阅读说明：本技术 一种可燃有毒气体探测器 (Combustible toxic gas detector ) 是由 郝路阳 于 2020-12-28 设计创作，主要内容包括：本发明属于气体检测技术领域,具体为一种可燃有毒气体探测器,包括外壳体,所述外壳体的右上侧壁设置有报警安装管,所述外壳体的左上侧壁设置有接线连接管,所述外壳体的底端设置有传感器安装管,所述报警安装管的右端设置有报警器组件,所述外壳体的前壁上设置有显示屏组件,所述外壳体的内腔设置有控制PCBA板。通过显示屏组件的设置,方便从外部查看探测器的采集数据情况和工作情况；通过外壳体与报警安装管、接线连接管、传感器安装管的组合方式,方便安装和拆卸作用,且接线连接管对接线起到保护的效果；通过两个CPU处理器的协同处理作用,运算速度较快。(The invention belongs to the technical field of gas detection, and particularly relates to a combustible toxic gas detector which comprises an outer shell, wherein an alarm installation pipe is arranged on the upper right side wall of the outer shell, a wiring connection pipe is arranged on the upper left side wall of the outer shell, a sensor installation pipe is arranged at the bottom end of the outer shell, an alarm component is arranged at the right end of the alarm installation pipe, a display screen component is arranged on the front wall of the outer shell, and a control PCBA board is arranged in an inner cavity of the outer shell. Through the arrangement of the display screen assembly, the data acquisition condition and the working condition of the detector can be conveniently checked from the outside; the shell is combined with the alarm installation tube, the wiring connection tube and the sensor installation tube, so that the installation and disassembly are convenient, and the wiring connection tube has a protection effect on the wiring; and the operation speed is high through the cooperative processing action of the two CPU processors.)

1. A combustible toxic gas detector, comprising an outer casing (1), characterized in that: the alarm device is characterized in that an alarm installation pipe (2) is arranged on the upper right side wall of the outer shell (1), a wiring connection pipe (3) is arranged on the upper left side wall of the outer shell (1), a sensor installation pipe (5) is arranged at the bottom end of the outer shell (1), an alarm component (4) is arranged at the right end of the alarm installation pipe (2), a display screen component (6) is arranged on the front wall of the outer shell (1), a control PCBA plate (7) is arranged in the inner cavity of the outer shell (1), a gas sensor component is arranged inside the sensor installation pipe (5), a detection probe of the gas sensor component extends to the lower side of the sensor installation pipe (5), the alarm component (4) comprises a longitudinal cylinder body (42), a transverse cylinder body (41) is connected to the left side wall of the longitudinal cylinder body (42), and the longitudinal cylinder body (42) is communicated with, the inner chamber of vertical barrel (42) is provided with LED dirver circuit board (44), the upside of LED dirver circuit board (44) is provided with LED alarm lamp (45), LED dirver circuit board (44) and control PCBA board (7) electric connection, the data line of control PCBA board (7) passes wiring connecting pipe (3) and extends to the outside, set up two CPU treater on control PCBA board (7), the output of gas sensor subassembly is connected with the input of CPU treater, the output and LED dirver circuit board (44), display screen subassembly (6) electric connection of CPU treater.

2. A flammable and toxic gas detector as claimed in claim 1, wherein: the bottom end of the longitudinal cylinder (42) is in threaded connection with a lower maintenance end cover (43).

3. A flammable and toxic gas detector as claimed in claim 1, wherein: the upper end spiro union of vertical barrel (42) has the protection overhead guard, the protection overhead guard is located the upside of LED alarm lamp (45), and the protection overhead guard is transparent protection overhead guard.

4. A flammable and toxic gas detector as claimed in claim 1, wherein: the outer wall of the outer shell (1) is provided with three connecting support plates (8), and the three connecting support plates (8) are distributed on the outer wall of the outer shell (1) at equal intervals.

5. A flammable and toxic gas detector as claimed in claim 1, wherein: a temperature and humidity compensation algorithm is built in the gas sensor assembly, and detection numerical errors occurring in different environments are compensated.

6. A flammable and toxic gas detector as claimed in claim 1, wherein: the calibration of the combustible toxic gas detector needs to be combined with the long-term data detected by the gas sensor assembly and the recently memorized data for comparative analysis, the long-term data and the recently memorized data take 10 days as a boundary, the data exceeding 10 days after the detection of the gas sensor assembly are long-term data, and the data within 10 days after the detection of the gas sensor assembly are recently memorized data; the zero point of the meter is self-calibrated by determining whether the value changes due to gas leakage or due to aging of the sensor itself.

7. A flammable and toxic gas detector as claimed in claim 1, wherein: the outer wall of shell body (1) adopts the spraying plastics technology, the test probe of gas sensor subassembly passes through CNC processing, and electroplates corrosion resistant layer on the test probe surface.

Technical Field

The invention relates to the technical field of gas detection, in particular to a combustible toxic gas detector.

Background

The toxic gas detector is used for detecting toxic gas (ppm) in the surrounding atmosphere. So that the gases such as carbon monoxide, hydrogen sulfide and hydrogen can be detected. Combustible toxic gas detector: generally, the gas detector heard by us includes two types of combustible gas detector and toxic gas detector, and then does there not exist a combustible toxic gas detector? The detection gas types and the working principles of a combustible gas detector and a toxic gas detector are firstly seen: toxic gas detector: toxic gas detector-is used to detect toxic gases (ppm) in the surrounding atmosphere. So that the gases such as carbon monoxide, hydrogen sulfide and hydrogen can be detected. The gas detector is composed of a transmitter with a gas sensor, can detect gas, and is a flame-proof and intrinsic safety composite type explosion-proof product.

The existing toxic gas detector is not convenient enough to install, and has poor display and alarm effects.

Disclosure of Invention

The invention aims to provide a combustible toxic gas detector to solve the problems that the conventional toxic gas detector in the background art is inconvenient to install and poor in display and alarm effects.

In order to achieve the purpose, the invention provides the following technical scheme: a combustible toxic gas detector comprises an outer shell, wherein an alarm installation pipe is arranged on the upper right side wall of the outer shell, a wiring connecting pipe is arranged on the upper left side wall of the outer shell, a sensor installation pipe is arranged at the bottom end of the outer shell, an alarm component is arranged at the right end of the alarm installation pipe, a display screen component is arranged on the front wall of the outer shell, a control PCBA board is arranged in the inner cavity of the outer shell, a gas sensor component is arranged inside the sensor installation pipe, a detection probe of the gas sensor component extends to the lower side of the sensor installation pipe, the alarm component comprises a longitudinal barrel, a transverse barrel is connected to the left side wall of the longitudinal barrel, the longitudinal barrel is communicated with the transverse barrel, an LED driving circuit board is arranged in the inner cavity of the longitudinal barrel, and an LED alarm lamp is arranged, LED dirver circuit board and control PCBA board electric connection, the data line of control PCBA board passes the wiring connecting pipe and extends to the outside, set up two CPU treater on the control PCBA board, the output of gas sensor subassembly is connected with the input of CPU treater, the output and the LED dirver circuit board of CPU treater, display screen subassembly electric connection.

Preferably, the bottom end of the longitudinal cylinder is in threaded connection with a lower overhaul end cover.

Preferably, the upper end spiro union of vertical barrel has the protection overhead guard, the protection overhead guard is located the upside of LED alarm lamp, and the protection overhead guard is transparent protection overhead guard.

Preferably, the outer wall of the outer shell is provided with three connecting support plates, and the three connecting support plates are equidistantly distributed on the outer wall of the outer shell.

Preferably, a temperature and humidity compensation algorithm is built in the gas sensor assembly, and compensation is performed on detection numerical errors occurring in different environments.

Preferably, the calibration of the flammable and toxic gas detector needs to be performed by combining long-term data detected by the gas sensor assembly with recently memorized data for comparative analysis, the long-term data and the recently memorized data take 10 days as a boundary, the data exceeding 10 days after the detection of the gas sensor assembly are long-term data, and the data within 10 days after the detection of the gas sensor assembly are recently memorized data; the zero point of the meter is self-calibrated by determining whether the value changes due to gas leakage or due to aging of the sensor itself.

Preferably, the outer wall of shell body adopts the spraying plastics technology, the test probe of gas sensor subassembly passes through CNC processing, and electroplates corrosion-resistant layer on the test probe surface.

Compared with the prior art, the invention has the beneficial effects that:

1) through the arrangement of the display screen assembly, the data acquisition condition and the working condition of the detector can be conveniently checked from the outside;

2) the shell is combined with the alarm installation tube, the wiring connection tube and the sensor installation tube, so that the installation and disassembly are convenient, and the wiring connection tube has a protection effect on the wiring;

3) and the operation speed is high through the cooperative processing action of the two CPU processors.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the outer case of the present invention;

fig. 3 is a schematic cross-sectional view of an alarm assembly of the present invention.

In the figure: the sensor comprises a shell body 1, an alarm mounting pipe 2, a wiring connecting pipe 3, an alarm component 4, a transverse cylinder 41, a longitudinal cylinder 42, a lower overhaul end cover 43, an LED driving circuit board 44, an LED alarm lamp 45, a sensor mounting pipe 5, a display screen component 6, a control PCBA board 7 and a connection support board 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a combustible toxic gas detector, includes shell body 1, the upper right side wall of shell body 1 is provided with warning installation pipe 2, the upper left side wall of shell body 1 is provided with wiring connecting pipe 3, the bottom of shell body 1 is provided with sensor installation pipe 5, the right-hand member of warning installation pipe 2 is provided with alarm subassembly 4, be provided with display screen subassembly 6 on the antetheca of shell body 1, adopt the full angle of vision color liquid crystal display of industrial grade high definition IPS, but super wide temperature range work (-40 ℃ -70 ℃). The display is clear and fine and visible in a long distance. The inner chamber of shell body 1 is provided with control PCBA board 7, the inside of sensor installation pipe 5 is provided with the gas sensor subassembly, and the gas sensor subassembly all carries out strict electrical property test, selects the batch that performance parameter is close, carries out 48 hours aging testing screening again. And (3) carrying out strict 24-hour aging test before and after the calibration of the combustible toxic gas detector, and using standard gas calibration test for all instruments. The instrument is subjected to long-term stability test, and the error condition existing in detection is compensated aiming at the zero drift of the sensor. A zero memory learning algorithm is built in the detector, and the zero drift problem of the sensor caused by use aging is processed. For example, after the combustible sensor is used for half a year, the zero point drifts upwards to display 6% LEL, but combustible gas with 6% LEL does not exist in the environment, and the detector can be used for comparing and analyzing the detected long-term data with recently memorized data to judge whether the value is changed due to gas leakage or the value is changed due to the aging of the sensor, so that the zero point of the instrument is self-calibrated. The utility model discloses a gas sensor subassembly, including sensor installation pipe 5, alarm subassembly 4, vertical barrel 42's left side wall is connected with horizontal barrel 41, vertical barrel 42 and horizontal barrel 41 intercommunication, the inner chamber of vertical barrel 42 is provided with LED dirver circuit board 44, the upside of LED dirver circuit board 44 is provided with LED alarm lamp 45, LED dirver circuit board 44 and control PCBA board 7 electric connection, the data line of control PCBA board 7 passes wiring connecting pipe 3 and extends to the outside, set up two CPU treater on the control PCBA board 7, the output of gas sensor subassembly is connected with the input of CPU treater, the output and the LED dirver circuit board 44 of CPU treater, display screen subassembly 6 electric connection.

The special silica gel button remote controller is joined in marriage to the detector mark, sets up wireless transmission module on the control PCBA board 7, establishes with silica gel button remote controller through wireless transmission module and is connected, and wireless transmission module and CPU treater communication connection, antiskid are durable, longe-lived, and the button is sensitive, convenient to use, easy operation.

Further, the bottom end of the longitudinal cylinder 42 is screwed with a lower maintenance end cover 43.

Further, the upper end spiro union of vertical barrel 42 has the protection overhead guard, the protection overhead guard is located the upside of LED alarm lamp 45, and the protection overhead guard is transparent protection overhead guard.

Furthermore, the outer wall of the outer shell 1 is provided with three connecting support plates 8, and the three connecting support plates 8 are equidistantly distributed on the outer wall of the outer shell 1.

Furthermore, a temperature and humidity compensation algorithm is built in the gas sensor assembly, and detection numerical errors occurring in different environments are compensated.

Furthermore, the calibration of the flammable and toxic gas detector needs to be performed by combining long-term data detected by the gas sensor assembly with recently memorized data for comparative analysis, the long-term data and the recently memorized data take 10 days as a boundary, the data exceeding 10 days after the detection of the gas sensor assembly is long-term data, and the data within 10 days after the detection of the gas sensor assembly is recently memorized data; the zero point of the meter is self-calibrated by determining whether the value changes due to gas leakage or due to aging of the sensor itself.

Further, the outer wall of shell body 1 adopts the spraying plastics technology, the test probe of gas sensor subassembly passes through CNC processing, and electroplates corrosion resistant layer on the test probe surface.

The standard installation mode of the detector comprises a wall-mounted mode, a horizontal pipe-holding mode, a vertical pipe-holding mode, a pipeline mode and a ceiling type. Meanwhile, a customized installation mode can be designed according to the situation of the site.

The detector wiring space is big, does not have components and parts to block, and the hidden design of components and parts prevents that human static contact from leading to the damage of device to become invalid when the wiring. Binding post 7.62mm interval, the operation of being convenient for, the wiring is difficult for droing. The main shell and the detecting probe of the detector are strictly designed according to explosion-proof requirements. The main shell of the detector adopts a standard plastic spraying process, is not easy to damage, scrape and resist corrosion, and the detection probe is processed by CNC (computerized numerical control) and is thickened and electroplated on the surface, thus being anti-oxidation, highly wear-resistant and corrosion-resistant. The shell protection grade of the detector is IP66, the detector is suitable for high-humidity and high-dust environments, the service life is longer, and the maintenance cost is reduced. The PCBA circuit board of inside carries out three proofings lacquer and handles, and is dampproofing, dustproof, prevents static, further ensures the comprehensive barrier propterty of electrical property and instrument. The detector adopts a double-CPU design, and a high-performance ARM processor is adopted to acquire and process sensor data in real time. The circuit design can resist strong electromagnetic interference, and the interference frequency coverage is wide (80 MHz-1 GHZ). Through the addition of strong CPU hardware support and software algorithm, some burrs and sudden changes output by the sensor are filtered, and the condition that the instrument does not give false alarm is ensured.

While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.