CN207073919U - Air conditioner and its motor rotation blockage detection means and door-plate control system - Google Patents
Air conditioner and its motor rotation blockage detection means and door-plate control system Download PDFInfo
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- CN207073919U CN207073919U CN201720014258.6U CN201720014258U CN207073919U CN 207073919 U CN207073919 U CN 207073919U CN 201720014258 U CN201720014258 U CN 201720014258U CN 207073919 U CN207073919 U CN 207073919U
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- air conditioner
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Abstract
The utility model discloses a kind of motor rotation blockage detection means of air conditioner, including：Magnet ring, magnet ring are fixed on the runner assembly of motor, and P N magnetic pole and Q S magnetic pole are full of on the face of magnetizing of magnet ring, wherein, P, Q are the integer more than 1；X Hall detection components, x Hall detection components are fixedly installed close to magnet ring, and the pole change of x Hall detection components reaction magnetic ring when the runner assembly of motor rotates generates x road feel induction signals with corresponding, and x is the integer more than 1；Control unit, control unit is connected with x Hall detection components, control unit judges the state of motor according to x induced signal, so as to effectively judge whether motor occurs stall, and detection time can be shortened by magnet ring and multiple Hall detection components, detection sensitivity is lifted, and the device space-consuming is few, cost is cheap, be easily installed, service life is long, reliable and stable.The invention also discloses the door-plate control system and air conditioner of a kind of air conditioner.
Description
Technical field
It the utility model is related to air conditioner technical field, the motor rotation blockage detection means of more particularly to a kind of air conditioner, one
The door-plate control system of kind air conditioner and a kind of air conditioner.
Background technology
As the popularization and each product of intelligent automation are to quality and pursuit attractive in appearance, household electrical appliance such as cabinet air-conditioner
In, slide switch door gear more and more is used, the actuating unit of such sliding door is generally motor.In motor operation course
In, in the event of stall, then now mechanism is in interference state, so can be to motor in itself and electrical equipment causes damage.
Utility model content
The utility model is intended to one of technical problem at least solving in correlation technique to a certain extent.Therefore, this reality
Be a kind of propose air conditioner motor rotation blockage detection means with a new purpose, can effective detection motor whether block up
Turn, and detection sensitivity is high.
Another purpose of the present utility model is the door-plate control system for proposing a kind of air conditioner.It is of the present utility model again
One purpose is to propose a kind of air conditioner.Further object of the present utility model is to propose a kind of air conditioner.
To reach above-mentioned purpose, on the one hand the utility model proposes a kind of motor rotation blockage detection means of air conditioner, bag
Include：Magnet ring, the magnet ring are fixed on the runner assembly of motor, and P N magnetic pole and Q S are full of on the face of magnetizing of the magnet ring
Magnetic pole, wherein, P, Q are the integer more than 1；X Hall detection components, the x Hall detection components are consolidated close to the magnet ring
It is fixed to set, the x Hall detection components sense in the runner assembly rotation of the motor pole change of the magnet ring with
Corresponding generation x road feel induction signals, x are the integer more than 1；Control unit, described control unit and the x Hall detection components
It is connected, described control unit judges the state of the motor according to the x induced signal.
According to the utility model proposes air conditioner motor rotation blockage detection means, by x Hall detection components in electricity
The pole change of reaction magnetic ring generates x road feel induction signals with corresponding when the runner assembly of machine rotates, and then control unit is according to x
Induced signal judges the state of motor, so as to effectively judge whether motor occurs stall, is accordingly arranged in order to take in time
Apply the rotation to motor to be adjusted, avoid damaging mechanism, and can shorten inspection by magnet ring and multiple Hall detection components
The time is surveyed, lifts detection sensitivity.Also, the device space-consuming is few, cost is cheap, be easily installed, service life is long, stably
Reliably.
Further, the runner assembly of the motor is travelling gear or drive shaft.
Further, the centre of the magnet ring is provided with fixing hole, to pass through the rotating group of the fixing hole and the motor
Part riveted.
Further, the face of magnetizing of the magnet ring is magnet ring peripheral side or magnet ring internal end surface.
Further, the quantity of the N magnetic poles and the S magnetic poles is equal, and the equal N magnetic poles of quantity and the S
Magnetic pole is arranged at intervals one by one.
Further, the P N magnetic poles and the Q S magnetic poles are set in a manner of wide.
Further, the x Hall detection components stagger pre- according to the number sum of the N magnetic poles and the S magnetic poles
If angle.
Further, the predetermined angle is determined according to below equation：
D=360 °/(P+Q)/x+n*2*360 °/(P+Q)
Wherein, d is the predetermined angle, and P is the number of the N magnetic poles, and Q is the number of the S magnetic poles, x for it is described suddenly
The number of your detection components, n is any positive integer.
Further, the power end of the x Hall detection components is connected by first resistor with default power supply, described
The earth terminal ground connection of x Hall detection components, equal in parallel the between the power end and earth terminal of the x Hall detection components
One electric capacity, wherein, the test side of each Hall detection components senses the pole change of the magnet ring, each Hall detection components
Induced signal corresponding to output end output.
Further, the motor rotation blockage detection means of described air conditioner also includes x output circuit, the x output
Circuit is connected with the output end of the x Hall detection components, and each output circuit includes：The second resistance of series connection and the 3rd electricity
Resistance, the second resistance of the series connection and one end of 3rd resistor be connected with the default power supply, the second resistance of the series connection with
The other end of 3rd resistor is connected with described control unit, has node between the second resistance and 3rd resistor of the series connection,
The node is connected with the output end of corresponding Hall detection components.
Further, the Hall detection components are fixed in the air conditioner body.
Further, the Hall detection components generate the first induced signal in face N magnetic poles, and in face S magnetic poles
The induced signals of Shi Shengcheng second, the x road feels induction signal construct the combination of y kinds level state, y>X, described control unit include：
Timer, the timer are used to carry out timing to the duration of every kind of level state combination in the y kinds detection state, and
The reclocking when level state combination changes；Control chip, the control chip are connected with the timer, the control
Coremaking piece judges the motor rotation blockage when the duration that any number of level state combines being more than preset time threshold.
Further, the quantity y that the level state combines is 2 times of the quantity x of the induced signal.
To reach above-mentioned purpose, on the other hand the utility model proposes a kind of door-plate control system of air conditioner, including；
Motor, the motor are used for the door-plate for driving the air conditioner；The motor rotation blockage detection means of described air conditioner, the air-conditioning
The motor rotation blockage detection means of device be used for detect the motor whether stall, to judge whether the door-plate runs into barrier.
According to the utility model proposes air conditioner door-plate control system, can be sentenced by above-mentioned motor rotation blockage detection means
Whether disconnected door-plate runs into barrier, so as to effectively judge whether door-plate runs into barrier, is accordingly arranged in order to take in time
The movement for applying end of door plate is adjusted, and avoids damaging mechanism, and can shorten inspection by magnet ring and multiple Hall detection components
The time is surveyed, detection sensitivity is lifted, prevents from damaging user the experience for such as clamping finger, lifting user.Also, should
Device space-consuming is few, cost is cheap, be easily installed, service life is long, reliable and stable.
To reach above-mentioned purpose, the another aspect of the utility model proposes a kind of air conditioner, including described air conditioner
Motor rotation blockage detection means.
According to the utility model proposes air conditioner, by above-mentioned motor rotation blockage detection means, can effectively judge electricity
Whether machine occurs stall, and detection sensitivity is high, space-consuming is few, cost is cheap, be easily installed, service life is long, stably may be used
Lean on.
To reach above-mentioned purpose, the utility model another further aspect proposes a kind of air conditioner, including described air conditioner
Door-plate control system.
According to the utility model proposes air conditioner, by above-mentioned door-plate control system, effectively judge whether door-plate meets
To barrier, and detection sensitivity is high, space-consuming is few, cost is cheap, be easily installed, service life is long, reliable and stable, prevents
User is damaged such as clamping finger, lift the experience of user.
Brief description of the drawings
Fig. 1 is the block diagram according to the motor rotation blockage detection means of the air conditioner of the utility model embodiment；
Fig. 2 be according to the structural representation of the magnet ring of the utility model one embodiment, wherein, magnet ring is filled using side
Magnetic；
Fig. 3 be according to the structural representation of the magnet ring of the utility model one embodiment, wherein, magnet ring is filled using end face
Magnetic；
Fig. 4 be according to the structural representation of the motor rotation blockage detection means of the air conditioner of the utility model one embodiment,
Wherein, magnet ring is magnetized using side；
Fig. 5 be according to the structural representation of the motor rotation blockage detection means of the air conditioner of the utility model one embodiment,
Wherein, magnet ring is magnetized using end face；
Fig. 6 is the block diagram according to the motor rotation blockage detection means of the air conditioner of the utility model one embodiment；
Fig. 7 is that the waveform of the induced signal exported according to the Hall detection components of the utility model one embodiment is illustrated
Figure, wherein, stall does not occur for motor；
Fig. 8 is that the waveform of the induced signal exported according to the Hall detection components of the utility model one embodiment is illustrated
Figure, wherein, at the t1 moment stall occurs for motor；
Fig. 9 is the circuit theory diagrams according to the Hall detection components of the utility model one embodiment；
Figure 10 is the block diagram according to the door-plate control system of the air conditioner of the utility model embodiment；
Figure 11 is the schematic diagram according to the door-plate of the air conditioner of the utility model one embodiment；
Figure 12 is the schematic diagram according to the installation site of the motor of the utility model one embodiment.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In the motor rotation blockage detection means of air conditioner, the door-plate control system of air conditioner and the sky of the description embodiment of the present invention
Before adjusting device, the door-plate occlusion detection technology in correlation technique is simply introduced first.
Correlation technique discloses a kind of door-plate occlusion detection device, i.e., installs gratings strips additional on slidable door-plate, and
Gratings strips both sides install luminous tube and light-receiving tube additional respectively, produce height electricity by the interval translucency of gratings strips during door-plate proper motion
Flat pulse feedback signal, it can monitor whether to block by the detection to high level or low duration.But applicant
It was found that the problem of it is present is, this apparatus structure is complicated, need to install device additional in grating both sides, difficulty is larger, and grating and door-plate are also
Need certain interval.Further, since using photovoltaic principals, to avoid the multiple factors such as ambient light interference so that the printing opacity of grating
Can not be excessively narrow and small with shading gap, so caused adverse consequences is to lengthen the low and high level duration of feedback pulse, from
And the detection time blocked lengthens, detection sensitivity reduces, and meeting last very long of keenly feeling if finger is clamped, makes user difficult
To receive.
Correlation technique also discloses a kind of door-plate occlusion detection device, and it is being pressed from both sides using inductance with electric capacity antiresonant circuit
Firmly cause the principle of parallel circuit impedance variations after barrier by inductance value changes, detected whether using impedance detection circuit
Barrier blocks sliding door.But it has been found that the problem of it is present is, detect device service life it is limited and with
Function is likely to fail after run time is elongated, because inductance used in parallel circuit is the sheet metal with copper foil cabling, inductance
Sheet deformation caused by barrier when value changes are derived from retardance, and can all sheet metal is seriously squeezed when sliding door closure every time
Pressure, deformation, it is long this repeatedly, sheet metal can cause expendable deformation or thoroughly damage and detection function is failed.Moreover, this
Kind scheme detection device is only applicable to single sided switched door gear, it is impossible to be used in bilateral door opening/closing apparatus, because work can not be installed on
On dynamic sliding door, and it is only applicable to the retardance in door closing procedure, it is impossible to detect the retardance in door opening process.
Based on this, the embodiment of the present invention proposes a kind of motor rotation blockage detection means of new air conditioner, the door of air conditioner
Panel control system and air conditioner.
Below with reference to the accompanying drawings 1-9 detects to describe the motor rotation blockage of the air conditioner of the utility model one side embodiment proposition
Device.
As Figure 1-5, the motor rotation blockage detection means of the air conditioner of the utility model embodiment includes：Magnet ring 10, x
Hall detection components 20 and control unit 30.
Wherein, magnet ring 10 is fixed on the runner assembly of motor, and P N magnetic pole and Q S are full of on the face of magnetizing of magnet ring 10
Magnetic pole, wherein, P, Q are the integer more than 1；X Hall detection components 20 are fixedly installed close to magnet ring 10, x Hall detection group
The pole change of the reaction magnetic ring 10 when the runner assembly of motor rotates of part 20 generates x road feel induction signals with corresponding, and x is more than 1
Integer；Control unit 30 is connected with x Hall detection components 20, and control unit 30 judges motor according to x induced signal
State.
It should be noted that x Hall detection components 20 can correspond to the face setting of magnetizing of magnet ring 10, and x Hall inspection
Surveying component 20 can be close to magnet ring 10 but contacting, in the range of the magnetic field induction of magnet ring 10.
Specifically, when motor rotates, magnet ring 10 rotates with motor, and x Hall detection components 20 are fixed,
The N magnetic poles to magnetize on face and S magnetic poles of magnet ring 10 pass sequentially through each Hall detection components 20, and x Hall detection components 20 are felt
The pole change of magnet ring 10 is answered so as to export x road feels induction signal such as low and high level pulse train, when motor is according to preset rotation speed
The x road feels induction signal exported during rotation will meet corresponding rule, and x Hall detection components 20 are felt when motor stops rotation
The magnetic pole answered will keep constant, and x road feel induction signals will be unable to meet corresponding rule, and thus, control unit 30 is according to x
Induced signal judges whether the state of motor, such as motor occur stall.
According to one embodiment of the present utility model, motor can be stepper motor, and stepper motor can use opened loop control, control
Whether unit 30 processed can occur stall by the structure detection stepper motor of magnet ring and multiple Hall detection components, prevent that stepping is electric
Machine is continuously in interference state, prevents to motor in itself and product operation has a negative impact.
According to one embodiment of the present utility model, the runner assembly of motor is travelling gear or drive shaft.That is,
Magnet ring 10 can be fixed on the travelling gear or drive shaft of motor, so as to which when motor rotates, magnet ring 10 can concomitant rotation.
It should be noted that when the door-plate of motor driving air conditioner, if through multiple travelling gears between motor and door-plate,
Magnet ring 10 can be preferably fixed to the travelling gear close to door-plate end.
Specifically, as shown in Figure 2-5, the centre of magnet ring 10 is provided with fixing hole 101, to pass through fixing hole 101 and motor
Runner assembly riveted, so as to runner assembly synchronous axial system.That is, magnet ring 10 can pass through fixing hole 101 and motor
Travelling gear or drive shaft riveted.In addition, magnet ring 10 also can directly make a part with travelling gear.
Also, according to one embodiment of the present utility model, Hall detection components 20 can be fixed in air conditioner body.By
This, integral installation is convenient, avoids bringing routing problem.
Further, according to one embodiment of the present utility model, as shown in Figure 2-5, N magnetic poles and S magnetic poles on magnet ring 10
Quantity it is equal, i.e. P=Q, and the equal N magnetic poles of quantity are arranged at intervals one by one with S magnetic poles.
That is, can be spaced on circular magnetic loop 10 full of N magnetic poles and S magnetic poles, when motor rotates, N magnetic poles and S
Magnetic pole will can export alternately across each Hall detection components 20, each Hall detection components 20 according to the pole change sensed
Corresponding induced signal.
Also, according to one embodiment of the present utility model, P N magnetic pole and Q S magnetic pole can be set in a manner of wide,
That is the width of each N magnetic poles and each S magnetic poles on magnet ring 10 is equal.
It should be noted that the width of N magnetic poles and S magnetic poles is more narrow better on the premise of magnetic field intensity is ensured, such as can
Accomplish 1-2 millimeters, magnetic field intensity is required depending on the sensed parameter according to Hall detection components 20.Magnetic pole on magnet ring 10 is N magnetic
Pole is alternate with S magnetic poles, and N magnetic poles are related with the size of magnet ring 10 to the total number of S magnetic poles, and the size of magnet ring 10 is bigger, N magnetic poles
More with the total number of S magnetic poles, detection sensitivity is higher.
According to one embodiment of the present utility model, Hall detection components 20 can generate phase according to the magnetic pole type sensed
The induced signal answered, i.e. Hall detection components 20 generate the first induced signal in face N magnetic poles, and are given birth in face S magnetic poles
Into the second induced signal, such as the first induced signal can be high level and the second induced signal can be low level, the first sensing letter
Number can be low level and the second induced signal can be high level, the level state of the first induced signal and the second induced signal can root
Determined according to the type of Hall detection components 20.
So, when N magnetic poles and S magnetic poles are alternately across Hall detection components 20, Hall detection components 20 will export stable
Low and high level pulse train, and the cycle of x roads low and high level pulse train fixes and identical, dutycycle 50%.
Thus, the N magnetic poles on magnet ring 10 and S magnetic poles can accomplish very intensive (magnet pole widths can accomplish 1-2mm), sensitivity
Height, the frequency of feedback pulse can be improved, so as to shorten detection time, improve detection sensitivity.Moreover, imitated based on Hall
Should, it is reliable and stable, low, impulse waveform stabilization is disturbed, low and high level saltus step is rapid.
According to a specific embodiment of the present utility model, as shown in Figure 2-5, the face of magnetizing of magnet ring 10 is magnet ring perimeter sides
Face or magnet ring internal end surface.That is, magnet ring 10 has, side is magnetized and end face is magnetized two kinds of forms, as shown in Figure 2 and Figure 4 for
Side is magnetized, and N magnetic poles and S pole piece spacings can be full of to the periphery of magnet ring 10, wherein, in such as Fig. 2 and Fig. 4, left side is vertical view
Figure, right side is front view；Magnetized as shown in Figure 3 and Figure 5 for end face, N magnetic poles and S pole piece spacings can be full of to the end of magnet ring 10
Face.In the utility model embodiment, preferable end face is magnetized, thinner from that can do magnet ring 10, is saved material, is reduced into
This.
According to one embodiment of the present utility model, such as Hall sensor of Hall detection components 20 can use paster and insert
Two kinds of packing forms of part type, Hall detection components 20 are each attached on pcb board and are fixed on by pcb board in air conditioner main body, position
, can be in induction range in magnetic field close to magnet ring but non-contact in the side of magnet ring 10.
Wherein, as shown in figure 5, the magnet ring 10 that the Hall detection components 20 of patch-type can magnetize with end face is engaged；Such as Fig. 4
Shown, the magnet ring 10 that the Hall detection components 20 of plug-in type can magnetize with side is engaged., can in the utility model embodiment
It is preferred that the Hall detection components 20 of patch-type, because in manufacture craft, patch-type positioning is more accurate, are missed so as to reduce detection
Difference, and Automated assembly can be easy to using patch-type, lift assembling speed.
According to one embodiment of the present utility model, x Hall detection components 20 can be according to the number of N magnetic poles and S magnetic poles
Sum staggers predetermined angle.Specifically, the predetermined angle that staggers between two adjacent Hall detection components 20 can be made.
That is, x Hall detection components 20 can stagger arrangement distribution, the magnetic of the x matching magnet ring 10 of Hall detection components 20
The width of pole total number and each magnetic pole staggers predetermined angle, so that the x road feels that x Hall detection components 20 export respectively should be believed
Number stagger successively preset phase angle, so as to lift detection sensitivity at double.As illustrated in figures 4-5, with three Hall detection components 20
Exemplified by, stagger predetermined angle between the Hall detection components 20A on the left side and the Hall detection components 20B of centre, and centre is suddenly
Also stagger predetermined angle between that detection components 20B and the Hall detection components 20C on the right, also, is turned clockwise with magnet ring 10
Exemplified by dynamic, the Hall detection components 20A preset phases on the induced signal hysteresis left side of middle Hall detection components 20B outputs
Angle, the induced signal of the Hall detection components 20C outputs on the right lag middle Hall detection components 20B preset phases angle.
Specifically, predetermined angle can be determined according to below equation：
D=360 °/(P+Q)/x+n*2*360 °/(P+Q)
Wherein, d is predetermined angle, and P is the number of N magnetic poles, and Q is the number of S magnetic poles, and x is the number of Hall detection components,
N is any positive integer.
It should be noted that n is the arbitrary integer more than or equal to 1, as long as the determination of concrete numerical value meets Hall detection group
Part 20 will not spatially interfere in arrangement.
Specifically, with the magnetic pole total number P+Q=24 of magnet ring 10, exemplified by the number x=3 of Hall detection components 20, n takes 1,
Can be obtained by calculating predetermined angle by d=35 °, i.e., stagger 35 ° between two neighboring Hall detection components 20.More specifically, such as Fig. 4-5
It is shown, stagger 35 ° between the Hall detection components 20A on the left side and the Hall detection components 20B of centre, and the detection of middle Hall
Also stagger 35 ° between component 20B and the Hall detection components 20C on the right, it is correspondingly, middle when magnet ring 10 rotates clockwise
Hall detection components 20B output induced signal relative to the left side Hall detection components 20A export induced signal lag
60 °, the sensing that the induced signal of the Hall detection components 20C on the right output exports relative to the Hall detection components 20B of centre
60 ° of signal lag.
According to one embodiment of the present utility model, Hall detection components 20 generate the first sensing letter in face N magnetic poles
Number, and the second induced signal is generated in face S magnetic poles, x road feel induction signals construct the combination of y kinds level state, y>x.Wherein,
According to one embodiment of the present utility model, the quantity y of level state combination can be 2 times of the quantity x of induced signal, i.e. y=
2x。
As shown in fig. 6, control unit 30 includes：Timer 301 and control chip 302.
Wherein, timer 301 is used to carry out timing to the duration of every kind of level state combination in y kind detection states,
And the reclocking when level state combination changes；Control chip 302 is connected with timer 301, control chip 302 also with
X Hall detection components 20 are connected, and control chip 302 is more than preset time threshold in the duration that any number of level state combines
Motor rotation blockage is judged during value.
That is, x Hall detection components 20 match the magnetic pole total number of magnet ring 10 and the width of each magnetic pole staggers
The x road feels induction signal that predetermined angle, i.e. x Hall detection components 20 export respectively staggers preset phase angle successively, thus same
Moment can form different level state combinations.Control chip 302 is by detecting the duration that each level state combines
It is no exceed preset time threshold i.e. can determine whether motor whether stall.Thus, stagger arrangement is distributed using multiple Hall detection components, can entered
One step shortens detection time at double, can reach the effect for reducing detection time at double.
Specifically, when motor rotates, the runner assembly of motor drives the synchronous axial system of magnet ring 10, x Hall detection group
Part 20 is fixed, and the N magnetic poles and S magnetic poles on magnet ring 10 are alternately across x Hall detection components 20, x Hall detection components
20 produce the low and high level pulse train that dutycycle is 50% respectively.
Two neighboring Hall detection components 20 stagger according to d=360 ° of above-mentioned formula/(P+Q)/x+n*2*360 °/(P+Q)
Predetermined angle, correspondingly, two neighboring Hall detection components 20 can obtain differing the waveform at 180 °/x phase angles.Thus, it is possible to
A cycle in the waveform of every road is divided into the combination of 2x kinds level state, also, the duration tn of every kind of level state combination
Be any road signal high level state or low level state duration 1/x, i.e. tn=1/r/p/x, wherein, r is magnetic
The rotating speed of ring 10, when magnet ring is arranged on travelling gear, the rotating speed of magnet ring 10 can be according to the rotating speed and gear transmission velocity ratio of motor
It is calculated, when motor is stepper motor and magnet ring is arranged on drive shaft, the rotating speed of magnet ring 10 can be according to step angle and driving
Pulse period is calculated.Thus, stagger arrangement is distributed using multiple Hall detection components, can further shortens detection time at double,
Detection time can be reduced how many times for example with how many individual Hall sensors.
As shown in fig. 7, with x=3, exemplified by d=35 °, three Hall detection components 20 are exportable respectively to lag 60 ° of phase angles
Three road waveforms, i.e. Hall detection components 20B output waveform lag 60 ° relative to Hall detection components 20A output waveform, suddenly
Your detection components 20C output induced signal lags 60 ° relative to Hall detection components 20B output waveform.Thus, it is possible to handle
A cycle is divided into six kinds of level states combinations in per road waveform, i.e. six kinds of level states combinations are respectively 100,110,
111st, 011,001,000, wherein, 1 represents high level, and 0 represents low level, also, the duration of every kind of level state combination
Tn be any road signal high level or low level state duration 1/3, tn=1/r/p/3, wherein r is magnet ring 10
Rotating speed, improve three times so as to detection sensitivity.
When motor occurs stall and stopped operating, magnetic pole corresponding to each Hall detection components 20 no longer changes, so
The output level of each Hall detection components 20 can be continuously high level or be continuously low level.As shown in figure 8, motor is in t1
Moment occurs stall and recovered at the t2 moment, and tn is the duration of every kind of level state combination, and td is preset time threshold,
When stall occurs, the level state that three road waveforms remain current is constant, is determined as that motor is sent out when the duration being more than td
Raw stall.Wherein, preset time threshold td=k*tn, k span are 1-4, preferably 1.5.
As described above, the utility model embodiment detection motor whether stall method it is as follows：
The open detection function of control chip 302 when motor rotates, and control timer 301 to start timing, control chip
302 can gather the induced signal that x Hall detection components 20 export, when low and high level saltus step occurs for any one road feel induction signal
When control timer 301 reset, control chip 302 can determine whether the clocking value of timer 301 is more than preset time threshold td,
If the clocking value of timer 301 is more than preset time threshold td, judge that stall occurs for motor, the output of control chip 302 is stifled
Rotation protection signal, stop operating or rotate backward with actuating motor protection act, such as controlled motor；If timer 301
Clocking value is less than or equal to preset time threshold td, then judges that stall does not occur for motor, control chip 302 can control motor to continue just
To rotation.
In addition, according to a specific embodiment of the present utility model, as shown in figure 9, the power supply of x Hall detection components 20
End is connected by first resistor R1 with default power supply VCC such as+5V, the earth terminal ground connection of x Hall detection components 20, x
Equal first electric capacity C1 in parallel between the power end of Hall detection components 20 and earth terminal, wherein, each Hall detection components 20
The pole change of test side reaction magnetic ring, induced signal corresponding to the output end output of each Hall detection components 20.
Further, as shown in figure 9, the motor rotation blockage detection means of air conditioner also includes x output circuit 40, x defeated
The output end for going out circuit 40 with x Hall detection components 20 is connected, and each output circuit 40 includes：The electricity of second resistance R2 and the 3rd
Resistance R3, second resistance R2 and 3rd resistor R3 are connected in series, and the second resistance R2 and 3rd resistor R3 of series connection one end are with presetting
Power supply VCC is connected, and the second resistance R2 and 3rd resistor R3 of the series connection other end and control unit 30 are the phase of control chip 302
Even, there is node between the second resistance R2 and 3rd resistor R3 of series connection, the output of node and corresponding Hall detection components 20
End is connected.
Wherein, second resistance R2 is pull-up resistor, and 3rd resistor R3 is current-limiting resistance.
Powered that is, each Hall detection components 20 can be 5V, so as to each 20 exportable width of Hall detection components
It is worth the low and high level pulse train for 5V, each low and high level pulse train is supplied to control unit by corresponding output circuit
30, the duration that control unit 30 can combine to the level state of x roads low and high level pulse train carries out timing, and passes through
Whether the multilevel iudge motor of timing time and preset time threshold occurs stall.
To sum up, the motor rotation blockage detection means of the air conditioner proposed according to the utility model embodiment, examined by x Hall
The pole change for surveying component reaction magnetic ring when the runner assembly of motor rotates generates x road feel induction signals with corresponding, and then controls
Unit judges the state of motor according to x induced signal, so as to effectively judge whether motor occurs stall, in order to timely
Take rotation of the corresponding measure to motor to be adjusted, avoid damaging mechanism, and pass through magnet ring and multiple Hall detection groups
Part can shorten detection time, lift detection sensitivity.Also, the device space-consuming is few, cost is cheap, is easily installed, uses
It is long lifespan, reliable and stable.
The door-plate that the air conditioner of the utility model another aspect embodiment proposition is described with reference to Figure 10-12 controls system
System.
Figure 10 is the block diagram according to the door-plate control system of the air conditioner of the utility model embodiment.As Figure 10-
Shown in 12, the door-plate control system of air conditioner includes；The motor rotation blockage detection means 200 of motor 100 and air conditioner.
Wherein, motor 100 is used for the door-plate 300 for driving air conditioner.Specifically, have slidably on the cabinet-type air conditioner of air conditioner
Door-plate 300, when air conditioner starts, the control device of air conditioner can drive door-plate 300 open by motor 100, work as air-conditioning
The control device of air conditioner can drive door-plate 300 to close by motor 100 when device is closed, so as to lift the aesthetics of product.Its
In, when door-plate 300 is one, door-plate 300 can be opened to side；When door-plate 300 is two, door-plate 300 can be opened to both sides.
According to a specific example of the present utility model, motor 100 can be stepper motor.
The motor rotation blockage detection means 200 of air conditioner be used for detect motor 100 whether stall, whether to judge door-plate 300
Run into barrier.
Specifically, motor rotation blockage detection means 200 may include magnet ring, x Hall detection components and control unit.Magnet ring is consolidated
It is scheduled on the runner assembly of motor 100, P N magnetic pole and Q S magnetic pole is full of on the face of magnetizing of magnet ring, wherein, P, Q are more than 1
Integer；X Hall detection components are fixedly installed close to magnet ring, such as are fixedly installed in air conditioner body, x Hall inspection
The pole change for surveying component reaction magnetic ring when the runner assembly of motor 100 rotates generates x road feel induction signals with corresponding, and x is big
In 1 integer；Control unit judges the state of motor 100 according to x induced signal.
Based on this, when door-plate 300 moves to enabling direction or shutdown direction, the runner assembly of motor 100 drives magnet ring
Synchronous axial system, N magnetic poles and S magnetic poles on magnet ring export respectively alternately across x Hall detection components, x Hall detection components
Stable low and high level pulse train, dutycycle 50%.
The magnetic pole total number of x Hall detection components matching magnet ring and the width of each magnetic pole stagger predetermined angle, i.e. x
The x road feels induction signal that Hall detection components export respectively staggers preset phase angle successively, thus synchronization can be formed it is different
Level state combines.
When door-plate 300 blocks, such as there is foreign matter to block door-plate 300 or when finger is stretched in wherein accidentally, motor 100
Stop operating, magnetic pole corresponding to each Hall detection components no longer changes, and the output level of each Hall detection components can continue
For high level or it is continuously low level.Control unit is by detecting whether the duration that each level state combines exceedes in advance
If time threshold i.e. can determine whether motor whether stall so that door-plate control system judges whether door-plate 300 runs into barrier.
Whether thereby, it is possible to effective detection door-plate 300 runs into barrier, and shortens detection time, can quickly obtain door-plate
Retardance information, accomplish the effect of the i.e. detectable retardance of slight touching, so as to take the motion of corresponding strategy end of door plate to enter in time
Row adjustment, avoids that mechanism is caused to damage, while improve user experience satisfaction.
To sum up, the door-plate control system of the air conditioner proposed according to the utility model embodiment, passes through above-mentioned motor rotation blockage
Detection means can determine whether door-plate runs into barrier, so as to effectively judge whether door-plate runs into barrier, in order to and
When take the movement of corresponding measure end of door plate to be adjusted, avoid damaging mechanism, and pass through magnet ring and multiple Halls and detect
Component can shorten detection time, lift detection sensitivity, prevent from damaging user such as clamping finger, lift user's
Experience.Also, the device space-consuming is few, cost is cheap, be easily installed, service life is long, reliable and stable.
The another aspect embodiment of the utility model proposes a kind of air conditioner, includes the motor of the air conditioner of above-described embodiment
Rotation-blocking up detection device.
The air conditioner proposed according to the utility model embodiment, can be effective by above-mentioned motor rotation blockage detection means
Judge whether motor occurs stall, and detection sensitivity is high, space-consuming is few, cost is cheap, be easily installed, service life is long,
It is reliable and stable.
The utility model another further aspect embodiment proposes a kind of air conditioner, includes the door-plate of the air conditioner of above-described embodiment
Control system.
The air conditioner proposed according to the utility model embodiment, by above-mentioned door-plate control system, effectively judges door-plate
Whether barrier is run into, and detection sensitivity is high, space-consuming is few, cost is cheap, be easily installed, service life is long, stably may be used
Lean on, prevent from damaging user the experience for such as clamping finger, lifting user.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements, limited unless otherwise clear and definite.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (16)
- A kind of 1. motor rotation blockage detection means of air conditioner, it is characterised in that including：Magnet ring, the magnet ring are fixed on the runner assembly of motor, and P N magnetic pole and Q S are full of on the face of magnetizing of the magnet ring Magnetic pole, wherein, P, Q are the integer more than 1；X Hall detection components, the x Hall detection components are fixedly installed close to the magnet ring, the x Hall detection group The pole change that part senses the magnet ring when the runner assembly of the motor rotates generates x road feel induction signals with corresponding, and x is big In 1 integer；Control unit, described control unit are connected with the x Hall detection components, and described control unit is according to described x sense Induction signal judges the state of the motor.
- 2. the motor rotation blockage detection means of air conditioner according to claim 1, it is characterised in that wherein, the motor Runner assembly is travelling gear or drive shaft.
- 3. the motor rotation blockage detection means of air conditioner according to claim 2, it is characterised in that wherein, the magnet ring Centre is provided with fixing hole, to pass through the runner assembly riveted of the fixing hole and the motor.
- 4. the motor rotation blockage detection means of air conditioner according to claim 2, it is characterised in that the face of magnetizing of the magnet ring For magnet ring peripheral side or magnet ring internal end surface.
- 5. the motor rotation blockage detection means of air conditioner according to claim 1, it is characterised in that wherein, the N magnetic poles and The quantity of the S magnetic poles is equal, and the equal N magnetic poles of quantity are arranged at intervals one by one with the S magnetic poles.
- 6. the motor rotation blockage detection means of air conditioner according to claim 1, it is characterised in that the P N magnetic poles and institute Q S magnetic pole is stated to set in a manner of wide.
- 7. the motor rotation blockage detection means of air conditioner according to claim 1, it is characterised in that the x Hall detection Component staggers predetermined angle according to the number sum of the N magnetic poles and the S magnetic poles.
- 8. the motor rotation blockage detection means of air conditioner according to claim 7, it is characterised in that determined according to below equation The predetermined angle：D=360 °/(P+Q)/x+n*2*360 °/(P+Q)Wherein, d is the predetermined angle, and P is the number of the N magnetic poles, and Q is the number of the S magnetic poles, and x examines for the Hall The number of component is surveyed, n is any positive integer.
- 9. the motor rotation blockage detection means of air conditioner according to claim 1, it is characterised in that the x Hall detection The power end of component is connected by first resistor with default power supply, the earth terminal ground connection of the x Hall detection components, described Equal first electric capacity in parallel between the power end of x Hall detection components and earth terminal, wherein, the detection of each Hall detection components End senses the pole change of the magnet ring, induced signal corresponding to the output end output of each Hall detection components.
- 10. the motor rotation blockage detection means of air conditioner according to claim 9, it is characterised in that also including x output electricity Road, the x output circuit are connected with the output end of the x Hall detection components, and each output circuit includes：The second resistance and 3rd resistor of series connection, the second resistance of the series connection and one end of 3rd resistor and the default power supply It is connected, the second resistance of the series connection and the other end of 3rd resistor are connected with described control unit, the second electricity of the series connection There is node between resistance and 3rd resistor, the node is connected with the output end of corresponding Hall detection components.
- 11. the motor rotation blockage detection means of air conditioner according to claim 1, it is characterised in that the Hall detection group Part is fixed in the air conditioner body.
- 12. the motor rotation blockage detection means of air conditioner according to claim 1, it is characterised in that the Hall detection group Part generates the first induced signal in face N magnetic poles, and the second induced signal is generated in face S magnetic poles, and the x road feels should be believed Number construct the combination of y kinds level state, y>X, described control unit include：Timer, based on timer duration of every kind of level state combination used in the y kinds detection state carries out When, and the reclocking when level state combination changes；Control chip, the control chip are connected with the timer, and the control chip combines in any number of level state Duration judges the motor rotation blockage when being more than preset time threshold.
- 13. the motor rotation blockage detection means of air conditioner according to claim 12, it is characterised in that wherein, the level The quantity y of combinations of states is 2 times of the quantity x of the induced signal.
- A kind of 14. door-plate control system of air conditioner, it is characterised in that including；Motor, the motor are used for the door-plate for driving the air conditioner；The motor rotation blockage detection means of air conditioner according to any one of claim 1-13, the motor of the air conditioner block up Turn detection means be used for detect the motor whether stall, to judge whether the door-plate runs into barrier.
- 15. a kind of air conditioner, it is characterised in that the motor including the air conditioner according to any one of claim 1-13 blocks up Turn detection means.
- A kind of 16. air conditioner, it is characterised in that the door-plate control system including air conditioner according to claim 14.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014258.6U CN207073919U (en) | 2017-01-05 | 2017-01-05 | Air conditioner and its motor rotation blockage detection means and door-plate control system |
| PCT/CN2017/118012 WO2018126909A1 (en) | 2017-01-05 | 2017-12-22 | Air conditioner and detection control device and method for moving parts in air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014258.6U CN207073919U (en) | 2017-01-05 | 2017-01-05 | Air conditioner and its motor rotation blockage detection means and door-plate control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207073919U true CN207073919U (en) | 2018-03-06 |
Family
ID=61513216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720014258.6U Withdrawn - After Issue CN207073919U (en) | 2017-01-05 | 2017-01-05 | Air conditioner and its motor rotation blockage detection means and door-plate control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207073919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705392A (en) * | 2017-01-05 | 2017-05-24 | 广东美的制冷设备有限公司 | Air conditioner and motor stalling detection device and door panel control system thereof |
-
2017
- 2017-01-05 CN CN201720014258.6U patent/CN207073919U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705392A (en) * | 2017-01-05 | 2017-05-24 | 广东美的制冷设备有限公司 | Air conditioner and motor stalling detection device and door panel control system thereof |
| CN106705392B (en) * | 2017-01-05 | 2022-03-25 | 广东美的制冷设备有限公司 | Air conditioner and motor locked rotor detection device and door plant control system thereof |
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