DEVICE FOR SUPPLYING ENERGY TO AT LEAST ONE LOAD IN A POTENTIALLY EXPLOSIVE ATMOSPHERE

• US 20200136376A1
• Filed: 10/31/2019
• Published: 04/30/2020
• Est. Priority Date: 10/31/2018
• Status: Active Grant

• Current Assignee: Endress+Hauser Conducta Gesellschaft FUER Mess- und Regeltechnik mbH+Company KG
• Original Assignee: Endress+Hauser Conducta GmbH+Company KG
• Inventors: Felcmann, Christian
• Granted Patent: US 11,316,338 B2
• Time in Patent Office: Days
• CPC Class Codes: G05B 2219/25462 Galvanic separation, galvanic isolation
• CPC Class Codes: G05B 9/02 electric
• CPC Class Codes: H02H 9/008 Intrinsically safe circuits
• CPC Class Codes: H02H 9/02 responsive to excess current current limitation for voltage regulators G05F1/573; disconnection after limiting H02H3/025
• CPC Class Codes: H02H 9/04 responsive to excess voltage lightning arrestors H01C7/12, H01C8/04, H01G9/18, H01T

Abstract

The present disclosure relates to a device for supplying energy to at least one intrinsically safe load in a potentially explosive area, the device including: a housing with an electrical input and with at least one electrical output, the housing is encapsulated in a pressure-proof manner, the electrical input encapsulated in a pressure-proof manner, and the at least one electrical output being intrinsically safe; an ignition protection module arranged in the housing and electrically connected to the electrical input and to the at least one electrical output, wherein the ignition protection module converts an electrical voltage present at the electrical input into an intrinsically safe electrical voltage and provides it at least one electrical output there, wherein the ignition protection module converts an electrical current present at the electrical input into an intrinsically safe electrical current and provides it at the at least one electrical output there.

Claims

1. A device for supplying energy to at least one intrinsically safe load in a potentially explosive environment, the device comprising:

a housing including an electrical input and at least one electrical output, wherein the housing is encapsulated in a pressure-proof manner, the electrical input is encapsulated in a pressure-proof manner and the at least one electrical output is intrinsically safe; and

an ignition protection module, which is disposed within the housing and is electrically connected to the electrical input and to the at least one electrical output,

wherein the ignition protection module is configured to convert an electrical voltage present at the electrical input into an intrinsically safe electrical voltage and to provide the intrinsically safe electrical voltage to the at least one electrical output,

wherein the ignition protection module is configured to convert an electrical current at the electrical input into an intrinsically safe electrical current and to provide the intrinsically safe electrical current to the at least one electrical output, and

wherein the at least one electrical output has an electrical connection that is connectable to at least one intrinsically safe load.

2. The device of claim 1, wherein the electrical connection is also disconnectable.

3. The device of claim 1, wherein the electrical connection is a plug-in connection, a clamping connection or a screw connection.

4. The device of claim 1, wherein the device further has a display unit disposed within the housing, and the housing has a transparent area.

5. The device of claim 1, further comprising a communication module disposed within the housing and configured to transmit and receive data.

6. The device of claim 5, wherein the communication module is configured to transmit and/or receive data via Bluetooth or WLAN or other wireless transmission method.

7. A module for supplying energy to at least one intrinsically safe load in a potentially explosive environment, the module comprising:

a device comprising;

a housing including an electrical input and at least one electrical output, wherein the housing is encapsulated in a pressure-proof manner, the electrical input is encapsulated in a pressure-proof manner and the at least one electrical output is intrinsically safe; and

an ignition protection module, which is disposed within the housing and is electrically connected to the electrical input and to the at least one electrical output,

wherein the ignition protection module is configured to convert an electrical voltage present at the electrical input into an intrinsically safe electrical voltage and to provide the intrinsically safe electrical voltage to the at least one electrical output,

wherein the ignition protection module is configured to convert an electrical current at the electrical input into an intrinsically safe electrical current and to provide the intrinsically safe electrical current to the at least one electrical output, and

wherein the at least one electrical output has an electrical connection that is connectable to at least one intrinsically safe load;

an electrical input line; and

at least one electrical output line,

wherein the electrical input line is encapsulated in a pressure-proof manner and the at least one electrical output line is intrinsically safe.

8. The module of claim 7, wherein the electrical output line is detachably connected to the electrical output via the electrical connection.

9. The module of claim 7, wherein the at least one electrical output line has a length such that the intrinsic safety of the output line is ensured.

10. The module of claim 7, wherein the device further comprises a communication module disposed within the housing and configured to transmit and receive data, and

wherein the module further comprises a mobile device capable of exchanging data with the communication module of the device and of evaluating and storing data.