CN114034824A

CN114034824A - Automatic gas calibration system

Info

Publication number: CN114034824A
Application number: CN202111569624.1A
Authority: CN
Inventors: 宋涛; 王海涛
Original assignee: Shandong Yaoan Electronic Technology Development Co ltd
Current assignee: Shandong Yaoan Electronic Technology Development Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-02-11

Abstract

The invention discloses an automatic gas calibration system which comprises a detection unit, an adjustment and calibration unit and a feedback unit, wherein the output end of the detection unit is electrically connected with the adjustment and calibration unit through a main line; according to the gas concentration input into the sealed cabinet and the concentration detected by the gas detector, which gas detectors are accurate is judged, and inaccurate detectors are calibrated, after the gas detectors are adjusted, the calibration module is adjusted to collect signals of the gas detectors again, and the gas detectors are calibrated according to the concentration set by the feedback module, so that the aim of calibrating a plurality of detectors at one time is fulfilled, the detection efficiency is improved, and the labor intensity of people is greatly improved.

Description

Automatic gas calibration system

Technical Field

The invention relates to the field of gas detection equipment, in particular to an automatic gas calibration system.

Background

A gas detector is an instrument that detects the concentration of a gas. The instrument is suitable for dangerous places with combustible or toxic gas, and can continuously detect the content of the detected gas in the air within the lower explosion limit for a long time. The device can be widely applied to various industries with combustible or toxic gas such as gas, petrochemical industry, metallurgy, steel, coking, electric power and the like, and is an ideal monitoring instrument for ensuring property and personal safety.

However, in the prior art, the gas detectors are respectively detected, the speed is slow, and the gas concentration cannot be adjusted, so that an automatic gas calibration system is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide an automatic gas calibration system, a plurality of gas detectors are simultaneously arranged in a sealed cabinet, high-concentration detection gas is introduced into a cabinet, the gas contains a plurality of harmful gas components, the detectors in the cabinet are used for detecting, the gas detectors are connected in parallel, an interface is in a bus form, each gas detector is provided with an independent number, the number identifies the signal transmitted to an adjusting and calibrating module as the signal of which detector, then the adjusting and calibrating module is used for processing the signal, the gas detectors are judged to be accurate according to the concentration of the gas input into the sealed cabinet and the concentration detected by the gas detectors, inaccurate detectors are calibrated, and the adjusting and calibrating module is used for collecting the signals of the gas detectors again after adjustment, and the gas detector is calibrated according to the concentration set by the feedback module, so that the aim of calibrating a plurality of detectors at one time is fulfilled, the detection efficiency is improved, and the labor of people is greatly improved.

Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

An automatic gas calibration system comprises a detection unit, an adjustment and calibration unit and a feedback unit, wherein the output end of the detection unit is electrically connected with the adjustment and calibration unit through a main line, the output end of the adjustment and calibration unit is electrically connected with the feedback unit through the main line, and the feedback unit is used for reading detection data of the detection unit;

the gas detector comprises a detection unit, a plurality of gas detectors and a regulation and calibration unit, wherein the detection unit consists of the plurality of gas detectors, each gas detector is connected in parallel through a main line, the plurality of gas detectors are arranged in a sealed cabinet and used for detecting the concentration of an input gas component, each gas detector is provided with an independent code ID, the independent ID of each gas detector is transmitted to the regulation and calibration unit through the main line, the regulation and calibration unit judges, and each gas detector can be separately calibrated and calibrated through the ID information of the gas detector;

the gas type calibration module is used for adjusting and calibrating the adjustment of the gas detector on the detection of the gas type in the sealed cabinet, the gas concentration calibration module is used for adjusting and calibrating the adjustment of the gas detector on the detection of the gas concentration data in the sealed cabinet, the equipment ID identification module is used for identifying the ID information of each gas detector, and the data information input module is used for filling in the type of the input calibration gas and the concentration value of the calibration gas;

the feedback unit, inside concentration reading module and the concentration adjustment module of being equipped with of feedback unit, the feedback unit receives the information of adjusting the calibration unit and handles, and the concentration reading module can read gas concentration according to the information of adjusting the calibration unit, and the concentration adjustment module is used for the concentration to read the gas concentration in the data back to sealed cabinet and adjusts.

Furthermore, a storage module is arranged in the feedback unit and used for storing the data of the gas concentration.

Furthermore, the inside of adjusting the calibration unit is provided with a WiFi module and a Bluetooth module, and the WiFi module and the Bluetooth module are used for connecting intelligent equipment to fill in the gas data information required to be calibrated.

