SENSORS UNIT AND AIR COMPRESSOR SYSTEM WITH SUCH A SENSORS UNIT

• US 20200132564A1
• Filed: 10/22/2019
• Published: 04/30/2020
• Est. Priority Date: 10/24/2018
• Status: Active Application

• Current Assignee: Dürr Dental SE
• Original Assignee: Dürr Dental SE
• Inventors: Hatzfeld, Falk
• Application Number:
  US16/660,351
• Publication Number:
  US 20200132564A1
• Time in Patent Office: Days
• CPC Class Codes: F04B 41/02 having reservoirs
• CPC Class Codes: F04B 49/06 Control using electricity regulating by means of floats actuating electric switches F04B49/04
• CPC Class Codes: F04B 49/08 Regulating by delivery pressure
• CPC Class Codes: G01D 11/245 Housings for sensors
• CPC Class Codes: G01D 11/30 Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
• CPC Class Codes: G01D 21/02 Measuring two or more variables by means not covered by a single other subclass
• CPC Class Codes: G01L 19/0084 to the outside of the housing other details about the housing see G01L19/14
• CPC Class Codes: G01L 19/0092 Pressure sensor associated with other sensors, e.g. for measuring acceleration or temperature G01L9/025, G01L9/045, G01L9/065, G01L9/085, G01L9/105, G01L9/125, G01L19/02, G01L19/04 take precedence; measuring two or more variable G01D21/02; temperature sensors with pressure compensation G01K1/26
• CPC Class Codes: G01L 19/083 electrical
• CPC Class Codes: G01L 19/148 Details about the circuit board integration, e.g. integrated with the diaphragm surface or encapsulation
• CPC Class Codes: G01M 3/24 using infrasonic, sonic, or ultrasonic vibrations
• CPC Class Codes: G01M 3/3236 by monitoring the interior space of the containers
• CPC Class Codes: G01M 99/005 Testing of complete machines, e.g. washing-machines or mobile phones testing of machine parts G01M13/00; testing of electric apparatus or components G01R31/50

Abstract

A sensors unit for an air compressor system, in a mutual module housing, includes: a pressure measuring unit for measuring a pressure; at least one further measuring unit for measuring another physical and/or chemical quantity; an evaluation and control unit configured to control the pressure measuring unit for measuring the pressure and the further measuring unit for measuring the other physical and/or chemical quantity as well as to provide measurement data; and an external interface for the output of the provided measurement data.

Claims

1. A sensors unit for an air compressor system, the sensors unit, in a mutual module housing, comprising:

a) a pressure measuring unit for measuring a pressure,

b) at least one further measuring unit for measuring another physical and/or chemical quantity,

c) an evaluation and control unit configured to control the pressure measuring unit for measuring the pressure and the further measuring unit for measuring the other physical and/or chemical quantity as well as to provide measurement data, and

d) an external interface for the output of the provided measurement data.

2. The sensors unit according to claim 1, wherein the at least one further measuring unit is at least one of the following group:

a temperature measuring unit;

a humidity measuring unit;

an ambient pressure measuring unit;

an ambient temperature measuring unit;

an acceleration sensor;

a noise detection unit;

or a pollutant measuring unit.

3. The sensors unit according to claim 1, wherein the evaluation and control unit is configured to perform a pre-processing of the measurement data in the sensors unit.

4. The sensors unit according to claim 3, wherein the evaluation and control unit is configured to conduct a transformation as a function of measurement data of at least two different measuring units.

5. The sensors unit according to claim 1, wherein, as the at least further measuring unit, a humidity measuring unit for measuring the humidity and a temperature measuring unit for measuring the temperature are provided, and wherein the evaluation and control unit is configured to determine the dew point from the measurement data and to provide the dew point at the external interface.

6. The sensors unit according to claim 1, wherein, as the at least one further measuring unit, an acceleration sensor is provided, and wherein the evaluation and control unit is configured to identify defects at the compressor unit from the measurement data.

7. The sensors unit according to claim 1, wherein, as the at least one further measuring unit, a noise detection unit is provided, and wherein the evaluation and control unit is configured to identify defects at the compressor unit and/or a leakage in the air compressor system from the measurement data.

8. An air compressor system comprising:

a) a pressurized air tank; and

b) a compressor,

wherein the air compressor system includes a sensors unit according to claim 1.

9. The air compressor system according to claim 8, wherein the sensors unit is arranged on the pressurized air tank.

10. The air compressor system according to claim 9, wherein a part of the sensors unit provided with the pressure measuring unit and/or with the at least one further measuring unit protrudes into an interior of the pressurized air tank.

11. The air compressor system according to claim 10, wherein the part of the sensors unit protrudes in the interior of the pressurized air tank by about 1 cm (0.39 in) or more.