CN202789600U - Automobile air conditioner blower assembly - Google Patents

Automobile air conditioner blower assembly Download PDF

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Publication number
CN202789600U
CN202789600U CN 201220293424 CN201220293424U CN202789600U CN 202789600 U CN202789600 U CN 202789600U CN 201220293424 CN201220293424 CN 201220293424 CN 201220293424 U CN201220293424 U CN 201220293424U CN 202789600 U CN202789600 U CN 202789600U
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China
Prior art keywords
vibration damping
flange plate
groove
blower
cushion block
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Expired - Fee Related
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CN 201220293424
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Chinese (zh)
Inventor
巢锋
巢勇军
刘贞雷
束磊
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Hainan super force electric appliance Co., Ltd.
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Jiangsu Chaoli Electric Inc
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Abstract

The utility model provides an automobile air conditioner blower assembly, and relates to the technical field of automobile air conditioners. The automobile air conditioner blower assembly comprises a motor (6) and impellers (7), wherein the impellers (7) are fixed on a central spindle of the motor (6). The automobile air conditioner blower assembly is characterized by further comprising a flexible connection device which comprises a connecting cover (2), an anti-vibration pad block (3) and a flange plate (1). According to the automobile air conditioner blower assembly, the flexible connection device which comprises the connecting cover (2), the anti-vibration pad block (3) and the flange plate (1) is adopted, design is novel and scientific, structure is simple and reasonable, vibration-reduction and noise-reduction potential of an automobile air conditioner is developed, restraint ability to resonance peak is strong, absorption, separation, damping of vibration and noise and other effects are good, and the automobile air conditioner blower assembly is convenient to mount, safe and reliable.

