CN106443523A - Magnetic sensor integrated circuit, signal processing method thereof, motor assembly and application apparatus - Google Patents
Magnetic sensor integrated circuit, signal processing method thereof, motor assembly and application apparatus Download PDFInfo
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- CN106443523A CN106443523A CN201610387977.2A CN201610387977A CN106443523A CN 106443523 A CN106443523 A CN 106443523A CN 201610387977 A CN201610387977 A CN 201610387977A CN 106443523 A CN106443523 A CN 106443523A
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- magnetic field
- magnetic sensor
- integrated circuit
- state
- sensor integrated
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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
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/07—Hall effect devices
Abstract
The invention provides a magnetic sensor integrated circuit, a signal processing method thereof, a motor assembly and an application apparatus. The magnetic sensor integrated circuit includes a magnetic field detection circuit, an output control circuit, and a state control circuit, wherein the magnetic field detection circuit is used for detecting and outputting a magnetic field sensing signal matched with an external magnetic field; the output control circuit is connected between the magnetic field detection circuit and an output port; and the state control circuit is connected with the output control circuit, and is used for controlling the output control circuit. The signal processing method of the magnetic sensor integrated circuit includes the steps: when the magnetic sensor integrated circuit accords with a preset condition, enabling the output control circuit to give a response to the magnetic field sensing signal at least and to operate in at least one of the states including a first state that the load current flows out from the output port to the outside and a second state that the load current flows into the output port from the outside; and when the magnetic sensor integrated circuit does not accord with the preset condition, enabling the output control circuit to operate in a third state which prevents the first state and the second state.
Description
Technical field
The present invention relates to technical field of integrated circuits and in particular 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.
Content of the invention
Embodiment of the present invention one side provides a kind of signal processing method of Magnetic Sensor integrated circuit, including：
Detect and export the magnetic field induction signal matching with external magnetic field；
Control when described Magnetic Sensor integrated circuit meets predetermined condition described Magnetic Sensor integrated circuit depending at least on
Described magnetic field induction signal, in the output port from described Magnetic Sensor integrated circuit to outside the first shape flowing out load current
State and the operation under outside the second state at least one of which state flowing into load current to described output port, when described magnetic
When sensor IC is unsatisfactory for described predetermined condition, described Magnetic Sensor integrated circuit is controlled to stop described first state
Run with the third state of the second state.
Preferably, in above-mentioned signal processing method, described predetermined condition be described Magnetic Sensor integrated circuit from specific when
Carve time delay scheduled duration.
Preferably, in above-mentioned signal processing method, described particular moment is specific in described Magnetic Sensor integrated circuit
Voltage reaches the moment of set-point.
Preferably, in above-mentioned signal processing method, during the third state, described Magnetic Sensor integrated circuit is felt to described magnetic field
Induction signal no responds.
Preferably, in above-mentioned signal processing method, the third state is that the electric current of described output port is less than described load electricity
The a quarter of stream.
Preferably, in above-mentioned signal processing method, described detect and export match with external magnetic field magnetic field induction letter
Number include：
Detect and export the analog electrical signal matching with external magnetic field；
Analog electrical signal is amplified and go interference to process；
Analog electrical signal after amplifying and going interference to process is converted to described magnetic field induction signal, the sense of described magnetic field
Induction signal is switching mode data signal.
Preferably, determine whether described Magnetic Sensor integrated circuit meets predetermined condition in the following manner：When described magnetic
Specific voltage in sensor IC reach set-point after when start timing；If timing duration reaches scheduled duration, determine
Described Magnetic Sensor integrated circuit meets predetermined condition, otherwise, it determines described Magnetic Sensor integrated circuit is unsatisfactory for predetermined condition.
Embodiment of the present invention another aspect provides a kind of Magnetic Sensor integrated circuit, including：Housing, in housing half
Semiconductor substrate, the input port stretching out from described housing and output port and the electronic circuit on semiconductor chip, institute
State electronic circuit to include：
Magnetic field detection circuit, for detecting and exporting the magnetic field induction signal matching with external magnetic field；
It is connected to the output control circuit between described magnetic field detection circuit and described output port；
The state control circuit being connected with described output control circuit, described state control circuit is used for controlling described output
Control circuit, makes described output control circuit respond at least described magnetic when described Magnetic Sensor integrated circuit conforms to a predetermined condition
Field induced signal, is flowing out the first state of load current and from outside to described output port from described output port to outside
Flow into and run under the second state at least one of which state of load current, make described output when not meeting described predetermined condition
Control circuit is run under stoping the third state of described first state and the second state.
Preferably, in above-mentioned Magnetic Sensor integrated circuit, described output control circuit is configured to：When described Magnetic Sensor
When integrated circuit meets described predetermined condition, depending at least on described magnetic field induction signal so that described Magnetic Sensor integrated circuit
Switch between described first state and the second state.
Preferably, in above-mentioned Magnetic Sensor integrated circuit, described output control circuit operates in during the third state to described
Magnetic field induction signal no respond or described output port electric current be less than described load current a quarter.
Preferably, in above-mentioned Magnetic Sensor integrated circuit, described magnetic field detection circuit includes：
Magnetic induction element, for detecting and exporting the analog electrical signal matching with external magnetic field；
Signal processing unit, for being amplified to described analog electrical signal and going interference to process；
AD conversion unit, for being converted to the sense of described magnetic field by the analog electrical signal after amplifying and going interference to process
Induction signal, described magnetic field induction signal is switching mode data signal.
Preferably, in above-mentioned Magnetic Sensor integrated circuit, described output control circuit includes first switch and second switch,
Described first switch and described output port are connected in the first current path, and described second switch is connected with described output port
In second current path in opposite direction with described first current path, described first switch and second switch are in described magnetic field
Selectively turn under the control of induced signal.
Preferably, in above-mentioned Magnetic Sensor integrated circuit, described first switch is diode, and described second switch is two poles
Pipe or triode.
Preferably, in above-mentioned Magnetic Sensor integrated circuit, described output control circuit 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 selectively turn on.
Preferably, do not set switch in described first current path and the second current path other in which path.
Preferably, in above-mentioned Magnetic Sensor integrated circuit, described input port is configured to connect external ac power source, institute
State the rectifier that Magnetic Sensor integrated circuit also includes being connected with described input port, for being converted into directly described AC power
Stream electricity, the power supply of described magnetic field detection circuit is derived from the output voltage of described rectification circuit.
Preferably, in above-mentioned Magnetic Sensor integrated circuit, described output control circuit is configured to：When described Magnetic Sensor
When integrated circuit meets described predetermined condition, according to polarity and the described magnetic field induction signal of described AC power, control described
Magnetic Sensor integrated circuit switchover operation between described first state and the second state.
Preferably, in above-mentioned Magnetic Sensor integrated circuit, described output control circuit is configured to：
When the polarity that external magnetic field described in described magnetic field induction characterization is the first magnetic polarity and described AC power is
During first electrode, control electric current flows out from described output port to outside；
When polarity of the magnetic field described in described magnetic field induction characterization is second magnetic polarity contrary with described first magnetic polarity,
And the polarity of described AC power is when being the second electrode contrary with first electrode, control electric current from outside flow into described defeated
Exit port.
Preferably, in above-mentioned Magnetic Sensor integrated circuit, described state control circuit includes delay circuit, for when acquisition
Start timing to after predetermined trigger signal, when timing duration reaches scheduled duration, show described Magnetic Sensor integrated circuit symbol
Close predetermined condition, when timing when not arriving scheduled duration, show that described Magnetic Sensor integrated circuit does not meet predetermined condition.
Preferably, in above-mentioned Magnetic Sensor integrated circuit, described state control circuit also includes voltage detecting circuit, is used for
When the specific voltage in Magnetic Sensor integrated circuit is detected and reaching predetermined threshold value, described predetermined to the output of described delay circuit
Trigger.
Preferably, in above-mentioned Magnetic Sensor integrated circuit, described state control circuit also includes logic circuit, for working as
State delay circuit timing duration reach scheduled duration after, make described output control circuit respond described magnetic field induction signal, enter
And make output port have load current to flow through.
Embodiment of the present invention another further 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；The control end that the output port of described Magnetic Sensor integrated circuit is switched with described two-way admittance is connected.
Preferably, in above-mentioned electric machine assembly, described motor includes stator and p-m rotor, and described stator includes stator core
And it is wound in the single-phase winding on described stator core.
Embodiment of the present invention another further aspect provides the application apparatus with above-mentioned electric machine assembly.
Preferably, described application apparatus is pump, fan, household electrical appliance or vehicle.
Based on technique scheme, such scheme provided in an embodiment of the present invention, pre-conditioned by presetting one,
Described integrated circuit meet this pre-conditioned before, stop output control circuit in the state making output port flow through load current
Lower operation, to avoid integrated circuit output error signal.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing providing obtains other accompanying drawings.
Fig. 1 is a kind of structural representation of Magnetic Sensor integrated circuit disclosed in the embodiment of the present application；
Fig. 2 is a kind of structural representation of Magnetic Sensor integrated circuit disclosed in another embodiment of the application；
Fig. 3 is a kind of structural representation of Magnetic Sensor integrated circuit disclosed in another embodiment of the application；
Fig. 4 is a kind of structural representation of output control circuit disclosed in the embodiment of the present application；
Fig. 5 is a kind of structural representation of output control circuit disclosed in another embodiment of the application；
Fig. 6 is a kind of structural representation of Magnetic Sensor integrated circuit disclosed in another embodiment of the application；
Fig. 7 illustrates that one kind of rectifier in the application one embodiment preferably realizes circuit；
Fig. 8 is a kind of structural representation of Magnetic Sensor integrated circuit disclosed in another embodiment of the application；
Fig. 9 is a kind of structural representation of Magnetic Sensor integrated circuit disclosed in another embodiment of the application；
Figure 10 is a kind of structural representation of Magnetic Sensor integrated circuit disclosed in another embodiment of the application；
Figure 11 is that a kind of flow process of signal processing method of Magnetic Sensor integrated circuit disclosed in the embodiment of the present application is illustrated
Figure；
Figure 12 is a kind of structural representation of electric machine assembly disclosed in the embodiment of the present application；
Figure 13 is a kind of structural representation of motor disclosed in the embodiment of the present application；
Figure 14 illustrates the waveform of the output voltage of AC power and rectifier in the application one embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1, the integrated circuit according to one embodiment of the invention includes：Housing 100, semiconductor-based in housing
Piece (not shown), a pair of the input port (A1 and A2) stretching out from described housing and output port B and located at semiconductor
Electronic circuit on substrate, described electronic circuit includes control signal and produces circuit 110 and defeated with what described output port B was connected
Go out control circuit 120.Described input port can connect an external power source.In the present invention, input port connects external power source and both wrapped
Include the situation that input port is directly connected to external power source two ends, also include input port and be serially connected with external power source with external loading
The situation at two ends.
Control signal produces circuit 110 and is used for the predetermined detected signal that detection is input to integrated circuit, and responds this inspection
Survey signal, produce corresponding control signal.Described detected signal can be to be input to the electricity of integrated circuit by physical connection
Signal, can also be magnetic-coupled magnetic signal or other kinds of detected signal with integrated circuit.
Described output control circuit 120 is configured as when described integrated circuit conforms to a predetermined condition in response to described control
Signal, runs in the state of making described output port B flow through load current, is stoping institute when not meeting described predetermined condition
State output port B and flow through and run under another state of load current.In a preferred embodiment of the present invention, input port can connect one
External ac power source, in a preferred application, the frequency of occurrences of described another state is just become with the frequency of described AC power
Than.
When using integrated circuit disclosed in the above embodiments of the present application, preset one pre-conditioned, described integrated
Circuit meet this pre-conditioned before, stop output control circuit 120 transport in the state of making output port B flow through load current
OK, to avoid integrated circuit output error signal.
Wherein, " running in the state of making described output port B flow through load current " in above-described embodiment can be certainly
Described output port B flows out the first state of load current or flows into from outside to described output port B negative to outside
Current-carrying second state, can also be above-mentioned first state and the second state alternate run.Thus, in another enforcement of the present invention
In example, described output control circuit 120 further can be configured to：Respond when described integrated circuit conforms to a predetermined condition
In a control signal, flowing out the first state of load current and from outside to described output from described output port B to outside
Run, when not meeting described predetermined condition in resistance under second state at least one of which state of port B inflow load current
Only run under the third state of described first state and the second state.In one preferably example, the going out of the described third state
Existing frequency is directly proportional to the frequency of described AC power.
In technical scheme disclosed in the above embodiments of the present application, described output control electricity can be realized by control signal
Road 120, in the operation of first state and the second state, below so that detected signal is for external magnetic field signal as a example, carries to the present invention
For a kind of embodiment of Magnetic Sensor integrated circuit be described in detail, now, referring to Fig. 2, the integrated electricity of described Magnetic Sensor
Lu Zhong, it can be magnetic field detection circuit 130 that control signal produces circuit, for detecting and exporting the magnetic matching with external magnetic field
Field induced signal, described control signal is described magnetic field induction signal.
Preferably, in technical scheme disclosed in the above embodiments of the present application, can also include one be used for judging described
Whether Magnetic Sensor integrated circuit meets described pre-conditioned state control circuit 140, by described state control circuit 140
Control the working condition of described output control circuit 120, now, referring to Fig. 2, described electronic circuit includes：
Magnetic field detection circuit 130, the magnetic of the external magnetic field being located at for Magnetic Sensor integrated circuit described in real-time detection
, and export the magnetic field induction signal matching with described external magnetic field, and by judging to described magnetic field induction signal, can
Determine the information such as polarity of the magnetic field and/or the magnetic field power of described external magnetic field；
It is connected to the output control circuit 120 between described magnetic field detection circuit 130 and described output port B；
The state control circuit 140 being connected with described output control circuit 120, described state control circuit 140 be used for according to
According to the default working condition controlling output control circuit 120 described in rule control.Specifically, described state control circuit 140
For when described Magnetic Sensor integrated circuit conforms to a predetermined condition, controlling described output control circuit 120 to respond at least described
Magnetic field induction signal (can also include responding described magnetic field induction signal and other signals) certainly simultaneously, from described output
Port B flows out the first state of load current and from outside the second shape flowing into load current to described output port B to outside
Run under state at least one of which state, when described Magnetic Sensor integrated circuit does not meet described predetermined condition, control described
Output control circuit 120 runs under stoping the third state of described first state and the second state.
It is understood that in circuit design, the concrete configuration of described output control circuit 120 can be according to described magnetic
The corresponding device requirement of sensor IC and set.For example, described output control circuit 120 can only have a kind of work
State and a kind of high-impedance state, a kind of described working condition refers to described first state or described second state, described high resistant
State refers to the described third state.When described output control circuit 120 is only configured with a kind of working condition, it can be configured
It is when described Magnetic Sensor integrated circuit meets described predetermined condition, in the work at least matching with described magnetic field induction signal
Make to run under state, the working condition wherein matching with described magnetic field induction signal refers to described output control circuit 120
The first state being currently configured or the second state, wherein said first state and the second state can only mate a kind of external magnetic field
Polarity, for example, the magnetic field induction signal that described first state is only the first polarity chron with external magnetic field matches, described second
The magnetic field induction signal that state is only second polarity chron opposite polarity with first with external magnetic field matches, and now, magnetic senses
Device integrated circuit makes described output port B flow through load electricity when only can be the first polarity (or second polarity) in external magnetic field
Stream, stops when Magnetic Sensor integrated circuit does not meet described predetermined condition or external magnetic field is the second polarity (or first polarity)
Output port B flows through load current；Certainly, described output control circuit 120 can also be configured with first state, the second state and
The third state, now, described output control circuit 120 can be configured to：Described in meeting when described Magnetic Sensor integrated circuit
During predetermined condition, depending at least on described magnetic field induction signal (described magnetic field induction signal can be considered as a kind of control signal), make
Obtain described Magnetic Sensor integrated circuit to switch between described first state and the second state, i.e. one kind of described external magnetic field
Polarity corresponds to a kind of magnetic field induction signal, and described first state and the second state correspond to a kind of magnetic field induction signal respectively, due to
The working condition that described output control circuit 120 can be made changes with the change in polarity of described external magnetic field, realizes passing through institute
The polarity of the magnetic field stating external magnetic field controls described output control circuit 120 to switch between described first state and the second state.
What deserves to be explained is, in the embodiment of the present invention, Magnetic Sensor integrated circuit is cut between first state and the second state
Change operation however it is not limited to one of state switches to the situation of another state immediately after terminating, also include one of shape
State terminates the situation that rear separated in time switches to another state again.In one preferably application example, two states
In the interval time of switching, the output port of Magnetic Sensor integrated circuit no exports.
Wherein, in Magnetic Sensor integrated circuit disclosed in the above embodiments of the present application, the of described output control circuit 120
The Status Type of three condition voluntarily can configure according to user's request, as long as described output control circuit 120 can be stoped to enter
First state and the second state, for example, feel to described magnetic field when described output control circuit 120 operates in the third state
Induction signal no responds (can be understood as obtaining less than described magnetic field induction signal) or so that the electric current of described output port B is much smaller than
(a quarter of e.g., less than described load current, now this electric current is basic with respect to described load current for described load current
On be negligible), and be not enough to drive external loading.
In technical scheme disclosed in the above embodiments of the present application, described magnetic field detection circuit 130 can be according to user's need
Seek sets itself, referring to Fig. 3, in technical scheme disclosed in the above embodiments of the present application, described magnetic field detection circuit 130 is permissible
Including：
Magnetic induction element 131, for detecting and exporting the analog electrical signal matching with external magnetic field, the embodiment of the present invention
In, described magnetic induction element 131 can be Hall Plate；
Signal processing unit 132, for being amplified to described analog electrical signal and going interference to process, can make to detect
Signal precision higher；
AD conversion unit 133, for being converted to described magnetic by the analog electrical signal after amplifying and going interference to process
Field induced signal, for the application only needing the polarity of the magnetic field identifying external magnetic field, described magnetic field induction signal can be
Switching mode data signal.
In Magnetic Sensor integrated circuit disclosed in the above embodiments of the present application, described output control circuit 120 concrete
Circuit structure can be according to configuration needs flexible design, as long as it is above-mentioned to ensure that described output control circuit 120 is capable of
Configuration feature.In a kind of implementation of output control circuit 120, referring to Fig. 4, described output control circuit 120 can
To include first switch K1 and second switch K2.Described first switch K1 and described output port B are connected to the first current path
In, described second switch K2 and described output port B is connected to second electric current in opposite direction with described first current path and leads to
Road, described first switch K1 and second switch K2 selectively turn under the control of magnetic field induction signal.First current path
With the second current path, there is interface.3rd switch K3 is connected between interface and output port B, the integrated electricity of Magnetic Sensor
Road meets during described predetermined condition the 3rd switch K3 conducting, and Magnetic Sensor integrated circuit is unsatisfactory for during described predetermined condition the 3rd and opens
Close K3 to disconnect.Specifically, the type of described first switch K1 and second switch K2 voluntarily can be chosen according to user's request, as long as
Ensure that described first switch K1 and second switch K2 can selectively turn on, accordingly under the control of magnetic field induction signal
Described first current path or the second current path is controlled to turn on.For example, as shown in figure 4, described first switch K1 and
Two switch K2 are the semiconductor switch of a pair of complementation.Described first switch K1 can be the switch of high level conducting, described second
Switch K2 can be the switch of low level conducting, and the control end of two switches is all connected with magnetic field induction signal, first switch K1
Current input terminal connects high voltage (such as dc source), and current output terminal is connected with the current input terminal of second switch K2, the
The current output terminal of two switch K2 connects low voltage (such as), the electricity of the current output terminal of first switch K1 and second switch K2
The 3rd switch K3 is set between the tie point of stream input and output port B.During the 3rd switch K3 conducting, if magnetic field induction signal is defeated
Go out high level, first switch K1 turns on, second switch K2 disconnects, load current from high voltage through first switch K1, the 3rd open
Close K3 and output port B to flow outwardly, if magnetic field induction signal output low level, second switch K2 turns on, and first switch K1 is broken
Open, load current flows into output port B and flows through the 3rd switch K3 and second switch K2 successively from outside.
In another embodiment of the present invention, described output control circuit 120 has from described output pin to outflow
The first current path going out electric current, the second current path flowing inward into electric current from described output pin and be connected to described
Switch in first current path and the one of path of the second current path, described switch is by described magnetic field detection circuit output
Magnetic field detection information control so that the first current path and the second current path selectively turn on.Preferably, described first electricity
Switch is not set in logical circulation road and the second current path other in which path.
Fig. 5 is exemplarily illustrated another kind of implementation of output control circuit 120, including：One unidirectional conducting switch D,
A described unidirectional conducting switch and described output port B are connected to the first current path, and the electric current of described unidirectional conducting switch D is defeated
Enter the output end that end can connect described magnetic field detection circuit 130, the output end of described magnetic field detection circuit 130 also can be through a resistance
R and described output port B is connected in the second current path in opposite direction with described first current path.First current path
With the second current path, there is interface.3rd switch K3 is connected between interface and output port B, the integrated electricity of Magnetic Sensor
Road meets during described predetermined condition the 3rd switch K3 conducting, and Magnetic Sensor integrated circuit is unsatisfactory for during described predetermined condition the 3rd and opens
Close K3 to disconnect.Described unidirectional conducting switch D turns on when described magnetic field induction signal is for high level, and load current is through one-way conduction
Switch D, the 3rd switch K3 and output port B flow outwardly, and described magnetic field induction signal is that during low level, unidirectional conducting switch D breaks
Open, load current flows into output port B and flows through the 3rd switch K3 and resistance R successively from outside.Substitute as a kind of, described the
Resistance R in two current paths can also replace with another unidirectional conducting switch with unidirectional conducting switch D reverse parallel connection.This
Sample, the load current flowing out from output port and the load current flowing into more balance.
It is appreciated that the 3rd switch K3 is also connected to the output end of magnetic field detection circuit 130 and first/second electric current leads to
Between road, Magnetic Sensor integrated circuit is unsatisfactory for the 3rd switch K3 during described predetermined condition and disconnects, now output control circuit 120
Magnetic field induction signal is no responded.
In technical scheme disclosed in the above embodiments of the present application, the power supply of described Magnetic Sensor integrated circuit is permissible
For AC power, referring to Fig. 6, now：Described input port is configured to connect external ac power source；Described Magnetic Sensor is integrated
Circuit also includes the rectifier 150 being connected with described input port, can convert alternating current to direct current, now, described magnetic
The power supply of field testing circuit 130, state control circuit 140 and output control circuit 120 can be directly or indirectly from described rectification
The output voltage of circuit.
Fig. 7 illustrates that one kind of rectifier 150 preferably realizes circuit, rectifier 150 include full-wave rectification bridge and with institute
State the voltage regulation unit of full-wave rectification bridge connection, wherein, described full-wave rectification bridge is used for the exchange letter of described AC power output
Number it is converted into direct current signal, described voltage regulation unit is used for stable for the direct current signal of described full-wave rectification bridge output in preset value model
In enclosing.Voltage regulation unit includes the Zener diode being connected between two output ends of full-wave rectification bridge.Described full-wave rectification bridge
Including：First diode D1 of series connection and the 3rd diode D3 and the 4th diode D4 of the second diode D2 and series connection；Institute
The common port stating the first diode D1 and described second diode D2 is electrically connected with described first input port VAC+；Described 3rd
The common port of diode D3 and described 4th diode D4 is electrically connected with described second input port VAC-.
Wherein, the input of described first diode D1 and the input of described 3rd diode D3 are electrically connected to form rectification
The ground connection output end of bridge, the output end of described second diode D2 and the output end of described 4th diode D4 are electrically connected to form whole
The voltage output end VDD of stream bridge, Zener diode DZ are connected to the common port of described second diode D2 and the 4th diode D4
And described first diode D1 and the common port of described 3rd diode D3 between.Preferably realize in example at one, described output
The power supply terminal of control circuit 120 directly can be electrically connected with the voltage output end of full-wave rectification bridge.
When the Magnetic Sensor integrated circuit of the present embodiment is powered using AC power, described output control circuit 120 removes
Outside response described magnetic field induction signal, the electric polarity of described AC power can also be responded, i.e. when described Magnetic Sensor collection
Circuit is become to make described output control circuit 120 respond at least described magnetic field induction signal and AC power when conforming to a predetermined condition
(can be considered as a kind of control signal), is flowing out the first state of load current and from outside from described output port B to outside
Run under the second state at least one of which state flowing into load current to described output port B.Preferably, described output control
When circuit 120 processed can be configured as described Magnetic Sensor integrated circuit and meets described predetermined condition, respond described alternating current
The polarity of the magnetic field that the electric polarity in source and described magnetic field induction signal are characterized, controls described Magnetic Sensor integrated circuit described the
Switchover operation between one state and the second state.
As a kind of instantiation, described output control circuit 120 can be configured as the integrated electricity of described Magnetic Sensor
When road meets pre-conditioned, if external magnetic field described in described magnetic field induction characterization is the first magnetic polarity and described AC power
Polarity be first electrode so that load current flows out from described output port B to outside；If described magnetic field induction signal table
Levying described polarity of the magnetic field is second magnetic polarity contrary with described first magnetic polarity, and the polarity of described AC power is and first
The contrary second electrode of electric polarity is so that load current flows into described output port B from outside.What deserves to be explained is, outside
Magnetic field is the first magnetic polarity and AC power is first electrode, or external magnetic field is the second magnetic polarity and AC power is the
During two electric polarities, described output port flow out or flow into load current both included defeated in above-mentioned two situations whole duration 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 the present invention, described output control circuit 120 is to run or in the 3rd shape under first state or the second state
Under state run, pre-conditioned depending on whether described Magnetic Sensor integrated circuit meets, this pre-conditioned can according to user need
Seek sets itself, if ensure when described Magnetic Sensor integrated circuit meet described pre-conditioned before, can generate and defeated
Go out correct signal.For example, with reference to Fig. 8, in one embodiment, can be judged whether full by a delay circuit 141
Foot is described pre-conditioned, and described state control circuit 140 includes：
Delay circuit 141, for starting timing after getting predetermined trigger signal, when timing duration reaches scheduled duration
When, show that described Magnetic Sensor integrated circuit conforms to a predetermined condition, when timing when not arriving scheduled duration, show described magnetic
Sensor IC does not meet predetermined condition.
More specifically, described predetermined trigger signal can rise for specific voltage in Magnetic Sensor integrated circuit reach pre-
Determine the trigger generating during threshold value, wherein, described specific voltage can be for example the supply voltage of magnetic field detection circuit 130,
This predetermined threshold can be for example the voltage that in described magnetic field detection circuit, each module is capable of normal work, and this predetermined threshold is permissible
It is less than a value of the stationary value of described specific voltage.Accordingly, referring to Fig. 8, described state control circuit 140 also includes：
Voltage detecting circuit 142, reaches predetermined threshold value for the specific voltage in Magnetic Sensor integrated circuit is detected
When, export described predetermined trigger signal to described delay circuit 141, and
Logic circuit 143, for, after the timing duration of described delay circuit 141 reaches scheduled duration, making described output
Control circuit 120 responds described magnetic field induction signal, and then makes output port B have load current to flow through.
In the present embodiment, after the supply voltage of magnetic field detection circuit 130 reaches predetermined threshold, its each module can normally be transported
OK, but still need its output of certain process time guarantee is correct signal, therefore it is configured with delay circuit 141
Carrying out timing, just making output control circuit 120 response magnetic field induced signal after certain time length, thus ensureing output port B's
State is accurately and reliably.
Fig. 9 is exemplarily illustrated the state control circuit 140 of said structure and one kind of output control circuit 120 is specifically electric
Road.Wherein, the logic circuit 143 of state control circuit 140 includes and door AND, is connected magnetic field sense with an input of door AND
Induction signal, another input connects the output end of delay circuit 141.Output control circuit 120 includes three high level conductings
Switch M0, M1 and M2 and diode D5.The control end of switch M0 is connected with the output end of door AND, the input of switch M0
End is connected with the voltage output end (OUTAD+) of rectifier 150 through resistance R1, and output end is exported with the ground connection of described rectifier 150
End (OUTAD-) is connected.Switch M1 control end with switch M0 input be connected, switch M1 input through resistance R2 with whole
The voltage output end of stream device 150 is connected, and output end is connected with output port B.The input of diode D5 and the input switching M0
End is connected, and the output end of diode D5 is connected with output port B.Switch M2 is in parallel with switch M0, and its control end passes through phase inverter X
It is connected with the output end of described delay circuit 141.
In the present embodiment, the equivalent resistance of switch M2 is more than switch M0, functionally can be considered state control circuit 140
A part.When the delay duration of delay circuit 141 is not up to scheduled duration, Magnetic Sensor integrated circuit is in the 3rd shape
State, delay circuit 141 exports low level, exports low level all the time with door AND, and switch M0 and M1 disconnects, switch M2 conducting, electric current
Flow into output port B and flow through diode D5 and switch M2 from outside, the equivalent resistance of switch M2 is larger, and therefore now electric current is non-
Often little, can substantially ignore.When the delay duration of delay circuit 141 reaches scheduled duration, delay circuit 141 exports height
Level, the magnetic field induction signal of magnetic field detection circuit 130 output can work as AC power by exporting switch M0 with door AND
When the signal of output is located at positive half period and described magnetic field detection circuit 130 output low level, switch M0 and M2 disconnects, and switchs M1
Conducting, load current flows outwardly from output port B through switch M1 successively；When the signal of AC power output is located at negative half-cycle
And during described magnetic field detection circuit 130 output high level, switch M0 conducting, switch M1 and M2 disconnects, and load current is from outside stream
Enter output port B and flow through diode and switch M0.
Figure 10 is exemplarily illustrated a kind of physical circuit of state control circuit 140 and output control circuit 120.Wherein,
The logic circuit 143 of state control circuit 140 has two signal input parts and two signal output parts.Wherein, a signal
Input connects the output end of delay circuit 141, and another signal input part connects magnetic field induction signal.Logic circuit 143
It is as follows that control logic can make configuration：When the delay duration of delay circuit 141 is not up to scheduled duration, delay circuit 141 exports
Low level, the two-way output signal of logic circuit 143 is all low level.When the delay duration of delay circuit 141 reaches pre- timing
When long, delay circuit 141 exports high level, and the two-way output signal of logic circuit 143 is anti-phase and wherein one tunnel is magnetic field induction
Signal；The two-way output signal not allowing logic circuit 143 is high level.
Output control circuit 120 includes three switches M3, M4 and M5.Switch M3 and M5 is high level conducting switch, switch
M4 is low level conducting switch.The control end of switch M3 and M5 connects two signal output parts of logic circuit 143, switch respectively
The input of M3 is connected with one end of resistance R3, and output end is connected with the ground connection output end (OUTAD-) of described rectifier 150.Open
The control end closing M4 is connected with the other end of resistance R3, and input is connected with the voltage output end (OUTAD+) of rectifier 150, opens
The output end closing M4 is connected with the input of switch M5, the output head grounding of switch M5.The output end of switch M4 is with switch M5's
The tie point of input is connected with output port B.Switch M4 control end be connected with the positive pole of protection diode D6, input and
The negative pole of protection diode D6 connects, and is also associated with parallel with protection diode D6 between the control end of switch M4 and input
Resistance R4.When the delay duration of delay circuit 141 is not up to scheduled duration, Magnetic Sensor integrated circuit is in the third state,
Delay circuit 141 exports low level, and the two-way output signal of logic circuit 143 is all low level, and M3, M4 and M5 are all disconnected for switch
Open, output port B no current flows through.When the delay duration of delay circuit 141 reaches scheduled duration, delay circuit 141 exports
High level, the two-way output signal of logic circuit 143 is anti-phase and wherein one tunnel is magnetic field induction signal.When AC power output
When signal is located at positive half period and described magnetic field detection circuit 130 output high level, switch M3 and M4 conducting, switch M5 disconnects,
Load current flows outwardly from output port B through switch M4；When the signal of AC power output is located at negative half-cycle and described magnetic
During the testing circuit 130 output low level of field, switch M3 and M4 disconnects, and switch M5 turns on, and load current flows into output end from outside
Mouth B simultaneously flows through switch M5.
It is understood that being directed to above-mentioned Magnetic Sensor integrated circuit, disclosed herein as well is a kind of Magnetic Sensor collection
Become the signal processing method of circuit, participate in Figure 10, the method includes：
Step S101：Detect and export the magnetic field induction signal matching with external magnetic field；
Step S102：Judge whether described Magnetic Sensor integrated circuit meets predetermined condition, if it is, execution step
S103, otherwise execution step S104；
Step S103：Control described Magnetic Sensor integrated circuit depending at least on described magnetic field induction signal, with described magnetic
Run under first state that induced signal matches or the second state at least one of which state；
Step S104：Magnetic Sensor integrated circuit is controlled to run in a third condition.
Wherein, described first state is to flow out load electricity from the output port B of described Magnetic Sensor integrated circuit to outside
The state of stream；Described second state is from the outside state flowing into load current to described output port B；The described third state is
Stop the state that described Magnetic Sensor integrated circuit runs under described first state and the second state.
Preferably, described predetermined condition can be the pre- timing of described Magnetic Sensor integrated circuit time delay from after particular moment
Long.That is, it is judged that whether described Magnetic Sensor integrated circuit meets predetermined condition specifically, judging in scheduled duration as described before magnetic
Whether sensor IC has just reached particular moment.More specifically, described predetermined trigger signal can be Magnetic Sensor
In integrated circuit, specific voltage reaches the trigger generating during predetermined threshold, and wherein, described specific voltage can be for example magnetic
The supply voltage of field testing circuit 130, this predetermined value can be for example that in described magnetic field detection circuit 130, each module can be normal
The voltage of work, this predetermined threshold can be less than a value of the stationary value of described specific voltage.
Preferably, described detect and export the magnetic field induction signal matching with external magnetic field include：
Detect and export the analog electrical signal matching with external magnetic field；
Analog electrical signal is amplified and go interference to process；
Analog electrical signal after amplifying and going interference to process is converted to described magnetic field induction signal, for only needing
For the application of polarity of the magnetic field of identification external magnetic field, described magnetic field induction signal can be switching mode data signal.
More further, judge in described Magnetic Sensor integrated circuit, whether to meet predetermined condition tool described in said method
Body can include：
Judge whether the specific voltage in described Magnetic Sensor integrated circuit reaches set-point, if it is, starting timing；
Judge whether timing duration reaches scheduled duration, if it is, determine that described Magnetic Sensor integrated circuit meets setting
Condition, otherwise, it determines described Magnetic Sensor integrated circuit is unsatisfactory for imposing a condition.
As shown in figure 12, the embodiment of the present invention additionally provides a kind of electric machine assembly, and described electric machine assembly includes：Exchanged by one
The motor M that power supply is powered；Two-way controllable AC switch (the also referred to as two-way admittance switch) 200 connected with described motor M；And
The Magnetic Sensor IC being provided according to any of the above-described embodiment of the present invention, described Magnetic Sensor IC defeated
Exit port B is electrically connected with the control end of described two-way admittance switch 200.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 output port controls this two thyristors through described control circuit according to predetermined way.
Preferably, described electric machine assembly also includes reduction voltage circuit 300, is supplied to institute for after being depressured described AC power
State Magnetic Sensor IC.Magnetic Sensor IC installs the magnetic field change to perceive rotor near the rotor of motor
Change.
On the basis of above-described embodiment, in one particular embodiment of the present invention, described motor is synchronous motor, can
To understand, the Magnetic Sensor integrated circuit of the present invention is applicable not only to synchronous motor, is also applied for other kinds of magneto
As DC brushless motor.Figure 13 illustrates a kind of instantiation of described synchronous motor, and described synchronous motor includes stator and can phase
Rotor M1 to stator rotation.Stator has stator core M2 and is set around the single-phase stator winding M3 on stator core M2.Fixed
Son iron core M2 can be made up of soft magnetic materials such as pure iron, cast iron, cast steel, electrical sheet, silicon steel.Rotor M1 has permanent magnet, stator around
When group M3 is connected with AC power, in steady-state process with the rotating speed constant-speed operation of 60f/p circle/minute, wherein f is described friendship to rotor
The frequency of stream power supply, p is the number of pole-pairs of rotor.Stator core M2 has two relative pole portions.Each pole portion has polar arc face (M4
And M5), the outer surface of rotor M1 is relative with polar arc face (M4 and M5), forms non-uniform gap between the two.Wherein, stator poles portion
Polar arc face (M4 and M5) on set the starting groove of indent, on polar arc face, the part in addition to starting groove is then concentric with rotor.Above-mentioned
Configuration can form non-uniform magnetic field it is ensured that rotor when static its pole axis with respect to one angle of inclined in stator poles portion
Spend it is allowed to rotor can have starting torque when motor M is energized in the presence of IC every time.The wherein pole of rotor M1
Axle refers to the line of demarcation between the different magnetic pole of two polarity of rotor, and the central shaft in stator poles portion refers to through stator Liang Gejibu center
Line.In the present embodiment, stator and rotor M1 are respectively provided with two magnetic poles.It should be understood that in more embodiments, stator and
The number of magnetic poles of rotor M1 can also be unequal, and has more magnetic poles, such as four, six etc..
In one embodiment of the invention, when Magnetic Sensor IC meets aforementioned predetermined condition, output control
It is positive half period and described magnetic field detection circuit 130 detection p-m rotor M1 that circuit 120 processed is configured in described AC power
Magnetic field be the first polarity or described AC power be negative half-cycle and described magnetic field detection circuit 130 detects described permanent magnetism
The magnetic field of rotor M1 is second polarity chron opposite polarity with described first, makes the conducting of described two-way admittance switch 200.When described
AC power is negative half-cycle and p-m rotor M1 is described first polarity, or described AC power is positive half period and described
P-m rotor M1 is the second polarity chron, makes the cut-off of described two-way admittance switch 200.
Preferably, described output control circuit 120 is configured to be located at positive half cycle in the signal of described AC power output
Phase and described magnetic field detection circuit 130 detect that the magnetic field of described p-m rotor M1 is the first polarity chron, and control electric current is by described collection
IC circuit is become to flow to described two-way admittance switch 200, and positioned at negative half-cycle and described in the signal of described AC power output
Magnetic field detection circuit 130 detects that the magnetic field of described p-m rotor M1 is second polarity chron opposite polarity with described first, controls
Electric current flows to described IC by described two-way admittance switch 200.It is appreciated that p-m rotor is the first magnetic polarity and friendship
Stream power supply is positive half period, or p-m rotor is when to be the second magnetic polarity and AC power be negative half-cycle, described integrated circuit
Flow out or inflow current had both included the situation that has electric current to flow through in above-mentioned two situations whole duration section, also include above-mentioned
Only there is the situation that electric current flows through in part-time section in the case of two kinds.
In a preferred embodiment of the present invention, two-way admittance switch 200 adopts triac (TRIAC),
Rectifier 150 adopts the circuit shown in Fig. 7, and output control circuit adopts the circuit shown in Fig. 4, and wherein first switch K1 is high electricity
The switch of flat conducting, the switch that described second switch K2 turns on for low level, Magnetic Sensor IC meets aforementioned predetermined
3rd switch K3 conducting during condition, Magnetic Sensor IC is unsatisfactory for the 3rd switch K3 during predetermined condition and disconnects.Output control
In circuit processed, the current input terminal of first switch K1 connects the voltage output end of full-wave rectification bridge, the electric current output of second switch K2
End connects the ground connection output end of full-wave rectification bridge.When Magnetic Sensor IC meets aforementioned predetermined condition, if AC power
The signal of AC output is located at positive half period and described magnetic field detection circuit 130 exports high level, and in output control unit, first opens
Close K1 conducting and second switch K2 disconnect, electric current from AC power AC one end flow out, flow successively through motor M, reduction voltage circuit 300,
The first input end of IC, the second diode D2 voltage output end of full-wave rectification bridge, output control circuit 120
First switch K1, flows to two-way admittance switch 200 from output port B and returns to AC power AC.After TRIAC200 conducting, step-down electricity
The series arm of road 300 and the formation of Magnetic Sensor IC is shorted, and Magnetic Sensor IC is because of unpowered voltage
And stop exporting, and TRIAC 200, due to flowing through the electric current between two anode sufficiently large (maintaining electric current higher than it), is being controlled
Between pole processed and its first anode no in the case of driving current, TRIAC200 remains on.If the letter of AC power AC output
Number being located at negative half-cycle and described magnetic field detection circuit 130 exports low level, in output control unit first switch K1 disconnect and
Second switch K2 turns on, and electric current flows out from the AC power AC other end, from two-way admittance switch 200 inflow output port B, through defeated
Go out the second switch K2 of control circuit 120, the ground connection output end of full-wave rectification bridge and the first diode D1, the of IC
One input terminal, reduction voltage circuit 300, motor M return to AC power AC.Likewise, after TRIAC200 conducting, Magnetic Sensor is integrated
IC circuit stops output short-circuit because being shorted, and TRIAC200 then can be held on.If the signal of AC power AC output is located at
Positive half period and described magnetic field detection circuit 130 output low level, or the signal of AC power AC output is positioned at negative half-cycle
And described magnetic field detection circuit 130 exports high level, in output control circuit 120, first switch K1 and second switch K2 all can not
Conducting, TRIAC200 ends.Thus, described output control circuit 120 can change in polarity based on AC power AC and magnetic field inspection
Measurement information, makes described IC control two-way admittance switch 200 to switch between conducting and cut-off state in a predefined manner,
And then control the step mode of stator winding M3, make the variation magnetic field that stator produces coordinate the magnetic field position of rotor, only along single
Direction drags rotor rotation, thus rotor M1 has fixing direction of rotation when ensureing that motor is energized every time.
In the present embodiment, in rectifier 150, adopt full-wave rectification bridge.The top half of Figure 14 illustrates the defeated of AC power AC
Go out voltage waveform, the latter half illustrates the output voltage waveforms of rectifier bridge.The frequency of the output voltage of rectifier bridge is AC power
The twice of the frequency of AC.Enter the predetermined bar that the first or second state need to meet according to previously for Magnetic Sensor IC
The description of part, in each uphill process of full-wave rectification bridge, often enters a first state in described output control circuit 120
Or second before state, described output control circuit 120 is both needed to enter a third state, each positive half period of alternating voltage
Magnetic Sensor IC enters a first state, and each negative half-cycle Magnetic Sensor IC of alternating voltage enters
Enter second state.As can be seen here, the frequency that the described third state occurs is occurred with described first state or the second state
Frequency is directly proportional, and is also directly proportional to the frequency of alternating voltage.Preferably, the frequency that the described third state occurs is described first shape
The twice of the frequency of state or the appearance of the second state, is also the twice of the frequency of alternating voltage.
In the electric machine assembly of another embodiment of the present invention, motor can be series at external communication with two-way admittance switch
Between both ends of power, it is integrated with reduction voltage circuit and Magnetic Sensor that motor switchs the first series arm being formed of connecting with two-way admittance
The second series arm that circuit is formed is in parallel.The output port of Magnetic Sensor integrated circuit is connected with two-way admittance switch, controls
Two-way admittance switch switches in a predefined manner between conducting and cut-off state, and then controls the step mode of stator winding.
Electric machine assembly in the embodiment of the present invention can be used for but is not limited to the equipment such as pump, fan, household electrical appliance, car
In, 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 the embodiment of the present invention is so that described IC is applied in motor as a example to be said
Bright, but the application of integrated circuit that the embodiment of the present invention is provided is not limited to this.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For method disclosed in embodiment
For, because it is corresponding with device disclosed in embodiment, so description is fairly simple, say referring to method part in place of correlation
Bright.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (25)
1. a kind of Magnetic Sensor integrated circuit is it is characterised in that include：Housing, the semiconductor chip in housing, from described
Input port and output port and the electronic circuit on semiconductor chip that housing stretches out, described electronic circuit includes：
Magnetic field detection circuit, for detecting and exporting the magnetic field induction signal matching with external magnetic field；
It is connected to the output control circuit between described magnetic field detection circuit and described output port；
The state control circuit being connected with described output control circuit, described state control circuit is used for controlling described output control
Circuit, makes at least described magnetic field sense of described output control circuit response when described Magnetic Sensor integrated circuit conforms to a predetermined condition
Induction signal, is flowing out the first state of load current and from outside to the inflow of described output port from described output port to outside
Run under second state at least one of which state of load current, make described output control when not meeting described predetermined condition
Circuit runs under stoping the third state of described first state and the second state.
2. Magnetic Sensor integrated circuit according to claim 1 is it is characterised in that described output control circuit is configured
For：When described Magnetic Sensor integrated circuit meets described predetermined condition, depending at least on described magnetic field induction signal so that described
Magnetic Sensor integrated circuit switches between described first state and the second state.
3. Magnetic Sensor integrated circuit according to claim 1 is it is characterised in that described output control circuit operates in
During three condition, described magnetic field induction signal is no responded or described output port electric current be less than described load current four/
One.
4. Magnetic Sensor integrated circuit according to claim 1 is it is characterised in that described magnetic field detection circuit includes：
Magnetic induction element, for detecting and exporting the analog electrical signal matching with external magnetic field；
Signal processing unit, for being amplified to described analog electrical signal and going interference to process；
AD conversion unit, for being converted to described magnetic field induction letter by the analog electrical signal after amplifying and going interference to process
Number, described magnetic field induction signal is switching mode data signal.
5. Magnetic Sensor integrated circuit according to claim 1 is it is characterised in that described output control circuit includes first
Switch and second switch, described first switch and described output port are connected in the first current path, described second switch with
Described 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 induction signal.
6. integrated circuit according to claim 1 is it is characterised in that described output control circuit has draws from described output
Pin 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 selectively turn on.
7. integrated circuit according to claim 6 it is characterised in that described first current path and the second current path its
In do not set switch in another path.
8. Magnetic Sensor integrated circuit according to claim 1 is it is characterised in that described input port is configured to connect
External ac power source, described Magnetic Sensor integrated circuit also includes the rectifier being connected with described input port, for will be described
AC power is converted into direct current, and the power supply of described magnetic field detection circuit is derived from the output voltage of described rectification circuit.
9. Magnetic Sensor integrated circuit according to claim 8 is it is characterised in that described output control circuit is configured
For：When described Magnetic Sensor integrated circuit meets described predetermined condition, according to polarity and the described magnetic field of described AC power
Induced signal, controls described Magnetic Sensor integrated circuit switchover operation between described first state and the second state.
10. Magnetic Sensor integrated circuit according to claim 8 is it is characterised in that described output control circuit is configured
For：
When the polarity that external magnetic field described in described magnetic field induction characterization is the first magnetic polarity and described AC power is first
During electric polarity, control electric current flows out from described output port to outside；
When polarity of the magnetic field described in described magnetic field induction characterization is second magnetic polarity contrary with described first magnetic polarity, and institute
When to state the polarity of AC power be the second electrode contrary with first electrode, control electric current flows into described output end from outside
Mouthful.
11. Magnetic Sensor integrated circuits according to claim 8 are it is characterised in that described state control circuit includes prolonging
When circuit, for after getting predetermined trigger signal start timing, when timing duration reaches scheduled duration, show described magnetic
Sensor IC conforms to a predetermined condition, and when timing when not arriving scheduled duration, shows the integrated electricity of described Magnetic Sensor
Road does not meet predetermined condition.
12. Magnetic Sensor integrated circuits according to claim 11 are it is characterised in that described state control circuit also includes
Voltage detecting circuit, for when the specific voltage in Magnetic Sensor integrated circuit is detected and reaching predetermined threshold value, prolonging to described
When predetermined trigger signal described in circuit output.
13. Magnetic Sensor integrated circuits according to claim 11 or 12 it is characterised in that described state control circuit also
Including logic circuit, for after the timing duration of described delay circuit reaches scheduled duration, making described output control circuit ring
Answer described magnetic field induction signal, and then make output port have load current to flow through.
A kind of 14. 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 13.
15. electric machine assemblies as claimed in claim 14 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.
16. electric machine assemblies according to claim 15 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.
A kind of 17. application apparatus with electric machine assembly as claimed in claim 14.
18. application apparatus according to claim 17 are it is characterised in that described application apparatus is pump, fan, household electrical appliance
Or vehicle.
A kind of 19. signal processing methods of Magnetic Sensor integrated circuit are it is characterised in that include：
Detect and export the magnetic field induction signal matching with external magnetic field；
Control described Magnetic Sensor integrated circuit when described Magnetic Sensor integrated circuit meets predetermined condition depending at least on described
Magnetic field induction signal, from the output port of described Magnetic Sensor integrated circuit to the outside first state flowing out load current and
Run under the second state at least one of which state flowing into load current from outside to described output port, when described magnetic sensing
When device integrated circuit is unsatisfactory for described predetermined condition, described Magnetic Sensor integrated circuit is controlled to stop described first state and the
Run under the third state of two-state.
20. signal processing methods according to claim 19 are it is characterised in that described predetermined condition is described Magnetic Sensor
Integrated circuit is from particular moment time delay scheduled duration.
21. signal processing methods according to claim 19 are it is characterised in that described particular moment is described Magnetic Sensor
Specific voltage in integrated circuit reaches the moment of set-point.
22. signal processing methods according to claim 19 it is characterised in that during the third state described Magnetic Sensor integrated
Circuit no responds to described magnetic field induction signal.
23. signal processing methods according to claim 19 are it is characterised in that the third state is the electricity of described output port
Stream is less than a quarter of described load current.
24. signal processing methods according to claim 19 are it is characterised in that described detect and export and external magnetic field phase
The magnetic field induction signal of coupling includes：
Detect and export the analog electrical signal matching with external magnetic field；
Analog electrical signal is amplified and go interference to process；
Analog electrical signal after amplifying and going interference to process is converted to described magnetic field induction signal, described magnetic field induction letter
Number be switching mode data signal.
25. signal processing methods according to any one of claim 19-24 are it is characterised in that determine in the following manner
Whether described Magnetic Sensor integrated circuit meets predetermined condition：
Start timing when the specific voltage in described Magnetic Sensor integrated circuit reaches after set-point；If timing duration reaches pre-
Timing is long, determines that described Magnetic Sensor integrated circuit meets predetermined condition, otherwise, it determines described Magnetic Sensor integrated circuit is discontented with
Sufficient predetermined condition.
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202016104299.2U DE202016104299U1 (en) | 2015-08-07 | 2016-08-04 | Magnetic sensor and motor arrangement |
| EP16182854.6A EP3128661B1 (en) | 2015-08-07 | 2016-08-04 | Magnetic sensor, method for controlling an operating state thereof and motor assembly |
| MX2016010219A MX2016010219A (en) | 2015-08-07 | 2016-08-05 | Magnetic sensor, method for controlling an operating state thereof and motor assembly. |
| TW105211935U TWM540311U (en) | 2015-08-07 | 2016-08-05 | Magnetic sensor integrated circuit, motor assembly, and application device |
| KR1020160100039A KR20170017823A (en) | 2015-08-07 | 2016-08-05 | Magnetic sensor and method for controlling an operating state thereof |
| US15/231,086 US9966883B2 (en) | 2014-08-08 | 2016-08-08 | Magnetic sensor and an integrated circuit |
| BR102016018230A BR102016018230A2 (en) | 2015-08-07 | 2016-08-08 | method for controlling an operating state of a magnetic sensor, magnetic sensor, integrated circuit, and motor assembly |
| JP2016155672A JP2017053843A (en) | 2015-08-07 | 2016-08-08 | Magnetic sensor and method for controlling operating state thereof |
| JP2016006003U JP3211277U (en) | 2015-08-07 | 2016-12-15 | Magnetic sensor and control method of operation stage thereof |
| US15/947,932 US20180234041A1 (en) | 2014-08-08 | 2018-04-09 | Magnetic sensor and an integrated circuit |
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 | ||
| CN2016102036469 | 2016-04-01 | ||
| CN201610203646 | 2016-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106443523A true CN106443523A (en) | 2017-02-22 |
Family
ID=58020546
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610387977.2A Withdrawn CN106443523A (en) | 2014-08-08 | 2016-06-02 | Magnetic sensor integrated circuit, signal processing method thereof, motor assembly and application apparatus |
| CN201620532488.7U Active CN205982592U (en) | 2015-08-07 | 2016-06-02 | Magnetic sensor integrated circuit , motor element and application apparatus |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620532488.7U Active CN205982592U (en) | 2015-08-07 | 2016-06-02 | Magnetic sensor integrated circuit , motor element and application apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN106443523A (en) |
| MX (1) | MX2016010219A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333467A (en) * | 2018-02-09 | 2018-07-27 | 兰州工业学院 | A kind of SCM Based substation's mutual inductor polarity intelligent detection device |
| CN111665643A (en) * | 2020-06-18 | 2020-09-15 | 江西台德智慧科技有限公司 | Startup and shutdown control method and intelligent glasses |
| CN112904107A (en) * | 2021-01-15 | 2021-06-04 | 公牛集团股份有限公司 | Electrical equipment and load detection circuit thereof |
| CN114341656A (en) * | 2019-09-05 | 2022-04-12 | 三美电机株式会社 | Magnetic detection device and semiconductor integrated circuit for amplifying magnetic detection signal |
-
2016
- 2016-06-02 CN CN201610387977.2A patent/CN106443523A/en not_active Withdrawn
- 2016-06-02 CN CN201620532488.7U patent/CN205982592U/en active Active
- 2016-08-05 MX MX2016010219A patent/MX2016010219A/en unknown
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333467A (en) * | 2018-02-09 | 2018-07-27 | 兰州工业学院 | A kind of SCM Based substation's mutual inductor polarity intelligent detection device |
| CN114341656A (en) * | 2019-09-05 | 2022-04-12 | 三美电机株式会社 | Magnetic detection device and semiconductor integrated circuit for amplifying magnetic detection signal |
| CN114341656B (en) * | 2019-09-05 | 2023-08-15 | 三美电机株式会社 | Magnetic detection device and semiconductor integrated circuit for amplifying magnetic detection signal |
| CN111665643A (en) * | 2020-06-18 | 2020-09-15 | 江西台德智慧科技有限公司 | Startup and shutdown control method and intelligent glasses |
| CN112904107A (en) * | 2021-01-15 | 2021-06-04 | 公牛集团股份有限公司 | Electrical equipment and load detection circuit thereof |
| CN112904107B (en) * | 2021-01-15 | 2024-04-30 | 公牛集团股份有限公司 | Electrical equipment and load detection circuit thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN205982592U (en) | 2017-02-22 |
| MX2016010219A (en) | 2018-02-05 |
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Application publication date: 20170222 |