Actuating and sensing module

Patent metadata

Field	Value
Publication number	US-10908137-B2
Application number	US-201916277609-A
Country	US
Kind code	B2
Filing date	Feb 15, 2019
Priority date	Mar 30, 2018
Publication date	Feb 2, 2021
Grant date	Feb 2, 2021

Abstract

An actuating and sensing module is provided. The actuating and sensing module includes a main body, a particle monitoring base, a plurality of actuators and a plurality of sensors. The main body includes a first separating chamber having a first compartment and a second compartment and a second separating chamber having a third compartment and a fourth compartment. The plurality of actuators include a first actuator disposed between the second compartment and the first partition and a second actuator disposed within the accommodation recess. The plurality of sensors include a first sensor, a second sensor and a third sensor. The first sensor is disposed in the first compartment for monitoring the gas. The second sensor is disposed in the third compartment for monitoring the gas in the third compartment. The third sensor is located in the monitoring channel for monitoring the gas in the monitoring channel.

First claim

What is claimed is:

1. An actuating and sensing module, comprising:
a main body comprising a plurality of separating chambers, the plurality of separating chambers comprising:
a first separating chamber having a first partition, a first inlet and a first outlet, wherein interior space inside the first separating chamber is divided into a first compartment and a second compartment by the first partition, the first inlet is in fluid communication with the first compartment, and the first outlet is in fluid communication with the second compartment, wherein the first partition has a first communicating hole, and the first compartment and the second compartment are in fluid communication with each other through the first communicating hole; and
a second separating chamber assembled with the first separating chamber as a whole, and having a supporting partition, a second inlet, and a second outlet, wherein interior space inside the second separating chamber is divided into a third compartment and a fourth compartment by the supporting partition, the second inlet is in fluid communication with the third compartment, and the second outlet is in fluid communication with the fourth compartment, wherein the supporting partition has a second communicating hole, and the third compartment and the fourth compartment are in fluid communication with each other through the second communicating hole;

a particle monitoring base disposed between the third compartment and the supporting partition of the second separating chamber, wherein the particle monitoring base has a monitoring channel and an accommodation recess, wherein the accommodation recess is disposed on an end of the monitoring channel and in fluid communication with the monitoring channel;
a plurality of actuators comprising:
a first actuator disposed between the second compartment and the first partition, wherein gas is introduced into the first compartment through the first inlet, transported to the second compartment through the first communicating hole, and discharged through the first outlet by the first actuator, whereby an one-way gas transportation in the first separating chamber is formed; and
a second actuator disposed within the accommodation recess of the particle monitoring base and sealing the end of the monitoring channel, the gas is introduced into the third compartment through the second inlet, guided into the monitoring channel, transported to the fourth compartment through the second communicating hole, and discharged through the second outlet by the second actuator, whereby an one-way gas transportation in the second separating chamber is formed; and

a plurality of sensors comprising:
a first sensor disposed in the first compartment and separated from the first actuator, wherein the first sensor is configured to monitor the gas on a surface of the first sensor;
a second sensor disposed in the third compartment and configured to monitor the gas guided into the third compartment; and
a third sensor carried on the supporting partition and located in the monitoring channel of the particle monitoring base, wherein the third sensor is configured to monitor the gas guided into the monitoring channel.

2. The actuating and sensing module according to claim 1 , wherein the first separating chamber comprises a first body and a second body assembled with each other, the first partition is disposed between the first body and the second body, the first compartment is formed between the first body and the first partition, the second compartment is formed between the second body and the first partition, the first inlet is disposed between the first body and the first partition and is in fluid communication with the first compartment, and the first outlet is disposed between the second body and the first partition and is in fluid communication with the second compartment.

3. The actuating and sensing module according to claim 1 , wherein the second separating chamber comprises a third body and a fourth body assembled with each other, the supporting partition is disposed between the third body and the fourth body, the third compartment is formed between the third body and the supporting partition, the fourth compartment is formed between the fourth body and the supporting partition, the second inlet is disposed between the third body and the supporting partition and is in fluid communication with the third compartment, and the second outlet is disposed between the fourth body and the supporting partition and is in fluid communication with the fourth compartment.

4. The actuating and sensing module according to claim 1 , wherein the first sensor is a gas sensor, the second sensor is at least one selected from the group consisting of a temperature sensor and a moisture sensor, the third sensor is a light sensor, and the light sensor is a PM 2.5 sensor.

5. The actuating and sensing module according to claim 4 , wherein the gas sensor includes at least one selected from the group consisting of an oxygen sensor, a carbon monoxide sensor, a carbon dioxide sensor, a temperature sensor, an ozone sensor, a volatile organic compound sensor, a bacterium sensor, a virus sensor, a microorganism sensor and combinations thereof.

6. The actuating and sensing module according to claim 1 , wherein the first actuator is a gas pump and comprises: a gas inlet plate having at least one inlet aperture, at least one convergence channel and a convergence chamber, wherein the at least one inlet aperture allows the air to flow in, the convergence channel is disposed corresponding to the inlet aperture and guides the air from the inlet aperture toward the convergence chamber; a resonance plate having a central aperture and a movable part, wherein the central aperture is aligned with the convergence chamber, and the movable part surrounds the central aperture; and a piezoelectric actuator aligned with the resonance plate and comprising: a suspension plate being a square suspension plate and having a first surface, a second surface and a bulge, wherein the bulge is formed on the first surface; an outer frame arranged around the suspension plate and having an assembling surface; at least one bracket connected between the suspension plate and the outer fra me for elastically supporting the suspension plate; and a piezoelectric element attached on the second surface of the suspension plate, wherein when a voltage is applied to the piezoelectric element, the suspension plate is driven to undergo a bending vibration, wherein the at least one bracket is formed between the suspension plate and the outer frame, the first surface of the suspension plate and the assembling surface of the outer frame are non-coplanar, and a chamber gap is maintained between the first surface of the suspension plate and the resonance plate, wherein a gap is formed between the resonance space and the piezoelectric actuator to define a chamber space, so that the air from the at least one inlet aperture of the gas inlet plate is converged to the convergence chamber along the at least one convergence channel and flows through the central a perture of the resonance plate when the piezoelectric actuator is enabled, whereby the air is further transferred through a resonance between the piezoelectric actuator and the mova ble part of the resonance plate.

7. The actuating and sensing module according to claim 2 , wherein the first body has a first connecting perforation configured for a flexible circuit board to penetrate therethrough and connect to the first sensor, the first connecting perforation is sealed by a potting compound after connecting the flexible circuit board to the first sensor, the second body has a second connecting perforation configured for a flexible circuit board to penetrate therethro

Assignees

• Microjet Technology Co Ltd

Inventors

• Mou Hao-Jan
• Lin Ching-Sung
• Huang Chi-Feng
• Han Yung-Lung
• Chen Hsuan-Kai

Classifications

• G01N33/0009 Primary

  General constructional details of gas analysers, e.g. portable test equipment (devices for withdrawing samples in the gaseous state G01N1/22) · CPC title

• G01N33/0031

  comprising two or more sensors, e.g. a sensor array · CPC title

• F04B45/047

  Pumps having electric drive · CPC title

• G01N33/0047 Primary

  Organic compounds · CPC title

• G01N33/0016

  by regulating a physical variable, e.g. pressure or temperature · CPC title