CN108377146A - A kind of Hall detection circuit and intelligent wearable device - Google Patents
A kind of Hall detection circuit and intelligent wearable device Download PDFInfo
- Publication number
- CN108377146A CN108377146A CN201810338771.XA CN201810338771A CN108377146A CN 108377146 A CN108377146 A CN 108377146A CN 201810338771 A CN201810338771 A CN 201810338771A CN 108377146 A CN108377146 A CN 108377146A
- Authority
- CN
- China
- Prior art keywords
- hall
- signal
- switch
- output
- circuit
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 53
- 238000009434 installation Methods 0.000 claims abstract description 27
- 210000000707 wrist Anatomy 0.000 claims description 32
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000003750 conditioning effect Effects 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 13
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/90—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of galvano-magnetic devices, e.g. Hall-effect devices
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
The invention discloses a kind of Hall detection circuit and intelligent wearable devices.The Hall detection circuit of the present invention includes Hall sensor, is used for the variation of induced field and exports hall signal according to the variation in magnetic field；First switch circuit, for exporting the first level signal according to hall signal；Second switch circuit, for exporting second electrical level signal according to hall signal；Output circuit, for carrying out logic or operation to the first level signal and second electrical level signal and exporting installation signal.Hall detection circuit through the invention, no matter the hall signal of Hall sensor output is low level or high level, can export effectively high level, be convenient for the work of subsequent conditioning circuit, improve reliability.In addition, worker is in completed knocked down products, it is convenient to omit the polarity of outbound course and magnet to Hall sensor is identified, reduce the operating process of assembling, assembling difficulty is reduced, efficiency is improved, avoids the problem that the operating mistake due to worker causes product can not normal use.
Description
Technical field
The present invention relates to intelligent wearable device detection technique field more particularly to a kind of Hall detection circuits and intelligence to dress
Equipment.
Background technology
Current many intelligent wearable devices, such as Intelligent bracelet etc., bracelet main body are detachably arranged in wrist strap.For
Whether it has been mounted in wrist strap convenient for identification intelligent wearable device, the magnet for generating magnetic field is usually installed in wrist strap,
Hall sensor is installed, when bracelet main body is mounted in wrist strap, the Hall sensor being placed in magnetic field produces in bracelet main body
Raw hall signal, by detecting hall signal, you can learn whether bracelet main body is mounted in wrist strap.Due to hall sensing utensil
Directional, only on specific magnetic direction, the hall signal of Hall sensor output can be effectively detected,
To judge that bracelet main body is mounted in wrist strap.When magnetic direction changes, although bracelet main body is already installed in wrist strap,
It is the hall signal that Hall sensor exports at this time not being detected, leads to not judge soundly.Therefore, in product
During assembling Hall sensor and magnet, worker will first identify the direction of Hall sensor, then according to can Hall pass
Sensor exports the directionality of hall signal, installs to magnet, so that the direction in magnetic field is mutually matched with Hall sensor, makes
The hall signal of Hall sensor output can be detected effectively, realize Hall sensor for judging whether bracelet main body pacifies
Function in wrist strap.The direction of Hall sensor the problem is that, is identified, and distinguish pole of magnet using this method
Property, and magnet is installed according to specific mounting means, not only increase the complexity of operation in this way, increase operating process,
The installation for returning magnet brings certain difficulty, and the fraction defective of product is caused to increase.
Invention content
There is directionality in order to solve the hall signal exported due to Hall sensor that above-mentioned background technology proposes, cause
It can not effectively detect hall signal, to there are problems that error in judgement to the installation situation of intelligent wearable device, the present invention
Provide a kind of Hall detection circuit and intelligent wearable device.
According to an aspect of the present invention, a kind of Hall detection circuit is provided, Hall detection circuit includes：
Hall sensor is used for the variation of induced field and exports hall signal according to the variation in magnetic field；
The output end of first switch circuit, input terminal and Hall sensor connects, for exporting first according to hall signal
Level signal；
The output end of second switch circuit, input terminal and Hall sensor connects, for exporting second according to hall signal
Level signal；
Output circuit, for carrying out logic or operation to the first level signal and second electrical level signal and exporting installation letter
Number；
When hall signal is high level, the first level signal is high level, and second electrical level signal is low level, installs signal
For high level；When hall signal is low level, the first level signal is low level, and second electrical level signal is high level, installation letter
Number be high level.
Preferably, first switch circuit includes first switch pipe and first resistor, the control terminal and Hall of first switch pipe
The output end of sensor connects, and first resistor is connected in the switch ways of first switch pipe, the switch ways of first switch pipe
Both ends are separately connected power supply and ground, and output end of the wherein one end of first resistor as first switch circuit；
Second switch circuit includes second switch pipe and second resistance, the control terminal of second switch pipe and Hall sensor
Output end connects, and second resistance is connected in the switch ways of second switch pipe, the switch ways both ends difference of second switch pipe
Connect power supply and ground, and output end of the wherein one end of second resistance as first switch circuit.
Preferably, first switch pipe is NPN triode；The base stage of NPN triode and the output end of Hall sensor connect,
The collector of NPN triode is connect with power supply, and the emitter of NPN triode and the first end of first resistor connect, first resistor
Second end ground connection；Output end of the first end of first resistor as first switch circuit；
Second switch pipe is NPN triode；The base stage of NPN triode and the output end of Hall sensor connect, tri- poles NPN
The collector of pipe and the first end of second resistance connect, and the second end of second resistance is connect with power supply, the emitter of NPN triode
Ground connection；Output end of the first end of second resistance as second switch circuit.
Preferably, output circuit include or two input terminals of door or door respectively with the output end of first switch circuit and
The output end of second switch circuit connects or the output end of door output installation signal.
Preferably, whether Hall sensor has magnet close for incuding；
When the N of magnet extremely close to Hall sensor when, hall signal is low level；When the S of magnet is extremely close to hall sensing
When device, hall signal is high level.
Preferably, Hall detection circuit further includes decision circuitry, the output of the input terminal and Hall sensor of decision circuitry
End connection, for judging whether the output end of Hall sensor is high-impedance state；It is high resistant shape in the output end of Hall sensor
When state, signal is not installed in output.
According to another aspect of the present invention, a kind of intelligent wearable device is provided, intelligent wearable device includes wrist strap and removable
Unload the equipment body in wrist strap；The Hall detection circuit of any of the above-described is provided in equipment body.
Preferably, it is provided in wrist strap and the mutually matched magnet of Hall detection circuit；When equipment body is mounted on wrist strap
When interior, Hall detection circuit output installation signal；When equipment body is not installed in wrist strap, the output of Hall detection circuit is not pacified
Fill signal.
Preferably, intelligent wearable device is smartwatch or Intelligent bracelet.
According to the technique and scheme of the present invention, when Hall sensor senses the variation in magnetic field and exports hall signal, the
One switching circuit and second switch circuit export the first level signal and second electrical level signal, output electricity according to hall signal respectively
The first level signal of road pair and second electrical level signal carry out logic or operation and export installation signal.Specially hall signal is height
When level, the first level signal is high level, and second electrical level signal is low level, and output circuit exports the installation letter of high level
Number；When hall signal is low level, the first level signal is low level, and second electrical level signal is high level, output circuit output
The installation signal of high level.Technical solution through the invention, when Hall sensor senses changes of magnetic field, output circuit is equal
Effective high level signal can be exported.The Hall detection circuit is set in intelligent wearable device, without to Hall sensor
Direction be identified.When installing magnet, distinguished without to magnet polarities.It is upper in any direction that magnet is installed, suddenly
Your detection circuit can realize the arbitration functions of Hall sensor, correctly export the installation situation of intelligent wearable device main body,
To reduce the operating process of assembling intelligent wearable device, the assembling difficulty of worker is reduced, the packaging efficiency of worker is improved.
Description of the drawings
Fig. 1 is the functional block diagram of Hall detection circuit provided in an embodiment of the present invention；
Fig. 2 is the functional block diagram for the Hall detection circuit that another embodiment of the present invention provides；
Fig. 3 is the physical circuit figure of Hall detection circuit provided in an embodiment of the present invention；
Fig. 4 is the physical circuit figure for the first switch circuit that another embodiment of the present invention provides；
Fig. 5 is the physical circuit figure for the second switch circuit that another embodiment of the present invention provides.
Specific implementation mode
In order to solve technical problem mentioned above in the background art, present inventor expects in Hall sensor
Output end detects the detection signal of Hall sensor output, to judge whether the equipment body of intelligent wearable device is mounted on wrist
In band.To make the object, technical solutions and advantages of the present invention clearer, embodiment of the present invention is made below in conjunction with attached drawing
Further it is described in detail.
