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1. CN207603599 - On -vehicle high limit switch with protect function

Office Chine
Numéro de la demande 201721758262.X
Date de la demande 15.12.2017
Numéro de publication 207603599
Date de publication 10.07.2018
Type de publication U
CIB
H03K 17/56
HÉLECTRICITÉ
03CIRCUITS ÉLECTRONIQUES FONDAMENTAUX
KTECHNIQUE DE L'IMPULSION
17Commutation ou ouverture de porte électronique, c. à d. par d'autres moyens que la fermeture et l'ouverture de contacts
51caractérisée par l'utilisation de composants spécifiés
56par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs
Déposants KEBODA TECHNOLOGY CO., LTD.
科博达技术股份有限公司
Inventeurs YANG CAI
阳彩
HOU XUEYUAN
侯学元
Mandataires 上海华祺知识产权代理事务所 31247
Titre
(EN) On -vehicle high limit switch with protect function
(ZH) 具有保护功能的车载高边开关
Abrégé
(EN)
The utility model discloses an on -vehicle high limit switch with protect function, including switching tube circuit, voltage stabilizing circuit, boost circuit, LDO circuit, cell voltage detection circuit, current detection circuit, controller, switch tube drive circuit and switching tube circuit. Voltage stabilizing circuit's input and output are connected with vehicle -mounted storage battery and boost circuit respectively. Boost circuit's output is connected with switch tube drive circuit's power input end. The input and the output of LDO circuit are connected with vehicle -mounted storagebattery and controller respectively. Cell voltage detection circuit and current detection circuit's output is connected with the input of controller respectively, and switching tube circuit's input is connected with vehicle -mounted storage battery's output, and switching tube circuit's output is connected with the electric heating element of automobile engine pre -heater. The output of controller is connected with switch tube drive circuit's control input end. The utility model discloses can avoid the adhesion of contacting to can ensure the work of engine preheater safe and reliable ground.

(ZH)
本实用新型公开了具有保护功能的车载高边开关,包括开关管电路、稳压电路、升压电路、LDO电路、电池电压检测电路、电流检测电路、控制器、开关管驱动电路和开关管电路。稳压电路的输入端和输出端分别与车载蓄电池和升压电路连接。升压电路的输出端与开关管驱动电路的电源输入端连接。LDO电路的输入端和输出端分别与车载蓄电池和控制器连接。电池电压检测电路和电流检测电路的输出端分别与控制器的输入端连接,开关管电路的输入端与车载蓄电池的输出端连接,开关管电路的输出端与汽车发动机预热器的电热元件连接。控制器的输出端与开关管驱动电路的控制输入端连接。本实用新型能避免触点粘连,并能保障发动机预热器安全可靠地工作。