CN219038982U

CN219038982U - Support gaseous detector of multiple gaseous detection

Info

Publication number: CN219038982U
Application number: CN202223462327.XU
Authority: CN
Inventors: 姜伟波; 陆熊
Original assignee: Indsci Sensing Instr Shanghai Co ltd
Current assignee: Indsci Sensing Instr Shanghai Co ltd
Priority date: 2022-12-24
Filing date: 2022-12-24
Publication date: 2023-05-16
Anticipated expiration: 2032-12-24

Abstract

The utility model relates to the technical field of gas detection, in particular to a gas detector for supporting detection of multiple gases, which comprises: a controller and at least one sensor module; the sensor module includes: the sensor comprises a sensor link module, a programmable gas sensor chip, a sensor interface and a memory. The gas detector for supporting multiple gas detection changes the measurement precision and the measurement range of the programmable gas sensor chip by calling algorithm information stored in the memory and used for detecting different gases through the controller, so that the programmable gas sensor chip is suitable for detecting different gases, detection signals are fed back to the controller through the sensor link module by the programmable gas sensor chip detection, and compared with a traditional gas detector, the gas detector can realize detection of different gases by adopting different algorithms, improves the detectable range of the detector for different gas types and is convenient to use.

Description

Support gaseous detector of multiple gaseous detection

Technical Field

The utility model relates to the technical field of gas detection, in particular to a gas detector for supporting detection of multiple gases.

Background

The gas detector is an instrument for detecting gas leakage concentration, and comprises: portable gas detector, hand-held gas detector, stationary gas detector, on-line gas detector, etc. Gas sensors are mainly used for detecting the gas species present in the environment, and are sensors for detecting the composition and content of the gas.

At present, the existing gas detector controller is connected with a gas detection sensor through a sensor link module, the gas detection sensor feeds back detection signals to the controller after detecting the gas in the environment, the controller analyzes the gas components according to the stored detection algorithm, but the detection signals fed back by the gas detection sensor of a certain model in the detection process can only realize the detection of specific gas concentration according to a specific detection algorithm, and when detecting different gas components, the gas detector stored with different detection algorithms needs to be replaced, so that the gas detector is very inconvenient to use. In view of this, we propose a gas detector that supports multiple gas detections.

Disclosure of Invention

The present utility model is directed to a gas detector for supporting multiple gas detection, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a gas detector for supporting detection of a plurality of gases, comprising: a controller and at least one sensor module; the sensor module includes: the sensor comprises a sensor link module, a programmable gas sensor chip, a sensor interface and a memory; the signal output end of the sensor link module is connected with a SIG_TOX pin of the controller; two groups of signal input ends of the sensor interface are respectively connected with an SCL pin and an SDA pin of the controller, and three groups of signal output ends of the sensor interface are respectively connected with a CO contact, a W0 contact and an R0 contact of the programmable gas sensor chip; the memory is connected to the programmable gas sensor chip and is used for storing algorithm information of various different gas detections.

Preferably, the controller is further connected with a battery module for supplying power to the controller.

Preferably, the controller is also connected with a temperature measuring module for measuring the ambient temperature of the gas to be detected.

Preferably, the temperature measurement module is a temperature sensor.

Preferably, the controller is further connected with a communication module for transmitting gas detection data.

Preferably, the communication module is an infrared transceiver.

Preferably, the controller is also connected with an audible and visual vibration alarm which gives an alarm when the gas detection data detects abnormality.

Compared with the prior art, the utility model has the beneficial effects that: the gas detector for supporting multiple gas detection changes the measurement precision and the measurement range of the programmable gas sensor chip by calling algorithm information stored in the memory and used for detecting different gases through the controller, so that the programmable gas sensor chip is suitable for detecting different gases, detection signals are fed back to the controller through the sensor link module by the programmable gas sensor chip detection, and compared with a traditional gas detector, the gas detector can realize detection of different gases by adopting different algorithms, improves the detectable range of the detector for different gas types and is convenient to use.

Drawings

FIG. 1 is a schematic block diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the circuit connections of the controller according to the present utility model;

fig. 3 is a schematic diagram of circuit connection of a sensor module according to the present utility model.

In the figure: 1. a controller; 2. a sensor module; 21. a sensor link module; 22. a programmable gas sensor chip; 23. a sensor interface; 24. a memory; 3. a battery module; 4. a temperature measurement module; 5. a communication module; 6. an audible and visual vibration alarm.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

A gas detector for supporting multiple gas detections, as shown in fig. 1, 2 and 3, comprising: a controller 1 and at least one sensor module 2; the sensor module 2 includes: a sensor link module 21, a programmable gas sensor chip 22, a sensor interface 23 and a memory 24; the three groups of signal input ends of the sensor link module 21 are respectively connected with a CO contact, a W0 contact and an R0 contact of the programmable gas sensor chip 22, and the signal output end of the sensor link module 21 is connected with a SIG_TOX pin of the controller 1; two groups of signal input ends of the sensor interface 23 are respectively connected with an SCL pin and an SDA pin of the controller 1, and three groups of signal output ends of the sensor interface 23 are respectively connected with a CO contact, a W0 contact and an R0 contact of the programmable gas sensor chip 22; a memory 24 is connected to the programmable gas sensor chip 22 for storing a variety of different gas detection algorithm information. Therefore, the gas detector uses the algorithm information stored in the memory 24 for detecting different gases to change the measurement precision and measurement range of the programmable gas sensor chip 22 through the controller 1, so that the programmable gas sensor chip 22 is suitable for detecting different gases, and the detection signals are fed back to the controller 1 through the sensor link module 21 during detection.

The controller 1 is also connected to a battery module 3 for supplying power thereto. The battery module 3 in this embodiment is a charge-discharge storage battery, and is configured to supply power to the controller 1, and further perform charging for cruising when the electric quantity is exhausted.

Further, the controller 1 is further connected with a temperature measurement module 4 for measuring the ambient temperature of the gas to be detected, and the temperature measurement module 4 is a temperature sensor. The gas detector can sense the ambient temperature through the controller 1 so as to acquire the more proper ambient temperature for gas detection.

Specifically, the controller 1 is also connected with a communication module 5 for transmitting gas detection data; the communication module 5 is an infrared receiving transmitter. The infrared receiving transmitter is used as the communication module 5, so that detection data of the gas detector can be remotely transmitted to a PC end or mobile end device, and data transmission is facilitated.

The controller 1 is also connected to an audible and visual vibration alarm 6 for giving an alarm when the gas detection data is abnormal. The audible and visual vibration alarm 6 can give an alarm in the form of sound, light and vibration to prompt the user to detect the abnormality in the gas detected by the user when the gas detection data detects the abnormality.

It should be noted that, as shown in fig. 2, a schematic circuit connection diagram of the controller is shown, as shown in fig. 3, a schematic circuit connection diagram of the sensor module is shown, the sensor link module, the battery module, the temperature measurement module and the communication module in this embodiment are all in the prior art, and a person skilled in the art can complete the connection of pins through the prior art to achieve the technical effects described in the present utility model, and the wiring principle thereof is not repeated here.

When the gas detector supporting multiple gas detection in this embodiment is used, algorithm information for detecting different gases stored in the memory 24 is called by the controller 1 to change the measurement accuracy and measurement range of the programmable gas sensor chip 22, so that the programmable gas sensor chip 22 is suitable for detecting different gases, detection signals are fed back to the controller 1 through the sensor link module 21 during detection, and compared with a traditional gas detector, the gas detector can realize detection of different gases by adopting different algorithms, and improves the detectable range of the detector for different gas types, and is convenient to use.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A gas detector for supporting the detection of a plurality of gases, comprising: a controller (1) and at least one sensor module (2); the sensor module (2) comprises: a sensor link module (21), a programmable gas sensor chip (22), a sensor interface (23) and a memory (24); wherein,,

three groups of signal input ends of the sensor link module (21) are respectively connected with a CO contact, a W0 contact and an R0 contact of the programmable gas sensor chip (22), and a signal output end of the sensor link module (21) is connected with a SIG_TOX pin of the controller (1);

two groups of signal input ends of the sensor interface (23) are respectively connected with an SCL pin and an SDA pin of the controller (1), and three groups of signal output ends of the sensor interface (23) are respectively connected with a CO contact, a W0 contact and an R0 contact of the programmable gas sensor chip (22);

the memory (24) is connected to the programmable gas sensor chip (22) for storing algorithm information for a plurality of different gas detections.

2. The gas detector supporting multiple gas detection of claim 1, wherein: the controller (1) is also connected with a battery module (3) for supplying power to the controller.

3. The gas detector supporting multiple gas detection of claim 1, wherein: the controller (1) is also connected with a temperature measuring module (4) for measuring the ambient temperature of the gas to be detected.

4. A gas detector for supporting multiple gas detection according to claim 3, wherein: the temperature measuring module (4) is a temperature sensor.

5. The gas detector supporting multiple gas detection of claim 1, wherein: the controller (1) is also connected with a communication module (5) for transmitting gas detection data.

6. The gas detector for supporting multiple gas detection according to claim 5, wherein: the communication module (5) is an infrared transceiver.

7. The gas detector for supporting multiple gas detection according to claim 5, wherein: the controller (1) is also connected with an audible and visual vibration alarm (6) which gives an alarm when the gas detection data detect abnormality.