CN206038884U - Magnetic sensor integrated circuit , motor element and application apparatus - Google Patents
Magnetic sensor integrated circuit , motor element and application apparatus Download PDFInfo
- Publication number
- CN206038884U CN206038884U CN201620535636.0U CN201620535636U CN206038884U CN 206038884 U CN206038884 U CN 206038884U CN 201620535636 U CN201620535636 U CN 201620535636U CN 206038884 U CN206038884 U CN 206038884U
- Authority
- CN
- China
- Prior art keywords
- magnetic field
- circuit
- power supply
- integrated circuit
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 claims abstract description 97
- 238000000034 method Methods 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 13
- 238000007689 inspection Methods 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 6
- 230000036772 blood pressure Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 6
- 238000000429 assembly Methods 0.000 claims 6
- 238000004891 communication Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 241001125929 Trisopterus luscus Species 0.000 description 17
- 230000005669 field effect Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 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
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- -1 electrical sheet Inorganic materials 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
- Hall/Mr Elements (AREA)
Abstract
The utility model discloses a magnetic sensor integrated circuit, motor element and application apparatus, integrated circuit includes input port, output port, magnetic field detection circuit and output control circuit. Magnetic field detection circuit is used for detecting the external magnetic field and exports magnetic field detection information. Output control circuit is used for at least because magnetic field detection information makes integrated circuit at least at oneself output port is to the first state and the switching between the outside is to the second state of output port inflow electric current of outside outflow 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 with induced field intensity to measure electric current, position, side
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 extra setting during specific works
Peripheral circuit, processes to the field detection result, therefore integrated circuit is relatively costly, and reliability is poor.
Utility model content
On the one hand this utility model embodiment provides a kind of Magnetic Sensor integrated circuit, including：
Input port and output port；
Magnetic field detection circuit, for detecting external magnetic field and accordingly exporting magnetic field detection information；And
Output control circuit, for being at least based on the magnetic field detection information, makes the integrated circuit at least from described
Output port is flowed out to outside to be cut between the first state of electric current and certainly outside the second state to the output port inflow current
Change.
Preferably, the magnetic field detection circuit is powered by the first power supply, and the output control circuit is by electric with described first
The different second source in source is powered.
Preferably, the second source is the power supply of amplitude change.
Preferably, first power supply is the constant DC source of amplitude stability.
Preferably, the meansigma methodss of the output voltage of first power supply are average less than the output voltage of the second source
Value.
Preferably, the input port includes the input port for connecting external ac power source, the output control electricity
Road is configured to the change in polarity based on the alternating current power supply and the magnetic field detection information, makes the integrated circuit at least in institute
State.
Preferably, the output control circuit includes first switch and second switch, the first switch and the output
Port is connected in the first current path, and the second switch is connected to and the first current path side with the output port
To in the second contrary current path, the first switch and second switch selectivity under the control of the magnetic field detection information
Ground conducting.
Preferably, the first switch is audion, and the second switch is diode or triode.
Preferably, the output control circuit with flow outwardly from the output pin electric current the first current path,
The second current path of electric current is flowed inward into from the output pin and first current path and the second electric current is connected to
Switch in the one of path of path, the switch are controlled by the magnetic field detection information of the magnetic field detection circuit output, are made
Obtain the first current path and the conducting of the second current path selectivity.
Preferably, switch is not set in first current path and the second current path other in which path.
Preferably, it is positive half period and the magnetic field detection that the output control circuit is configured in the alternating current power supply
External magnetic field polarity described in electric circuit inspection is that the first polarity or the alternating current power supply are negative half-cycle and magnetic field detection electricity
Road detects that the external magnetic field polarity is second polarity chron opposite polarity with described first, makes the output port flow through load
Electric current, when the alternating current power supply be positive half period and external magnetic field polarity be the second polarity, or the alternating current power supply is negative half
Cycle and external magnetic field polarity are the first polarity chron, flow through the output port no-load current.
Preferably, the magnetic field detection circuit is identical with the power supply of the output control circuit.
Preferably, the input port includes first input port and the second input for connecting external ac power source
Mouthful, and for the alternating current that the external ac power source is exported is converted to galvanic rectification circuit.
Preferably, the integrated circuit also includes the voltage between the rectification circuit and the output control circuit
Adjust circuit, the voltage regulator circuit for the first voltage that the rectification circuit is exported is adjusted to second voltage, wherein,
The second voltage is the supply voltage of the magnetic field detection circuit, and the first voltage is the confession of the output control circuit
Piezoelectric voltage, and the meansigma methodss of the first voltage are more than the meansigma methodss of the second voltage.
Preferably, the 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 interference to the signal of telecommunication；And
AD conversion unit, for being converted to the magnetic field detection information, institute by the signal of telecommunication after amplifying and going to disturb
Magnetic field detection information is stated for switching mode digital signal.
Preferably, the input port includes first input port and the second input for connecting external ac power source
Mouthful, the frequency of occurrences of the first state or the second state is proportional to the frequency of the alternating current power supply.
On the other hand this utility model embodiment 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, the motor-drive circuit also include being series at the motor it is double between external ac power source two ends
Guide opens up pass, and the control end that the output port of the Magnetic Sensor integrated circuit is switched with the two-way admittance is connected.
Preferably, the motor includes stator and p-m rotor, the stator include stator core and be wound in it is described fixed
Single-phase winding on sub- iron core.
Preferably, the electric machine assembly also includes reducing transformer, for will be supplied to the magnetic after the alternating current power supply blood pressure lowering
Sensor IC.
Preferably, it is positive half period and the magnetic field detection that the output control circuit is configured in the alternating current power supply
The magnetic field of p-m rotor described in electric circuit inspection is that the first polarity or the alternating current power supply are negative half-cycle and the magnetic field detection
The magnetic field of p-m rotor described in electric circuit inspection is second polarity chron opposite polarity with described first, makes the two-way admittance switch
Conducting, when the alternating current power supply is for negative half-cycle and p-m rotor is first polarity, or the alternating current power supply is for just partly
Cycle and the p-m rotor are the second polarity chron, make the two-way admittance switch cut-off.
Preferably, the output control circuit be configured to the alternating current power supply output signal be located at positive half period and
The magnetic field of p-m rotor described in the magnetic field detection electric circuit inspection is the first polarity chron, and control electric current is by the integrated circuit stream
Switch to the two-way admittance, and the signal in alternating current power supply output is located at negative half-cycle and the magnetic field detection circuit is examined
The magnetic field for surveying the p-m rotor is second polarity chron opposite polarity with described first, and control electric current is opened by the two-way admittance
Pass flows to the integrated circuit.
This utility model embodiment another further aspect provides the application apparatus with above-mentioned electric machine assembly.
Preferably, the 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 be dropped
Low integrated circuit cost, improves circuit reliability.
Description of the drawings
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 accompanying drawing to be used is briefly described needed for description of the prior art, 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 for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
The structural representation of the Magnetic Sensor integrated circuit that Fig. 1 is provided by this utility model one embodiment；
The structural representation of the Magnetic Sensor integrated circuit that Fig. 2 is provided by this utility model another embodiment；
In the Magnetic Sensor integrated circuit that Fig. 3 is provided by this utility model one embodiment, the output control circuit
Structural representation；
In the Magnetic Sensor integrated circuit that Fig. 4 is provided by this utility model another embodiment, the output control electricity
The structural representation on road；
In the Magnetic Sensor integrated circuit that Fig. 5 is provided by this utility model another embodiment, the output control electricity
The structural representation on road；
In the Magnetic Sensor integrated circuit that Fig. 5 A are provided by this utility model another embodiment, the 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 the Magnetic Sensor integrated circuit that Fig. 7 is provided by this utility model another embodiment；
In the Magnetic Sensor integrated circuit that Fig. 8 is provided by this utility model further embodiment, the structure of rectification circuit
Schematic diagram；
In the Magnetic Sensor integrated circuit that Fig. 9 is provided by this utility model one embodiment, the magnetic field detection circuit
Structural representation；
The structural representation of the electric machine assembly that Figure 10 is provided by this utility model one embodiment；
In the electric machine assembly that Figure 11 is provided by this utility model one embodiment, the structural representation of motor.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, 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 creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Many details are elaborated 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 the Magnetic Sensor Application of integrated circuit is in the motor as an example, this utility model embodiment is provided
Magnetic Sensor integrated circuit is illustrated.
As shown in figure 1, this utility model embodiment provides a kind of Magnetic Sensor integrated circuit, including housing 2, located at shell
Internal semiconductor chip (not shown), input port A1, A2 for stretching out from the housing and output port Pout and
Electronic circuit on semiconductor chip；The electronic circuit includes：
Magnetic field detection circuit 20, for detecting external magnetic field and accordingly exporting magnetic field detection information；And
Output control circuit 30, for being at least based on the magnetic field detection information, makes the integrated circuit at least from institute
Output port is stated to the outside first state for flowing out electric current and from outside between the second state of the output port inflow current
Switching.
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 including 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 is without output.
On the basis of above-described embodiment, in one embodiment of the present utility model, as shown in Fig. 2 magnetic field inspection
Slowdown monitoring circuit 20 is powered by the first power supply 40, and the output control circuit 30 is by the second source 50 different from first power supply 40
Power supply.It should be noted that in this utility model embodiment, the second source 50 can be the power supply of amplitude change,
Can be the constant DC source of amplitude, wherein, when the second source 50 is the power supply of amplitude change, preferably amplitude becomes
The DC source of change, this utility model are not limited to this, are specifically depended on the circumstances.
On the basis of above-described embodiment, in one embodiment of the present utility model, first power supply 40 is amplitude
Stablize constant DC source, to ensure stable drive signal to be provided as the magnetic field detection circuit 20 so that the magnetic field
Detection 20 steady operation of circuit.
On the basis of above-described embodiment, in a preferred embodiment of the present utility model, first power supply 40
Meansigma methodss of the meansigma methodss of output voltage less than 50 output voltage of the second source, it should be noted that less using power consumption
Power supply power to magnetic field detection circuit 20, the power consumption of the integrated circuit can be reduced, using the larger power supply of power consumption to defeated
Going out the power supply of control circuit 30 can make output port provide higher load current, to ensure that integrated circuit has enough drivings
Ability.
On the basis of above-described embodiment, in one embodiment of the present utility model, the output control circuit 30 is wrapped
First switch and second switch is included, the first switch is connected in first current path with the output port, described
Second switch is connected in the second current path in opposite direction with first current path with the output port, and described
One switch and second switch are selectively turned under the control of the magnetic field detection information.Preferably, the first switch can
Think audion, the second switch can be audion or diode, this utility model is not limited to this, optionally and
It is fixed.
Specifically, in one embodiment of the present utility model, as shown in figure 3, the first switch 31 and second switch
32 is the semiconductor switch of a pair of complementations.The first switch 31 is turned on for low level, and the second switch 32 is led for high level
Logical, wherein, the first switch 31 is connected in the first current path with the output port Pout, the second switch 32 with
The output port Pout is connected in the second current path, 32 two switches of the first switch 31 and the second switch
Control end is all connected with magnetic field detection circuit 20, and the current input terminal of first switch 31 connects high voltage (such as DC source), electricity
Stream outfan is connected with the current input terminal of second switch 32, and the current output terminal of second switch 32 connects low voltage (for example
Ground).If the magnetic field detection information of the output of magnetic field detection circuit 20 is low level, first switch 31 is turned on, second switch 32
Disconnect, load current is flowed outwardly from high voltage Jing first switches 31 and output port Pout, if the magnetic field detection circuit
The magnetic field detection information of 20 outputs are high level, and second switch 32 is turned on, and first switch 31 disconnects, and load current is from outside inflow
Output port Pout simultaneously flows through second switch 32.In the example of Fig. 3, first switch 31 is positive channel mos field
Effect transistor (p-type MOSFET), second switch 32 are negative channel mos field-effect transistor (N-type
MOSFET).It is understood that in other embodiments, first switch and second switch can also other kinds of partly be led
Body switch, can for example be junction field effect transistor (JFET) or metal semiconductor field effect transis (MESFET) etc. other effect
Answer transistor.
In another embodiment of the present utility model, as shown in figure 4, the first switch 31 is opening for high level conducting
Guan Guan, the second switch 32 connect for the negative electrode of one-way conduction diode, the control end of first switch 31 and second switch 32
Magnetic field detection circuit 20.First switch 31 current input terminal connection second source 50, the current output terminal of first switch 31 and
The anode of second switch 32 is all connected with output port Pout.Wherein, the first switch 31 is connected with the output port Pout
It is connected in the first current path, the output port Pout, the second switch 32 are connected to the magnetic field detection circuit 20
In second current path, if the magnetic field detection information of the magnetic field detection circuit 20 output is high level, first switch 31 is turned on,
Second switch 32 disconnects, and load current is flowed outwardly from 50 Jing first switches 31 of second source and output port Pout, if described
The magnetic field detection information of the output of magnetic field detection circuit 20 is low level, and second switch 32 is turned on, and first switch 31 disconnects, load
Electric current flows into output port Pout and flows through second switch 32 from outside.It is appreciated that in other embodiment of the present utility model
In, the first switch 31 and the second switch 32 can also be other structures, and this utility model is not limited to this, had
Body depends on the circumstances.
In another embodiment of the present utility model, the output control circuit 30 is with outside from the output pin
The first current path of electric current is flowed out, the second current path of electric current is flowed inward into from the output pin and is connected to institute
The switch in the first current path and the one of path of the second current path is stated, the switch is defeated by the magnetic field detection circuit
The magnetic field detection information control for going out so that the first current path and the conducting of the second current path selectivity.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, the output control circuit 30 includes a unidirectional conducting switch 33, it is single
Guide is opened up pass 33 and is connected in the first current path with output port Pout, and its current input terminal can connect magnetic field detection circuit
20 outfan, the outfan of magnetic field detection circuit 20 can also Jing resistance R1 and output port Pout be connected to it is electric with described first
In logical circulation road the second current path in opposite direction.Unidirectional conducting switch 33 is turned on when magnetic field induction signal is high level, is born
Carry electric current Jing unidirectional conducting switch 33 and output port Pout is flowed outwardly, the magnetic field induction signal is unidirectional when being low level
Open up pass 33 to disconnect, load current flows into output port Pout and flows through resistance R1 and magnetic field detection circuit 20 from outside.As
A kind of to substitute, the resistance R1 in second current path can also replace with another with 33 reverse parallel connection of unidirectional conducting switch
Unidirectional conducting switch.So, the load current for flowing out from output port and the load current for flowing into more are balanced.
In another kind is implemented, as shown in Figure 5A, the output control circuit 30 includes that differential concatenation is examined in magnetic field
Electricity diode D1 and D2 between the outfan and output port Pout of slowdown monitoring circuit 20 in parallel with the diode D1 and D2 that connect
The resistance R1 and resistance R2 being connected 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 control.Diode D1 cut-offs, load current Jing resistance R2 and diode when magnetic field detection information is high level
D2 is flowed outwardly from output port Pout, and when the 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 one embodiment of the present utility model, the input port includes
For connecting the input port of external ac power source, change in polarity of the output control circuit 30 based on the alternating current power supply and
The magnetic field detection information, makes the integrated circuit switch at least between the first state and second state.Optionally,
The magnetic field detection circuit 20 is identical with the power supply of the output control circuit 30.
On the basis of above-described embodiment, in one embodiment of the present utility model, 30 quilt of the output control circuit
It is that positive half period and the magnetic field detection circuit 20 detect that the external magnetic field polarity is first to be configured in the alternating current power supply
Polarity chron, or the alternating current power supply be negative half-cycle and the magnetic field detection circuit 20 detect the external magnetic field polarity be with
First opposite polarity second polarity chron, makes the output port flow through load current, when the alternating current power supply is just half
Cycle and external magnetic field polarity are the second polarity, or the alternating current power supply is negative half-cycle and external magnetic field polarity is the first pole
During property, flow through the output port no-load current.What deserves to be explained is, alternating current power supply is that positive half period and external magnetic field are
First polarity, or alternating current power supply is for negative half-cycle and external magnetic field is the second polarity chron, it is electric that the output port flows through load
Stream had both included the situation that output port has load current to flow through in the whole persistent period section of above-mentioned two situations, also including above-mentioned
In the case of two kinds, only in part-time section, output port has the situation that load current flows through.
On the basis of above-described embodiment, in one embodiment of the present utility model, the input port can include
The first input port of connection external ac power source and the second input port.In this utility model, input port connection external electrical
Source had both included the situation that input port is directly connected to external power source two ends, was also serially connected with including input port and external loading outer
The situation of portion's both ends of power, this utility model are not limited to this, are specifically depended on the circumstances.As shown in fig. 6, new in this practicality
In one embodiment of type, the integrated circuit is also included for the alternating current that the external ac power source 70 is exported is converted to
Galvanic rectification circuit 60.
It should be noted that in this utility model embodiment, the output control circuit being connected with the rectification circuit 60
30, the output control circuit 30 can be used at least based on the magnetic field detection information, make the integrated circuit from described
Output port flows into the second of load current to the outside first state for flowing out load current and from outside to the output port
Run under state at least one of which state, wherein, the load current also flows through the rectification circuit 60.
On the basis of above-described embodiment, in a preferred embodiment of the present utility model, the integrated circuit is also wrapped
Include the voltage regulator circuit 80 between the rectification circuit 60 and the magnetic field detection circuit 20, in the present embodiment, rectification
Circuit 60 can be used for as the first power supply 40, the voltage regulator circuit 80 as second source 50, voltage regulator circuit 80
The first voltage that the rectification circuit 60 is exported is adjusted to into second voltage, wherein, the second voltage is the magnetic field detection
The supply voltage of circuit 20, the first voltage is the supply voltage of the output control circuit 30, and the first voltage
Meansigma methodss of the meansigma methodss more than the second voltage, to reduce the power consumption of the integrated circuit, while ensure that integrated circuit has
Enough driving forces.
In a specific embodiment of the present utility model, as shown in fig. 7, the rectification circuit 60 includes：All wave rectification
Bridge 61 and the voltage regulation unit 62 being connected with the output of the full-wave rectification bridge 61, wherein, the full-wave rectification bridge 61 is used for will
The alternating current of the output of the alternating current power supply 70 is converted into unidirectional current, and the voltage regulation unit 62 is for will be the full-wave rectification bridge 61 defeated
The direct current signal for going out is stable 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, the full-wave rectification bridge 61 includes：First diode 611 of series connection and the
Two diodes 612 and the 3rd diode 613 and the 4th diode 614 of series connection；First diode 611 and described second
The common port of diode 612 is electrically connected with first input port VAC+；3rd diode 613 and the four or two pole
The common port of pipe 614 is electrically connected with the second input port VAC-；
Wherein, the input of first diode 611 is electrically connected to form with the input of the 3rd diode 613 entirely
The ground connection outfan of ripple rectifier bridge, the outfan of second diode 612 are electrically connected with the outfan of the 4th diode 614
The voltage output end VDD to form full-wave rectification bridge is met, Zener diode 621 is connected to second diode 612 and the 4th 2
Between the common port of the common port of pole pipe 614 and first diode 611 and the 3rd diode 613.Need explanation
It is that, in this utility model embodiment, the power supply terminal of the 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 one embodiment of the present utility model, as shown in figure 9, the magnetic
Field detection 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 interference to the signal of telecommunication；And AD conversion unit 23, for by after amplifying and going to disturb
The signal of telecommunication is converted to the magnetic field detection information, for the application of the polarity of the magnetic field for only needing to recognize external magnetic field, described
Magnetic field detection information can be switching mode digital signal.Field sensing component 21 can preferably be Hall Plate.
In a preferred embodiment, when the input port includes the first input end for connecting external ac power source
Mouthful and during the second input port, the frequency of the frequency of occurrences of the first state or the second state and the alternating current power supply into than
Example.It is understood that this utility model is not limited to this.
With reference to a concrete application, the Magnetic Sensor integrated circuit provided to this utility model embodiment is retouched
State.
As shown in Figure 10, this utility model embodiment additionally provides a kind of electric machine assembly, and the electric machine assembly includes：By one
The motor 200 of the power supply of alternating current power supply 100, the two-way admittance switch 300 connect with the motor 200, and according to this practicality newly
The Magnetic Sensor integrated circuit 400 provided by any of the above-described embodiment of type, the output port of the Magnetic Sensor integrated circuit 400
Electrically connect with the control end of two-way admittance switch 300.Preferably, two-way admittance switch 300 can be that three terminal bidirectional is controllable
Transwitch (TRIAC).It is appreciated that two-way admittance switch also can be realized by other kinds of suitable switch, for example, can wrap
Two thyristors of reverse parallel connection are included, and corresponding control circuit is set, according to the outfan of Magnetic Sensor integrated circuit
Control circuit described in output signal Jing of mouth controls the two thyristors according to predetermined way.
Preferably, the electric machine assembly also includes reduction voltage circuit 500, for will provide after 100 blood pressure lowering of the alternating current power supply
To the Magnetic Sensor integrated circuit 400.Magnetic Sensor integrated circuit 400 is installed to perceive rotor near the rotor of motor 200
Changes of magnetic field.
On the basis of above-described embodiment, in a specific embodiment of the present utility model, the 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 types
Magneto such as DC brushless motor.As shown in figure 11, the synchronous motor include stator and can relative stator rotation turn
Son 11.The stator winding 16 that stator has stator core 12 and is set around on 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/minutes, wherein f is the frequency of the 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
Most of formation even air gap between son and rotor is specified, 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, and the part on polar arc face 15 in addition to groove 17 is started is then concentric with rotor.It is above-mentioned to match somebody with somebody
Put and can form non-uniform magnetic field, it is ensured that rotor its pole axis S1 when static inclines an angle relative to the central shaft S2 in stator poles portion
Degree, it is allowed to which rotor can have starting torque when motor is powered in the presence of integrated circuit every time.The wherein pole axis S1 of 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 one embodiment of the present utility model, 30 quilt of the output control circuit
It is the positive half period and magnetic field detection circuit 20 detects that the magnetic field of the p-m rotor is to be configured in the alternating current power supply 100
First polarity or the alternating current power supply 100 are the negative half-cycle and magnetic field detection circuit 20 detects the p-m rotor
Magnetic field is second polarity chron opposite polarity with described first, turns on the two-way admittance switch 300.When the alternating current power supply
100 be negative half-cycle and p-m rotor be first polarity, or the alternating current power supply 100 is positive half period and the permanent magnetism
Rotor is the second polarity chron, ends the two-way admittance switch 300.
Preferably, the output control circuit 30 is configured to be located at just half in the signal of the output of the alternating current power supply 100
Cycle and the magnetic field detection circuit 20 detect that the magnetic field of the p-m rotor is the first polarity chron, and control electric current is by described integrated
Circuit flows to the two-way admittance switch 300, and the signal in the output of the alternating current power supply 100 is located at negative half-cycle and the magnetic
Detection circuit 20 detects that the magnetic field of the p-m rotor is second polarity chron opposite polarity with described first, control electric current
The integrated circuit is flowed to by two-way admittance switch 300.It is appreciated that p-m rotor is the first magnetic polarity and alternating current power supply
For positive half period, or p-m rotor is the second magnetic polarity and when alternating current power supply is negative half-cycle, the integrated circuit flow out or
Inflow current had both included the situation for having electric current to flow through in the whole persistent period section of above-mentioned two situations, also including above two feelings
The situation for only having in part-time section electric current to flow through under condition.
In one preferred embodiment of this utility model, two-way admittance switch 300 adopts triac
(TRIAC), using the circuit shown in Fig. 8, output control circuit is using the circuit shown in Fig. 4, output control electricity for rectification circuit 60
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
The ground connection outfan of end connection full-wave rectification bridge 61.When the signal of the output of alternating current power supply 100 is located at positive half period and the magnetic field
During the detection output low level of circuit 20, in output control circuit 30, first switch 31 is turned on and second switch 32 disconnects, electric current according to
It is secondary to 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, flow to two-way leading from output port
Open up pass 300 and return to alternating current power supply 100.After TRIAC300 conductings, reduction voltage circuit 500 and Magnetic Sensor integrated circuit 400 are formed
Series arm be shorted, Magnetic Sensor integrated circuit 400 stops output because of unpowered voltage, and TRIAC300 is due to flowing through
Electric current sufficiently large (maintaining electric current higher than which) between two anode, without driving current between control pole and its first anode
In the case of, TRIAC300 is remained on.When the signal of the output of alternating current power supply 100 is located at negative half-cycle and magnetic field detection electricity
During the output high level of road 20, in output control circuit 30, first switch 31 disconnects and second switch 32 is turned on, and electric current is from alternating current
Source 100 is flowed out, and flows into output port, the second switch 32, all wave rectification of Jing output control circuits 30 from two-way admittance switch 300
The ground connection outfan of bridge 61 and the first diode 611, the first input end of integrated circuit 400, motor 200 return to alternating current power supply
100.Likewise, after TRIAC300 conductings, Magnetic Sensor integrated circuit 400 stops output short-circuit, TRIAC300 because being shorted
Can then be held on.High electricity is exported when the signal of the output of alternating current power supply 100 is located at positive half period and the magnetic field detection circuit 20
It is flat, or the signal of the output of alternating current power supply 100 is located at negative half-cycle and the magnetic field detection circuit 20 exports low level, output control
In circuit processed 30, first switch 31 and second switch 32 can not be turned on, TRIAC300 cut-offs.Thus, the output control circuit
30 can make the integrated circuit control two-way admittance switch based on the change in polarity of alternating current power supply 100 and magnetic field detection information
300 switch between conducting and cut-off state in a predefined manner, and then control the step mode of stator winding 16, produce stator
Variation magnetic field coordinate the magnetic field position of rotor, only drag rotor rotation along single direction, during so as to ensureing that motor is powered every time
Rotor has fixed direction of rotation.
Understand in sum, the Magnetic Sensor integrated circuit provided by this utility model embodiment, including input port, defeated
Exit port, magnetic field detection circuit 20 and output control circuit 30, wherein, the magnetic field detection circuit 20 is used for detecting external magnetic field
And magnetic field detection information is accordingly exported, the output control circuit 30 is used at least being based on the magnetic field detection information, makes described
Integrated circuit is at least to the outside first state for flowing out electric current and certainly outside to the output port stream from the output port
Enter, so that the Magnetic Sensor integrated circuit is when electric machine assembly is applied to, it is possible to use
The magnetic field detection circuit 20 detects the Magnetic Field in the electric machine assembly at rotor so that the output control circuit
30 are at least based on the magnetic field detection information, make the integrated circuit at least from the output port to outside outflow electric current
Switch between first state and certainly outside the second state to the output port inflow current, it is ensured that motor in the electric machine assembly
Rotor all rotate in the same direction when the motor starts every time.
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 the first series arm and reduction voltage circuit and Magnetic Sensor for being formed of connecting with two-way admittance
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 switches between conducting and cut-off state in a predefined manner, and then controls the energization side of stator winding
Formula.
Electric machine assembly in this utility model embodiment can be used for but be not limited to pump, fan, household electrical appliance, Che Dengshe
In standby, the household electrical appliance can for example be washing machine, dish-washing machine, smoke exhaust ventilator, exhaust fan etc..
It should be noted that, although this utility model embodiment is carried out so that the Application of integrated circuit is in the motor as an example
Illustrate, but the application of integrated circuit provided by this utility model embodiment is not limited to this.
In this specification, various pieces are described by the way of progressive, and what each some importance was 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 are not necessarily required or implied these entities or deposit between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that a series of process, method, article or equipment including key elements not only will including those
Element, but also including 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 for being limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use that this practicality is new
Type.Various modifications to these embodiments will be apparent for those skilled in the art, 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 most wide scope of clever feature.
Claims (23)
1. a kind of Magnetic Sensor integrated circuit, it is characterised in that include：
Input port and output port；
Magnetic field detection circuit, for detecting external magnetic field and accordingly exporting magnetic field detection information；And
Output control circuit, for being at least based on the magnetic field detection information, makes the integrated circuit at least from the output
Port switches to the outside first state for flowing out electric current and from outside between the second state of the output port inflow current.
2. integrated circuit according to claim 1, it is characterised in that the magnetic field detection circuit is powered by the first power supply,
The output control circuit is powered by the second source different from first power supply.
3. integrated circuit according to claim 2, it is characterised in that the second source is the power supply of amplitude change.
4. integrated circuit according to claim 3, it is characterised in that first power supply is the constant direct current of amplitude stability
Power supply.
5. integrated circuit according to claim 2, it is characterised in that the meansigma methodss of the output voltage of first power supply are little
In the meansigma methodss of the output voltage of the second source.
6. integrated circuit according to claim 1, it is characterised in that the input port is included for connecting external communication
The input port of power supply, the output control circuit are configured to the change in polarity based on the alternating current power supply and magnetic field inspection
Measurement information, makes the integrated circuit switch at least between the first state and second state.
7. integrated circuit according to claim 1, it is characterised in that the output control circuit includes first switch and
Two switches, the first switch is connected in the first current path with the output port, the second switch and the output
Port is connected in the second current path in opposite direction with first current path, and the first switch and second switch exist
Selectively turn under the control of the magnetic field detection information.
8. integrated circuit according to claim 1, it is characterised in that the output control circuit is with drawing from the output
Foot flows outwardly the first current path of electric current, the second current path for flowing inward into electric current from the output pin, Yi Jilian
The switch being connected in first current path and the one of path of the second current path, the switch are examined by the magnetic field
The magnetic field detection information control of slowdown monitoring circuit output so that the first current path and the conducting of the second current path selectivity.
9. integrated circuit according to claim 8, it is characterised in that first current path and the second current path its
In do not set switch in another path.
10. integrated circuit according to claim 6, it is characterised in that the output control circuit is configured to described
Alternating current power supply is for positive half period and external magnetic field polarity described in the magnetic field detection electric circuit inspection is the first polarity or the friendship
Stream power supply is for negative half-cycle and external magnetic field polarity described in the magnetic field detection electric circuit inspection is opposite polarity with described first
Second polarity chron, makes the output port flow through load current, when the alternating current power supply is positive half period and external magnetic field polarity
For the second polarity, or the alternating current power supply is negative half-cycle and external magnetic field polarity is the first polarity chron, makes the outfan
Mouth no-load current flows through.
11. integrated circuits according to claim 1, it is characterised in that the magnetic field detection circuit and the output control
The power supply of circuit is identical.
12. integrated circuits according to claim 2, it is characterised in that the input port is included for connecting outside friendship
The first input port of stream power supply and the second input port, and for the alternating current that the external ac power source is exported is converted to
Galvanic rectification circuit.
13. integrated circuits according to claim 12, it is characterised in that the integrated circuit also includes voltage-regulation electricity
Road, the voltage regulator circuit for the first voltage that the rectification circuit is exported is adjusted to second voltage, wherein, described
Two voltages are the supply voltage of the magnetic field detection circuit, and the first voltage is the supply voltage of the output control circuit,
And the meansigma methodss of the first voltage are more than the meansigma methodss of the second voltage.
14. integrated circuits according to claim 1, it is characterised in that the 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 interference to the signal of telecommunication；And
AD conversion unit, for being converted to the magnetic field detection information, the magnetic by the signal of telecommunication after amplifying and going to disturb
Field detection information is switching mode digital signal.
15. Magnetic Sensor integrated circuits according to claim 1, it is characterised in that the input port is included for even
Connect the frequency of occurrences of first input port and second input port of external ac power source, the first state or the second state with
The frequency of the alternating current power supply is proportional.
16. a kind of electric machine assemblies, it is characterised in that including motor and motor-drive circuit, the motor-drive circuit has such as
The arbitrary described Magnetic Sensor integrated circuit of claim 1 to 15.
17. electric machine assemblies according to claim 16, it is characterised in that the motor-drive circuit also includes and the electricity
Machine is series at the switch of the two-way admittance between external ac power source two ends, the output port of the Magnetic Sensor integrated circuit and institute
State the control end connection of two-way admittance switch.
18. electric machine assemblies according to claim 17, it is characterised in that the motor includes stator and p-m rotor, institute
Stating stator includes stator core and the single-phase winding being wound on the stator core.
19. electric machine assemblies according to claim 18, it is characterised in that the electric machine assembly also includes reducing transformer, is used for
The Magnetic Sensor integrated circuit will be supplied to after the alternating current power supply blood pressure lowering.
20. electric machine assemblies according to claim 18, it is characterised in that the output control circuit is configured to described
It is the first polarity or described that alternating current power supply is the magnetic field of positive half period and p-m rotor described in the magnetic field detection electric circuit inspection
Alternating current power supply is that negative half-cycle and the magnetic field of p-m rotor described in the magnetic field detection electric circuit inspection are and the first polarity phase
The second anti-polarity chron, makes the two-way admittance switch conduction, when the alternating current power supply is for negative half-cycle and p-m rotor is institute
State the first polarity, or the alternating current power supply is the positive half period and p-m rotor is the second polarity chron, make described two-way lead
Open up pass cut-off.
21. electric machine assemblies according to claim 20, it is characterised in that the output control circuit is configured to described
The signal of alternating current power supply output is located at positive half period and the magnetic field of p-m rotor described in the magnetic field detection electric circuit inspection is first
Polarity chron, control electric current flow to the two-way admittance switch by the integrated circuit, and in the signal of alternating current power supply output
Positioned at negative half-cycle and the magnetic field of p-m rotor described in the magnetic field detection electric circuit inspection is opposite polarity with described first
Two polarity chrons, control electric current flow to the integrated circuit by two-way admittance switch.
A kind of 22. application apparatus with the electric machine assembly as described in claim 16 to 21 is arbitrary.
23. application apparatus as claimed in claim 22, it is characterised in that the application apparatus be pump, fan, household electrical appliance or
Person's vehicle.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNPCT/CN2015/086422 | 2015-08-07 | ||
| PCT/CN2015/086422 WO2016019921A1 (en) | 2014-08-08 | 2015-08-07 | Motor assembly and integrated circuit for motor drive |
| CN201610203681 | 2016-04-01 | ||
| CN2016102036810 | 2016-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206038884U true CN206038884U (en) | 2017-03-22 |
Family
ID=58183462
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610390049.1A Withdrawn CN106443510A (en) | 2014-08-08 | 2016-06-02 | Magnetic sensor integrated circuit, motor component and application equipment |
| CN201620535636.0U Expired - Fee Related CN206038884U (en) | 2015-08-07 | 2016-06-02 | Magnetic sensor integrated circuit , motor element and application apparatus |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610390049.1A Withdrawn CN106443510A (en) | 2014-08-08 | 2016-06-02 | Magnetic sensor integrated circuit, motor component and application equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN106443510A (en) |
| MX (1) | MX2016010153A (en) |
-
2016
- 2016-06-02 CN CN201610390049.1A patent/CN106443510A/en not_active Withdrawn
- 2016-06-02 CN CN201620535636.0U patent/CN206038884U/en not_active Expired - Fee Related
- 2016-08-04 MX MX2016010153A patent/MX2016010153A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| MX2016010153A (en) | 2018-02-05 |
| CN106443510A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205883093U (en) | Motor -drive circuit , motor element and application apparatus | |
| CN206038885U (en) | Magnetic sensor integrated circuit , motor element and application apparatus | |
| CN107315149B (en) | Magnetic sensor integrated circuit, motor assembly and application equipment | |
| CN205984965U (en) | Integrated circuit , motor element and have this motor element's application apparatus | |
| US10483830B2 (en) | Magnetic sensor integrated circuit and motor component | |
| CN205982592U (en) | Magnetic sensor integrated circuit , motor element and application apparatus | |
| CN205982593U (en) | Magnetic sensor integrated circuit , motor element and application apparatus | |
| CN205986682U (en) | Motor element , application apparatus and sensor integrated circuit | |
| US20170310254A1 (en) | Magnetic sensor integrated circuit, motor assembly and application device | |
| US20160352267A1 (en) | Motor driving circuit and motor component | |
| CN206002675U (en) | Magnetic Sensor integrated circuit, electric machine assembly and application apparatus | |
| CN206038884U (en) | Magnetic sensor integrated circuit , motor element and application apparatus | |
| CN207067370U (en) | Magnetic Sensor integrated circuit, electric machine assembly and application apparatus | |
| CN107342661B (en) | Magnetic sensor integrated circuit, motor assembly and application equipment | |
| US10075108B2 (en) | Integrated circuit, motor component and application device having the motor component | |
| CN206223949U (en) | Integrated circuit, electric machine assembly and application apparatus | |
| TWM540311U (en) | Magnetic sensor integrated circuit, motor assembly, and application device | |
| CN205982591U (en) | Integrated circuit , motor element and application apparatus | |
| JP3209106U (en) | Magnetic sensor integrated circuit and motor assembly | |
| TWM539091U (en) | Motor assembly, application device, and sensor integrated circuit | |
| BR102016018035A2 (en) | motor drive circuit, and, motor component | |
| TWM542232U (en) | Integrated circuit, motor assembly and application device | |
| KR20170017839A (en) | Magnetic sensor integrated circuit and motor assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |