CN202195565U - Rear cover of indoor unit of air conditioner, mould of rear cover, air conditioner and indoor unit of air conditioner - Google Patents
Rear cover of indoor unit of air conditioner, mould of rear cover, air conditioner and indoor unit of air conditioner Download PDFInfo
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- CN202195565U CN202195565U CN2011202844872U CN201120284487U CN202195565U CN 202195565 U CN202195565 U CN 202195565U CN 2011202844872 U CN2011202844872 U CN 2011202844872U CN 201120284487 U CN201120284487 U CN 201120284487U CN 202195565 U CN202195565 U CN 202195565U
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- air conditioner
- indoor apparatus
- reinforcement
- back cover
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Abstract
The embodiment of the utility model discloses a rear cover of an indoor unit of an air conditioner, a mould of the rear cover, the air conditioner and the indoor unit of the air conditioner, which are applied to the field of air conditioner technology. In the rear cover of the indoor unit of the air conditioner, at least two reinforcing ribs are respectively arranged on a back plate of the indoor unit of the air conditioner in a first direction and a second direction so as to enhance the strength of the rear cover of the indoor unit of the air conditioner; as the at least two reinforcing ribs in the first direction and the at least two reinforcing ribs in the second direction are intersected, and an angle with more than 0 degree is formed between the first direction and the second direction, so that when electromagnetic noise caused by a motor in the air conditioner is spread in each reinforcing rib, the amplitudes of the electromagnetic noise in two directions can be correspondingly counteracted in the intersecting positions of the reinforcing ribs so as to weaken the electromagnetic noise radiation caused by the motor in the air conditioner.
Description
Technical field
The utility model relates to air-conditioning technical field, particularly indoor apparatus of air conditioner back cover and mould thereof, air-conditioner and indoor apparatus of air conditioner.
Background technology
Along with living standard improves, people are increasingly high to the functional requirement of air-conditioner, and the noise that produces when air-conditioner move especially the noisy environment requirement of indoor set is also increasingly high.The noise source complicacy of general indoor apparatus of air conditioner is various, and such as the position of motor properties, air intake grid and indoor set shell structure etc., wherein the electromagnetic noise of motor causes people's attention most.
The single mode of passing through rubber damping pad that has in more existing air-conditioners can't thoroughly solve the electromagnetic noise problem of motor, and the design of existing indoor apparatus of air conditioner is single from structural strength, and does not consider the electromagnetic noise aspect.In addition, under situation about reducing cost, phenomenons such as attenuate indoor apparatus of air conditioner back cover material all in various degree the electromagnetic noise that causes motor increase, and influence the acoustical quality of air-conditioner.
Show the structural scheme of mechanism of existing a kind of indoor apparatus of air conditioner back cover like Fig. 1; Indoor apparatus of air conditioner backboard 1 ' is provided with and connects pore 2 ' and reinforcement 3 '; The first half of backboard 1 ' is provided with horizontal reinforcement 3 (1) ', vertical strengthening ribs 3 (2) '; The lower portion is provided with square reinforcement 3 (3) '; This square reinforcement 3 (3) ' adjacent limit breaks off mutually, and each limit of square reinforcement is all stretched out a reinforcement and is connected a sphere of movements for the elephants shape reinforcement, and this kind indoor apparatus of air conditioner electromagnetic noise is bigger.
Summary of the invention
The utility model embodiment provides indoor apparatus of air conditioner back cover and mould, air-conditioner and indoor apparatus of air conditioner, can weaken the electromagnetic noise radiation that causes because of motor in the air-conditioner.
The utility model embodiment provides a kind of indoor apparatus of air conditioner back cover, comprising: the indoor apparatus of air conditioner backboard;
On the first direction of said indoor apparatus of air conditioner backboard and second direction, be respectively arranged with at least two reinforcements, and at least two reinforcements of at least two reinforcements of said first direction and second direction there is intersection point; Wherein said first direction and second direction are the angle greater than 0.
