CN201966857U - Direct current motor revolving speed control device for oil-fume extractor - Google Patents
Direct current motor revolving speed control device for oil-fume extractor Download PDFInfo
- Publication number
- CN201966857U CN201966857U CN2010206256038U CN201020625603U CN201966857U CN 201966857 U CN201966857 U CN 201966857U CN 2010206256038 U CN2010206256038 U CN 2010206256038U CN 201020625603 U CN201020625603 U CN 201020625603U CN 201966857 U CN201966857 U CN 201966857U
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- motor
- rotating speed
- smoke exhaust
- sensing module
- microprocessor
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Abstract
Disclosed is a direct current motor revolving speed control device for an oil-fume extractor. The control device contains a motor driving circuit, a direct current brushless motor and a monitoring module; the motor driving circuit contains a pulse width modulation controller and a phase-control circuit which is electrically connected with the pulse width modulation controller; the direct current brushless motor is electrically connected with the motor driving circuit; the monitoring module contains a microprocessor, the microprocessor can generate revolving speed control signal, the revolving speed control signal is transmitted to the motor driving circuit, corresponding pulse width modulation signal is generated and transmitted to the phase-control circuit, the phase-control circuit modulates the phases so as to output a revolving speed control voltage; and the direct current brushless motor changes the revolving speed of the direct current brushless motor based on the revolving speed control voltage. Therefore, the control device can provide above four-section revolving speed for the motor of the oil-fume extractor.
Description
Technical field
The utility model relates to a kind of device for controlling motor rotational speed of smoke exhaust, refers to a kind of smoke exhaust d.c. motor revolution speed control device especially.
Background technology
The use of existing smoke exhaust, manually boot fan motor and adjust motor rotary speed by the user mostly, yet, user's motor rotary speed of when culinary art, often can't diverting one's attention to adjust synchronously on the one hand, the user can't judge that the smoke exhaust internal temperature changes situation on the other hand, motor in high temperature operation after damaging for a long time, thereby the proposition of automatic starter and the smoke exhaust of adjusting motor rotary speed arranged, yet, no matter which kind of motor, it all can only provide the syllogic rotating speed, thereby can further improve so that more kinds of rotating speeds to be provided.
Summary of the invention
Only can provide the problem of three kinds of rotating speeds, the utility model that a kind of smoke exhaust d.c. motor revolution speed control device that can improve existing shortcoming is provided for solving existing smoke exhaust motor, make the motor of smoke exhaust that rotating speed more than four sections can be provided.
The technological means that the utility model used is to provide a kind of smoke exhaust d.c. motor revolution speed control device, comprises:
One ac-dc converter circuit is in order to be converted to DC power supply with AC power;
One multisection type rotating speed switch unit comprises at least four rotating speed diverter switches, and according to the corresponding motor control signal of selected rotating speed diverter switch output;
One motor drive circuit, comprise the phase-control circuit that a PWM controller and is electrically connected to this PWM controller, this motor drive circuit produces a pulse-width modulation signal and is sent to this phase-control circuit, makes this phase-control circuit make phase modulation to export rotating speed control voltage;
One direct current brushless motor is electrically connected to this motor drive circuit, and this DC Brushless Motor changes this DC Brushless Motor rotating speed according to aforesaid rotating speed control voltage; And
One monitoring module comprises a microprocessor that is electrically connected to this multisection type rotating speed switch unit and this PWM controller; When this microprocessor after receiving motor control signal, produce a pair of speed controling signal that should the motor control signal rotating speed, and export this speed controling signal to this motor drive circuit, to produce corresponding this pulse-width modulation signal that produces.
The smoke exhaust d.c. motor revolution speed control device of a kind of fail safe provided by the utility model, wherein, above-mentioned monitoring module further includes sensing module, be electrically connected to this microprocessor, this motor drive circuit and this DC Brushless Motor, and this sensing module comprises a temperature sensing module, a current sensing module and a rotating speed sensing module; Wherein this temperature sensing module comprises the aforementioned sensing signal of temperature information with generation in order to the temperature that detects this DC Brushless Motor and this motor drive circuit, this current sensing module comprises the aforementioned sensing signal of current information in order to the current sinking that detects this DC Brushless Motor with generation, and this rotating speed sensing module comprises the aforementioned sensing signal of DC Brushless Motor rotary speed information with generation in order to the rotating speed that detects this DC Brushless Motor; This monitoring module further comprises a unusual protection module; When this sensing module passback motor temperature of this microprocessor judges, electric current and rotating speed are unusual, promptly reduce or stop DC Brushless Motor shutting down.
The smoke exhaust d.c. motor revolution speed control device of a kind of high convenience provided by the utility model, wherein, the sensing module of above-mentioned monitoring module is a smoke exhaust temperature sensing module, to detect the temperature of smoke exhaust.
Aforesaid smoke exhaust d.c. motor revolution speed control device, it further comprises a lighting unit, and this lighting unit comprises a lighting module and an illumination switching device shifter; Wherein should the illumination switching device shifter after receiving extraneous input, deliver to this microprocessor and can produce an illumination sign with correspondence and be sent to this lighting module, and illumination is provided.
Aforesaid smoke exhaust d.c. motor revolution speed control device, wherein said multisection type rotating speed switch unit is integrated in a touch control display with the illumination switching device shifter, and after receiving extraneous input and being sent to this microprocessor, the corresponding shows signal that produces of this microprocessor is sent to this touch control display, in order to show corresponding information.
Aforesaid smoke exhaust d.c. motor revolution speed control device, wherein said monitoring module further comprises a remote-control receiving circuit, it is electrically connected to this microprocessor, this remote-control receiving circuit is after receiving remote control input, be sent to this microprocessor, and can correspondingly produce aforesaid motor control signal, illumination sign and shows signal.
Aforesaid smoke exhaust d.c. motor revolution speed control device, wherein said phase-control circuit comprises three-phase coil, and can correspondingly produce three-phase voltage.
The smoke exhaust d.c. motor revolution speed control device that the utility model utilization is provided, the concrete benefit that can obtain is:
1. the utility model makes the mist extractor function that rotating speed more than four sections is provided, and makes the smoke exhaust more can the person of being used and better smoke exhaust efficiency is arranged.
2. the utility model can be according to the electric current and the smoke exhaust housing temperature of internal temperature, motor rotary speed, input motor, corresponding regulation and control motor rotary speed, also can more immediately detect motor running and whether take place unusual and fast reaction, fail safe and convenience on raising is used.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model preferred embodiment;
Fig. 2 is the local circuit calcspar of the utility model preferred embodiment;
Fig. 3 is the stereo appearance figure of the utility model preferred embodiment.
Description of reference numerals: 10-ac-dc converter circuit; The 20-lighting unit; The 21-lighting module; The 22-switching device shifter that throws light on; 30-multisection type rotating speed switch unit; 31-rotating speed diverter switch; The 40-motor drive circuit; The 41-PWM controller; The 42-phase-control circuit; The 50-DC Brushless Motor; The 60-monitoring module; The 61-microprocessor; The 62-sensing module; The 621-temperature sensing module; The 622-current sensing module; 623-rotating speed sensing module; 624-smoke exhaust temperature sensing module; The 63-remote-control receiving circuit.
Embodiment
Be energy detail knowledge technical characterictic of the present utility model and practical effect, and can implement,, describe in detail as the back now further with preferred embodiment as shown in drawings according to the content of specification:
The preferred embodiment of smoke exhaust d.c. motor revolution speed control device provided by the utility model as shown in Figure 1 to Figure 3, it comprises an ac-dc converter circuit 10, a lighting unit 20, a multisection type rotating speed switch unit 30, a motor drive circuit 40, a direct current brushless motor 50 and a monitoring module 60.
This ac-dc converter circuit 10 gives aforementioned each circuit in order to AC power is converted to DC power supply and power.
This lighting unit 20 comprises a lighting module 21 and an illumination switching device shifter 22, and this lighting module 21 provides illumination by the LED lamp.
This multisection type rotating speed switch unit 30 comprises six rotating speed diverter switches 31, and according to the corresponding motor control signal of selected rotating speed diverter switch 31 outputs.
This motor drive circuit 40 comprises the phase-control circuit 42 that a PWM controller 41 and is electrically connected to this PWM controller 41, this phase-control circuit 42 comprises three-phase coil, and can correspondingly produce three-phase voltage, this motor drive circuit 40 produces a pulse-width modulation signal and is sent to this phase-control circuit 42, makes this phase-control circuit 42 make phase modulation to export rotating speed control voltage.
This DC Brushless Motor 50 is electrically connected to this motor drive circuit 40, and this DC Brushless Motor 50 changes rotating speed according to aforesaid rotating speed control voltage, and can cooperate multisection type rotating speed switch unit 30 that at least four sections rotating speeds are provided; Cooperate this six rotating speeds diverter switch 31 that six sections rotating speeds are provided in the present embodiment.
This monitoring module 60 comprises a microprocessor 61, one sensing module 62 and that is electrically connected to this microprocessor 61 is electrically connected to the remote-control receiving circuit 63 of this microprocessor 61, this microprocessor 61 is electrically connected to this illumination switching device shifter 22, this multisection type rotating speed switch unit 30 and this PWM controller 41, and comprise a unusual protection module, this unusual protection module comprises a unusual guard process, this sensing module 62 is electrically connected to this motor drive circuit 40 and this DC Brushless Motor 50, and comprise a temperature sensing module 621, one current sensing module 622, an one rotating speed sensing module 623 and a smoke exhaust temperature sensing module 624, this remote-control receiving circuit 63 is sent to this microprocessor 61 after receiving remote control input;
This temperature sensing module 621 is in order to detect the temperature of this DC Brushless Motor 50 and this motor drive circuit 40, the aforementioned sensing signal that comprises temperature information with generation, this current sensing module 622 comprises the aforementioned sensing signal of current information with generation in order to the current sinking that detects this DC Brushless Motor 50, this rotating speed sensing module 623 comprises the aforementioned sensing signal of rotary speed information in order to the rotating speed that detects this DC Brushless Motor 50 with generation, and this smoke exhaust temperature sensing module 624 produces aforementioned sensing signal in order to detect the smoke exhaust temperature.
Aforesaid multisection type rotating speed switch unit 30 is integrated in a touch control display with illumination switching device shifter 22, and after receiving extraneous input and being sent to this microprocessor 61, these microprocessor 61 corresponding shows signal that produce are sent to this touch control display, in order to show corresponding information.
Aforementioned illumination switching device shifter 22 or remote-control receiving circuit 63 can be after receiving extraneous input, deliver to this microprocessor 61 and produce an illumination sign with correspondence and be sent to this lighting module 21, and illumination is provided; And aforementioned multisection type rotating speed switch unit 30 or remote-control receiving circuit 63 are after receiving extraneous input and being sent to this microprocessor 61, these microprocessor 61 corresponding shows signal that produce are sent to this touch control display, in order to show corresponding standing, and this microprocessor 61 is after receiving the motor control signal that this multisection type rotating speed switch unit 30 or this remote-control receiving circuit 63 transmit, the corresponding speed controling signal that produces, this motor drive circuit 40 is after receiving aforesaid speed controling signal, and correspondence produces this pulse-width modulation signal;
In addition, this microprocessor 61 is carried out this unusual guard process, to obtain these sensing module 62 measured these DC Brushless Motor 50 that obtain and the state of this motor drive circuit 40, when this microprocessor 61 judges that these sensing module 62 passback motor temperatures, electric current and rotating speed are unusual, promptly reduce or stop DC Brushless Motor shutting down.
And the unusual guard process of aforementioned microprocessor 61 can be used as follows:
After this temperature sensing module 621 detects the temperature of this DC Brushless Motor 50 and this motor drive circuit 40, this microprocessor 61 judges whether temperature too high (as above 100 ℃) according to the sensing signal that comprises temperature information of these temperature sensing module 621 passbacks, then turns round to reduce these DC Brushless Motor 50 rotating speeds or to stop this DC Brushless Motor 50 by this speed controling signal as if too high;
After this current sensing module 622 detects the current sinking of this DC Brushless Motor 50, this microprocessor 61 judges according to the sensing signal that comprises current information of these current sensing module 622 passbacks whether electric current is too high, if then elder generation, then further turns round to stop this DC Brushless Motor 50 by this speed controling signal if electric current is still too high to reduce this DC Brushless Motor 50 rotating speeds by this speed controling signal again;
After this rotating speed sensing module 623 detects the rotating speed of this DC Brushless Motor 50, whether this microprocessor 61 turns round normal according to this DC Brushless Motor 50 of judging that comprises DC Brushless Motor 50 rotary speed informations of these rotating speed sensing module 623 passbacks, if these DC Brushless Motor 50 stuck can't runnings are then turned round to stop this DC Brushless Motor 50 by this speed controling signal;
After this smoke exhaust temperature sensing module 624 detects the smoke exhaust temperature, automatically how much judge present oil smoke by this microprocessor 61 according to the temperature height, on behalf of present rotating speed, Gao Ze be not enough to get rid of oil smoke if temperature heals, and improves DC Brushless Motor 50 rotating speeds automatically; Otherwise, if temperature is low excessively, judge automatically that then present oil smoke is very few, represent present rotating speed too high relatively, and reduce DC Brushless Motor 50 rotating speeds automatically, also can reach the effect of economize on electricity.
Motor of the present utility model can provide the rotating speed more than four sections, make the smoke exhaust more can the person of being used and better smoke exhaust efficiency is arranged, in addition, the utility model can be according to the electric current and the smoke exhaust housing temperature of internal temperature, motor rotary speed, input motor, corresponding regulation and control motor rotary speed, also can more immediately detect motor running and whether take place unusual and fast reaction, fail safe and convenience on raising is used.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, have in the technical field under any and know the knowledgeable usually, if in the scope that does not break away from technical characterictic that the utility model is carried, utilize technology contents that the utility model discloses to do the local equivalent embodiment that changes or modify, and do not break away from technical characterictic content of the present utility model, all still belong in the scope of the utility model technical characterictic.
Claims (8)
1. a smoke exhaust d.c. motor revolution speed control device is characterized in that, comprises:
One ac-dc converter circuit, it is in order to be converted to DC power supply with AC power;
One multisection type rotating speed switch unit, it comprises at least four rotating speed diverter switches, and according to the corresponding motor control signal of selected rotating speed diverter switch output;
One motor drive circuit, it comprises the phase-control circuit that a PWM controller and is electrically connected to this PWM controller, this motor drive circuit produces a pulse-width modulation signal and is sent to this phase-control circuit, makes this phase-control circuit make phase modulation to export rotating speed control voltage;
One direct current brushless motor, it is electrically connected to this motor drive circuit, and this DC Brushless Motor changes this DC Brushless Motor rotating speed according to aforesaid rotating speed control voltage; And
One monitoring module, it comprises a microprocessor that is electrically connected to this multisection type rotating speed switch unit and this PWM controller; After this microprocessor receives motor control signal, produce a pair of speed controling signal that should the motor control signal rotating speed, and export this speed controling signal to this motor drive circuit, to produce corresponding this pulse-width modulation signal that produces.
2. smoke exhaust d.c. motor revolution speed control device according to claim 1, it is characterized in that, described monitoring module further includes sensing module, this sensing module is electrically connected to this microprocessor, this motor drive circuit and this DC Brushless Motor, and this sensing module comprises a temperature sensing module, a current sensing module and a rotating speed sensing module; Wherein this temperature sensing module comprises the aforementioned sensing signal of temperature information with generation in order to the temperature that detects this DC Brushless Motor and this motor drive circuit, this current sensing module comprises the aforementioned sensing signal of current information in order to the current sinking that detects this DC Brushless Motor with generation, and this rotating speed sensing module comprises the aforementioned sensing signal of DC Brushless Motor rotary speed information with generation in order to the rotating speed that detects this DC Brushless Motor; This monitoring module further comprises a unusual protection module, when this sensing module passback motor temperature of this microprocessor judges, electric current and rotating speed are unusual, promptly reduces or stop the DC Brushless Motor running.
3. smoke exhaust d.c. motor revolution speed control device according to claim 2 is characterized in that, the sensing module of described monitoring module is a smoke exhaust temperature sensing module, and it is in order to detect the temperature of smoke exhaust.
4. smoke exhaust d.c. motor revolution speed control device according to claim 1 is characterized in that, the sensing module of described monitoring module is a smoke exhaust temperature sensing module, and it is in order to detect the temperature of smoke exhaust.
5. according to each described smoke exhaust d.c. motor revolution speed control device in the claim 1 to 4, it is characterized in that, further comprise a lighting unit, this lighting unit comprises a lighting module and an illumination switching device shifter; Wherein should the illumination switching device shifter after receiving extraneous input, deliver to this microprocessor and can produce an illumination sign with correspondence and be sent to this lighting module, and illumination is provided.
6. smoke exhaust d.c. motor revolution speed control device according to claim 5, it is characterized in that, described multisection type rotating speed switch unit is integrated in a touch control display with the illumination switching device shifter, after receiving extraneous input and being sent to this microprocessor, the corresponding shows signal that produces of this microprocessor is sent to this touch control display, and this touch control display is in order to show corresponding information.
7. smoke exhaust d.c. motor revolution speed control device according to claim 6, it is characterized in that, described monitoring module further comprises a remote-control receiving circuit, it is electrically connected to this microprocessor, this remote-control receiving circuit is after receiving remote control input, be sent to this microprocessor, can correspondingly produce aforesaid motor control signal, illumination sign and shows signal.
8. smoke exhaust d.c. motor revolution speed control device according to claim 7 is characterized in that described phase-control circuit comprises three-phase coil, can correspondingly produce three-phase voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206256038U CN201966857U (en) | 2010-11-23 | 2010-11-23 | Direct current motor revolving speed control device for oil-fume extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206256038U CN201966857U (en) | 2010-11-23 | 2010-11-23 | Direct current motor revolving speed control device for oil-fume extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201966857U true CN201966857U (en) | 2011-09-07 |
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ID=44529409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206256038U Expired - Fee Related CN201966857U (en) | 2010-11-23 | 2010-11-23 | Direct current motor revolving speed control device for oil-fume extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201966857U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253228A (en) * | 2016-08-21 | 2016-12-21 | 西安科技大学 | A kind of safety protection device being applied to heavy-duty motor power transmission shaft |
| CN107559909A (en) * | 2017-08-08 | 2018-01-09 | 珠海格力电器股份有限公司 | Range hood and control method thereof |
| CN110381624A (en) * | 2018-04-10 | 2019-10-25 | 大青节能科技股份有限公司 | The parallel connection LED flow equalizing circuit of motor-driven system |
| CN111483784A (en) * | 2019-01-28 | 2020-08-04 | 天下逻辑股份有限公司 | Safety type roller controller for logistics transmission system |
-
2010
- 2010-11-23 CN CN2010206256038U patent/CN201966857U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253228A (en) * | 2016-08-21 | 2016-12-21 | 西安科技大学 | A kind of safety protection device being applied to heavy-duty motor power transmission shaft |
| CN107559909A (en) * | 2017-08-08 | 2018-01-09 | 珠海格力电器股份有限公司 | Range hood and control method thereof |
| CN110381624A (en) * | 2018-04-10 | 2019-10-25 | 大青节能科技股份有限公司 | The parallel connection LED flow equalizing circuit of motor-driven system |
| CN111483784A (en) * | 2019-01-28 | 2020-08-04 | 天下逻辑股份有限公司 | Safety type roller controller for logistics transmission system |
| CN111483784B (en) * | 2019-01-28 | 2021-11-19 | 天下逻辑股份有限公司 | Safety type roller controller for logistics transmission system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20131123 |