CN205982594U - Magnetic sensor integrated circuit , motor element and application apparatus - Google Patents
Magnetic sensor integrated circuit , motor element and application apparatus Download PDFInfo
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- CN205982594U CN205982594U CN201620533622.5U CN201620533622U CN205982594U CN 205982594 U CN205982594 U CN 205982594U CN 201620533622 U CN201620533622 U CN 201620533622U CN 205982594 U CN205982594 U CN 205982594U
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- 238000001514 detection method Methods 0.000 claims abstract description 89
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- 238000007689 inspection Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 6
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- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000036772 blood pressure Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 6
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- 238000004891 communication Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
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- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 230000002085 persistent effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
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Classifications
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- 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
-
- 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
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Rectifiers (AREA)
- Inverter Devices (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model discloses a magnetic sensor integrated circuit, motor element and application apparatus, integrated circuit is including locating the electronic circuit on the semiconductor chip and the input port who stretches out from the casing, an output port and the 2nd output port. The electronic circuit includes magnetic field detection circuit and output control circuit. Magnetic field detection circuit is used for detecting the external magnetic field and generates magnetic field detection information. An output port will magnetic field detection information to the outside output of casing. Output control circuit be used for at least based on magnetic field detection information makes integrated circuit is at oneself the 2nd output port to the first state of outside outflow electric current and from outside to the 2nd output port flows into at least one state of second state operation down of electric current. The utility model discloses magnetic sensor integrated circuit can reduce whole circuit cost, the improved circuit reliability to current magnetic sensor's function expand.
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.It is an important applied field of Magnetic Sensor in electromechanics trade, in the motor, Magnetic Sensor can be used
Make rotor magnetic pole position sensing.
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, including housing, in housing
Semiconductor chip, the electronic circuit on described semiconductor chip and the input port stretching out from housing, the first outfan
Mouth and the second output port, described electronic circuit includes：
Magnetic field detection circuit, for detecting external magnetic field and generating magnetic field detection information, described first output port and institute
State magnetic field detection circuit to connect, described magnetic field detection information is exported to described hull outside；And
Output control circuit, at least based on described magnetic field detection information, making described integrated circuit from described second
Output port flows out the first state of electric current and from outside the second state to described second output port inflow current to outside
Run under at least one state.
Preferably, described magnetic field detection circuit includes：
Field sensing component, for detecting external magnetic field and converting thereof into the signal of telecommunication；
Signal processing unit, for being amplified to the described signal of telecommunication disturbing；And
AD conversion unit, for being converted to described magnetic field detection information, institute by the signal of telecommunication after amplifying and going to disturb
The outfan stating AD conversion unit is connected with described output control circuit and described first output port.
Preferably, described magnetic field detection information is switching mode digital signal.
Preferably, described integrated circuit has including described input port, the first output port and the second output port
At least four ports stretched out from described housing.
Preferably, described integrated circuit only has four ports from described housing.
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, makes described integrated circuit at least in institute
State switching between first state and described second state.
Preferably, described output control circuit includes first switch and second switch, described first switch and described second
Output port is connected in the first current path, and described second switch and described second output port are connected to and the described first electricity
In logical circulation road the second current path in opposite direction, described first switch and second switch are in the control of described magnetic field detection information
Under selectively turn on.
Preferably, described output control circuit have from described output pin flow outwardly electric current the first current path,
Flow inward into the second current path of electric current from described output pin and be connected to described first current path and the second electric current
Switch in the one of path of path, described switch is controlled by the magnetic field detection information of described magnetic field detection circuit output, makes
Obtain the first current path and the conducting of the second current path selectivity.
Preferably, described output control circuit is configured in described alternating current power supply be positive half period and described magnetic field detection
External magnetic field polarity described in electric circuit inspection is the first polarity or described alternating current power supply is negative half-cycle and described magnetic field detection electricity
Road detects that described external magnetic field polarity is second polarity chron opposite polarity with described first, so that described second output port is flow through
Load current, when described alternating current power supply, for positive half period and external magnetic field polarity is the second polarity, or described alternating current power supply is
Negative half-cycle and external magnetic field polarity are the first polarity chron, so that described second output port no-load current is flow through, described first
Output port exports the magnetic field detection information characterizing described external magnetic field polarity to described hull outside.
Preferably, described input port includes the first input port for connecting external ac power source and the second input
Mouthful, and for the alternating current of described external ac power source output is converted to galvanic rectification circuit.
