CN113619333B - 一种防止电动汽车充电时胎压误报警的控制方法 - Google Patents
一种防止电动汽车充电时胎压误报警的控制方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
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- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
本发明公开了一种防止电动汽车充电时胎压误报警的控制方法,包括用间接式胎压控制器检测电机控制器的输出信号、充电枪连接状态信号;当检测到电机控制器的输出信号为无效信号且充电枪连接状态信号为无效信号时,间接式胎压控制器向仪表输送胎压故障信号;当检测到的输出信号、充电枪连接状态信号为其它状态时,间接式胎压控制器不向仪表输送胎压故障信号,本发明能够解决新能源电动汽车充电时,电机控制器休眠时,胎压误报警问题;间接式胎压报警控制器增加充电控制方法,在有电动车充电信号和电机控制器信号消失两个条件同时满足时,胎压系统默认不报警。
Description
技术领域
本发明涉及电动汽车胎压报警领域,具体涉及一种防止电动汽车充电时胎压误报警的控制方法。
背景技术
间接式胎压监测的工作原理是当轮胎的气压降低时,车辆的重量会使该轮的滚动半径变小,导致其转速比其他车轮快;同时该轮的共振频率会下降,通过比较轮胎之间的转速和共振频率的差别,以达到监测胎压的目的。
间接式胎压系统需要获取电机控制器(MCU)的电机扭矩信号来判断车辆的载荷状态,以精准判断轮胎是否胎压减小。
新能源电动汽车充电时客户经常在车内开空调或开暖风等操作,并且必须开启电火钥匙,此时MCU运行一段时间后会默认进行休眠,以达到节省电量的目的。此时电机控制器(MCU)信号丢失。间接式胎压控制器就会默认电机有故障,进行胎压故障报警,以提示驾驶员;此时会对驾驶员造成误导。
发明内容
针对上述存在的技术不足,本发明的目的是提供一种防止电动汽车充电时胎压误报警的控制方法,能够解决新能源电动汽车充电时,电机控制器休眠时,胎压误报警问题。
为解决上述技术问题,本发明采用如下技术方案:
本发明提供一种防止电动汽车充电时胎压误报警的控制方法,包括用间接式胎压控制器检测电机控制器的输出信号、充电枪连接状态信号;当检测到电机控制器的输出信号为无效信号且充电枪连接状态信号为无效信号时,间接式胎压控制器向仪表输送胎压故障信号;当检测到的输出信号、充电枪连接状态信号为其它状态时,间接式胎压控制器不向仪表输送胎压故障信号。
优选地,所述间接式胎压控制器检测电机控制器的输出信号,如电机控制器的输出信号为有效信号,则间接式胎压控制器输出胎压故障无效信号,仪表接收到胎压故障无效信号。
优选地,所述间接式胎压控制器同时检测电机控制器的输出信号、充电枪连接状态信号,如电机控制器的输出信号为无效信号且充电枪连接状态信号为有效信号,则间接式胎压控制器输出胎压故障无效信号,仪表接收到胎压故障无效信号。
优选地,所述间接式胎压控制器同时检测电机控制器的输出信号、充电枪连接状态信号,如电机控制器的输出信号为无效信号且充电枪连接状态信号为无效信号,则间接式胎压控制器输出胎压故障有效信号,仪表接收到胎压故障有效信号。
优选地,所述仪表上设置有报警灯,所述仪表接收到胎压故障有效信号报警灯亮,所述仪表接收到胎压故障无效信号报警灯不亮。
优选地,所述电机控制器的输出信号为电机扭矩信号。
本发明的有益效果在于:
本发明能够解决新能源电动汽车充电时,电机控制器休眠时,胎压故障误报警问题;间接式胎压报警控制器增加充电控制方法,在有电动车充电信号和电机控制器信号消失两个条件同时满足时,胎压系统默认不报警,只有在电机控制器的输出信号为无效信号且充电枪连接状态信号为无效信号时,仪表才会进行胎压故障报警,避免了新能源电动汽车充电时,电机控制器休眠时,胎压故障误报警。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为本发明的硬件连接示意图;
图2为本发明的控制方法示意图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
如图1至图2所示,本实例提供一种防止电动汽车充电时胎压误报警的控制方法,包括用间接式胎压控制器检测电机控制器的输出信号、充电枪连接状态信号;当检测到电机控制器的输出信号为无效信号且充电枪连接状态信号为无效信号时,间接式胎压控制器向仪表输送胎压故障信号;当检测到的输出信号、充电枪连接状态信号为其它状态时,间接式胎压控制器不向仪表输送胎压故障信号。
建立如图1状态的硬件连接,将充电机(OBC)、电机控制器(MCU)与间接式胎压控制器(i-TPMS)电连接,将间接式胎压控制器(i-TPMS)与仪表(IC)电连接;本实例的充电机(OBC)、电机控制器(MCU)、间接式胎压控制器(i-TPMS)、仪表(IC)采用本领域技术人员所熟知的产品或结构,其相关之间的连接采用本领域技术人员所熟知的连接方式电连接。
本实例的方法具体表现为以下3个逻辑:
逻辑1:间接式胎压控制器(i-TPMS)接收电机控制器(MCU)的输出信号(信号:1有效,0无效),如输出信号为“1”,则间接式胎压控制器(i-TPMS)输出胎压故障信号“0”(信号:1有效,0无效),仪表(IC)接收到胎压故障信号“0”,仪表上的胎压报警灯“不报警”。
逻辑2:间接式胎压控制器(i-TPMS)接收电机控制器(MCU)的输出信号(信号:1有效,0无效),如输出信号为“0”,同时间接式胎压控制器(i-TPMS)检测充电机(OBC)的充电枪连接状态信号(信号:1有效,0无效),如充电机(OBC)输出的充电枪连接状态信号为“1”,则间接式胎压控制器(i-TPMS)输出胎压故障信号“0”(信号:1有效,0无效),仪表(IC)接收到胎压故障信号“0”,仪表上的胎压报警灯“不报警”。
逻辑3:间接式胎压控制器(i-TPMS)接收电机控制器(MCU)的输出信号(信号:1有效,0无效),如输出信号为“0”,同时间接式胎压控制器(i-TPMS)检测充电机(OBC)的充电枪连接状态信号(信号:1有效,0无效),如充电机(OBC)输出的充电枪连接状态信号为“0”,则间接式胎压控制器(i-TPMS)输出胎压故障信号“1”(信号:1有效,0无效),仪表(IC)接收到胎压故障信号“1”,仪表上的胎压报警灯“报警”。
本实施例能够解决新能源电动汽车充电时,电机控制器休眠时,胎压故障误报警问题;间接式胎压报警控制器增加充电控制方法,在有电动车充电信号和电机控制器信号消失两个条件同时满足时,胎压系统默认不报警,只有在电机控制器的输出信号为无效信号且充电枪连接状态信号为无效信号时,仪表才会进行胎压故障报警,避免了新能源电动汽车充电时,电机控制器休眠时,胎压故障误报警。
显然,本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样,倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内,则本发明也意图包含这些改动和变型在内。
Claims (2)
1.一种防止电动汽车充电时胎压误报警的控制方法,其特征在于,包括用间接式胎压控制器检测电机控制器的输出信号、充电枪连接状态信号;当检测到电机控制器的输出信号为无效信号且充电枪连接状态信号为无效信号时,间接式胎压控制器向仪表输送胎压故障信号;当检测到的电机控制器的输出信号、充电枪连接状态信号为其它状态时,间接式胎压控制器不向仪表输送胎压故障信号,所述电机控制器的输出信号为电机扭矩信号,如电机控制器的输出信号为有效信号,则间接式胎压控制器输出胎压故障无效信号,仪表接收到胎压故障无效信号,如电机控制器的输出信号为无效信号且充电枪连接状态信号为有效信号,则间接式胎压控制器输出胎压故障无效信号,仪表接收到胎压故障无效信号,如电机控制器的输出信号为无效信号且充电枪连接状态信号为无效信号,则间接式胎压控制器输出胎压故障有效信号,仪表接收到胎压故障有效信号。
2.如权利要求1所述的一种防止电动汽车充电时胎压误报警的控制方法,其特征在于,所述仪表上设置有报警灯,所述仪表接收到胎压故障有效信号报警灯亮,所述仪表接收到胎压故障无效信号报警灯不亮。
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