CN110132318A - A kind of detection components and detection method of wrist machine wearing state - Google Patents
A kind of detection components and detection method of wrist machine wearing state Download PDFInfo
- Publication number
- CN110132318A CN110132318A CN201910363378.0A CN201910363378A CN110132318A CN 110132318 A CN110132318 A CN 110132318A CN 201910363378 A CN201910363378 A CN 201910363378A CN 110132318 A CN110132318 A CN 110132318A
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- Prior art keywords
- capacitance
- wrist machine
- wearing state
- wrist
- steel plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2605—Measuring capacitance
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- General Physics & Mathematics (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The present invention relates to the detection components and detection method of a kind of wrist machine wearing state, which includes: two parallel ferromagnetism steel plates, and at least one ferromagnetism steel plate contacts with arm when wrist machine is worn and generates capacitance；Capacitance detector is electrically connected with the ferromagnetism steel plate, for detecting the capacitance in ferromagnetism steel plate；Microprocessor is electrically connected with capacitance detector, and the wearing state of wrist machine is judged for the variation according to capacitance.The detection components and detection method of wrist machine wearing state of the invention are simple and easy, can be directly used on wrist machine, reliable and stable, and the wearing state of wrist machine can be accurately detected when user is static, unrestricted.
Description
Technical field
The present invention relates to technical field of electronic products, more particularly, to the detection components and detection of a kind of wrist machine wearing state
Method.
Background technique
The wearing state detection function of current wrist machine is realized by acceleration transducer mostly, but works as user in static shape
When state, wearing state detection will fail.
Summary of the invention
The object of the present invention is to provide the detection components and detection method of a kind of wrist machine wearing state, solve in the prior art
Wrist machine the problem of wearing state can not be detected when user is static.
The technical proposal for solving the technical problem of the invention is: a kind of detection components of wrist machine wearing state, comprising:
Two parallel ferromagnetism steel plates, and at least one ferromagnetism steel plate is contacted and is generated with arm when wrist machine is worn
Capacitance；
Capacitance detector is electrically connected with the ferromagnetism steel plate, for detecting the capacitance in ferromagnetism steel plate；
Microprocessor is electrically connected with capacitance detector, and the wearing state of wrist machine is judged for the variation according to capacitance.
In detection components of the invention, each ferromagnetism steel plate is metal foil or gold made of conductive metal
Belong to line.
In detection components of the invention, the conductive metal is copper, silver or aluminium.
In detection components of the invention, wrist machine includes body shell and wrist strap, in two parallel ferromagnetism steel plates
At least one ferromagnetism steel plate side that the body shell is contacted with arm is set or is arranged in the wrist strap and arm
The side of contact.
In detection components of the invention, the distance between two parallel ferromagnetism steel plates >=0.1mm.
In detection components of the invention, the capacitance detector is capacitance detecting chips.
The present invention also provides the detection methods of the detection components of above-mentioned wrist machine wearing state, comprising:
Microprocessor obtains the capacitance that capacitance detector is surveyed from ferromagnetism steel plate；
Microprocessor judges the wearing state of wrist machine according to the variation of capacitance.
In detection method of the invention, the microprocessor judges that the wearing state of wrist machine has according to the variation of capacitance
Body includes: the capacitance that obtains of the microprocessor when being zero, it is determined that wrist machine is not worn；The electricity that the microprocessor obtains
When capacity is greater than zero, it is determined that wrist machine is worn.
In detection method of the invention, the microprocessor judges the wearing state of wrist machine also according to the variation of capacitance
Specifically include: the capacitance that the microprocessor obtains within a preset time is stablized in default fluctuation range, it is determined that wrist machine
That wears is suitable；Otherwise, it is determined that the pine or tight that wrist machine is worn.
In detection method of the invention, the default fluctuation range refers to capacitance detector acquisition within a preset time
The difference of the maxima and minima of capacitance≤10 μ F.
The detection components and detection method for implementing wrist machine wearing state of the invention, have the advantages that the present invention
Wrist machine wearing state detection components and detection method it is simple and easy, can be directly used on wrist machine, it is reliable and stable, it is quiet in user
The wearing state of wrist machine can be accurately detected when only, it is unrestricted.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the detection components of wrist machine wearing state of the invention.
Specific embodiment
With reference to the accompanying drawings and examples, the detection components and detection method of wrist machine wearing state of the invention are made into one
Step explanation:
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Present pre-ferred embodiments provide a kind of detection components of wrist machine wearing state, and wrist machine 1 here can refer to
Motion bracelet, Intelligent bracelet, smartwatch etc..Wrist machine generally includes body shell and wrist strap, and body shell refers to the main body of wrist machine
Partial shell, wrist strap are connected to the both ends of main part.
As shown in Figure 1, detection components include two parallel ferromagnetism steel plates 11, and at least one ferromagnetism steel plate 11 exists
Wrist machine contacts with arm when wearing and generates capacitance.Specifically, a conductive gold in two parallel ferromagnetism steel plates 11
Belong to part 11 to be arranged on the side surface that wrist strap is contacted when wearing with arm or on the side surface that body shell is contacted with arm,
I.e. the ferromagnetism steel plate 11 is exposed to the side surface that wrist strap or body shell are contacted with arm, the setting of another ferromagnetism steel plate 11
It is not exposed inside wrist strap or is arranged in body shell and does not expose.In another embodiment, can also two it is flat
Capable ferromagnetism steel plate 11 is arranged on the side surface that wrist strap is contacted when wearing with arm, or is arranged at body shell
On the side surface contacted with arm, i.e., this two parallel ferromagnetism steel plates 11 are exposed to wrist strap or body shell is contacted with arm
A side surface.
The distance between two parallel ferromagnetism steel plates 11 >=0.1mm, it is preferable that two parallel ferromagnetism steel plates 11
The distance between 2-5mm so that generate capacitor it is more stable, accurate.Each ferromagnetism steel plate 11 is made of conductive metal
, such as copper, silver, aluminium, also electrically conductive alloy etc..Ferromagnetism steel plate 11 can be metal foil, such as copper foil, aluminium foil
Deng then the surface of a metal foil is oppositely arranged and is parallel to each other with the surface of another metal foil, and two parallel to lead
The distance between electric metal part 11 refers to the distance between the apparent surface of two metal foils.In another embodiment, conductive
Metalwork 11 is also possible to metal wire, such as copper wire, silver wire, aluminum steel.
Detection components further include capacitance detector 12, and capacitance detector 12 is electrically connected with ferromagnetism steel plate 11, for detecting
Capacitance in ferromagnetism steel plate 11.Specifically, capacitance detector 12 be connected electrically in any one ferromagnetism steel plate 11 or electricity
It is connected in two ferromagnetism steel plates 11.Capacitance detector 12 preferably uses capacitance detecting chips, and small in size, occupy-place is few, capacitor
Detection chip is that the prior art is existing, such as the MAX1441 capacitance detecting chips of U.S. letter (Maxim), Irvine Sensor company
MS3110 capacitance detecting chips etc..
Detection components further include microprocessor 13 (MCU), such as single-chip microcontroller commonly used in the prior art.Microprocessor 13
It is electrically connected with capacitance detector 12, the wearing state of wrist machine is judged for the variation according to capacitance.For example, microprocessor 13 obtains
When the capacitance taken is zero, it is determined that wrist machine 1 is not worn；When the capacitance that microprocessor 13 obtains is greater than zero, it is determined that wrist
Machine 1 is worn；The capacitance that microprocessor 13 obtains within a preset time is stablized in default fluctuation range, it is determined that wrist machine 1
That wears is suitable；Otherwise, it is determined that the pine or tight that wrist machine 1 is worn, wherein default fluctuation range refers to capacitor within a preset time
Difference≤10 μ F of the maxima and minima for the capacitance that detector 12 obtains.
The present invention also provides the detection methods of the detection components of above-mentioned wrist machine wearing state, comprising:
Microprocessor 13 obtains the capacitance that capacitance detector 12 is surveyed from ferromagnetism steel plate 11；
Microprocessor 13 judges the wearing state of wrist machine 1 according to the variation of capacitance.
Specifically, microprocessor 13 judges that the wearing state of wrist machine 1 specifically includes according to the variation of capacitance: microprocessor
When 13 capacitances obtained are zero, it is determined that wrist machine 1 is not worn；When the capacitance that microprocessor 13 obtains is greater than zero, then really
Determine wrist machine 1 to be worn.
Microprocessor 13 judges that the wearing state of wrist machine 1 also specifically includes according to the variation of capacitance: microprocessor 13 exists
The capacitance obtained in preset time is stablized in default fluctuation range, it is determined that wrist machine 1 is worn suitable；Otherwise, it is determined that
The pine or tight that wrist machine 1 is worn.Wherein, default fluctuation range refers to the capacitance that capacitance detector 12 obtains within a preset time
The difference of maxima and minima≤10 μ F.
The detection components and detection method of wrist machine wearing state of the invention are simple and easy, can be directly used on wrist machine, can
By stabilization, the wearing state of wrist machine can be accurately detected when user is static, it is unrestricted.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of detection components of wrist machine wearing state characterized by comprising
Two parallel ferromagnetism steel plates, and at least one ferromagnetism steel plate contacts with arm when wrist machine is worn and generates capacitor
Amount；
Capacitance detector is electrically connected with the ferromagnetism steel plate, for detecting the capacitance in ferromagnetism steel plate；
Microprocessor is electrically connected with capacitance detector, and the wearing state of wrist machine is judged for the variation according to capacitance.
2. detection components according to claim 1, which is characterized in that each ferromagnetism steel plate is by conductive metal system
At metal foil or metal wire.
3. detection components according to claim 2, which is characterized in that the conductive metal is copper, silver or aluminium.
4. detection components according to claim 1, which is characterized in that wrist machine includes body shell and wrist strap, and two parallel
The side or setting that the body shell is contacted with arm is arranged at least one ferromagnetism steel plate in the ferromagnetism steel plate
In the side that the wrist strap is contacted with arm.
5. detection components according to claim 1, which is characterized in that the distance between two parallel ferromagnetism steel plates >=
0.1mm。
6. detection components according to claim 1, which is characterized in that the capacitance detector is capacitance detecting chips.
7. a kind of detection method of the detection components of any wrist machine wearing state of claim 1-6, which is characterized in that packet
It includes:
Microprocessor obtains the capacitance that capacitance detector is surveyed from ferromagnetism steel plate；
Microprocessor judges the wearing state of wrist machine according to the variation of capacitance.
8. detection method according to claim 7, which is characterized in that the microprocessor judges according to the variation of capacitance
The wearing state of wrist machine specifically includes: when the capacitance that the microprocessor obtains is zero, it is determined that wrist machine is not worn；It is described
When the capacitance that microprocessor obtains is greater than zero, it is determined that wrist machine is worn.
9. detection method according to claim 8, which is characterized in that the microprocessor judges according to the variation of capacitance
The wearing state of wrist machine also specifically includes: the capacitance that the microprocessor obtains within a preset time is stablized in default fluctuation model
In enclosing, it is determined that wrist machine is worn suitable；Otherwise, it is determined that the pine or tight that wrist machine is worn.
10. detection method according to claim 9, which is characterized in that the default fluctuation range refers in preset time
Difference≤10 μ F of the maxima and minima for the capacitance that interior capacitance detector obtains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363378.0A CN110132318A (en) | 2019-04-30 | 2019-04-30 | A kind of detection components and detection method of wrist machine wearing state |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363378.0A CN110132318A (en) | 2019-04-30 | 2019-04-30 | A kind of detection components and detection method of wrist machine wearing state |
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| Publication Number | Publication Date |
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| CN110132318A true CN110132318A (en) | 2019-08-16 |
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| CN201910363378.0A Pending CN110132318A (en) | 2019-04-30 | 2019-04-30 | A kind of detection components and detection method of wrist machine wearing state |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110784793A (en) * | 2019-10-29 | 2020-02-11 | 歌尔股份有限公司 | Wear detector and wearing formula electronic equipment |
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Application publication date: 20190816 |
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