Further; Motor installation site at said indoor apparatus of air conditioner backboard is provided with the reinforcement that is square; The limit that this square reinforcement is adjacent links to each other, and the reinforcement that a reinforcement connects a sphere of movements for the elephants shape is stretched out on three limits of described square reinforcement respectively.
Further, the reinforcement of said sphere of movements for the elephants shape is made up of two inner crossed reinforced muscle of its outside " annulus " shape reinforcement and its.
Further, the reinforcement that said motor installation site is provided with has intersection point with at least one reinforcement of said first direction and/or second direction.
Further, on one side the square reinforcement that is provided with in said motor installation site is connected with three reinforcements in addition, on one side and said three reinforcements in addition combine formation " mouth " word shape with the square reinforcement of motor installation site.
Further, said first direction is laterally, and second direction be vertical, and then the reinforcement in said second direction is 2 to 5, is 3 to 6 at the reinforcement of said first direction.
Further, said horizontal reinforcement is near the edge of said indoor apparatus of air conditioner back cover.
Further, the width of said reinforcement floats in 28 millimeters 0.5 millimeter scopes up and down, and the height of said reinforcement floats in 2 millimeters 0.5 millimeter scopes up and down.
The utility model embodiment provides a kind of mould of indoor apparatus of air conditioner back cover, is used to make above-mentioned indoor apparatus of air conditioner back cover.
The utility model embodiment also provides a kind of indoor apparatus of air conditioner, and this indoor apparatus of air conditioner comprises above-mentioned indoor apparatus of air conditioner back cover.
The utility model embodiment also provides a kind of air-conditioner, comprises indoor apparatus of air conditioner and air-conditioner outdoor unit, and said indoor apparatus of air conditioner comprises above-mentioned indoor apparatus of air conditioner back cover.
In the indoor apparatus of air conditioner back cover of the utility model embodiment, owing on the first direction of indoor apparatus of air conditioner backboard and second direction, be respectively arranged with at least two reinforcements, make the intensity enhancing of indoor apparatus of air conditioner back cover; And owing to intersection point is arranged at least two reinforcements of first direction and at least two reinforcements of second direction; Wherein first direction and second direction are the angle greater than 0; When the electromagnetic noise that is caused by motor in the air-conditioner was propagated in every reinforcement, the electromagnetic noise amplitude of both direction can be in the corresponding counteracting in the intersection point place of reinforcement like this.
In addition, because the superstructure of indoor apparatus of air conditioner backboard strengthens helping stoping vibrational energy to transmit to structure top, that avoids that vibrational energy goes up largely on direction of vibration is exaggerated and the bigger noise energy of radiation.Therefore the top of the indoor apparatus of air conditioner backboard of the utility model embodiment is provided with the reinforcement of first direction and second direction; The rigidity and the intensity on back cover backboard top have been strengthened; Make vibrational energy pass to the cabinet-type air conditioner chassis; And then the consumption vibrational energy, weakened the electromagnetic noise radiation that causes because of motor in the air-conditioner.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural scheme of mechanism of existing indoor apparatus of air conditioner back cover;
Fig. 2 is the structural representation of a kind of indoor apparatus of air conditioner back cover of providing of the utility model embodiment;
Fig. 3 is the structural representation of the another kind of indoor apparatus of air conditioner back cover that provides of the utility model embodiment;
Fig. 4 is the reinforcement profile of indoor apparatus of air conditioner back cover among the utility model embodiment;
Fig. 5 is under voltage stabilizing electrical testing situation, the noise pattern that existing indoor apparatus of air conditioner records when hanging down windscreen (L);
Fig. 6 is under voltage stabilizing electrical testing situation, the noise pattern that the indoor apparatus of air conditioner of the utility model embodiment records when hanging down windscreen (L);
Fig. 7 is under voltage stabilizing electrical testing situation, the noise pattern that existing indoor apparatus of air conditioner records when middle windscreen (M);
Fig. 8 is under voltage stabilizing electrical testing situation, the noise pattern that the indoor apparatus of air conditioner of the utility model embodiment records when middle windscreen (M);
Fig. 9 is under voltage stabilizing electrical testing situation, the noise pattern that existing indoor apparatus of air conditioner records when high windscreen (H);
Figure 10 is under voltage stabilizing electrical testing situation, the noise pattern that the indoor apparatus of air conditioner of the utility model embodiment records when high windscreen (H);
Figure 11 is under the civil power test case, the noise pattern that existing indoor apparatus of air conditioner records when hanging down windscreen (L);
Figure 12 is under the civil power test case, the noise pattern that the indoor apparatus of air conditioner of the utility model embodiment records when hanging down windscreen (L);
Figure 13 is under the civil power test case, the noise pattern that existing indoor apparatus of air conditioner records when middle windscreen (M);
Figure 14 is under the civil power test case, the noise pattern that the indoor apparatus of air conditioner of the utility model embodiment records when middle windscreen (M);
Figure 15 is under the civil power test case, the noise pattern that existing indoor apparatus of air conditioner records when high windscreen (H);
Figure 16 is under the civil power test case, the noise pattern that the indoor apparatus of air conditioner of the utility model embodiment records when high windscreen (H).
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of indoor apparatus of air conditioner back cover, and structural representation is as shown in Figure 2, comprising: indoor apparatus of air conditioner backboard 1, wherein:
Indoor apparatus of air conditioner backboard 1 is provided with and connects pore 2 and reinforcement 3; On the first direction of indoor apparatus of air conditioner backboard 1 and second direction, be respectively arranged with at least two reinforcements 3, and at least two reinforcements 3 (2) of at least two reinforcements 3 (1) of first direction and second direction there is intersection point.
Be appreciated that above-mentioned first direction and second direction are the angle greater than 0, being 90 degree with first direction and second direction among Fig. 2 is example, and with arbitrary the reinforcement 3 (2) in arbitrary reinforcement of first direction 3 (1) and second direction intersection point to be arranged all be example.
It is thus clear that, in the indoor apparatus of air conditioner back cover of the utility model embodiment, on the first direction of indoor apparatus of air conditioner backboard 1 and second direction, be respectively arranged with at least two reinforcements 3, make the intensity enhancing of indoor apparatus of air conditioner back cover; And owing to intersection point is arranged at least two reinforcements 3 (1) of first direction and at least two reinforcements 3 (2) of second direction; Wherein first direction and second direction are the angle greater than 0; Like this when the electromagnetic noise that is caused by motor in the air-conditioner is propagated in every reinforcement 3; The electromagnetic noise amplitude of both direction can weaken the electromagnetic noise radiation that causes because of motor in the air-conditioner in the corresponding counteracting in the intersection point place of reinforcement 3.
Shown in figure 2 or 3; In a concrete embodiment; The motor installation site of the indoor apparatus of air conditioner backboard 1 in the indoor apparatus of air conditioner back cover is provided with the reinforcement 3 (3) that is square; The limit that this square reinforcement is adjacent links to each other, and stretches out the reinforcement that a reinforcement connects a sphere of movements for the elephants shape respectively on three limits of square reinforcement 3 (3).Here the motor installation site is meant after the indoor apparatus of air conditioner back cover is installed to indoor apparatus of air conditioner, on back cover, faces toward the position of motor in the indoor apparatus of air conditioner, because bigger than other local noises at the noise at this place.Therefore; Need strengthen this reinforcement of locating to be provided with on the indoor apparatus of air conditioner backboard 13 (3); Be provided with the reinforcement 3 (3) that is square in the present embodiment particularly in the motor installation site, and stretch out the reinforcement that a reinforcement connects a sphere of movements for the elephants shape respectively on three limits of square reinforcement 3 (3).The reinforcement of this sphere of movements for the elephants shape is made up of two inner crossed reinforced muscle of its outside " annulus " shape reinforcement and its.
With reference to shown in Figure 3, in another concrete embodiment, the reinforcement 3 (3) that is provided with in the motor installation site can have intersection point with at least one reinforcement 3 (1) of first direction and/or at least one reinforcement 3 (2) of second direction.Particularly, the reinforcement that is the sphere of movements for the elephants shape that can be as shown in Figure 3 stretches out a reinforcement and is connected with a horizontal reinforcement near the lower end on the limit, and waling all with square reinforcement 3 (3) one side be connected.And being not limited to the shape shown in Fig. 3 at the reinforcement of motor position processing and the reinforcement of first direction and second direction, can also be other arbitrary shapes.
In addition, the square reinforcement 3 (3) that is provided with in the motor installation site in the present embodiment can also be connected with three reinforcements 3 (4) in addition on one side, and should be in addition the square reinforcement 3 (3) of three reinforcements 3 (4) and motor installation site Yi Bian combine formation " mouth " word shape.
In addition; Because the superstructure of air-conditioning internal machine back cover is strengthened helping stoping vibrational energy to transmit to structure top; If test confirms vibrational energy and upwards transmits that because the problems such as constraint of structure, top is equivalent to cantilever position; The amplification that vibrational energy will be gone up largely, thereby the bigger noise energy of radiation.Therefore need to strengthen the rigidity and the intensity on indoor apparatus of air conditioner backboard top, vibrational energy is passed to the cabinet-type air conditioner chassis, and then consume vibrational energy.Indoor apparatus of air conditioner back cover among the utility model embodiment had both strengthened the rigidity and the intensity on backboard top; The rigidity and the intensity of motor mounting part have also been strengthened simultaneously; Therefore the indoor apparatus of air conditioner back cover of the utility model embodiment passes to the chassis vibrational energy; And then consumed vibrational energy, thereby reduced electromagnetic noise.
Result of the test shows to weakness zone strengthens having good effect, and vibrational energy is decayed to some extent, and the noise energy that gives off obtains certain control, and city's electric noise test result is good; For the backboard sheet metal component; Mode through reinforcement is difficult for the intrinsic frequency of backboard two frequency multiplication 100Hz away from supply frequency; Therefore need from strengthening the rigidity of structure, the intensity aspect is considered, is made structure under the instigating that receives same load; Response amplitudes such as the displacement that produces, speed, acceleration reduce, and then solve the problem through the outside radiated noise energy of vibration.
If adopt sound pick-up to existing indoor apparatus of air conditioner with adopt the noise radiation of the regulation and control indoor set of indoor apparatus of air conditioner back cover among the utility model embodiment to test, sound pick-up is placed on 1m place before the indoor apparatus of air conditioner, and sound pick-up is apart from ground level 1m; And be provided with voltage stabilizing electricity and civil power respectively to indoor apparatus of air conditioner, and indoor apparatus of air conditioner tests under the pattern of low wind shelves (L), middle windscreen (M) and high wind shelves (H) respectively, then:
(1) under voltage stabilizing electrical testing situation, is illustrated in figure 5 as the noise pattern that existing indoor apparatus of air conditioner records when hanging down windscreen (L); The noise pattern that the indoor apparatus of air conditioner that is illustrated in figure 6 as the utility model embodiment records when low windscreen (L);
Be illustrated in figure 7 as the noise pattern that existing indoor apparatus of air conditioner records when middle windscreen (M); Be illustrated in figure 8 as the noise pattern that the indoor apparatus of air conditioner of the utility model embodiment records when middle windscreen (M);
Be illustrated in figure 9 as the noise pattern that existing indoor apparatus of air conditioner records when high windscreen (H); The noise pattern that when high windscreen (H), records for the indoor apparatus of air conditioner of the utility model embodiment shown in figure 10;
Wherein Fig. 5 is a frequency noise to the abscissa of the spectrogram of Figure 10, and ordinate is the noise amplitude.
Then the contrast through spectrogram can draw following data and conclusion: the noise total value test number of two kinds of indoor apparatus of air conditioner is as shown in table 1 below; The noise peak test data is as shown in table 2 below; Then, can reduce behind the noise total value of the indoor apparatus of air conditioner of the indoor apparatus of air conditioner back cover of employing the utility model embodiment and the peak value with respect to existing indoor apparatus of air conditioner.Wherein the noise total value of each windscreen is under the corresponding windscreen in the table 1, and noise amplitude envelope line is to the area of reference axis in the noise pattern that records.
Table 1
| The wind shelves | L (decibel dB) | M(dB) | H(dB) |
| The air conditioning chamber of the utility model embodiment | ?32.7 | 35.6 | 39.3 |
| Interior machine | |||
| Existing indoor apparatus of air conditioner | 37.6 | 38.2 | 40.1 |
Table 2
(2) under the civil power test case, shown in figure 11 for have the noise pattern that indoor apparatus of air conditioner records now when hanging down windscreen (L); The noise pattern that the indoor apparatus of air conditioner of the utility model embodiment of being shown in figure 12 records when hanging down windscreen (L);
Shown in figure 13 for have the noise pattern that indoor apparatus of air conditioner records now when middle windscreen (M); The noise pattern that when middle windscreen (M), records for the indoor apparatus of air conditioner of the utility model embodiment shown in figure 14;
Shown in figure 15 for have the noise pattern that indoor apparatus of air conditioner records now when high windscreen (H); The noise pattern that when high windscreen (H), records for the indoor apparatus of air conditioner of the utility model embodiment shown in figure 16;
Wherein Figure 11 is a frequency noise to the abscissa of the spectrogram of Figure 16, and ordinate is the noise amplitude.
Then the contrast through spectrogram can draw following data and conclusion:
The noise total value test number of two kinds of indoor apparatus of air conditioner is as shown in table 3 below; The noise peak test data is as shown in table 4 below; With respect to existing indoor apparatus of air conditioner, can reduce behind the noise total value of the indoor apparatus of air conditioner of the indoor apparatus of air conditioner back cover of employing the utility model embodiment and the peak value.Wherein the noise total value of each windscreen is under the corresponding windscreen in the table 3, and noise amplitude envelope line is to the area of reference axis in the noise pattern that records.
Table 3
Table 4
By on can know that the indoor apparatus of air conditioner back cover of the utility model embodiment has solved the electromagnetic noise problem that is caused by motor under voltage stabilizing electricity, civil power test case.
The utility model embodiment also provides a kind of mould of indoor apparatus of air conditioner back cover, is used to make the indoor apparatus of air conditioner back cover shown in Fig. 2 or 3, does not give unnecessary details at this.
The utility model embodiment also provides a kind of indoor apparatus of air conditioner, comprising the indoor apparatus of air conditioner back cover shown in Fig. 2 or 3, does not give unnecessary details at this.
The utility model embodiment also provides a kind of air-conditioner, comprises indoor apparatus of air conditioner and air-conditioner outdoor unit, wherein comprises the indoor apparatus of air conditioner back cover shown in Fig. 2 or 3 in the indoor apparatus of air conditioner, does not give unnecessary details at this.
More than indoor apparatus of air conditioner back cover and mould, air-conditioner and indoor apparatus of air conditioner that the utility model embodiment is provided; Carried out detailed introduction; Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that on the specific embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (11)
1. an indoor apparatus of air conditioner back cover is characterized in that, comprising: the indoor apparatus of air conditioner backboard;
On the first direction of said indoor apparatus of air conditioner backboard and second direction, be respectively arranged with at least two reinforcements, and at least two reinforcements of at least two reinforcements of said first direction and second direction there is intersection point; Wherein said first direction and second direction are the angle greater than 0.
2. indoor apparatus of air conditioner back cover as claimed in claim 1; It is characterized in that; Motor installation site at said indoor apparatus of air conditioner backboard is provided with the reinforcement that is square; The limit that this square reinforcement is adjacent links to each other, and the reinforcement that a reinforcement connects a sphere of movements for the elephants shape is stretched out on three limits of described square reinforcement respectively.
3. indoor apparatus of air conditioner back cover as claimed in claim 2 is characterized in that, the reinforcement of said sphere of movements for the elephants shape is made up of two inner crossed reinforced muscle of its outside " annulus " shape reinforcement and its.
4. indoor apparatus of air conditioner back cover as claimed in claim 2 is characterized in that, the reinforcement that said motor installation site is provided with has intersection point with at least one reinforcement of said first direction and/or second direction.
5. indoor apparatus of air conditioner back cover as claimed in claim 2; It is characterized in that; The square reinforcement that is provided with in said motor installation site is connected with three reinforcements in addition on one side, on one side and said three reinforcements in addition combine formation " mouth " word shape with the square reinforcement of motor installation site.
6. like each described indoor apparatus of air conditioner back cover of claim 1 to 5, it is characterized in that said first direction is laterally, second direction be vertical, and then the reinforcement in said second direction is 2 to 5, is 3 to 6 at the reinforcement of said first direction.
7. indoor apparatus of air conditioner back cover as claimed in claim 6 is characterized in that, said horizontal reinforcement is near the edge of said indoor apparatus of air conditioner back cover.
8. like each described indoor apparatus of air conditioner back cover of claim 1 to 5, it is characterized in that the width of said reinforcement floats in 28 millimeters 0.5 millimeter scopes up and down, the height of said reinforcement floats in 2 millimeters 0.5 millimeter scopes up and down.
9. the mould of an indoor apparatus of air conditioner back cover is characterized in that, the mould of said indoor apparatus of air conditioner back cover is used for making like each described indoor apparatus of air conditioner back cover of claim 1 to 8.
10. an indoor apparatus of air conditioner is characterized in that, comprises like each described indoor apparatus of air conditioner back cover of claim 1 to 8.
11. an air-conditioner is characterized in that, comprises indoor apparatus of air conditioner and air-conditioner outdoor unit, said indoor apparatus of air conditioner comprises like each described indoor apparatus of air conditioner back cover of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202844872U CN202195565U (en) | 2011-08-05 | 2011-08-05 | Rear cover of indoor unit of air conditioner, mould of rear cover, air conditioner and indoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202844872U CN202195565U (en) | 2011-08-05 | 2011-08-05 | Rear cover of indoor unit of air conditioner, mould of rear cover, air conditioner and indoor unit of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202195565U true CN202195565U (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202844872U Expired - Lifetime CN202195565U (en) | 2011-08-05 | 2011-08-05 | Rear cover of indoor unit of air conditioner, mould of rear cover, air conditioner and indoor unit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202195565U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914038A (en) * | 2011-08-05 | 2013-02-06 | 珠海格力电器股份有限公司 | Back cover of air-conditioning indoor unit, die thereof, air conditioner and air-conditioning indoor unit |
| CN103423841A (en) * | 2012-05-23 | 2013-12-04 | 珠海格力电器股份有限公司 | Method and system for linkage control of door access and air conditioner |
-
2011
- 2011-08-05 CN CN2011202844872U patent/CN202195565U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914038A (en) * | 2011-08-05 | 2013-02-06 | 珠海格力电器股份有限公司 | Back cover of air-conditioning indoor unit, die thereof, air conditioner and air-conditioning indoor unit |
| CN102914038B (en) * | 2011-08-05 | 2015-04-29 | 珠海格力电器股份有限公司 | Back cover of air-conditioning indoor unit, die thereof, air conditioner and air-conditioning indoor unit |
| CN103423841A (en) * | 2012-05-23 | 2013-12-04 | 珠海格力电器股份有限公司 | Method and system for linkage control of door access and air conditioner |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120418 Effective date of abandoning: 20150429 |