CN205356009U - Motor cabinet, motor assembly with same and overhead vehicle air conditioner - Google Patents
Motor cabinet, motor assembly with same and overhead vehicle air conditioner Download PDFInfo
- Publication number
- CN205356009U CN205356009U CN201620103129.XU CN201620103129U CN205356009U CN 205356009 U CN205356009 U CN 205356009U CN 201620103129 U CN201620103129 U CN 201620103129U CN 205356009 U CN205356009 U CN 205356009U
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- Prior art keywords
- electric machine
- motor cabinet
- flanging
- external rotor
- motor
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- 238000009434 installation Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 47
- 239000004744 fabric Substances 0.000 abstract 1
- 241000521257 Hydrops Species 0.000 description 4
- 206010030113 Oedema Diseases 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009290 primary effect Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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- Motor Or Generator Frames (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a motor cabinet, the motor cabinet is used for fixed external rotor electric machine, install the fan blade on external rotor electric machine's the rotor, wherein, the motor cabinet includes the bottom plate and is located edgefold towards the motor side on the bottom plate the edgefold with the junction cloth of bottom plate has the notch, the notch runs through the bottom plate and/or the edgefold of motor cabinet. The utility model discloses a motor cabinet can make the water that gets into in the fitting clearance easily discharge when reducing the water that gets into in the fitting clearance to, after installing with the external rotor electric machine cooperation, can prevent that water from getting into external rotor electric machine, avoid the motor short circuit, burn out the emergence of accident. The utility model also discloses a motor element and overhead type vehicle air conditioner.
Description
Technical field
This utility model relates to a kind of motor cabinet.This utility model further relates to electric machine assembly and the overhead type air conditioner for vehicles with aforementioned motor seat.
Background technology
It is used in the external rotor electric machine in overhead type vehicle (such as caravan) air-conditioner under ensureing stable performance, reliable premise, also needs the function possessing the severe vehicle environment such as rainproof, carwash.Traditional external rotor electric machine only waterproof construction by carrying carries out waterproof, but than under relatively rugged environment (when such as storm or carwash etc.), always have a little water and splash to external rotor electric machine outer surface, these water of outer surface with the high speed rotating of motor possibly into motor internal, it is easy to cause electric motor short circuit.
This type of external rotor electric machine is fixed on air conditioner chassis usually by motor cabinet, and the motor cabinet of prior art itself does not have any water-proof function, uses the electric machine assembly of the motor cabinet of prior art to only have the waterproof construction that external rotor electric machine carries.This electric machine assembly, after drenching with rain and tearing machine open, all finds there is a little globule on stator core, stator end cap, rotor core, and water proofing property is poor.For avoiding this unfavorable situation to occur, prior art often can only adopt the external rotor electric machine of high classification of waterproof.But, the classification of waterproof of external rotor electric machine is more high, and its structure complexity, difficulty of processing and cost etc. also will be more high.Therefore, the cost performance of this mode is relatively low.
For this, if being provided that the motor cabinet structure of a kind of improvement so that it can effectively prevent water from entering external rotor electric machine, then have the double meaning reducing cost and life-saving for overhead type air conditioner for vehicles.
Utility model content
Main purpose of the present utility model is in that to provide a kind of motor cabinet, and it can reduce the water being splashed to the external rotor electric machine outer surface coordinating installation with this motor cabinet.
Above-mentioned purpose is achieved through the following technical solutions:
A kind of motor cabinet, described motor cabinet is used for fixing external rotor electric machine, the rotor of described external rotor electric machine is provided with fan blade, wherein, described motor cabinet includes base plate and the flanging towards motor side being positioned on described base plate, junction distribution at described flanging with described base plate has notch, described notch to run through base plate and/or the flanging of described motor cabinet.
Preferably, described notch is relative to the radial skew of described motor cabinet.
Preferably, described notch includes the first groove section being positioned on described flanging, and when drawing line between the inner side end points at the center of described motor cabinet and the first side wall of described first groove section, the extended line of described line intersects with the second sidewall of described first groove section.
Preferably, the incline direction of described notch is consistent with the rotation direction of described fan blade.
Preferably, described notch has height dimension b, and wherein said height dimension is the height dimension of the first groove section being positioned on described flanging, and wherein, b is less than or equal to the fit-up gap between described external rotor electric machine and described motor cabinet.
Preferably, described notch has length dimension c, and wherein said length dimension is the length dimension of the second groove section being positioned on described base plate, and wherein, c is less than or equal to the radial clearance between inwall and the fan blade bottom plate outer rim of described flanging.
Preferably, described base plate with the junction of described flanging and include downward-sloping annular region inside described flanging.
The purpose of second aspect of the present utility model is in that to provide a kind of electric machine assembly, it includes external rotor electric machine and the fan blade being installed on the rotor of described external rotor electric machine, wherein, described electric machine assembly also includes foregoing motor cabinet, and described external rotor electric machine coordinates installation with described motor cabinet.
Preferably, the motor gap lower edge of described external rotor electric machine is provided with the flanging extended radially outwardly.
Preferably, described electric machine assembly is the electric machine assembly of overhead type air conditioner for vehicles.
The purpose of the third aspect of the present utility model is in that to provide a kind of overhead type air conditioner for vehicles, and it includes foregoing electric machine assembly.
Preferably, also including air conditioner chassis, described electric machine assembly is placed in described air conditioner chassis, and described air conditioner chassis has chassis grid, and the width dimensions a of described notch is less than or equal to the gap width of described chassis grid.
Motor cabinet of the present utility model while reducing the water entered in fit-up gap, can make the water in entrance fit-up gap be easily drained.Thus, coordinate with external rotor electric machine installation after, can prevent water enter external rotor electric machine, it is to avoid electric motor short circuit, burnout failure generation.Especially, motor cabinet of the present utility model is avoided that the phenomenon that during low temperature, hydrops freezes, it is prevented that fan blade damages because clashing into icing.
Accompanying drawing explanation
It is described according to the preferred implementation of motor cabinet of the present utility model, electric machine assembly and overhead type air conditioner for vehicles hereinafter with reference to accompanying drawing.In figure:
Fig. 1 is the overboard icing schematic diagram of the motor cabinet with water-proof function；
Fig. 2 is the appearance schematic diagram of the motor cabinet of preferred structure of the present utility model；
Fig. 3 is the schematic side view of the motor cabinet of Fig. 2；
Fig. 4 is the schematic top plan view of the motor cabinet of Fig. 3；
Fig. 5 is the decomposing schematic representation of overhead type air conditioner for vehicles of the present utility model；
Fig. 6 is the schematic top plan view of overhead type air conditioner for vehicles of the present utility model；
Fig. 7 is the A-A cross-sectional schematic in Fig. 6；
Fig. 8 is the partial enlarged view in the C region in Fig. 7；
Fig. 9 is the schematic side view of overhead type air conditioner for vehicles of the present utility model；
Figure 10 is the B-B cross-sectional schematic in Fig. 9；
Figure 11 is the partial enlarged view in the D region in Figure 10；
Figure 12 is the alternate embodiments of Fig. 8；
Cross-sectional schematic is overlooked in the local that Figure 13 is the another kind of preferred structure of motor cabinet of the present utility model；
Figure 14 is the partial side cross-sectional schematic of another preferred structure of motor cabinet of the present utility model.
Detailed description of the invention
Actual demand according to overhead type air conditioner for vehicles, first applicant considers a kind of motor cabinet structure with water-proof function as shown in Figure 1, actual measurement proves that it can be substantially reduced the water yield being splashed into electric machine assembly internal (such as between motor cabinet and fan blade), it is thus possible to provide higher classification of waterproof with relatively low cost.
But, for this motor cabinet structure, when a small amount of water a1 falls in motor cabinet from the gap a2 between motor cabinet and fan blade, these water will be difficult to discharge, under worst cold case during (0 DEG C ,-5 DEG C ,-7 DEG C) test, the water a3 failing to discharge in time easily freezes, and the amount frozen can be gradually increased, thus when motor a5 drives fan blade a4 to rotate, it is possible to cause clashing into and damaging fan blade.
For this, first aspect of the present utility model provides the motor cabinet structure of a kind of improvement, after it coordinates installation with external rotor electric machine, it is possible to prevent from flying under adverse circumstances to damage motor in water entrance motor.Especially, this motor cabinet structure can reduce the water entered in fit-up gap, and the water in entrance fit-up gap can be made to be easily drained simultaneously, causes that icing breaks fan blade to prevent water row under low temperature environment unclean.
Referring first to Fig. 5, overhead type air conditioner for vehicles of the present utility model includes the condenser assembly 1, rear bulkhead 2, external rotor electric machine 3 (being provided with fan blade 31 on it), motor cabinet 4 and the air conditioner chassis 5 that assemble successively from top to bottom.Wherein, motor cabinet 4 and external rotor electric machine 3 fit together composition electric machine assembly, and wherein, fan blade 31 is arranged on the rotor of external rotor electric machine, and motor cabinet 4 then coordinates installation with external rotor electric machine, i.e. motor cabinet 4 is used for fixing external rotor electric machine.The fixed installation structure (such as buckle etc.) that this electric machine assembly can pass through on motor cabinet 4 is fixed on air conditioner chassis 5.
Typically, fan blade 31 includes upper head plate, bottom plate and the multiple blades between upper head plate and bottom plate.Additionally, owing to fan blade 31 moves with rotor, and motor cabinet 4 is fixing, therefore there is necessary fit-up gap 8 (shown in Figure 8) between external rotor electric machine 3 and motor cabinet 4, the minima of this fit-up gap is generally determined by the distance of the bottom plate root edge of fan blade 31 to motor cabinet plate upper surface.It addition, after external rotor electric machine assembling, there is also assembling motor gap 10 (shown in Figure 8), i.e. assembling gap between housing and the outer rotor of stator, the specifically exposed axial slits between axial end and the outer rotor of this housing.In prior art, under the adverse circumstances such as carwash, storm, water flies to motor gap 10 through fit-up gap 8 often.If there being water to enter motor internal from motor gap 10, then can cause motor damage.
As in Figure 2-4, motor cabinet 4 of the present utility model includes base plate 41 and the flanging 42 towards motor side (such as upside) being positioned on described base plate 41, it is distributed the base plate and/or the flanging that have notch 6, described notch 6 to run through described motor cabinet 4 in the junction of described flanging 42 with described base plate 41.
Due to the existence of flanging, motor cabinet 4 is disc-shaped on the whole, thus has dividing of inner side and outer side, it is possible to contain a part for external rotor electric machine.Therefore, notch 6 could also say that the inner side and outer side of through motor cabinet.
Flanging 42 is preferably placed at the outer edge of base plate 41, naturally it is also possible to be positioned at distance certain inside outward flange, as long as a part for external rotor electric machine can be contained.The primary effect of flanging 42 is to block fit-up gap 8, thus, flanging 42 highly preferred more than fit-up gap 8, for instance the top edge of flanging 42 can flush with or slightly higher than the latter with the upper surface of the bottom plate of fan blade 31.
Blocking effect due to flanging 42, even if there is high-velocity flow when carwash or storm, the water entering fit-up gap 8 also can significantly reduce, and therefore can greatly reduce water and enter the probability of motor internal through motor gap 10.Simultaneously as the junction distribution of flanging and base plate has notch 6 so that the water dropping into fit-up gap 8 is easy to discharge through notch 6, even if thus being also less likely to occur the situation that hydrops freezes under worst cold case.
Preferably, these notches 6 are distributed in the junction of flanging and base plate equably, thick and fast, thus presenting grid-like.It addition, each notch can be provided only on base plate, it is also possible to be provided only on flanging, more optimizedly it is simultaneously located on base plate and flanging, for instance as in Figure 2-4.
Preferably, described notch 6 tilts relative to the radial direction (i.e. radial direction) of described motor cabinet 4.As shown in Figure 4, the angle d that each notch tilts can change within the scope of 0～90 °.Described notch 6 such as includes the first groove section being positioned on described flanging, owing to flanging has the thickness determined, when notch is obliquely installed, the water that splash in front outside motor cabinet is through notch, some directly to splash on a sidewall of the first groove section, being splashed into the water yield in fit-up gap 8 thus reducing further through notch.
It is further preferred that as shown in figure 13, illustrated therein is the partial structurtes of the another kind of preferred structure of motor cabinet, E is motor cabinet center, and dash area is the horizontal profile of flanging, and due to the existence of notch 6, the horizontal profile of flanging is discontinuous.In this preferred structure, when drawing a line between the inner side end points of the first side wall 61 of the first groove section on described motor cabinet center E and flanging, the extended line of this line intersects with the second sidewall 62 of described first groove section.That is, the entrance of this notch is blocked completely in the radially projecting of the first side wall, so, the water that splash in front outside motor cabinet is through notch, it is possible to almost all splash on the first side wall, thus realizing water retaining function more preferably.Those skilled in the art easily realizes this purpose according to the width and angle of inclination etc. of the thickness of flanging, notch.
As can be seen here, notch 6 one aspect being obliquely installed has an effect of draining, also has the effect of the high speed water inlet stopping that front comes on the other hand, thus preventing water inlet at a high speed from fit-up gap 8, motor gap 10 etc., position enters motor internal and damages motor.
Preferably, the incline direction of described notch 6 is consistent with the rotation direction of described fan blade (namely rotation direction of external rotor electric machine), for instance as it can be seen, the rotation direction of fan blade is clockwise, and the incline direction of notch 6 is also tilt clockwise.When electric machine assembly works, external rotor electric machine drives fan blade rotation can produce air-out blast, and the direction of this air-out blast is consistent with the incline direction of notch, thus being more beneficial for the discharge of water, it is prevented that freeze.
Preferably, described notch 6 has height dimension b namely the height of the first groove section being arranged on flanging, as it is shown on figure 3, wherein b is less than or equal to the fit-up gap between described external rotor electric machine and described motor cabinet, i.e. b≤fit-up gap 8, as shown in Figure 8.By arranging suitable height dimension b, compared to the situation of b=0, it is possible to prevent water from affecting the discharge of water at the junction of flanging 42 and base plate 41 formation moisture film.Certainly, height dimension b also should not be too high, otherwise can strengthen the probability of water inlet.
Preferably, described notch 6 has length dimension c, namely the length of the second groove section being arranged on base plate, as shown in Figure 4, wherein c is less than or equal to the radial clearance (this radial clearance constitutes vertical drain gully 9) between the inwall of described flanging with fan blade bottom plate outer rim, i.e. c≤vertical drain gully 9, as shown in Figure 8.
As shown in Figure 8, when adopting motor cabinet of the present utility model, front water can be blocked by tuck portion, and fall into the water in motor cabinet through vertical drain gully 9 and be easy to discharge from notch 6, the water entering fit-up gap 8 and motor gap 10 greatly reduces, and will not form hydrops and cause freezing under worst cold case simultaneously.
Preferably, described base plate 41 with the junction of described flanging 42 and include downward-sloping annular region 43 inside described flanging, for instance, as shown in figure 14.The existence of downward-sloping annular region 43 so that fall into the water within motor cabinet and can flow automatically to the junction of flanging and base plate, thus discharging through each notch 6.The radial dimension of annular region 43 is preferably greater than the length dimension c of notch 6, thus water can flow voluntarily in a big way in generation.Annular region 43 can be arranged by 360 degree of complete cycles, it is also possible to local is arranged, for instance only arrange 180 degree.
On the basis of above-mentioned motor cabinet, second aspect of the present utility model additionally provides a kind of electric machine assembly, as shown in FIG. 7 and 8, this electric machine assembly includes external rotor electric machine 3 and the fan blade 31 being installed on the rotor of described external rotor electric machine, described electric machine assembly also includes motor cabinet 4 described in the utility model, wherein, described external rotor electric machine 3 coordinates installation with described motor cabinet 4.
Owing to have employed motor cabinet of the present utility model, described electric machine assembly greatly reduces motor entering water and the situation of hydrops icing, thus has the reliability of longer life-span and Geng Gao.
Preferably, as described in Figure 12, the lower edge (such as on the housing of motor stator, it is preferable that be integrally formed with this housing) in the motor gap of described external rotor electric machine is provided with the flanging 14 extended radially outwardly, thus defining longer cooperation gap 15.In addition, all the other structures of Figure 12 are identical with Fig. 8.When the water entered in fit-up gap 8 occurs bounce-back to splash towards motor gap 15, the water that major part splashing is got up can be blocked by flanging 14, less hence into the water yield in gap 15.And drop into the water in gap 15, also can be difficult to because moving ahead underspeed continue inside flowing, thus preventing motor internal from intaking.
Described electric machine assembly of the present utility model is as the electric machine assembly of overhead type vehicle (such as caravan) air-conditioner, it is possible to the opposing adverse circumstances such as carwash, storm, protection motor and fan blade.
The third aspect of the present utility model provides a kind of overhead type vehicle (such as caravan) air-conditioner, and it includes electric machine assembly described in the utility model.
Generally, described overhead type air conditioner for vehicles also includes air conditioner chassis 5, and described electric machine assembly is placed in described air conditioner chassis 5, and as shown in figs. 9-11, described air conditioner chassis 5 has chassis grid 12.Preferably, as shown in figure 11, the width dimensions a of described notch 6 is less than or equal to the gap width of described chassis grid 12.
When occurring at a high speed water inlet 11 under the harsh conditions such as carwash, storm, current are weakened (namely grid intakes 13) by speed after chassis grid 12, and then again weaken through flanging (the having notch 6) hourly velocity of motor cabinet 3.Outside high speed water inlet weakens speed through this successively the stop so that when water arrives fit-up gap 8, do not possess the speed flying to motor gap 10, thus the internal purpose do not intake of protection external rotor electric machine 3 can be further functioned as.
Through low temperature, drenching with rain and simulating the experiments such as carwash proves, motor cabinet of the present utility model is adopted to be effectively reduced into water and solve the problem cannot got rid of completely and freeze of intaking, thus meeting motor for preventing aqueous requirement, prevent fan blade to be knocked the situation of damage simultaneously, reach operational reliability and the life cycle of target.
Those skilled in the art will readily understand, under the premise do not conflicted, above-mentioned each preferred version can freely combine, superposition.
It is to be understood that, above-mentioned embodiment is merely illustrative of, and it is nonrestrictive, when not necessarily departing from ultimate principle of the present utility model, various obvious or equivalent amendment that those skilled in the art can make for above-mentioned details or replacement, be all included in right of the present utility model.
Claims (12)
1. a motor cabinet, described motor cabinet is used for fixing external rotor electric machine, the rotor of described external rotor electric machine is provided with fan blade, it is characterized in that, described motor cabinet includes base plate and the flanging towards motor side being positioned on described base plate, junction distribution at described flanging with described base plate has notch, described notch to run through base plate and/or the flanging of described motor cabinet.
2. motor cabinet according to claim 1, it is characterised in that described notch is relative to the radial skew of described motor cabinet.
3. motor cabinet according to claim 2, it is characterized in that, described notch includes the first groove section being positioned on described flanging, when drawing line between the inner side end points at the center of described motor cabinet and the first side wall of described first groove section, the extended line of described line intersects with the second sidewall of described first groove section.
4. motor cabinet according to claim 2, it is characterised in that the incline direction of described notch is consistent with the rotation direction of described fan blade.
5. according to the motor cabinet one of claim 1-4 Suo Shu, it is characterized in that, described notch has height dimension b, and wherein said height dimension is the height dimension of the first groove section being positioned on described flanging, and wherein, b is less than or equal to the fit-up gap between described external rotor electric machine and described motor cabinet.
6. according to the motor cabinet one of claim 1-4 Suo Shu, it is characterized in that, described notch has length dimension c, wherein said length dimension is the length dimension of the second groove section being positioned on described base plate, and wherein, c is less than or equal to the radial clearance between inwall and the fan blade bottom plate outer rim of described flanging.
7. according to the motor cabinet one of claim 1-4 Suo Shu, it is characterised in that described base plate with the junction of described flanging and include downward-sloping annular region inside described flanging.
8. an electric machine assembly, it includes external rotor electric machine and the fan blade being installed on the rotor of described external rotor electric machine, it is characterized in that, described electric machine assembly also includes according to the motor cabinet one of claim 1-7 Suo Shu, and described external rotor electric machine coordinates installation with described motor cabinet.
9. electric machine assembly according to claim 8, it is characterised in that the motor gap lower edge of described external rotor electric machine is provided with the flanging extended radially outwardly.
10. electric machine assembly according to claim 8 or claim 9, it is characterised in that described electric machine assembly is the electric machine assembly of overhead type air conditioner for vehicles.
11. an overhead type air conditioner for vehicles, it is characterised in that it includes one of-10 described electric machine assemblies according to Claim 8.
12. overhead type air conditioner for vehicles according to claim 11, it is characterized in that, also including air conditioner chassis, described electric machine assembly is placed in described air conditioner chassis, described air conditioner chassis has chassis grid, and the width dimensions a of described notch is less than or equal to the gap width of described chassis grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620103129.XU CN205356009U (en) | 2016-02-01 | 2016-02-01 | Motor cabinet, motor assembly with same and overhead vehicle air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620103129.XU CN205356009U (en) | 2016-02-01 | 2016-02-01 | Motor cabinet, motor assembly with same and overhead vehicle air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205356009U true CN205356009U (en) | 2016-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620103129.XU Withdrawn - After Issue CN205356009U (en) | 2016-02-01 | 2016-02-01 | Motor cabinet, motor assembly with same and overhead vehicle air conditioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN205356009U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529856A (en) * | 2016-02-01 | 2016-04-27 | 珠海格力电器股份有限公司 | Motor cabinet, motor assembly with same and overhead vehicle air conditioner |
-
2016
- 2016-02-01 CN CN201620103129.XU patent/CN205356009U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529856A (en) * | 2016-02-01 | 2016-04-27 | 珠海格力电器股份有限公司 | Motor cabinet, motor assembly with same and overhead vehicle air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160629 Effective date of abandoning: 20171229 |