CN105370593A - Automobile air conditioner blower driven by brushless direct current motor - Google Patents
Automobile air conditioner blower driven by brushless direct current motor Download PDFInfo
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- CN105370593A CN105370593A CN201510877866.5A CN201510877866A CN105370593A CN 105370593 A CN105370593 A CN 105370593A CN 201510877866 A CN201510877866 A CN 201510877866A CN 105370593 A CN105370593 A CN 105370593A
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Abstract
The invention belongs to the technical field of automobile air conditioner blowers and particularly relates to an automobile air conditioner blower driven by a brushless direct current motor. The automobile air conditioner blower comprises a wind wheel and the brushless direct current motor. The wind wheel is installed on the brushless direct current motor. The brushless direct current motor comprises a shell. A front motor cover and a rear motor cover are installed at the two ends of the shell respectively. A first installation bearing is arranged in the center of the rear motor cover. A second installation bearing is arranged in the center of the front motor cover. A motor mandrel is installed on the first installation bearing and the second installation bearing. The wind wheel is installed at the extended end of the motor mandrel. Radiating fins are arranged on the rear motor cover. According to the automobile air conditioner blower driven by the brushless direct current motor, carbon brushes and commutators are omitted, friction force during operation of the wind wheel is greatly reduced, so that the operation is smoother, the noise is reduced, the failure rate is decreased; a control module is integrated inside the motor, the weight is lowered compared with the original mode that the motor and the control module are installed separately, and connection among connecting parts and inserts is reduced.
Description
Technical field
The invention belongs to blower for vehicle air conditioning technical field, be specifically related to a kind of blower for vehicle air conditioning adopting driven by Brush-Less DC motor.
Background technique
Along with developing rapidly of automobile industry, the requirement of Consumer to environment of riding is more and more higher, and contributes to for the improvement of blower the travelling comfort improving Performance for Air Conditioning Systems and car load.
At present, common blower for vehicle air conditioning adopts brush direct current motor to drive, and this carbon brush for electric machine very easily weares and teares, and needs periodic cleaning or changes carbon brush, wasting time and energy; Because the contact resistance of carbon brush and commutator is very large, easily generate heat, and the friction of carbon brush and commutator also can be generated heat, the too high performance that can affect blower fan of temperature, reduces the life-span of blower fan; Because resistance is comparatively large, electric energy is converted into heat energy to a great extent, so brush direct current motor efficiency is not high, output power is little; Speed governing means are single, only have several gear, and can not carry out speed governing flexibly according to actual conditions, energy consumption is higher; Radiating structure is reasonable not, and dispel the heat insufficient, electrical machinery life is generally on the low side.And the utilization of the blower for vehicle air conditioning of driven by Brush-Less DC motor, will cancel the use of carbon brush and commutator, change mechanical commutation is electronic commutation, and during blower fan running, frictional force reduces greatly, operate more smooth, noise can be much lower, and efficiency is high, quality is light, reliable performance, failure rate is low; Cancel the use of flange plate, increase radiating structure, fan radiating is more abundant, and structure is also compacter; New control module adopts CAN or LIN signal and communication, can realize stepless time adjustment, and barrier diagnosis is convenient, and improve EMC performance, more energy-conservation, the life-span can improve nearly 6 times.
Summary of the invention
In order to solve the problem, the invention discloses a kind of blower for vehicle air conditioning adopting driven by Brush-Less DC motor, it is more smooth that it has running, and noise is low, and efficiency is high, and quality is light, the feature of reliable performance.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of blower for vehicle air conditioning adopting driven by Brush-Less DC motor, comprise wind wheel and DC brushless motor, described wind wheel is arranged on DC brushless motor, described DC brushless motor comprises housing, the two ends of housing are separately installed with front motor cover and motor rear cover, and there is the first installation bearing at described motor rear cover center, and there is the second installation bearing at described front motor cover center, described first installation bearing and second is installed on bearing and is provided with motor mandrel, and described wind wheel is arranged on motor mandrel's external part; Described motor rear cover is provided with radiating fin.
Further, it is one-body molded that described front motor cover and housing pass through die casting, and described motor rear cover is connected with adopting finger setting bolt between housing.
Further, described motor rear cover is also connected with return air cooling pipe, the other end of described return air cooling pipe is connected to volute.
Further, described motor rear cover has boss towards the side of housing, and described boss is provided with motor control module.
Further, described motor control module carries out communication by CAN or LIN signal and car load.
Further, described motor rear cover has lighting outlet interface, and be provided with tenminal block in described lighting outlet interface, described motor control module is docked with external plug-in by tenminal block.
Further, be provided with rotor and stator in described housing, described rotor is permanent magnet, rotor and motor mandrel's interference fit, and described stator carries out coiling, and stator adopts heat pressing process to be installed on shell inner surface.
Further, described housing is connected with three mounting brackets in 120 ° of decile modes, described mounting bracket has mounting hole, described mounting hole is used for the installation of blower fan and air-conditioning system volute.
Further, described three adopt spot-welding technology integrated installation between mounting bracket and housing.
Further, described housing is provided with rubber ring, described rubber ring is for filling up the gap between housing and volute.
The beneficial effect of technological scheme of the present invention is adopted to be:
1, blower for vehicle air conditioning of the present invention adopts driven by Brush-Less DC motor, cancel the use of carbon brush and commutator, during blower fan running, frictional force reduces greatly, operates more smooth, noise reduces, efficiency is high, and quality is light, reliable performance, failure rate is low, control module is integrated in motor internal, is installed separately and alleviates weight, decrease the connection of connector assembly than original motor and control module;
2, blower for vehicle air conditioning of the present invention is by CAN or LIN signal and communication, sends diagnostic trouble code or diagnostic code, strengthens reliability, improves EMC performance; New blower can realize stepless time adjustment, more energy-conservation;
3, blower for vehicle air conditioning radiating structure of the present invention is integrated in motor internal, and there have induced draft structure to carry out to be air-cooled, makes the heat radiation of blower fan more abundant, extends the life-span of blower fan;
4, blower for vehicle air conditioning of the present invention cancels the use of flange plate, is integrated on electric machine casing with the mounting structure of volute, and simplify assembly technology, cost-saving, blower fan structure is compacter.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is plan view of the present invention.
In figure: 1 motor rear cover, 2 housings, 3 first install bearing, 4 motor control modules, 5 return air cooling pipes, 6 rotors, 7 stators, 8 second install bearing, 9 motor mandrels, 10 wind wheels, 11 rubber rings, 12 mounting holes, 13 radiating fin, 14 bolt connecting holes, 15 lighting outlet interfaces.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, following embodiment should be understood and be only not used in for illustration of the present invention and limit the scope of the invention.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometrical center respectively.
As depicted in figs. 1 and 2, adopt a blower for vehicle air conditioning for driven by Brush-Less DC motor, comprise wind wheel 10 and DC brushless motor, adopt driven by Brush-Less DC motor, cancel the use of carbon brush and commutator, during blower fan running, frictional force reduces greatly, operates more smooth, and noise reduces, efficiency is high, quality is light, reliable performance, failure rate is low; Described wind wheel 10 is arranged on DC brushless motor, described DC brushless motor comprises housing 2, the two ends of housing 2 are separately installed with front motor cover and motor rear cover 1, there is the first installation bearing 3 at described motor rear cover 1 center, and there is the second installation bearing 8 at described front motor cover center, and described first installation bearing 3 and the second installation bearing 8 are provided with motor mandrel 9, described wind wheel 10 is arranged on one end that motor mandrel 9 stretches out, decrease the assembly process of flange plate, simplify assembling, save cost; Described motor rear cover 1 is provided with radiating fin 13, and the design of radiating fin 13 effectively improves the radiating effect of blower fan.
Preferably, it is one-body molded that described front motor cover and housing 2 pass through die casting, and described motor rear cover 1 is connected with adopting finger setting bolt between housing 2.Adopt this structure can improve the coaxial precision of motor.
Preferably, described motor rear cover 1 is also connected with return air cooling pipe 5, the other end of described return air cooling pipe 5 is connected to volute; Adopt this structure, coordinate radiating fin 13, fan radiating can be made more abundant, greatly extend the working life of blower fan.
Preferably, described motor rear cover 1 has boss towards the side of housing 2, described boss is provided with motor control module 4; Motor control module 4 is integrated in motor internal, is installed separately and alleviates weight, decrease the connection of connector assembly than original motor and control module.
Preferably, described motor control module 4 carries out communication by CAN or LIN signal and car load; Adopt this structure, can stepless time adjustment be realized, more energy-conservation, and can failure code be sent, be convenient to diagnosis, maintenance.
Preferably, described motor rear cover 1 has lighting outlet interface 15, be provided with tenminal block in described lighting outlet interface 15, described motor control module 4 is docked with external plug-in by tenminal block; Structure is simple, reasonable in design.
Preferably, be provided with rotor 6 and stator 7 in described housing 2, described rotor 6 is permanent magnet, and rotor 7 and motor mandrel 9 interference fit, described stator 6 carries out coiling, and stator 6 adopts heat pressing process to be installed on shell inner surface.
Preferably, described housing 2 is connected with three mounting brackets in 120 ° of decile modes, described mounting bracket has mounting hole 12, described mounting hole 12 is for the installation of blower fan and air-conditioning system volute; Adopt this structure, can cancel the use of flange plate, be integrated on electric machine casing 2 with the mounting structure of volute, simplify assembly technology, cost-saving, blower fan structure is compacter.
Preferably, spot-welding technology integrated installation is adopted between described three mounting brackets and housing 2; Adopt this structure, can cancel the use of flange plate, be integrated on electric machine casing 2 with the mounting structure of volute, simplify assembly technology, cost-saving, blower fan structure is compacter.
Preferably, described housing 2 is provided with rubber ring 11, described rubber ring 11 is for filling up the gap between housing 2 and volute; The use of cancellation flange plate, uses mounting bracket instead and volute is installed, and causing has gap between motor case and volute, and rubber ring 11 is used for the gap filled up between motor case and volute, preventing from leaking out.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned mode of execution, also comprises the technological scheme be made up of above technical characteristics combination in any.
Claims (10)
1. one kind adopts the blower for vehicle air conditioning of driven by Brush-Less DC motor, it is characterized in that: comprise wind wheel and DC brushless motor, described wind wheel is arranged on DC brushless motor, described DC brushless motor comprises housing, the two ends of housing are separately installed with front motor cover and motor rear cover, there is the first installation bearing at described motor rear cover center, there is the second installation bearing at described front motor cover center, described first installation bearing and second is installed on bearing and is provided with motor mandrel, and described wind wheel is arranged on motor mandrel's external part; Described motor rear cover is provided with radiating fin.
2. a kind of blower for vehicle air conditioning adopting driven by Brush-Less DC motor according to claim 1, is characterized in that: it is one-body molded that described front motor cover and housing pass through die casting, and described motor rear cover is connected with adopting finger setting bolt between housing.
3. a kind of blower for vehicle air conditioning adopting driven by Brush-Less DC motor according to claim 1, is characterized in that: described motor rear cover is also connected with return air cooling pipe, and the other end of described return air cooling pipe is connected to volute.
4. a kind of blower for vehicle air conditioning adopting driven by Brush-Less DC motor according to claim 1, is characterized in that: described motor rear cover has boss towards the side of housing, described boss is provided with motor control module.
5. a kind of blower for vehicle air conditioning adopting driven by Brush-Less DC motor according to claim 4, is characterized in that: described motor control module carries out communication by CAN or LIN signal and car load.
6. a kind of blower for vehicle air conditioning adopting driven by Brush-Less DC motor according to claim 5, it is characterized in that: described motor rear cover has lighting outlet interface, be provided with tenminal block in described lighting outlet interface, described motor control module is docked with external plug-in by tenminal block.
7. a kind of blower for vehicle air conditioning adopting driven by Brush-Less DC motor according to claim 1, it is characterized in that: rotor and stator are installed in described housing, described rotor is permanent magnet, rotor and motor mandrel's interference fit, described stator carries out coiling, and stator adopts heat pressing process to be installed on shell inner surface.
8. a kind of blower for vehicle air conditioning adopting driven by Brush-Less DC motor according to claim 1, it is characterized in that: described housing is connected with three mounting brackets in 120 ° of decile modes, described mounting bracket has mounting hole, and described mounting hole is used for the installation of blower fan and air-conditioning system volute.
9. a kind of blower for vehicle air conditioning adopting driven by Brush-Less DC motor according to claim 8, is characterized in that: described three adopt spot-welding technology integrated installation between mounting bracket and housing.
10. a kind of blower for vehicle air conditioning adopting driven by Brush-Less DC motor according to claim 8, is characterized in that: described housing is provided with rubber ring, and described rubber ring is for filling up the gap between housing and volute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510877866.5A CN105370593A (en) | 2015-12-04 | 2015-12-04 | Automobile air conditioner blower driven by brushless direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510877866.5A CN105370593A (en) | 2015-12-04 | 2015-12-04 | Automobile air conditioner blower driven by brushless direct current motor |
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| Publication Number | Publication Date |
|---|---|
| CN105370593A true CN105370593A (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510877866.5A Pending CN105370593A (en) | 2015-12-04 | 2015-12-04 | Automobile air conditioner blower driven by brushless direct current motor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787469A (en) * | 2016-12-27 | 2017-05-31 | 重庆迈思迪科技有限公司 | A kind of servomotor |
| WO2017211093A1 (en) * | 2016-09-28 | 2017-12-14 | 浙江亿利达风机股份有限公司 | Volute centrifugal fan provided with permanent magnet brushless motor system |
| CN111942102A (en) * | 2020-07-29 | 2020-11-17 | 东风马勒热系统有限公司 | Bidirectional-dismounting automobile air conditioner blower mounting structure and mounting and dismounting method thereof |
| CN117847016A (en) * | 2024-01-24 | 2024-04-09 | 富乐精工机械(东台)有限公司 | Bearing frame cooling body and fan bearing frame |
Citations (6)
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| US4428719A (en) * | 1980-05-14 | 1984-01-31 | Hitachi, Ltd. | Brushless motor fan |
| CN203352354U (en) * | 2013-05-14 | 2013-12-18 | 腾禾精密电机(昆山)有限公司 | Motor and radiating fins thereof |
| CN103684142A (en) * | 2012-09-20 | 2014-03-26 | 株式会社电装 | Control system used for brushless electric machine |
| CN203589892U (en) * | 2013-10-11 | 2014-05-07 | 广州市科奥机电有限公司 | Heat dissipation and ventilation device used for automobile air conditioner motor |
| CN203645480U (en) * | 2013-12-27 | 2014-06-11 | 北京京仪敬业电工科技有限公司 | Vehicle exhaust direct current brushless motor |
| CN204652085U (en) * | 2015-05-06 | 2015-09-16 | 浙江瑞翔汽车电机有限公司 | Fan motor for automobile |
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2015
- 2015-12-04 CN CN201510877866.5A patent/CN105370593A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4428719A (en) * | 1980-05-14 | 1984-01-31 | Hitachi, Ltd. | Brushless motor fan |
| CN103684142A (en) * | 2012-09-20 | 2014-03-26 | 株式会社电装 | Control system used for brushless electric machine |
| CN203352354U (en) * | 2013-05-14 | 2013-12-18 | 腾禾精密电机(昆山)有限公司 | Motor and radiating fins thereof |
| CN203589892U (en) * | 2013-10-11 | 2014-05-07 | 广州市科奥机电有限公司 | Heat dissipation and ventilation device used for automobile air conditioner motor |
| CN203645480U (en) * | 2013-12-27 | 2014-06-11 | 北京京仪敬业电工科技有限公司 | Vehicle exhaust direct current brushless motor |
| CN204652085U (en) * | 2015-05-06 | 2015-09-16 | 浙江瑞翔汽车电机有限公司 | Fan motor for automobile |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017211093A1 (en) * | 2016-09-28 | 2017-12-14 | 浙江亿利达风机股份有限公司 | Volute centrifugal fan provided with permanent magnet brushless motor system |
| US10215181B2 (en) | 2016-09-28 | 2019-02-26 | Zhe Jiang Yilida Ventilator Co., Ltd | Volute centrifugal fan with permanent-magnet brush-less motor system |
| CN106787469A (en) * | 2016-12-27 | 2017-05-31 | 重庆迈思迪科技有限公司 | A kind of servomotor |
| CN111942102A (en) * | 2020-07-29 | 2020-11-17 | 东风马勒热系统有限公司 | Bidirectional-dismounting automobile air conditioner blower mounting structure and mounting and dismounting method thereof |
| CN117847016A (en) * | 2024-01-24 | 2024-04-09 | 富乐精工机械(东台)有限公司 | Bearing frame cooling body and fan bearing frame |
| CN117847016B (en) * | 2024-01-24 | 2024-08-23 | 富乐精工机械(东台)有限公司 | Bearing frame cooling body and fan bearing frame |
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Application publication date: 20160302 |
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| RJ01 | Rejection of invention patent application after publication |