CN101900364A - DC frequency conversion range hood - Google Patents
DC frequency conversion range hood Download PDFInfo
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- CN101900364A CN101900364A CN2010102354182A CN201010235418A CN101900364A CN 101900364 A CN101900364 A CN 101900364A CN 2010102354182 A CN2010102354182 A CN 2010102354182A CN 201010235418 A CN201010235418 A CN 201010235418A CN 101900364 A CN101900364 A CN 101900364A
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- motor
- frequency conversion
- range hood
- frequency
- control system
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Abstract
The invention discloses a DC frequency conversion range hood. The DC frequency conversion range hood comprises a range hood main body, a control system and a motor (3) connected with the control system, and is characterized in that: the motor (3) is a three-phase brushless DC permanent-magnet motor; the control system is a frequency conversion system which consists of an inductive control panel (1), a frequency conversion controller (2) and the motor (3); the inductive control panel (1) is connected with the frequency conversion controller (2) through a communication cable; the motor (3) is electrically connected with the frequency conversion controller (2); and a Hall position sensor arranged on a stator of the motor (3) is connected with the frequency conversion controller (2) through a circuit. The DC frequency conversion range hood improves efficiency and reduces energy consumption due to the DC frequency conversion driving; moreover, inductive control can be realized, so operation is more convenient and faster and the comfort of using the product is also improved.
Description
Technical field
The present invention relates to a kind of range hood, especially relate to a kind of DC frequency conversion range hood.
Background technology
At present, the energy-conservation developing direction that has become following household electrical appliances, employed range hood in people's daily life, the employed motor of draft fan generally all is an alternating current generator, smoke exhaust ventilator also belongs to the electrical equipment that all will use every day in family, though each service time is not long, because the alternating current generator efficient of using is too low at present, energy consumption is still very big.Even what have introduces range hood with converter technique, existing product also can only be accomplished the third gear speed governing, and rotating speed speed governing gear is very few, owing to can not accomplish stepless speed regulation, does not satisfy the choose at random requirement of user to rotating speed, in use not enough Energy and comfort.
Summary of the invention
The purpose of this invention is to provide a kind of DC frequency conversion range hood, can solve the very few and technical problem of not enough in use Energy and comfort of above-mentioned range hood rotating speed speed governing gear.
The problem that will solve required for the present invention realizes by the following technical solutions: it comprises range hood main body, control system and the motor that is connected with control system, it is characterized in that described motor is the three-phase brushless direct current permanent magnet motor, described control system is a frequency conversion system, frequency conversion system is by the induction type control panel, frequency-variable controller and motor are formed, the induction type control panel is connected with frequency-variable controller by communication cable, motor and frequency-variable controller are electrically connected, and the hall position sensor that is located on the motor stator is connected with the frequency-variable controller circuit.
The structure that the present invention adopts because DC frequency-changing drives, has improved efficient, has reduced energy consumption simultaneously.In addition, owing to can realize induction control, thus more convenient during operation, also increased the comfortableness that product uses.
Description of drawings
The present invention is described further below in conjunction with accompanying drawing:
Accompanying drawing is depicted as structural representation of the present invention
Among the figure 1, induction type control panel 2, frequency-variable controller 3, motor
The specific embodiment
By accompanying drawing as can be known, this DC frequency conversion range hood comprises range hood main body, control system and the motor 3 that is connected with control system, it is characterized in that described motor 3 is the three-phase brushless direct current permanent magnet motor, described control system is a frequency conversion system, frequency conversion system is by induction type control panel 1, frequency-variable controller 2 and motor 3 are formed, induction type control panel 1 is connected with frequency-variable controller 2 by communication cable, motor 3 is electrically connected with frequency-variable controller 2, and the hall position sensor that is located on motor 3 stators is connected with frequency-variable controller 2 circuit.
Magneto of the present invention is the motor that utilizes the excitation field of permanent magnet foundation, and its stator produces rotating excitation field, is normally made by the magnet thin slice, and the stator corresponding windings is inserted trough, does not have brush on the rotor, and commutation is finished in the electronics mode on rotor.Air-gap field is to be produced by permanent magnet, so the magnetic flux that rotor magnet produces is constant, when electronics magnetic field changed, by magneticaction, rotor will and then be turned over.The induction type control panel is visual induction operation interface, directly to the frequency-variable controller instruction that sends control information, reaches frequency-variable controller with digital signal form, after frequency-variable controller is received instruction, divides the folding command information, makes the executable operations command information.If the raising speed instruction, then controller is by the frequency conversion principle, and regulation voltage, frequency make frequency gets higher, and drive motors is accelerated.Start or stop in this way, then controller directly opens or closes relay, and frequency-variable controller sends trip information by digital communication to panel simultaneously, shows for panel system.Other rotary speed information, power information etc. all can feed back to the control panel system, realize man-machine mutual interface.
Frequency-variable controller is by detecting three Hall elements on the motor stator, and the signal in some cycles changes and calculates the running speed of motor at that time.Motor rotation is fast, and the signal of Hall element changes just fast, and correspondingly motor is if running is slow, and then the signal of Hall changes also slow.When frequency-variable controller is carried out gear-shift command, make electric current, voltage change by the switch of regulating power tube, internal magnetic field just changes, and the effect to the rotor magnetic pole is passed through in the magnetic field of variation again, and makes motor quickening or slack-off, thus the speed of crossing is regulated.The signal of Hall element variation simultaneously feeds back to controller again, and like this, when motor speed did not also reach the instruction rotating speed, controller will continue, and sent instruction, made motor lifting speed, to reach the instruction rotating speed.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other multi-form variation or changes on the basis of the above description.Here need not also can't give all embodiments exhaustive, and these belong to conspicuous variation or the change that spirit of the present invention draws and still are among protection scope of the present invention.
Claims (1)
1. DC frequency conversion range hood, comprise range hood main body, control system and the motor that is connected with control system, it is characterized in that described motor is the three-phase brushless direct current permanent magnet motor, described control system is a frequency conversion system, frequency conversion system is by the induction type control panel, frequency-variable controller and motor are formed, the induction type control panel is connected with frequency-variable controller by communication cable, motor and frequency-variable controller are electrically connected, and the hall position sensor that is located on the motor stator is connected with the frequency-variable controller circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102354182A CN101900364A (en) | 2010-07-26 | 2010-07-26 | DC frequency conversion range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102354182A CN101900364A (en) | 2010-07-26 | 2010-07-26 | DC frequency conversion range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101900364A true CN101900364A (en) | 2010-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102354182A Pending CN101900364A (en) | 2010-07-26 | 2010-07-26 | DC frequency conversion range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101900364A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032610A (en) * | 2010-12-07 | 2011-04-27 | 广东万家乐燃气具有限公司 | Direct current frequency-variable stepless speed regulation range hood |
| CN102200312A (en) * | 2011-05-23 | 2011-09-28 | 杨志龙 | Novel ventilation device |
| CN103542439A (en) * | 2012-07-11 | 2014-01-29 | 博西华电器（江苏）有限公司 | Kitchen ventilator and control method thereof |
| CN109424998A (en) * | 2017-08-22 | 2019-03-05 | 宁波方太厨具有限公司 | A kind of range hood and control method of automatic distribution negative pressuren zone |
| CN112377959A (en) * | 2020-10-20 | 2021-02-19 | 华帝股份有限公司 | Motor control method of variable-frequency range hood |
-
2010
- 2010-07-26 CN CN2010102354182A patent/CN101900364A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032610A (en) * | 2010-12-07 | 2011-04-27 | 广东万家乐燃气具有限公司 | Direct current frequency-variable stepless speed regulation range hood |
| CN102200312A (en) * | 2011-05-23 | 2011-09-28 | 杨志龙 | Novel ventilation device |
| CN103542439A (en) * | 2012-07-11 | 2014-01-29 | 博西华电器（江苏）有限公司 | Kitchen ventilator and control method thereof |
| CN103542439B (en) * | 2012-07-11 | 2018-01-09 | 博西华电器（江苏）有限公司 | Smoke exhaust ventilator and its control method |
| CN109424998A (en) * | 2017-08-22 | 2019-03-05 | 宁波方太厨具有限公司 | A kind of range hood and control method of automatic distribution negative pressuren zone |
| CN109424998B (en) * | 2017-08-22 | 2023-10-20 | 宁波方太厨具有限公司 | Range hood capable of automatically distributing negative pressure area and control method |
| CN112377959A (en) * | 2020-10-20 | 2021-02-19 | 华帝股份有限公司 | Motor control method of variable-frequency range hood |
| CN112377959B (en) * | 2020-10-20 | 2022-11-15 | 华帝股份有限公司 | Motor control method of variable-frequency range hood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101201 |
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| WD01 | Invention patent application deemed withdrawn after publication |