CN203239572U - Brushless direct current sliding vane rotary vacuum pump - Google Patents
Brushless direct current sliding vane rotary vacuum pump Download PDFInfo
- Publication number
- CN203239572U CN203239572U CN 201320182255 CN201320182255U CN203239572U CN 203239572 U CN203239572 U CN 203239572U CN 201320182255 CN201320182255 CN 201320182255 CN 201320182255 U CN201320182255 U CN 201320182255U CN 203239572 U CN203239572 U CN 203239572U
- Authority
- CN
- China
- Prior art keywords
- brushless direct
- pump
- support
- vacuum pump
- motor assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
Abstract
The utility model discloses a brushless direct current sliding vane rotary vacuum pump, and provides the brushless direct current sliding vane rotary vacuum pump which has the advantages that the energy consumption is low, the noises are small, the smooth starting of the vacuum pump can be guaranteed, the lower-power smooth operation of the vacuum pump is kept after starting. The technical problems that the rotary-vane vacuum pump in the prior art is difficult in starting, low in efficiency, high in energy consumption, large in noises and the like are solved. The brushless direct current sliding vane rotary vacuum pump comprises a support as well as a pump body and an oil box arranged on one side of the support, wherein the oil box covers the pump body, the other side, which is opposite to the pump body, of the oil box is provided with a brushless direct current motor assembly, and one end of a motor rotor shaft arranged on the brushless direct current motor assembly passes through the support so as to connect with a pump rotor shaft arranged on a pump body.
Description
Technical field
The utility model relates to a kind of rotary-vane vaccum pump, relates in particular to a kind of brushless direct-current rotary-vane vaccum pump that guarantees the vacuum pump smooth starting and start the smooth running of rear maintenance low-power.
Background technique
Vacuum pump is to utilize machinery, physics, the method such as chemistry or physical chemistry produces in a certain enclosed space, improve and keep the device of vacuum, it is widely used in medication chemistry, electronic technology, vacuum drying, the fields such as refrigeration, generally be divided into reciprocating vacuum pump, rotary-vane vaccum pump and molecular pump etc., rotary-vane vaccum pump wherein is the widest as the backing pump application area, it comprises motor, the component such as the pump housing and support, motor wherein generally adopts single-phase asynchronous motor, but because rotary-vane vaccum pump often needs larger power when starting, and power demand is less in running, and it is difficult to cause thus vacuum pump to start, efficient is low, energy consumption is high, the problems such as noise is large.
Summary of the invention
It is low that the utility model has mainly provided a kind of energy consumption, noise is little, can guarantee the vacuum pump smooth starting, and the brushless direct-current rotary-vane vaccum pump that keeps the low-power smooth running after starting, the technical problem that has solved that the rotary-vane vaccum pump difficulty in starting, the efficient that exist in the prior art are low, energy consumption is high, noise is large etc.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of brushless direct-current rotary-vane vaccum pump, comprise support and be located at the pump housing and the fuel tank of support one side, fuel tank is located at outside the pump housing, be provided with bldc motor assembly at the support opposite side relative with the described pump housing, rotor axis of electric one end on the bldc motor assembly passes support and links to each other with pump rotor axle on the pump housing.The single-phase asynchronous motor that generally uses is subject to the impact of supply voltage easily, and then further affect the startup of vacuum pump, and brushless electric machine contains mu balanced circuit, be not vulnerable to the impact of voltage aspect, reliable, stable, it can regulate automatically by program control startup rotating speed and the power of vacuum pump, realize the smooth starting of vacuum pump with the high-power slow-speed of revolution, and make vacuum pump remain on steady constant-speed operation under the lower power, simultaneously because brushless electric machine has the specific power height, volume is little, efficient is high, noise is low, the advantages such as the life-span is long are the developing direction of following vaccum pump motor.
As preferably, described bldc motor assembly comprises motor stator and is located at the outer motor case of motor stator, rotor axis of electric is rotatably connected in motor stator and two ends extend to outside the motor stator, the medial extremity of rotor axis of electric links to each other with pump rotor axle on the pump housing by coupling, the outboard end of rotor axis of electric is provided with motor blower fan, be electrically connected with electric machine controller at motor stator, electric machine controller is fixed on the motor case.Bldc motor assembly is simple in structure, and cost is low.
As more preferably, be provided with positioning plate at support corresponding to described bldc motor assembly side, bldc motor assembly is fixed on the positioning plate.Bldc motor assembly is fixed on by positioning plate on the support of vacuum pump, can realize the application of brshless DC motor the basis transformation of original vacuum pump, and simple in structure, reforming cost is low.
As preferably, outside described bldc motor assembly, be provided with case, case comprises front end-cover and the rear casing of sealing cover on the front end-cover rear port of annular, and is respectively equipped with radially radiation hole in the both sides of front end-cover, is provided with axial vent at rear casing.Bldc motor assembly is located in the case, improves safety in utilization, and radially radiation hole and axial vent are beneficial to the motor distribute heat, guarantee the motor normal operation.
Rear casing can use metallic material, and as more preferably, described front end-cover is aluminium section bar, and rear casing is working of plastics.The front end-cover advantage of aluminium section bar is to have increased case strength, weakens the noise of working of plastics extruding; The rear casing of plastic material is by mould-forming, and lightweight, cost is low.
As preferably, establish base plate in the lower end surface of described support.Base plate is convenient to vacuum pump and is deposited and install.
Therefore, brushless direct-current rotary-vane vaccum pump of the present utility model has following advantage: because brushless electric machine contains mu balanced circuit, have the advantages such as specific power height, volume is little, efficient is high, noise is low, the life-span is long, it in use is not vulnerable to the impact of voltage aspect, reliable, stable, therefore can automatically regulate startup rotating speed and the power of vacuum pump, realize the smooth starting of vacuum pump with the high-power slow-speed of revolution, and make vacuum pump remain on steady constant-speed operation under the lower power; Can realize the application of brshless DC motor the basis transformation of original vacuum pump, simple in structure, reforming cost is low; The forward and backward case of plastic material is by mould-forming, and lightweight, cost is low.
Description of drawings:
Fig. 1 is the explosive view of the utility model brushless direct-current rotary-vane vaccum pump.
Embodiment:
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
As shown in Figure 1, a kind of brushless direct-current rotary-vane vaccum pump of the present utility model, comprise support 1 and be horizontally fixed on the base plate 8 of support 1 lower end surface, be fixed with and fuel tank 2 at support 1 left surface, the pump housing 3 is located in the fuel tank 2, fix a positioning plate 6 at support 1 right flank by bolt is parallel, fix a bldc motor assembly in positioning plate 6 levels, bldc motor assembly comprises motor stator 42 and is located at motor stator 42 motor case 43 outward, in motor stator 42 by the coaxial bearing rotor axis of electric 41 that is being rotatably connected, the two ends of rotor axis of electric 41 extend to outside the motor stator 42, the left-hand end of rotor axis of electric 41 is by coupling 5 and pass successively positioning plate 6, support 1, link to each other with the pump rotor axle on the pump housing 3, motor blower fan 45 of coaxial package on the right-hand end of rotor axis of electric 41, be electrically connected electric machine controller 44 at motor stator 42, electric machine controller 44 is fixed by screws in the top of motor case 43 outer side surfaces, establish a plastic shell at the bldc motor assembly outer cover, case is by case 71 and the rear casing 72 of sealing cover on front end-cover 71 rear ports of annular, bilateral symmetry at front end-cover 71 has radially radiation hole 73, have axial vent 74 at rear casing 72, radially radiation hole 73 and axial vent 74 are the uniform some strip holes of level.
During use, because brushless electric machine contains mu balanced circuit, can automatically regulate by program control startup rotating speed and the power of vacuum pump, realize the smooth starting of vacuum pump with the high-power slow-speed of revolution, and make vacuum pump remain on steady constant-speed operation under the lower power.
Specific embodiment described herein only is to design of the present utility model explanation for example.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (6)
1. brushless direct-current rotary-vane vaccum pump, comprise support (1) and be located at the pump housing (3) and the fuel tank (2) of support (1) one side, fuel tank (2) is located at outside the pump housing (3), it is characterized in that: be provided with bldc motor assembly at support (1) opposite side relative with the described pump housing (3), rotor axis of electric (41) one ends on the bldc motor assembly pass support (1) and link to each other with pump rotor axle on the pump housing (3).
2. brushless direct-current rotary-vane vaccum pump according to claim 1, it is characterized in that: described bldc motor assembly comprises motor stator (42) and is located at the outer motor case (43) of motor stator (42), rotor axis of electric (41) is rotatably connected in motor stator (42) and two ends extend to outside the motor stator (42), the medial extremity of rotor axis of electric (41) links to each other with pump rotor axle on the pump housing (3) by coupling (5), the outboard end of rotor axis of electric (41) is provided with motor blower fan (45), be electrically connected with electric machine controller (44) at motor stator (42), electric machine controller (44) is fixed on the motor case (43).
3. brushless direct-current rotary-vane vaccum pump according to claim 2, it is characterized in that: the support (1) corresponding in described bldc motor assembly side is provided with positioning plate (6), and bldc motor assembly is fixed on the positioning plate (6).
4. according to claim 1 and 2 or 3 described brushless direct-current rotary-vane vaccum pumps, it is characterized in that: outside described bldc motor assembly, be provided with case, case comprises front end-cover (71) and the rear casing (72) of sealing cover on front end-cover (71) rear port of annular, and be respectively equipped with radially radiation hole (73) in the both sides of front end-cover (71), be provided with axial vent (74) at rear casing (72).
5. brushless direct-current rotary-vane vaccum pump according to claim 4, it is characterized in that: described front end-cover (71) is aluminium section bar, and rear casing (72) is working of plastics.
6. it is characterized in that: establish base plate (8) in the lower end surface of described support (1) according to claim 1 and 2 or 3 described brushless direct-current rotary-vane vaccum pumps.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201320182255 CN203239572U (en) | 2013-04-12 | 2013-04-12 | Brushless direct current sliding vane rotary vacuum pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201320182255 CN203239572U (en) | 2013-04-12 | 2013-04-12 | Brushless direct current sliding vane rotary vacuum pump |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203239572U true CN203239572U (en) | 2013-10-16 |
Family
ID=49316879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201320182255 Expired - Lifetime CN203239572U (en) | 2013-04-12 | 2013-04-12 | Brushless direct current sliding vane rotary vacuum pump |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203239572U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105889071A (en) * | 2016-04-15 | 2016-08-24 | 浙江飞越机电有限公司 | Rotary vane type vacuum pump with canned motor |
CN107035652A (en) * | 2016-12-02 | 2017-08-11 | 青岛海尔股份有限公司 | It is evacuated pump group part and refrigerating device |
CN107237734A (en) * | 2017-07-27 | 2017-10-10 | 金华市威科工贸有限公司 | A kind of compact type vacuum pump |
-
2013
- 2013-04-12 CN CN 201320182255 patent/CN203239572U/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105889071A (en) * | 2016-04-15 | 2016-08-24 | 浙江飞越机电有限公司 | Rotary vane type vacuum pump with canned motor |
CN107035652A (en) * | 2016-12-02 | 2017-08-11 | 青岛海尔股份有限公司 | It is evacuated pump group part and refrigerating device |
CN107035652B (en) * | 2016-12-02 | 2019-05-03 | 青岛海尔股份有限公司 | Refrigerating device |
CN107237734A (en) * | 2017-07-27 | 2017-10-10 | 金华市威科工贸有限公司 | A kind of compact type vacuum pump |
CN107237734B (en) * | 2017-07-27 | 2019-03-22 | 金华市威科工贸有限公司 | A kind of compact type vacuum pump |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201393138Y (en) | Water pump motor with three-dimensional heat radiating structure | |
CN203239572U (en) | Brushless direct current sliding vane rotary vacuum pump | |
CN201144829Y (en) | Electric machine built-in vane pump | |
CN206673749U (en) | It is a kind of from cooling type centrifugal pump energy-saving electric machine | |
CN202732365U (en) | Water pump with self-cooling function | |
CN202811372U (en) | Cooling device for vacuum pump oil | |
CN201639437U (en) | Motor fan | |
CN201590707U (en) | Motor end cover | |
CN218102809U (en) | Dry-wet dual-purpose brushless motor for dust collector | |
CN204492951U (en) | A kind of temperature control electronic water pump | |
CN206195552U (en) | Water -cooled motor | |
CN102889213A (en) | External oil cooling structure of rotary-vane vacuum pump | |
CN212367063U (en) | High-efficiency energy-saving motor | |
CN205212646U (en) | Energy -conserving industrial sewing machine motor of integration | |
CN211251764U (en) | Safe and efficient heat recovery system | |
CN210780299U (en) | Small-size rare earth permanent magnet generator structure | |
CN202867253U (en) | Series motor pump | |
CN102324796B (en) | Liquid-cooled radiating external rotor motor | |
CN207588614U (en) | A kind of energy-efficient plastic packaging motor | |
CN206017175U (en) | A kind of electric automotive water pump | |
CN105471215A (en) | Six-slot three-phase outer rotor brushless fan motor for refrigerator | |
CN205423193U (en) | Electronic pump | |
CN206471989U (en) | A kind of stator built-in type cooling wind blade structural electromotor based on plant protection unmanned plane | |
CN104518606A (en) | Permanent-magnet synchronous direct-drive water pump motor | |
CN204316253U (en) | Permanent-magnet synchronous direct drive pump motor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20131016 |