Preferably, described integrated circuit also includes voltage regulator circuit, described voltage regulator circuit is used for described rectification
The first voltage of circuit output is adjusted to second voltage, and wherein, described first voltage is the power supply electricity of described output control circuit
Pressure, described second voltage is the supply voltage of described magnetic field detection circuit, and the meansigma methodss of described first voltage are more than described second
The meansigma methodss of voltage.
This utility model embodiment another aspect provides a kind of electric machine assembly, including motor and motor-drive circuit, described
Motor-drive circuit has 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 second 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 sub- iron core.
Preferably, described electric machine assembly also includes reducing transformer, carry for after the output voltage blood pressure lowering by described alternating current power supply
Supply described Magnetic Sensor integrated circuit.
Preferably, described Magnetic Sensor integrated circuit is configured in described alternating current power supply be positive half period and described magnetic field
Testing circuit detects that the magnetic field of described p-m rotor is the first polarity or described alternating current power supply is negative half-cycle and described magnetic field
Testing circuit detects that the magnetic field of described p-m rotor is second polarity chron opposite polarity with described first, makes described two-way admittance
Switch conduction, when described alternating current power supply, for negative half-cycle and p-m rotor is described first polarity, or described alternating current power supply is
Positive half period and described p-m rotor are the second polarity chron, make described two-way admittance switch cut-off.
Preferably, described Magnetic Sensor integrated circuit is configured to be located at positive half cycle in the signal of described alternating current power supply output
The magnetic field of phase and described p-m rotor is the first polarity chron, and control electric current flows to described two-way admittance by described integrated circuit and opens
Close, and the signal in the output of described alternating current power supply is located at negative half-cycle and the magnetic field of described p-m rotor is and described first polarity
The second contrary polarity chron, control electric current flows to described integrated circuit by described two-way admittance switch.
This utility model embodiment another further aspect provides a kind of application apparatus with above-mentioned electric machine assembly.
Preferably, described application apparatus is 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.
Fig. 1 is the structural representation of the Magnetic Sensor integrated circuit of one embodiment of this utility model；
Fig. 2 is the structural representation of the electronic circuit of Magnetic Sensor integrated circuit of another embodiment of this utility model；
In the Magnetic Sensor integrated circuit that Fig. 3 is provided by one embodiment of this utility model, described output control circuit
Structural representation；
In the Magnetic Sensor integrated circuit that Fig. 4 is provided by another embodiment of this utility model, described output control electricity
The structural representation on road；
In the Magnetic Sensor integrated circuit that Fig. 5 is provided by another embodiment of this utility model, described output control electricity
The structural representation on road；
In the Magnetic Sensor integrated circuit that Fig. 5 A is provided by another embodiment of this utility model, described output control electricity
The structural representation on road；
The structural representation of the Magnetic Sensor integrated circuit that Fig. 6 is provided by this utility model further embodiment；
The structural representation of rectification circuit in the Magnetic Sensor integrated circuit that Fig. 7 is provided by this utility model embodiment；
Fig. 8 is a kind of physical circuit figure of rectification circuit in Fig. 7；
The structure of magnetic field detection circuit in the Magnetic Sensor integrated circuit that Fig. 9 is provided by one embodiment of this utility model
Schematic diagram；
The structural representation of the electric machine assembly that Figure 10 is provided by one embodiment of this utility model；
The structural representation of motor in the electric machine assembly that Figure 11 is provided by one embodiment of this utility model.
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.
As shown in figure 1, this utility model embodiment provides a kind of Magnetic Sensor integrated circuit, including housing 2, located at shell
Semiconductor chip (not shown) in body 2, the electronic circuit on described semiconductor chip and stretch out from housing 2
Input port A1 and A2, the first output port B1 and the second output port B2, described electronic circuit includes：
Magnetic field detection circuit 20, for detecting external magnetic field and generating magnetic field detection information, described first output port B1
It is connected with described magnetic field detection circuit 20, described magnetic field detection information is exported to described hull outside；And
Output control circuit 30, at least based on described magnetic field detection information, making described integrated circuit from described
Two output port B2 to the outside first state flowing out electric current and from outside to described second output port B2 inflow current the
Run under at least one state of two-state.
On the basis of above-described embodiment, in a preferred embodiment of the present utility model, described output control circuit
30 are configured at least based on described magnetic field detection information, make described integrated circuit from described second output port to outside stream
Go out the first state of load current and switch fortune between outside the second state flowing into load current to described second output port
OK, described outflow electric current and inflow current are all through described rectification circuit.But this utility model does not limit to this, specifically regard
Depending on situation.
