CN201904751U - Brushless fan controller with position sensor - Google Patents
Brushless fan controller with position sensor Download PDFInfo
- Publication number
- CN201904751U CN201904751U CN2010207008548U CN201020700854U CN201904751U CN 201904751 U CN201904751 U CN 201904751U CN 2010207008548 U CN2010207008548 U CN 2010207008548U CN 201020700854 U CN201020700854 U CN 201020700854U CN 201904751 U CN201904751 U CN 201904751U
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- Prior art keywords
- circuit
- fan
- controller
- brushless
- singlechip microprocessor
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- 238000001514 detection method Methods 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 1
- 230000033228 biological regulation Effects 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model relates to a brushless fan controller with a position sensor, wherein a singlechip microprocessor is connected with a power MOS (Metal Oxide Semiconductor) tube group via a drive circuit; external DC signals reach the fan after sequentially passing through an LC filter circuit, a protection circuit for preventing reverse connection, a filter capacitive circuit and the power MOS tube group; an Hall position detection circuit is connected with the singlechip microprocessor; and one end of an Hall element is connected with the Hall position detection circuit, and the other end of the Hall element inducts the magnetic pole position of a fan stator. In the brushless fan controller, a brushless DC motor detects the position of a rotor via the Hall element, the microprocessor processes information transmitted by the Hall element for controlling the phase commutation of the fan, the controller can generate pulse width signals for controlling the fan to rotate, and the algorithm can be controlled in a real-time manner in the controller; in addition, the brushless motor has low consumption, wide speed adjustment range, and high efficiency.
Description
Technical field
The utility model relates to controller of fan, especially the brushless controller of fan of position sensor.
Background technology
The motor of air conditioning for automobiles blower fan generally adopts brush motor at present, brush motor commutates with carbon brush, slip ring construction machine, fan speed regulation resistance step-down third gear speed governing or blower fan series parallel control, speed regulation need switch with a plurality of relays realizes that this mode of speed regulation has following deficiency:
1, carbon brush life-span that causes motor that is easy to wear and tear reduces
2, the relay mechanical contact switches, and the carbon brush friction produces electric spark, and automotive system is produced radio interference;
3, the relay mechanical contact switches, and the life-span is short;
4, resistance step-down can produce heat on resistance, can reduce system's refrigerating capacity, wastes energy;
5, during the third gear series parallel control, each fan delivery might be inequality;
6, need to realize electric machine speed regulation that non-ferrous metal feed consumptions such as copper material are many, the cost height with a lot of relays;
7, third gear resistance decompression speed is many with wire rod, the cost height;
8, resistance decompression speed, each blower fan needs a high-power third gear (or fourth gear) speed adjusting resistance, increases the blower fan cost;
9, the fan starting electric current is big, can not realize the blower fan soft start;
10, be unfavorable for regulating automatically air quantity.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of brushless controller of fan of position sensor, makes air-conditioning can adopt brushless blower fan, to overcome the defective that prior art has the brush blower fan to bring.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of brushless controller of fan of position sensor, it is characterized in that: described controller separates with blower fan, control system in the described controller comprises: singlechip microprocessor, the LC filter circuit, anti-reverse protective circuit, filter-capacitor circuit, the power MOS pipe group, the hall position testing circuit, described singlechip microprocessor is connected with the power MOS pipe group by drive circuit, and outside dc signal is successively by described LC filter circuit, anti-reverse protective circuit, filter-capacitor circuit, the power MOS pipe group is passed to blower fan; Described hall position testing circuit is connected with singlechip microprocessor, and Hall element one end is connected with the hall position testing circuit, other end induction blower fan magnetic pole of the stator position.Brshless DC motor is by the position of Hall element detection rotor, and controller is handled information that Hall element the transmits phase commutation with regard to the may command blower fan then, and controller can also produce pulse width signal and be used for controlling rotation speed of fan.Say that from control principle brshless DC motor is closed-loop control.The motor that brush arranged contacts maintenance by brush and turns to rotor, it is open loop.Can in its controller, realize real-time control algolithm, and the brushless loss of electric machine is low, adjustable-speed wide ranges, more efficient.
As improvement, described control system also comprises the overtemperature testing circuit, and the blower fan temperature signal is passed to singlechip microprocessor by the overtemperature testing circuit.
As improvement, described control system also comprises voltage detecting circuit, and the blower voltage signal is passed to singlechip microprocessor by voltage detecting circuit.
As improvement, described control system also comprises current detection circuit, and the power MOS pipe output current signal is passed to singlechip microprocessor by current detection circuit.
As improvement, be provided with source of stable pressure in the described controller, described source of stable pressure is connected with singlechip microprocessor respectively at described drive circuit.
The beneficial effect that the utility model is compared with prior art brought is:
1, brushless electric machine feeds back to this controller to rotor-position by Hall element, and controller can be known the correct time of motor phase commutation;
2, all advantages that have traditional direct current machine have been cancelled carbon brush, slip ring structure simultaneously again;
3, torque characteristics excellence, in, the low speed torque performance is good, detent torque is big, starting current is little;
4, stepless speed regulation, speed adjustable range is wide, and overload capacity is strong;
5, volume little, in light weight, exert oneself big;
6, can realize soft starter for motor, soft stop;
7, efficient height, motor itself do not have excitation loss and carbon brush loss;
8, reliability height, good stability, adaptability is strong, and maintenance is simple;
9, the anti-vibrations of jolting, noise is low, shakes for a short time, and running is level and smooth, and the life-span is long;
10, do not have radio interference, do not produce spark;
11, can realize the total line traffic control of a plurality of motors.
Description of drawings
Fig. 1 is the utility model system electrical connection layout.
Embodiment
The utility model is described in further detail below in conjunction with Figure of description.
As shown in Figure 1, a kind of brushless controller of fan of position sensor, this controller are exclusively used in Control of Automobile on-board air conditioner brush DC blower fan, and described controller separates with blower fan, is convenient to maintain and replace.Control system in the described controller comprises: singlechip microprocessor, LC filter circuit, anti-reverse protective circuit, filter-capacitor circuit, power MOS pipe group, overtemperature testing circuit, voltage detecting circuit, current detection circuit, source of stable pressure, hall position testing circuit.Described power MOS pipe group has six high-power FETs to constitute, and volume is little, the efficient height.Described singlechip microprocessor is connected with power MOS pipe by drive circuit, and outside dc signal is passed to blower fan by described LC filter circuit, anti-reverse protective circuit, filter-capacitor circuit, power MOS pipe group successively; Described hall position testing circuit is connected with singlechip microprocessor, and Hall element one end is connected with the hall position testing circuit, other end induction blower fan magnetic pole of the stator position; The blower fan temperature signal is passed to singlechip microprocessor by the overtemperature testing circuit; The blower voltage signal is passed to singlechip microprocessor by voltage detecting circuit; The power MOS pipe output current signal is passed to singlechip microprocessor by current detection circuit; Source of stable pressure is connected with singlechip microprocessor respectively at described drive circuit, for it provides burning voltage.
Controller will be imported DC16V～32V power supply through the LC filter circuit; anti-reverse protective circuit; at the capacity filter-capacitor circuit to the three phase full bridge power field effect pipe; voltage-stabilized power supply circuit provides 5V and 15V stabilized voltage power supply to chip microprocessor and drive circuit; Hall element and testing circuit detect blower fan magnetic pole of the stator position and position signalling are imported chip microprocessor; chip microprocessor according to control input signals output motor three-phase commutation signal to drive circuit; drive circuit drives the three phase full bridge power field effect pipe; drive the blower fan entry into service; chip microprocessor detects the controller temperature simultaneously; supply voltage; revolution electric current; when exceeding the protection value, these parameters stop the motor operation; chip microprocessor adopts pulse-width modulation (PWM) mode to regulate output voltage and realizes blower fan stepless speed regulation according to the speed governing input signal.
Claims (5)
1. the brushless controller of fan of a position sensor, it is characterized in that: described controller separates with blower fan, control system in the described controller comprises: singlechip microprocessor, LC filter circuit, anti-reverse protective circuit, filter-capacitor circuit, power MOS pipe group, hall position testing circuit, described singlechip microprocessor is connected with the power MOS pipe group by drive circuit, and outside dc signal is passed to blower fan by described LC filter circuit, anti-reverse protective circuit, filter-capacitor circuit, power MOS pipe group successively; Described hall position testing circuit is connected with singlechip microprocessor, and Hall element one end is connected with the hall position testing circuit, other end induction blower fan magnetic pole of the stator position.
2. the brushless controller of fan of a kind of position sensor according to claim 1, it is characterized in that: described control system also comprises the overtemperature testing circuit, the blower fan temperature signal is passed to singlechip microprocessor by the overtemperature testing circuit.
3. the brushless controller of fan of a kind of position sensor according to claim 1, it is characterized in that: described control system also comprises voltage detecting circuit, the blower voltage signal is passed to singlechip microprocessor by voltage detecting circuit.
4. the brushless controller of fan of a kind of position sensor according to claim 1, it is characterized in that: described control system also comprises current detection circuit, the power MOS pipe output current signal is passed to singlechip microprocessor by current detection circuit.
5. the brushless controller of fan of a kind of position sensor according to claim 1, it is characterized in that: be provided with source of stable pressure in the described controller, described source of stable pressure is connected with singlechip microprocessor respectively at described drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010207008548U CN201904751U (en) | 2010-12-28 | 2010-12-28 | Brushless fan controller with position sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010207008548U CN201904751U (en) | 2010-12-28 | 2010-12-28 | Brushless fan controller with position sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201904751U true CN201904751U (en) | 2011-07-20 |
Family
ID=44275343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010207008548U Expired - Fee Related CN201904751U (en) | 2010-12-28 | 2010-12-28 | Brushless fan controller with position sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201904751U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406211A (en) * | 2014-11-27 | 2015-03-11 | 苏州市职业大学 | Device capable of reducing stop abnormal sound of range hood |
| CN104467564A (en) * | 2014-12-31 | 2015-03-25 | 哈尔滨工业大学 | Redundant brushless direct current motor control system |
| CN104806531A (en) * | 2015-03-17 | 2015-07-29 | 江阴市富仁高科股份有限公司 | Energy-saving oil-immersed pump and energy-saving control method thereof |
| CN105577044A (en) * | 2015-12-21 | 2016-05-11 | 中国电子科技集团公司第十一研究所 | Rotary Stirling refrigerator drive controller |
| CN105571224A (en) * | 2015-12-21 | 2016-05-11 | 中国电子科技集团公司第十一研究所 | Universal type rotary Stirling cryocooler drive controller |
| CN105571227A (en) * | 2015-12-21 | 2016-05-11 | 中国电子科技集团公司第十一研究所 | Drive maser control circuit of rotary Stirling cryocooler |
| CN106403256A (en) * | 2016-09-05 | 2017-02-15 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
-
2010
- 2010-12-28 CN CN2010207008548U patent/CN201904751U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406211A (en) * | 2014-11-27 | 2015-03-11 | 苏州市职业大学 | Device capable of reducing stop abnormal sound of range hood |
| CN104467564A (en) * | 2014-12-31 | 2015-03-25 | 哈尔滨工业大学 | Redundant brushless direct current motor control system |
| CN104806531A (en) * | 2015-03-17 | 2015-07-29 | 江阴市富仁高科股份有限公司 | Energy-saving oil-immersed pump and energy-saving control method thereof |
| CN105577044A (en) * | 2015-12-21 | 2016-05-11 | 中国电子科技集团公司第十一研究所 | Rotary Stirling refrigerator drive controller |
| CN105571224A (en) * | 2015-12-21 | 2016-05-11 | 中国电子科技集团公司第十一研究所 | Universal type rotary Stirling cryocooler drive controller |
| CN105571227A (en) * | 2015-12-21 | 2016-05-11 | 中国电子科技集团公司第十一研究所 | Drive maser control circuit of rotary Stirling cryocooler |
| CN105571224B (en) * | 2015-12-21 | 2018-02-16 | 中国电子科技集团公司第十一研究所 | A kind of universal rotary type sterlin refrigerator drive control device |
| CN105571227B (en) * | 2015-12-21 | 2018-02-16 | 中国电子科技集团公司第十一研究所 | A kind of rotary sterlin refrigerator driving governor circuit |
| CN105577044B (en) * | 2015-12-21 | 2018-06-29 | 中国电子科技集团公司第十一研究所 | A kind of rotary sterlin refrigerator drive control device |
| CN106403256A (en) * | 2016-09-05 | 2017-02-15 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160428 Address after: Huadu District, Guangdong city of Guangzhou province 510880 Flower Town Pingshan Private Industrial Park No. 7 Patentee after: Guangzhou Jingyi Automobile Air Conditioner Co., Ltd. Address before: Huadu District, Guangdong city of Guangzhou province 510880 Flower Town Pingshan Industrial Zone No. 5 Patentee before: Guangzhou Jingyi Automobile Air Conditioner Co., Ltd. Patentee before: Guangzhou Jingyi Industry Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20181228 |