CN205243885U - Centrifugal blower - Google Patents
Centrifugal blower Download PDFInfo
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- CN205243885U CN205243885U CN201520880303.7U CN201520880303U CN205243885U CN 205243885 U CN205243885 U CN 205243885U CN 201520880303 U CN201520880303 U CN 201520880303U CN 205243885 U CN205243885 U CN 205243885U
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- motor
- spiral case
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- machine support
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Abstract
The utility model provides a centrifugal blower, include: the spiral case, the spiral case is for opening the casing that has air intake and air outlet, the motor, the motor is connected with the spiral case, the centrifugation impeller, centrifugal impeller is connected with the motor, and centrifugal install impeller is in the spiral case, and the air inlet of centrifugal impeller side is relative with the air intake part or relative completely, and the air -out side of centrifugal impeller is relative with the air outlet part or relative completely, the motor support, the both ends of motor support are connected with motor and spiral case respectively, the motor is brushless DC motor, its compare ordinary direct current motor volume littleer, power consumptive lower, the efficiency is higher, life is longer, stability is also higher, has improved this centrifugal blower's performance, the motor support is the slice, and the motor support is a plurality of, and the length direction of a plurality of motor supports parallels with brushless DC motor's axis direction, just is certain angle each other and wraps up brushless DC motor in wherein, fixes mode safe and reliable, makes with the cost of maintenance lowlyer.
Description
Technical field
The utility model relates to ventilation equipment field, more specifically, relates to a kind of centrifugal blower.
Background technology
Be the common apparatus having a large capacity and a wide range at China's blower fan, its application surface is very extensive, comprises smoke exhaust fan, air-conditioning draught fan, refrigerator blower fan, roof ventilator etc. Taking air-conditioning as example, the blower fan in air-conditioning adopts common DC motor more, and its volume is large, power consumption is high, efficiency is low, the life-span is short and stability is lower, noise is larger, has brought undoubtedly adverse effect for air-conditioning series products. In addition, in market, in common blower fan, the fixture of motor mostly is integral type moulding or section bar, and stock utilization is low, and the cost of manufacturing and changing is higher.
Above-mentioned situation is prevalent in the industry, has become a urgent problem.
Utility model content
The utility model is intended at least solve one of technical problem existing in prior art.
For this reason, the utility model provides a kind of novel structure, practical, power consumption is low, efficiency is high, long service life, stock utilization is higher, cost is lower centrifugal blower.
The utility model provides a kind of centrifugal blower, comprising: spiral case, described spiral case is for having air inlet and air-out
The housing of mouth; Motor, described motor is connected with described spiral case; Centrifugal impeller, described centrifugal impeller is connected with described motor, described in described driven by motor, centrifugal impeller rotates, described centrifugal impeller is installed in described spiral case, and the inlet side of described centrifugal impeller is relative with described air inlet part or completely relative, the air side of described centrifugal impeller is relative with described air outlet part or completely relative; Electric machine support, one end of described electric machine support is connected with described motor, and the other end is connected with described spiral case, and described motor is fixedly connected with described spiral case, and described motor is brshless DC motor; Described electric machine support is sheet, and described electric machine support is multiple, and the length direction of multiple described electric machine supports parallels with the axis direction of described brshless DC motor, and at an angle described brshless DC motor is wrapped in wherein each other.
Centrifugal blower in this programme adopts brshless DC motor, and it is compared, and common DC motor volume is less, power consumption is lower, efficiency is higher, longer service life, stability are also higher, has improved the serviceability of this centrifugal blower; In addition, the structure of the electric machine support in this centrifugal blower is different from the past common motor supporting structure, its electric machine support is sheet, after multiple electric machine supports are used in combination, brshless DC motor can be wrapped up and be fixed on wherein, without using overall moulding or section bar, use material still less, reduce manufacturing cost, certainly, the fixed form of packaging type also can ensure that brshless DC motor firmly installs; In addition, as there is the situation of electric machine support breakage, only need to change the electric machine support breaking down, the maintenance operation of being more convenient for, and the cost of maintenance is lower.
In addition, the centrifugal blower in above-described embodiment that the utility model provides can also have following additional technical feature:
According to an embodiment of the present utility model, the one end being connected with described brshless DC motor in described electric machine support is motor stiff end, described motor stiff end is consistent with the part outer surface profile of described brshless DC motor, after multiple described electric machine supports are installed, the interior profile of the framework of multiple described motor stiff end compositions is consistent with the outline of described brshless DC motor, and described brshless DC motor is wrapped in wherein.
According to an embodiment of the present utility model, on described motor stiff end, be also provided with rack connecting plate, described rack connecting plate can be connected with the described electric machine support being adjacent.
According to an embodiment of the present utility model, described rack connecting plate is connected by screw with the described electric machine support being adjacent.
According to an embodiment of the present utility model, the one end being connected with described spiral case in described electric machine support is spiral case connecting plate, and described spiral case connecting plate is connected by screw with described spiral case.
According to an embodiment of the present utility model, described electric machine support is metal material.
According to an embodiment of the present utility model, also comprise: reel, described reel is installed between described brshless DC motor and described centrifugal impeller, and is fixedly connected with it, makes described brshless DC motor drive described centrifugal impeller to rotate by described reel simultaneously.
According to an embodiment of the present utility model, also comprise: current collector, described current collector is installed on described air inlet place.
According to an embodiment of the present utility model, also comprise: ring flange, described ring flange is fixedly installed on described spiral case by the mode being spirally connected or weld, and corresponding with described air outlet.
Additional aspect of the present utility model and advantage will become in description part below obviously, or recognize by practice of the present utility model.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is according to the main TV structure schematic diagram of the centrifugal blower described in embodiment of the utility model;
Fig. 2 is the broken section structural representation of the centrifugal blower shown in Fig. 1;
Fig. 3 is the left TV structure schematic diagram of centrifugal blower shown in Fig. 1.
Wherein, in Fig. 1 to Fig. 3, the corresponding relation between Reference numeral and component names is:
1 spiral case, 11 air inlets, 12 air outlets, 2 brshless DC motors, 3 centrifugal impellers, 4 electric machine supports, 41 motor stiff ends, 42 rack connecting plates, 43 spiral case connecting plates, 5 reels, 6 ring flanges.
Detailed description of the invention
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail. It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here and implement, and therefore, protection domain of the present utility model is not subject to the restriction of following public specific embodiment.
As shown in Figure 1 to Figure 3, a kind of centrifugal blower providing according to some embodiment of the utility model, comprising:
Spiral case 1, spiral case 1 is for having the housing of air inlet 11 and air outlet 12; Motor, motor is connected with spiral case 1; Centrifugal impeller 3, centrifugal impeller 3 is connected with motor, driven by motor centrifugal impeller 3 rotates, centrifugal impeller 3 is installed in spiral case 1, and the inlet side of centrifugal impeller 3 is relative with air inlet 11 parts or completely relative, and the air side of centrifugal impeller 3 is relative with air outlet 12 parts or completely relative, in this programme, in order to improve air intake and air-out efficiency, the inlet side of centrifugal impeller 3 is completely relative with air inlet 11, and the air side of centrifugal impeller 3 is relative with air outlet 12 parts; Electric machine support 4, one end of electric machine support 4 is connected with motor, and the other end is connected with spiral case 1, and motor is fixedly connected with spiral case 1, and motor is brshless DC motor 2; Electric machine support 4 is sheet, and electric machine support 4 is 3, and the length direction of 3 electric machine supports 4 parallels with the axis direction of brshless DC motor 2, and is each other 120 degree brshless DC motor 2 is wrapped in wherein.
Centrifugal blower in this programme adopts brshless DC motor, and it is compared, and common DC motor volume is less, power consumption is lower, efficiency is higher, longer service life, stability are also higher, has improved the serviceability of this centrifugal blower; In addition, the structure of the electric machine support in this centrifugal blower is different from the past common motor supporting structure, its electric machine support is sheet, after multiple electric machine supports are used in combination, brshless DC motor can be wrapped up and be fixed on wherein, without using overall moulding or section bar, use material still less, reduce manufacturing cost, certainly, the fixed form of packaging type also can ensure that brshless DC motor firmly installs; In addition, as there is the situation of electric machine support breakage, only need to change the electric machine support breaking down, the maintenance operation of being more convenient for, and the cost of maintenance is lower.
Particularly, as shown in Figure 1 to Figure 3, the one end being connected with brshless DC motor 2 in electric machine support 4 is motor stiff end 41, motor stiff end 41 is consistent with the cylindrical outer surface profile of brshless DC motor 2, after multiple electric machine supports 4 are installed, the interior profile of the tubular frame that multiple motor stiff ends 41 form is consistent with the column outline of brshless DC motor 2, and brshless DC motor 2 is wrapped in wherein; Electric machine support 4 can be integral type and also can be split typely, and electric machine support 4 is preferably integral type foundry goods in the present embodiment, it should be noted that implementation is not limited to this, and equivalent technologies should be considered as the extension of the present embodiment.
Particularly, as shown in Figure 1 to Figure 3, be also provided with rack connecting plate 42 on motor stiff end 41, rack connecting plate 42 can be connected with the electric machine support 4 being adjacent; Same, rack connecting plate 42 and its corresponding electric machine support 4 are preferably integral type foundry goods in the present embodiment, but implementation is not limited to this, and equivalent technologies should be considered as the extension of the present embodiment.
Preferably, as shown in Figure 1 to Figure 3, rack connecting plate 42 is connected by screw with the electric machine support 4 being adjacent, and similar connected mode has multiple, and implementation is not limited to this, and equivalent technologies should be considered as the extension of the present embodiment.
Preferably, as shown in Figure 3, the one end being connected with spiral case 1 in electric machine support 4 is spiral case connecting plate 43, and spiral case connecting plate 43 is connected by screw with spiral case 1; Same, spiral case connecting plate 43 and its corresponding electric machine support 4 are preferably integral type foundry goods in the present embodiment, but implementation is not limited to this, and equivalent technologies should be considered as the extension of the present embodiment.
Preferably, electric machine support 4 is metal material.
Certainly, as shown in Figure 2, also comprise: reel 5, reel 5 is installed between brshless DC motor 2 and centrifugal impeller 3, and is fixedly connected with it, makes brshless DC motor 2 drive centrifugal impeller 3 to rotate by reel 5 simultaneously.
Particularly, also comprise as depicted in figs. 1 and 2: current collector (attached not shown), current collector is installed on air inlet 11 places.
Particularly, as shown in Figure 1 to Figure 3, also comprise: ring flange 6, ring flange 6 is fixedly installed on spiral case 1 by the mode being spirally connected or weld, and corresponding with air outlet 12.
In description of the present utility model, if occur, term " installation ", " being connected ", " connection ", " fixing " etc. all should be interpreted broadly, and for example, " connection " can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary. For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the description of this description, if occur, the description of term " embodiment ", " some embodiment ", " specific embodiment " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description. In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example. And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations. All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a centrifugal blower, comprising:
Spiral case, described spiral case is the housing that has air inlet and air outlet;
Motor, described motor is connected with described spiral case;
Centrifugal impeller, described centrifugal impeller is connected with described motor, centrifugal impeller described in described driven by motor
Rotate, described centrifugal impeller is installed in described spiral case, and the inlet side of described centrifugal impeller is relative with described air inlet part or completely relative, and the air side of described centrifugal impeller is relative with described air outlet part or completely relative;
Electric machine support, one end of described electric machine support is connected with described motor, the other end and described spiral case phase
Connect, described motor be fixedly connected with described spiral case, it is characterized in that,
Described motor is brshless DC motor;
Described electric machine support is sheet, and described electric machine support is multiple, and the length direction of multiple described electric machine supports parallels with the axis direction of described brshless DC motor, and at an angle described brshless DC motor is wrapped in wherein each other.
2. centrifugal blower according to claim 1, is characterized in that,
The one end being connected with described brshless DC motor in described electric machine support is motor stiff end, described motor stiff end is consistent with the part outer surface profile of described brshless DC motor, after multiple described electric machine supports are installed, the interior profile of the framework of multiple described motor stiff end compositions is consistent with the outline of described brshless DC motor, and described brshless DC motor is wrapped in wherein.
3. centrifugal blower according to claim 2, is characterized in that,
On described motor stiff end, be also provided with rack connecting plate, described rack connecting plate can be connected with the described electric machine support being adjacent.
4. centrifugal blower according to claim 3, is characterized in that,
Described rack connecting plate is connected by screw with the described electric machine support being adjacent.
5. centrifugal blower according to claim 2, is characterized in that,
The one end being connected with described spiral case in described electric machine support is spiral case connecting plate, and described spiral case connecting plate is connected by screw with described spiral case.
6. according to the centrifugal blower described in any one in claim 1 to 5, it is characterized in that,
Described electric machine support is metal material.
7. centrifugal blower according to claim 6, is characterized in that,
Also comprise: reel, described reel is installed between described brshless DC motor and described centrifugal impeller, and is fixedly connected with it, makes described brshless DC motor drive described centrifugal impeller to rotate by described reel simultaneously.
8. centrifugal blower according to claim 7, is characterized in that,
Also comprise: current collector, described current collector is installed on described air inlet place.
9. centrifugal blower according to claim 8, is characterized in that,
Also comprise: ring flange, described ring flange is fixedly installed on described spiral case by the mode being spirally connected or weld, and corresponding with described air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520880303.7U CN205243885U (en) | 2015-11-07 | 2015-11-07 | Centrifugal blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520880303.7U CN205243885U (en) | 2015-11-07 | 2015-11-07 | Centrifugal blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205243885U true CN205243885U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520880303.7U Active CN205243885U (en) | 2015-11-07 | 2015-11-07 | Centrifugal blower |
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| CN (1) | CN205243885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370591A (en) * | 2015-11-07 | 2016-03-02 | 上海兰桥风机有限公司 | Centrifugal fan |
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2015
- 2015-11-07 CN CN201520880303.7U patent/CN205243885U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370591A (en) * | 2015-11-07 | 2016-03-02 | 上海兰桥风机有限公司 | Centrifugal fan |
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