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A kind of control method and system of vehicle ptc heater

A heating control and heater technology, applied in heating/cooling equipment, vehicle parts, transportation and packaging, etc., can solve the problems of low accuracy of PTC heater heating temperature range, PTC cannot be monitored, etc., achieve high heating efficiency and reduce peak current , the effect of accurate temperature control

Active Publication Date: 2021-02-23
乔路铭科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the problem with this solution is that when some heating pins of the PTC heater fail, the PTC cannot monitor it and turn on other normal heating pins for compensation; and the heating temperature range of the PTC heater has low accuracy

Method used

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  • A kind of control method and system of vehicle ptc heater
  • A kind of control method and system of vehicle ptc heater
  • A kind of control method and system of vehicle ptc heater

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Embodiment Construction

[0035] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0036] Such as Figure 1-2 As shown, a heating control method of a PTC heater for a vehicle, the PTC heater for a vehicle includes a plurality of heating pins; the heating control method includes steps:

[0037] S1. Receive heating control commands and output turn-on commands to each heating pin one by one;

[0038] S2. Detect whether the vehicle PTC heater reaches the preset maximum power, and if not, detect whether the temperature reaches the preset temperature;

[0039] S3. If the preset temperature is not reached, the fault number of the heating pins is detected, and the output states of the normal pins are recombined according to the fault number of the heating pins and the faulty heating pins.

[0040]Compared with...

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PUM

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Abstract

The invention relates to the technical field of vehicle heaters, and discloses a heating control method and system for a PTC heater for vehicles. The PTC heater for vehicles includes a plurality of heating pins; the heating control method includes steps: S1, receiving a heating control command and Output the start command to each heating pin one by one; S2, check whether the PTC heater for the vehicle reaches the preset maximum power, if not, check whether the temperature reaches the preset temperature; S3, if not reach the preset temperature, check the heating tube According to the number of failed heating pins and the number of failed heating pins, the output status of the normal pins is regrouped. The advantage of the present invention is that the heating pins are turned on one by one, the peak current is low, and the safety is high; and the working state of the heating pins is detected, and when some heating pins fail, other normal pins can be recombined to improve the heating efficiency. High temperature control is accurate.

Description

technical field [0001] The invention relates to the technical field of vehicle heaters, in particular to a heating control method and system for a vehicle PTC heater. Background technique [0002] With the gradual promotion and popularization of new energy vehicles, PTC electric heaters have been used more and more. PTC heaters for vehicles are devices that rely on electricity to assist in heating the compartment. PTC electric heaters use PTC thermistor elements as heat sources, among which, PTC thermistors are usually made of semiconductor materials, and the resistance of PTC thermistor elements changes with the ambient temperature, and its resistance value increases or decreases accordingly. Reduced change characteristics, so the PTC heater has the characteristics of energy saving, constant temperature, safety and long service life. [0003] Existing PTC heaters generally have the problems of low heating efficiency and inaccurate temperature control, and when some heating...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60H1/22B60H1/00
CPCB60H1/00585B60H1/2218
Inventor 黄胜全
Owner 乔路铭科技股份有限公司
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