8 pin 1411001-1 Automotive Connector Air Flow Meter Socket Parking Sensor Module Plug 0.6 Series

4. HVIL (High Voltage Interlock)

(4.1) Design HVIL functional purpose

Confirm the integrity of the entire high-voltage system. When the high-voltage system circuit is disconnected or the integrity is damaged, the safety measures of the entire vehicle are activated.

(4.2) Realization of HVIL function

a. The entire system structure is required, and it must be designed in when the system is developed;

b. Mainly through the connector;

c. The HVIL circuit is a low-voltage power circuit, which is independent from the power circuit.

(4.3) Principle of connector HVIL function realization

Power and signal terminals shall meet:

——When connecting, the power terminal should be connected first, and then the signal terminal should be connected.

——When disconnecting, the signal terminal should be disconnected first, and then the power terminal should be disconnected.

Special note: The connection of the power terminal indicates good contact, and virtual contact is unacceptable

5.shielding

Alternating electric field shielding: In order to reduce the coupling interference voltage of the alternating electric field to the sensitive circuit, a metal shield with good conductivity can be installed between the interference source and the sensitive circuit, and the metal shield should be grounded.

The main difference between shielded and unshielded connectors is whether there is a metal shield with good conductivity.

6. Protection level

The IP protection level is composed of two numbers. The first marked number indicates the level of dustproof and foreign object intrusion prevention of electrical appliances, and the second marked number indicates the degree of airtightness of electrical appliances against moisture and water intrusion. The larger the number, the higher the protection level. The higher the level.

7. Outgoing way

It mainly refers to the angle between the cable outlet angle at the tail of the electrical connector plug and the normal direction of the socket mounting surface. According to this division, the common ones are 90° (bent) and 180° (straight) outlet electrical connectors.

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