CN107035713B - A kind of automatic identifying method and device of DC fan type - Google Patents
A kind of automatic identifying method and device of DC fan type Download PDFInfo
- Publication number
- CN107035713B CN107035713B CN201710383262.4A CN201710383262A CN107035713B CN 107035713 B CN107035713 B CN 107035713B CN 201710383262 A CN201710383262 A CN 201710383262A CN 107035713 B CN107035713 B CN 107035713B
- Authority
- CN
- China
- Prior art keywords
- fan
- signal
- type
- predeterminated frequency
- motor chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
Abstract
The present invention relates to DC fan technical fields, disclose a kind of automatic identifying method and device of DC fan, the automatic identifying method of DC fan DC fan power supply system after the power is turned on, when the pwm signal end of DC fan does not receive pwm signal, obtain the predeterminated frequency signal of the FG signal ends output of the motor chip of DC fan, and the type of DC fan is judged according to the frequency values of the predeterminated frequency signal of the FG signal ends of the motor chip of DC fan output, the DC fan of wherein some type is selected to avoid passing through manual operation toggle switch or carry out button selection, to reduce the hardware circuit cost of the master controller of combustion gas hydrophone and improve the reliability of gas heater, thereby reduce the manufacturing cost and after service cost of gas heater.Further, since alloing gas heater to use the different types of DC fan that provides of different suppliers by the automatic identifying method of DC fan, to reduce the cost of gas heater.
Description
Technical field
The present invention relates to DC fan technical fields, a kind of automatic identifying method more particularly to DC fan type and
Device.
Background technology
Currently, the gas heater of existing same model or homologous series generally only uses the single type of single-vendor offer
DC fan then needed through manual operation dial-up when the different types of DC fan provided using different suppliers
Switch carries out button selection to select the DC fan that wherein some supplier provides, to send corresponding signal to combustion
The master controller of gas water heater, to make the master controller of gas heater know, currently used is which supplier carries
The DC fan of confession.
But in the different types of DC fan provided using different suppliers, pass through manual operation toggle switch
Or button selection is carried out to select the mode of the wherein DC fan of some supplier offer, it can cause to increase master controller
Hardware circuit cost and the reliability for reducing product, so as to cause the increase and after-sale service of gas heater manufacturing cost
The increase of cost.In addition, if only using the DC fan of the single type of single-vendor offer, can also be carried due to supplier
The price of high DC fan and cause the cost of gas heater higher.
Invention content
First technical problem solved by the invention is to provide for a kind of automatic identifying method of DC fan type, with
The type of automatic identification DC fan, to reduce the cost and after service cost of gas heater.
Second technical problem solved by the invention is to provide for a kind of automatic identification equipment of DC fan type, with
The type of automatic identification DC fan, to reduce the cost and after service cost of gas heater.
Above-mentioned first technical problem is solved by the following technical programs：
A kind of automatic identifying method of DC fan type, including step：
DC fan power supply system after the power is turned on, judge the motor chip of the DC fan pwm signal end whether
Receive pwm signal；
When judging that the pwm signal end of the DC fan does not receive pwm signal, the motor of the DC fan is obtained
The predeterminated frequency signal of the FG signal ends output of chip；
According to the frequency values of the predeterminated frequency signal of the FG signal ends of the motor chip of DC fan output, institute is judged
State the type of DC fan.
The automatic identifying method of DC fan of the present invention compared with the background art caused by advantageous effect：
The automatic identifying method of above-mentioned DC fan DC fan power supply system after the power is turned on, in the PWM of DC fan
When signal end does not receive pwm signal, the predeterminated frequency signal of the FG signal ends output of the motor chip of DC fan is obtained, and
The type of DC fan is judged according to the frequency values of the predeterminated frequency signal of the FG signal ends of the motor chip of DC fan output,
The DC fan of wherein some type is selected to avoid passing through manual operation toggle switch or carry out button selection, with drop
The hardware circuit cost of the master controller of low burn air water device and the reliability for improving gas heater thereby reduce combustion gas heat
The manufacturing cost and after service cost of hydrophone.Further, since so that combustion gas is hot by the automatic identifying method of DC fan
Hydrophone can use the different types of DC fan that different suppliers provide, therefore will not be led since single-vendor is forced up commodity prices
The higher price for causing DC fan, to reduce the cost of gas heater.