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.
In another embodiment of the present utility model, as shown in Fig. 2 described electronic circuit also includes the first power supply 40 He
Second source 50.Described magnetic field detection circuit 20 is powered by the first power supply 40, and described output control circuit 30 is by with described first
The different second source of power supply 40 50 is powered.Preferably, the meansigma methodss of the output voltage of described first power supply 40 are less than described the
The meansigma methodss of two power supply 50 output voltage, it should be noted that being powered to magnetic field detection circuit 20 using the less power supply of power consumption,
The power consumption of described integrated circuit can be reduced, can be made to output control circuit 30 power supply using the larger power supply of power consumption second defeated
Exit port B2 provides higher load current, to ensure that integrated circuit has enough driving forces.
On the basis of above-described embodiment, in an embodiment of the present utility model, described output control circuit 30 wraps
Include first switch and second switch, described first switch and described second output port are connected in described first current path,
Described second switch and described second output port are connected to second current path in opposite direction with described first current path
In, described first switch and second switch selectively turn under the control of described magnetic field detection information.Preferably, described
One switch can be audion, and described second switch can be audion or diode, and this utility model does not limit to this,
Depend on the circumstances.
In an instantiation of the present utility model, as shown in figure 3, described first switch 31 turns on for low level, institute
State second switch 32 to turn on for high level, wherein, described first switch 31 and described second output port B2 are connected to the first electricity
In logical circulation road, described second switch 32 is connected in the second current path with described second output port B2, 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 DC 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, and load current is from high voltage through first switch 31 and the second output port B2
Flow outwardly, if the magnetic field detection information of described magnetic field detection circuit 20 output is high level, second switch 32 turns on, and first opens
Close 31 disconnections, load current flows into the second output port B2 and flows through second switch 32 from outside.
In another embodiment of the present utility model, as shown in figure 4, described first switch 31 is opening that high level turns on
Guan Guan, 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 connects
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 and
The anode of second switch 32 is all connected with the second output port B2.Wherein, described first switch 31 and described second output port
B2 is connected in the first current path, described second output port B2, described second switch 32 and described magnetic field detection circuit 20
It is connected 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 conductings, second switch 32 disconnects, load current from second source 50 through first switch 31 and the second output port B2 to outflow
Go out, if the magnetic field detection information of described magnetic field detection circuit 20 output is low level, second switch 32 turns on, and first switch 31 is broken
Open, load current flows into the second output port B2 and flows through second switch 32 from outside.It is appreciated that of the present utility model its
In his embodiment, described first switch 31 and described second switch 32 can also be other structures, and this utility model is to this not
Limit, specifically depend on the circumstances.
In another embodiment of the present utility model, described output control circuit 30 has outside from described output pin
Flow out the first current path of electric current, flow inward into the second current path of electric current from described output pin and be connected to institute
State the switch in the first current path and the one of path of the second current path, described switch is defeated by described magnetic field detection circuit
The magnetic field detection information going out controls so that the first current path and the second current path selectivity turn on.Preferably, described first
Switch is not set in current path and the second current path other in which path.
Implement as one kind, as shown in figure 5, described output control circuit 30 includes a unidirectional conducting switch 33, single
Guide opens up pass 33 and the second output port B2 is connected in the first current path, and its current input terminal can connect magnetic field detection electricity
The outfan on road 20, the outfan of magnetic field detection circuit 20 also can be connected to and described through resistance R1 and the second output port B2
In one current path the second current path in opposite direction.Unidirectional conducting switch 33 is led when magnetic field induction signal is for high level
Logical, load current flows outwardly through unidirectional conducting switch 33 and the second output port B2, and described magnetic field induction signal is low level
When unidirectional conducting switch 33 disconnect, load current flows into the second output port B2 and flows through resistance R1 and magnetic field detection electricity from outside
Road 20.Substitute as a kind of, the resistance R1 in described second current path can also replace with reverse with unidirectional conducting switch 33
Another unidirectional conducting switch in parallel.So, more balance from the output port load current flowing out and the load current flowing into.
In another kind implements, as shown in Figure 5A, described output control circuit 30 includes differential concatenation in magnetic field inspection
Diode D1 and D2 between the outfan of the slowdown monitoring circuit 20 and output port Pout electricity in parallel with diode D1 and D2 connecting
Resistance R1 and be connected to resistance R2 between the common port of diode D1 and D2 and power Vcc, wherein, the negative electrode of diode D1
It is connected with the outfan of magnetic field detection circuit 20.Power Vcc can connect the voltage output end of rectification circuit.Diode D1 is by magnetic
Field detection information controls.The diode D1 cut-off when magnetic field detection information is high level, load current is through resistance R2 and diode
D2 flows outwardly from output port Pout, and when described magnetic field detection information is low level, load current flows into outfan from outside
Mouth Pout simultaneously flows through resistance R1 and magnetic field detection circuit 20.
On the basis of any of the above-described embodiment, in an embodiment of the present utility model, described input port includes
For connecting first input port A1 and the second input port A2 of external ac power source, described output control circuit 30 is based on institute
State the change in polarity of alternating current power supply and described magnetic field detection information, make described integrated circuit at least in described first state and described
Switch between the second state.Optionally, described magnetic field detection circuit 20 is identical with the power supply of described output control circuit 30.
On the basis of above-described embodiment, in an embodiment of the present utility model, described output control circuit 30 quilt
Being configured in described alternating current power supply is that positive half period and described magnetic field detection circuit 20 detect that described external magnetic field polarity is first
Polarity chron, or described alternating current power supply be negative half-cycle and described magnetic field detection circuit 20 detect described external magnetic field polarity be with
Described first opposite polarity second polarity chron, makes described second output port flow through load current, when described alternating current power supply is
Positive half period and external magnetic field polarity are the second polarity, or described alternating current power supply is negative half-cycle and external magnetic field polarity is the
One polarity chron, makes described second output port no-load current flow through.What deserves to be explained is, alternating current power supply is positive half period and outer
Portion magnetic field is the first polarity, or alternating current power supply be negative half-cycle and external magnetic field be the second polarity chron, described second outfan
Mouthful flowing through load current and both having included the second output port in above-mentioned two situations whole persistent period section has load current to flow through
Situation, also including in above-mentioned two situations the second output port in only part-time section has the situation that load current flows through.
On the basis of above-described embodiment, in an embodiment of the present utility model, described input port can include
Connect first input port A1 and the second input port A2 of external ac power source.In this utility model, input port connects outer
Portion's power supply had both included the situation that input port is directly connected to external power source two ends, also includes input port and concatenates with external loading
In the situation at external power source two ends, this utility model does not limit to this, specifically depends on the circumstances.As shown in fig. 6, in this reality
With, in a new embodiment, described integrated circuit also includes being converted to for the alternating current exporting external ac power source 70
Galvanic rectification circuit 60.
It should be noted that in this utility model embodiment, described rectification circuit 60 connects output control circuit 30, institute
State output control circuit 30 to can be used at least based on described magnetic field detection information, make described integrated circuit defeated from described second
Exit port flows into the of load current to the outside first state flowing out load current with from outside to described second output port
Run under two-state at least one of which state.
On the basis of above-described embodiment, in a preferred embodiment of the present utility model, described integrated circuit also wraps
Include the voltage regulator circuit 80 between described rectification circuit 60 and described magnetic field detection circuit 20, in the present embodiment, rectification
Circuit 60 can be used as second source 50, and voltage regulator circuit 80 can be used as the first power supply 40, and described voltage regulator circuit 80 is used for
The first voltage that described rectification circuit 60 is exported is adjusted to second voltage, and wherein, described second voltage is described magnetic field detection
The supply voltage of circuit 20, described first voltage is the supply voltage of described output control circuit 30, and described first voltage
Meansigma methodss are more than the meansigma methodss of described second voltage, to reduce the power consumption of described integrated circuit, ensure that integrated circuit has simultaneously
Enough driving forces.
In a specific embodiment of the present utility model, as shown in fig. 7, described rectification circuit 60 includes：All wave rectification
Bridge 61 and the voltage regulation unit 62 being connected with the output of described full-wave rectification bridge 61, wherein, described full-wave rectification bridge 61 is used for will
The alternating current of described alternating current power supply 70 output is converted into unidirectional current, and described voltage regulation unit 62 is used for will be defeated for described full-wave rectification bridge 61
The unidirectional current going out is stablized in values.
Fig. 8 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.Need explanation
It is that, in this utility model embodiment, the power supply terminal of described output control circuit 30 can be defeated with the voltage of full-wave rectification bridge 61
Go out end electrical connection.
