CN207879647U - A kind of permanent air quantity blower fan applied to wall-hung boiler - Google Patents
A kind of permanent air quantity blower fan applied to wall-hung boiler Download PDFInfo
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- CN207879647U CN207879647U CN201721216698.6U CN201721216698U CN207879647U CN 207879647 U CN207879647 U CN 207879647U CN 201721216698 U CN201721216698 U CN 201721216698U CN 207879647 U CN207879647 U CN 207879647U
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- motor
- blower fan
- wall
- hung boiler
- air quantity
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Abstract
The utility model discloses a kind of permanent air quantity blower fan applied to wall-hung boiler, including wind turbine and its controller, the controller includes motor-drive circuit, sensor assembly and processor module；The power input of the motor-drive circuit connects external power supply, and the signal output end of signal input part and the processor module couples, and output end connects blower motor terminals；The sensor assembly includes current sensor and speed probe, and the current sensor is used for detection blower fan motor θ shaft currents, and the speed probe is used for detection blower fan motor speed；The processor module is used to control the start and stop of the blower motor, and the rotating speed of blower motor is adjusted according to the signal that the current sensor and speed probe detect.The utility model perseverance air quantity blower fan can make wall-hung boiler carry out permanent wind amount discharge, improve the service efficiency of wall-hung boiler, improve the safety of wall-hung boiler.
Description
Technical field
The utility model is related to Fan Equipment fields, are specifically related to a kind of permanent air quantity blower fan applied to wall-hung boiler.
Background technology
In modern society, environmental protection is more and more important for our life, and the low temperature in winter forces everybody use to set
It is standby to warm oneself, it is energy conservation and environmental protection using the advantages of wall-hung boiler heating, reduces the pipe loss heat of collective's heating.However
In closed environment, the life security for the exhaust gas entail dangers to people that wall-hung boiler burning generates, so must be forced by wind turbine
Air draft.Current wind turbine can only play the role of air draft, and pipeline length and windage can influence use and the exhaust gas of wall-hung boiler
Discharge.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of permanent air quantity blower fan applied to wall-hung boiler, makes wind turbine
Realize that permanent Boiler pressure control allows exhaust gas excessively not influence the safety of user not by external influence in wall-hung boiler.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of permanent air quantity blower fan applied to wall-hung boiler, including wind turbine and its controller, the controller include that motor drives
Dynamic circuit, sensor assembly and processor module；The power input of the motor-drive circuit connects external power supply, and signal is defeated
Enter end and the signal output end of the processor module couples, output end connects blower motor terminals；The sensor assembly
Including current sensor and speed probe, the current sensor is used for detection blower fan motor θ shaft currents, the revolution speed sensing
Device is used for detection blower fan motor speed, the output end of the current sensor and speed probe respectively with the letter of processor module
The coupling of number input terminal；The processor module is used to control the start and stop of the blower motor, and according to the current sensor and
The rotating speed of the signal adjustment blower motor of speed probe detection.
Further, the processor module is configured as controlling fan delivery by following calculation formula：
Q=f (I, n) * Kx
Wherein, Q is fan delivery, and I is blower motor θ shaft currents, and n is the rotating speed of blower motor, and f (I, n) is to adjust letter
Number, is obtained, Kx is air quantity adjustment factor, and different wind turbines corresponds to different air quantity adjustment factors by specific experiment Data induction.
Further, the motor-drive circuit includes the filtering protection location being sequentially connected electrically, filter unit, rectification list
Member, smoothing reactor, filter capacitor and inversion unit；The filtering protection location connects three-phase electrical input, the inversion list
The blower motor of member connection output end.
Further, the blower motor is brshless DC motor.
The permanent air quantity blower fan applied to wall-hung boiler of the utility model can make wall-hung boiler carry out permanent wind amount discharge, improve
The service efficiency of wall-hung boiler, improves the safety of wall-hung boiler.Reach suitable air quantity by reasonably adjusting rotating speed, protects
The normal operation of ventilation has been demonstrate,proved, and has played energy-conserving action.
Description of the drawings
Fig. 1 is the function module connection relationship diagram of controller of fan in the utility model.
Fig. 2 is the structural schematic diagram of the permanent air quantity blower fan embodiment applied to wall-hung boiler of the utility model.
Specific implementation mode
For a further understanding of the utility model, the utility model preferred embodiment is retouched with reference to embodiment
It states, but it is to be understood that these descriptions are only the feature and advantage of further explanation the utility model, rather than to this practicality
The limitation of novel claim.
The utility model provides a kind of permanent air quantity blower fan applied to wall-hung boiler, including wind turbine and its controller.Such as Fig. 1
Shown, controller includes motor-drive circuit, current sensor and speed probe and processor module.
Wherein, the power input of motor-drive circuit connects external power supply, the letter of signal input part and processor module
The coupling of number output end, output end connect blower motor terminals.Current sensor is used for detection blower fan motor θ shaft currents, rotating speed
Sensor is used for detection blower fan motor speed, the output end of current sensor and speed probe respectively with the letter of processor module
The coupling of number input terminal.Processor module is used to control the start and stop of blower motor, and is examined according to current sensor and speed probe
The rotating speed of the signal adjustment blower motor of survey.
Specifically, processor module can be microcontroller or other programming devices, it is configured as by calculating public affairs as follows
Formula controls fan delivery：
Q=f (I, n) * Kx
Wherein, Q is fan delivery, and I is blower motor θ shaft currents, and n is the rotating speed of blower motor, and f (I, n) is to adjust letter
Number, is obtained by the data of test of many times after fitting, and Kx is air quantity adjustment factor, and different wind turbines corresponds to different air quantity and adjusts
Coefficient.
Its principle is：When wind turbine is by pipeline length, the internal influences such as foreign matter or external environment such as windage, motor
θ shaft currents I can occur to change accordingly.At this point, working as known air output setting value Q, current of electric I and air quantity adjustment factor Kx
When, corresponding rotation speed of fan n can be obtained by computation of table lookup, and then compare current rotating speed, motor is adjusted, is allowed to reach
To the corresponding rotating speed of calculated permanent wind amount, to ensure that air output Q is the steady state value of setting.
Preferably, above-mentioned motor-drive circuit includes the filtering protection location being sequentially connected electrically, filter unit, rectification list
Member, smoothing reactor, filter capacitor and inversion unit.Wherein filtering protection location connects three-phase electrical input, and inversion unit connects
Connect the blower motor of output end.Blower motor is specially brshless DC motor.Above-mentioned driving circuit is more conventional, does not make to have herein
Body explanation.
It is illustrated in figure 2 the structural schematic diagram of the permanent air quantity blower fan embodiment applied to wall-hung boiler of the utility model.Its
Including fan main body 1 and controller of fan 2.Fan main body 1 has air outlet 11.The perseverance air quantity blower fan can be by reasonable
Adjusting rotating speed reach suitable air quantity, ensure that the normal operation of ventilation, and play energy-conserving action.
Above description is merely a prefered embodiment of the utility model, on the scope of protection of the utility model is not limited in
Embodiment is stated, every technical solution for belonging to the utility model principle belongs to the scope of protection of the utility model.For this
For the technical staff in field, several improvements and modifications carried out under the premise of not departing from the principles of the present invention, these
Improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (3)
1. a kind of permanent air quantity blower fan applied to wall-hung boiler, including wind turbine and its controller, which is characterized in that the controller packet
Include motor-drive circuit, sensor assembly and processor module；The power input of the motor-drive circuit connects external electrical
The signal output end in source, signal input part and the processor module couples, and output end connects blower motor terminals；The biography
Sensor module includes current sensor and speed probe, and the current sensor is used for detection blower fan motor θ shaft currents, described
Speed probe is used for detection blower fan motor speed, the output end of the current sensor and speed probe respectively with processor
The signal input part of module couples；The processor module is used to control the start and stop of the blower motor, and according to the electric current
The rotating speed of sensor and the signal adjustment blower motor of speed probe detection.
2. being applied to the permanent air quantity blower fan of wall-hung boiler as described in claim 1, which is characterized in that the motor-drive circuit packet
Include the filtering protection location being sequentially connected electrically, filter unit, rectification unit, smoothing reactor, filter capacitor and inversion unit；Institute
State filtering protection location connection three-phase electrical input, the blower motor of the inversion unit connection output end.
3. being applied to the permanent air quantity blower fan of wall-hung boiler as claimed in claim 1 or 2, which is characterized in that the blower motor is
Brshless DC motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721216698.6U CN207879647U (en) | 2017-09-21 | 2017-09-21 | A kind of permanent air quantity blower fan applied to wall-hung boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721216698.6U CN207879647U (en) | 2017-09-21 | 2017-09-21 | A kind of permanent air quantity blower fan applied to wall-hung boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207879647U true CN207879647U (en) | 2018-09-18 |
Family
ID=63500184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721216698.6U Active CN207879647U (en) | 2017-09-21 | 2017-09-21 | A kind of permanent air quantity blower fan applied to wall-hung boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207879647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525306A (en) * | 2019-09-18 | 2021-03-19 | 宁波方太厨具有限公司 | Indoor range hood air volume calculation and correction method and system in centralized smoke exhaust system of building |
-
2017
- 2017-09-21 CN CN201721216698.6U patent/CN207879647U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525306A (en) * | 2019-09-18 | 2021-03-19 | 宁波方太厨具有限公司 | Indoor range hood air volume calculation and correction method and system in centralized smoke exhaust system of building |
| CN112525306B (en) * | 2019-09-18 | 2022-04-19 | 宁波方太厨具有限公司 | Indoor range hood air volume calculation and correction method and system in centralized smoke exhaust system of building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230111 Address after: 317515 Central Industrial Site, Chengnan Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Wenling Senda Electric Appliance Factory Address before: 317515 Central Industrial Zone of Chengnan Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG MINGZHEN ELECTRONICS CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230724 Address after: 317515 Central Industrial Zone of Chengnan Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: ZHEJIANG MINGZHEN ELECTRONICS CO.,LTD. Address before: 317515 Central Industrial Site, Chengnan Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: Wenling Senda Electric Appliance Factory |