CN210931462U - Fatigue detection device - Google Patents
Fatigue detection device Download PDFInfo
- Publication number
- CN210931462U CN210931462U CN201921005676.4U CN201921005676U CN210931462U CN 210931462 U CN210931462 U CN 210931462U CN 201921005676 U CN201921005676 U CN 201921005676U CN 210931462 U CN210931462 U CN 210931462U
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- China
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- wireless communication
- communication module
- treater
- voltage
- touch switch
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 39
- 210000004556 brain Anatomy 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims abstract description 5
- 238000005070 sampling Methods 0.000 claims description 14
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 12
- 229910052744 lithium Inorganic materials 0.000 claims description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 210000003128 head Anatomy 0.000 description 21
- 230000001960 triggered effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004424 eye movement Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 208000010340 Sleep Deprivation Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013528 artificial neural network Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The utility model discloses a fatigue detection device, including the head hoop, the head hoop outside is equipped with the protruding portion, the protruding portion below is equipped with the camera, inside power module, treater and the wireless communication module of being equipped with of head hoop, the treater is connected with camera and wireless communication module respectively, still be connected with the brain electricity electrode on the treater, head hoop inboard is equipped with touch switch, touch switch's output is connected with treater and wireless communication module's enable end respectively, power module supplies power to treater, camera and wireless communication module. The utility model arranges a touch switch at the inner side of the head band, and the functions of the processor and the wireless communication module are enabled by the touch switch; therefore, the utility model discloses can be when the user takes off fatigue detection device, the function of automatic forbidden treater and wireless communication module to reduce the consumption. The utility model discloses can the wide application in fatigue detection technical field.
Description
Technical Field
The utility model belongs to the technical field of fatigue detection technique and specifically relates to a fatigue detection device.
Background
With the increasing work rhythm, many operators of vehicles, equipment or large systems are in an overworked state, wherein, especially serious are long-distance drivers, which often have insufficient sleep for driving the road and are easy to have traffic accidents. Causing great harm to public safety and personal safety of drivers.
Therefore, some people design fatigue detection devices, collect electroencephalogram and eye movement data of users, then send the outputs to an upper computer, and analyze whether the wearer is tired or not through an image recognition technology and a deep neural network. Generally, as shown in fig. 1, a fatigue detection device includes a head band 100, a protrusion 101 in front of the head band 100, a camera 102 disposed below the protrusion 101, and brain electrodes 103. However, in the conventional design, the fatigue detection device is usually communicated with the upper computer in a wired manner and obtains the working power supply from the upper computer, but the design is inconvenient, and the user is easy to tear the electric wire carelessly. And if adopt wireless design, then fatigue detection device's consumption problem will be prominent, and present fatigue detection device can not discern whether worn on the people head, therefore, if the user is taking off fatigue detection device after, does not carry out manual shutdown to fatigue detection device, fatigue detection device can always pass through wireless mode and upload data to the host computer to lead to the electric quantity to run off.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims to provide a: a fatigue detection device is provided to automatically shut down the functions of a processor and a wireless communication module after a user takes off the fatigue detection device, thereby reducing power consumption.
The utility model adopts the technical proposal that:
the utility model provides a fatigue detection device, includes the head hoop, the head hoop outside is equipped with the protruding portion, the protruding portion below is equipped with the camera, inside power module, treater and the wireless communication module of being equipped with of head hoop, the treater is connected with camera and wireless communication module respectively, still be connected with the brain electricity electrode on the treater, head hoop inboard is equipped with touch switch, touch switch's output is connected with treater and wireless communication module's enable end respectively, power module supplies power to treater, camera and wireless communication module.
The number of the touch switches is at least two, the at least two touch switches are respectively connected with the enabling end of the processor and the enabling end of the wireless communication module through the AND gates, the output ends of the different touch switches are connected with the different input ends of the AND gates, and the output ends of the AND gates are respectively connected with the enabling end of the processor and the enabling end of the wireless communication module.
Further, a touch switch is further arranged on the inner side of the head band, and the output end of the touch switch is connected with one input end of the and gate.
Furthermore, an elastic pad is arranged between the touch switch and the inner side of the head band, and an elastic pad is arranged between the tact switch and the inner side of the head band.
Further, the power supply module comprises a lithium battery and a DC-DC voltage stabilizing chip, and the lithium battery supplies power to the processor, the camera and the wireless communication module through the DC-DC voltage stabilizing chip.
Furthermore, the power supply module further comprises a low-voltage reminding circuit, the low-voltage reminding circuit comprises a sampling circuit, a comparator, a reference voltage unit and an LED lamp, the sampling circuit converts the output voltage of the lithium battery into sampling voltage and outputs the sampling voltage to a first input end of the comparator, the reference voltage unit converts the output voltage of the DC-DC voltage stabilizing chip into reference voltage and outputs the reference voltage to a second input end of the comparator, and the output end of the comparator is connected with the LED lamp.
The utility model has the advantages that: the utility model arranges the touch switch on the inner side of the head band, when the user wears the fatigue detection device, the touch switch is triggered by the skin of the head of the user, so as to enable the functions of the processor and the wireless communication module; therefore, the utility model discloses can be when the user takes off fatigue detection device, the function of automatic forbidden treater and wireless communication module to reduce the consumption.
Drawings
FIG. 1 is a schematic structural diagram of a fatigue detection device in the prior art;
fig. 2 is a top view of a fatigue detecting device according to an embodiment of the present invention;
fig. 3 is a block diagram of a fatigue detection apparatus according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a power supply module of the fatigue detection apparatus according to an embodiment of the present invention.
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments.
Referring to fig. 2 and 3, the embodiment discloses a fatigue detection device, the fatigue detection device is in wireless communication with an upper computer, and the fatigue detection device uploads an image of the eyes of a user and electroencephalogram data of the user acquired through an electroencephalogram electrode to the upper computer.
This embodiment includes head band 200, the head band 200 outside is equipped with protruding portion 201, protruding portion 201 below is equipped with the camera, and the camera is not shown in fig. 2, inside power module, treater and the wireless communication module of being equipped with of head band 200, the treater is connected with camera and wireless communication module respectively, still be connected with brain electricity electrode 202 on the treater, head band 200 inboard is equipped with touch switch 203, touch switch's output is connected with treater and wireless communication module's enable end respectively, power module supplies power to treater, camera and wireless communication module.
In this embodiment, a signal conditioning circuit for signal amplification, filtering and analog-to-digital conversion is further included between the electroencephalogram electrode and the processor. Of course, in other embodiments, the functions of amplifying, filtering and analog-to-digital converting may be performed in a processor.
The camera is used for shooting images of the eyes of the user, namely for collecting eye movement data, and is communicated with the processor through an interface such as a serial interface.
And the processor is used for transmitting the data acquired by the camera and the electroencephalogram electrode to the wireless communication module through interfaces such as a serial interface and the like, and then the wireless communication module sends the data to the upper computer. Therefore, the upper computer can carry out fatigue analysis on the user according to the data. The processor and the wireless communication module are provided with enable ends, and the enable ends are controlled by level signals. In some embodiments, the functions of the processor and the wireless communication module are enabled when the enable terminal is at a high level and disabled when the enable terminal is at a low level.
And the power supply module is used for supplying working power to electronic components such as the processor, the camera and the wireless communication module, and the working power can be 5V, 3.3V and the like. The power supply module can be a power supply module consisting of a battery and a voltage stabilizing circuit, and the battery can be a lithium battery or a dry battery.
The touch switch is particularly a capacitance touch switch and comprises a touch electrode and a touch chip, the touch chip can detect the change of capacitance through the touch electrode, and when a human body contacts the touch electrode, the touch chip outputs high level due to the change of capacitance, so that the enabling ends of the processor and the wireless communication module are in the high level.
Of course, in order to avoid that the touch switch is in a triggered state for a long time due to the wetting of sweat of the user, a plurality of touch switches may be set, and then the enable terminals of the processor and the wireless communication module may be controlled by performing an and operation on the output levels of the plurality of touch switches.
Referring to fig. 3, as a preferred embodiment, the present embodiment further includes at least two and gates, where the at least two touch switches are respectively connected to the enable end of the processor and the enable end of the wireless communication module through the and gates, the output ends of the different touch switches are connected to different input ends of the and gates, and the output ends of the and gates are respectively connected to the enable end of the processor and the enable end of the wireless communication module.
In the embodiment, by arranging the and gate and the plurality of touch switches, when the individual touch switch is wetted by sweat of a user and is in a trigger state, the functions of the processor and the wireless communication module can be disabled smoothly.
Referring to fig. 2 and 3, as a preferred embodiment, a tact switch 204 is further disposed inside the head band 200, and an output end of the tact switch is connected to one input end of the and gate. Of course, the output signals of all the touch switches and the output signals of the tact switches are in an and-phase relationship.
The tact switch is a mechanical switch, and the tact switch referred to in this embodiment is a switch with a small trigger pressure, for example, a switch with a trigger pressure of less than 2N, and this embodiment may transmit the pressure by setting a hard plastic sheet on a button of the tact switch, so that when a user wears the fatigue detection device, the switch is triggered.
Referring to fig. 2, as a preferred embodiment, an elastic pad 205 is disposed between the touch switch 203 and the inside of the head band 200, and an elastic pad 205 is disposed between the tact switch 204 and the inside of the head band 200. The elastic gasket is arranged in the embodiment, so that the tact switch and the touch switch can be tightly attached to the head of a user, and the phenomenon that individual switches are not triggered due to the difference of the head of the user is avoided, so that the fatigue detection device does not work.
Referring to fig. 4, as a preferred embodiment, the power supply module includes a lithium battery and a DC-DC voltage stabilization chip, and the lithium battery supplies power to the processor, the camera and the wireless communication module through the DC-DC voltage stabilization chip.
Referring to fig. 4, as a preferred embodiment, the power supply module further includes a low voltage warning circuit, the low voltage warning circuit includes a sampling circuit, a comparator U1, a reference voltage unit and an LED lamp L1, the sampling circuit converts the output voltage of the lithium battery into a sampling voltage and outputs the sampling voltage to a first input terminal of the comparator, the reference voltage unit converts the output voltage of the DC-DC voltage regulation chip into a reference voltage and outputs the reference voltage to a second input terminal of the comparator, and an output terminal of the comparator is connected to the LED lamp.
Specifically, the sampling circuit is composed of a resistor R1 and a resistor R2, and the reference voltage unit is composed of a resistor R3 and a resistor R4.
The embodiment compares the magnitude relation between the sampling voltage and the reference voltage through the comparator, and controls the on and off of the LED lamp, thereby reminding a user that the lithium battery is under-voltage. Because the voltage-stabilizing output of the DC-DC voltage-stabilizing chip is hardly influenced by the voltage of the lithium battery, the reference voltage unit obtains electricity through the output end of the DC-DC voltage-stabilizing chip, and the stability of the reference voltage can be ensured.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (6)
1. A fatigue detection device characterized in that: including the head band, the head band outside is equipped with the protruding portion, the protruding portion below is equipped with the camera, inside power module, treater and the wireless communication module of being equipped with of head band, the treater is connected with camera and wireless communication module respectively, still be connected with the brain electricity electrode on the treater, the head band inboard is equipped with touch switch, touch switch's output is connected with treater and wireless communication module's enable end respectively, power module supplies power to treater, camera and wireless communication module.
2. A fatigue detecting device according to claim 1, wherein: the intelligent control system is characterized by further comprising at least two AND gates, the at least two touch switches are respectively connected with the enabling end of the processor and the enabling end of the wireless communication module through the AND gates, the output ends of different touch switches are connected with different input ends of the AND gates, and the output ends of the AND gates are respectively connected with the enabling end of the processor and the enabling end of the wireless communication module.
3. A fatigue detecting device according to claim 2, wherein: the inner side of the head hoop is also provided with a touch switch, and the output end of the touch switch is connected with one input end of the AND gate.
4. A fatigue detecting device according to claim 3, wherein: an elastic pad is arranged between the touch switch and the inner side of the head band, and an elastic pad is arranged between the light touch switch and the inner side of the head band.
5. A fatigue detecting device according to claim 1, wherein: the power supply module comprises a lithium battery and a DC-DC voltage stabilizing chip, and the lithium battery supplies power to the processor, the camera and the wireless communication module through the DC-DC voltage stabilizing chip.
6. A fatigue detecting device according to claim 5, wherein: the power supply module further comprises a low-voltage reminding circuit, the low-voltage reminding circuit comprises a sampling circuit, a comparator, a reference voltage unit and an LED lamp, the sampling circuit converts the output voltage of the lithium battery into sampling voltage and outputs the sampling voltage to a first input end of the comparator, the reference voltage unit converts the output voltage of the DC-DC voltage stabilizing chip into reference voltage and outputs the reference voltage to a second input end of the comparator, and the output end of the comparator is connected with the LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921005676.4U CN210931462U (en) | 2019-06-28 | 2019-06-28 | Fatigue detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921005676.4U CN210931462U (en) | 2019-06-28 | 2019-06-28 | Fatigue detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210931462U true CN210931462U (en) | 2020-07-07 |
Family
ID=71386965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921005676.4U Expired - Fee Related CN210931462U (en) | 2019-06-28 | 2019-06-28 | Fatigue detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210931462U (en) |
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2019
- 2019-06-28 CN CN201921005676.4U patent/CN210931462U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |