CN206002675U - Magnetic Sensor integrated circuit, electric machine assembly and application apparatus - Google Patents
Magnetic Sensor integrated circuit, electric machine assembly and application apparatus Download PDFInfo
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- CN206002675U CN206002675U CN201620535353.6U CN201620535353U CN206002675U CN 206002675 U CN206002675 U CN 206002675U CN 201620535353 U CN201620535353 U CN 201620535353U CN 206002675 U CN206002675 U CN 206002675U
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- 238000001514 detection method Methods 0.000 claims abstract description 56
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- 238000004804 winding Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000036772 blood pressure Effects 0.000 claims description 3
- 230000002085 persistent effect Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
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- 238000000429 assembly Methods 0.000 claims 7
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- 241001125929 Trisopterus luscus Species 0.000 description 11
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- 230000005669 field effect Effects 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
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- 239000000696 magnetic material Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
- G01R33/0029—Treating the measured signals, e.g. removing offset or noise
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
This utility model embodiment is open to be used for Magnetic Sensor integrated circuit, electric machine assembly and application apparatus.Magnetic Sensor integrated circuit includes magnetic field detection circuit and output control circuit.Magnetic field detection circuit is used for detecting the rotor field of motor and accordingly exporting magnetic field detection information.Output control circuit includes first switch and second switch.First switch and output port are connected in the first current path.Second switch and output port are connected in the second current path in opposite direction with described first current path.First switch and second switch selectively turn under the control of magnetic field detection information, thus the power supply mode of controlled motor.The Magnetic Sensor integrated circuit of this utility model embodiment is extended to the function of existing Magnetic Sensor, can reduce integrated circuit cost, improves circuit reliability.
Description
Technical field
This utility model is related to magnetic field detection technology field, more particularly, to Magnetic Sensor integrated circuit.
Background technology
Magnetic Sensor is widely used in modern industry and electronic product to measure electric current, position, side with induced field intensity
To etc. physical parameter.Electromechanics trade is an important applied field of Magnetic Sensor, in the motor, can be made with Magnetic Sensor
Rotor magnetic pole position senses.
In prior art, Magnetic Sensor is typically only capable to export field detection result, also needs to additionally arrange during specific works
Peripheral circuit, is processed to described field detection result, therefore integrated circuit is relatively costly, reliability is poor.
Utility model content
This utility model embodiment one side provides a kind of Magnetic Sensor integrated circuit for motor control, including shell
Body, located at the semiconductor chip in housing, the electronic circuit on described semiconductor chip and the input stretched out from housing
Port and output port.Described electronic circuit includes magnetic field detection circuit, and the rotor field for detecting described motor is simultaneously corresponding
Output magnetic field detection information；And output control circuit, including first switch and second switch, described first switch is defeated with described
Exit port is connected in the first current path, and described second switch and described output port are connected to and described first current path
In the second current path in opposite direction, described first switch and second switch select under the control of described magnetic field detection information
Property ground conducting, thus controlling the power supply mode of described motor.
Preferably, described output control circuit includes push-pull output circuit, described first switch and second switch are complementation
Semiconductor switch, the electric current of described first switch flows into end and is connected with a high voltage, the electric current outflow end of second switch and
One low voltage connects, and the control end of first switch and second switch is each connected with the outfan of magnetic field detection circuit, both
Common port be connected with described output port.
Preferably, described magnetic field detection circuit is powered by the first power supply, described output control circuit is by electric with described first
The different second source in source is powered.
Preferably, the meansigma methodss of the output voltage of described first power supply are less than the average of the output voltage of described second source
Value.
Preferably, described input port includes the input port for connecting external ac power source, described output control electricity
Road is configured to the change in polarity and described magnetic field detection information based on described alternating current power supply, so that described integrated circuit is at least made
Described first current path conducting first state and make described second current path conducting the second state between switch.
Optionally, described output control circuit is configured to, at least based on described magnetic field detection information, make described integrated electricity
Road is at least between the first state making described first current path conducting and the second state making described second current path conducting
Switch immediately.
Optionally, described output control circuit is configured to, at least based on described magnetic field detection information, make described integrated electricity
Road is in the first state making described first current path conducting and the second state wherein making described second current path conducting
Individual state switches to another state after terminating certain interval of time.
Preferably, described output control circuit is configured in described alternating current power supply be positive half period and described rotor field
For the first polarity or described alternating current power supply is negative half-cycle and described rotor field polarity is and described first polarity phase for polarity
The second anti-polarity chron, makes described output port flow through load current, when described alternating current power supply is positive half period and described rotor
Polarity of the magnetic field is the second polarity or described alternating current power supply is negative half-cycle and rotor field polarity is the first polarity chron, makes institute
State output port no-load current to flow through.
Optionally, described output control circuit is configured to described alternating current power supply is positive half period and described rotor field pole
Property be the first polarity or described alternating current power supply be negative half-cycle and described rotor field polarity is the whole of described second polarity
Electric current is had to flow through in persistent period section.
Optionally, described output control circuit is configured to described alternating current power supply is positive half period and described rotor field pole
Property be negative half-cycle and described rotor field polarity is described second polarity chron only portion for the first polarity or described alternating current power supply
Electric current is had to flow through in time segment.
Optionally, described magnetic field detection circuit and output control circuit are powered by identical DC source.
The another aspect of this utility model embodiment provides a kind of electric machine assembly, including motor and motor-drive circuit, institute
State motor-drive circuit and there is above-mentioned Magnetic Sensor integrated circuit.
Preferably, described motor-drive circuit also include and described motor be series at double between external ac power source two ends
Guide opens up pass, and the control end that the output port of described Magnetic Sensor integrated circuit is switched with described two-way admittance is connected.
Preferably, described motor includes stator and p-m rotor, described stator include stator core and be wound in described fixed
Single-phase winding on son iron core.
Preferably, described motor is single-phase permanent-magnet synchronous motor, described rotor includes at least one block permanent magnet, described stator
Form uneven magnetic circuit and p-m rotor between, make described p-m rotor its pole axis when static inclined with respect to the central shaft of stator
Move an angle, after described stator winding electrifying described rotor in steady-state process with the rotating speed constant-speed operation of 60f/p circle/minute,
Wherein f is the frequency of described alternating current power supply, and p is the number of pole-pairs of described rotor.
Preferably, described electric machine assembly also includes reducing transformer, for being supplied to described magnetic by after described alternating current power supply blood pressure lowering
Sensor IC.
Preferably, the output control circuit of described Magnetic Sensor integrated circuit is configured in described alternating current power supply be just half
The magnetic field of cycle and described rotor be the magnetic field that the first polarity or described alternating current power supply are negative half-cycle and described rotor be with
Described first opposite polarity second polarity chron, makes described two-way admittance switch conduction, when described alternating current power supply is negative half-cycle
And described rotor is described first polarity, or described alternating current power supply is positive half period and described rotor is the second polarity chron, makes
Described two-way admittance switch cut-off.
Preferably, described output control circuit be configured to described alternating current power supply output signal be located at positive half period and
The magnetic field of described rotor is the first polarity chron, and control electric current flows to described two-way admittance switch by described output port, and in institute
Stating the signal of alternating current power supply output, to be located at the magnetic field of negative half-cycle and described rotor be the second polarity chron, and control electric current is by described double
Guide opens up pass and flows to described output port.
The another further aspect of this utility model embodiment provides a kind of equipment with above-mentioned electric machine assembly.
Preferably, described application apparatus includes pump, fan, household electrical appliance or vehicle.
The Magnetic Sensor integrated circuit of this utility model embodiment is extended to the function of existing Magnetic Sensor, can drop
Low integrated circuit cost, improves circuit reliability.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the Magnetic Sensor integrated circuit that Fig. 1 is provided by one embodiment of this utility model；
The structural representation of the Magnetic Sensor integrated circuit that Fig. 2 is provided by another embodiment of this utility model；
The structure of output control circuit in the Magnetic Sensor integrated circuit that Fig. 3 is provided by one embodiment of this utility model
Schematic diagram；
Fig. 3 A is that one kind of the output control circuit of Fig. 3 implements circuit；
The knot of output control circuit in the Magnetic Sensor integrated circuit that Fig. 4 is provided by another embodiment of this utility model
Structure schematic diagram；
Fig. 5 is the structural representation of the Magnetic Sensor integrated circuit of this utility model further embodiment；
Fig. 6 is the structural representation of the Magnetic Sensor integrated circuit of another embodiment of this utility model；
Fig. 7 is the structural representation of the rectification circuit of this utility model embodiment Magnetic Sensor integrated circuit；
Fig. 8 is the structural representation of the magnetic field detection circuit of Magnetic Sensor integrated circuit of this utility model embodiment；
The circuit module figure of the electric machine assembly that Fig. 9 is provided by one embodiment of this utility model；
In the electric machine assembly that Figure 10 is provided by one embodiment of this utility model, the structural representation of motor.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Elaborate a lot of details in the following description in order to fully understand this utility model, but this practicality is new
Type can also be different from alternate manner described here to implement using other, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case of new intension, therefore this utility model is not limited by following public specific embodiment.
Below so that described Magnetic Sensor Application of integrated circuit is in the motor as a example, this utility model embodiment is provided
Magnetic Sensor integrated circuit illustrates.
With reference to shown in Fig. 1, this utility model embodiment provides a kind of Magnetic Sensor integrated circuit, including housing 2, located at
Semiconductor chip (not shown) in housing, the electronic circuit on described semiconductor chip and stretch out from housing
Input port A1, A2 and output port Pout.Described electronic circuit includes：
Magnetic field detection circuit 20, for detecting the rotor field of motor and accordingly exporting magnetic field detection information；And
Output control circuit 30, including first switch and second switch, described first switch is connected with described output port
In the first current path, described second switch and described output port are connected in opposite direction with described first current path
In second current path, described first switch and second switch selectively turn under the control of described magnetic field detection information,
Thus controlling the power supply mode of described motor.In this utility model embodiment, it is not intended to limit the first current path and the second electric current
Path has on all four path, and both can have different paths, as long as the sense of current flowing through output port is contrary
?.
In an embodiment of the present utility model, with reference to shown in Fig. 2, described magnetic field detection circuit 20 is by the first power supply 40
Power supply, described output control circuit 30 is powered by the second source 50 different from described first power supply 40.Preferably, the first power supply
40 can be the constant DC source of amplitude stability, and second source 50 can be DC source or the width of amplitude change
It is worth constant DC source.The meansigma methodss of the output voltage of the first power supply 40 are less than the meansigma methodss of second source 50 output voltage.
Powered to magnetic field detection circuit 20 using less power supply, the power consumption of described integrated circuit can be reduced, using larger power supply
Output port can be made to provide higher load current to output control circuit 30 power supply, to ensure that integrated circuit has enough
Driving force.It is appreciated that in a further embodiment, magnetic field detection circuit 20 and output control circuit 40 can also be by phases
Same DC source is powered.
In an embodiment of the present utility model, with reference to shown in Fig. 3, output control circuit includes push-pull type output electricity
Road, first switch 31 and second switch 32 are the semiconductor switch of a pair of complementation.Wherein, first switch 31 electric current flow into end with
One high voltage connects, and the electric current outflow end of second switch 32 is connected with a low voltage, first switch 31 and second switch 32
Control end be each connected with the outfan of magnetic field detection circuit, both common ports are connected with output port Pout.
In an instantiation, as shown in Figure 3A, first switch 31 and second switch 32 are the metal oxygen of a pair of complementation
Compound semiconductor field effect transistor (MOSFET).P-type MOSFET that described first switch 31 turns on for low level, described second
Switch 32 is N-type MOSFET of high level conducting, and wherein, described first switch 31 is connected to first with described output port Pout
In current path, described second switch 32 is connected in the second current path with described output port Pout, described first switch
31 and the control ends of described second switch 32 two switch be all connected with magnetic field detection circuit 20, the current input terminal of first switch 31
Connect high voltage (such as second source), current output terminal is connected with the current input terminal of second switch 32, second switch 32
Current output terminal connects low voltage (such as).If the magnetic field detection information of described magnetic field detection circuit 20 output is low level,
First switch 31 turns on, and second switch 32 disconnects, load current from high voltage through first switch 31 and output port Pout to
Outer outflow, if the magnetic field detection information of described magnetic field detection circuit 20 output is high level, second switch 32 turns on, first switch
31 disconnections, load current flows into output port Pout and flows through second switch 32 from outside.
It is understood that in other embodiments, first switch and second switch can also other kinds of partly be led
Body switch, for example can also be junction field effect transistor (JFET) or metal semiconductor field effect transis (MESFET) etc. other
Effect transistor.
With reference to shown in Fig. 4, in another embodiment of the present utility model, described first switch 31 turns on for high level
Switching tube, described second switch 32 is one-way conduction diode, and the negative electrode of the control end of first switch 31 and second switch 32 is even
Connect magnetic field detection circuit 20.The current input terminal of first switch 31 connects second source 50, the current output terminal of first switch 31
It is all connected with output port Pout with the anode of second switch 32.Wherein, described first switch 31 and described output port Pout
It is connected in the first current path, described output port Pout, described second switch 32 are connected with described magnetic field detection circuit 20
In the second current path, if the magnetic field detection information of described magnetic field detection circuit 20 output is high level, first switch 31 is led
Logical, second switch 32 disconnects, and load current flows outwardly from second source 50 through first switch 31 and output port Pout, if institute
The magnetic field detection information stating magnetic field detection circuit 20 output is low level, and second switch 32 turns on, and first switch 31 disconnects, load
Electric current flows into output port Pout and flows through second switch 32 from outside.It is appreciated that in other embodiment of the present utility model
In, described first switch 31 and described second switch 32 can also be other structures, and this utility model does not limit to this, tool
Body depends on the circumstances.
In an embodiment of the present utility model, described input port includes the input for connecting external ac power source
Port, described output control circuit 30 is configured to the change in polarity and described magnetic field detection information based on described alternating current power supply,
Described integrated circuit is made at least in the first state making described first current path conducting and to make described second current path conducting
The second state between switch.
What deserves to be explained is, in this utility model embodiment, Magnetic Sensor integrated circuit is in first state and the second state
Between switchover operation however it is not limited to one of state switches to the situation of another state immediately after terminating, also include wherein one
Individual state terminates the situation that rear separated in time switches to another state again.In one preferably application example, two
In the interval time of state switching, the output port of Magnetic Sensor integrated circuit no exports.
Further, described output control circuit 30 is configured in described alternating current power supply is positive half period and described magnetic field
Testing circuit 20 detects that described rotor field polarity is the first polarity chron, or described alternating current power supply is negative half-cycle and described magnetic
Field testing circuit 20 detects that described rotor field polarity is second polarity chron opposite polarity with described first, makes described outfan
Mouth flows through load current, and when described alternating current power supply, for positive half period and rotor field polarity is the second polarity, or described exchange
For negative half-cycle and rotor field polarity is the first polarity chron to power supply, so that described output port no-load current is flow through.It is worth saying
Bright, for positive half period and external magnetic field is the first polarity to alternating current power supply, or alternating current power supply is negative half-cycle and outside magnetic
Be the second polarity chron, described output port flow through load current both included defeated in above-mentioned two situations whole persistent period section
Exit port has the situation that load current flows through, and also including in above-mentioned two situations output port only in part-time section has load
The situation that electric current flows through.
In an embodiment of the present utility model, described input port can include connecting the first of external ac power source
Input port and the second input port.Described integrated circuit also includes the alternating current for exporting described external ac power source 70
Be converted to the rectification circuit 60 of DC source.In this utility model, input port connect external power source both included input port with
The situation that external power source two ends are directly connected to, also includes input port and external loading is serially connected with the situation at external power source two ends,
This utility model does not limit to this, specifically depends on the circumstances.
Preferably, with reference to shown in Fig. 5, described integrated circuit is also included positioned at described rectification circuit 60 and described magnetic field detection
Voltage regulator circuit 80 between circuit 20, in the present embodiment, rectification circuit 60 can be used as second source 50, voltage regulator circuit
80 can be used as the first power supply 40.The DC source that described voltage regulator circuit 80 is used for exporting described rectification circuit 60 is adjusted to
Relatively low DC source.Output control circuit 30 can be powered by the output voltage of rectification circuit 60, and magnetic field detection circuit 20 can be by
The output voltage of voltage regulator circuit 80 is powered.
In a specific embodiment of the present utility model, with reference to shown in Fig. 6, described rectification circuit 60 includes：All-wave is whole
Stream bridge 61 and voltage regulation unit 62, wherein, the alternating current that described full-wave rectification bridge 61 is used for exporting described alternating current power supply 70 turns
Change unidirectional current into, the unidirectional current that described voltage regulation unit 62 is used for exporting described full-wave rectification bridge 61 is stablized in values
Interior.
Fig. 7 illustrates a kind of physical circuit of rectification circuit 60, and wherein, voltage regulation unit 62 includes being connected to full-wave rectification bridge 61
Two outfans between Zener diode 621, described full-wave rectification bridge 61 includes：First diode 611 of series connection and the
3rd diode 613 of two diodes 612 and series connection and the 4th diode 614；Described first diode 611 and described second
The common port of diode 612 is electrically connected with described first input port VAC+；Described 3rd diode 613 and described four or two pole
The common port of pipe 614 is electrically connected with described second input port VAC-；
Wherein, the input of described first diode 611 and the input of described 3rd diode 613 are electrically connected to form entirely
The ground connection outfan of ripple rectifier bridge, the outfan of described second diode 612 and the outfan of described 4th diode 614 are electrically connected
Meet the voltage output end VDD forming full-wave rectification bridge, Zener diode 621 is connected to described second diode 612 and the 4th 2
Between the common port of pole pipe 614 and described first diode 611 and the common port of described 3rd diode 613.New in this practicality
In type embodiment, the power supply terminal of described output control circuit 30 can be electrically connected with the voltage output end of full-wave rectification bridge 61.
In an embodiment of the present utility model, as shown in figure 8, described magnetic field detection circuit 20 includes：Magnetic field detection
Element 21, for detecting external magnetic field and converting thereof into the signal of telecommunication；Signal processing unit 22, for putting to this signal of telecommunication
Go greatly to disturb；And AD conversion unit 23, for the signal of telecommunication after amplifying and going to disturb is converted to described magnetic field detection
Information, for the application only needing the polarity of the magnetic field identifying external magnetic field, described magnetic field detection information can be switching mode
Digital signal.Field sensing component 21 can be preferably Hall Plate.
With reference to a concrete application, the Magnetic Sensor integrated circuit that this utility model embodiment is provided is retouched
State.
As shown in figure 9, this utility model embodiment additionally provides a kind of electric machine assembly, described electric machine assembly includes：By one
Two-way admittance switch 300 that the motor 200 of alternating current power supply 100 power supply connect with described motor 200 and according to this practicality newly
The Magnetic Sensor integrated circuit 400 that any of the above-described embodiment of type is provided.The output port of described Magnetic Sensor integrated circuit 400
Electrically connect with the control end of described two-way admittance switch 300.Preferably, two-way admittance switch 300 can be that three terminal bidirectional is controlled
Transwitch (TRIAC).It is appreciated that two-way admittance switch also can be realized by other kinds of suitable switch, for example, can wrap
Include two thyristors of reverse parallel connection, and corresponding control circuit is set, according to the outfan of Magnetic Sensor integrated circuit
The output signal of mouth controls this two thyristors through described control circuit according to predetermined way.
Preferably, described electric machine assembly also includes reduction voltage circuit 500, for providing after the blood pressure lowering of described alternating current power supply 100
To described Magnetic Sensor integrated circuit 400.Magnetic Sensor integrated circuit 400 is installed near the rotor of motor 200 to perceive rotor
Changes of magnetic field.
In a specific embodiment of the present utility model, described motor is synchronous motor it will be understood that this utility model
Magnetic Sensor integrated circuit be applicable not only to synchronous motor, be also applied for other kinds of magneto for example brush DC electricity
Machine.As shown in Figure 10, described synchronous motor include stator and can relative stator rotation rotor 11.Stator has stator core 12
And it is set around the stator winding 16 in stator core 12.Stator core 12 can be by pure iron, cast iron, cast steel, electrical sheet, silicon steel etc.
Soft magnetic materials is made.Rotor 11 has permanent magnet, when stator winding 16 is connected with alternating current power supply rotor 11 steady-state process with
The rotating speed constant-speed operation of 60f/p circle/minute, wherein f is the frequency of described alternating current power supply, and p is the number of pole-pairs of rotor.The present embodiment
In, stator core 12 has two relative pole portions 14.Each pole portion has polar arc face 15, the outer surface of rotor 11 and polar arc face 15
Relatively, form substantially uniform air gap between the two.Substantially homogeneous air gap alleged by the application, refers to big portion between stator and rotor
Divide and form even air gap, only fewer parts is non-homogeneous air gap.Preferably, the polar arc face 15 in stator poles portion sets rising of indent
Dynamic groove 17, on polar arc face 15, the part in addition to starting groove 17 is then concentric with rotor.Above-mentioned configuration can form non-uniform magnetic field, protects
Card rotor its pole axis S1 when static tilts an angle it is allowed to motor is in integrated circuit with respect to the central shaft S2 in stator poles portion
In the presence of when being energized every time rotor can have starting torque.The pole axis S1 of wherein rotor refers to the different magnetic of two polarity of rotor
Demarcation line between pole, the central shaft S2 in stator poles portion 14 refers to the line through two Ji Bu 14 centers of stator.In the present embodiment,
Stator and rotor are respectively provided with two magnetic poles.It should be understood that in more embodiments, the number of magnetic poles of stator and rotor can not also
Equal, and there are more magnetic poles, such as four, six etc..
In a preferred embodiment, two-way admittance switch 300 adopts triac (TRIAC), rectification
Circuit 60 adopts the circuit shown in Fig. 7, and output control circuit adopts the circuit shown in Fig. 3, and in output control circuit 30, first opens
Close the voltage output end of 31 current input terminal connection full-wave rectification bridge 61, the current output terminal connection all-wave of second switch 32 is whole
The ground connection outfan of stream bridge 61.Positioned at positive half period and described magnetic field detection circuit 20 is defeated for the signal exporting when alternating current power supply 100
When going out low level, in output control circuit 30, first switch 31 turns on and second switch 32 disconnects, and electric current flows successively through alternating current
Source 100, motor 200, the first input end of integrated circuit 400, reduction voltage circuit (not shown), the of full-wave rectification bridge 61
Two diode 612 outfan, the first switch 31 of output control circuit 30, flow to two-way admittance from output port and switch 300 times
To alternating current power supply 100.After TRIAC300 conducting, the series arm quilt of reduction voltage circuit 500 and Magnetic Sensor integrated circuit 400 formation
Short circuit, Magnetic Sensor integrated circuit 400 stop because of unpowered voltage export, and TRIAC300 due to flow through two anode it
Between electric current sufficiently large (maintaining electric current higher than it), between control pole and its first anode no in the case of driving current,
TRIAC300 remains on.Positioned at negative half-cycle and described magnetic field detection circuit 20 is defeated for the signal exporting when alternating current power supply 100
When going out high level, in output control circuit 30, first switch 31 disconnects and second switch 32 turns on, and electric current flows from alternating current power supply 100
Go out, from two-way admittance switch 300 inflow output ports, second switch 32 through output control circuit 30, full-wave rectification bridge 61
Ground connection outfan and the first diode 611, the first input end of integrated circuit 400, motor 200 return to alternating current power supply 100.With
Sample, after TRIAC300 conducting, Magnetic Sensor integrated circuit 400 stops output short-circuit because being shorted, and TRIAC300 then can protect
Hold conducting.When the signal of alternating current power supply 100 output is located at positive half period and described magnetic field detection circuit 20 output high level, or
The signal of alternating current power supply 100 output is located at negative half-cycle and described magnetic field detection circuit 20 exports low level, output control circuit
In 30, first switch 31 and second switch 32 all can not turn on, and TRIAC300 ends.Thus, described output control circuit 30 can base
In change in polarity and the magnetic field detection information of alternating current power supply 100, described integrated circuit is made to control two-way admittance switch 300 with predetermined
Mode switches between conducting and cut-off state, and then controls the step mode of stator winding 16, makes the change magnetic that stator produces
The magnetic field position of field cooperation rotor, only drags rotor rotation along single direction, thus rotor has when ensureing that motor is energized every time
Fixing direction of rotation.
In the electric machine assembly of another embodiment of this utility model, motor can be series at outside with two-way admittance switch
Between alternating current power supply two ends, motor switchs, with two-way admittance, connect the first series arm being formed and reduction voltage circuit and Magnetic Sensor
The second series arm that integrated circuit is formed is in parallel.The output port of Magnetic Sensor integrated circuit is connected with two-way admittance switch,
Control two-way admittance switch to switch between conducting and cut-off state in a predefined manner, and then control the energising side of stator winding
Formula.
Electric machine assembly in this utility model embodiment can be used for but is not limited to pump, fan, household electrical appliance, Che Dengshe
In standby, described household electrical appliance can be for example washing machine, dish-washing machine, smoke exhaust ventilator, exhaust fan etc..
It should be noted that, although this utility model embodiment is so that described Application of integrated circuit is in the motor as a example to carry out
Illustrate, but the application of integrated circuit that this utility model embodiment is provided is not limited to this.
In this specification, various pieces are described by the way of going forward one by one, and what each some importance illustrated is and other parts
Difference, between various pieces identical similar portion mutually referring to.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation are made a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
There is any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to contain
Comprising of lid nonexcludability, wants so that including a series of process of key elements, method, article or equipment and not only including those
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element that limited by sentence "including a ..." it is not excluded that
Also there is other identical element including in the process of described key element, method, article or equipment.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or new using this practicality
Type.Multiple modifications to these embodiments will be apparent from for those skilled in the art, is determined herein
The General Principle of justice can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, this utility model is not intended to be limited to embodiment illustrated herein, and is to fit to and principles disclosed herein and new
The consistent scope the widest of clever feature.
Claims (20)
1. a kind of Magnetic Sensor integrated circuit for motor control is it is characterised in that include housing, partly leading in housing
Body substrate, the electronic circuit on described semiconductor chip and the input port stretching out from housing and output port；Described
Electronic circuit includes：
Magnetic field detection circuit, for detecting the rotor field of described motor and accordingly exporting magnetic field detection information；And
Output control circuit, including first switch and second switch, described first switch and described output port are connected to first
In current path, described second switch and described output port are connected to second electricity in opposite direction with described first current path
In logical circulation road, described first switch and second switch selectively turn on, thus controlling under the control of described magnetic field detection information
Make the power supply mode of described motor.
2. Magnetic Sensor integrated circuit according to claim 1 is it is characterised in that described output control circuit includes recommending
Output circuit, described first switch and the semiconductor switch that second switch is a pair of complementation, the electric current of described first switch flows into
End is connected with a high voltage, and the electric current outflow end of second switch is connected with a low voltage, first switch and second switch
Control end is each connected with the outfan of magnetic field detection circuit, and both common ports are connected with described output port.
3. Magnetic Sensor integrated circuit according to claim 1 is it is characterised in that described magnetic field detection circuit is by the first electricity
Source powers, and described output control circuit is powered by the second source different from described first power supply.
4. Magnetic Sensor integrated circuit according to claim 3 is it is characterised in that the output voltage of described first power supply
Meansigma methodss are less than the meansigma methodss of the output voltage of described second source.
5. Magnetic Sensor integrated circuit according to claim 1 is it is characterised in that described input port is included for connecting
The input port of external ac power source, described output control circuit is configured to change in polarity and institute based on described alternating current power supply
State magnetic field detection information, make described integrated circuit at least in the first state making described first current path conducting and make described the
Switch between the second state of two current path conductings.
6. Magnetic Sensor integrated circuit according to claim 1 is it is characterised in that described output control circuit is configured to
At least based on described magnetic field detection information, make described integrated circuit at least in the first shape making described first current path conducting
State and make described second current path conducting the second state between switch immediately.
7. Magnetic Sensor integrated circuit according to claim 1 is it is characterised in that described output control circuit is configured to
At least based on described magnetic field detection information, described integrated circuit is made in the first state making described first current path conducting and to make
The one of state of second state of described second current path conducting switches to another state after terminating certain interval of time.
8. Magnetic Sensor integrated circuit according to claim 5 is it is characterised in that described output control circuit is configured to
In described alternating current power supply, for positive half period and described rotor field polarity is the first polarity or described alternating current power supply is negative half period
Phase and described rotor field polarity is second polarity chron opposite polarity with described first, described output port is made to flow through load electricity
Stream, when described alternating current power supply, for positive half period and described rotor field polarity is the second polarity or described alternating current power supply is negative
Half period and rotor field polarity are the first polarity chron, so that described output port no-load current is flow through.
9. Magnetic Sensor integrated circuit according to claim 8 is it is characterised in that described output control circuit is configured to
For positive half period and described rotor field polarity is the first polarity or described alternating current power supply is negative half-cycle for described alternating current power supply
And described rotor field polarity is to have electric current to flow through in the whole persistent period section of described second polarity.
10. Magnetic Sensor integrated circuit according to claim 8 is it is characterised in that described output control circuit is configured
For described alternating current power supply, for positive half period and described rotor field polarity is the first polarity or described alternating current power supply is negative half period
Phase and described rotor field polarity are to have electric current to flow through in described second polarity chron only part-time section.
11. Magnetic Sensor integrated circuits according to claim 1 are it is characterised in that described magnetic field detection circuit and output
Control circuit is powered by identical DC source.
A kind of 12. electric machine assemblies it is characterised in that including motor and motor-drive circuit, described motor-drive circuit have as
Magnetic Sensor integrated circuit described in any one of claim 1 to 11.
13. electric machine assemblies as claimed in claim 12 are it is characterised in that described motor-drive circuit also includes and described motor
It is series at the two-way admittance switch between external ac power source two ends；The output port of described Magnetic Sensor integrated circuit with described
The control end of two-way admittance switch connects.
14. electric machine assemblies according to claim 13 are it is characterised in that described motor includes stator and p-m rotor, institute
State stator to include stator core and be wound in the single-phase winding in described stator core.
15. electric machine assemblies according to claim 14 it is characterised in that described motor be single-phase permanent-magnet synchronous motor, institute
State rotor and include at least one block permanent magnet, form uneven magnetic circuit between described stator and p-m rotor, make described p-m rotor
When static, with respect to one angle of distortion of stator, after described stator winding electrifying, described rotor is in stable state for its pole axis
Stage, wherein f was the frequency of described alternating current power supply with the rotating speed constant-speed operation of 60f/p circle/minute, and p is the extremely right of described rotor
Number.
16. electric machine assemblies according to claim 13, it is characterised in that described electric machine assembly also includes reducing transformer, are used for
It is supplied to described Magnetic Sensor integrated circuit by after described alternating current power supply blood pressure lowering.
17. electric machine assemblies according to claim 13 are it is characterised in that the output control of described Magnetic Sensor integrated circuit
The magnetic field that it is positive half period and described rotor in described alternating current power supply that circuit is configured to is the first polarity or described alternating current
Source is second polarity chron opposite polarity with described first for the magnetic field of negative half-cycle and described rotor, so that described two-way admittance is opened
Close conducting, for negative half-cycle and described rotor is described first polarity when described alternating current power supply, or described alternating current power supply is just
Half period and described rotor are the second polarity chron, make described two-way admittance switch cut-off.
18. electric machine assemblies according to claim 17 are it is characterised in that described output control circuit is configured to described
The signal of alternating current power supply output is located at positive half period and the magnetic field of described rotor is the first polarity chron, and control electric current is by described output
Port flows to described two-way admittance switch, and the signal exporting in described alternating current power supply is located at the magnetic of negative half-cycle and described rotor
Field is the second polarity chron, and control electric current flows to described output port by described two-way admittance switch.
A kind of 19. application apparatus with electric machine assembly as described in any one of claim 12 to 18.
20. application apparatus according to claim 19 are it is characterised in that described application apparatus includes pump, fan, household electric
Device or vehicle.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNPCT/CN2015/086422 | 2015-08-07 | ||
| PCT/CN2015/086422 WO2016019921A1 (en) | 2014-08-08 | 2015-08-07 | Motor assembly and integrated circuit for motor drive |
| CN2016102702756 | 2016-04-26 | ||
| CN201610270275 | 2016-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206002675U true CN206002675U (en) | 2017-03-08 |
Family
ID=58183221
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610392242.9A Expired - Fee Related CN106452210B (en) | 2014-08-08 | 2016-06-02 | Magnetic sensor integrated circuit, motor assembly and application equipment |
| CN201620535353.6U Expired - Fee Related CN206002675U (en) | 2015-08-07 | 2016-06-02 | Magnetic Sensor integrated circuit, electric machine assembly and application apparatus |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610392242.9A Expired - Fee Related CN106452210B (en) | 2014-08-08 | 2016-06-02 | Magnetic sensor integrated circuit, motor assembly and application equipment |
Country Status (3)
| Country | Link |
|---|---|
| CN (2) | CN106452210B (en) |
| BR (1) | BR102016018038A2 (en) |
| MX (1) | MX2016010224A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3068848B1 (en) * | 2017-07-06 | 2019-08-23 | Alstom Transport Technologies | CIRCUIT FOR PROTECTING AGAINST SWITCHING CIRCUITS FOR TRANSISTOR SIC OR GAN MOSFET AND ASSOCIATED METHOD |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5322704A (en) * | 1976-08-16 | 1978-03-02 | Hitachi Ltd | Rotation damping device of tu rntable |
| US4307325A (en) * | 1980-01-28 | 1981-12-22 | Black & Decker Inc. | Digital control system for electric motors in power tools and the like |
| US6097127A (en) * | 1996-08-22 | 2000-08-01 | Rivera; Nicholas N. | Permanent magnet direct current (PMDC) machine with integral reconfigurable winding control |
| US7173388B1 (en) * | 2005-11-14 | 2007-02-06 | Power Logic Tech. Inc. | Drive control device for brushless motor |
| CN102480199A (en) * | 2010-11-29 | 2012-05-30 | 余虹锦 | Hybrid excitation brushless single phase synchronous generator with novel structure |
| CA2891550C (en) * | 2012-11-14 | 2017-08-15 | Qm Power, Inc. | Divided phase ac synchronous motor controller |
| GB201304269D0 (en) * | 2013-03-08 | 2013-04-24 | Dyson Technology Ltd | Drive circuit for a brushless motor |
-
2016
- 2016-06-02 CN CN201610392242.9A patent/CN106452210B/en not_active Expired - Fee Related
- 2016-06-02 CN CN201620535353.6U patent/CN206002675U/en not_active Expired - Fee Related
- 2016-08-03 BR BR102016018038-4A patent/BR102016018038A2/en not_active Application Discontinuation
- 2016-08-05 MX MX2016010224A patent/MX2016010224A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN106452210B (en) | 2020-11-06 |
| BR102016018038A2 (en) | 2017-09-26 |
| CN106452210A (en) | 2017-02-22 |
| MX2016010224A (en) | 2018-02-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 |