On the basis of any of the above-described embodiment, in an embodiment of the present utility model, as shown in figure 9, described magnetic
Field testing circuit 20 includes：Field sensing component 21, for detecting external magnetic field and converting thereof into the signal of telecommunication；Signal processing list
Unit 22, for being amplified to this signal of telecommunication disturbing；And AD conversion unit 23, for by after amplifying and going to disturb
The signal of telecommunication 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.In the present embodiment,
The outfan of AD conversion unit 23 is connected with output control circuit 30 and the first output port B1.Output control circuit 30 can
To process to magnetic field detection information in Magnetic Sensor IC interior, defeated needed for from the second output port B2 generation
Go out, and the external circuit that can be supplied to Magnetic Sensor integrated circuit from the magnetic field detection information of the first output port B1 output makes
With.
In a preferred embodiment, include the first input end for connecting external ac power source when described input port
When mouth and the second input port, the frequency of occurrences of described first state or the second state becomes ratio with the frequency of described alternating current power supply
Example.It is understood that this utility model is not limited to this.
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 10, this utility model embodiment additionally provides a kind of electric machine assembly, and described electric machine assembly includes：By one
The motor 200 of alternating current power supply 100 power supply；The two-way admittance switch 300 connected with described motor 200；And it is new according to this practicality
The Magnetic Sensor integrated circuit 400 that any of the above-described embodiment of type is provided, the second output of described Magnetic Sensor integrated circuit 400
Port B2 is electrically connected with the control end of described two-way admittance switch 300.Preferably, two-way admittance switch 300 can be that three ends are double
To reverse-blocking tetrode thyristor (TRIAC).It is appreciated that two-way admittance switch also can be realized by other kinds of suitable switch, such as
Two thyristors of reverse parallel connection can be included, and corresponding control circuit is set, according to Magnetic Sensor integrated circuit
The output signal of the second output port controls this two thyristors through described control circuit according to predetermined way.Preferably,
Described electric machine assembly also includes reduction voltage circuit 500, for being supplied to described Magnetic Sensor collection by after the blood pressure lowering of described alternating current power supply 100
Become circuit 400.Magnetic Sensor integrated circuit 400 is installed near the rotor of motor 200 to perceive the changes of magnetic field of rotor.
On the basis of above-described embodiment, in a specific embodiment of the present utility model, described motor is synchronous electricity
Machine, it will be understood that Magnetic Sensor integrated circuit of the present utility model is applicable not only to synchronous motor, is also applied for other kinds of
Magneto such as DC brushless motor.As shown in figure 11, described synchronous motor include stator and can relative stator rotation rotor
11.Stator has stator core 12 and is set around the stator winding 16 in stator core 12.Stator core 12 can be by pure iron, casting
The soft magnetic materials such as ferrum, cast steel, electrical sheet, silicon steel are made.Rotor 11 has permanent magnet, when stator winding 16 is connected with alternating current power supply
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 to rotor 11, and p is to turn
The number of pole-pairs of son.In the present embodiment, stator core 12 has two relative pole portions 14.Each pole portion has polar arc face 15, rotor
11 outer surface is relative with polar arc face 15, forms substantially uniform air gap between the two.Substantially homogeneous air gap alleged by the application, be
Specify most of formation even air gap between son and rotor, only fewer parts is non-homogeneous air gap.Preferably, stator poles portion
The starting groove 17 of indent is set on polar arc face 15, on polar arc face 15, the part in addition to starting groove 17 is then concentric with rotor.Above-mentioned join
Put and can form non-uniform magnetic field it is ensured that rotor its pole axis S1 when static tilts an angle with respect to the central shaft S2 in stator poles portion
Spend it is allowed to rotor can have starting torque when motor is energized in the presence of integrated circuit every time.The pole axis S1 of wherein rotor
Refer to the demarcation line between the different magnetic pole of two polarity of rotor, the central shaft S2 in stator poles portion 14 refers to through two pole of stator portion 14
The line at center.In the present embodiment, stator and rotor are respectively provided with two magnetic poles.It should be understood that in more embodiments, stator
Can also be unequal with the number of magnetic poles of rotor, and there are more magnetic poles, such as four, six etc..
On the basis of above-described embodiment, in an embodiment of the present utility model, described output control circuit 30 quilt
Being configured in described alternating current power supply 100 is positive half period and described magnetic field detection circuit 20 detects that the magnetic field of described p-m rotor is
For negative half-cycle and described magnetic field detection circuit 20 detects described p-m rotor for first polarity or described alternating current power supply 100
Magnetic field is second polarity chron opposite polarity with described first, makes the conducting of described two-way admittance switch 300.When described alternating current power supply
100 be negative half-cycle and p-m rotor be described first polarity, or described alternating current power supply 100 is positive half period and described permanent magnetism
Rotor is the second polarity chron, makes the cut-off of described two-way admittance switch 300.
