阅读说明：本技术 一种长距离分体式气体检测仪及其使用方法 (Long-distance split type gas detector and use method thereof ) 是由 周围 史维国 李连华 周广贺 钮永飞 赖纪发 于 2020-11-06 设计创作，主要内容包括：本发明公开了一种长距离分体式气体检测仪及其使用方法,包括主机显示端、安装座和传感器端,主机显示端和传感器端之间连接有数据线,所述主机显示端固定连接在安装座上,主机显示端包括显示器、声光报警器和三通连接头,三通连接头与显示器固定连接且联通,三通连接头包括电缆连接头、数据连接头和报警连接头,数据线一端穿过数据连接头与显示器相连接,声光报警器固定连接在报警连接头上,电缆穿过电缆连接头与显示器相连接,本发明的优点在于解决了常规分体式气体检测仪传感器端和主机显示端之间线缆过短的问题,操作人员在安全的环境下操作主机显示端就可以完成检测,保证了操作人员的安全性,气体检测过程更加便利、简洁。(The invention discloses a long-distance split gas detector and a using method thereof, the long-distance split gas detector comprises a host display end, a mounting seat and a sensor end, a data line is connected between the host display end and the sensor end, the host display end is fixedly connected on the mounting seat and comprises a display, an audible and visual alarm and a three-way connector, the three-way connector is fixedly connected and communicated with the display, the three-way connector comprises a cable connector, a data connector and an alarm connector, one end of the data line passes through the data connector to be connected with the display, the audible and visual alarm is fixedly connected on the alarm connector, and a cable passes through the cable connector to be connected with the display. The safety of operators is guaranteed, and the gas detection process is more convenient and simpler.)

1. The utility model provides a split type gas detection appearance of long distance, includes host computer display end, mount pad and sensor end, its characterized in that: be connected with the data line between host computer display end and the sensor end, the sensor still is connected with the sensor power cord, host computer display end fixed connection is on the mount pad, host computer display end includes display, audible-visual annunciator and three-way connection head, three-way connection head and display fixed connection and UNICOM, three-way connection head includes cable connector, data connector and alarm connection head, data line one end is passed the data connector and is connected with the display, audible-visual annunciator fixed connection is on alarm connection head, and the cable passes the cable connector and is connected with the display, the sensor end includes catalytic combustion formula sensor.

2. The long-distance split gas detector of claim 1, wherein: the sensor power line is characterized by further comprising two groups of stainless steel pipelines, wherein each stainless steel pipeline comprises a plurality of connecting steel pipes, and the stainless steel pipelines are respectively sleeved outside the data line and the sensor power line.

3. The long-distance split gas detector of claim 2, wherein: the stainless steel hose is detachably connected between the data connector and the connecting steel pipe, and the stainless steel hose is sleeved outside the data line.

4. The long-distance split gas detector of claim 2, wherein: the upper end of connecting the steel pipe is provided with connecting portion, the external diameter of connecting portion and the internal diameter phase-match of connecting steel pipe, the connecting portion periphery wall is provided with a plurality of fixture blocks, be provided with on the inner wall of connecting steel pipe lower extreme a plurality of and fixture block assorted draw-in grooves, the concatenation and the extension of connecting the steel pipe are realized through fixture block on the connecting portion and the draw-in groove of connecting the steel pipe lower extreme to the connecting steel pipe.

5. The long-distance split gas detector according to claim 4, wherein: the connecting steel pipe is fixedly connected to the wall body through a fixing piece.

6. The long-distance split gas detector of claim 1, wherein: the mounting seat comprises a fixing seat and a half hoop, wherein a fixing groove matched with the three-way connector is formed in the fixing seat, and the three-way connector is placed in the fixing groove and fixed through the half hoop.

7. The use method of the long-distance split gas detector as claimed in claims 1 to 6, wherein the use method comprises the following steps: the method comprises the following steps:

(1) a safe and convenient place is found, the mounting seat is fixed on the wall body through an expansion bolt, the display end of the host is fixedly connected to the mounting seat, and the cable is electrically connected with the display;

(2) finding out the position of the sensor end to be placed, and measuring the distance between the position and the host display end;

(3) according to the distance, a plurality of connecting steel pipes are spliced together and fixed on a wall body through a connecting piece, and finally two stainless steel pipelines spliced by the connecting steel pipes are installed, wherein one stainless steel pipeline is close to an opening of a display and is connected with one end of the stainless steel hose through the stainless steel hose;

(4) placing the sensor end at a position to be detected, respectively penetrating a power line and a data line connected with the sensor end through a stainless steel pipeline, and penetrating one end of the data line through a three-way connector to be connected with a display;

(5) and electrifying the host display end and the sensor end, calibrating and calibrating the sensor end through the host display end, and performing formal gas detection after calibration is completed.

Technical Field

The invention relates to the field of gas detection, in particular to a long-distance split type gas detector and a using method thereof.

Background

The gas detector is an instrument tool for detecting gas leakage concentration, and is mainly used for detecting the types and concentrations of gases in the environment.

The Chinese utility model with the publication number of CN205384241U discloses an intelligent portable gas detector, which consists of a first component and a second component; the first assembly comprises a coat shell, and a liquid crystal display, an information processing module, a power supply, a loudspeaker, a strobe light and an information transmitting module which are arranged in the first shell; the second assembly comprises a second shell, a holding part arranged on the second shell, a gas collecting pipe and a gas sensor arranged in the gas collecting pipe. The utility model provides a portable gas detection appearance of intelligence's beneficial effect lies in: 1. the product has reasonable design structure, beautiful and elegant appearance, high gas detection efficiency, accurate detection and long service life; 2. when the portable multifunctional pen is used, the first shell and the second shell of the split structure are convenient to operate, small in size and convenient to move and carry; 3. the information transmitting module and the remote monitoring terminal realize real-time sharing of data and perform processing such as storage, analysis and the like.

However, since the length of the cable between the first assembly and the second assembly is usually about 1 meter, once the testing environment is dangerous, the operator must be in the dangerous environment to perform the gas detection, and the personal safety of the operator cannot be guaranteed, a new solution is needed to solve the above problems.

Disclosure of Invention

The invention aims to provide a long-distance split type gas detector and a using method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a split type gas detection appearance of long distance, includes host computer display end, mount pad and sensor end, be connected with the data line between host computer display end and the sensor end, the sensor still is connected with the sensor power cord, host computer display end fixed connection is on the mount pad, host computer display end includes display, audible-visual annunciator and three-way connection head, three-way connection head and display fixed connection and UNICOM, three-way connection head includes cable connector, data connector and alarm connector, data line one end is passed the data connector and is connected with the display, audible-visual annunciator fixed connection is on alarm connector, and the cable passes the cable connector and is connected with the display, the sensor end includes catalytic combustion formula sensor.

As a preferred technical scheme of the invention, the sensor further comprises two groups of stainless steel pipelines, wherein each stainless steel pipeline comprises a plurality of connecting steel pipes, and the stainless steel pipelines are respectively sleeved outside the data line and the sensor power line.

As a preferred technical scheme of the invention, a stainless steel hose is detachably connected between the data connector and the connecting steel pipe, and the stainless steel hose is sleeved outside the data line.

According to a preferred technical scheme, the upper end of the connecting steel pipe is provided with a connecting part, the outer diameter of the connecting part is matched with the inner diameter of the connecting steel pipe, the outer peripheral wall of the connecting part is provided with a plurality of clamping blocks, the inner wall of the lower end of the connecting steel pipe is provided with a plurality of clamping grooves matched with the clamping blocks, and the connecting steel pipe is spliced and lengthened through the clamping blocks on the connecting part and the clamping grooves in the lower end of the connecting steel pipe.

As a preferable technical scheme of the invention, the connecting steel pipe is fixedly connected to the wall body through a fixing piece.

As a preferred technical scheme of the invention, the mounting seat comprises a fixing seat and a half hoop, a fixing groove matched with the three-way connector is formed in the fixing seat, and the three-way connector is placed in the fixing groove and fixed through the half hoop.

A use method of a long-distance split type gas detector comprises the following steps:

(1) look for safe convenient place, the mount pad passes through expansion bolts to be fixed on the wall body, and host computer display end fixed connection is on the mount pad to with cable and display electric connection.

(2) And finding out the position where the sensor end needs to be placed, and measuring the distance between the position and the host display end.

(3) According to the distance, a plurality of connecting steel pipes are spliced together and fixed on a wall body through connecting pieces, and finally two stainless steel pipelines spliced by the connecting steel pipes are installed, wherein one stainless steel pipeline is close to an opening of the display and is connected with one end of the stainless steel hose through the stainless steel hose.

(4) The sensor end is placed at a position to be detected, a sensor power line and a data line which are connected with the sensor end respectively penetrate through the stainless steel pipeline, and one end of the data line penetrates through the three-way connector to be connected with the display.

(5) And electrifying the host display end and the sensor end, calibrating and calibrating the sensor end through the host display end, and performing formal gas detection after calibration is completed.

Compared with the prior art, the invention has the beneficial effects that: the problem of cable short excessively between split type gas detector sensor end of conventionality and the host computer display end is solved, increased the distance between sensor end and the host computer display end, operating personnel can operate the host computer display end under the environment of safety and just can accomplish the detection, guaranteed operating personnel's security, make the gas detection process more convenient, succinct.

Drawings

FIG. 1 is a schematic view of a connection structure between a display terminal and a mounting base of a host according to the present invention;

FIG. 2 is a schematic structural view of a connecting steel pipe according to the present invention;

fig. 3 is a schematic diagram of a sensor terminal according to the present invention.

In the figure: 1. a display; 2. a fixed seat; 3. a sensor end; 4. a data line; 5. a sensor power line; 6. half hoops; 7. an audible and visual alarm; 8. a cable connector; 9. a data connector; 10. an alarm connector; 11. connecting the steel pipes; 12. a stainless steel hose; 13. a connecting portion; 14. a clamping block; 15. a card slot; 16. and a fixing member.

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.

Referring to fig. 1-3, the invention provides a long-distance split gas detector, comprising a host display end, a mounting seat and a sensor end, wherein a data line is fixedly connected between the host display end and the sensor end, the sensor is also fixedly connected with a sensor power line, the host display end is fixedly connected to the mounting seat, the host display end comprises a display, an audible and visual alarm and a three-way connector, the three-way connector is fixedly connected and communicated with the display, the three-way connector comprises a cable connector, a data connector and an alarm connector, one end of the data line is connected with the display through the data connector, the audible and visual alarm is integrally connected to the alarm connector, the cable is connected with the display through the cable connector, the sensor end comprises a catalytic combustion sensor, and the problem that the cable between the sensor end and the host display end of the conventional split gas detector is too short is, through installing the mount pad at the height about 1.3 meters apart from ground, and fix host computer display end on the mount pad, played the effect of making things convenient for operating personnel to locate the operation display at ground safety, then place the sensor end catalytic combustion formula sensor promptly in the place that needs detected, and with catalytic combustion formula sensor and display electric connection of data line, thereby reach the gaseous function of remote detection, operating personnel's safety has been protected, audible-visual annunciator and display electric connection, in case dangerous condition appears, audible-visual annunciator will be started to the display, send alarm ringtone and warning light, reach the effect of noticing personnel on every side.

The sensor power line protection device comprises a data line, a sensor power line and a plurality of stainless steel pipelines, wherein the sensor power line is connected with the data line, the sensor power line is connected with the sensor power line, the stainless steel pipelines are sleeved outside the data line and the sensor power line respectively, and the stainless steel pipelines are sleeved outside the data line and the sensor power line, so that the data line and the sensor power line are protected, and the service life of the data line and the service life of the sensor power line are prolonged.

The stainless steel hose is detachably connected between the data connector and the connecting steel pipe, the stainless steel hose is sleeved outside the data line, the data connector and the connecting steel pipe are connected by the flexibility of the stainless steel hose, and the data line and the connecting data connector and the connecting steel pipe are protected.

The upper end of connecting steel pipe is integral type connection with connecting portion respectively, the external diameter of connecting portion and connecting steel pipe internal diameter phase-match, connecting portion periphery wall integral type is connected with a plurality of fixture blocks, the integral type is provided with a plurality of and fixture block assorted draw-in grooves on the inner wall of connecting steel pipe lower extreme, the connecting steel pipe passes through the fixture block joint on the connecting portion in the draw-in groove of connecting steel pipe lower extreme, realize the concatenation and the extension of connecting steel pipe, put together through a plurality of connecting steel pipes, thereby reach the length of the required stainless steel pipeline in actual installation place, after the completion of reusing, the connecting steel pipe can also be dismantled, and reuse, energy.

The connecting steel pipe is fixedly connected to the wall body through the fixing piece, the fixing piece is a hoop matched with the connecting steel pipe, the hoop is divided into two circular arc hoop pieces, one circular arc hoop piece is nailed to the wall body through an expansion screw, the connecting steel pipe is abutted to the circular arc hoop piece nailed to the wall, the circular arc hoop pieces are connected with the steel pipe to clamp the steel pipe, and then the two circular arc hoop pieces are fixedly connected through bolts, so that the effect of fixedly connecting the steel pipe is achieved.

Be provided with on the fixing base with tee junction head assorted fixed slot, the tee junction head is placed in the fixed slot and is realized fixedly through half hoop, places the periphery wall of the data connector of tee junction head lower extreme in the fixed slot, then with half hoop cooperation fixed slot clamp tightly the periphery wall of data connector, half hoop passes through the bolt with the fixed slot both ends and realizes fixed connection.

In specific implementation, after optimizing the scheme of each component, the following detected technical parameters are obtained: the technical parameters are as follows: split gas detector (only the parameters of host display and sensor): measurement range: 0-100% LEL, precision: 2% F.S, repeatability: 1% LEL, long term stability: < ± 2%, LEL response time: t90<15S, life: for >3 years, the sensor is antitoxic: H2S poisoning resistance, explosion protection rating: exdIICT6Gb Ex tD A21 IP 66T 85 ℃, power supply: 24V DC, voltage range: 18-30V Dc; the power consumption is less than 1.5W, and the output is as follows: three-wire system + relay output + on-the-spot integration audible-visual annunciator or 485 output, HART agreement: the hart protocol requirement is met, and the shell is made of materials: cast aluminum + stainless steel, electrical interface: 3/4"NPT (F), G1/2" internal thread, protection rating: IP66, operating temperature: -40 ℃ to 80 ℃, ambient humidity: <95% RH, profile: 180x190x100mm, weight: about 2 kg.

A use method of a long-distance split type gas detector comprises the following steps:

(1) look for safe convenient place, the mount pad passes through expansion bolts to be fixed on the wall body, and host computer display end fixed connection is on the mount pad to with cable and display electric connection.

(2) And finding out the position where the sensor end needs to be placed, and measuring the distance between the position and the host display end.

(3) According to the distance, a plurality of connecting steel pipes are spliced together and fixed on a wall body through connecting pieces, and finally two stainless steel pipelines spliced by the connecting steel pipes are installed, wherein one stainless steel pipeline is close to an opening of the display and is connected with one end of the stainless steel hose through the stainless steel hose.

(4) The sensor end is placed at a position to be detected, a sensor power line and a data line which are connected with the sensor end respectively penetrate through the stainless steel pipeline, and one end of the data line penetrates through the three-way connector to be connected with the display.

(5) And electrifying the host display end and the sensor end, calibrating and calibrating the sensor end through the host display end, and performing formal gas detection after calibration is completed.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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.