidewall 2313 facing away from the rack upper cover 22 is formed with the above-mentioned lower cover stopper wall 2314. The second buckle 2311 and the second guiding and positioning rib 2312 can be specifically arranged on the side wall 2313, and the second guiding and positioning rib 2312 is specifically staggered inwards relative to the lower cover side wall 2313. When the upper cover frame 221 and the lower cover frame 231 are assembled, the first buckle 2201 and the second buckle 2311 are buckled, and the first guiding and positioning rib 2202 is clamped in the inward staggered space of the second guiding and positioning rib 2312 and the lower cover side wall 2313 and is attached to the second guiding and positioning rib 2312. The upper cover side wall 2212 is located inside the lower cover side wall 2313, and the outer abutting wall 2211 abuts against one side of the lower cover side wall 2313 departing from the lower cover limiting blocking wall 2314. Here, the top side wall 2212 can serve as a top stop wall against one side of the filter cartridge.

It should be noted that, here, the number of the first catch 2201, the second catch 2311, the first guiding and positioning rib 2202 and the second guiding and positioning rib 2312 may be multiple, so that the upper cover frame 221 and the lower cover frame 231 are assembled more firmly.

Further, the bracket lower cover 23 includes an installation part 232 located at one end of the lower cover frame 231, the installation part 232 is provided with a battery installation groove 2321, the bracket upper cover 22 includes a battery installation cover 222 corresponding to the battery installation groove 2321, the bracket upper cover 22 and the bracket lower cover 23 are assembled together, and the battery installation cover 222 can fix the battery 24 in the battery installation groove 2321.

Further, the battery mounting cover 222 has a power supply connection port 2221, the air conditioner main body 10 is provided with an elastic electric connector 105 capable of being electrically connected with the battery detection module 11, and the elastic electric connector 105 is electrically connected with the battery 24 through the power supply connection port 2221 when the filter cartridge assembly 20 is assembled to the air conditioner main body 10.

Referring to fig. 9 and 10, in some embodiments, for the assembly of the filter element assembly 20 to the volute casing intake assembly 104, the elastic electrical connector 105 may be disposed on the volute casing intake assembly 104. An avoiding opening 1042 corresponding to the power supply connection opening 2221 is arranged at the notch of the insertion groove 1041 on the volute casing air inlet component 104, so that the elastic electric connector 105 is electrically connected with the battery 24.

It should be noted that, the filter element assembly 20 is relatively firm in overall structure and not easy to disassemble after the bracket upper cover 22 and the bracket lower cover 23 are assembled. The filter cartridge assembly 20 may be replaced as a whole.

The mounting part 232 is formed with two opposite recesses 2322 at a side facing away from the lower cover frame 231, and a portion 2323 between the two recesses 2322 can be used as an attaching and detaching operation part for a user to attach and detach the filter element assembly 20.

The application provides a new trend air conditioner in addition. The fresh air conditioner comprises the air conditioner indoor unit 100. The fresh air conditioner also comprises an outdoor unit which can be matched with the air conditioner indoor unit.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. An air conditioning indoor unit, characterized in that, the air conditioning indoor unit includes:

the filter element assembly is provided with a filter element and a battery, and the estimated service life of the battery is positively correlated with the estimated service life of the filter element;

2. The indoor unit of claim 1, wherein the battery detection module is configured to detect a current voltage of the battery and transmit the detected current voltage of the battery to the processing module, and the processing module is configured to determine a current remaining service life of the battery according to the current voltage of the battery and determine the current remaining service life of the filter element according to the determined current remaining service life of the battery and a positive correlation between the estimated service life of the battery and the estimated service life of the filter element.

3. The indoor unit of claim 1, wherein the air conditioner main body further comprises a prompt module, the control module is electrically connected to the prompt module, and the control module can control the prompt module to prompt the filter element for the current remaining service life.

4. An indoor unit of an air conditioner as claimed in claim 1, wherein the air conditioner main body includes a volute air intake assembly, the volute air intake assembly is provided with a filter element assembly insertion groove, and the filter element assembly is detachably assembled to the insertion groove.

5. The indoor unit of claim 1, wherein the filter element assembly further comprises a filter element support having a filter element opening at a central portion thereof, the filter element is disposed on the filter element support and at least partially disposed at the filter element opening to filter air passing therethrough, and the battery is disposed on the filter element support.

6. The indoor unit of an air conditioner according to claim 5, wherein the filter cartridge holder includes a holder upper cover and a holder lower cover that can be assembled with the holder upper cover; the support upper cover includes hollow upper cover frame, the upper cover frame is formed with the spacing wall that keeps off of upper cover, the support lower cover includes hollow lower cover frame, the lower cover frame deviates from one side of support upper cover is formed with the spacing wall that keeps off of lower cover, the upper cover frame with the lower cover frame is assembled together, forms at the middle part the filter core opening, the filter core is located the filter core opening part, and by the spacing wall that keeps off of upper cover with the spacing wall that keeps off of lower cover is fixed.

7. The indoor unit of air conditioner as claimed in claim 6, wherein the upper cover frame is provided with a first catch, the lower cover frame is provided with a second catch capable of engaging with the first catch, and the upper cover frame and the lower cover frame are assembled together by engaging the first catch and the second catch.

8. An indoor unit of an air conditioner according to claim 7, wherein the upper cover frame is provided with a first guide positioning rib, and the lower cover frame is provided with a second guide positioning rib capable of engaging with the first guide positioning rib.

9. The indoor unit of claim 6, wherein the bracket lower cover includes a mounting part at one end of the lower cover frame, the mounting part is provided with a battery mounting groove, the bracket upper cover includes a battery mounting cover corresponding to the battery mounting groove, the bracket upper cover and the bracket lower cover are assembled together, and the battery mounting cover can fix the battery in the battery mounting groove.

10. The indoor unit of claim 9, wherein the battery installation cover has a power connection port, the air conditioner main body is provided with an elastic electric connector capable of being electrically connected with the battery detection module, and when the filter cartridge assembly is assembled to the air conditioner main body, the elastic electric connector passes through the power connection port to be electrically connected with the battery.

11. A fresh air conditioner, characterized in that the fresh air conditioner comprises an indoor unit of the air conditioner as claimed in any one of claims 1 to 10.