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Seat heater control equipment using electrostatic sensors

An electrostatic sensor and control equipment technology, applied to seat heating/ventilation devices, using electromagnetic means, converting sensor output, etc., can solve problems such as affecting the measurement value of the electrostatic sensor 51

Inactive Publication Date: 2019-04-26
MAZDA MOTOR CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The operation of the seat heater may affect the measurement value of the electrostatic sensor 51

Method used

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  • Seat heater control equipment using electrostatic sensors
  • Seat heater control equipment using electrostatic sensors
  • Seat heater control equipment using electrostatic sensors

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] Hereinafter, embodiments of the present invention are explained with reference to the drawings.

[0028] figure 1 A vehicle interior of an automobile is shown, in which the seat heater control device 10 according to the embodiment of the present invention is provided. Such as figure 1 As shown, generally, the vehicle seat 13 has a main seat on which an occupant can sit, and a backrest on which the occupant can rest their back. The electrostatic sensor 11 is provided (embedded) inside the seat 13 in order to measure the capacitance between the electrostatic sensor 11 and the vehicle body 12 . Specifically, the electrostatic sensor 11 is arranged between a seat cover for the main seat and a seat cushion for the main seat. That is, the electrostatic sensor 11 is arranged near the seat cover (near the seat surface).

[0029] Various types of known electrostatic sensors can be used as the electrostatic sensor 11 . For example, the electrostatic sensor 11 has a main el...

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PUM

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Abstract

A seat heater control device provided for a vehicle including a vehicle body, a vehicle seat, and a seat heater. The seat heater control apparatus includes: an electrostatic sensor provided in a vehicle seat and configured to measure a capacitance between the electrostatic sensor and a vehicle body; and a controller configured to control the The operating and / or operating temperature of the seat heater. The controller is configured to cause the seat heater to operate at a relatively high temperature when the measured value of the electrostatic sensor is above a first threshold and below a second threshold. The controller is configured to cause the seat heater to operate at a relatively lower temperature when the measured value of the electrostatic sensor is higher than a second threshold.

Description

technical field [0001] The present invention relates to a seat heater control device configured to control an output of a seat heater through an electrostatic sensor. Background technique [0002] refer to Figure 4 The principle of the occupant detection device configured to detect the presence or absence of a passenger in a vehicle through an electrostatic sensor (capacitance sensor) is explained. Such as Figure 4 As shown, an electrostatic sensor 51 that measures capacitance between the electrostatic sensor 51 and a vehicle body 52 is buried in a vehicle seat 53 . If a passenger sits on the vehicle seat 53, the capacitance between the electrostatic sensor 51 and the vehicle body 52 increases compared to the case where no passenger sits on the vehicle seat 53, depending on the relative permittivity of the passenger (human) . Based on this principle, it is possible to judge whether or not there is a passenger on the vehicle seat 53 . [0003] JP-A-2013-186036 proposes a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60N2/00B60N2/56
CPCB60N2/5678G01D5/241B60N2/0034B60N2210/12B60N2/0033B60N2/0024G01G19/4142B60N2/56G01B7/14G01L1/142
Inventor 岩田健吾小坂真睦矢本光弘高桥恭宣
Owner MAZDA MOTOR CORP