Fig. 1 is the functional block diagram of Hall detection circuit provided in an embodiment of the present invention, as shown in Figure 1, Hall detection electricity
Road includes Hall sensor 10, first switch circuit 21, second switch circuit 22 and output circuit 30.Hall sensor 10 is used
In induced field variation and according to the variation in the magnetic field export hall signal.For example, when Hall sensor 10 is placed in forward direction
When in magnetic field, positive magnetic field can be the magnetic direction that the N of magnet is extremely generated close to Hall sensor 10, and Hall sensor 10 is defeated
Go out low level hall signal；When Hall sensor 10 is placed in opposing magnetic field, opposing magnetic field is the S of magnet extremely close to Hall
The magnetic direction that sensor 10 generates, Hall sensor 10 export the hall signal of high level；When Hall sensor 10 is not disposed in
When in magnetic field, Hall sensor 10 is exported without hall signal, and output end is high-impedance state.The input terminal of first switch circuit 21 with
The output end of Hall sensor 10 connects, for exporting the first level signal according to hall signal.Second switch circuit 22 it is defeated
Enter end to connect with the output end of Hall sensor 10, for exporting second electrical level signal according to hall signal.Output circuit 30 is used
In carrying out logic or operation to the first level signal and second electrical level signal and export installation signal.Specifically, first switch is electric
Hall signal and a high level signal are carried out logic and operation by road 21, export the first level signal；Second switch circuit 22 will
Hall signal carries out logical not operation, exports second electrical level signal, output circuit 30 is again by the first level signal and second electrical level
Signal carries out logic or operation.Therefore, when hall signal is high level, the first level signal of the output of first switch circuit 21
For high level, the second electrical level signal that second switch circuit 22 exports is low level.First level signal and second electrical level signal
There are when a high level, output circuit 30 exports high level using logic or operation, i.e., output circuit 30 exports high electricity at this time
Flat installation signal；Hall signal be low level when, first switch circuit 21 export the first level signal be low level, second
The second electrical level signal that switching circuit 22 exports is high level, and there is also one for the first level signal and second electrical level signal at this time
High level, output circuit 30 also export high level using logic or operation, i.e., output circuit 30 also exports the peace of high level at this time
Fill signal.The logic or principle of operation of output circuit 30 are, when being high level there are at least one input, to export as high electricity
It is flat.Using this kind of mode, no matter the hall signal that Hall sensor 10 exports is low level or high level, the equal energy of output circuit
Enough accurate output high level realize Hall sensor 10 so that the output of Hall sensor 10 can be effectively detected
Arbitration functions.
First switch circuit 21 and second switch circuit 22 carry out processing the first level signal of output and the to hall signal
Two level signals, specially 21 first switch circuit of first switch circuit includes first switch pipe and first resistor, first switch
The control terminal of pipe is connect with the output end of Hall sensor 10, and first resistor is connected in the switch ways of first switch pipe, the
The switch ways both ends of one switching tube are separately connected power supply and ground, and wherein one end of first resistor is as first switch circuit 21
Output end.Second switch circuit 22 includes second switch pipe and second resistance, the control terminal and hall sensing of second switch pipe
The output end of device 10 connects, and second resistance is connected in the switch ways of second switch pipe, the switch ways two of second switch pipe
End is separately connected power supply and ground, and output end of the wherein one end of second resistance as first switch circuit.Using switching tube
Setting can carry out different processing output, to make output circuit when Hall sensor 10 exports different hall signals
There are at least one high level for 30 two input terminals.As long as i.e. Hall sensor 10 exports hall signal, output circuit 30 exists
After carrying out logic or operation, output high level can be kept, so that subsequent conditioning circuit is utilized convenient for detection, carries out other fuction outputs.
For example, the bracelet main body of existing Intelligent bracelet is also act as bluetooth headset in addition to realizing bracelet function.The Hall of the present invention is examined
Slowdown monitoring circuit is arranged in bracelet main body, and setting magnet and the Hall sensor 10 of bracelet main body cooperate in wrist strap.Work as bracelet
When main body is mounted in wrist strap, output circuit 30 exports high level, after the bluetooth headset in bracelet main body detects the high level
It closes Bluetooth function and improves the cruising ability of bracelet main body to save the electric energy of bracelet main body.When bracelet main body is by from wrist strap
In remove, illustrate that user may be received calls or music etc. using bluetooth headset, output circuit 30 is without the high electricity of output at this time
Flat, the instant opened bluetooth function of bluetooth headset realizes the connection with mobile phone or other electronic equipments, user-friendly, simultaneously
Improve user experience.
Hall detection circuit through this embodiment has magnet to lean on as long as Hall sensor 10 is placed in magnetic field
Nearly Hall sensor 10, the installation signal of the exportable high level of output circuit 30, to realize the judgement of Hall sensor 10
Function.That is upper installation Hall sensor 10 and magnet in any direction, Hall sensor 10 can be by near magnets, into magnetic
When field, output circuit 30 exports effective high level.It is identified without the direction to Hall sensor, when installing magnet,
It is distinguished without to magnet polarities, reduces the operating process of assembling intelligent wearable device, reduce the assembling difficulty of worker, carry
The packaging efficiency of high worker.
When Hall sensor 10 is far from magnetic field, i.e., Hall sensor 10 is passed through without magnetic induction line, at this time Hall sensor 10
Without output, high-impedance state is presented in output end.The high-impedance state of Hall sensor 10 and different, hall sensing when output hall signal
Device 10 export hall signal when, output end exist output, and high-impedance state be output end without output.Due to first switch circuit 21
The hall signal only exported to Hall sensor 10 with second switch circuit 22 is handled, and None- identified Hall sensor 10 is defeated
The high-impedance state of outlet.Therefore, in order to whether distinguish Hall sensor 10 close to magnetic field, i.e. the output end of Hall sensor 10 is
No is high-impedance state, decision circuitry 40 is arranged in Hall detection circuit, as shown in Figure 2.The input terminal of decision circuitry 40 with suddenly
The output end connection of your sensor 10, for judging whether the output end of Hall sensor 10 is high-impedance state；In hall sensing
When the output end of device 10 is high-impedance state, signal is not installed in output.Specifically, can be arranged in the output end of Hall sensor 10
Detection unit, the output end for detecting Hall sensor 10 have no signal output.Such as by the output end of Hall sensor 10
The ports I/O of microcontroller are connected to, when output end no signal exports, i.e. without input, microcontroller both can real-time judge for the ports I/O
The output end of Hall sensor 10 is high-impedance state, to which signal is not installed in output, that is, judges that 10 non-magnet of Hall sensor leans on
Closely, far from magnetic field.When the output end of Hall sensor 10 exports hall signal, the ports I/O of microcontroller receive input, this
When stop that the output of signal is not installed, first switch circuit 21 and second switch circuit 22 open work, will have directive
Hall signal is uniformly processed, and exports the installation signal of high level.It should be noted that microcontroller and first switch circuit 21 and
Second switch circuit 22 is in parallel, respectively works independently, and improves the working efficiency of Hall detection circuit, increases Hall sensor 10
Judging nicety rate.
Fig. 3 shows a kind of physical circuit figure of Hall detection circuit provided in an embodiment of the present invention, as shown in figure 3, the
One switching circuit 21 further includes first resistor R1, and first switch pipe is NPN triode Q1.The base stage and Hall of NPN triode Q1
The output end of sensor 10 connects, and the collector of NPN triode Q1 is connect with power supply, the emitter of NPN triode Q1 and first
The first end of resistance R1 connects, the second end ground connection of first resistor R1.The first end of first resistor R1 is as first switch circuit
21 output end exports the first level signal.
When the hall signal that Hall sensor 10 exports is high level, the base stage of NPN triode Q1 receives height electricity
It is flat, to make emitter be connected with collector.The emitter of NPN triode Q1 is drawn high by power supply, exports high level.When Hall passes
When the hall signal that sensor 10 exports is low level, NPN triodes Q1 cut-offs, emitter is disconnected with collector, NPN tri-
The emitter of pole pipe Q1 is pulled low to ground by NPN resistance R1, low level is exported, to realize first switch circuit 21 to suddenly
The processing of your signal.First switch pipe selects NPN triode, can be connected when base stage has electric current input, ensures the essence of control
Exactness.It should be noted that above-mentioned is only the one of which embodiment of first switch circuit 21, first switch pipe is in addition to that can be
Can also be PNP triode, N-channel MOS pipe, P-channel metal-oxide-semiconductor etc., first resistor R1 and first outside above-mentioned NPN triode
The connection relation of switching tube accordingly changes according to the difference of first switch pipe, it is only necessary to which the control terminal for meeting first switch pipe is defeated
When entering high level, first switch circuit 21 exports high level, when the control terminal input low level of first switch pipe, first switch electricity
Road 21 exports low level.By taking first switch pipe is PNP triode as an example, specific circuit connection is as shown in figure 4, PNP triode
The base stage of Q2 is connect with the output end of Hall sensor 10, and emitter ground connection, collector is connect with the first end of first resistor R1,
The second end of first resistor is connect with power supply VCC.Output end of the first end of first resistor R1 as first switch circuit 21, it is defeated
Go out the first level signal.When Hall sensor 10 exports high level, PNP triode Q2 cut-offs, the high electricity of first resistor R1 outputs
Ordinary mail number；When Hall sensor 10 exports low level, PNP triode Q2 conductings, first resistor R1 exports low level, to realize
When Hall sensor 10 exports high level, first switch circuit 21 also exports high level, when Hall sensor 10 exports low level,
First switch circuit 21 also exports low level.
Second switch circuit 22 further includes second resistance R2, and second switch pipe is NPN triode Q2.NPN triode Q2's
The output end of base stage and Hall sensor connects, and the collector of NPN triode Q2 is connect with the first end of NPN resistance R2, NPN electricity
The ends NPN of resistance R2 are connect with power supply, the emitter ground connection of NPN triodes Q2；The first end of second resistance is as second switch electricity
The output end on road 22 exports second electrical level signal.