The FG signal ends output of the motor chip according to the DC fan is default in one of the embodiments,
The frequency values of frequency signal judge that the type of the DC fan specifically includes：
Obtain the frequency values of the predeterminated frequency signal of the FG signal ends output of the motor chip of the DC fan；
According to the frequency values of the predeterminated frequency signal of the FG signal ends of the motor chip of preset DC fan output
With the relation table of the type of the DC fan, the type of the DC fan is judged.
After obtaining the frequency values of predeterminated frequency signal of the FG signal ends of motor chip of DC fan output, lead to
Cross the motor chip for inquiring the preset DC fan FG signal ends output predeterminated frequency signal frequency values with it is described
The relation table of the type of DC fan judges the type of the DC fan, so that it is guaranteed that the standard of the DC fan type
Really judge.
The automatic identifying method of the DC fan type further includes step in one of the embodiments,：
Obtain the duration of the FG signal ends output predeterminated frequency signal of the motor chip of the DC fan；
When the duration that the FG signal ends of the motor chip of the DC fan export predeterminated frequency signal reaches preset the
When one duration threshold value, the FG signal ends for controlling the motor chip of the DC fan stop output predeterminated frequency signal.
The duration that predeterminated frequency signal is exported in the FG signal ends of the motor chip of the DC fan reaches preset the
After one duration threshold value, control the motor chip of the DC fan FG signal ends stop output predeterminated frequency signal, so as to
After the electric motor starting of the DC fan, the direct current can be exported by the FG signal ends of the motor chip of the DC fan
The rotating speed of the motor of wind turbine.
The preset first duration threshold value is 5s in one of the embodiments,.
The automatic identifying method of the DC fan type further includes step in one of the embodiments,：
When judging that the pwm signal termination of the DC fan receives pwm signal, the motor core of the DC fan is controlled
The FG signal ends of piece stop output predeterminated frequency signal.
When the pwm signal termination for judging the DC fan receives pwm signal, the motor core of the DC fan is controlled
The FG signal ends of piece stop output predeterminated frequency signal, can be by described so as to after the electric motor starting of the DC fan
The FG signal ends of the motor chip of DC fan export the rotating speed of the motor of the DC fan.
Above-mentioned second technical problem is solved by the following technical programs：
A kind of automatic identification equipment of DC fan type, including：
Pwm signal judgment module, for DC fan power supply system after the power is turned on, judge the motor of the DC fan
Whether the pwm signal end of chip receives pwm signal；
Predeterminated frequency signal acquisition module judges that the pwm signal end of the DC fan does not receive pwm signal for working as
When, obtain the predeterminated frequency signal of the FG signal ends output of the motor chip of the DC fan；
DC fan type judging module is used to be exported according to the FG signal ends of the motor chip of the DC fan pre-
If the frequency values of frequency signal judge the type of the DC fan.
The automatic identification equipment of DC fan of the present invention compared with the background art caused by advantageous effect：
The automatic identification equipment of above-mentioned DC fan DC fan power supply system after the power is turned on, judged by pwm signal
Module judges whether the pwm signal end of the motor chip of DC fan receives pwm signal, in the PWM letters for judging DC fan
When not receiving pwm signal, the FG signal ends that the motor chip of DC fan is obtained by predeterminated frequency signaling module are defeated for number end
The predeterminated frequency signal gone out, and it is defeated according to the FG signal ends of the motor chip of DC fan by DC fan type judging module
The frequency values of the predeterminated frequency signal gone out judge the type of DC fan, to avoid passing through manual operation toggle switch or progress
Button selects to select the DC fan of wherein some type, to reduce the hardware circuit cost of the master controller of combustion gas hydrophone
And the reliability of gas heater is improved, thereby reduce the manufacturing cost and after service cost of gas heater.This
Outside, due to alloing gas heater to use the inhomogeneity that provides of different suppliers by the automatic identifying method of DC fan
The DC fan of type, therefore the higher price of DC fan will not be forced up commodity prices and caused due to single-vendor, to reduce combustion
The cost of gas water heater.
The DC fan type judging module specifically includes in one of the embodiments,：
Frequency values acquiring unit, the predeterminated frequency of the FG signal ends output of the motor chip for obtaining the DC fan
The frequency values of signal；
DC fan type judging unit, the FG signal ends for the motor chip according to the preset DC fan are defeated
The relation table of the frequency values of the predeterminated frequency signal gone out and the type of the DC fan, judges the type of the DC fan.
In the pre- of the FG signal ends output for obtaining the motor chip of the DC fan by the frequency values acquiring unit
If after the frequency values of frequency signal, the motor of the preset DC fan is inquired by the DC fan type judging unit
The frequency values of the predeterminated frequency signal of the FG signal ends output of chip are with the relation table of the type of the DC fan to judge
The type of DC fan is stated, so that it is guaranteed that the accurate judgement of the DC fan type.
The automatic identification equipment of the DC fan type further includes in one of the embodiments,：
Duration acquisition module exports predeterminated frequency signal for obtaining the FG signal ends of motor chip of the DC fan
Duration；
Predeterminated frequency signal stopping modular, the default frequency of FG signal ends output for the motor chip when the DC fan
When the duration of rate signal reaches preset first duration threshold value, the FG signal ends for controlling the motor chip of the DC fan stop
Export predeterminated frequency signal.
In the default frequency of FG signal ends output for obtaining the motor chip of the DC fan by the duration acquisition module
After the duration of rate signal, when the duration that the FG signal ends of the motor chip of the DC fan export predeterminated frequency signal reaches pre-
If the first duration threshold value after, the motor chip of the DC fan is controlled by the first predeterminated frequency signal stopping modular
FG signal ends stop output predeterminated frequency signal, can be by described straight so as to after the electric motor starting of the DC fan
The FG signal ends of the motor chip of flow fan export the rotating speed of the motor of the DC fan.
The preset first duration threshold value is 5s in one of the embodiments,.
The automatic identification equipment of the DC fan type further includes in one of the embodiments,：
Second predeterminated frequency signal stopping modular judges that the pwm signal termination of the DC fan receives PWM letters for working as
Number when, control the motor chip of the DC fan FG signal ends stop output predeterminated frequency signal.
When the pwm signal termination for judging the DC fan receives pwm signal, pass through the second predeterminated frequency signal
The FG signal ends that stopping modular controls the motor chip of the DC fan stop output predeterminated frequency signal, so as to described straight
After the electric motor starting of flow fan, the DC fan can be exported by the FG signal ends of the motor chip of the DC fan
The rotating speed of motor.
Description of the drawings
Fig. 1 is the flow chart of the automatic identifying method of the DC fan type in the embodiment of the present invention；
Fig. 2 is the flow chart of the step S11 in the embodiment of the present invention；
Fig. 3 is the structure diagram of the automatic identification equipment of the DC fan type in the embodiment of the present invention；
Fig. 4 is the structure diagram of the DC fan type judging module of the DC fan type in the embodiment of the present invention.
Wherein, 11, pwm signal judgment module；12, predeterminated frequency signal acquisition module；13, DC fan type judges mould
Block；131, frequency values acquiring unit；132, DC fan type judging unit.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
As shown in Figure 1, a kind of automatic identifying method of DC fan type of the preferred embodiment of the present invention, including step：
S11, DC fan power supply system after the power is turned on, judge the pwm signal end of the motor chip of the DC fan
Whether pwm signal is received；
S12, when judging that the pwm signal end of the DC fan does not receive pwm signal,
Obtain the predeterminated frequency signal of the FG signal ends output of the motor chip of the DC fan；
S13 sentences according to the frequency values of the predeterminated frequency signal of the FG signal ends of the motor chip of DC fan output
The type of the disconnected DC fan.
Wherein, the step S12 be specially when judging that the pwm signal end of the DC fan does not receive pwm signal,
The FG signal ends output predeterminated frequency signal of the motor chip of the DC fan is controlled, and in the motor core of the DC fan
After the FG signal ends output predeterminated frequency signal of piece, the default of the FG signal ends output of the motor chip of the DC fan is obtained
Frequency signal.
In embodiments of the present invention, the automatic identifying method of above-mentioned DC fan is powered in the power supply system of DC fan
Afterwards, when the pwm signal end of DC fan does not receive pwm signal, the FG signal ends for obtaining the motor chip of DC fan are defeated
The predeterminated frequency signal gone out, and the frequency values of the predeterminated frequency signal according to the output of the FG signal ends of the motor chip of DC fan
The type for judging DC fan, to avoid passing through manual operation toggle switch or carry out button selection come select wherein some
The DC fan of type, to reduce the hardware circuit cost of the master controller of combustion gas hydrophone and improve the reliable of gas heater
Property, thereby reduce the manufacturing cost and after service cost of gas heater.
Further, since alloing gas heater to be carried using different suppliers by the automatic identifying method of DC fan
The different types of DC fan supplied, therefore the higher price of DC fan will not be forced up commodity prices and caused due to single-vendor, from
And reduce the cost of gas heater.
As shown in Fig. 2, for the type of DC fan described in accurate judgement, the step S13 in the present embodiment is specifically included：
S131 obtains the frequency values of the predeterminated frequency signal of the FG signal ends output of the motor chip of the DC fan；
S132, according to the frequency of the predeterminated frequency signal of the FG signal ends of the motor chip of preset DC fan output
The relation table of rate value and the type of the DC fan, judges the type of the DC fan.
After obtaining the frequency values of predeterminated frequency signal of the FG signal ends of motor chip of DC fan output, lead to
Cross the motor chip for inquiring the preset DC fan FG signal ends output predeterminated frequency signal frequency values with it is described
The relation table of the type of DC fan judges the type of the DC fan, so that it is guaranteed that the standard of the DC fan type
Really judge.
In embodiments of the present invention, in order to after the electric motor starting of the DC fan, the DC fan can be passed through
Motor chip FG signal ends export the DC fan motor rotating speed, the DC fan type in the present embodiment
Automatic identifying method further include step：
Obtain the duration of the FG signal ends output predeterminated frequency signal of the motor chip of the DC fan；
When the duration that the FG signal ends of the motor chip of the DC fan export predeterminated frequency signal reaches preset the
When one duration threshold value, the FG signal ends for controlling the motor chip of the DC fan stop output predeterminated frequency signal.
The duration that predeterminated frequency signal is exported in the FG signal ends of the motor chip of the DC fan reaches preset the
After one duration threshold value, control the motor chip of the DC fan FG signal ends stop output predeterminated frequency signal, so as to
After the electric motor starting of the DC fan, the direct current can be exported by the FG signal ends of the motor chip of the DC fan
The rotating speed of the motor of wind turbine.
In embodiments of the present invention, the preset first duration threshold value can be arranged according to actual requirement, such as 4s, 5s and
6s etc..FG signal ends in order to ensure accurately obtaining the motor chip of the DC fan export the frequency of predeterminated frequency signal
Value, with the type of DC fan described in accurate judgement, the preset first duration threshold value in the present embodiment is 5s.
In embodiments of the present invention, in order to after the electric motor starting of the DC fan, the DC fan can be passed through
Motor chip FG signal ends export the DC fan motor rotating speed, the DC fan type in the present embodiment
Automatic identifying method further include step：
When judging that the pwm signal termination of the DC fan receives pwm signal, the motor core of the DC fan is controlled
The FG signal ends of piece stop output predeterminated frequency signal.
When the pwm signal termination for judging the DC fan receives pwm signal, the motor core of the DC fan is controlled
The FG signal ends of piece stop output predeterminated frequency signal, can be by described so as to after the electric motor starting of the DC fan
The FG signal ends of the motor chip of DC fan export the rotating speed of the motor of the DC fan.
In embodiments of the present invention, predeterminated frequency signal is exported in the FG signal ends of the motor chip of the DC fan
When the pwm signal termination that duration reaches preset first duration threshold value or the DC fan receives pwm signal, passes through and control institute
The FG signal ends for stating the motor chip of DC fan stop output predeterminated frequency signal, to be opened in the motor of the DC fan
After dynamic, the rotating speed of the motor of the DC fan can be exported by the FG signal ends of the motor chip of the DC fan.
In embodiments of the present invention, in order to after the type for identifying the DC fan, close the confession of the DC fan
The automatic identifying method of electric system, the DC fan type in the present embodiment further includes step：
After the type for judging the DC fan, the power supply system of the DC fan is closed.
In order to solve identical technical problem, the embodiment of the present invention also provides a kind of automatic identification dress of DC fan type
It sets.As shown in figure 3, it is a kind of structure diagram of the automatic identification equipment of DC fan type of the embodiment of the present invention, including：
Pwm signal judgment module 11, for DC fan power supply system after the power is turned on, judge the electricity of the DC fan
Whether the pwm signal end of movement piece receives pwm signal；
Predeterminated frequency signal acquisition module 12 judges that the pwm signal end of the DC fan does not receive PWM letters for working as
Number when, obtain the motor chip of the DC fan FG signal ends output predeterminated frequency signal；
DC fan type judging module 13 is used to be exported according to the FG signal ends of the motor chip of the DC fan
The frequency values of predeterminated frequency signal judge the type of the DC fan.
Wherein, the predeterminated frequency signal acquisition module 12 is specifically used for：When the pwm signal end for judging the DC fan
When not receiving pwm signal, the FG signal ends output predeterminated frequency signal of the motor chip of the DC fan is controlled, and in institute
After the FG signal ends output predeterminated frequency signal for stating the motor chip of DC fan, the motor chip of the DC fan is obtained
The predeterminated frequency signal of FG signal ends output.
In embodiments of the present invention, the automatic identification equipment of above-mentioned DC fan is powered in the power supply system of DC fan
Afterwards, judge whether the pwm signal end of the motor chip of DC fan receives pwm signal by pwm signal judgment module 11,
When judging that the pwm signal end of DC fan does not receive pwm signal, DC fan is obtained by predeterminated frequency signaling module 12
The predeterminated frequency signal of the FG signal ends output of motor chip, and by DC fan type judging module 13 according to DC fan
The frequency values of predeterminated frequency signal of FG signal ends output of motor chip judge the type of DC fan, to avoid passing through
Manual operation toggle switch carries out button selection to select the DC fan of wherein some type, to reduce combustion gas hydrophone
The hardware circuit cost of master controller and the reliability for improving gas heater, thereby reduce being manufactured into for gas heater
Sheet and after service cost.
Further, since alloing gas heater to be carried using different suppliers by the automatic identifying method of DC fan
The different types of DC fan supplied, therefore the higher price of DC fan will not be forced up commodity prices and caused due to single-vendor, from
And reduce the cost of gas heater.
As shown in figure 4, for the type of DC fan described in accurate judgement, the DC fan type in the present embodiment
Judgment module 13 specifically includes：
Frequency values acquiring unit 131, the FG signal ends output of the motor chip for obtaining the DC fan are preset
The frequency values of frequency signal；
DC fan type judging unit 132 is used for the FG signals of the motor chip according to the preset DC fan
The relation table for holding the frequency values of the predeterminated frequency signal of output and the type of the DC fan, judges the class of the DC fan
Type.
In the FG signal ends output for obtaining the motor chip of the DC fan by the frequency values acquiring unit 131
After the frequency values of predeterminated frequency signal, the preset DC fan is inquired by the DC fan type judging unit 132
The relation table of type of frequency values and the DC fan of predeterminated frequency signal of FG signal ends output of motor chip come
The type of the DC fan is judged, so that it is guaranteed that the accurate judgement of the DC fan type.
In embodiments of the present invention, in order to after the electric motor starting of the DC fan, the DC fan can be passed through
Motor chip FG signal ends export the DC fan motor rotating speed, the DC fan type in the present embodiment
Automatic identification equipment further include：
Duration acquisition module exports predeterminated frequency signal for obtaining the FG signal ends of motor chip of the DC fan
Duration；
Predeterminated frequency signal stopping modular, the default frequency of FG signal ends output for the motor chip when the DC fan
When the duration of rate signal reaches preset first duration threshold value, the FG signal ends for controlling the motor chip of the DC fan stop
Export predeterminated frequency signal.
In the default frequency of FG signal ends output for obtaining the motor chip of the DC fan by the duration acquisition module
After the duration of rate signal, when the duration that the FG signal ends of the motor chip of the DC fan export predeterminated frequency signal reaches pre-
If the first duration threshold value after, the FG of the motor chip of the DC fan is controlled by the predeterminated frequency signal stopping modular
Signal end stops output predeterminated frequency signal, after the electric motor starting of the DC fan, to pass through the direct current wind
The FG signal ends of the motor chip of machine export the rotating speed of the motor of the DC fan.
In embodiments of the present invention, the preset first duration threshold value can be arranged according to actual requirement, such as 4s, 5s and
6s etc..FG signal ends in order to ensure accurately obtaining the motor chip of the DC fan export the frequency of predeterminated frequency signal
Value, with the type of DC fan described in accurate judgement, the preset first duration threshold value in the present embodiment is 5s.
In embodiments of the present invention, in order to after the electric motor starting of the DC fan, the DC fan can be passed through
Motor chip FG signal ends export the DC fan motor rotating speed, the DC fan type in the present embodiment
Automatic identification equipment further include：
Second predeterminated frequency signal stopping modular judges that the pwm signal termination of the DC fan receives PWM letters for working as
Number when, control the motor chip of the DC fan FG signal ends stop output predeterminated frequency signal.
When the pwm signal termination for judging the DC fan receives pwm signal, pass through the second predeterminated frequency signal
The FG signal ends that stopping modular controls the motor chip of the DC fan stop output predeterminated frequency signal, so as to described straight
After the electric motor starting of flow fan, the DC fan can be exported by the FG signal ends of the motor chip of the DC fan
The rotating speed of motor.
In embodiments of the present invention, predeterminated frequency signal is exported in the FG signal ends of the motor chip of the DC fan
When the pwm signal termination that duration reaches preset first duration threshold value or the DC fan receives pwm signal, pass through described the
One predeterminated frequency signal stopping modular or the second predeterminated frequency signal stopping modular control the motor core of the DC fan
The FG signal ends of piece stop output predeterminated frequency signal, can be by described so as to after the electric motor starting of the DC fan
The FG signal ends of the motor chip of DC fan export the rotating speed of the motor of the DC fan.
In embodiments of the present invention, in order to after the type for identifying the DC fan, close the confession of the DC fan
The automatic identification equipment of electric system, the DC fan type further includes：
Power supply system closedown module, for after the type for judging the DC fan, closing the confession of the DC fan
Electric system.
To sum up, the present invention provides a kind of automatic identifying method and device of DC fan, the automatic identification side of DC fan
Method DC fan power supply system after the power is turned on, when the pwm signal end of DC fan does not receive pwm signal, obtain direct current
The predeterminated frequency signal of the FG signal ends output of the motor chip of wind turbine, and according to the FG signal ends of the motor chip of DC fan
The frequency values of the predeterminated frequency signal of output judge the type of DC fan, to avoid passing through manual operation toggle switch or into
The selection of row button selects the DC fan of wherein some type, with reduce combustion gas hydrophone master controller hardware circuit at
The reliability of this and raising gas heater, thereby reduces the manufacturing cost and after service cost of gas heater.
Further, since alloing gas heater to use the difference that provides of different suppliers by the automatic identifying method of DC fan
The DC fan of type, therefore the higher price of DC fan will not be forced up commodity prices and caused due to single-vendor, to reduce
The cost of gas heater.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these improve and replace
Also it should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of automatic identifying method of DC fan type, which is characterized in that including step：
DC fan power supply system after the power is turned on, judge whether the pwm signal end of the motor chip of the DC fan receives
To pwm signal；
When judging that the pwm signal end of the DC fan does not receive pwm signal, the motor chip of the DC fan is obtained
FG signal ends output predeterminated frequency signal；
According to the frequency values of the predeterminated frequency signal of the FG signal ends of the motor chip of DC fan output, judge described straight
The type of flow fan；
The automatic identifying method of the DC fan type further includes step：
Obtain the duration of the FG signal ends output predeterminated frequency signal of the motor chip of the DC fan；
When the duration that the FG signal ends of the motor chip of the DC fan export predeterminated frequency signal reaches preset first
When long threshold value, the FG signal ends for controlling the motor chip of the DC fan stop output predeterminated frequency signal.
2. the automatic identifying method of DC fan type as described in claim 1, which is characterized in that described according to the direct current
The frequency values of the predeterminated frequency signal of the FG signal ends output of the motor chip of wind turbine, judge that the type of the DC fan is specific
Including：
Obtain the frequency values of the predeterminated frequency signal of the FG signal ends output of the motor chip of the DC fan；
According to the frequency values of the predeterminated frequency signal of the FG signal ends of the motor chip of preset DC fan output and institute
The relation table for stating the type of DC fan judges the type of the DC fan.
3. the automatic identifying method of DC fan type as described in claim 1, which is characterized in that when described preset first
Long threshold value is 5s.
4. the automatic identifying method of DC fan type as claimed in claim 1 or 2, which is characterized in that further include step：
When judging that the pwm signal termination of the DC fan receives pwm signal, the motor chip of the DC fan is controlled
FG signal ends stop output predeterminated frequency signal.
5. a kind of automatic identification equipment of DC fan type, which is characterized in that including：
Pwm signal judgment module (11), for DC fan power supply system after the power is turned on, judge the motor of the DC fan
Whether the pwm signal end of chip receives pwm signal；
Predeterminated frequency signal acquisition module (12) judges that the pwm signal end of the DC fan does not receive pwm signal for working as
When, obtain the predeterminated frequency signal of the FG signal ends output of the motor chip of the DC fan；
DC fan type judging module (13) is used to be exported according to the FG signal ends of the motor chip of the DC fan pre-
If the frequency values of frequency signal judge the type of the DC fan；
The automatic identification equipment of the DC fan type further includes：
Duration acquisition module, for obtain the DC fan motor chip FG signal ends export predeterminated frequency signal when
It is long；
First predeterminated frequency signal stopping modular, the default frequency of FG signal ends output for the motor chip when the DC fan
When the duration of rate signal reaches preset first duration threshold value, the FG signal ends for controlling the motor chip of the DC fan stop
Export predeterminated frequency signal.
6. the automatic identification equipment of DC fan type as claimed in claim 5, which is characterized in that the DC fan type
Judgment module (13) specifically includes：
Frequency values acquiring unit (131), the default frequency of the FG signal ends output of the motor chip for obtaining the DC fan
The frequency values of rate signal；
DC fan type judging unit (132) is used for the FG signal ends of the motor chip according to the preset DC fan
The relation table of the frequency values of the predeterminated frequency signal of output and the type of the DC fan, judges the class of the DC fan
Type.
7. the automatic identification equipment of DC fan type as claimed in claim 5, which is characterized in that when described preset first
Long threshold value is 5s.
8. such as the automatic identification equipment of DC fan type described in claim 5 or 6, which is characterized in that the DC fan
The automatic identification equipment of type further includes：
Second predeterminated frequency signal stopping modular judges that the pwm signal termination of the DC fan receives pwm signal for working as
When, the FG signal ends for controlling the motor chip of the DC fan stop output predeterminated frequency signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710383262.4A CN107035713B (en) | 2017-05-25 | 2017-05-25 | A kind of automatic identifying method and device of DC fan type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710383262.4A CN107035713B (en) | 2017-05-25 | 2017-05-25 | A kind of automatic identifying method and device of DC fan type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107035713A CN107035713A (en) | 2017-08-11 |
| CN107035713B true CN107035713B (en) | 2018-07-31 |
Family
ID=59540755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710383262.4A Active CN107035713B (en) | 2017-05-25 | 2017-05-25 | A kind of automatic identifying method and device of DC fan type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107035713B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189230B (en) * | 2018-11-15 | 2023-02-07 | 青岛经济技术开发区海尔热水器有限公司 | Automatic control method of gas water heater and gas water heater |
| CN112727740B (en) * | 2019-10-28 | 2022-08-09 | 上海海立电器有限公司 | DC control method and DC control device |
| CN111005892B (en) * | 2019-12-18 | 2021-06-18 | 迈普通信技术股份有限公司 | Adaptive fan circuit, system, electronic equipment and fan detection method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278321A (en) * | 2010-06-11 | 2011-12-14 | 英业达股份有限公司 | Fan rotating speed control method |
| CN104807131A (en) * | 2014-01-23 | 2015-07-29 | 珠海格力电器股份有限公司 | Blower control method and system for indoor unit of air conditioner |
| CN105224047A (en) * | 2014-06-09 | 2016-01-06 | 华为技术有限公司 | Fan, fan governor, electronic equipment and fan recognition methods |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7791301B2 (en) * | 2008-01-02 | 2010-09-07 | Nuvoton Technology Corporation | Apparatus and method for fan auto-detection |
| CN103511306A (en) * | 2012-06-18 | 2014-01-15 | 光宝电子(广州)有限公司 | Fan model detection method, fan control method and control circuit and device |
-
2017
- 2017-05-25 CN CN201710383262.4A patent/CN107035713B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278321A (en) * | 2010-06-11 | 2011-12-14 | 英业达股份有限公司 | Fan rotating speed control method |
| CN104807131A (en) * | 2014-01-23 | 2015-07-29 | 珠海格力电器股份有限公司 | Blower control method and system for indoor unit of air conditioner |
| CN105224047A (en) * | 2014-06-09 | 2016-01-06 | 华为技术有限公司 | Fan, fan governor, electronic equipment and fan recognition methods |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107035713A (en) | 2017-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107035713B (en) | A kind of automatic identifying method and device of DC fan type | |
| CN207399057U (en) | A kind of brushless motor controller applied to soy bean milk making machine | |
| CN104807131A (en) | Blower control method and system for indoor unit of air conditioner | |
| CN105992419A (en) | Electromagnetic heating system, and zero-crossing switched-on detection method and device of switch tube | |
| CN204458457U (en) | The abnormal signalling device of a kind of fan | |
| CN109286349A (en) | Motor control method, motor control circuit and food processor | |
| CN106288159B (en) | Control method, control device and the air conditioner of air conditioner | |
| CN104678299A (en) | Fully automatic automobile motor delivery test measurement and control system | |
| CN204405803U (en) | Full automatic car Motor Production Test test TT&C system | |
| CN204886560U (en) | A intelligent economize on electricity system for cold rolling main electric machine cooling fan | |
| CN109268279A (en) | A kind of brushless centrifugal water pump | |
| US20120065806A1 (en) | Method for measuring energy usage in an appliance | |
| CN102830348A (en) | Bounce testing device for single-coil magnetic-latching relay and test method of bounce testing device | |
| CN202331065U (en) | Device for controlling rotating speed of churner of churning machine | |
| CN106487165A (en) | Current sensor of motor controller current coefficient calibration system | |
| CN207117519U (en) | Food processor motor driving circuit and food processor comprising same | |
| CN110118375A (en) | A kind of cooperative control method of electric heating device and circulating fan | |
| CN102680143A (en) | Temperature sensing device for air conditioner commodity inspection | |
| CN206807340U (en) | A kind of fan and there is its ventilation unit | |
| CN105450100B (en) | Brushless motor driving circuit and control method thereof | |
| CN109931288B (en) | Stepless speed regulation controller for fan | |
| CN205015458U (en) | PG motor detection device | |
| CN209017861U (en) | A kind of dryer | |
| CN209590603U (en) | A kind of pig's feed feeds controller automatically | |
| CN209180050U (en) | A kind of brushless centrifugal water pump |
Legal Events
| 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |