CN111823975A - Seat, seat control method and commercial vehicle - Google Patents

Abstract

The present invention relates to the technical field of vehicles, in particular to a seat, a seat control method and a commercial vehicle. The seat provided by the present invention includes a seat body, a vital sign monitoring assembly, a body pressure adjustment assembly and a temperature adjustment assembly, wherein the vital sign monitoring assembly, the body pressure adjustment assembly and the temperature adjustment assembly are all arranged on the seat body, and the body Both the pressure adjustment assembly and the temperature adjustment assembly are connected in communication with the vital sign monitoring assembly. The vital sign monitoring component can monitor the driver's body surface pressure and body temperature; the body pressure adjustment component can adjust the driver's body pressure distribution according to the body surface pressure value monitored by the vital sign monitoring component; the temperature adjustment component can monitor the component according to the vital signs The monitored body surface temperature value heats or dissipates the seat body. The seat can realize real-time detection of the driver's physical signs, and automatically adjust the corresponding problems to reduce the driver's fatigue and ensure driving safety.

Description

Seat, seat control method and commercial vehicle

technical field

The present invention relates to the technical field of vehicles, in particular to a seat, a seat control method and a commercial vehicle.

Background technique

Commercial vehicle drivers need to drive for a long time, sitting for a long time or sitting in an incorrect posture, and the temperature in the cab is too high or too low, which can easily cause driver fatigue and cause traffic accidents. The traditional commercial vehicle seat cannot monitor the driver's health status, and cannot remind the fatigue that occurs. At the same time, the adjustment of functions such as the lumbar support of the traditional commercial vehicle seat requires the driver to operate manually, which is easy to misuse Adjusting the seat in the middle is dangerous. In addition, traditional commercial vehicles cannot achieve precise heat dissipation for the driver and passenger areas.

Therefore, there is an urgent need for a seat to solve the above problems.

SUMMARY OF THE INVENTION

The first object of the present invention is to provide a seat, which can reduce the driver's fatigue caused by factors such as prolonged sitting, incorrect sitting posture, excessive temperature in the cab or low temperature in the cab, and ensure driving safety.

The first object of the present invention is to provide a seat control method, which can reduce the driver's fatigue caused by factors such as prolonged sitting, incorrect sitting posture, high temperature in the cab or low temperature in the cab, and ensure driving safety.

The third object of the present invention is to provide a commercial vehicle, by applying the above seat, the driver's feeling of fatigue caused by factors such as prolonged sitting, incorrect sitting posture, excessive temperature in the cab or too low temperature in the cab can be alleviated, and the driver can be ensured Driving safety.

To achieve the above purpose, the following technical solutions are provided:

In a first aspect, a seat is provided, comprising:

seat body;

a vital sign monitoring assembly, disposed on the seat body, the vital sign monitoring assembly capable of monitoring the body surface pressure and body surface temperature of the driver;

A body pressure adjustment assembly, disposed on the seat body, the body pressure adjustment assembly is in communication connection with the vital sign monitoring assembly, and the body pressure adjustment assembly can be based on the body surface pressure value monitored by the vital sign monitoring assembly Adjust the driver's body pressure distribution;

A temperature adjustment assembly is provided on the seat body, the temperature adjustment assembly is connected in communication with the vital sign monitoring assembly, and the temperature adjustment assembly can The seat body is heated or dissipated.

As an optional solution of the seat, the vital sign monitoring assembly includes a pressure sensor for monitoring the stress condition of the seat body, and the pressure sensor is provided on the seat cushion area and the backrest area of the seat body.

As an optional solution of the seat, the body pressure adjustment assembly includes an air bag lumbar support, the air bag lumbar support is arranged in the backrest area, and the air bag lumbar support can be automatically adjusted according to the pressure value monitored by the pressure sensor. Inflate and deflate or stop automatic inflation and deflation.

As an optional solution of the seat, the body pressure adjustment assembly includes an air bag side wing support, the air bag side wing support is provided on the seat body, and the air bag side wing support can be based on the pressure monitored by the pressure sensor. value to automatically inflate and deflate or stop automatic inflation and deflation.

As an optional solution of the seat, the vital sign monitoring assembly includes a vital sign sensor capable of monitoring the body surface temperature of the driver, and the vital sign sensor is provided on the armrest area of the seat body.

As an optional solution of the seat, the temperature adjustment assembly includes a heating system, the heating system is arranged in the cushion area of the seat body, and the heating system can be activated according to the body surface temperature value monitored by the vital sign sensor The cushion area is heated or stopped.

As an optional solution of the seat, the temperature adjustment assembly includes a ventilation system, the ventilation system is arranged in the backrest area of the seat body, and the ventilation system can be activated according to the body surface temperature value monitored by the vital sign sensor Increase or stop ventilation in the backrest area.

As an optional solution of the seat, the seat further includes a massage system, which is arranged in the backrest area of the seat body, the vital sign sensor can also monitor the pulse of the driver, and the massage system can The massage of the driver is started or stopped according to the pulse value monitored by the vital sign sensor.

In a second aspect, a seat control method is provided. Based on the above seat, the seat control method includes the following steps:

Set the body surface pressure preset value F ₀ , set the minimum preset value T _min and the maximum preset value T _max of the body surface temperature;

The vital sign monitoring component collects the driver's body surface pressure F ₁ and the driver's body surface temperature T ₁ ;

If F ₁ >F ₀ , adjust the driver's body pressure distribution;

If T ₁ <T _min , heat the seat body to increase the temperature of the driver's body surface;

If T ₁ >T _max , the seat body is radiated to reduce the body surface temperature of the driver.

In a third aspect, a commercial vehicle is provided, including the seat as described above.

Compared with the prior art, the beneficial effects of the present invention are:

The seat provided by the present invention includes a seat body, a vital sign monitoring assembly, a body pressure adjustment assembly and a temperature adjustment assembly, wherein the vital sign monitoring assembly, the body pressure adjustment assembly and the temperature adjustment assembly are all arranged on the seat body, and Both the body pressure adjustment component and the temperature adjustment component are connected in communication with the vital sign monitoring component. The vital sign monitoring component can monitor the driver's body surface pressure and body temperature; the body pressure adjustment component can adjust the driver's body pressure distribution according to the body surface pressure value monitored by the vital sign monitoring component; the temperature adjustment component can monitor the component according to the vital signs The monitored body surface temperature value heats or dissipates the seat body. The seat can realize real-time detection of the driver's physical signs, and automatically adjust the corresponding problems to reduce the driver's fatigue and ensure driving safety.

The seat control method provided by the present invention can reduce the driver's sense of fatigue caused by factors such as prolonged sitting, incorrect sitting posture, excessively high or low temperature in the cab, and ensure driving safety.

The commercial vehicle provided by the present invention reduces the driver's fatigue caused by factors such as prolonged sitting, incorrect sitting posture, excessively high or low temperature in the cab, and ensures driving safety by using the above seat.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments of the present invention. Obviously, the drawings in the following description are only some embodiments of the present invention. , for those of ordinary skill in the art, other drawings can also be obtained according to the contents of the embodiments of the present invention and these drawings without creative efforts.

FIG. 1 is a schematic layout diagram of a vital sign monitoring assembly in a seat according to an embodiment of the present invention;

2 is a schematic diagram of the layout of the airbag lumbar support and the airbag side wing support in the seat provided by the embodiment of the present invention;

3 is a schematic layout diagram of a heating system and a ventilation system in a seat provided by an embodiment of the present invention;

4 is a schematic layout diagram of a massage system in a seat provided by an embodiment of the present invention;

5 is a schematic flowchart of a seat improving body surface pressure according to an embodiment of the present invention;

FIG. 6 is a schematic flow chart 1 of a seat improving body surface temperature provided by an embodiment of the present invention;

FIG. 7 is a second schematic flowchart of a seat improving body surface temperature provided by an embodiment of the present invention;

FIG. 8 is a schematic flowchart of a seat improving pulse heart rate according to an embodiment of the present invention.

Reference number:

1-seat body; 11-seat cushion area; 12-backrest area; 13-armrest area;

2- pressure sensor;

3- Vital sign sensor;

4- Air bag waist support;

5- Air bag flank support;

6- Ventilation system;

7- Heating system;

8- Massage system.

Detailed ways

In order for those skilled in the art to better understand the technical solutions of the present invention, the technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or The positional relationship is based on the orientation or positional relationship shown in the attached drawings, or the orientation or positional relationship that is usually placed when the product is used, and is only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have The particular orientation, construction and operation in the particular orientation are therefore not to be construed as limitations of the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only or to distinguish different structures or components, and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in FIG. 1 , a seat provided in this embodiment includes a seat body 1, a vital sign monitoring assembly, a body pressure adjustment assembly and a temperature adjustment assembly, wherein the vital sign monitoring assembly, the body pressure adjustment assembly and the temperature adjustment assembly The components are all arranged on the seat body 1 , and both the body pressure adjustment component and the temperature adjustment component are connected in communication with the vital sign monitoring component. The vital sign monitoring component can monitor the driver's body surface pressure and body temperature; the body pressure adjustment component can adjust the driver's body pressure distribution according to the body surface pressure value monitored by the vital sign monitoring component; the temperature adjustment component can monitor the component according to the vital signs The monitored body surface temperature value heats or dissipates heat to the seat body 1 . The seat can realize real-time detection of the driver's physical signs, and automatically adjust the corresponding problems to reduce the driver's fatigue and ensure driving safety.

Optionally, the vital sign monitoring assembly includes a pressure sensor 2 for monitoring the stress condition of the seat body, and both the cushion area 11 and the backrest area 12 of the seat body 1 are provided with pressure sensors 2 .

Preferably, the pressure sensor 2 is a pressure film sensor, and the pressure film sensor is arranged on the lower surface of the skin of the seat cushion area 11 and the backrest area 12 to detect the force between the driver and the seat cushion area 11 and the backrest area 12 in real time, Real-time feedback of the driver's body pressure distribution.

Optionally, as shown in FIG. 2 , the body pressure adjustment assembly includes an air bag waist support 4 , the air bag waist support 4 is arranged in the backrest area 12 , and the air bag waist support 4 can be automatically inflated and deflated according to the pressure value monitored by the pressure sensor 2 . Or stop automatic inflation and deflation.

Specifically, set the body surface pressure preset value F ₀ , if the monitored waist F ₁ >F ₀ , it means that the driver's waist has stress concentration, and the air bag waist support 4 is automatically inflated and deflated to improve the driver's performance. Body pressure distribution. If F ₁ <F ₀ , stop the automatic inflation and deflation of the airbag waist support 4 .

Optionally, as shown in FIG. 2 , the body pressure adjustment assembly includes an air bag side wing support 5 , the air bag side wing support 5 is arranged on the seat body 11 , and the air bag side wing support 5 can be automatically inflated according to the pressure value monitored by the pressure sensor 2 . Deflate or stop automatic inflation and deflation.

Preferably, the airbag flank support 5 includes four flank supports, wherein two flank supports are symmetrically arranged on the left and right sides of the backrest area 12 to support both sides of the driver's waist; the other two flank supports are symmetrically arranged on the seat cushion The left and right sides of zone 11 to support the driver's buttocks.

Specifically, set the body surface pressure preset value F ₀ , if monitoring F ₁ >F ₀ on both sides of the hips or waist, it means that there is stress concentration on both sides of the driver's hips or waist, so that the corresponding flank supports are automatically charged. Deflate the air to improve the driver's body pressure distribution. If F ₁ <F ₀ , stop the automatic inflation and deflation of the corresponding wing support.

Further, as shown in FIG. 1 , the vital sign monitoring assembly includes a vital sign sensor 3 , which can monitor the body surface temperature of the driver, and the vital sign sensor 3 is provided on the armrest area 13 of the seat body 1 .

Optionally, as shown in FIG. 3 , the temperature adjustment assembly includes a heating system 7 , and the heating system 7 is arranged in the seat cushion area 11 of the seat body 1 , and the heating system 7 can start to adjust the seat cushion according to the body surface temperature value monitored by the vital sign sensor 3 . Zone 11 is heated or stopped.

Preferably, the heating system 7 includes an alloy wire, and the alloy wire is energized, so that the alloy wire generates heat, so as to heat the seat cushion area 11 and make the driver feel warm.

Specifically, the minimum preset value T _min of the body surface temperature is set, and if T ₁ <T _min , the seat cushion area 11 is heated to increase the body surface temperature of the driver.

Optionally, the temperature adjustment assembly further includes a ventilation system 6, the ventilation system 6 is arranged in the backrest area 12 of the seat body 1, and the ventilation system 6 can start to increase the ventilation volume of the backrest area 12 according to the body surface temperature value monitored by the vital sign sensor 3. or stop.

Preferably, the ventilation system 6 includes a fan, the skin of the backrest area 12 is provided with a through hole, the fan is arranged under the skin, and the fan is activated to increase the air flow of the through hole to reduce the body surface temperature of the driver.

Specifically, the highest preset value T _max of the body surface temperature is set, and if T ₁ >T _max , the fan is started to dissipate heat from the backrest area 12 to reduce the body surface temperature of the driver.

Optionally, as shown in FIG. 4 , the seat further includes a massage system 8 , which is arranged in the backrest area 12 of the seat body 1 , the vital sign sensor 3 can also monitor the pulse of the driver, and the massage system 8 can The pulse value monitored by the vital signs sensor 3 starts to massage or stop the driver. The driver can be massaged by the massage system 8 to relieve fatigue.

Preferably, the seat further includes a central controller, the pressure sensor 2, the vital sign sensor 3, the air bag waist support 4, the air bag side wing support 5, the ventilation system 6, the heating system 7 and the massage system 8 are all connected in communication with the central controller . The central controller receives the monitoring data of the pressure sensor 2 and the vital sign sensor 3, and then controls the air bag waist support 4, the air bag side wing support 5, the ventilation system 6, the heating system 7 and the massage system 8 to make corresponding adjustments according to the preset values, Return the driver's physical signs to normal.

This embodiment also provides a seat control method. Based on the above seat, the seat control method includes the following steps:

Set the body surface pressure preset value F ₀ , set the minimum preset value T _min and the maximum preset value T _max of the body surface temperature;

The vital sign monitoring component collects the driver's body surface pressure F ₁ and the driver's body surface temperature T ₁ ;

If F ₁ >F ₀ , adjust the driver's body pressure distribution;

If T ₁ <T _min , heat the seat body to increase the temperature of the driver's body surface;

If T ₁ >T _max , the seat body is radiated to reduce the body surface temperature of the driver.

Preferably, the monitoring time t and the time interval Δt are set, and after the time t, if there is no above-mentioned problem in the sensor monitoring, the corresponding function of the seat is stopped. After the interval △t, continue to monitor the driver's physical state to monitor the driver's health state in real time, reduce fatigue and ensure driving safety.

Exemplarily, the time interval Δt is 5 min.

As shown in Figure 5, when the pressure sensor 2 detects that the driver's pressure F ₁ exceeds the set value F ₀ , indicating that the driver has stress concentration, the central controller electrically adjusts the air bag waist support 4 and the air bag side wing support 5 to fill Deflation improves body pressure distribution. After the interval Δt, if F ₁ does not exceed the set value F ₀ , it means that the driver has no stress concentration, and the central controller controls the airbag waist support 4 and the airbag side wing support 5 to stop.

Illustratively, the body gauge pressure setpoint F ₀ is 10 kPa.

As shown in FIGS. 6-7 , when the vital sign sensor 3 detects that the driver's body surface temperature T ₁ is too high (over T _max ) or too low (below T _min ), the central controller activates the ventilation system 6 or the heating system 7. Improve the temperature environment where the driver is located. If T ₁ does not exceed T _max , or T ₁ does not fall below T _min , it means that the body surface temperature of the driver is normal, and the central controller controls the ventilation system 6 or the heating system 7 to stop.

Exemplarily, the minimum body surface temperature _Tmin is 35°C; the maximum body surface temperature _Tmax is 37°C.

As shown in FIG. 8 , when the vital sign sensor 3 detects that the driver’s pulse P ₁ (heart rate) exceeds the set value P ₀ , it indicates that the driver is nervous or fatigued. Massage to relieve driver tension or fatigue. After the interval Δt, if P ₁ (heart rate) does not exceed the set value P ₀ , it means that the driver's heart rate is in good condition, and the central controller controls the massage system 8 to stop.

Illustratively, the pulse (heart rate) setpoint P ₀ is 100 beats/min.

The present embodiment also provides a commercial vehicle, including the above-mentioned seat. The upper seat control method is used to adjust the function of the seat, so as to reduce the driver's long-term sitting, incorrect sitting posture, high temperature in the cab, or excessive temperature in the cab. Fatigue caused by factors such as low temperature ensures driving safety.

Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments and substitutions can be made to those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention. The scope is determined by the scope of the appended claims.

Claims (10)

1. A seat, characterized in that, comprising: seat body (1); A vital sign monitoring assembly, provided on the seat body (1), the vital sign monitoring assembly capable of monitoring the body surface pressure and body surface temperature of the driver; A body pressure adjustment assembly is provided on the seat body (1), the body pressure adjustment assembly is connected in communication with the vital sign monitoring assembly, and the body pressure adjustment assembly can be The gauge pressure value adjusts the driver's body pressure distribution; A temperature adjustment assembly, disposed on the seat body (1), the temperature adjustment assembly is connected in communication with the vital sign monitoring assembly, and the temperature adjustment assembly can be based on the body surface temperature value monitored by the vital sign monitoring assembly The seat body (1) is heated or dissipated. 2 . The seat according to claim 1 , wherein the vital sign monitoring assembly comprises a pressure sensor ( 2 ) for monitoring the stress state of the seat body, and the seat cushion area of the seat body ( 1 ) The pressure sensor (2) is provided on both (11) and the backrest area (12). 3. The seat according to claim 2, wherein the body pressure adjustment assembly comprises an air bag lumbar support (4), and the air bag lumbar support (4) is arranged in the backrest area (12), The air bag waist support (4) can automatically inflate and deflate or stop automatic inflation and deflation according to the pressure value monitored by the pressure sensor (2). 4. The seat according to claim 2, wherein the body pressure adjustment assembly comprises an air bag side wing support (5), and the air bag side wing support (5) is provided on the seat body (1) Above, the air bag side wing support (5) can automatically inflate and deflate or stop automatic inflation and deflation according to the pressure value monitored by the pressure sensor (2). 5. The seat according to claim 1, wherein the vital sign monitoring assembly comprises a vital sign sensor (3) capable of monitoring the body surface temperature of the driver, and the seat The vital sign sensor (3) is arranged on the armrest area (13) of the chair body (1). 6. The seat according to claim 5, characterized in that the temperature adjustment assembly comprises a heating system (7), and the heating system (7) is arranged in the cushion area (11) of the seat body (1) ), the heating system (7) can start to heat or stop the seat cushion area (11) according to the body surface temperature value monitored by the vital sign sensor (3). 7. The seat according to claim 5, characterized in that the temperature adjustment assembly comprises a ventilation system (6) arranged in the backrest area (12) of the seat body (1) ), the ventilation system (6) can start to increase or stop the ventilation volume of the backrest area (12) according to the body surface temperature value monitored by the vital sign sensor (3). 8. The seat according to claim 5, characterized in that, the seat further comprises a massage system (8), the massage system (8) being arranged in the backrest area (12) of the seat body (1) ), the vital sign sensor (3) can also monitor the driver's pulse, and the massage system (8) can start massaging or stop the driver according to the pulse value monitored by the vital sign sensor (3). 9. A seat control method, characterized in that, based on the seat of any one of claims 1-8, the seat control method comprises the following steps: Set the body surface pressure preset value F ₀ , set the minimum preset value T _min and the maximum preset value T _max of the body surface temperature; The vital sign monitoring component collects the driver's body surface pressure F ₁ and the driver's body surface temperature T ₁ ; If F ₁ >F ₀ , adjust the driver's body pressure distribution; If T ₁ <T _min , heat the seat body (1) to increase the body surface temperature of the driver; If T ₁ >T _max , the seat body ( 1 ) is radiated to reduce the body surface temperature of the driver. 10. A commercial vehicle, characterized by comprising the seat according to any one of claims 1-8.

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