Preferably, described output control circuit 30 is configured to be located at just half in the signal of described alternating current power supply 100 output
Cycle and described magnetic field detection circuit 20 detect that the magnetic field of described p-m rotor is the first polarity chron, and control electric current is by described integrated
Circuit flows to described two-way admittance switch 300, and the signal in the output of described alternating current power supply 100 is located at negative half-cycle and described magnetic
Testing circuit 20 detects that the magnetic field of described p-m rotor is second polarity chron opposite polarity with described first, control electric current by
Described two-way admittance switch 300 flows to described integrated circuit.It is appreciated that p-m rotor is the first magnetic polarity and alternating current power supply is
Positive half period, or p-m rotor is when to be the second magnetic polarity and alternating current power supply be negative half-cycle, and described integrated circuit flows out or flows
Enter the situation that electric current had both included having electric current to flow through in above-mentioned two situations whole persistent period section, also include above-mentioned two situations
Under only have the situation that electric current flows through in part-time section.
In one preferred embodiment of this utility model, two-way admittance switch 300 adopts triac
(TRIAC), rectification circuit 60 adopts the circuit shown in Fig. 8, and output control circuit adopts the circuit shown in Fig. 4, output control electricity
In road 30, the current input terminal of first switch 31 connects the voltage output end of full-wave rectification bridge 61, the electric current output of second switch 32
End connects the ground connection outfan of full-wave rectification bridge 61.When the signal of alternating current power supply 100 output is located at positive half period and described magnetic field
During testing circuit 20 output low level, in output control circuit 30, first switch 31 turns on and second switch 32 disconnects, electric current according to
Secondary flow through alternating current power supply 100, motor 200, the first input end of integrated circuit 400, reduction voltage circuit (not shown), all-wave
Second diode 612 outfan of rectifier bridge 61, the first switch 31 of output control circuit 30, double from the second output port flow direction
Guide opens up pass 300 and returns to alternating current power supply 100.
After TRIAC300 conducting, the series arm of reduction voltage circuit 500 and Magnetic Sensor integrated circuit 400 formation is shorted,
Magnetic Sensor integrated circuit 400 stops because of unpowered voltage exporting, and TRIAC300 is due to flowing through between two anode
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
Remain on.When the signal of alternating current power supply 100 output is located at negative half-cycle and described magnetic field detection circuit 20 output high level
When, in output control circuit 30, first switch 31 disconnects and second switch 32 turns on, and electric current flows out from alternating current power supply 100, from double
Guide opens up pass 300 inflow the second output port, the second switch 32 through output control circuit 30, the ground connection of full-wave rectification bridge 61
Outfan and the first diode 611, the first input end of integrated circuit 400, motor 200 return to alternating current power supply 100.Equally
, after TRIAC300 conducting, Magnetic Sensor integrated circuit 400 stops output short-circuit because being shorted, and TRIAC300 then can keep
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 hand over
The signal of stream power supply 100 output is located at negative half-cycle and described magnetic field detection circuit 20 exports low level, output control circuit 30
Middle first switch 31 and second switch 32 all can not turn on, and TRIAC300 ends.Thus, described output control circuit 30 can be based on
The change in polarity of alternating current power supply 100 and magnetic field detection information, make described integrated circuit control two-way admittance switch 300 with predetermined party
Formula switches between conducting and cut-off state, and then controls the step mode of stator winding 16, makes the variation magnetic field that stator produces
The magnetic field position of cooperation rotor, only drags rotor rotation along single direction, thus rotor has admittedly when ensureing that motor is energized every time
Fixed direction of rotation.
The Magnetic Sensor integrated circuit of embodiment of the present utility model has including input port, the first output port and
The port that at least four of two output ports stretch out from described housing.More preferably, only there is first input port, the second input
Mouth, the first output port and four ports of the second output port.
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 these entities or deposit between operating
In any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to
Comprising of 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 (19)
1. a kind of Magnetic Sensor integrated circuit it is characterised in that include housing, the semiconductor chip in housing, located at institute
State the electronic circuit on semiconductor chip and the input port stretching out from housing, the first output port and the second output port,
Described electronic circuit includes：
Magnetic field detection circuit, for detecting external magnetic field and generating magnetic field detection information, described first output port and described magnetic
Field testing circuit connects, and described magnetic field detection information is exported to described hull outside；And
Output control circuit, at least based on described magnetic field detection information, making described integrated circuit from the described second output
Port is to the outside first state flowing out electric current and oneself outside to the second state of described second output port inflow current at least
Run under one state.
2. integrated circuit according to claim 1 is it is characterised in that described magnetic field detection circuit includes：
Field sensing component, for detecting external magnetic field and converting thereof into the signal of telecommunication；
Signal processing unit, for being amplified to the described signal of telecommunication disturbing；And
AD conversion unit, for being converted to described magnetic field detection information, described mould by the signal of telecommunication after amplifying and going to disturb
The outfan of number converting unit is connected with described output control circuit and described first output port.
3. integrated circuit according to claim 2 is it is characterised in that described magnetic field detection information is switching mode numeral letter
Number.
4. integrated circuit according to claim 1 is it is characterised in that described integrated circuit has including described input
At least four ports stretched out from described housing of mouth, the first output port and the second output port.
5. integrated circuit according to claim 4 is it is characterised in that described integrated circuit only has four from described housing
Port.
6. integrated circuit according to claim 1 is it is characterised in that described input port is included for connecting external communication
The input port of power supply, described output control circuit is configured to change in polarity and the inspection of described magnetic field based on described alternating current power supply
Measurement information, makes described integrated circuit switch at least between described first state and described second state.
7. integrated circuit according to claim 1 is it is characterised in that described output control circuit includes first switch and
Two switches, described first switch and described second output port are connected in the first current path, described second switch with described
Second output port is connected in the second current path in opposite direction with described first current path, described first switch and
Two switches selectively turn under the control of described magnetic field detection information.
8. integrated circuit according to claim 1 is it is characterised in that described output control circuit has draws from described output
Foot flows outwardly the first current path of electric current, the second current path flowing inward into electric current from described output pin, Yi Jilian
It is connected on the switch in described first current path and the one of path of the second current path, described switch is by described magnetic field detection
The magnetic field detection information of circuit output controls so that the first current path and the second current path selectivity turn on.
9. integrated circuit according to claim 6 is it is characterised in that described output control circuit is configured in described friendship
For positive half period and external magnetic field polarity described in described magnetic field detection electric circuit inspection is the first polarity or described exchange to stream power supply
Power supply is negative half-cycle and external magnetic field polarity described in described magnetic field detection electric circuit inspection is opposite polarity with described first the
Two polarity chrons, make described second output port flow through load current, when described alternating current power supply is positive half period and external magnetic field pole
Property be the second polarity, or described alternating current power supply be negative half-cycle and external magnetic field polarity be the first polarity chron, make described second
Output port no-load current flows through, and described first output port exports to described hull outside and characterizes described external magnetic field polarity
Magnetic field detection information.
10. integrated circuit according to claim 1 is it is characterised in that described input port is included for connecting outside friendship
The first input port of stream power supply and the second input port, and for being converted to the alternating current of described external ac power source output
Galvanic rectification circuit.
11. integrated circuits according to claim 10 are it is characterised in that described integrated circuit also includes voltage-regulation electricity
Road, described voltage regulator circuit is used for for the first voltage of described rectification circuit output being adjusted to second voltage, wherein, described the
One voltage is the supply voltage of described output control circuit, and described second voltage is the supply voltage of described magnetic field detection circuit,
The meansigma methodss of described first voltage are more than the meansigma methodss of described second voltage.
A kind of 12. electric machine assemblies it is characterised in that including motor and motor-drive circuit, described motor-drive circuit have as
The arbitrary described Magnetic Sensor integrated circuit of claim 1 to 11.
13. electric machine assemblies according to claim 12 are it is characterised in that described motor-drive circuit also includes and described electricity
Machine is series at the two-way admittance switch between external ac power source two ends, the second output port of described Magnetic Sensor integrated circuit
It is connected with the control end of described two-way admittance switch.
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 on described stator core.
15. electric machine assemblies according to claim 14, it is characterised in that described electric machine assembly also includes reducing transformer, are used for
Described Magnetic Sensor integrated circuit will be supplied to after the output voltage blood pressure lowering of described alternating current power supply.
16. electric machine assemblies according to claim 14 are it is characterised in that described Magnetic Sensor integrated circuit is configured to
Described alternating current power supply be positive half period and p-m rotor described in described magnetic field detection electric circuit inspection magnetic field be the first polarity or
Described alternating current power supply is negative half-cycle and the magnetic field of p-m rotor described in described magnetic field detection electric circuit inspection is and described first pole
Property contrary the second polarity chron, make described two-way admittance switch conduction, when described alternating current power supply is negative half-cycle and p-m rotor
For described first polarity, or described alternating current power supply is positive half period and described p-m rotor is the second polarity chron, makes described double
Guide opens up pass cut-off.
17. electric machine assemblies according to claim 16 are it is characterised in that described Magnetic Sensor integrated circuit is configured to
The signal of described alternating current power supply output is located at positive half period and the magnetic field of described p-m rotor is the first polarity chron, control electric current by
Described integrated circuit flows to described two-way admittance switch, and positioned at negative half-cycle and described in the signal of described alternating current power supply output
The magnetic field of p-m rotor is second polarity chron opposite polarity with described first, and control electric current switchs flow direction by described two-way admittance
Described integrated circuit.
A kind of 18. application apparatus with described electric machine assembly as arbitrary in claim 12 to 17.
19. application apparatus as claimed in claim 18 it is characterised in that described application apparatus be pump, fan, household electrical appliance or
Person's vehicle.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2015/086422 WO2016019921A1 (en) | 2014-08-08 | 2015-08-07 | Motor assembly and integrated circuit for motor drive |
| CNPCT/CN2015/086422 | 2015-08-07 | ||
| CN201610204132 | 2016-04-01 | ||
| CN2016102041325 | 2016-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205982594U true CN205982594U (en) | 2017-02-22 |
Family
ID=58020475
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620532721.1U Expired - Fee Related CN205982593U (en) | 2015-08-07 | 2016-06-02 | Magnetic sensor integrated circuit , motor element and application apparatus |
| CN201610392329.6A Withdrawn CN106443511A (en) | 2014-08-08 | 2016-06-02 | Magnetic sensor integrated circuit, motor assembly and application device |
| CN201620533622.5U Expired - Fee Related CN205982594U (en) | 2015-08-07 | 2016-06-02 | Magnetic sensor integrated circuit , motor element and application apparatus |
| CN201610392349.3A Withdrawn CN106443512A (en) | 2014-08-08 | 2016-06-02 | Magnetic sensor integrated circuit, motor component and application equipment |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620532721.1U Expired - Fee Related CN205982593U (en) | 2015-08-07 | 2016-06-02 | Magnetic sensor integrated circuit , motor element and application apparatus |
| CN201610392329.6A Withdrawn CN106443511A (en) | 2014-08-08 | 2016-06-02 | Magnetic sensor integrated circuit, motor assembly and application device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610392349.3A Withdrawn CN106443512A (en) | 2014-08-08 | 2016-06-02 | Magnetic sensor integrated circuit, motor component and application equipment |
Country Status (4)
| Country | Link |
|---|---|
| JP (3) | JP2017090437A (en) |
| CN (4) | CN205982593U (en) |
| MX (2) | MX2016010157A (en) |
| TW (1) | TWM542142U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7061457B2 (en) * | 2017-12-22 | 2022-04-28 | ローム株式会社 | Magnetic sensors, semiconductor devices and electrical equipment |
| CN113517804B (en) * | 2021-07-13 | 2022-10-25 | 西安交通大学 | Synchronous performance monitoring circuit under IGBT series connection condition |
-
2016
- 2016-06-02 CN CN201620532721.1U patent/CN205982593U/en not_active Expired - Fee Related
- 2016-06-02 CN CN201610392329.6A patent/CN106443511A/en not_active Withdrawn
- 2016-06-02 CN CN201620533622.5U patent/CN205982594U/en not_active Expired - Fee Related
- 2016-06-02 CN CN201610392349.3A patent/CN106443512A/en not_active Withdrawn
- 2016-08-04 MX MX2016010157A patent/MX2016010157A/en unknown
- 2016-08-04 MX MX2016010149A patent/MX2016010149A/en unknown
- 2016-08-05 TW TW105211938U patent/TWM542142U/en not_active IP Right Cessation
- 2016-08-08 JP JP2016155510A patent/JP2017090437A/en active Pending
- 2016-08-08 JP JP2016155907A patent/JP2017053844A/en active Pending
- 2016-12-09 JP JP2016005895U patent/JP3211136U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017090437A (en) | 2017-05-25 |
| TWM542142U (en) | 2017-05-21 |
| MX2016010157A (en) | 2018-02-05 |
| JP2017053844A (en) | 2017-03-16 |
| CN106443512A (en) | 2017-02-22 |
| MX2016010149A (en) | 2018-02-05 |
| CN106443511A (en) | 2017-02-22 |
| CN205982593U (en) | 2017-02-22 |
| JP3211136U (en) | 2017-06-29 |
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| 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: 20170222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |