CN203948313U - A kind of brush DC draining pump and drainage system of air conditioner - Google Patents
A kind of brush DC draining pump and drainage system of air conditioner Download PDFInfo
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- CN203948313U CN203948313U CN201420402239.7U CN201420402239U CN203948313U CN 203948313 U CN203948313 U CN 203948313U CN 201420402239 U CN201420402239 U CN 201420402239U CN 203948313 U CN203948313 U CN 203948313U
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Abstract
The utility model discloses a kind of brush DC draining pump of air conditioner, motor casing inside has isolation part, rotor assembly is installed in the inner chamber of motor casing, stator module is installed in the exocoel of motor casing, water pump shell, upper pump casing, motor casing and scaffold are connected successively, motor casing exocoel and scaffold internal cavity form the chamber of a sealing, and control panel is fixed on the bottom of scaffold in the chamber of this sealing.The utility model also provides a kind of drainage system of air conditioner of the brush DC draining pump that comprises above-mentioned a kind of air conditioner.The brush DC draining pump of a kind of air conditioner of the present utility model, rotor assembly and stator module are spaced from each other because of motor casing isolation part, be arranged on respectively in inner chamber and exocoel, not only make stator module away from liquid-working-medium, and rotor chamber is not subject to extraneous foreign matter interference, the Security that has greatly improved motor yet.
Description
Technical field
The utility model relates to a kind of draining pump and drainage system technical field of air conditioner, particularly a kind of draining pump of the air conditioner being driven by brshless DC motor and drainage system.
Background technique
Air-conditioning system, the indoor unit of ceiling air conditioner particularly, when freezing operation, airborne moisture meeting condensation is also attached on heat exchanger, then dropping onto in the condense water disk that is located at heat exchanger below slowly, the collecting of condensed water, the normal use that water clock can have influence on air-conditioning system, also easily cause the problems such as air-conditioning system fault, pipeline be mouldy.For by accumulate in condensed water in this condense water disk be discharged to outdoor, therefore be provided with the draining pump of this suction condensed water.This draining pump links together by motor shaft and the impeller of drive motor, when drive motor makes blade rotary, the water accumulating in condense water disk will be inhaled into pump chamber from the blade lower end of suction port, under the effect of centrifugal force, along pump chamber inwall, be discharged from, this draining pump comes forth in a lot of patent documentations, such as: CN1144305A, CN101900124A etc.
The drive motor that ceiling-mounted type air conditioner draining pump uses in the market mainly contains motor with cup rotor and brshless DC motor, brushless electric machine has low power consuming with respect to motor with cup rotor, the features such as high efficiency, and, along with the development of Power Electronic Technique and the brushless control technique of motor, brushless electric machine has the irreplaceable Security of motor with cup rotor, controllability and working efficiency.
But, existing air conditioner is brushless, and draining pump exists not reasonably local in mechanical structure and assembly technology, as disclosed a kind of liquid discharge device in Chinese invention patent application specification CN102155432A, its pump housing and motor housing are tightly connected, rotor and impeller are arranged in the pump chamber that both form, between impeller and rotor, be provided with the front shroud for supporting revolving shaft, the bearing of supporting revolving shaft lays respectively in the mounting groove of motor housing isolation part and in the through hole of front shroud.Said structure, be difficult to guarantee on the one hand the concentricity of motor shaft two bearings, cause motor shaft skew, cause the non-uniform air-gap between rotor and stator, affect motor performance, cause motor fluctuation of service, and the skew of motor shaft can cause the coaxality problem of the center line of impeller gyration center line and the pump housing, make drainage noise larger; On the other hand, working medium can enter bearing part by front shroud, causes the impact of lubricant oil and leakage, the minimizing of lubricant oil can increase the friction between motor shaft and bearing, or even unlubricated friction, cause motor to there is larger operating noise, or even cannot normal rotation.
In addition, drive motor two phase brushless DC motors or the three-phase brushless dc motors of adopting of existing air conditioner draining pump more, these two kinds of motors are due to itself principle and circuit structure, circuit elements device is many, complex circuit, there is higher rate of fault and cost of production, often allow client be difficult to accept.
The problem existing in order to overcome existing air conditioner drainage system, need to develop that a kind of production technology is simple, reliable performance and lower-costly using air conditioner brushless draining pump and the drainage system of single-phase brushless direct-current motor as drive motor.
Model utility content
The purpose of this utility model is to provide a kind of brush DC draining pump and drainage system that is applied to air conditioner, and not only working efficiency is high, safety reliability is good, and rational in infrastructure, and technique is simple, is easy to assembling, and cost of production is low.
For achieving the above object, the utility model provides a kind of brush DC draining pump of air conditioner, comprise motor, impeller and water pump shell, motor is single-phase brushless DC motor, motor comprises stator module, rotor assembly, control panel and motor casing assembly, motor casing assembly comprises upper pump casing, motor casing and scaffold, motor casing inside has integrated with it and its internal cavity is separated into the isolation part of inner chamber and exocoel, rotor assembly is installed in the inner chamber of motor casing, stator module is installed in the exocoel of motor casing, water pump shell, upper pump casing, motor casing is connected successively with scaffold, impeller is arranged in the pump chamber that water pump shell and upper pump casing be fixedly connected to form, and impeller is arranged on motor shaft one end of rotor assembly, motor casing exocoel and scaffold internal cavity form the chamber of a sealing, control panel is fixed on the bottom of scaffold in the chamber of this sealing.
Wherein, stator module comprises stator iron core and staor winding, and stator iron core comprises ring-type yoke portion and some teeth groove, and ring-type yoke portion and teeth groove are split structure, and stator iron core teeth groove number is 4, and staor winding adopts double winding form.
Rotor assembly comprises rotor magnetic pole and the motor shaft of 2 pairs of utmost points.
Control panel comprises non-bridge circuit and the Hall transducer with two power drive switches, and two power drive switches of non-bridge circuit are connected respectively to Hall transducer.Hall transducer, for detection of the polarity of rotor magnetic pole, provides rotor-position signal according to polarity, and this position signal triggers corresponding power switch in non-bridge circuit and opens and close, and realizes the doublewound conducting in turn of stator.
Upper pump casing is connected by seizing type with motor casing, the pump chamber inner wall outside edge of upper pump casing is along the circumferential direction intervally distributed with two sections of recessed screw threads, between two sections of recessed screw threads, be provided with two sections of anti-rotation grooves, corresponding motor casing position of installing is provided with convex thread and the anti-rotation boss suitable with recessed screw thread, anti-rotation groove, and recessed screw thread coordinates with the direct seizing type of convex thread.The cooperation of anti-rotation boss and anti-rotation groove can prevent from carrying out after upper pump casing and motor casing from coordinating the rotation of circumferencial direction.
Motor casing and scaffold carry out interference fit connection by embedded buckle, on the housing outer wall of motor casing, along its circumferencial direction, are provided with three uniform buckle boss, at scaffold corresponding position, are provided with the buckle slot suitable with buckle boss; Housing outer wall at motor casing is also provided with a locating column, at scaffold corresponding position, is provided with the cylindrical recesses suitable with locating column.
Between motor shaft and isolation part inwall, be provided with upper bearing (metal) assembly and lower bearing component, upper bearing (metal) assembly comprises upper bearing (metal) and upper bearing bracket, lower bearing component comprises lower bearing, upper bearing bracket and step, lower bearing is between upper bearing bracket and step, upper bearing (metal) assembly and lower bearing component are installed in motor casing inner chamber with the form of buckle respectively, at upper bearing bracket and upper bearing (metal), between upper bearing bracket and lower bearing, be also respectively equipped with aligning pad and immersion oil felt.Aligning pad is in order to adjust the position of bearing, and immersion oil felt is lubricated bearing.
The side wall inner surfaces of motor casing exocoel is provided with positioning bar, and for locating stator module, the side wall inner surfaces of motor casing exocoel is axially stretched out 4 positioning boss, for location and the support of control panel radial direction position; The bottom of scaffold is provided with a through hole, and in through hole, interference fit has a rubber stopper, and the lighting outlet of control panel is guided outside into by rubber stopper.
Upper pump casing sidewall is provided with at least one and is communicated with extraneous air pressure notch.In order to keep brushless electric machine internal cavity and extraneous air pressure balance, be conducive to electric motor starting, while simultaneously can anti-sealing refluxing, enter bearing, play earial drainage effect.
The utility model also provides a kind of drainage system of air conditioner, comprise brush DC draining pump, water level sensor, the flexible pipe of above-mentioned a kind of air conditioner and be arranged on the safety check on flexible pipe, water level sensor is arranged on a side of draining pump, flexible pipe one end is connected with water pump shell water outlet, and the other end is connected with safety check water intake.
beneficial effect:
(1) the brushless draining pump rotor assembly of this air-conditioning and stator module, because motor casing isolation part is spaced from each other, are arranged on respectively in inner chamber and exocoel, and the electrified body part and the currentless part that are about to motor are spaced from each other, and make stator module away from liquid-working-medium; The cavity that has a upper pump casing and motor casing to form between rotor chamber and pump chamber, making rotor chamber not be subject to extraneous foreign matter disturbs, the air pressure notch of upper pump casing can be discharged the water entering in this cavity in time, effectively avoid water to pour in down a chimney and entered rotor chamber, cause the impact to bearing unit, the leakage of lubricant oil, has guaranteed the lubricity of electric machine rotation, reduce operating noise, greatly improved the security and stability of motor; And the metal (upper of motor shaft is all arranged in motor casing inner chamber, guaranteed concentricity, and integral installation formula formula is simple, cost of production is low, for ease of maintenaince.
(2) the utility model is applied in the single-phase brushless direct-current motor of air conditioner; control panel adopts the non-bridge-type control circuit with two power drive switches; utilize Hall transducer detection rotor position; drive controller only adopts 2 power drive switches just can realize the normal commutation of two windings; reduced the usage quantity of components and parts; greatly reduce the rate of fault of drive controller, extended the working life of motor.
(3) control panel adopts the mode of the rear embedding of assembling, after being linked and packed with stator module, be installed to together in motor casing exocoel, utilize the positioning bar in motor casing exocoel reliably to locate, then it is carried out to embedding, embedding can keep circuit board to be hedged off from the outer world, and in embedding process, do not need Embedding Material amount accurately to control, only control panel need be covered can complete embedding completely, dosing technology is simple, consumption is few, cost is low, scaffold is installed after embedding, control panel lead-in wire is drawn from scaffold rubber stopper, can effectively prevent that extraneous corrosive gas or liquid from entering motor casing inside, improved the safety reliability of whole motor.
(4) in stator module, stator iron core and teeth groove adopt split structure, not only punching separately, make full use of material, reduce waste of material, and embed in ring-type yoke portion after can adopting common winding machine to teeth groove coiling, do not need to adopt special winding machine, save cost of production, simplified production process.
(5) upper and lower bearing support is connected with clamping form with motor casing, and integral installation formula formula is simple, and cost of production is low; Immersion oil felt is equipped with in bearing support inside, can be lubricated bearing, thereby reduce motor noise, improves working life.
(6) water level sensor that drainage system is installed, can monitor water position status in time, and signal feed back, to air-conditioning system, is controlled to the start and stop of motor then, has both guaranteed the low consumption of motor, can in time condensed water be discharged again, prevents spill and leakage; The safety check that drainage system is installed, when motor of air conditioner quits work, can prevent that the condensed water in air conditioner outer tube from flowing backwards to draining pump, thereby effectively prevent that indoor machine of air conditioner from leaking.
Accompanying drawing explanation
Fig. 1 is the sectional view of brush DC draining pump of the present utility model;
Fig. 2 is the structural representation of stator module of the present utility model;
Fig. 3 is the structural representation of control panel of the present utility model;
Fig. 4 is upper pump casing structural representation of the present utility model;
Fig. 5 is motor casing structural representation of the present utility model;
Fig. 6 is scaffold structural representation of the present utility model;
Fig. 7 is the utility model upper bearing (metal) assembly blast structural representation;
Fig. 8 is the utility model lower bearing component blast structural representation;
Fig. 9 is the partial enlarged drawing of Fig. 1;
Figure 10 is the structural representation after control panel embedding of the present utility model;
Figure 11 is drainage system structural representation of the present utility model.
Wherein, 1-motor, 11-stator module, 111-stator iron core, 112-staor winding, 113-ring-type yoke portion, 114-teeth groove, 12-rotor assembly, 122-motor shaft, 13-control panel, 131-Hall transducer, 14-motor casing assembly, 141-upper pump casing, the recessed screw thread of 1411-, 1412-anti-rotation groove, 1413-air pressure notch, 142-motor casing, 1421-isolation part, 1422-convex thread, 1423-anti-rotation boss, 1424-buckle boss, 1425-locating column, 1426-positioning bar, 1427-positioning boss, 143-scaffold, 1431-buckle slot, 1432-cylindrical recesses, 1433-rubber stopper, 2-impeller, 3-water pump shell, 4-upper bearing (metal) assembly, 41-upper bearing (metal), 42-upper bearing bracket, 43-aligning pad, 44-immersion oil felt, 5-lower bearing component, 51-lower bearing, 52-step, 6-water level sensor, 7-flexible pipe, 8-safety check.
Embodiment
Below in conjunction with accompanying drawing, describe optimal technical scheme of the present utility model in detail.
As shown in the figure, the brush DC draining pump of a kind of air conditioner of the present utility model, comprise motor 1, impeller 2 and water pump shell 3, motor 1 is single-phase brushless DC motor, motor 1 comprises stator module 11, rotor assembly 12, control panel 13 and motor casing assembly 14, motor casing assembly 14 comprises upper pump casing 141, motor casing 142 and scaffold 143, motor casing 142 inside have integrated with it and its internal cavity are separated into the isolation part 1421 of inner chamber and exocoel, rotor assembly 12 is installed in the inner chamber of motor casing 142, stator module 11 is installed in the exocoel of motor casing 142, water pump shell 3, upper pump casing 141, motor casing 142 is connected successively with scaffold 142, impeller 2 is arranged in the pump chamber that water pump shell 3 and upper pump casing 141 be fixedly connected to form, and impeller 2 is arranged on motor shaft 122 one end of rotor assembly 12, motor casing 142 exocoels and scaffold 143 internal cavities form the chamber of a sealing, control panel 13 is fixed on the bottom of scaffold 143 in the chamber of this sealing, and control panel 13 is connected with stator module 11.
Wherein, stator module 11 comprises stator iron core 111 and staor winding 112, and stator iron core 111 comprises ring-type yoke portion 113 and some teeth groove 114, and ring-type yoke portion 113 is split structure with teeth groove 114, stator iron core 111 teeth groove numbers are 4, and staor winding 112 adopts double winding form.
Rotor assembly 12 comprises rotor magnetic pole and the motor shaft 122 of 2 pairs of utmost points.
Control panel 13 comprises non-bridge circuit and the Hall transducer 131 with two power drive switches, and two power drive switches of non-bridge circuit are connected respectively to Hall transducer 131.Hall transducer, for detection of the polarity of rotor magnetic pole, provides rotor-position signal according to polarity, and this position signal triggers corresponding power switch in non-bridge circuit and opens and close, and realizes the doublewound conducting in turn of stator.
Upper pump casing 141 is connected by seizing type with motor casing 142, the pump chamber inner wall outside edge of upper pump casing 141 is along the circumferential direction intervally distributed with two sections of recessed screw threads 1411, between two sections of recessed screw threads 1411, be provided with two sections of anti-rotation grooves 1412, corresponding motor casing 142 positions of installing are provided with convex thread 1422 and the anti-rotation boss 1423 suitable with recessed screw thread 1411, anti-rotation groove 1412, and recessed screw thread 1411 coordinates with the direct seizing type of convex thread 1422.The cooperation of anti-rotation boss and anti-rotation groove can prevent from carrying out after upper pump casing and motor casing from coordinating the rotation of circumferencial direction.
Motor casing 142 and scaffold 143 carry out interference fit connection by embedded buckle, on the housing outer wall of motor casing 142, along its circumferencial direction, be provided with three uniform buckle boss 1424, at scaffold 143 corresponding positions, be provided with the buckle slot 1431 suitable with buckle boss 1424; Housing outer wall at motor casing 142 is also provided with a locating column 1425, at scaffold 143 corresponding positions, is provided with the cylindrical recesses 1432 suitable with locating column 1425.
Between motor shaft 122 and isolation part 1421 inwalls, be provided with upper bearing (metal) assembly 4 and lower bearing component 5, upper bearing (metal) assembly 4 comprises upper bearing (metal) 41 and upper bearing bracket 42, lower bearing component 5 comprises lower bearing 51, upper bearing bracket 42 and step 52, lower bearing 51 is between upper bearing bracket 42 and step 52, upper bearing (metal) assembly 4 and lower bearing component 5 are installed in motor casing 142 inner chambers with the form of buckle respectively, at upper bearing bracket 42 and upper bearing (metal) 41, between upper bearing bracket 42 and lower bearing 51, be also respectively equipped with aligning pad 43 and immersion oil felt 44.Aligning pad 43 is in order to adjust the position of bearing, and 44 pairs of bearings of immersion oil felt are lubricated.
The side wall inner surfaces of motor casing 142 exocoels is provided with positioning bar 1426, and for locating stator module 11, the side wall inner surfaces of motor casing 142 exocoels is axially stretched out 4 positioning boss 1427, for location and the support of control panel 13 radial direction positions; The bottom of scaffold 143 is provided with a through hole, and in through hole, interference fit has a rubber stopper 1433, and the lighting outlet of control panel 13 is guided outside into by rubber stopper 1433.
Upper pump casing 141 sidewalls are provided with at least one and are communicated with extraneous air pressure notch 1413.In order to keep brushless electric machine internal cavity and extraneous air pressure balance, be conducive to electric motor starting, while simultaneously can anti-sealing refluxing, enter bearing, play earial drainage effect.
The utility model also provides a kind of drainage system of air conditioner, comprise brush DC draining pump, water level sensor 6, the flexible pipe 7 of above-mentioned a kind of air conditioner and be arranged on the safety check 8 on flexible pipe 7, water level sensor 6 is arranged on a side of draining pump, flexible pipe 7 one end are connected with water pump shell 3 water outlets, and the other end is connected with safety check 8 water intakes.
beneficial effect:
(1) the brushless draining pump rotor assembly of this air-conditioning and stator module are spaced from each other because of motor casing isolation part, be arranged on respectively in inner chamber and exocoel, the electrified body part and the currentless part that are about to motor are spaced from each other, make stator module away from liquid-working-medium, the cavity that has a upper pump casing and motor casing to form between rotor chamber and pump chamber, make rotor chamber not be subject to extraneous foreign matter and disturb, the Security that has greatly improved motor; And the metal (upper of motor shaft is all arranged in motor casing inner chamber, guaranteed concentricity, and integral installation formula formula is simple, cost of production is low, for ease of maintenaince.
(2) the utility model is applied in the single-phase brushless direct-current motor of air conditioner; control panel adopts the non-bridge-type control circuit with two power drive switches; utilize Hall transducer detection rotor position; drive controller only adopts 2 power drive switches just can realize the normal commutation of two windings; reduced the usage quantity of components and parts; greatly reduce the rate of fault of drive controller, extended the working life of motor.
(3) control panel adopts the mode of the rear embedding of assembling, after being linked and packed with stator module, be installed to together in motor casing exocoel, utilize the positioning bar in motor casing exocoel reliably to locate, then it is carried out to embedding, embedding can keep circuit board to be hedged off from the outer world, and in embedding process, do not need Embedding Material amount accurately to control, only control panel need be covered can complete embedding completely, dosing technology is simple, consumption is few, cost is low, scaffold is installed after embedding, control panel lead-in wire is drawn from scaffold rubber stopper, can effectively prevent that extraneous corrosive gas or liquid from entering motor casing inside, improved the safety reliability of whole motor.
(4) in stator module, stator iron core and teeth groove adopt split structure, not only punching separately, make full use of material, reduce waste of material, and embed in ring-type yoke portion after can adopting common winding machine to teeth groove coiling, do not need to adopt special winding machine, save cost of production, simplified production process.
(5) upper and lower bearing support is connected with clamping form with motor casing, and integral installation formula formula is simple, and cost of production is low; Immersion oil felt is equipped with in bearing support inside, can be lubricated bearing, thereby reduce motor noise, improves working life.
(6) water level sensor that drainage system is installed, can monitor water position status in time, and signal feed back, to air-conditioning system, is controlled to the start and stop of motor then, has both guaranteed the low consumption of motor, can in time condensed water be discharged again, prevents spill and leakage; The safety check that drainage system is installed, when motor of air conditioner quits work, can prevent that the condensed water in air conditioner outer tube from flowing backwards to draining pump, thereby effectively prevent that indoor machine of air conditioner from leaking.
Claims (10)
1. the brush DC draining pump of an air conditioner, it is characterized in that: comprise motor (1), impeller (2) and water pump shell (3), motor (1) is single-phase brushless DC motor, motor (1) comprises stator module (11), rotor assembly (12), control panel (13) and motor casing assembly (14), motor casing assembly (14) comprises upper pump casing (141), motor casing (142) and scaffold (143), motor casing (142) inside has integrated with it and its internal cavity is separated into the isolation part (1421) of inner chamber and exocoel, rotor assembly (12) is installed in the inner chamber of motor casing (142), stator module (11) is installed in the exocoel of motor casing (142), water pump shell (3), upper pump casing (141), motor casing (142) is connected successively with scaffold (143), impeller (2) is arranged in the pump chamber that water pump shell (3) and upper pump casing (141) be fixedly connected to form, and impeller (2) is arranged on motor shaft (122) one end of rotor assembly (12), motor casing (142) exocoel and scaffold (143) internal cavity form the chamber of a sealing, control panel (13) is fixed on the bottom of scaffold (142) in the chamber of this sealing.
2. the brush DC draining pump of a kind of air conditioner as claimed in claim 1, is characterized in that: upper pump casing (141) sidewall is provided with at least one and is communicated with extraneous air pressure notch (1413).
3. the brush DC draining pump of a kind of air conditioner as claimed in claim 1, it is characterized in that: stator module (11) comprises stator iron core (111) and staor winding (112), stator iron core (111) comprises ring-type yoke portion (113) and some teeth groove (114), ring-type yoke portion (113) is split structure with teeth groove (114), stator iron core (111) teeth groove number is 4, and staor winding (112) adopts double winding form.
4. the brush DC draining pump of a kind of air conditioner as claimed in claim 1, is characterized in that: rotor assembly (12) comprises rotor magnetic pole and the motor shaft (122) of 2 pairs of utmost points.
5. the brush DC draining pump of a kind of air conditioner as claimed in claim 1, it is characterized in that: control panel (13) comprises non-bridge circuit and the Hall transducer (131) with two power drive switches, and two power drive switches of non-bridge circuit are connected respectively to Hall transducer (131).
6. the brush DC draining pump of a kind of air conditioner as claimed in claim 1, it is characterized in that: upper pump casing (141) is connected by seizing type with motor casing (142), the pump chamber inner wall outside edge of upper pump casing (141) is along the circumferential direction intervally distributed with two sections of recessed screw threads (1411), between two sections of recessed screw threads (1411), be provided with two sections of anti-rotation grooves (1412), corresponding motor casing (142) position of installing is provided with and recessed screw thread (1411), the convex thread (1422) that anti-rotation groove (1412) is suitable and anti-rotation boss (1423), recessed screw thread (1411) coordinates with the direct seizing type of convex thread (1422).
7. the brush DC draining pump of a kind of air conditioner as claimed in claim 1, it is characterized in that: motor casing (142) and scaffold (143) carry out interference fit connection by embedded buckle, on the housing outer wall of motor casing (142), along its circumferencial direction, be provided with three uniform buckle boss (1424), at scaffold (143) corresponding position, be provided with the buckle slot (1431) suitable with buckle boss (1424); Housing outer wall at motor casing (142) is also provided with a locating column (1425), at scaffold (143) corresponding position, is provided with the cylindrical recesses (1432) suitable with locating column (1425).
8. the brush DC draining pump of a kind of air conditioner as claimed in claim 1, it is characterized in that: between motor shaft (122) and isolation part (1421) inwall, be provided with upper bearing (metal) assembly (4) and lower bearing component (5), upper bearing (metal) assembly (4) comprises upper bearing (metal) (41) and upper bearing bracket (42), lower bearing component (5) comprises lower bearing (51), upper bearing bracket (42) and step (52), lower bearing (51) is positioned between upper bearing bracket (42) and step (52), upper bearing (metal) assembly (4) and lower bearing component (5) are installed in motor casing (142) inner chamber with the form of buckle respectively, at upper bearing bracket (42) and upper bearing (metal) (41), between upper bearing bracket (42) and lower bearing (51), be also respectively equipped with aligning pad (43) and immersion oil felt (44).
9. the brush DC draining pump of a kind of air conditioner as described in any one claim in claim 1 to 8, it is characterized in that: the side wall inner surfaces of motor casing (142) exocoel is provided with positioning bar (1426), be used for locating stator module (11), the side wall inner surfaces of motor casing (142) exocoel is axially stretched out 4 positioning boss (1427), for location and the support of control panel (13) radial direction position; The bottom of scaffold (143) is provided with a through hole, and in through hole, interference fit has a rubber stopper (1433), and the lighting outlet of control panel (13) is guided outside into by rubber stopper (1433).
10. the drainage system of an air conditioner, it is characterized in that: comprise brush DC draining pump, water level sensor (6), the flexible pipe (7) of above-mentioned a kind of air conditioner and be arranged on the safety check (8) on flexible pipe (7), water level sensor (6) is arranged on a side of draining pump, flexible pipe (7) one end is connected with water pump shell (3) water outlet, and the other end is connected with safety check (8) water intake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420402239.7U CN203948313U (en) | 2014-07-21 | 2014-07-21 | A kind of brush DC draining pump and drainage system of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420402239.7U CN203948313U (en) | 2014-07-21 | 2014-07-21 | A kind of brush DC draining pump and drainage system of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203948313U true CN203948313U (en) | 2014-11-19 |
Family
ID=51890350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420402239.7U Withdrawn - After Issue CN203948313U (en) | 2014-07-21 | 2014-07-21 | A kind of brush DC draining pump and drainage system of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203948313U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275827A (en) * | 2014-07-21 | 2016-01-27 | 常州雷利电机科技有限公司 | Direct-current brushless draining pump and draining system for air conditioner |
| CN108092443A (en) * | 2016-11-23 | 2018-05-29 | 东莞市东坑合利美电子电器有限公司 | Motor module |
-
2014
- 2014-07-21 CN CN201420402239.7U patent/CN203948313U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275827A (en) * | 2014-07-21 | 2016-01-27 | 常州雷利电机科技有限公司 | Direct-current brushless draining pump and draining system for air conditioner |
| CN105275827B (en) * | 2014-07-21 | 2018-01-05 | 常州雷利电机科技有限公司 | The brush DC draining pump and drainage system of a kind of air conditioner |
| CN108092443A (en) * | 2016-11-23 | 2018-05-29 | 东莞市东坑合利美电子电器有限公司 | Motor module |
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