Further, the gas detector comprises a bottom shell, an inner cavity is arranged in the bottom shell, an expansion plate is arranged at the bottom side in the inner cavity, a circuit board base is arranged on the outer side of the expansion board and positioned in the inner cavity, a circuit board middle shell is arranged on the outer side of the circuit board base and positioned in the inner cavity, the outer side of the circuit board middle shell is positioned in the inner cavity and is provided with a control panel, the outer side of the control panel is positioned in the inner cavity and is provided with a display panel, the outer side of the display panel is positioned in the inner cavity and is provided with a circuit board upper cover, the front surface of the bottom shell is fixedly provided with a front cover, the lower end of the bottom shell is provided with an upper sensor shell, the lower end of the upper sensor shell is fixedly provided with a sensor body, the lower end of the sensor upper shell is fixedly provided with a sensor lower shell, the sensor lower shell covers the sensor body, and the side wall of the lower shell is fixedly provided with an acousto-optic alarm lamp.

Furthermore, three groups of screws are inserted into the periphery of the front cover at equal angles, three groups of screw holes are formed in the front surface of the bottom shell corresponding to the screws on the periphery of the front cover, and the front cover is connected with the screw holes in a threaded mode and installed on the front surface of the bottom shell.

Furthermore, the upper end of the bottom shell is provided with a nameplate.

Furthermore, the two sides of the back surface and the upper end of the bottom shell are integrally connected with mounting lugs, and mounting holes are formed in the mounting lugs.

Advantageous effects

Compared with the prior art, the invention has the advantages that:

the scheme is that a plurality of gas detectors are simultaneously installed in a sealed cabinet, high-concentration detection gas is introduced into the cabinet, the gas contains a plurality of harmful gas components, the detectors in the cabinet detect, the gas detectors are connected in parallel, an interface adopts a bus form, each gas detector has an independent number, a signal transmitted to an adjusting and calibrating module is identified as the signal of which detector through the number, then the adjusting and calibrating module judges which gas detector is accurate according to the gas concentration input into the sealed cabinet and the concentration detected by the gas detectors after processing the signal, and calibrates inaccurate detectors, and after adjustment, the adjusting and calibrating module collects the signal of the gas detectors again and calibrates the gas detectors according to the concentration set by a feedback module, the purpose of once only can carry out the timing to a plurality of detectors has been realized, has promoted detection efficiency, great improvement people's worker.

Drawings

FIG. 1 is a block diagram of a system of the present invention;

FIG. 2 is a flowchart of the process of the present invention;

FIG. 3 is a schematic view of the structure of the gas detector of the present invention.

The reference numbers in the figures illustrate:

1. a front cover; 2. an upper cover of the circuit board; 3. a display panel; 4. a control panel; 5. a circuit board middle shell; 6. a circuit board base; 7. an expansion board; 8. a bottom case; 9. a sensor upper shell; 10. a sensor body; 11. a sensor lower case; 12. an inner cavity; 13. an acousto-optic alarm lamp; 14. a nameplate; 15. a gas detector; 16. a detection unit; 17. adjusting the calibration unit; 171. a gas species calibration module; 172. a gas concentration calibration module; 173. a device ID identification module; 174. a data information input module; 175. a WiFi module; 176. a Bluetooth module; 18. a feedback unit; 181. a concentration reading module; 182. a concentration adjustment module; 183. a storage module; 19. a screw; 20. a screw hole; 21. mounting lugs; 22. and (7) installing holes.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1 to 3, an automatic gas calibration system includes a detection unit 16, an adjustment calibration unit 17 and a feedback unit 18, wherein an output end of the detection unit 16 is electrically connected to the adjustment calibration unit 17 through a main line, an output end of the adjustment calibration unit 17 is electrically connected to the feedback unit 18 through a main line, and the feedback unit 18 is configured to read detection data of the detection unit 16;

the gas detection device comprises a detection unit 16, wherein the detection unit 16 is composed of a plurality of gas detectors 15, each gas detector 15 is connected in parallel through a main line, the plurality of gas detectors 15 are installed inside a sealed cabinet and used for detecting the concentration of input gas components, each gas detector 15 is provided with an independent code ID, the independent ID of each gas detector 15 is transmitted to an adjusting and calibrating unit 17 through the main line, the adjusting and calibrating unit 17 judges, and each gas detector 15 can be separately adjusted and calibrated through the ID information of the gas detector 15;

the gas detection device comprises an adjustment calibration unit 17, wherein the adjustment calibration unit 17 comprises a gas type calibration module 171, a gas concentration calibration module 172, a device ID identification module 173 and a data information input module 174, the gas type calibration module 171 is used for calibrating the adjustment of the gas detector 15 on the detection of the gas types inside the sealed cabinet, the gas concentration calibration module 172 is used for calibrating the adjustment of the gas detector 15 on the detection of the gas concentration data inside the sealed cabinet, the device ID identification module 173 is used for identifying the ID information of each gas detector 15, the data information input module 174 is used for filling in the types of the input calibration gas and the concentration value of the calibration gas, the adjustment calibration unit 17 is also internally provided with a WiFi module 175 and a Bluetooth module 176, and the WiFi module 175 and the Bluetooth module 176 are used for connecting intelligent devices to fill in the gas data information needing to be calibrated;

the gas concentration regulating device comprises a feedback unit 18, a concentration reading module 181 and a concentration regulating module 182 are arranged in the feedback unit 18, the feedback unit 18 receives and regulates the information of the calibrating unit 17 for processing, the concentration reading module 181 can read the gas concentration according to the information of the regulating and calibrating unit 17, the concentration regulating module 182 is used for regulating the gas concentration in the sealed cabinet after the concentration reading module 181 reads data, a storage module 183 is arranged in the feedback unit 18, and the storage module 183 is used for storing the data of the gas concentration.

Referring to fig. 2, the gas detector 15 includes a bottom shell 8, an inner cavity 12 is formed inside the bottom shell 8, an expansion board 7 is installed on the bottom side inside the inner cavity 12, a circuit board base 6 is installed inside the inner cavity 12 on the outer side of the expansion board 7, a circuit board middle shell 5 is installed inside the inner cavity 12 on the outer side of the circuit board base 6, a control board 4 is installed inside the inner cavity 12 on the outer side of the circuit board middle shell 5, a display board 3 is installed inside the inner cavity 12 on the outer side of the control board 4, a circuit board upper cover 2 is installed inside the inner cavity 12 on the outer side of the display board 3, a front cover 1 is fixedly installed on the front surface of the bottom shell 8, a sensor upper shell 9 is installed on the lower end of the bottom shell 8, a sensor body 10 is fixedly installed on the lower end of the sensor upper shell 9, and a sensor lower shell 11 is fixedly installed on the lower end of the sensor upper shell 9, the sensor body 10 is covered by the sensor lower shell 11, an acousto-optic alarm lamp 13 is fixedly mounted on the side wall of the bottom shell 8, and the infrared remote control unit is electrically connected with a gas detection unit; all sides of protecgulum 1 wait the angle interlude have three screw 19 of group, three screw 20 of group have been seted up to the screw 19 that the front of drain pan 8 corresponds 1 all sides of protecgulum, protecgulum 1 is installed in the front of drain pan 8 through screw 19 and 20 threaded connection of screw, has made things convenient for the dismouting to protecgulum 1, if inside spare part damages and conveniently changes, the upper end of drain pan 8 is equipped with data plate 14, helps identification means model information, and the person of being convenient for knows the operative installations, the back both sides and the upper end homogeneous formula of drain pan 8 are connected with installation ear 21, the inside of installation ear 21 is equipped with mounting hole 22, through setting up installation ear 21 and mounting hole 22, has made things convenient for and has installed this device.

Referring to fig. 1 to 3, in use, a plurality of gas detectors 15 in the detection unit 16 are installed inside the sealed cabinet, the detectors are connected in parallel, the interface is in a bus form, each detector has an independent ID address, and the signal transmitted to the adjustment calibration unit 17 is identified as the signal of which detector by the independent ID address; conveying gas to be detected with a calibrated concentration in a sealed cabinet, running a program, configuring parameters of a serial port, connecting each gas detector 15 in a detection unit 16 with an adjusting and calibrating unit 17 and a feedback unit 18, completely filling data information by using a data information input module 174 in the adjusting and calibrating unit 17, selecting the type of the calibration gas, calibrating a plurality of gas detectors 15 in the detection unit 16 by using the adjusting and calibrating unit 17, carrying out zero setting on the plurality of gas detectors 15 in the detection unit 16, entering the next step if the data information is zero set, returning to the adjusting and calibrating unit 17 if the data is not zero set, carrying out zero resetting calibration on the plurality of gas detectors 15 in the detection unit 16, detecting the gas data in the sealed cabinet by the gas detectors 15 after entering the next step, and acquiring data such as gas concentration by the adjusting and calibrating unit 17, by comparing with the gas data set in the sealed box, if the numerical value of a specific gas detector 15 has deviation, the deviated gas detector 15 transmits the ID address thereof to the adjusting and calibrating unit 17 through the bus for identification, the identified gas detector 15 is recalibrated by using the gas type calibrating module 171 and the gas concentration calibrating module 172 after identification until the calibration is accurate, a plurality of devices can be simultaneously adjusted at one time, the adjustment efficiency is improved, the data obtained by the adjusting and calibrating unit 17 is simultaneously fed back to the feedback unit 18, the gas concentration in the sealed box is adjusted by the concentration adjusting module 182 in the feedback unit 18, the feedback unit 18 can adjust the gas concentration in the sealed box to be a fixed value smaller than high concentration, the gas detector 15 can be tested for a plurality of times with different concentrations, and the ID address of each gas detector 15 is displayed as a qualified result, and (6) completing the test.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. An automatic calibration system of gas, its characterized in that: the device comprises a detection unit (16), an adjustment calibration unit (17) and a feedback unit (18), wherein the output end of the detection unit (16) is electrically connected with the adjustment calibration unit (17) through a main line, the output end of the adjustment calibration unit (17) is electrically connected with the feedback unit (18) through the main line, and the feedback unit (18) is used for reading detection data of the detection unit (16);

the gas component concentration detection device comprises a detection unit (16), wherein the detection unit (16) is composed of a plurality of gas detectors (15), each gas detector (15) is connected in parallel through a main line, the plurality of gas detectors (15) are installed inside a sealed cabinet and used for detecting the concentration of input gas components, each gas detector (15) is provided with an independent code ID, the independent ID of each gas detector (15) is transmitted to an adjustment and calibration unit (17) through the main line, the adjustment and calibration unit (17) judges, and each gas detector (15) can be separately adjusted and calibrated through the ID information of the gas detector;

the gas detection device comprises an adjustment calibration unit (17), wherein the adjustment calibration unit (17) comprises a gas type calibration module (171), a gas concentration calibration module (172), a device ID identification module (173) and a data information input module (174), the gas type calibration module (171) is used for calibrating adjustment of gas detectors (15) on gas type detection inside a sealed cabinet, the gas concentration calibration module (172) is used for calibrating adjustment of the gas detectors (15) on gas concentration data detection inside the sealed cabinet, the device ID identification module (173) is used for identifying ID information of each gas detector (15), and the data information input module (174) is used for filling in types of input calibration gas and concentration values of the calibration gas;

the gas concentration adjusting device comprises a feedback unit (18), a concentration reading module (181) and a concentration adjusting module (182) are arranged in the feedback unit (18), the feedback unit (18) receives and adjusts the information of the adjusting and calibrating unit (17) to process, the concentration reading module (181) can read the gas concentration according to the information of the adjusting and calibrating unit (17), and the concentration adjusting module (182) is used for adjusting the gas concentration in the sealed cabinet after the concentration reading module (181) reads data.

2. The automatic gas calibration system according to claim 1, wherein: the feedback unit (18) is internally provided with a storage module (183), and the storage module (183) is used for storing gas concentration data.

3. The automatic gas calibration system according to claim 1, wherein: the adjusting and calibrating unit (17) is also internally provided with a WiFi module (175) and a Bluetooth module (176), and the WiFi module (175) and the Bluetooth module (176) are used for connecting intelligent equipment to fill in gas data information needing to be calibrated.

4. The automatic gas calibration system according to claim 1, wherein: the gas detector (15) comprises a bottom shell (8), an inner cavity (12) is arranged inside the bottom shell (8), an expansion plate (7) is installed on the bottom side inside the inner cavity (12), a circuit board base (6) is installed on the outer side of the expansion plate (7) and located inside the inner cavity (12), a circuit board middle shell (5) is installed on the outer side of the circuit board base (6) and located inside the inner cavity (12), a control panel (4) is installed on the outer side of the circuit board middle shell (5) and located inside the inner cavity (12), a display panel (3) is installed on the outer side of the control panel (4) and located inside the inner cavity (12), a circuit board upper cover (2) is installed on the outer side of the display panel (3) and located inside the inner cavity (12), a front cover (1) is fixedly installed on the front side of the bottom shell (8), and a sensor upper shell (9) is installed at the lower end of the bottom shell (8), the sensor is characterized in that a sensor body (10) is fixedly mounted at the lower end of the sensor upper shell (9), a sensor lower shell (11) is fixedly mounted at the lower end of the sensor upper shell (9), the sensor body (10) is covered by the sensor lower shell (11), and an acousto-optic alarm lamp (13) is fixedly mounted on the side wall of the bottom shell (8).

5. An automatic calibration system for gas according to claim 4, characterized in that: the side of protecgulum (1) is the equal angle interlude all around has three screw (19) of group, three screw (20) have been seted up to screw (19) that the front of drain pan (8) corresponds protecgulum (1) side all around, protecgulum (1) is installed in the front of drain pan (8) through screw (19) and screw (20) threaded connection.

6. An automatic calibration system for gas according to claim 4, characterized in that: and a nameplate (14) is arranged at the upper end of the bottom shell (8).

7. An automatic calibration system for gas according to claim 4, characterized in that: the two sides of the back surface and the upper end of the bottom shell (8) are integrally connected with mounting lugs (21), and mounting holes (22) are formed in the mounting lugs (21).