Protective housing for protecting an electronic device from environmental conditions

Patent metadata

Field	Value
Publication number	US-11415478-B2
Application number	US-201917054475-A
Country	US
Kind code	B2
Filing date	May 14, 2019
Priority date	May 22, 2018
Publication date	Aug 16, 2022
Grant date	Aug 16, 2022

Abstract

A protective housing for protecting an electronic device includes a plurality of walls defining a casing, a plurality of partitions, and at least one flow groove. One of the walls of the housing, referred to as the main wall, has an opening covered with a membrane for exposing a part of a measuring device to atmospheric pressure. The plurality of partitions are arranged on the outer surface of the main wall and separated from each other by passages. The plurality of partitions are arranged around the opening to completely surround the opening and protect the membrane. The at least one flow groove is arranged next to the opening, in order to allow liquid that may accumulate around the opening and/or against the partitions to be discharged. The present disclosure also concerns a pressure sensor, in particular, for a tank of a motor vehicle, using such a protective housing.

First claim

The invention claimed is:

1. A protective housing for protecting an electronic device, comprising:
a plurality of walls defining a casing in which the electronic device may be disposed, wherein a main wall of the plurality of walls has an opening for exposing a part of the electronic device to atmospheric pressure, the opening being covered with a membrane and wherein the protective housing comprises:
a plurality of partitions arranged on an outer surface of the main wall and around the opening so as to surround the opening and protect a peripheral side of the membrane from the external environment, the plurality of partitions separated from each other by passages; and
at least one flow groove arranged on the outer surface of the main wall and next to the opening so as to allow liquid that might accumulate around the opening and/or against the partitions to be discharged.

2. The protective housing of claim 1 , wherein the outer surface of the main wall defines a main plane, and wherein the opening is located in the main plane.

3. The protective housing of claim 2 , wherein the partitions are perpendicular to the main wall.

4. The protective housing of claim 3 , wherein at least some of the partitions of the plurality are located a first distance from the opening, and at least others of the partitions are located at a second distance from the opening, the second distance being greater than the first distance.

5. The protective housing of claim 4 , wherein a first series of partitions of the plurality is arranged around the opening, the partitions of the first series being separated from each other by first passages, and wherein a second series of partitions of the plurality is arranged vis-à-vis the first passages so that the opening is completely surrounded by the partitions of the plurality of partitions.

6. The protective housing of claim 5 , wherein the at least one flow groove is positioned between the opening and a partition of the plurality of partitions.

7. The protective housing of claim 6 , wherein at least one partition of the plurality of partitions is formed from a side of an electrical connector.

8. The protective housing of claim 1 , wherein the partitions are perpendicular to the main wall.

9. The protective housing of claim 1 , wherein at least some of the partitions of the plurality are located a first distance from the opening, and at least others of the partitions are located at a second distance from the opening, the second distance being greater than the first distance.

10. The protective housing of claim 1 , wherein a first series of partitions of the plurality is arranged around the opening, the partitions of the first series being separated from each other by first passages, and wherein a second series of partitions of the plurality is arranged vis-à-vis the first passages so that the opening is completely surrounded by the partitions of the plurality of partitions.

11. The protective housing of claim 1 , wherein the groove is positioned between the opening and a partition of the plurality of partitions.

12. The protective housing of claim 1 , wherein at least one partition of the plurality of partitions is formed from a side of an electrical connector.

13. A pressure sensor, comprising:
a body;
an electronic pressure measuring device mounted on the body;
a protective housing connected to the body, the protective housing including a plurality of walls defining a casing in which the electronic pressure measuring device may be disposed, wherein a main wall of the plurality of walls has an opening for exposing a part of the electronic device to atmospheric pressure, and wherein the protective housing has:
a membrane connected to the protective housing and covering the opening;
a plurality of partitions arranged on an outer surface of the main wall and around the opening so as to surround the opening and protect a peripheral side of the membrane from the external environment, the plurality of partitions separated from each other by passages; and
at least one flow groove arranged on the outer surface of the main wall and next to the opening so as to allow liquid that might accumulate around the opening and/or against the partitions to be discharged.

Assignees

• A Raymond Et Cie

Inventors

• Mbaye Mansour
• Schoelzel Christian
• Rat Julien
• Jesslen Jean-Luc

Classifications

• G01L19/144 Primary

  with dismountable parts, e.g. for maintenance purposes or for ensuring sterile conditions (for detachable interface or adapter between the process medium and the pressure gauge G01L19/003) · CPC title

• G01L19/148

  Details about the circuit board integration, e.g. integrated with the diaphragm surface or encapsulation · CPC title

• G01L19/0654

  against moisture or humidity · CPC title

• G01L19/147

  Details about the mounting of the sensor to support or covering means · CPC title

• G01L19/0038

  being part of the housing (other details about the housing G01L19/14) · CPC title