Description

A kind of blower for vehicle air conditioning assembly
Technical field
The utility model relates to the automobile air conditioning technology field, relates in particular to a kind of blower for vehicle air conditioning assembly.
Background technique
Along with the steady-state growth of China's economy, people's living standard and the level of consumption improve constantly, and the use of automobile is also more and more extensive, and " car owners " are more and more general, and people are also more and more higher to the requirement of automobile driving travelling comfort simultaneously.Automotive air-conditioning system (Heating, Ventilation, Air-conditioning and Cooling-HVAC) brings superior a home from home not only for driver and passenger, has also brought the raising of working efficiency and Security simultaneously.Therefore, the application of automotive air-conditioning system is more and more extensive.Yet, the automotive air-conditioning system noise that produces in service, itself and also be one of topmost noise source of automobile.Because the blower in the automotive air-conditioning system generally is comprised of motor, impeller, and be to adopt rigid connection, the imbalance that blower brings when rotating is inevitable, this produces the noise of vibration and generation of vibration in the time of will causing blower work, this vibration and noise on human comfort level have obvious impact.Automobile internal vibration and noise are important Comfort Evaluation indexs, people have done a large amount of research to automotive air-conditioning system vibration and noise, adopt various measures by every possible means and reduce car air conditioner vibration and noise, so that car air conditioner vibration and noise condition have had larger improvement.On the basis of existing technology, further significantly reduce not a duck soup of car air conditioner vibration and noise.Yet even car air conditioner vibration and noise are only had centesimal minimizing, people are still using up hundred-percent effort.
Summary of the invention
The purpose of this utility model is, for car air conditioner vibration and Present Situation of Noise, provides a kind of blower for vehicle air conditioning assembly, with further reduction car air conditioner vibration and noise.
The purpose of this utility model realizes by following technical solution:
A kind of blower for vehicle air conditioning assembly, comprise motor, impeller, impeller is fixed on the composite reinforced motor mandrel, it is characterized in that, also comprise flexible connection devices, described flexible connection devices comprises the connection cover that is fixedly connected sequentially together, vibration damping cushion block and flange plate, connect cover and be barrel-shaped, be provided with support, flange plate is vegetable dish shape shape, be provided with groove, the vibration damping cushion block adopts the thermoplastic elastic body material to make, and described support is positioned in the groove, and the vibration damping cushion block by being fixedly connected on them between the two, be fixedly connected in the flange plate groove, motor is fixedly connected on and connects on the cover.
Described a kind of blower for vehicle air conditioning assembly is characterized in that, connects to be covered with support and bayonet socket, the vibration damping cushion block is provided with draw-in groove and is connected with positioning hole, flange plate is provided with groove, also is provided with locating column in the groove, and the vibration damping cushion block passes through draw-in groove, be installed in the bayonet socket that connects cover stent, and by positioning hole and locating column, be positioned in the groove, with the screw that is inserted in packing ring, be positioned to be fixed in the positioning hole with locating column.
Described a kind of blower for vehicle air conditioning assembly, it is characterized in that, connect and be covered with support, the vibration damping cushion block is provided with draw-in groove and is connected with positioning hole, flange plate is provided with groove, also is provided with locating column in the groove, and the vibration damping cushion block fixedly is set on the support that connects cover, and by positioning hole and locating column location, fixedly be set in the groove of flange plate.
Described a kind of blower for vehicle air conditioning assembly is characterized in that described flange plate is provided with the vibration damping slotted eye, is provided with the vibration damping slotted eye or/and connect to be covered with, or/and the vibration damping cushion block is provided with the vibration damping slotted eye.
Described a kind of blower for vehicle air conditioning assembly is characterized in that, described vibration damping slotted eye, vibration damping slotted eye, vibration damping slotted eye are sealing or open structure.
Described a kind of blower for vehicle air conditioning assembly is characterized in that, described connection cover is provided with a support at least, and the flange plate correspondence is provided with a groove and locating column at least.
Described a kind of blower for vehicle air conditioning assembly is characterized in that, described connection cover and flange plate adopt engineering plastic materials.
Described a kind of blower for vehicle air conditioning assembly is characterized in that described connection cover and flange plate adopt different types of engineering plastic materials.
The utility model blower for vehicle air conditioning assembly, employing comprises the flexible connection devices structure that connects cover, vibration damping cushion block and flange plate, the potentiality of car air conditioner reduction vibration and noise have been excavated, through test, experiment and the actual proof of using, strong to the inhibition ability of resonance peak, novel in design, science, simple and reasonable for structure, good, easy for installation, safe and reliable to action effects such as vibration and the absorption of noise, isolation, dampings.
Below in conjunction with drawings and Examples the utility model is further specified.The purpose of this utility model, advantage and disadvantage, the non-limitative illustration by following preferential embodiment makes an explanation.
Description of drawings
Fig. 1 is the utility model exploded perspective view.
