CN208464095U - A kind of driver fatigue state monitoring device - Google Patents
A kind of driver fatigue state monitoring device Download PDFInfo
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- CN208464095U CN208464095U CN201820311185.1U CN201820311185U CN208464095U CN 208464095 U CN208464095 U CN 208464095U CN 201820311185 U CN201820311185 U CN 201820311185U CN 208464095 U CN208464095 U CN 208464095U
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- switch element
- elastic switch
- driver
- monitoring device
- state monitoring
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Abstract
The utility model belongs to vehicle safety running technology field, discloses a kind of driver fatigue state monitoring device, comprising: seat webbing, for wrapping up the seat of driver；M elastic switch element, the surface of seat webbing is separately mounted to the shape of multirow or multiple row, and M elastic switch element number consecutively is 1 to M；One end of each elastic switch element is connected with a vehicle-mounted power supply, output end of the other end of each elastic switch element as corresponding elastic switch element；Logic unit is connected respectively the output end of M elastic switch element comprising M input terminal and an output end, the M input terminal；Warning unit connects the output end of the logic unit, and the output end of the warning unit issues warning signal；The judgement that fatigue state can be carried out using driver's sitting posture has the characteristics that intelligent, automation, and high reliablity.
Description
Technical field
The utility model belongs to vehicle safety running technology field more particularly to a kind of driver fatigue state monitoring dress
It sets, the judgement of fatigue state is carried out using driver's sitting posture.
Background technique
Fatigue driving is the natural enemy of safe driving, especially all kinds of commerial vehicles, such as operating passenger car, operation lorry etc..
The operating range of these vehicles is long, and it is long to continuously drive the time, the relevant accident of fatigue driving often occurs.
Problem is driven for effective relieving fatigue, identifies the fatigue state of driver there are many technical solution at present, and right
Driver alarms to reduce accident risk.Typical technical solution identifies the eyes closed of driver including the use of image
Degree, blink frequency etc., or detect using related sensor the operation behavior of driver.
The realization difficulty of this kind of technical solution is larger, and identification certainty receives the influence of illumination, Vehicular vibration, exists
Certain unfavorable factor.
Utility model content
In view of the above-mentioned problems, being utilized the purpose of this utility model is to provide a kind of driver fatigue state monitoring device
Driver's sitting posture carries out the judgement of fatigue state, has the characteristics that intelligent, automation, and high reliablity.
In order to achieve the above objectives, the utility model adopts the following technical solution is achieved.
A kind of driver fatigue state monitoring device, described device include:
Seat webbing, the seat webbing are used to wrap up the seat of driver；
M elastic switch element, the M elastic switch element are separately mounted to described with the shape of multirow or multiple row
The first surface of seat webbing, the first surface are and the backrest surface and chair top that contact on seat webbing with driver；The M
Elastic switch element number consecutively is 1 to M；
Wherein, one end of each elastic switch element is connected with a vehicle-mounted power supply, each elastic switch element it is another
Hold the output end as corresponding elastic switch element；
Logic unit, the logic unit include M input terminal and an output end, and the M input terminal respectively corresponds
Connect the output end of M elastic switch element；
Warning unit, the input terminal of the warning unit connect the output end of the logic unit, the warning unit
Output end issues warning signal.
The characteristics of technical solutions of the utility model and further improvement are as follows:
(1) each elastic switch element is realized using normally opened contact, and each elastic switch element stress is greater than given threshold
When corresponding normally opened contact closure, the elastic switch element conductive exports high level.
(2) given threshold is 10N, and N indicates mechanical units newton.
(3) when driver is sitting on the seat webbing, and after starting vehicle, the driver fatigue state monitoring device
It starts to work.
(4) after the driver fatigue state monitoring device is started to work, if the logic unit is according to M elastic switch
After the output state of element judges that fatigue driving state occurs in driver, it is single that the logic unit outputs control signals to warning
Member, the control signal are issued warning signal for controlling the warning unit.
(5) logic unit judges that fatigue driving shape occurs in driver according to the output state of M elastic switch element
State specifically includes:
When variable quantity of the elastic switch element number be connected in the M elastic switch element in the first setting duration
When less than or equal to the first setting number, the logic unit judges that fatigue state occurs in driver；
Alternatively,
In the second setting duration, the number of elastic switch element conductive at least reduces second in the seat webbing backrest surface
Set number, and on the seat webbing chair top elastic switch element conductive number be greater than third setting number when, it is described to patrol
It collects unit judges driver and fatigue state occurs.
(6) the first setting duration is 30 minutes, and described second is 10 minutes a length of when setting；
Described first sets number as 10, and described second sets number as 20, and the third sets number as 20.
The basic principle of technical solutions of the utility model is to arrange a system in plane on driver's backrest and seat
The elastic switch component of column, each elastic switch component connect a circuit.These elastic switch components are designed
At the shape of similar seat webbing, it is installed on driver's seat.The corresponding circuit of all elastic switching component is numbered,
And all circuits are both connected to logic unit.The distribution that circuit conducting is judged by logic unit, when driver connects
When continuous driving, the distribution of force characteristic of chair top and backrest changes, and the on state in all circuits is caused to become
Change, if there is the distribution character under certain similar fatigue driving states, and this state duration is more than setting value, then
Logic unit exports control signal to alert module, and alert module will issue alarm to driver, reminds driver's rest, avoids
Fatigue driving carries out the judgement of fatigue state using driver's sitting posture, has the characteristics that intelligent, automation, and high reliablity.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of driver fatigue state monitoring device provided by the embodiment of the utility model；Its
In, 1 represents logic unit, and 2 represent seat webbing, and 3 represent M elastic switch element, and 4 represent alarm unit.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment provides a kind of driver fatigue state monitoring device, as shown in Figure 1, described device packet
It includes:
Seat webbing is fabricated to the shape that can wrap up seat using chemical fibre or other materials.
These elastic switch member devices are installed to the seat webbing surface of design by M elastic switch component with behavior unit,
The packing density of elastic component is not less than 100/m2。
The seat webbing surface design has fixed card buckle, can be directly mounted at driver seat surface, cover entire seat
Plane on backrest and seat.
The elasticity component is designed using often-cutting type, and when stress is more than 10N, elasticity component will turn on internal switch.
The elasticity component switchs each and corresponds to a circuit, and the one end in the circuit connects vehicle power supply, circuit
The other end connects logic unit.
The circuit is numbered respectively, from 1 to N.
The logic unit use IC design, input terminal be M circuit, output end 1.
The logic unit output end connects warning unit, and when logic unit output signal, warning unit will be to driving
Member issues warning signal.
The logic unit will start after system energization, be configured when using for the first time to logic unit, setting fatigue
All circuit on state characteristics under driving condition.After device starting, logic unit is special by the conducting in all circuits of continual analysis
Property, when there is the corresponding loop characteristic of fatigue driving state, and the state was continued above after certain time, and logic unit will
Control signal is exported to alert module, alert module will carry out early warning to driver, and avoid the further evil of fatigue driving state
Change.
The fatigue driving state refers specifically to any one of following situations occur:
(1) when the variable quantity that the quantity in all conducting circuits changes within 30 minutes is equal to or less than 10.
(2) within 10 minutes time, if the quantity in seatback portion conducting circuit reduces by more than 20, and seat
The quantity that circuit is connected in bottom surface portions is more than 20.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can store in computer-readable storage medium, which exists
When execution, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic or disk
Etc. the various media that can store program code.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (7)
1. a kind of driver fatigue state monitoring device, which is characterized in that described device includes:
Seat webbing, the seat webbing are used to wrap up the seat of driver；
M elastic switch element, the M elastic switch element are separately mounted to the seat with the shape of multirow or multiple row
The first surface of set, the first surface are and the backrest surface and chair top that contact on seat webbing with driver；The M elasticity
Switch element number consecutively is 1 to M；
Wherein, one end of each elastic switch element is connected with a vehicle-mounted power supply, and the other end of each elastic switch element is made
For the output end of corresponding elastic switch element；
Logic unit, the logic unit include M input terminal and an output end, and the M input terminal is connected respectively M
The output end of a elastic switch element；
Warning unit, the input terminal of the warning unit connect the output end of the logic unit, the output of the warning unit
End issues warning signal.
2. a kind of driver fatigue state monitoring device according to claim 1, which is characterized in that each elastic switch member
Part realizes that each elastic switch element stress is greater than corresponding normally opened contact closure when given threshold, described using normally opened contact
Elastic switch element conductive exports high level.
3. a kind of driver fatigue state monitoring device according to claim 2, which is characterized in that the given threshold is
10N, N indicate mechanical units newton.
4. a kind of driver fatigue state monitoring device according to claim 1, which is characterized in that when driver is sitting in institute
It states on seat webbing, and after starting vehicle, the driver fatigue state monitoring device is started to work.
5. a kind of driver fatigue state monitoring device according to claim 4, which is characterized in that the driver fatigue
After state monitoring apparatus is started to work, if the logic unit judges driver according to the output state of M elastic switch element
After there is fatigue driving state, the logic unit outputs control signals to warning unit, and the control signal is for controlling institute
Warning unit is stated to issue warning signal.
6. a kind of driver fatigue state monitoring device according to claim 5, which is characterized in that the logic unit root
Judge that fatigue driving state occurs in driver according to the output state of M elastic switch element, specifically include:
When variable quantity of the elastic switch element number be connected in the M elastic switch element in the first setting duration is less than
Or when being equal to the first setting number, the logic unit judges that fatigue state occurs in driver；
Alternatively,
In the second setting duration, the number of elastic switch element conductive at least reduces by the second setting in the seat webbing backrest surface
Number, and on the seat webbing chair top elastic switch element conductive number be greater than third setting number when, the logic list
Member judges that fatigue state occurs in driver.
7. a kind of driver fatigue state monitoring device according to claim 6, which is characterized in that when the described first setting
Length is 30 minutes, and described second is 10 minutes a length of when setting；
Described first sets number as 10, and described second sets number as 20, and the third sets number as 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820311185.1U CN208464095U (en) | 2018-03-07 | 2018-03-07 | A kind of driver fatigue state monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820311185.1U CN208464095U (en) | 2018-03-07 | 2018-03-07 | A kind of driver fatigue state monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208464095U true CN208464095U (en) | 2019-02-05 |
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ID=65207001
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820311185.1U Expired - Fee Related CN208464095U (en) | 2018-03-07 | 2018-03-07 | A kind of driver fatigue state monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109717853A (en) * | 2019-03-14 | 2019-05-07 | 扬州大学 | Vehicle carried driving person's fatigue detecting system based on raspberry pie |
-
2018
- 2018-03-07 CN CN201820311185.1U patent/CN208464095U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109717853A (en) * | 2019-03-14 | 2019-05-07 | 扬州大学 | Vehicle carried driving person's fatigue detecting system based on raspberry pie |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 Termination date: 20210307 |
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| CF01 | Termination of patent right due to non-payment of annual fee |