CN102914038A - Back cover of air-conditioning indoor unit, die thereof, air conditioner and air-conditioning indoor unit - Google Patents
Back cover of air-conditioning indoor unit, die thereof, air conditioner and air-conditioning indoor unit Download PDFInfo
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- CN102914038A CN102914038A CN2011102243790A CN201110224379A CN102914038A CN 102914038 A CN102914038 A CN 102914038A CN 2011102243790 A CN2011102243790 A CN 2011102243790A CN 201110224379 A CN201110224379 A CN 201110224379A CN 102914038 A CN102914038 A CN 102914038A
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Abstract
The embodiment of the invention discloses a back cover of an air-conditioning indoor unit, a die thereof, an air conditioner and the air-conditioning indoor unit applied to the technical field of air-conditioning. In the back cover of the air-conditioning indoor unit disclosed by the embodiment of the invention, at least two reinforcing ribs are respectively arranged in the first direction and the second direction of a back panel of the air-conditioning indoor unit, so that the strength of the back cover of the air-conditioning indoor unit is enhanced. Intersection points are formed by at least two reinforcing ribs in the first direction and at least two reinforcing ribs in the second direction, and the first direction and the second direction form an angle greater than 0, so that electromagnetic noise amplitudes of the two directions can be correspondingly counteracted at the intersection points of the reinforcing ribs when an electromagnetic noise caused by a motor in the air conditioner is transmitted in each reinforcing rib, and the electromagnetic noise radiation caused by the motor in the air conditioner is reduced.
Description
Technical field
The present invention 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 more and more higher 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 more and more higher.The noise source complexity of general indoor apparatus of air conditioner is various, and such as the position of the performance of motor, air intake grid and indoor unit casing structure etc., wherein the electromagnetic noise of motor attracts much 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, in the situation that reduce cost, the phenomenons such as attenuate indoor apparatus of air conditioner back cover material all in various degree the electromagnetic noise that causes motor increase, and affect the acoustical quality of air-conditioner.
Show the structural scheme of mechanism of existing a kind of indoor apparatus of air conditioner back cover such as Fig. 1, be provided with connection pore 2 ' and reinforcement 3 ' at indoor apparatus of air conditioner backboard 1 ', the first half of backboard 1 ' is provided with cross reinforcing 3 (1) ', vertical strengthening ribs 3 (2) ', the lower portion is provided with square reinforcement 3 (3) ', this square reinforcement 3 (3) ' adjacent limit disconnects mutually, every one side 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 larger.
Summary of the invention
The embodiment of the invention 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 embodiment of the invention provides a kind of indoor apparatus of air conditioner back cover, comprising: the indoor apparatus of air conditioner backboard;
First direction and second direction at described indoor apparatus of air conditioner backboard are respectively arranged with at least two reinforcements, and at least two reinforcements of at least two reinforcements of described first direction and second direction have intersection point; Wherein said first direction and second direction are the angle greater than 0.
Further, mounting position of motor at described 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 respectively on three limits of described square reinforcement.
Further, the reinforcement of described sphere of movements for the elephants shape is made of the reinforcement of two intersections of " annulus " shape reinforcement of its outside and its inside.
Further, the reinforcement that described mounting position of motor arranges has intersection point with at least one reinforcement of described first direction and/or second direction.
Further, on one side be connected with in addition three reinforcements at the square reinforcement of described mounting position of motor setting, on one side and square reinforcement combination formation " mouth " word shape of described in addition three reinforcements and mounting position of motor.
Further, described first direction is laterally, and second direction be vertical, and then the reinforcement in described second direction is 2 to 5, is 3 to 6 at the reinforcement of described first direction.
Further, described cross reinforcing is near the edge of described indoor apparatus of air conditioner back cover.
Further, the width of described reinforcement floats in 28 millimeters 0.5 millimeter scopes up and down, and the height of described reinforcement floats in 2 millimeters 0.5 millimeter scopes up and down.
The embodiment of the invention provides a kind of mould of indoor apparatus of air conditioner back cover, for the manufacture of above-mentioned indoor apparatus of air conditioner back cover.
The embodiment of the invention 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 embodiment of the invention also provides a kind of air-conditioner, comprises indoor apparatus of air conditioner and air-conditioner outdoor unit, and described 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 embodiment of the invention, owing to be respectively arranged with at least two reinforcements in first direction and the second direction of indoor apparatus of air conditioner backboard, so that the strength-enhanced of indoor apparatus of air conditioner back cover; And owing at least two reinforcements of first direction and at least two reinforcements of second direction intersection point being arranged, 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 being conducive to stop vibrational energy to transmit to structure top, that avoids that vibrational energy goes up largely on direction of vibration is exaggerated and the larger noise energy of radiation.Therefore the top of the indoor apparatus of air conditioner backboard of the embodiment of the invention is provided with the reinforcement of first direction and second direction, rigidity and the intensity on back cover backboard top have been strengthened, so that vibrational energy passes 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 embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
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 embodiment of the invention;
Fig. 3 is the structural representation of the another kind of indoor apparatus of air conditioner back cover that provides of the embodiment of the invention;
Fig. 4 is the reinforcement profile of indoor apparatus of air conditioner back cover in the embodiment of the invention;
Fig. 5 is in voltage stabilizing electrical testing situation, the noise pattern that existing indoor apparatus of air conditioner records when low windscreen (L);
Fig. 6 is in voltage stabilizing electrical testing situation, the noise pattern that the indoor apparatus of air conditioner of the embodiment of the invention records when low windscreen (L);
Fig. 7 is in voltage stabilizing electrical testing situation, the noise pattern that existing indoor apparatus of air conditioner records when middle windscreen (M);
Fig. 8 is in voltage stabilizing electrical testing situation, the noise pattern that the indoor apparatus of air conditioner of the embodiment of the invention records when middle windscreen (M);
Fig. 9 is in voltage stabilizing electrical testing situation, the noise pattern that existing indoor apparatus of air conditioner records when high windscreen (H);
Figure 10 is in voltage stabilizing electrical testing situation, the noise pattern that the indoor apparatus of air conditioner of the embodiment of the invention 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 low windscreen (L);
Figure 12 is under the civil power test case, the noise pattern that the indoor apparatus of air conditioner of the embodiment of the invention records when low 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 embodiment of the invention 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 embodiment of the invention records when high windscreen (H).
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention provides a kind of indoor apparatus of air conditioner back cover, and structural representation comprises as shown in Figure 2: indoor apparatus of air conditioner backboard 1, wherein:
Be provided with connection pore 2 and reinforcement 3 at indoor apparatus of air conditioner backboard 1, first direction and second direction at indoor apparatus of air conditioner backboard 1 are 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 have intersection point.
Be appreciated that, above-mentioned first direction and second direction are the angle greater than 0, be 90 degree as example take first direction and second direction among Fig. 2, and intersection point to be arranged as example at arbitrary the reinforcement 3 (1) of first direction and arbitrary the reinforcement 3 (2) of second direction.
As seen, in the indoor apparatus of air conditioner back cover of the embodiment of the invention, be respectively arranged with at least two reinforcements 3 in first direction and the second direction of indoor apparatus of air conditioner backboard 1, so that the strength-enhanced of indoor apparatus of air conditioner back cover; And owing at least two reinforcements 3 (1) of first direction and at least two reinforcements 3 (2) of second direction intersection point being arranged, 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 in the corresponding counteracting in the intersection point place of reinforcement 3, weaken the electromagnetic noise radiation that causes because of motor in the air-conditioner.
Shown in figure 2 or 3, in a specific embodiment, the mounting position of motor 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 stretch out respectively the reinforcement that a reinforcement connects a sphere of movements for the elephants shape on three limits of square reinforcement 3 (3).Here mounting position of motor refers to after the indoor apparatus of air conditioner back cover is installed to indoor apparatus of air conditioner, in the position of back cover facing to motor in the indoor apparatus of air conditioner, because larger than other local noises at the noise at this place.Therefore, need to strengthen this reinforcement 3 (3) of locating to arrange on the indoor apparatus of air conditioner backboard 1, be provided with the reinforcement 3 (3) that is square at mounting position of motor particularly in the present embodiment, and stretch out respectively the reinforcement that a reinforcement connects a sphere of movements for the elephants shape on three limits of square reinforcement 3 (3).The reinforcement of this sphere of movements for the elephants shape is made of the reinforcement of two intersections of " annulus " shape reinforcement of its outside and its inside.
With reference to shown in Figure 3, in another specific embodiment, the reinforcement 3 (3) mounting position of motor arranges 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 can be as shown in Figure 3 the sphere of movements for the elephants shape stretches out a reinforcement and is connected with a cross reinforcing 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 arranges at mounting position of motor in the present embodiment can also be connected with in addition three reinforcements 3 (4) on one side, and should be in addition the square reinforcement 3 (3) of three reinforcements 3 (4) and mounting position of motor on one side in conjunction with forming " mouth " word shapes.
In addition, because the superstructure of air-conditioning internal machine back cover is strengthened being conducive to stop vibrational energy to transmit to structure top, if test confirms vibrational energy and upwards transmits, 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 larger noise energy of radiation.Therefore need to strengthen 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 in the embodiment of the invention had both strengthened rigidity and the intensity on backboard top, rigidity and the intensity of motor mounting part have also been strengthened simultaneously, therefore the indoor apparatus of air conditioner back cover of the embodiment of the invention passes to the chassis vibrational energy, and then consumed vibrational energy, thereby reduced electromagnetic noise.
Result of the test shows for 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 by 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, make structure under the instigating that is subject to same load, the response amplitudes such as the displacement that produces, speed, acceleration reduce, and then solve the problem by the outside radiated noise energy of vibration.
If adopt sound pick-up to existing indoor apparatus of air conditioner, and adopt the noise radiation of the regulation and control indoor set of indoor apparatus of air conditioner back cover in the embodiment of the invention 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 respectively voltage stabilizing electricity and civil power 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) in voltage stabilizing electrical testing situation, is illustrated in figure 5 as the noise pattern that existing indoor apparatus of air conditioner records when low windscreen (L); The noise pattern that the indoor apparatus of air conditioner that is illustrated in figure 6 as the embodiment of the invention 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 embodiment of the invention 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 records when high windscreen (H) for the indoor apparatus of air conditioner of the embodiment of the invention as shown in figure 10;
Wherein Fig. 5 is 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 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 the employing embodiment of the invention and the peak value.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 indoor apparatus of air conditioner of the embodiment of the invention | 32.7 | 35.6 | 39.3 |
| Existing indoor apparatus of air conditioner | 37.6 | 38.2 | 40.1 |
Table 2
(2) under the civil power test case, the noise pattern that records when hanging down windscreen (L) for existing indoor apparatus of air conditioner as shown in figure 11; The noise pattern that records when the low windscreen (L) for the indoor apparatus of air conditioner of the embodiment of the invention as shown in figure 12;
The noise pattern that records when middle windscreen (M) for existing indoor apparatus of air conditioner as shown in figure 13; The noise pattern that records when middle windscreen (M) for the indoor apparatus of air conditioner of the embodiment of the invention as shown in figure 14;
The noise pattern that records when high windscreen (H) for existing indoor apparatus of air conditioner as shown in figure 15; The noise pattern that records when high windscreen (H) for the indoor apparatus of air conditioner of the embodiment of the invention as shown in figure 16;
Wherein Figure 11 is 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 the employing embodiment of the invention 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
| The wind shelves | L (decibel dB) | M(dB) | H(dB) |
| The indoor apparatus of air conditioner of the embodiment of the invention | 33.7 | 36.5 | 39.3 |
| Existing indoor apparatus of air conditioner | 35.7 | 36.8 | 40.2 |
Table 4
As from the foregoing, the indoor apparatus of air conditioner back cover of the embodiment of the invention has solved the electromagnetic noise problem that is caused by motor under voltage stabilizing electricity, civil power test case.
The embodiment of the invention also provides a kind of mould of indoor apparatus of air conditioner back cover, for the manufacture of the indoor apparatus of air conditioner back cover shown in Fig. 2 or 3, does not give unnecessary details at this.
The embodiment of the invention 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 embodiment of the invention 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.
Above indoor apparatus of air conditioner back cover and mould, air-conditioner and the indoor apparatus of air conditioner that the embodiment of the invention is provided, be described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (11)
1. an indoor apparatus of air conditioner back cover is characterized in that, comprising: the indoor apparatus of air conditioner backboard;
First direction and second direction at described indoor apparatus of air conditioner backboard are respectively arranged with at least two reinforcements, and at least two reinforcements of at least two reinforcements of described first direction and second direction have 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, mounting position of motor at described 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 respectively on three limits of described square reinforcement.
3. indoor apparatus of air conditioner back cover as claimed in claim 2 is characterized in that, the reinforcement of described sphere of movements for the elephants shape is made of the reinforcement of two intersections of " annulus " shape reinforcement of its outside and its inside.
4. indoor apparatus of air conditioner back cover as claimed in claim 2 is characterized in that, the reinforcement that described mounting position of motor arranges has intersection point with at least one reinforcement of described first direction and/or second direction.
5. indoor apparatus of air conditioner back cover as claimed in claim 2, it is characterized in that, be connected with in addition three reinforcements on one side at the square reinforcement of described mounting position of motor setting, and the square reinforcement of described in addition three reinforcements and mounting position of motor is on one side in conjunction with formation " mouth " word shape.
6. such as each described indoor apparatus of air conditioner back cover of claim 1 to 5, it is characterized in that, described first direction is laterally, and second direction be vertical, and then the reinforcement in described second direction is 2 to 5, is 3 to 6 at the reinforcement of described first direction.
7. indoor apparatus of air conditioner back cover as claimed in claim 6 is characterized in that, described cross reinforcing is near the edge of described indoor apparatus of air conditioner back cover.
8. such as each described indoor apparatus of air conditioner back cover of claim 1 to 5, it is characterized in that, the width of described reinforcement floats in 28 millimeters 0.5 millimeter scopes up and down, and the height of described 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 described indoor apparatus of air conditioner back cover is for the manufacture of such as 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 such as 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, described indoor apparatus of air conditioner comprises such as each described indoor apparatus of air conditioner back cover of claim 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110224379.0A CN102914038B (en) | 2011-08-05 | 2011-08-05 | Back cover of air-conditioning indoor unit, die thereof, air conditioner and air-conditioning indoor unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110224379.0A CN102914038B (en) | 2011-08-05 | 2011-08-05 | Back cover of air-conditioning indoor unit, die thereof, air conditioner and air-conditioning indoor unit |
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| CN102914038A true CN102914038A (en) | 2013-02-06 |
| CN102914038B CN102914038B (en) | 2015-04-29 |
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| CN201110224379.0A Active CN102914038B (en) | 2011-08-05 | 2011-08-05 | Back cover of air-conditioning indoor unit, die thereof, air conditioner and air-conditioning indoor unit |
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| CN105823192A (en) * | 2016-05-23 | 2016-08-03 | 珠海格力电器股份有限公司 | Air conditioner rear box structure and air conditioner with air conditioner rear box structure |
| CN105823192B (en) * | 2016-05-23 | 2019-03-22 | 珠海格力电器股份有限公司 | Air-conditioning rear box structure and air conditioner with the air-conditioning rear box structure |
| CN110060867A (en) * | 2019-04-30 | 2019-07-26 | 全球能源互联网研究院有限公司 | Body structure, capacitor and the transmission system of capacitor |
Also Published As
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|---|---|
| CN102914038B (en) | 2015-04-29 |
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