Fig. 2 is a kind of structural plan of the utility model cross-sectional schematic;
Fig. 3 is the another kind of structural plan of the utility model cross-sectional schematic;
Fig. 4 is the constrained damping structure schematic representation;
In the accompanying drawing: the 1-flange plate; The 1a-groove; The 1b-locating column; 1c-vibration damping slotted eye; 2-connects cover; The 2a-support; The 2b-bayonet socket; 2c-vibration damping slotted eye; 3-vibration damping cushion block; The 3a-draw-in groove; The 3b-positioning hole; 3c-vibration damping slotted eye; The 4-packing ring; The 4a-locating column; The 5-screw; The 6-motor; The 7-impeller; The 8-fastening ring; The basic layer of X-; The Y-restraint layer; The Z-damping layer.
Embodiment
Embodiment one
A kind of blower for vehicle air conditioning assembly of the utility model, as depicted in figs. 1 and 2, comprise motor 6, impeller 7, impeller 7 is fixed on motor 6 mandrels, and install fastening ring 8 additional and fixed, the utility model also comprises flexible connection devices, described flexible connection devices comprises the connection cover 2 that once is connected to one, vibration damping cushion block 3 and flange plate 1, connect cover 2 and be designed to barrel-shaped, flange plate 1 is designed to vegetable dish shape shape, make mounting structure compact, vibration damping cushion block 3 adopts thermoplastic elastic body (Thermoplastic Elastomer-TPE) to make, as: thermoplastic polyolefin elastomer (TPE-O, TEO), thermoplastic styrene class elastomer (TES, TPE-S), polyurethanes thermoplastic elastomer (TPE) (TPE-U, the thermoplastic elastic material such as TPU), connect cover 2 and flange plate 1 employing one species or different types of metallic material, or adopt one species or different types of engineering plastics (Engineering-plastics) to make the engineering plastics of various species such as polyamide (PA), polycarbonate (PC) (PC), polyoxymethylene (POM), the variety classeses such as polyester (PBT) and PPO＝ polyphenylene oxide (PPO).Connect cover 2 and vibration damping cushion block 3 is fixedly connected with by being fixedly connected on them between the two with flange plate 1, motor 6 adopt screws fixing partly cover in to connect cover in 2.The blower assy that forms is fixedly mounted on the air-conditioning shell frame by flexible connection devices flange plate 1.Described flexible connection devices connects cover 2 by vibration damping cushion block 3, with the concrete employing following manner of being fixedly connected with of flange plate 1: be connected cover and 2 be provided with support 2a and bayonet socket 2b, vibration damping cushion block 3 is provided with draw-in groove 3a and positioning hole 3b, and flange plate 1 is provided with groove 1a, also is provided with locating column 1b among the groove 1a.Vibration damping cushion block 3 passes through draw-in groove 3a, clamps to put in place in the bayonet socket 2b that connects cover 2 supports 2 a.Connect the cover 2 vibration damping cushion block 3 to be clamped, locate among the groove 1a of the flange plate 1 of packing into, and further with the end of the positioning hole 3b of vibration damping cushion block 3, to the upper location of the locating column 1b that is enclosed within flange plate 1, with being inserted in the screw 5 in packing ring 4 holes, positioning hole 3b packs into again, simultaneously locating column 4a is placed the positioning hole 3b the other end to play the auxiliary positioning effect, be screwed into the screw on the flange plate 1 locating column 1b, tighten screw 5, vibration damping cushion block 3, connection cover 2 are fixed with flange plate 1.
The noise that the blower assy excitation causes mainly is divided into two classes, radiated noise and construct noise, wherein radiated noise mainly passes through transfer of air, construct noise transmits along solid connector element path with the form of mechanical vibration elastic wave, often can be transmitted over a long distance, as not suppressed, construct noise also can be by the vibration radiation of component surface, and the regeneration air radiated noise, this noise is more difficult solves.
Motor 6 is main vibration sources of blower.Present embodiment is fixed on flexible connection devices with motor 6 and connects on the cover 2, connect cover 2 and be provided with three, four or above support 2a, connect cover 2 peripheries at motor and become uniform or inhomogeneous layout, locate among the groove 1a that is fixed on the flange plate 1 by vibration damping cushion block 3, thereby in making motor 3 and the blower flexible connection devices being fixedly connected with, the position is accurate, load is evenly distributed, fix more reliablely, firm, and, the utility model adopts and comprises that the structural form of support 2a is equipped with the suspended structure of the rubber material vibration damping cushion block 3 that adopts, make flexible connection devices that all directions translation be arranged and rotate certain degrees of freedom, make that the vibration at center of gravity place in motor 6 runnings becomes in zero, the exciting that makes different direction no longer influences each other and complicated, resist excitation force and reduce to a certain degree, very favourable to reducing vibration.Object has the natural frequency attribute, be inversely proportional to yardstick, be directly proportional with rigidity, damping efficiency can be weighed by the ratio η of vibration frequency and natural frequency, described ratio η=vibration frequency/natural frequency produces resonance when η=1, and when vibration frequency heavy rain natural frequency, as η〉1 and when enough large, the excitation force of damping vibration preferably then.Connect the design of cover 2, vibration damping cushion block 3 and flange plate 1 structure shape by flexible connection devices, and Material selection, obviously reduced on the whole its natural frequency, away from motor 6 various vibration frequencies, described ratio η〉3, not only avoid producing resonance, simultaneously, the effect of damping motor 6 vibration excitation forces is strengthened, and effectiveness in vibration suppression will reach 80%, and that is to say only has 20% exciting vibration propagating.From the flexible connection devices decomposition texture, motor 6 be connected cover 2 all with flange plate 1 less than directly not being connected part, vibration damping cushion block 3 is fixedly connected between the support 2a and flange plate 1 that connects cover 2, the soft vibration isolation that has realized the tertiary level series connection connects, to isolate the complicated vibrational structure noise transfer that changes: namely from motor 6 to connecting cover 2, from connecting cover 2 to vibration damping cushion block 3,1 three grades of soft vibration dampings connect from vibration damping cushion block 3 to flange plate, each hierarchical link has again the natural frequency of obvious individual different characteristics, step by step motor 6 is produced the vibration damping effects, vibrational energy is converted into unordered heat energy and consumes.Elastomer has the damping characteristic that various vibrations is reduced to certain level under normal circumstances, each member of present embodiment flexible connection devices, all adopt the elasticity material, the vibration damping cushion block 3 of rubber and thermoplastic elastic material, have fabulous buffering and absorbing effect, plastics connect cover 2, flange plate 1 and vibration damping cushion block 3 structures, material is different, can cushion and absorb the vibration wave of different frequency.Adopt again dissimilar engineering plastics if plastics connect cover 2 with flange plate 1, the frequency band of buffering and absorption motor 6 vibration waves is more wide in range.Three grades of soft vibration dampings of the utility model design connect, and belong to multistage constrained damping structure, than the free damping structure more energy that dissipates.Its principle as shown in Figure 4, when producing vibration with the fixing damping layer Z of basic layer X with basic layer X, and damping layer Z is produced when being out of shape, because the elastic feel quantity that is fixed on damping layer opposite side restraint layer Y is different from the elastic feel quantity of damping layer Z, so this posterior limiting will play the effect of restriction damping layer Z.Because the distortion that the basic layer X contact surface of damping layer Z and vibration produces is different from the distortion that the surface that contact with restraint layer Y produces, thereby at the additional deformation of damping layer Z material internal generation shearing and so on.Therefore in the constrained damping structure, because damping layer Z has born additional deformation, they can both play the power consumption effect, the constrained damping structure more energy that dissipates.Three grades of soft vibration damping connection devices of the utility model connect flexible connection devices from motor 6, to being fixed on the air-conditioning shell frame, then can resolve into a plurality of constrained damping structures, and the damping layer Z of prime or restraint layer Y can be considered basic layer X or the damping layer Z of rear class.Connect through the soft vibration isolation of flexible connection devices classification, at level, vertical and sense of rotation damping, separating vibration, greatly reduced because vibration, the unbalanced electromagnetic force that blower motor 6 rotor rotation imbalances and impeller 7 rotation imbalances cause makes motor 6 produce electric and magnetic oscillation and other vibrations and noises thereof.
The utility model and prior art adopt the PULSE multi-analyser in the identical situation of other conditions, at the blower different parts, carry out all directions vibration acceleration test comparison, and blower is test result such as following table under unloaded state:
Figure DEST_PATH_IMAGE002A
The utility model and prior art adopt the PULSE multi-analyser to carry out noise testing contrast, test environment semianechoic room in the identical situation of other conditions, ambient noise is 20dB (A), blower is tested the noise apart from 1 meter of MIC microphone, result such as following table under unloaded state:
Figure DEST_PATH_IMAGE004A
Be not difficult to find that the blower assy noise is higher separately by test result analysis, and blower is assemblied in automotive air-conditioning system (HVAC) assembly, the ingenious hierarchical link (progression) that increased, occur on the structure changing, even in higher operating voltage situation, and overall noise has reduction.And the utility model blower assy flexible connection devices is provided with more hierarchical link, and well-designed linkage structure disposes the different materials of each hierarchical link meticulously, vibration and noise is had more significantly reduce.
Embodiment two
Present embodiment and embodiment's one basic simlarity, difference be as shown in Figure 3: flexible connection devices connects the form that is fixedly connected with of cover 2, vibration damping cushion block 3 and flange plate 1.Present embodiment vibration damping cushion block 3 fixedly is set in support 2 a upper (the two interference fit) that connect cover 2, and fixed installation puts in place, to be set in again and connect among the groove 1a that the upper vibration damping cushion block 3 of cover 2 supports 2 a fixedly is set in flange plate 1 (the two interference fit), and the positioning hole of vibration damping cushion block 3 connected 3b, cover fixes on the upper location of locating column 1b of flange plate 1.
In addition, the present embodiment difference is at flange plate 1, connects cover 2 and vibration damping cushion block 3, be provided with respectively the sealings (unmatchful outward opening) such as vibration damping slotted eye 1c, vibration damping slotted eye 2c and vibration damping slotted eye 3c or do not seal the slotted eye of (pair outward opening is arranged), all can reduce the rigidity of member, reduce its natural frequency, and, described groove is or/and the hole also can be regarded as Helmholtz resonator, the described slotted eye of reasonable Arrangement, form the parallel connection of a plurality of resonators, to absorb the noise of different frequency, further strengthen the effect of buffering and absorption vibration and noise.
The above-mentioned embodiment who enumerates is as an illustration example only, is not the restriction that the utility model is done.The utility model can also adopt alternate manner to implement, and does not give unnecessary details one by one at this.Every employing is equal to the technological scheme of replacement or equivalent transformation formation, all belongs to the protection domain of the utility model requirement.

Claims (8)

1. blower for vehicle air conditioning assembly, comprise motor (6), impeller (7), impeller (7) is fixed on motor (6) mandrel, it is characterized in that, also comprise flexible connection devices, described flexible connection devices comprises the connection cover (2) that is fixedly connected sequentially together, vibration damping cushion block (3) and flange plate (1), connect cover (2) and be barrel-shaped, be provided with support (2a), the disk-shaped shape of flange plate (1), be provided with groove (1a), vibration damping cushion block (3) adopts the thermoplastic elastic body material to make, and described support (2a) is positioned in the groove (1a), and the vibration damping cushion block (3) by being fixedly connected on them between the two, be fixedly connected in flange plate (1) groove (1a), motor (6) is fixedly connected on and connects on the cover (2).
2. described a kind of blower for vehicle air conditioning assembly according to claim 1, it is characterized in that, connect cover (2) and be provided with support (2a) and bayonet socket (2b), vibration damping cushion block (3) is provided with draw-in groove (3a) and is connected (3b) with positioning hole, flange plate (1) is provided with groove (1a), also be provided with locating column (1b) in the groove (1a), vibration damping cushion block (3) is by draw-in groove (3a), be installed in the bayonet socket (2b) that connects cover (2) support (2a), and by positioning hole (3b) and locating column (1b), be positioned in the groove (1a), with being inserted in the screw (5) of packing ring (4), be positioned to be fixed in the positioning hole (3b) with locating column (4a).
3. a kind of blower for vehicle air conditioning assembly according to claim 1, it is characterized in that, connect cover (2) and be provided with support (2a), vibration damping cushion block (3) is provided with draw-in groove (3a) and is connected (3b) with positioning hole, flange plate (1) is provided with groove (1a), also be provided with locating column (1b) in the groove (1a), vibration damping cushion block (3) fixedly is set on the support (2a) that connects cover (2), and by positioning hole (3b) and locating column (1b) location, fixedly be set in the groove (1a) of flange plate (1).
4. a kind of blower for vehicle air conditioning assembly according to claim 1, it is characterized in that, described flange plate (1) is provided with vibration damping slotted eye (1c), is provided with vibration damping slotted eye (2c) or/and connect cover (2), or/and vibration damping cushion block (3) is provided with vibration damping slotted eye (3c).
5. a kind of blower for vehicle air conditioning assembly according to claim 4 is characterized in that, described vibration damping slotted eye (1c), vibration damping slotted eye (2c), vibration damping slotted eye (3c) are sealing or open structure.
6. a kind of blower for vehicle air conditioning assembly according to claim 1 is characterized in that, described connection cover (2) is provided with 3 supports (2a) at least, and flange plate (1) correspondence is provided with 3 grooves (1a) and locating column (1b) at least.
7. a kind of blower for vehicle air conditioning assembly according to claim 1 is characterized in that, described connection cover (2) and flange plate (1) adopt engineering plastic materials.
8. a kind of blower for vehicle air conditioning assembly according to claim 1 is characterized in that, described connection cover (2) and flange plate (1) adopt different types of engineering plastic materials.
CN 201220293424 2012-06-21 2012-06-21 Automobile air conditioner blower assembly Expired - Fee Related CN202789600U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102720707A (en) * 2012-06-21 2012-10-10 江苏超力电器有限公司 Blower assembly of automotive air conditioning
CN105114342A (en) * 2015-09-11 2015-12-02 珠海格力电器股份有限公司 Volute fan
CN105134652A (en) * 2015-10-09 2015-12-09 珠海格力电器股份有限公司 Impeller assembly, air conditioner, range hood and vibration damping method of impeller assembly
CN105620227A (en) * 2015-12-29 2016-06-01 博耐尔汽车电气系统有限公司 Novel vibration absorption structure of draught fan of automotive air conditioner

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102720707A (en) * 2012-06-21 2012-10-10 江苏超力电器有限公司 Blower assembly of automotive air conditioning
CN105114342A (en) * 2015-09-11 2015-12-02 珠海格力电器股份有限公司 Volute fan
CN105114342B (en) * 2015-09-11 2018-11-02 珠海格力电器股份有限公司 A kind of spiral case wind turbine
CN105134652A (en) * 2015-10-09 2015-12-09 珠海格力电器股份有限公司 Impeller assembly, air conditioner, range hood and vibration damping method of impeller assembly
CN105620227A (en) * 2015-12-29 2016-06-01 博耐尔汽车电气系统有限公司 Novel vibration absorption structure of draught fan of automotive air conditioner

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Owner name: HAINAN CHAOLI ELECTRIC APPLIANCE CO., LTD.

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Address after: 570216, M-23 Industrial Park, Haikou high tech Zone, Hainan, China (two)

Patentee after: Hainan super force electric appliance Co., Ltd.

Address before: 212325, Zhenjiang, Jiangsu, Danyang Province, visit the town of fairy Road, No. 59

Patentee before: Chaoli Electrical Appliances Co., Ltd., Jiangsu

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130313

Termination date: 20180621

CF01 Termination of patent right due to non-payment of annual fee