When the hall signal that Hall sensor 10 exports is high level, the base stage of NPN triode Q2 receives height electricity
It is flat, to make emitter be connected with collector.The collector of NPN triode Q2 is pulled low to ground, exports low level.When Hall passes
When the hall signal that sensor 10 exports is low level, NPN triodes Q2 cut-offs, emitter is disconnected with collector, NPN tri-
The collector pole of pole pipe Q2 is drawn high by NPN resistance R2 by power supply, high level is exported, to realize NPN switching circuits 22 to suddenly
The processing of your signal.It should be noted that above-mentioned is only the one of which embodiment of second switch circuit 22, second switch pipe removes
It can also be PNP triode, N-channel MOS pipe, P-channel metal-oxide-semiconductor etc., second resistance outside above-mentioned NPN triode that can be
R2 to the connection relation of second switch pipe is corresponding according to the difference of second switch pipe changes, it is only necessary to meet second switch pipe
When control terminal input high level, second switch circuit 22 exports low level, when the control terminal input low level of second switch pipe, the
Two switching circuits 22 export high level.By taking second switch pipe is PNP triode as an example, the connection of specific circuit as shown in figure 5,
The base stage of PNP triode Q2 is connect with the output end of Hall sensor 10, and collector is connect with power supply VCC, emitter and second
The first end of resistance R2 connects, the second end ground connection of second resistance R2.The first end of second resistance R2 is as second switch circuit
22 output end exports second electrical level signal.When Hall sensor 10 exports high level, PNP triode Q2 cut-offs, the second electricity
It hinders R2 and exports low level；When Hall sensor 10 exports low level, PNP triode Q2 conductings, second resistance exports high level,
When to realize that Hall sensor 10 exports high level, second switch circuit 22 exports low level, and Hall sensor 10 exports low
When level, second switch circuit 22 exports high level.
As shown in figure 3, output circuit 30 includes or door, for carrying out logic or operation.Specifically or two of door defeated
Enter that end connect with the output end of the output end of first switch circuit 21 and second switch circuit 22 respectively or the output end of door exports
Signal is installed.Or diode realization may be used in door, distinguishes in the output end of first switch circuit 21 and second switch circuit 22
Forward direction one diode of series connection, when first switch circuit 21 and second switch circuit 22 are there are when at least one high level output,
Corresponding diode current flow exports high level, to realize logic or operation, enables the hall signal of the output of Hall sensor 10
It is enough accurately to be exported, it avoids the problem that not exporting when hall signal is low level and causes misjudgment.
Using arrangement above, no matter the hall signal that Hall sensor 10 exports is high level or low level, and first opens
Powered-down road 21 and second switch circuit 22 can be handled accordingly, export high level or low level signal, output respectively
Circuit 30 or door with hall signal is accurately exported after logic or operation, convenient for subsequent conditioning circuit detection output, realize that Hall passes
The arbitration functions of sensor 10, without distinguishing the magnetic direction by Hall sensor 10, it is low level to avoid hall signal
The problem of Shi Wufa outputs cause misjudgment.
According to another aspect of the present invention, a kind of intelligent wearable device is provided, the intelligent wearable device include wrist strap and
The equipment body being removably mounted in wrist strap；The Hall detection circuit shown in above-described embodiment is provided in equipment body.Tool
Body, it is provided in the wrist strap of intelligent wearable device and 10 mutually matched magnet of Hall sensor.When equipment body is mounted on
When in wrist strap, Hall detection circuit output installation signal；When equipment body is not installed in wrist strap, the output of Hall detection circuit
Signal is not installed.The Hall detection circuit, as long as Hall sensor 10 exports hall signal, no matter the hall signal is low level
Or high level, can be handled hall signal, and effectively high level improves convenient for the work of subsequent conditioning circuit for output
Reliability.
It should be noted that Hall detection circuit is arranged in intelligent wearable device, worker can save in completed knocked down products
Slightly the outbound course of Hall sensor 10 is identified, can also omit and magnet is installed with specific installation direction, reduce
The operating process for assembling intelligent wearable device, reduces the assembling difficulty of worker, improves the packaging efficiency of worker, avoid due to worker
Operating mistake cause product can not normal use the problem of.
In the present embodiment, intelligent wearable device can be smartwatch or Intelligent bracelet.For example, existing Intelligent bracelet
Bracelet main body is also devised to a bluetooth headset in addition to realizing bracelet function.The Hall detection circuit setting of the present invention is existed
In bracelet main body, setting magnet and the Hall sensor 10 of bracelet main body cooperate in wrist strap.When bracelet main body is mounted on wrist
With it is interior when, output circuit 30 exports high level, and the bluetooth headset in bracelet main body closes Bluetooth function after detecting the high level,
To save the electric energy of bracelet main body, the cruising ability of bracelet main body is improved.When bracelet main body is removed from wrist strap, illustrate to use
Family may be received calls using bluetooth headset or music etc., and output circuit 30 is without output high level, bluetooth headset at this time
When opened bluetooth function, realize the connection with mobile phone or other electronic equipments, it is user-friendly, while improving user experience.
In conclusion Hall detection circuit through the invention, when Hall sensor senses the variation in magnetic field and output
When hall signal, first switch circuit and second switch circuit export the first level signal and the second electricity according to hall signal respectively
Ordinary mail number, the first level signal of output circuit pair and second electrical level signal carry out logic or operation and export installation signal.This is suddenly
That detection circuit, as long as Hall sensor 10 exports hall signal, no matter the hall signal is low level or high level, equal energy
Enough to handle hall signal, effectively high level improves reliability convenient for the work of subsequent conditioning circuit for output.It is worn intelligently
Wear and Hall detection circuit be set in equipment, worker is in completed knocked down products, it is convenient to omit to the outbound course of Hall sensor 10 into
Row identification, can also omit and install magnet with specific installation direction, reduce the operating process of assembling intelligent wearable device, drop
The assembling difficulty of low worker, improves the packaging efficiency of worker, avoids the operating mistake due to worker that product is caused not make normally
The problem of using.
In addition, intelligent wearable device can also using Hall detection circuit export installation signal and do not install signal progress
The state of other functions switches, such as in Intelligent bracelet, when bracelet main body is mounted in wrist strap, the output of Hall detection circuit
Signal is installed, the bluetooth headset in bracelet main body closes Bluetooth function after detecting the installation signal, to save bracelet main body
Electric energy, improve the cruising ability of bracelet main body.When bracelet main body is removed from wrist strap, illustrate that user may utilize bluetooth
Earphone receiving phone or music etc., at this time Hall detection circuit output are to install signal, the instant opened bluetooth function of bracelet main body,
Realize the connection with mobile phone or other electronic equipments, it is user-friendly, while improving user experience.
The above description is merely a specific embodiment, under the above-mentioned introduction of the present invention, those skilled in the art
Other improvement or deformation can be carried out on the basis of the above embodiments.It will be understood by those skilled in the art that above-mentioned tool
Body description only preferably explains that the purpose of the present invention, protection scope of the present invention should be subject to the protection scope in claims.
Claims (9)
1. a kind of Hall detection circuit, which is characterized in that the Hall detection circuit includes：
Hall sensor is used for the variation of induced field and exports hall signal according to the variation in the magnetic field；
First switch circuit, input terminal are connect with the output end of the Hall sensor, for exporting first according to hall signal
Level signal；
Second switch circuit, input terminal are connect with the output end of the Hall sensor, for exporting second according to hall signal
Level signal；
Output circuit, for carrying out logic or operation to first level signal and the second electrical level signal and exporting installation
Signal；
When the hall signal is high level, first level signal is high level, and the second electrical level signal is low level,
The installation signal is high level；The hall signal be low level when, first level signal be low level, described second
Level signal is high level, and the installation signal is high level.
2. Hall detection circuit according to claim 1, which is characterized in that
The first switch circuit includes first switch pipe and first resistor, control terminal and the Hall of the first switch pipe
The output end of sensor connects, and the first resistor is connected in the switch ways of the first switch pipe, the first switch
The switch ways both ends of pipe are separately connected power supply and ground, and wherein one end of the first resistor is as the first switch circuit
Output end；
The second switch circuit includes second switch pipe and second resistance, control terminal and the Hall of the second switch pipe
The output end of sensor connects, and the second resistance is connected in the switch ways of the second switch pipe, the second switch
The switch ways both ends of pipe are separately connected power supply and ground, and wherein one end of the second resistance is as the first switch circuit
Output end.
3. Hall detection circuit according to claim 2, which is characterized in that
The first switch pipe is NPN triode；The base stage of the NPN triode and the output end of the Hall sensor connect
It connects, the collector of the NPN triode is connect with power supply, the emitter of the NPN triode and the first of the first resistor
End connection, the second end ground connection of the first resistor；Output end of the first end of the first resistor as first switch circuit；
The second switch pipe is NPN triode；The base stage of the NPN triode and the output end of the Hall sensor connect
It connects, the collector of the NPN triode is connect with the first end of the second resistance, the second end and power supply of the second resistance
Connection, the emitter ground connection of the NPN triode；Output of the first end of the second resistance as the second switch circuit
End.
4. Hall detection circuit according to claim 1, which is characterized in that
The output circuit includes or door, described or door two input terminals respectively with the output end of the first switch circuit and
The output end of the second switch circuit connects, described or door output end output installation signal.
5. according to any Hall detection circuits of claim 1-4, which is characterized in that the Hall sensor is for incuding
Whether there is magnet close；
When the N of magnet extremely close to Hall sensor when, the hall signal be low level；When the S of magnet is extremely close to hall sensing
When device, the hall signal is high level.
6. according to any Hall detection circuits of claim 1-4, which is characterized in that
The Hall detection circuit further includes decision circuitry, the output of the input terminal of the decision circuitry and the Hall sensor
End connection, for judging whether the output end of the Hall sensor is high-impedance state；In the output end of the Hall sensor
For high-impedance state when, output signal is not installed.
7. a kind of intelligent wearable device, which is characterized in that the intelligent wearable device includes wrist strap and is removably mounted at wrist strap
Interior equipment body；Hall detection circuit according to any one of claims 1 to 6 is provided in the equipment body.
8. intelligent wearable device according to claim 7, which is characterized in that be provided in the wrist strap and examined with the Hall
The mutually matched magnet of slowdown monitoring circuit；
When the equipment body is mounted in the wrist strap, the Hall detection circuit output installation signal；When the equipment
When main body is not installed in the wrist strap, signal is not installed in the Hall detection circuit output.
9. intelligent wearable device according to claim 8, which is characterized in that the intelligent wearable device be smartwatch or
Intelligent bracelet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810338771.XA CN108377146B (en) | 2018-04-16 | 2018-04-16 | Hall detection circuit and intelligent wearing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810338771.XA CN108377146B (en) | 2018-04-16 | 2018-04-16 | Hall detection circuit and intelligent wearing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108377146A true CN108377146A (en) | 2018-08-07 |
| CN108377146B CN108377146B (en) | 2024-04-02 |
Family
ID=63032325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810338771.XA Active CN108377146B (en) | 2018-04-16 | 2018-04-16 | Hall detection circuit and intelligent wearing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108377146B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501938A (en) * | 2019-08-01 | 2019-11-26 | 深圳市睿耳电子有限公司 | A kind of Hall control circuit |
| CN110849398A (en) * | 2019-11-14 | 2020-02-28 | 广州杰赛科技股份有限公司 | Wearing state detection device of wearing equipment and wearing equipment |
| CN111798604A (en) * | 2019-03-21 | 2020-10-20 | 佳纶生技股份有限公司 | Card reading device and access control system |
| CN113030793A (en) * | 2021-02-26 | 2021-06-25 | 山东英信计算机技术有限公司 | Connector connection state detection system |
| CN114052456A (en) * | 2020-08-05 | 2022-02-18 | 杭州九阳小家电有限公司 | Detection method of food processing machine and food processing machine |
| CN114204649A (en) * | 2022-01-12 | 2022-03-18 | 天津爱玛运动用品有限公司 | Dual-battery parallel control system and method for electric vehicle |
| CN114521502A (en) * | 2022-01-14 | 2022-05-24 | 重庆美特亚电子科技有限公司 | Feeding trigger rod and blanking trigger control method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6362618B1 (en) * | 1998-12-19 | 2002-03-26 | Micronas Gmbh | Hall sensor for stress and temperature measurements in addition to magnetic field measurement |
| WO2011021521A1 (en) * | 2009-08-19 | 2011-02-24 | ローム株式会社 | Magnetic sensor device and electronic equipment using same |
| US20120286853A1 (en) * | 2010-02-26 | 2012-11-15 | Panasonic Corporation | Semiconductor integrated circuit |
| CN103167144A (en) * | 2012-09-20 | 2013-06-19 | 深圳市金立通信设备有限公司 | Intelligent player system and method of mobile phone |
| CN204789746U (en) * | 2015-07-15 | 2015-11-18 | 威胜集团有限公司 | Current detection device and electric energy meter of making with device |
| CN205584168U (en) * | 2016-05-10 | 2016-09-14 | 四川长虹技佳精工有限公司 | Hall proximity switch circuit |
| WO2017222130A1 (en) * | 2016-06-22 | 2017-12-28 | 타타대우상용차 주식회사 | Vehicle door opening/closing system and control method therefor |
| CN107546814A (en) * | 2017-10-16 | 2018-01-05 | 歌尔科技有限公司 | A kind of charging base and electronic product |
| CN208158562U (en) * | 2018-04-16 | 2018-11-27 | 歌尔科技有限公司 | A kind of Hall detection circuit and intelligent wearable device |
-
2018
- 2018-04-16 CN CN201810338771.XA patent/CN108377146B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6362618B1 (en) * | 1998-12-19 | 2002-03-26 | Micronas Gmbh | Hall sensor for stress and temperature measurements in addition to magnetic field measurement |
| WO2011021521A1 (en) * | 2009-08-19 | 2011-02-24 | ローム株式会社 | Magnetic sensor device and electronic equipment using same |
| US20120286853A1 (en) * | 2010-02-26 | 2012-11-15 | Panasonic Corporation | Semiconductor integrated circuit |
| CN103167144A (en) * | 2012-09-20 | 2013-06-19 | 深圳市金立通信设备有限公司 | Intelligent player system and method of mobile phone |
| CN204789746U (en) * | 2015-07-15 | 2015-11-18 | 威胜集团有限公司 | Current detection device and electric energy meter of making with device |
| CN205584168U (en) * | 2016-05-10 | 2016-09-14 | 四川长虹技佳精工有限公司 | Hall proximity switch circuit |
| WO2017222130A1 (en) * | 2016-06-22 | 2017-12-28 | 타타대우상용차 주식회사 | Vehicle door opening/closing system and control method therefor |
| CN107546814A (en) * | 2017-10-16 | 2018-01-05 | 歌尔科技有限公司 | A kind of charging base and electronic product |
| CN208158562U (en) * | 2018-04-16 | 2018-11-27 | 歌尔科技有限公司 | A kind of Hall detection circuit and intelligent wearable device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111798604A (en) * | 2019-03-21 | 2020-10-20 | 佳纶生技股份有限公司 | Card reading device and access control system |
| CN110501938A (en) * | 2019-08-01 | 2019-11-26 | 深圳市睿耳电子有限公司 | A kind of Hall control circuit |
| CN110849398A (en) * | 2019-11-14 | 2020-02-28 | 广州杰赛科技股份有限公司 | Wearing state detection device of wearing equipment and wearing equipment |
| CN114052456A (en) * | 2020-08-05 | 2022-02-18 | 杭州九阳小家电有限公司 | Detection method of food processing machine and food processing machine |
| CN113030793A (en) * | 2021-02-26 | 2021-06-25 | 山东英信计算机技术有限公司 | Connector connection state detection system |
| CN114204649A (en) * | 2022-01-12 | 2022-03-18 | 天津爱玛运动用品有限公司 | Dual-battery parallel control system and method for electric vehicle |
| CN114521502A (en) * | 2022-01-14 | 2022-05-24 | 重庆美特亚电子科技有限公司 | Feeding trigger rod and blanking trigger control method |
| CN114521502B (en) * | 2022-01-14 | 2023-07-21 | 重庆美特亚电子科技有限公司 | Feeding trigger rod and discharging trigger control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108377146B (en) | 2024-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108377146A (en) | A kind of Hall detection circuit and intelligent wearable device | |
| CN103106168B (en) | Automatic serial port protection circuit | |
| CN105022468B (en) | USB adapter and USB line | |
| CN109001622A (en) | A kind of detection method of the external on-load switch of electric energy meter | |
| CN208158562U (en) | A kind of Hall detection circuit and intelligent wearable device | |
| CN205750769U (en) | Clock monitoring circuit | |
| CN207281214U (en) | Type-C interface and connection detection circuit thereof | |
| CN115525099B (en) | Terminal equipment and method for detecting keyboard access | |
| CN108563601A (en) | The super adaption system of serial ports | |
| CN104364670B (en) | Magnetic sensor | |
| CN208722186U (en) | The super adaption system of serial ports | |
| CN102879705B (en) | Flexible circuit board touch screen IC passage is short/out of circuit test method | |
| CN206096382U (en) | Many buttons switch detection circuit | |
| CN100389455C (en) | Device and method for detecting sound type | |
| CN204950032U (en) | Express delivery cabinet with remind function | |
| KR20030081546A (en) | Apparatus and method for controlling the malfunction of hall effect switch used for sensing open or close of the flip or polder of terminal equipment | |
| CN209462561U (en) | A kind of no key control device and earphone | |
| CN209055644U (en) | A kind of device of multi-mode battery capacity indication | |
| CN106656131A (en) | Financial self-service device and power supply switch control circuit thereof | |
| CN106026054A (en) | Digital output self-inspection circuit | |
| CN102957142B (en) | Based on the Fieldbus Intelligent distributor of IEC61158-2 transmission technology | |
| CN104730379B (en) | A kind of power information acquisition terminal proving installation | |
| CN101231179B (en) | Strobe circuit | |
| CN105510804B (en) | A kind of signal loop detection circuit and method | |
| CN204439759U (en) | A kind of device for detecting power information acquisition terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |