CN201706567U - Range hood - Google Patents
Range hood Download PDFInfo
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- CN201706567U CN201706567U CN2010201281635U CN201020128163U CN201706567U CN 201706567 U CN201706567 U CN 201706567U CN 2010201281635 U CN2010201281635 U CN 2010201281635U CN 201020128163 U CN201020128163 U CN 201020128163U CN 201706567 U CN201706567 U CN 201706567U
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- linked switch
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- auxiliary winding
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Abstract
A range hood comprises a casing, a motor and a wind wheel. The motor and the wind wheel are arranged inside the casing, the wind wheel is mounted on an output rotary shaft of the motor, the motor includes a stator and a rotor, the stator comprises a stator iron core and a stator winding wound on the stator iron core, and the stator winding includes four poles of main windings (L1, L2, L3 and L4) and four poles of auxiliary windings (L01, L02, L03 and L04). The range hood is characterized by further comprising a rotation speed controller electrically connected with the motor, the rotation speed controller can control running of the motor in a normal rotation speed state and a super-high rotation speed state and includes linked switches (K1, K2, K3 and K4), and the linked switches (K1, K2, K3 and K4) are provided with a plurality of normally closed contacts and normally opened contacts. When in the normal rotation speed state, the normally closed contacts of the linked switches are closed, and the normally opened contacts are disconnected, and when in the super-high rotation speed state, the normally closed contacts of the linked switches are disconnected, and the normally opened contacts are closed. The ranged hood can timely suck oily fume with variable speed when the oily fume is dramatically increased in volume.
Description
Technical field:
The utility model relates to a kind of range hood.
Background technology:
At this moment as untimely it is taken away the oil smoke that the kitchen is produced when culinary art is cooked generally is not very big, but can strengthen suddenly in cooking and fried thing starting stage oil smoke, and, oil smoke will contaminated air, and human body is brought injury.The suction draught of range hood and the noise of range hood are a very big contradiction, and Fig. 1 is the stator winding connection diagram of existing range hood, and it has 4 magnetic pole logarithms, and rotating speed is between 500～1500RPM, and the exhausting amount is at 10～15m
3/ min, this range hood can only be satisfied with general culinary art and cook, and just powerless to the big oil smoke that is produced in cooking and fried thing starting stage.Though a kind of high speed lampblack absorber is also arranged on the market, and its rotating speed is 1500～2000RPM, the exhausting amount is at 13～18m
3/ min, but because the just high-speed electric expreess locomotive that its adopts, thus its noise than the high 5～15dB of noise (A) of general range hood, and the exhausting amount also there is no too big raising, power consumption is again the twice of general range hood, has not only consumed energy but also not environmental protection.
Summary of the invention:
It is a kind of when the oil smoke amount sharply increases that the purpose of this utility model is to provide, and can in time take the range hood of oil smoke away.
A kind of range hood, comprise housing, be located at motor and wind wheel in the housing, wind wheel is installed on the output revolving shaft of motor, described motor comprises stator and rotor, stator comprises stator core and around the stator winding that twists on the stator core, stator winding comprises 4 utmost point main winding (L1, L2, L3, L4) and 4 utmost point auxiliary winding (L01, L02, L03, L04), it is characterized in that: also comprise a rotational speed governor that is electrically connected with motor, rotational speed governor can be controlled motor and turn round under rated speed state and ultrahigh rotating speed state, this rotational speed governor comprises linked switch (K1, K2, K3, K4), linked switch (K1, K2, K3, K4) have some normally-closed contacts and normally opened contact, first end of main winding L1 is connected with power input V1, second end of main winding L1 is connected with first end of main winding L2 by the normally-closed contact of linked switch K1, second end of main winding L2 is connected with first end of main winding L3 by the normally-closed contact of linked switch K2, second end of main winding L3 is connected with first end of main winding L4 by another normally-closed contact of linked switch K2, and second end of main winding L4 is connected with power input V2 by another normally-closed contact of linked switch K2; First end of auxiliary winding L01 is connected with power input V1 by the normally-closed contact of linked switch K1, second end of auxiliary winding L01 is connected with first end of auxiliary winding L02 by the normally-closed contact of linked switch K4, second end of auxiliary winding L02 is connected with first end of auxiliary winding L03 by another normally-closed contact of linked switch K4, second end of auxiliary winding L03 is connected with first end of auxiliary winding L04 by another normally-closed contact of linked switch K4, and second end of auxiliary winding L04 connects by a capacitor C and is connected with power input V2; Second end of main winding L1 is connected with first end of auxiliary winding L01 by the normally opened contact of linked switch K3, second end of auxiliary winding L01 is connected with first end of main winding L3 by another normally opened contact of linked switch K3, second end of main winding L3 is connected with first end of auxiliary winding L03 by another normally opened contact of linked switch K3, and second end of auxiliary winding L03 is connected with power input V2 by the normally opened contact of linked switch K1; First end of main winding L2 is connected with power input V1 by another normally opened contact of linked switch K1, second end of main winding L2 is connected with first end of auxiliary winding L02 by another normally opened contact of linked switch K3, second end of auxiliary winding L02 is connected with first end of main winding L4 by another normally opened contact of linked switch K3, second end of main winding L4 is connected with first end of auxiliary winding L04 by another normally opened contact of linked switch K3, under the rated speed state, the normally-closed contact closure of described linked switch, normally opened contact disconnects, under the ultrahigh rotating speed state, the normally-closed contact of described linked switch disconnects, the normally opened contact closure.
Described rotational speed governor also comprises a power supply o controller, itself and be connected in power input V1 and power input V2 between.
Described power supply o controller is the variable-frequency power sources o controller, and described motor is a synchronous motor.
Described power supply o controller is variable AC power o controller, and described motor is the permanent-magnetic outer rotor motor.
Described power supply o controller is variable dc source o controller, and described motor is a brshless DC motor.
The rated speed of described motor is 500～1500RPM, and the exhausting amount is at 10～15m
3/ min, the ultrahigh rotating speed of described motor is 1600～2500RPM, the exhausting amount is at 18～25m
3/ min.
The running time of described motor under the ultrahigh rotating speed state is 1～5min.
The utlity model has following advantage: 1, under normal cooking environments, the motor of range hood is with the rated speed running of 500～1500RPM, and its exhausting amount is at 10～15m
3/ min, this moment, range hood can be drained the oil smoke in kitchen only, and noise is also low; When starting stage at cooking and fried thing, oil smoke can strengthen in short-term, at this moment can change the connected mode of stator winding by the linked switch in the rotational speed governor, make stator winding from 4 utmost points to 2 grades of conversions, make the ultrahigh rotating speed running of range hood with 1600～2500RPM, this moment, the exhausting amount can reach 18～25m
3/ min drains oil smoke only in (1～5 minute) in short-term, recovers then can keep the air in kitchen clean in normal speed stage running, can reduce the generation of noise again.2, rotational speed governor also comprises the power supply o controller, can realize the combination of another kind of mode of speed regulation or several modes by changing supply frequency or power input voltage, and mode of speed regulation is various.
Description of drawings:
Fig. 1 is existing range hood stator winding connection diagram.
Fig. 2 is the utility model structural representation.
Fig. 3 is the electrical block diagram of the utility model embodiment one.
Fig. 4 is the electrical block diagram of the utility model embodiment two.
Fig. 5 is the electrical block diagram of the utility model embodiment three.
Fig. 6 is the electrical block diagram of the utility model embodiment four.
The specific embodiment:
Embodiment one: as Fig. 2, shown in Figure 3, a kind of range hood, comprise housing 1, be located at the wind drum 3 in the housing 1, be located at the alternating current generator 5 in the wind drum 3, be installed in the wind wheel 4 on the output revolving shaft of alternating current generator 5, be installed in the food tray 2 of wind drum 3 belows, an and rotational speed governor that is electrically connected with motor 5, rotational speed governor can be controlled motor and turn round under rated speed state and ultrahigh rotating speed state, described housing 1 is provided with air intake plate and air outlet 11, the air outlet of wind drum 3 is connected with the air outlet 11 of housing 1, described alternating current generator 5 comprises stator and rotor, stator comprises stator core and around the stator winding 51 that twists on the stator core, stator winding 51 comprises 4 utmost point main winding L1, L2, L3, L4 and 4 utmost point auxiliary winding L01, L02, L03, L04, described rotational speed governor comprises K1, K2, K3, four groups of linked switches 61 of K4, linked switch K1, K2, K3, K4 has some normally-closed contacts and normally opened contact, first end of main winding L1 is connected with power input V1, second end of main winding L1 is connected with first end of main winding L2 by the normally-closed contact of linked switch K1, second end of main winding L2 is connected with first end of main winding L3 by the normally-closed contact of linked switch K2, second end of main winding L3 is connected with first end of main winding L4 by another normally-closed contact of linked switch K2, and second end of main winding L4 is connected with power input V2 by another normally-closed contact of linked switch K2; First end of auxiliary winding L01 is connected with power input V1 by the normally-closed contact of linked switch K1, second end of auxiliary winding L01 is connected with first end of auxiliary winding L02 by the normally-closed contact of linked switch K4, second end of auxiliary winding L02 is connected with first end of auxiliary winding L03 by another normally-closed contact of linked switch K4, second end of auxiliary winding L03 is connected with first end of auxiliary winding L04 by another normally-closed contact of linked switch K4, and second end of auxiliary winding L04 connects by a capacitor C and is connected with power input V2; Second end of main winding L1 is connected with first end of auxiliary winding L01 by the normally opened contact of linked switch K3, second end of auxiliary winding L01 is connected with first end of main winding L3 by another normally opened contact of linked switch K3, second end of main winding L3 is connected with first end of auxiliary winding L03 by another normally opened contact of linked switch K3, and second end of auxiliary winding L03 is connected with power input V2 by the normally opened contact of linked switch K1; First end of main winding L2 is connected with power input V1 by another normally opened contact of linked switch K1, second end of main winding L2 is connected with first end of auxiliary winding L02 by another normally opened contact of linked switch K3, second end of auxiliary winding L02 is connected with first end of main winding L4 by another normally opened contact of linked switch K3, second end of main winding L4 is connected with first end of auxiliary winding L04 by another normally opened contact of linked switch K3, under the rated speed state, the normally-closed contact closure of described linked switch, normally opened contact disconnects, this moment, the rated speed of motor was 500～1500RPM, and the exhausting amount is at 10～15m
3/ min; Under the ultrahigh rotating speed state, the normally-closed contact of described linked switch disconnects, the normally opened contact closure, and this moment, the ultrahigh rotating speed of motor was 1600～2500RPM, the exhausting amount is at 18～25m
3/ min, operation 1～the 5min of motor under the ultrahigh rotating speed state, the timely pump drainage of oil smoke that can sharply increase in the starting stage of cooking and fried thing comes out, and then motor recovered the rated speed state, described rotational speed governor also comprises a power supply o controller 62, itself and be connected in power input V1 and power input V2 between, can change input supply voltage by power supply o controller 62, realize another kind of mode of speed regulation.
Embodiment two: as shown in Figure 4, be with embodiment one difference that described power supply o controller 62 is the variable-frequency power sources o controller, described motor 5 is a synchronous motor.
Embodiment three: as shown in Figure 5, be with embodiment one difference that described power supply o controller 62 is variable AC power o controller, described motor 5 is the permanent-magnetic outer rotor motor.
Embodiment four: as shown in Figure 6, be with embodiment one difference that described power supply o controller 62 is variable dc source o controller, described motor 5 is a brshless DC motor.
Claims (7)
1. range hood, comprise housing, be located at motor and wind wheel in the housing, wind wheel is installed on the output revolving shaft of motor, described motor comprises stator and rotor, stator comprises stator core and around the stator winding that twists on the stator core, stator winding comprises 4 utmost point main winding (L1, L2, L3, L4) and 4 utmost point auxiliary winding (L01, L02, L03, L04), it is characterized in that: also comprise a rotational speed governor that is electrically connected with motor, rotational speed governor can be controlled motor and turn round under rated speed state and ultrahigh rotating speed state, this rotational speed governor comprises linked switch (K1, K2, K3, K4), linked switch (K1, K2, K3, K4) have some normally-closed contacts and normally opened contact, first end of main winding (L1) is connected with power input (V1), second end of main winding (L1) is connected with first end of main winding (L2) by a normally-closed contact of linked switch (K1), second end of main winding (L2) is connected with first end of main winding (L3) by a normally-closed contact of linked switch (K2), second end of main winding (L3) is connected with first end of main winding (L4) by another normally-closed contact of linked switch (K2), and second end of main winding (L4) is connected with power input (V2) by another normally-closed contact of linked switch (K2); First end of auxiliary winding (L01) is connected with power input (V1) by a normally-closed contact of linked switch (K1), second end of auxiliary winding (L01) is connected with first end of auxiliary winding (L02) by the normally-closed contact of linked switch (K4), second end of auxiliary winding (L02) is connected with first end of auxiliary winding (L03) by another normally-closed contact of linked switch (K4), second end of auxiliary winding (L03) is connected with first end of auxiliary winding (L04) by another normally-closed contact of linked switch (K4), and second end of auxiliary winding (L04) connects by an electric capacity (C) and is connected with power input (V2); Second end of main winding (L1) is connected with first end of auxiliary winding (L01) by a normally opened contact of linked switch (K3), second end of auxiliary winding (L01) is connected with first end of main winding (L3) by another normally opened contact of linked switch (K3), second end of main winding (L3) is connected with first end of auxiliary winding (L03) by another normally opened contact of linked switch (K3), and second end of auxiliary winding (L03) is connected with power input (V2) by a normally opened contact of linked switch (K1); First end of main winding (L2) is connected with power input (V1) by another normally opened contact of linked switch (K1), second end of main winding (L2) is connected with first end of auxiliary winding (L02) by another normally opened contact of linked switch (K3), second end of auxiliary winding (L02) is connected with first end of main winding (L4) by another normally opened contact of linked switch (K3), second end of main winding (L4) is connected with first end of auxiliary winding (L04) by another normally opened contact of linked switch (K3), under the rated speed state, the normally-closed contact closure of described linked switch, normally opened contact disconnects, under the ultrahigh rotating speed state, the normally-closed contact of described linked switch disconnects, the normally opened contact closure.
2. a kind of range hood according to claim 1 is characterized in that: described rotational speed governor also comprises a power supply o controller, itself and be connected in power input (V1) and power input (V2) between.
3. a kind of range hood according to claim 2 is characterized in that: described power supply o controller is the variable-frequency power sources o controller, and described motor is a synchronous motor.
4. a kind of range hood according to claim 2 is characterized in that: described power supply o controller is variable AC power o controller, and described motor is the permanent-magnetic outer rotor motor.
5. a kind of range hood according to claim 2 is characterized in that: described power supply o controller is variable dc source o controller, and described motor is a brshless DC motor.
6. according to claim 1 or 2 or 3 or 4 or 5 described a kind of range hoods, it is characterized in that: the rated speed of described motor is 500～1500RPM, and the exhausting amount is at 10～15m
3/ min, the ultrahigh rotating speed of described motor is 1600～2500RPM, the exhausting amount is at 18～25m
3/ min.
7. a kind of range hood according to claim 6 is characterized in that: the running time of described motor under the ultrahigh rotating speed state is 1～5min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201281635U CN201706567U (en) | 2010-03-03 | 2010-03-03 | Range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201281635U CN201706567U (en) | 2010-03-03 | 2010-03-03 | Range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201706567U true CN201706567U (en) | 2011-01-12 |
Family
ID=43443726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201281635U Expired - Fee Related CN201706567U (en) | 2010-03-03 | 2010-03-03 | Range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201706567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214808A (en) * | 2014-08-22 | 2014-12-17 | 珠海格力电器股份有限公司 | Range hood and control method thereof |
-
2010
- 2010-03-03 CN CN2010201281635U patent/CN201706567U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214808A (en) * | 2014-08-22 | 2014-12-17 | 珠海格力电器股份有限公司 | Range hood and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20190303 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |