CN205315324U - Fan - Google Patents
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- CN205315324U CN205315324U CN201520946351.1U CN201520946351U CN205315324U CN 205315324 U CN205315324 U CN 205315324U CN 201520946351 U CN201520946351 U CN 201520946351U CN 205315324 U CN205315324 U CN 205315324U
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Abstract
The utility model discloses a fan relates to the electrical apparatus field. This fan includes the fan head, still includes: angle sensor for acquire the current angle information of fan head, controlling means for the receipt comes from the current angle information of angle sensor's fan head, if the current angle information of confirming the fan head with expect that angle information is inequality, then be the current angle setting of fan head the rotatory limit angle of fan head. Owing to do not need to set for by hand this rotation limit angle, fan angle of oscillation is very convenient in the adjustment, when fan runs into the barrier, can be rotatory limit angle with current angle setting, no longer continues to shake the head, consequently, runs into the barrier in the time of can also avoiding electric fan to shake the head to stop, leads to the fact the circumstances of motor damage.
Description
Technical field
The utility model relates to appliance field, relates in particular to a kind of fan.
Background technology
Electric fan oscillating mode can be divided into mechanical type and electrodynamic type. Mechanical type is that main motor (drivesThe motor of flabellum rotation) drive electric fan head waggle together by certain mechanism. Electrodynamic typeTo use again in addition a minitype motor driving electric fan head waggle.
The panning angle that these two kinds of modes can realize is all fixed. If quilt in the process of shaking the headBarrier blocks, and electric fan still can continue to shake the head, and when serious, will damage mechanism or motor.
The maximum of controlling electric fan head by key-press input panning angle value in prior art is shakenBrilliance degree, but the method needs user first panning angle to be estimated, then inputs angle value,Finally make panning angle aim at required blowing scope to fan adjustment, panning angle adjustment alsoInconvenient.
Utility model content
A technical problem to be solved in the utility model is to provide a kind of convenient fan of adjusting and shakesThe scheme of brilliance degree.
According to the utility model on the one hand, provide a kind of fan, comprise fan head, also comprise:For obtaining current angle information angular transducer and the control device of fan head; Wherein, controlDevice processed receives the current angle information from the fan head of angular transducer, if determine windThe current angle information of fan head is not identical with expected angle information, current by fan headAngle is set to the rotation extreme angles of fan head.
Further, if control device is used for determining current angle information and the phase of fan headHope not identical and duration of angle information be greater than threshold value, by the current angle of fan headBe set to the rotation extreme angles of fan head.
Further, the current angle information of fan head comprises the current angle of fan head;Angular transducer is for obtaining the current angle of fan head; Control device comprises: comparing unit,Whether the current angle for fan head relatively identical with expected angle, if not identical andDuration is greater than threshold value, sends the current angle of fan head; Extreme angles setting unit,For receiving the current angle from the fan head of comparing unit, by the pole of rotation of fan headLimit angle is set to the current angle of fan head.
Further, control device also comprises: expected angle acquiring unit, and for according to fanThe rotational time of head and initial angle are determined the expected angle of fan head.
Further, the current angle information of fan head comprise fan head when anterior angle speedDegree; Angular transducer is for obtaining the current angular speed of fan head; Control device comprises: ratioCompared with unit, whether identical with expectation angular speed for the current angular speed of comparison fan head, asThe really not identical and duration is greater than threshold value, sends the current angle of fan head; The limitAngle setting unit, for receiving the current angle from the fan head of comparing unit, by windThe rotation extreme angles of fan head is set to the current angle of fan head.
Further, comparing unit carries out integration acquisition fan to the current angular speed of fan headThe current angle of head.
Further, control device also comprises: expect angular speed memory cell, for storing windThe expectation angular speed of fan head; Comparing unit obtains fan head from expected angle memory cellExpect angular speed.
Further, control device also comprises: fan rotation control unit, and for judging fanWhether head arrives rotation extreme angles, if so, controls the reverse rotation of fan head.
Further, reset apparatus, for the rotation extreme angles of the fan head of resetting; With/Or the controlling organization of shaking the head, angular transducer is installed in the rotating shaft or bent wheel of the controlling organization of shaking the head.
Further, angular transducer comprises photoelectric rotary coder or resistance-type rotary codingDevice.
Compared with prior art, the utility model obtains working as of fan head by angular transducerFront angle information, if determine that the current angle information of fan head is different from expected angle information,The current angle of fan head is set to the rotation extreme angles of fan head, does not need handWork is set this rotation extreme angles, adjusts fan head swinging angle very convenient.
By the detailed description to exemplary embodiment of the present utility model referring to accompanying drawing, thisIt is clear that the further feature of utility model and advantage thereof will become.
Brief description of the drawings
The accompanying drawing that forms a part for description has been described embodiment of the present utility model, and connectsBe used from and explain principle of the present utility model with description one.
With reference to accompanying drawing, according to detailed description below, can more be expressly understood that this practicality is newType, wherein:
Fig. 1 is the structural representation of an embodiment of a kind of fan of the utility model.
Fig. 2 is installation position of angular position sensor schematic diagram in embodiment of the utility model.
Fig. 3 is that the utility model fan is given tacit consent to maximum rotating range figure.
Fig. 4 is that the utility model fan runs into maximum rotating range after barrier while being rotated counterclockwiseFigure.
Fig. 5 is that the utility model fan runs into maximum rotating range after barrier while turning clockwiseFigure.
Fig. 6 is the utility model maximum rotating range figure after twice arranges.
Fig. 7 is the structural representation of another embodiment of a kind of fan of the utility model.
Fig. 8 is the structural representation of another embodiment of a kind of fan of the utility model.
Fig. 9 is the schematic flow sheet of an embodiment of the control method of the utility model fan.
Figure 10 is the flow process signal of another embodiment of the control method of the utility model fanFigure.
Figure 11 is the flow process signal of another embodiment of the control method of the utility model fanFigure.
Detailed description of the invention
Describe various exemplary embodiment of the present utility model in detail now with reference to accompanying drawing. ShouldNotice: unless illustrate in addition, otherwise parts and the step set forth in these embodimentsPositioned opposite, numeral expression formula and numerical value do not limit scope of the present utility model.
, it should be understood that for convenience of description the chi of the various piece shown in accompanying drawing meanwhileVery little is not to draw according to actual proportionate relationship.
Illustrative to the description only actually of at least one exemplary embodiment below, certainlyNot as any restriction to the utility model and application or use.
May not do in detail for the known technology of person of ordinary skill in the relevant, method and apparatusThin discussion, but in suitable situation, described technology, method and apparatus should be regarded as authorizing and sayA part for bright book.
In all examples with discussing shown here, any occurrence should be construed as merelyExemplary, instead of as restriction. Therefore, other example of exemplary embodiment can toolThere is different values.
It should be noted that: in similar label and letter accompanying drawing below, represent similar terms, therefore,Once be defined in an a certain Xiang Yi accompanying drawing, do not need it to carry out in accompanying drawing subsequentlyFurther discuss.
For making the purpose of this utility model, technical scheme and advantage clearer, below knotClose specific embodiment, and with reference to accompanying drawing, the utility model is further described.
Fig. 1 is the structural representation of an embodiment of a kind of fan of the utility model. This fanComprise fan head 110, angular transducer 120 and control device 130.
Angular transducer 120 is for obtaining the current angle information of fan head 110, and will obtainThe current angle information of the fan head of getting sends to control device 120. Angle information can wrapDraw together angle, angular speed or both. Angular transducer can be photoelectric rotary coder or electricityResistive rotary encoder, concrete installation site can be according to the angle sensor structure of selecting andFixed.
Fig. 2 is installation position of angular position sensor schematic diagram in embodiment of the utility model. AsShown in Fig. 2, fan comprises oscillation controller 200 and fan head 220, shakes the head and controls dressPut 200 and comprise fan electromotor output shaft 201, crank wheel 202 and connecting rod 203. Fan head swinging electricityMachine (not shown) output shaft (or rotating shaft) fixed crankshaft wheel 202, one end of connecting rod 203 withThe crankshaft handle of crank wheel 202 is connected, and the other end is connected with fan retaining bracket. Angular transducer peaceBe contained in the rotating shaft or crank wheel 202 of fan head swinging motor of the controlling organization 200 of shaking the head of fan.
Control device 130 is for receiving the anterior angle of working as from the fan head of angular transducer 120Degree information, if determine that the current angle information of fan head is not identical with expected angle information,The current angle of fan head is set to the rotation extreme angles of fan head.
In one embodiment, control device receives current from the fan head of angular transducerAngle information, if the current angle information of definite fan head is not identical with expected angle information,And the duration is greater than threshold value, the current angle of fan head is set to revolving of fan headTurn extreme angles.
For example, as shown in Figure 3,300 is initial rotating range, i.e. fan head swinging time institute energyThe maximum magnitude rotating. In Fig. 4, when fan is shaken the head counterclockwise, by hand or other barrier410 stop, fan no longer continues to rotate counterclockwise, but clockwise rotates, while shaking the headBe 400 on a large scale. Even if barrier is removed afterwards, when rotating counterclockwise, fan also can not surpassAngle while being blocked before going out. If after fan is shaken the head the angle setting counterclockwise,Stopped by barrier in the region of shaking the head again, the angle of setting will be replaced by current angle. ?Set angle can reduce always, if want to increase set angle, can reset and be set to initial value,Return to the maximum anglec of rotation shown in Fig. 3, or manually reset the maximum rotation needingAngle. In Fig. 5, when fan is shaken the head clockwise, stopped by barrier 510, fan no longer continuesContinuous clockwise rotating, but rotate counterclockwise, while shaking the head, maximum magnitude is 500. Fig. 6 isThrough the maximum rotating range 600 of twice setting aft-fan.
Control device in embodiment can be controller, also can be by equipment such as hardware circuitsRealize the function of control device.
In embodiment of the present utility model, obtain the current of fan head by angular transducerAngle information, if determine that the current angle information of fan head is different from expected angle information,The current angle of fan head is set to the rotation extreme angles of fan head, does not need handWork is set this rotation extreme angles, adjusts fan head swinging angle very convenient.
In addition, due to can be new by stopping that with hand or barrier fan rotates to set fanPanning angle, this panning angle is adjustable arbitrarily within the scope of maximum set angle, and can power downReset, also can power down preserve, simple to operation, improve reliability and safety that fan usesProperty, can also effectively improve the utilization rate of fan, avoids panning angle sometimes to cause too greatly energyWaste. In the time that fan runs into barrier, can current angle be set to rotate extreme angles,No longer continue to shake the head, therefore, can also avoid fan head swinging time, run into barrier and stop, causeThe situation that motor damages.
Fig. 7 is the structural representation of another embodiment of a kind of fan of the utility model. This windFan comprises angular transducer 710, control device 720 and reset apparatus 730.
Angular transducer 710 is for obtaining the current angle of fan head.
If the current angle of control device 720 definite fan heads is not identical with expected angle,And the duration is greater than threshold value, the current angle of fan head is set to revolving of fan headTurn extreme angles. Threshold value wherein can be set, and can be used as the sensitivity parameter of fan.
Wherein, expected angle can come really according to the rotational time of fan head and initial angleFixed, for example, fan head initial angle is 0 °, and through 2 seconds, fan head should rotateTo 45 °, 45 ° of angles that are current expectation. And in the time of the 2nd second, the fan head recordingActual angle is 40 °, illustrates that fan head has run into barrier, by 40 ° of current anglesAs the rotation extreme angles of fan head, now controlling fan head reverse rotation.
In one embodiment, control device 720 can comprise expected angle acquiring unit 721,Comparing unit 722 and extreme angles setting unit 723 and fan rotation control unit 724. PhaseHope angle acquiring unit 721 for determining wind according to the rotational time of fan head and initial angleThe expected angle of fan head, comparing unit 722 is for comparing current angle and the phase of fan headHope that whether angle identical, if not identical and duration be greater than threshold value, to extreme anglesSetting unit 723 sends the current angle of fan head. Extreme angles setting unit 723 forThe rotation extreme angles of fan head is set to the current angle of fan head, fan rotation controlUnit 724 processed judges whether fan head arrives rotation extreme angles, if so, controls windThe reverse rotation of fan head, as shown in Fig. 4 or 5.
Wherein, the expected angle acquiring unit in embodiment, comparing unit, extreme angles settingUnit and fan rotation control unit can be established by software, circuit and combination and other hardwareStandby realization. For example, expected angle acquiring unit can obtain rotational time by clock circuit,Calculated and obtained expected angle by counting circuit, comparing unit can be comparator, extreme anglesSetting unit and fan rotation control unit can be different controllers.
In one embodiment, control device 720 can also obtain according to angular transducer 710Current angle, current angle is carried out to differential processing and obtains angular speed, and with expect angular speedCompare, if the current angular speed of fan head with expect that angular speed is identical and when lastingBetween be greater than threshold value, the current angle of fan head is set to the rotation limiting angle of fan headDegree.
If reset apparatus 730 is for increasing the rotation extreme angles of fan head, heavyPut the rotation extreme angles of fan head. By this operation, the maximum anglec of rotation of fan is recoveredArrive expected angle as shown in Figure 3. This reset apparatus 730 can be manual button. Should in realityWith in, by direct power down, also can realize function of reset.
In embodiment of the present utility model, obtain the current of fan head by angular transducerAngle, control device judges that whether the current angle of the fan head gathering is identical with expected angle,If identical, show not run into barrier, the not identical and duration is greater than threshold value, saysBright fan runs into barrier, and the current angle of fan head is set to the pole of rotation of fan headLimit angle. Due to can be by stopping that with hand or barrier fan rotates to set new the shaking of fanBrilliance degree, this panning angle is adjustable arbitrarily within the scope of maximum set angle, and can power down weightPut, also can power down preserve, simple to operation, improve reliability and security that fan uses,Can also effectively improve the utilization rate of fan, avoid panning angle sometimes to cause too greatly the wave of energyTake. In addition, the utility model increases an angular transducer, and implementation cost is lower, at windWhen fan runs into barrier, can current angle be set to rotate extreme angles, no longer continue to shakeHead, therefore, runs into barrier can also avoid fan head swinging time and stops, causes motor to damageSituation.
Fig. 8 is the structural representation of another embodiment of a kind of fan of the utility model. This windFan comprises angular transducer 810, control device 820 and reset apparatus 830.
Angular transducer 810 is for obtaining the current angular speed of fan head. If fan is not metTo barrier, the angular speed that angular transducer obtains is identical with predefined angular speed,While running into barrier, there will be not identical situation.
Control device 820 is for receiving the anterior angle of working as from the fan head of angular transducer 810Speed, if determine that the current angular speed of fan head is not identical with expectation angular speed and continueTime is greater than threshold value, and the current angle of fan head is set to the rotation limit of fan headAngle. Threshold value wherein can be set, and can be used as the sensitivity parameter of fan.
Wherein, expecting that angular speed can be pre-stored, can be also according to shaking the head controllerThe control parameter of shaking the head of structure pre-determines the expectation angular speed of fan head. Current angle can rootIntegral and calculating according to current angular speed draws.
In one embodiment, control device 820 with comprise expect angular speed memory cell 821,Comparing unit 822, extreme angles setting unit 823 and fan rotation control unit 824. Wherein,Expect that angular speed memory cell 821 is for storing the expectation angular speed of fan head, comparing unit822 for obtain the expectation angular speed of fan head from expectation angular speed memory cell 821, andRelatively whether the current angular speed of fan head identical with expectation angular speed, if not identical andDuration is greater than threshold value, sends the current of fan head to extreme angles setting unit 823Angle, wherein, comparing unit 822 also carries out integration for the current angular speed to fan headObtain the current angle of fan head, extreme angles setting unit 823 is for by fan headRotation extreme angles is set to the current angle of fan head, and fan rotation control unit 824 is sentencedWhether disconnected fan head arrives rotation extreme angles, if so, controls fan head and oppositely revolvesTurn, as shown in Fig. 4 or 5.
Wherein, expectation angular speed memory cell, comparing unit, the extreme angles in embodiment establishedPut unit and fan rotation control unit and can pass through software, circuit and combination and other hardwareEquipment is realized. For example, expected angle memory cell can be memory, and comparing unit can beComparator, extreme angles setting unit and fan rotation control unit can be different controllers.
In one embodiment, control device 820 can also obtain according to angular transducer 810Current angular speed, current angular speed is carried out to Integral Processing and obtains current angle, and with expectationAngle is compared, if the current angle of fan head is not identical with expected angle and when lastingBetween be greater than threshold value, the current angle of fan head is set to the rotation limiting angle of fan headDegree.
If reset apparatus 830 is for increasing the rotation extreme angles of fan head, heavyPut the rotation extreme angles of fan head. By this operation, the maximum anglec of rotation of fan is recoveredArrive expected angle as shown in Figure 3. This reset apparatus 830 can be manual button. Should in realityWith in, by direct power down, also can realize function of reset.
In embodiment of the present utility model, obtain the current of fan head by angular transducerAngular speed, the current angular speed of the fan head that control device judgement gathers with expecting angular speed isNo identical, if identical, show not run into barrier, the not identical and duration is greater than thresholdValue, illustrates that fan runs into barrier, and the current angle of fan head is set to fan headRotation extreme angles. Due to can be by stopping that with hand or barrier fan rotates to set windFan new panning angle, this panning angle is adjustable arbitrarily within the scope of maximum set angle, andCan power down reset, also can power down preserve, simple to operation, improve the reliability that fan usesAnd security, can also effectively improve the utilization rate of fan, avoid panning angle sometimes to make too greatlyBecome the waste of energy. In addition, the utility model increases an angular transducer, implementation cost ratioLower, in the time that fan runs into barrier, can current angle be set to rotate extreme angles,No longer continue to shake the head, therefore, can also avoid fan head swinging time, run into barrier and stop, causeThe situation that motor damages.
Fig. 9 is the schematic flow sheet of an embodiment of the utility model control method for fan.
In step 910, obtain the current angle information of fan head by angular transducer.
In step 920, whether judge the current angle information of fan head and expected angle informationIdentical, if identical, perform step 930, otherwise, execution step 940.
In step 930, keep fan end rotation, until reach the predefined rotation limitAngle.
In step 940, the current angle of fan head is set to the rotation limit of fan headAngle.
For example, as shown in Figure 3,300 is initial rotating range, i.e. fan head swinging time institute energyThe maximum magnitude rotating. In Fig. 4, when fan is shaken the head counterclockwise, by hand or other barrier410 stop, fan no longer continues to rotate counterclockwise, but clockwise rotates, while shaking the headBe 400 on a large scale. Even if barrier is removed afterwards, when rotating counterclockwise, fan also can not surpassAngle while being blocked before going out. If after fan is shaken the head the angle setting counterclockwise,Stopped by barrier in the region of shaking the head again, the angle of setting will be replaced by current angle. ?Set angle can reduce always, if want to increase set angle, can reset and be set to initial value,Return to the maximum anglec of rotation shown in Fig. 3, or manually reset the maximum rotation needingAngle. In Fig. 5, when fan is shaken the head clockwise, stopped by barrier 510, fan no longer continuesContinuous clockwise rotating, but rotate counterclockwise, while shaking the head, maximum magnitude is 500. Fig. 6 isThrough the maximum rotating range 600 of twice setting aft-fan.
Each step in embodiment, can realize by modes such as hardware circuits.
In embodiment of the present utility model, obtain the current of fan head by angular transducerAngle information, if determine that the current angle information of fan head is different from expected angle information,The current angle of fan head is set to the rotation extreme angles of fan head, does not need handWork is set this rotation extreme angles, adjusts fan head swinging angle very convenient.
In addition, due to can be new by stopping that with hand or barrier fan rotates to set fanPanning angle, this panning angle is adjustable arbitrarily within the scope of maximum set angle, and can power downReset, also can power down preserve, simple to operation, improve reliability and safety that fan usesProperty, can also effectively improve the utilization rate of fan, avoids panning angle sometimes to cause too greatly energyWaste. In the time that fan runs into barrier, can current angle be set to rotate extreme angles,No longer continue to shake the head, therefore, can also avoid electric fan oscillating time, run into barrier and stop, makeThe situation that becomes motor to damage.
Figure 10 is the schematic flow sheet of another embodiment of the utility model control method for fan.
In step 1010, obtain the current angle of fan head by angular transducer.
Wherein, expected angle can come really according to the rotational time of fan head and initial angleFixed, for example, fan head initial angle is 0 °, and through 2 seconds, fan head should rotateTo 45 °, 45 ° of angles that are current expectation.
In step 1020, relatively whether the current angle of fan head is identical with expected angle, asFruit is identical performs step 1030, otherwise, execution step 1040.
For example, the angle of current expectation in the 2nd second is 45 °, and the fan head actual corners recordingDegree is 40 °, illustrates that current angle is not identical with expected angle.
In step 1030, keep fan end rotation.
In step 1040, judge whether the not identical duration is greater than threshold value. If be not more than,Perform step 1030, otherwise execution step 1050. Threshold value wherein can be used as the sensitive of fanDegree parameter.
In step 1050, the current angle of fan head is set to the rotation limit of fan headAngle. Now, illustrate that fan runs into barrier, continue execution step 1060.
In step 1060, control the reverse rotation of fan head. As shown in Fig. 4 or 5.
In step 1070, judge whether fan head arrives rotation extreme angles. If so,Execution step 1060, otherwise execution step 1030.
If need to increase the rotation extreme angles of fan head, the rotation of the fan head of resettingExtreme angles. The maximum anglec of rotation of fan returns to expected angle as shown in Figure 3. In realityIn the application of border, manually button resets and resets, and this button also can be set, directly power down,Also can realize function of reset.
Each step in embodiment, can realize by modes such as hardware circuits.
In this embodiment, obtain the current angle of fan head by angular transducer, controlDevice judges that whether the current angle of the fan head gathering is identical with expected angle, if identical,Show not run into barrier, not identical, illustrate that fan runs into barrier, by fan headCurrent angle be set to the rotation extreme angles of fan head. Owing to can passing through with hand or barrierHinder thing to stop that fan rotates to set the panning angle that fan is new, this panning angle is set in maximumAdjustable arbitrarily in angular range, and can power down reset, also can power down preserve, simple to operation,Improve reliability and security that fan uses, can also effectively improve the utilization rate of fan,Avoid panning angle sometimes to cause too greatly the waste of energy. In addition, the utility model increases by oneAngular transducer, implementation cost is lower, in the time that fan runs into barrier, can will work as anterior angleDegree is set to rotate extreme angles, no longer continues to shake the head, and therefore, can also avoid electric fan to shakeTime run into barrier and stop, the situation that causes motor to damage.
Figure 11 is the schematic flow sheet of another embodiment of the utility model control method for fan.
In step 1110, obtain the current angular speed of fan head by angular transducer.
The utility model can store up the expectation angular speed of fan head or in advance according to the control of shaking the headThe control parameter of shaking the head of mechanism processed pre-determines the expectation angular speed of fan head.
In step 1120, relatively whether phase of the current angular speed of fan head and expectation angular speedWith, if the same perform step 1130, otherwise, execution step 1140.
In step 1130, keep fan end rotation.
In step 1140, judge whether the not identical duration is greater than threshold value. If be not more than,Perform step 1130, otherwise execution step 1150. Threshold value wherein can be used as the sensitive of fanDegree parameter.
In step 1150, the current angle of fan head is set to the rotation limit of fan headAngle. Now, illustrate that fan runs into barrier, continue execution step 1160.
Current angle can draw according to the integral and calculating of current angular speed.
In step 1160, control the reverse rotation of fan head. As shown in Fig. 4 or 5.
In step 1170, judge whether fan head arrives rotation extreme angles. If so,Execution step 1160, otherwise execution step 1130.
If need to increase the rotation extreme angles of fan head, the rotation of the fan head of resettingExtreme angles. The maximum anglec of rotation of fan returns to expected angle as shown in Figure 3. In realityIn the application of border, manually button resets and resets, and this button also can be set, directly power down,Also can realize function of reset.
Each step in embodiment, can realize by modes such as hardware circuits.
In this embodiment, obtain the current angular speed of fan head by angular transducer, controlDevice processed judges that whether the current angular speed of the fan head gathering is identical with expectation angular speed, ifIdentical, show not run into barrier, not identical, illustrate that fan runs into barrier, by windThe current angle of fan head is set to the rotation extreme angles of fan head. Owing to can passing through to useHand or barrier stop that fan rotates to set the panning angle that fan is new, and this panning angle isAdjustable arbitrarily within the scope of large set angle, and can power down reset, also can power down preserve, simpleEasy to operate, improve reliability and security that fan uses, can also effectively improve fanUtilization rate, avoids panning angle sometimes to cause too greatly the waste of energy. In addition, the utility modelIncrease an angular transducer, implementation cost is lower, in the time that fan runs into barrier, and canCurrent angle is set to rotate extreme angles, no longer continues to shake the head, and therefore, can also avoidWhen electric fan oscillating, run into barrier and stop, the situation that causes motor to damage.
So far, described the utility model in detail. Of the present utility model for fear of coveringDesign, does not describe details more known in the field. Those skilled in the art are according to aboveDescription, can understand how to implement technical scheme disclosed herein completely.
Although specific embodiments more of the present utility model have been carried out in detail by exampleIllustrate, but it should be appreciated by those skilled in the art, above example is only in order to describe,Instead of in order to limit scope of the present utility model. It should be appreciated by those skilled in the art, canIn the situation that not departing from scope and spirit of the present utility model, above embodiment is modified.Scope of the present utility model is limited by claims.
Claims (7)
1. a fan, comprises fan head, it is characterized in that, also comprises:
The angular transducer that is used for the current angle information that obtains described fan head, the current angle information of wherein said fan head comprises current angle or the current angular speed of described fan head; With
Control device;
Described control device comprises comparing unit and extreme angles setting unit; Described comparing unit is electrically connected with described angular transducer and extreme angles setting unit respectively;
Described angular transducer obtains current angle or the current angular speed of fan head; Whether the current angle of the more described fan head of described comparing unit is identical with expected angle, or whether the current angular speed of more described fan head is identical with expectation angular speed, if the not identical and duration is greater than threshold value, send the current angle of described fan head; Described extreme angles setting unit receives the current angle from the described fan head of described comparing unit, and the rotation extreme angles of described fan head is set to the current angle of described fan head.
2. fan according to claim 1, is characterized in that, described control device also comprises: expected angle acquiring unit;
Described expected angle acquiring unit is electrically connected with described comparing unit.
3. fan according to claim 1, is characterized in that, described comparing unit carries out integration and obtain the current angle of described fan head to the current angular speed of described fan head.
4. fan according to claim 3, is characterized in that, described control device also comprises:
Expect angular speed memory cell, for storing the expectation angular speed of described fan head;
Described comparing unit obtains the expectation angular speed of described fan head from described expected angle memory cell.
5. according to the fan described in any one in claim 1 to 4, it is characterized in that, described control device also comprises fan rotation control unit; Described fan rotation control unit is electrically connected with described extreme angles setting unit.
6. according to the fan described in any one in claim 1 to 4, it is characterized in that, also comprise:
Reset apparatus, for the rotation extreme angles of the described fan head of resetting;
And/or
The controlling organization of shaking the head, on the rotating shaft of the controlling organization of shaking the head described in described angular transducer is installed on or bent wheel.
7. fan according to claim 1, is characterized in that, described angular transducer comprises photoelectric rotary coder or resistance-type rotary encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520946351.1U CN205315324U (en) | 2015-11-24 | 2015-11-24 | Fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520946351.1U CN205315324U (en) | 2015-11-24 | 2015-11-24 | Fan |
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| Publication Number | Publication Date |
|---|---|
| CN205315324U true CN205315324U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520946351.1U Expired - Fee Related CN205315324U (en) | 2015-11-24 | 2015-11-24 | Fan |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370601A (en) * | 2015-11-24 | 2016-03-02 | 珠海格力电器股份有限公司 | Fan and fan control method |
| CN113945147A (en) * | 2020-07-15 | 2022-01-18 | 广东美的环境电器制造有限公司 | Detection circuit and detection method thereof, fan and readable storage medium |
-
2015
- 2015-11-24 CN CN201520946351.1U patent/CN205315324U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370601A (en) * | 2015-11-24 | 2016-03-02 | 珠海格力电器股份有限公司 | Fan and fan control method |
| CN113945147A (en) * | 2020-07-15 | 2022-01-18 | 广东美的环境电器制造有限公司 | Detection circuit and detection method thereof, fan and readable storage medium |
| CN113945147B (en) * | 2020-07-15 | 2023-12-12 | 广东美的环境电器制造有限公司 | Detection circuit, detection method thereof, fan and readable storage medium |
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