CN104724011A - Method for automatically adjusting seat for drivers - Google Patents
Method for automatically adjusting seat for drivers Download PDFInfo
- Publication number
- CN104724011A CN104724011A CN201310705378.7A CN201310705378A CN104724011A CN 104724011 A CN104724011 A CN 104724011A CN 201310705378 A CN201310705378 A CN 201310705378A CN 104724011 A CN104724011 A CN 104724011A
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- CN
- China
- Prior art keywords
- seat
- electric field
- field distribution
- signals
- drivers
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000005684 electric field Effects 0.000 claims abstract description 28
- 238000009826 distribution Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000005457 optimization Methods 0.000 description 5
- 238000005070 sampling Methods 0.000 description 4
- 206010039203 Road traffic accident Diseases 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000019800 disodium phosphate Nutrition 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention provides a method for automatically adjusting a seat for drivers, and is applicable to a seat for drivers. The seat for the drivers comprises a capacitive sensor, a controller and a servo motor. The capacitive sensor is arranged on a ceiling above the seat for the drivers. The method includes steps of measuring electric fields of human bodies by the aid of the capacitive sensor and outputting corresponding electric field distribution signals according to distribution of water contents of the human bodies; amplifying power of the electric field distribution signals by the aid of an operational amplifier; converting the electric field distribution signals in analog forms into digital signals by the aid of an A/D (analog/digital) converter; receiving the electric field distribution signals in digital forms by the aid of the controller, computing the distances from the tops of the heads of the drivers to the ceiling according to the electric field distribution signals and outputting seat adjusting signals; receiving the seat adjusting signals by the aid of the servo motor and adjusting the height and the front-back position of the seat. The seat adjusting signals are outputted by the controller.
Description
Technical field
The present invention relates to vehicle electronics field, refer to a kind of driver seat Automatic adjustment method especially.
Background technology
The development of automobile not only creates great function to social economy, also brings important impact to the life of the mankind.Automobile become people trip main traffic instrument, its convenience be aircraft, steamer and train incomparable.
China is as newly emerging economy, and become global first automobile consumption state, the vehicle guaranteeding organic quantity of current China has broken through hundred million.Car is many, and road has been blocked up, and traffic accident also gets more and more, and a lot of traffic accident is because driver is unsighted or lack experience and cause, and can avoid completely.It is reported, China is owing to causing traffic accident to account for 30% in rear view mirror blind zone.
The same money vehicle that existing auto production line is produced, structure size is identical with interior trim, for the people of different height, need according to the situation manual regulation seat of self, the height of bearing circle, although the seat after adjustment is comfortable, visual effect cannot realize optimization, and left and right back mirror, operator's compartment back mirror, forward visibility all can be affected, there will be vision dead zone, bring potential safety hazard to driving procedure.
The visual range of navigating mate vision dead zone that is wider, that reduce to bring because of seat adjustment how is made to be current problem demanding prompt solution.
Summary of the invention
The present invention proposes a kind of driver seat Automatic adjustment method, solves the problem of the improper vision dead zone caused of seat position in prior art.
Technical scheme of the present invention is achieved in that
A kind of driver seat Automatic adjustment method, be applicable to a kind of driver seat, this driver seat comprises the capacitance-type sensor, controller and the servomotor that are arranged on driver's seat ceiling, comprises the following steps:
Measured the electric field of human body by capacitance-type sensor, the liquid water content distribution according to human body exports corresponding Electric Field Distribution signal;
By op amp, power gain is carried out to described Electric Field Distribution signal;
By A/D converter, the Electric Field Distribution signal of analog form is converted to digital signal;
Received the Electric Field Distribution signal of digital form by controller, according to the distance of Electric Field Distribution calculated signals chaufeur crown distance ceiling, export seat adjustment signal;
The seat adjustment signal of described controller output is received, the height of adjusting seat and front and back position by servomotor.
The invention has the beneficial effects as follows: the electric field being measured human body by the capacitance-type sensor be arranged on driver's seat ceiling, calculate the distance of crown distance ceiling, according to the adjustment of the front and back high and low position of the programming control seat prestored, realize the optimization of vision.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the control block diagram of a kind of driver seat Automatic adjustment method of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The same money vehicle that existing auto production line is produced, structure size is identical with interior trim, for the people of different height, need according to the situation manual regulation seat of self, the height of bearing circle, although the seat after adjustment is comfortable, visual effect cannot realize optimization, and left and right back mirror, operator's compartment back mirror, forward visibility all can be affected, there will be vision dead zone, bring potential safety hazard to driving procedure.
The present invention measures the electric field of human body by the capacitance-type sensor be arranged on driver's seat ceiling, calculates the distance of crown distance ceiling, according to the adjustment of the front and back high and low position of the programming control seat prestored, realizes the optimization of vision.
As shown in Figure 1, a kind of driver seat Automatic adjustment method, be applicable to a kind of driver seat, this driver seat comprises the capacitance-type sensor, controller and the servomotor that are arranged on driver's seat ceiling, comprise the following steps: the electric field being measured human body by capacitance-type sensor, the liquid water content distribution according to human body exports corresponding Electric Field Distribution signal; By op amp, power gain is carried out to described Electric Field Distribution signal; By A/D converter, the Electric Field Distribution signal of analog form is converted to digital signal; Received the Electric Field Distribution signal of digital form by controller, according to the distance of Electric Field Distribution calculated signals chaufeur crown distance ceiling, export seat adjustment signal; The seat adjustment signal of described controller output is received, the height of adjusting seat and front and back position by servomotor.
When navigating mate is sitting on operating seat, the liquid water content of human body makes surrounding electric field change.Capacitance-type sensor, by measuring this change to detect the interval to the chaufeur crown, because eyes between different people are very little to the interval difference on the crown, makes the crown just can obtain best observation place apart from ceiling 7.62cm by adjustment seat position.
Preferably, described controller is dsp processor.Above-mentioned dsp processor can be TMS320F2812DSP, and be 32 fixed DSPs, it has the AD data acquisition of EVA, EVB task manager and supporting 12 16 passages, has abundant Peripheral Interface, as CAN, SCI etc.The ADC module of TMS320F2812 is 12 bit resolutions, has the A and D converter of pipeline organization, the built-in dual-sampling hold circuit of TMS320F2812, and when keeping data acquisition, window has and independently calibrates control in advance.And allow system to same Channel-shifted repeatedly, allow user to perform over-sampling algorithm, this more traditional single transformation result adds more solution, is conducive to the precision improving sampling.There is multiple trigger source can start ADC conversion.Fast speed transfer time, ADC clock can be configured to 25MHz, and the highest sampling bandwidth is 12.5MSPS.When building data acquisition system with TMS320F2812, need not external ADC, avoid complicated hardware design.
The present invention measures the electric field of human body by the capacitance-type sensor be arranged on driver's seat ceiling, calculates the distance of crown distance ceiling, according to the adjustment of the front and back high and low position of the programming control seat prestored, realizes the optimization of vision.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. a driver seat Automatic adjustment method, is applicable to a kind of driver seat, and this driver seat comprises the capacitance-type sensor, controller and the servomotor that are arranged on driver's seat ceiling, it is characterized in that, comprises the following steps:
Measured the electric field of human body by capacitance-type sensor, the liquid water content distribution according to human body exports corresponding Electric Field Distribution signal;
By op amp, power gain is carried out to described Electric Field Distribution signal;
By A/D converter, the Electric Field Distribution signal of analog form is converted to digital signal;
Received the Electric Field Distribution signal of digital form by controller, according to the distance of Electric Field Distribution calculated signals chaufeur crown distance ceiling, export seat adjustment signal;
The seat adjustment signal of described controller output is received, the height of adjusting seat and front and back position by servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310705378.7A CN104724011A (en) | 2013-12-19 | 2013-12-19 | Method for automatically adjusting seat for drivers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310705378.7A CN104724011A (en) | 2013-12-19 | 2013-12-19 | Method for automatically adjusting seat for drivers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104724011A true CN104724011A (en) | 2015-06-24 |
Family
ID=53448615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310705378.7A Pending CN104724011A (en) | 2013-12-19 | 2013-12-19 | Method for automatically adjusting seat for drivers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104724011A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106427674A (en) * | 2016-09-23 | 2017-02-22 | 奇瑞汽车股份有限公司 | Automobile seat automatic adjusting method and device based on near-field communication (NFC) chip |
| CN107499191A (en) * | 2016-06-14 | 2017-12-22 | 李尔公司 | Seat position for seat-assembly detects |
-
2013
- 2013-12-19 CN CN201310705378.7A patent/CN104724011A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499191A (en) * | 2016-06-14 | 2017-12-22 | 李尔公司 | Seat position for seat-assembly detects |
| CN106427674A (en) * | 2016-09-23 | 2017-02-22 | 奇瑞汽车股份有限公司 | Automobile seat automatic adjusting method and device based on near-field communication (NFC) chip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150624 |