CN110375360A - A kind of side extraction cooking fume extractor - Google Patents
A kind of side extraction cooking fume extractor Download PDFInfo
- Publication number
- CN110375360A CN110375360A CN201910568335.6A CN201910568335A CN110375360A CN 110375360 A CN110375360 A CN 110375360A CN 201910568335 A CN201910568335 A CN 201910568335A CN 110375360 A CN110375360 A CN 110375360A
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- China
- Prior art keywords
- motor
- backboard
- spiral case
- shell
- air
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses a kind of side extraction cooking fume extractors, including shell, panel on front side of shell is set, and it is arranged in the intracorporal blower of shell, the shell includes the backboard positioned at rear side, the blower includes spiral case, impeller in spiral case is set, and the motor for driving wheel rotation, the spiral case includes back shroud, it is characterized by: the air-flow offered outside for range hood on the backboard enters the intracorporal air inlet of shell, it is offered on the back shroud for being passed through in spiral case from the air-flow that backboard enters, to the deflector hole for accelerating motor surrounding air to flow.Compared with the prior art, the advantages of the present invention are as follows: on the basis of not changing range hood original structure, by backboard and spiral case aperture reduce motor temperature rise, structure is simple, easy to process；By the way that boss is arranged on backboard, to prevent the air inlet on backboard to be bonded with metope, and then ensure enough air inflows.
Description
Technical field
The present invention relates to cooking fume control equipment, especially a kind of side extraction cooking fume extractor.
Background technique
Range hood has become one of machine for kitchen use equipment indispensable in Modern Family.Usual range hood includes top
Suction and side-suction type, the principle that the range hood of top suction type utilizes hot gas to rise, suction is generated when cooking to be risen naturally
Oil smoke, additionally due to it is clean and tidy light and handy, occupy little space the advantages that, and it is in an increasingly wide range of applications.The oil suction of side-suction type
Smoke machine will largely be absorbed using vortex wind pressure principle apart from the closer oil smoke of hearth with form of arcs, can be reduced strong to human body
The adverse effect of health, and power source is closer from hearth, will not substantially reduce the suction effect of power source.
A kind of top-sucking kitchen ventilator range hood as disclosed in the Chinese patent application No. is 201410704669.9, packet
The exhaust fume collecting hood with air inlet is included, the wind cabinet on exhaust fume collecting hood top is set, the blower for having spiral case in wind cabinet is set, passes through wind
The effect of machine forms negative pressure to realize in external oil smoke sucking cabinet wind cabinet and inhale while the gas in wind cabinet is discharged
The purpose of oil smoke；It is smooth that side extraction cooking fume extractor one kind as disclosed in the Chinese patent application No. is 201520377321.3 leads cigarette
Side-suction type range hood, it includes casing and being divided into air outlet component, the oil trap of cabinet top, bottom, and be divided into
Fan assembly, oil guide plate in casing top, in casing lower part, fan assembly includes spiral case, the blower that is fixed in spiral case, machine
Shell its underpart front have with smoke inlet into cigarette plate.
In top suction type and side extraction cooking fume extractor, it is required to motor and provides power to drive impeller to form negative pressuren zone, incite somebody to action
Oil smoke is inside outside sucking range hood.And motor is during operating, the problem of being inevitably present temperature rise, this meeting
Cause motor performance to decline, influences motor service life.This problem is also to annoying the No.1 problem of technical staff always.
Currently without very good solution motor temperature rise method, universal solution is that section motor ginseng is negotiated the transfer of by electrical machinery plant
Number is to solve the problems, such as motor temperature rise.However, when the motor sample temperature rise that electrical machinery plant sends is not up to standard, need under normal circumstances with
Electrical machinery plant is repeatedly linked up, and electrical machinery plant repeatedly improves, and is possible to obtain the motor for meeting performance requirement, spend human and material resources very much
Financial resources；Even if the motor sample temperature rise that electrical machinery plant sends is up to standard, and the motor produced in batches is still likely to occur more temperature rise
Situation not up to standard.
Summary of the invention
The technical problem to be solved by the present invention is in view of the above-mentioned problems of the prior art, providing a kind of side-suction type suction
Kitchen ventilator can enhance motor radiating performance, reduce motor temperature rise, increase motor service life.
The technical scheme of the invention to solve the technical problem is: a kind of side extraction cooking fume extractor, including shell,
Panel on front side of shell is set and is arranged in the intracorporal blower of shell, the shell includes the backboard positioned at rear side, the wind
Machine includes spiral case, the impeller being arranged in spiral case and the motor for driving wheel rotation, and the spiral case includes back shroud,
It is characterized by: the air-flow offered outside for range hood on the backboard enters the intracorporal air inlet of shell, the back shroud
On offer for passed through in spiral case from the air-flow that backboard enters, to accelerate motor surrounding air flowing deflector hole.
Motor is whipped to be conducive to air-flow, the deflector hole has at least two and arranges around motor.
For convenient for playing gas drainage, while the blower for causing range hood being avoided to generate abnormal sound, influences fume-exhausting
The ability of machine mist extractor, the deflector hole are circular hole, and the diameter of the deflector hole is H, and is met: 3mm < H < 6mm.
In order to ensure the rigidity of spiral case, the installation for influencing motor, the deflector hole centre distance motor center distance are avoided
For L, and meet: 0.5D+10mm < L < 0.5D+25mm, wherein D is motor rear end diameter.
To pass through on shortest paths convenient for air-flow, the air inlet corresponds to the position of motor.
To whip motor surface convenient for air-flow, so that air-flow Uniform Flow around motor, the air inlet has at least
It two and is equably arranged in array.
It is flowed to enter enough air-flows around motor, the gross area of the air inlet is A, and is met:
0.025*3.14*D*D < A < 0.1*3.14*D*D, wherein D is motor rear end diameter.
Air inlet is influenced to avoid air inlet from being bonded with metope, on the trailing flank of the backboard, the left and right of air inlet entirety
Two sides are respectively arranged with boss, and the boss is to rear projection.
Compared with the prior art, the advantages of the present invention are as follows: on the basis of not changing range hood original structure, by
Aperture reduces motor temperature rise on backboard and spiral case, and structure is simple, easy to process；By the way that boss is arranged on backboard, to prevent
Air inlet on backboard is bonded with metope, and then ensures enough air inflows.
Detailed description of the invention
Fig. 1 is the schematic diagram of the range hood of the embodiment of the present invention；
Fig. 2 is the cross-sectional view of the range hood of the embodiment of the present invention；
Fig. 3 is the schematic diagram of the blower of the range hood of the embodiment of the present invention；
Fig. 4 is the schematic diagram of the spiral case rear cover of the range hood of the embodiment of the present invention；
Fig. 5 is the backboard of the embodiment of the present invention and the schematic diagram of top plate.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Referring to Fig. 1 and Fig. 2, including shell 1, the panel of the front side of shell 1 is obliquely arranged in a kind of side extraction cooking fume extractor
2.For ease of description, in the present specification, "front", "rear", "left", "right", "upper", "lower" refer to opposite when range hood uses
The direction of user.
Shell 1 includes the backboard 11 positioned at rear side and top plate 12 positioned at top, and in the present embodiment, backboard 11 can also be with
Top plate 12 is integrally formed.Air inlet 21 is offered on panel 2, is rotatably arranged at the smoke barrier 3 of 21 size fit of air inlet
It, can be by rotating to open or close air inlet 21 relative to panel 2 on panel 2.
Blower 4 is provided in shell 1, blower 4 is including spiral case 41, the impeller 42 being arranged in spiral case 41 and for driving
The motor 43 that movable vane wheel 42 rotates.The bottom rear of spiral case 41 is abutted with backboard 11.Blower 4 is inclined to set, such as preferably with
The inclined direction of panel 2 is consistent.Motor 43 is mounted on the rear portion of spiral case 41, and part penetrates into spiral case 41, so that motor
43 output shaft can connect with impeller 42, to drive impeller 42 to rotate.
Referring to fig. 2~Fig. 4, blower 4 are inclined to set, such as preferably consistent with the inclined direction of panel 2.Spiral case 41 includes
Front shroud 411, back shroud 412 and the ring wall 413 being connected between front shroud 411 and back shroud 412, back shroud 412 and backboard
11 are connected and fixed.The mounting hole 4121 that power supply machine 43 passes through is offered on the back shroud 412 of spiral case 41, it can be by bolt from back shroud
412 4121 periphery of mounting hole passes through and tightens locking with motor 43.
Referring to fig. 2, Fig. 4 and Fig. 5 makes motor 43 radiate to accelerate to be formed effective air flowing around motor 43
Performance is more preferable, reduces motor temperature rise.Deflector hole 4122 is offered on the back shroud 412 of spiral case 41, around motor 43, it is preferred that
Deflector hole 4122 is at least two, more preferably four, and be evenly arranged in the circumferential.Deflector hole 4122 is in the present embodiment
Middle to use circular hole, the diameter of deflector hole 4122 is H, and is met: 3mm < H < 6mm, if 4122 diameter of deflector hole is too small, is risen not
To gas drainage, too greatly, the blower 4 of range hood has abnormal sound to 4122 diameter of deflector hole, and influences fume-exhausting
The ability of machine mist extractor.Under normal circumstances, spiral case rear cover 412 has to increase the die mould of rigidity, installs the threaded hole of motor 43,
Also otherwise the installation of motor 43 is influenced, 4122 centre distance motor of deflector hole, 43 centre distance is L, and is met: 0.5D+10mm
< L < 0.5D+25mm, wherein D is 43 rear end diameter of motor, more preferably, L=0.5D+15mm.
On backboard 11, the position of motor 43 is faced, offers air inlet 111, air inlet 111 can have at least two
It is a and be arranged in array, be conducive to air-flow and whip motor surface, so that air-flow Uniform Flow around motor 43.Preferably,
In the present embodiment, air inlet 111 is the circular hole that diameter is 5mm, and distance is 10mm between center of circular hole, to ensure air-flow
It is flowed around motor 43.The gross area of air inlet 111 is A, and is met: 0.025*3.14*D*D < A < 0.1*3.14*D*D,
It is flowed so that enough air-flows enter around motor 43.
On the trailing flank of backboard 11, the both sides position that air inlet 111 is whole be each provided with boss 112, it is preferred that boss
112 opposite air inlets 111 are symmetrical.Boss 112 is towards 11 rear of backboard protrusion, and (i.e. boss 112 exists the height of 112 protrusion of boss
Depth on front-rear direction) it is higher, when range hood is hung up, backboard 11 is remoter with metope distance, is more conducive to extraneous gas stream
Enter in the shell 1 of range hood；But the excessive height of boss 112, range hood is toward inconvenient when being affiliated on wall.At this
In embodiment, it is preferred that boss 112 is circular hole, diameter 25mm, depth 6mm.
When range hood works normally, the rotation of 43 impeller 42 of motor gas inspiration spiral case 41, is then discharged out room
Outside；Meanwhile having minimum gas and being flowed into inside range hood by the air inlet 111 on case backboard 11, then gas passes through snail
The deflector hole 4122 of shell rear cover 412 enters in spiral case 41, and outdoor is discharged, and in above process, has around 42 rear end of motor
A small amount of air-flow exists, and accelerates the flowing of 43 ambient gas of motor, enhances motor radiating performance, reduces motor temperature rise.By experiment
It proves, using radiator structure of the invention, can effectively reduce motor temperature rise 3K to 5K, extend motor service life.
Claims (8)
1. a kind of side extraction cooking fume extractor including shell (1), the panel (2) being arranged on front side of shell (1) and is arranged in shell
Blower (4) in body (1), the shell (1) include the backboard (11) positioned at rear side, and the blower (4) includes spiral case (41), sets
It sets the impeller (42) in spiral case (41) and the motor (43) for driving impeller (42) to rotate, the spiral case (41) includes
Back shroud (412), it is characterised in that: offer the air-flow outside for range hood on the backboard (11) and enter in shell (1)
Air inlet (111), offer on the back shroud (412) for passing through spiral case (41) from the air-flow that backboard (11) enter
Deflector hole (4122) interior, to accelerate motor (43) surrounding air to flow.
2. side extraction cooking fume extractor according to claim 1, it is characterised in that: the deflector hole (4122) has at least two
It is a and around motor (43) arrange.
3. side extraction cooking fume extractor according to claim 2, it is characterised in that: the deflector hole (4122) is circular hole, institute
The diameter for stating deflector hole (4122) is H, and is met: 3mm < H < 6mm.
4. side extraction cooking fume extractor according to claim 3, it is characterised in that: deflector hole (4122) the centre distance electricity
Machine (43) centre distance is L, and is met: 0.5D+10mm < L < 0.5D+25mm, wherein D is motor (43) rear end diameter.
5. side extraction cooking fume extractor according to claim 1, it is characterised in that: the corresponding motor of the air inlet (111)
(43) position.
6. side extraction cooking fume extractor according to claim 5, it is characterised in that: the air inlet (111) has at least two
It is a and be equably arranged in array.
7. side extraction cooking fume extractor according to claim 6, it is characterised in that: the gross area of the air inlet (111) is
A, and meet: 0.025*3.14*D*D < A < 0.1*3.14*D*D, wherein D is motor (43) rear end diameter.
8. side extraction cooking fume extractor according to claim 1, it is characterised in that: on the trailing flank of the backboard (11), into
The left and right sides of stomata (111) entirety is respectively arranged with boss (112), and the boss (112) is to rear projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910568335.6A CN110375360A (en) | 2019-06-27 | 2019-06-27 | A kind of side extraction cooking fume extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910568335.6A CN110375360A (en) | 2019-06-27 | 2019-06-27 | A kind of side extraction cooking fume extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110375360A true CN110375360A (en) | 2019-10-25 |
Family
ID=68251010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910568335.6A Pending CN110375360A (en) | 2019-06-27 | 2019-06-27 | A kind of side extraction cooking fume extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110375360A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021227769A1 (en) * | 2020-05-13 | 2021-11-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Dual-intake range hood |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4470753A (en) * | 1979-09-28 | 1984-09-11 | Suddeutsche Kuhlerfabrik Julius Fr. Behr Gmbh & Co. Kg | Radial blower, especially for heaters or air conditioning systems in vehicles |
| CN202328458U (en) * | 2011-12-15 | 2012-07-11 | 邻水县宏远电器有限公司 | Light range hood |
| EP2602489A2 (en) * | 2011-12-09 | 2013-06-12 | BSH Bosch und Siemens Hausgeräte GmbH | Fan device, household appliance and method for cooling a motor of a fan device |
| CN104913363A (en) * | 2015-07-06 | 2015-09-16 | 苏州斯洛莱自动化设备有限公司 | Range hood with motor cavity capable of being cooled |
| CN107965830A (en) * | 2018-01-22 | 2018-04-27 | 广东美的厨房电器制造有限公司 | A kind of range hood with double air intake structures |
-
2019
- 2019-06-27 CN CN201910568335.6A patent/CN110375360A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4470753A (en) * | 1979-09-28 | 1984-09-11 | Suddeutsche Kuhlerfabrik Julius Fr. Behr Gmbh & Co. Kg | Radial blower, especially for heaters or air conditioning systems in vehicles |
| EP2602489A2 (en) * | 2011-12-09 | 2013-06-12 | BSH Bosch und Siemens Hausgeräte GmbH | Fan device, household appliance and method for cooling a motor of a fan device |
| CN202328458U (en) * | 2011-12-15 | 2012-07-11 | 邻水县宏远电器有限公司 | Light range hood |
| CN104913363A (en) * | 2015-07-06 | 2015-09-16 | 苏州斯洛莱自动化设备有限公司 | Range hood with motor cavity capable of being cooled |
| CN107965830A (en) * | 2018-01-22 | 2018-04-27 | 广东美的厨房电器制造有限公司 | A kind of range hood with double air intake structures |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021227769A1 (en) * | 2020-05-13 | 2021-11-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Dual-intake range hood |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191025 |