CN215261942U

CN215261942U - Gas detection alarm device for chemometry

Info

Publication number: CN215261942U
Application number: CN202120468373.7U
Authority: CN
Inventors: 陈思成
Original assignee: Chengdu Hengjian Testing Co ltd
Current assignee: Chengdu Hengjian Testing Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-12-21
Anticipated expiration: 2031-03-04

Abstract

The utility model discloses a gas detection alarm device for stoichiometry, support base mechanism including gaseous detection, the inside fixed mounting of gaseous detection support base mechanism has measurement gas holder mechanism, measurement gas holder mechanism top outer wall fixed mounting has gas sensor, the middle part fixed mounting of measurement gas holder mechanism top outer wall has protection casing mechanism, gas sensor is located inside the protection casing mechanism, blast pipe middle part outer wall fixed mounting has discharge valve, the blast pipe runs through inside gaseous detection support base mechanism, measurement gas holder mechanism and extends to gaseous detection support base mechanism. A gas detection alarm device for stoichiometry, through the pressure sensor who sets up, detect when the internal pressure of gas holder, prevent that the inner wall pressure value is too big, cause equipment damage and gas leakage to reduce the potential safety hazard, bring better use prospect.

Description

Gas detection alarm device for chemometry

Technical Field

The utility model relates to an alarm device field specifically is a gas detection alarm device for stoichiometry.

Background

The alarm device is an information display device indicating a malfunction, an accident or a dangerous situation, and may be classified into a visual alarm, an audible alarm, a tactile alarm, an olfactory alarm, etc. according to the characteristics of a code used and the properties of a sense channel receiving information.

The existing gas detection alarm device for chemometry cannot detect the gas quantity in real time when being installed and used, is low in safety performance, does not have a leakage-proof and internal pressure detection mechanism, brings certain adverse effects to the use process of people, and therefore the gas detection alarm device for chemometry is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a gas detection alarm device for stoichiometry possesses the real-time detection quantity of gas, possesses and prevents leaking warning and pressure overload warning, and the problem among the background can effectively be solved to advantages such as security when improving the use.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a gas detection alarm device for chemometry, includes that gas detection supports base mechanism, blast pipe and intake pipe, the inside fixed mounting of gas detection support base mechanism has measurement gas holder mechanism, measurement gas holder mechanism top outer wall fixed mounting has gas sensor, the middle part fixed mounting of measurement gas holder mechanism top outer wall has protection casing mechanism, gas sensor is located inside protection casing mechanism, blast pipe middle part outer wall fixed mounting has discharge valve, the blast pipe runs through gas detection support base mechanism, measurement gas holder mechanism and extends to inside gas detection support base mechanism, blast pipe middle part outer wall and gas detection support base mechanism, measurement gas holder mechanism fixed connection, intake pipe middle part outer wall fixed mounting has the admission valve, the intake pipe runs through gas detection support base mechanism, the gas detection support base mechanism, And the outer wall of the middle part of the air inlet pipe is fixedly connected with the gas detection supporting base mechanism and the metering gas storage tank body mechanism.

Preferably, the gas detection supporting base mechanism comprises a supporting shell, a fixed block, a controller, a buzzer and a pipeline via hole, and the metering gas storage tank mechanism comprises a gas storage tank body, a sealing movable block, a limiting movable rod, a pressure sensor, a gravity block and a pointer.

Preferably, the left side fixed mounting who supports the positive outer wall of casing has bee calling organ, the right fixed mounting who supports the positive outer wall of casing has the controller, inner wall fixed mounting has four groups of fixed blocks around supporting the casing.

Preferably, the inner wall of the middle part of the gas storage tank body is provided with a sealing movable block, the middle part of the outer wall of the bottom of the sealing movable block is fixedly provided with a pressure sensor, the middle part of the outer wall of the top of the sealing movable block is fixedly provided with a limiting movable rod, the outer wall of the top of the limiting movable rod is fixedly provided with a gravity block, the outer wall of the front side of the gravity block is fixedly provided with a pointer and four groups, and the gas storage tank body is fixedly arranged between the fixed blocks.

Preferably, the protection casing mechanism includes protection casing, viewing aperture, toughened glass and scale, the viewing aperture has been seted up to the positive outer wall of protection casing, fixed mounting has toughened glass on the viewing aperture, the left and right sides fixed mounting of toughened glass rear side outer wall has two sets of scales.

(III) advantageous effects

Compared with the prior art, the utility model provides a gas detection alarm device for stoichiometry possesses following beneficial effect:

1. this gas detection alarm device for chemometry, through measurement gas holder mechanism and the protection casing mechanism that sets up, open the admission valve, make the measuring gas get into the gas holder body through the intake pipe in, the sealed movable block rebound in the measuring gas promotion gas holder body, the sealed movable block drives the gravity piece rebound at spacing movable rod promotion spacing movable rod top, the pointer that is located on the gravity piece also rebound, the pointer shifts up the instruction along the scale, thereby measure the inside measuring gas of the gas holder body, when the pointer removes to the upper limit, close the admission valve, prevent that the inside atmospheric pressure of the gas holder body from causing the gas holder body to break and cause gaseous leakage, improve equipment's security, can real-time detection gas holder body inner wall gas content.

2. This gas detection alarm device for stoichiometry, pressure sensor through setting up, because the inside fixed mounting of controller has the singlechip, power and singlechip electric connection, the power passes through the singlechip and supplies power to whole equipment, singlechip and pressure sensor electric connection, singlechip and bee calling organ electric connection, the singlechip can carry out the settlement of pressure threshold value, when carrying out the operation of admitting air, reach the settlement threshold value when the internal pressure of gas holder, bee calling organ sends the abnormal sound, remind operating personnel to close the admission valve immediately, prevent that the internal pressure value of gas holder is too big, cause the gas leakage that the gas holder body broke and caused, the effectual equipment trouble or operating personnel of having prevented forget and close the potential safety hazard that the admission valve caused.

3. This gas detection alarm device for stoichiometry, gas sensor through setting up, when carrying out gas measurement and storing, if sealed movable block is damaged, the gas tightness reduces, the gaseous of the internal portion of gas holder flows out from between spacing movable rod and the gas holder body, it detects by the gas sensor who is located the gas holder body top, because gas sensor and singlechip electric connection, gas sensor will detect signal transmission to the singlechip on, singlechip and bee calling organ electric connection, bee calling organ sends the abnormal sound, the suggestion user closes the admission valve, prevent gaseous further leakage, the security of using is improved.

Drawings

Fig. 1 is the overall structure schematic diagram of the gas detection alarm device for stoichiometry.

Fig. 2 is the utility model discloses a gaseous detection of gaseous detection alarm device for stoichiometry supports overall structure schematic diagram of base mechanism.

Fig. 3 is the internal structure diagram of the metering gas storage tank mechanism of the gas detection alarm device for stoichiometry.

Fig. 4 is the overall structure diagram of the protective cover mechanism of the gas detection alarm device for stoichiometry.

In the figure: 1. a gas detection support base mechanism; 101. a support housing; 102. a fixed block; 103. a controller; 104. a buzzer; 105. a pipeline passing hole; 2. a metering gas storage tank body mechanism; 201. a gas storage tank body; 202. sealing the movable block; 203. a limiting movable rod; 204. a pressure sensor; 205. a gravity block; 206. a pointer; 3. a gas sensor; 4. a protective cover mechanism; 401. a protective cover; 402. a viewing port; 403. tempering the glass; 404. a graduated scale; 5. an exhaust pipe; 6. an exhaust valve; 7. an intake valve; 8. an air inlet pipe.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in FIGS. 1-4, a gas detection alarm device for chemometry comprises a gas detection support base mechanism 1, an exhaust pipe 5 and an intake pipe 8, wherein a metering gas storage tank mechanism 2 is fixedly installed inside the gas detection support base mechanism 1, a gas sensor 3 is fixedly installed on the outer wall of the top of the metering gas storage tank mechanism 2, a protective cover mechanism 4 is fixedly installed in the middle of the outer wall of the top of the metering gas storage tank mechanism 2, the gas sensor 3 is positioned inside the protective cover mechanism 4, an exhaust valve 6 is fixedly installed on the outer wall of the middle of the exhaust pipe 5, the exhaust pipe 5 penetrates through the gas detection support base mechanism 1 and the metering gas storage tank mechanism 2 and extends into the gas detection support base mechanism 1, the outer wall of the middle of the exhaust pipe 5 is fixedly connected with the gas detection support base mechanism 1 and the metering gas storage tank mechanism 2, and an intake valve 7 is fixedly installed on the outer wall of the middle of the intake pipe 8, intake pipe 8 runs through gas detection support base mechanism 1, measurement

gas holder mechanism

2, and 8 middle part outer walls of intake pipe and gas detection support base mechanism 1, measurement gas holder mechanism 2 fixed connection.

Further, the gas detection supporting base mechanism 1 comprises a supporting shell 101, a fixed block 102, a controller 103, a buzzer 104 and a pipeline through hole 105, so that the gas detection supporting base mechanism is convenient for supporting and fixing the metering gas storage tank mechanism 2, and the metering gas storage tank mechanism 2 comprises a gas storage tank body 201, a sealing movable block 202, a limiting movable rod 203, a pressure sensor 204, a gravity block 205 and a pointer 206, so that gas storage and gas metering are convenient.

Further, a buzzer 104 is fixedly mounted on the left side of the outer wall of the front face of the supporting shell 101, a controller 103 is fixedly mounted on the right side of the outer wall of the front face of the supporting shell 101, four groups of fixing blocks 102 are fixedly mounted on the front, rear, left and right inner walls of the supporting shell 101, and the metering gas storage tank mechanism 2 is more stably fixed in the gas detection supporting base mechanism 1 through the fixing blocks 102.

Further, a sealing movable block 202 is arranged on the inner wall of the middle of the gas storage tank body 201, a pressure sensor 204 is fixedly mounted in the middle of the outer wall of the bottom of the sealing movable block 202, a limiting movable rod 203 is fixedly mounted in the middle of the outer wall of the top of the sealing movable block 202, a gravity block 205 is fixedly mounted on the outer wall of the top of the limiting movable rod 203, a pointer 206 is fixedly mounted on the outer wall of the front face of the gravity block 205, the gas storage tank body 201 is fixedly mounted between the four groups of fixed blocks 102, and the pressure value inside the gas storage tank body 201 is detected through the arranged pressure sensor 204.

Further, the protective cover mechanism 4 comprises a protective cover 401, an observation port 402, toughened glass 403 and graduated scales 404, the observation port 402 is arranged on the outer wall of the front side of the protective cover 401, the toughened glass 403 is fixedly mounted on the observation port 402, and two groups of graduated scales 404 are fixedly mounted on the left side and the right side of the outer wall of the rear side of the toughened glass 403, so that the gravity block 205, the pointer 206 and the limiting movable rod 203 are protected conveniently.

Principle of operation

The gas detection device comprises a gas detection support base mechanism 1, a support shell 101, a fixed block 102, a controller 103, a buzzer 104, a pipeline through hole 105, a metering gas storage tank mechanism 2, a gas storage tank body 201, a sealing movable block 202, a limiting movable rod 203, a pressure sensor 204, a gravity block 205, a pointer 206, a gas sensor 3, a protective cover mechanism 4, a protective cover 401, an observation hole 402, toughened glass 403, a graduated scale 404, a gas exhaust pipe 5, a gas exhaust valve 6, a gas inlet valve 7 and a gas inlet pipe 8, wherein firstly, the device is powered on, the gas inlet valve 7 is opened, so that detected gas enters the gas storage tank body 201 through the gas inlet pipe 8, the detected gas pushes the sealing movable block 202 in the gas storage tank body 201 to move upwards, the sealing movable block 202 drives the limiting movable rod 203 to push the gravity block 205 at the top of the limiting movable rod 203 to move upwards, and the pointer 206 on the gravity block 205 also moves upwards, the pointer 206 moves upwards along the graduated scale 404 to indicate so as to measure the gas detected in the gas storage tank body 201, when the pointer moves to the upper limit, the gas inlet valve 7 is closed, the gas storage tank body 201 is prevented from being broken due to overlarge gas pressure in the gas storage tank body 201, the safety of the device is improved, the pressure sensor 204 arranged on the sealing movable block 202 detects the gas pressure in the pressure sensor 204 in real time, because the controller 103 is internally and fixedly provided with the single chip microcomputer, the power supply is electrically connected with the single chip microcomputer, the power supply supplies power to the whole device through the single chip microcomputer, the single chip microcomputer is electrically connected with the pressure sensor 204, the single chip microcomputer is electrically connected with the buzzer 104, can set a pressure threshold value, when the internal pressure of the gas storage tank body 201 reaches the set threshold value, the buzzer 104 gives an abnormal sound to remind an operator to immediately close the gas inlet valve 7, and prevent the internal pressure value of the gas storage tank body 201 from being overlarge, when the gas inside the gas storage tank body 201 is discharged, the gas inlet valve 7 is closed, the exhaust valve 6 is opened, the gravity block 205 moves downwards due to the action of gravity to drive the limit movable rod 203 to move downwards, the seal movable block 202 is pushed to extrude the bottom gas, so that the gas inside the gas storage tank body 201 is discharged from the exhaust pipe 5, when the gas is metered and stored, if the seal movable block 202 is damaged, the gas tightness is reduced, the gas inside the gas storage tank body 201 flows out from between the limit movable rod 203 and the gas storage tank body 201 and is detected by the gas sensor 3 positioned at the top of the gas storage tank body 201, and as the gas sensor 3 is electrically connected with the singlechip, the gas sensor 3 transmits the detected signal to the singlechip, and the singlechip is electrically connected with the buzzer 104, the buzzer 104 gives an abnormal sound to prompt the user to close the air inlet valve 7, so that further gas leakage is prevented, and the use safety is improved.

It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a gas detection alarm device for stoichiometry, supports base mechanism (1), blast pipe (5) and intake pipe (8) including gas detection, its characterized in that: the gas detection support base mechanism (1) is internally and fixedly provided with a metering gas storage tank body mechanism (2), the metering gas storage tank body mechanism (2) is fixedly provided with a gas sensor (3) on the outer wall of the top part, the middle part of the outer wall of the top part of the metering gas storage tank body mechanism (2) is fixedly provided with a protective cover mechanism (4), the gas sensor (3) is positioned inside the protective cover mechanism (4), the middle outer wall of the exhaust pipe (5) is fixedly provided with an exhaust valve (6), the exhaust pipe (5) penetrates through the gas detection support base mechanism (1) and the metering gas storage tank body mechanism (2) and extends into the gas detection support base mechanism (1), the middle outer wall of the exhaust pipe (5) is fixedly connected with the gas detection support base mechanism (1) and the metering gas storage tank body mechanism (2), and the middle outer wall of the air inlet pipe (8) is fixedly provided with an air inlet valve (7), intake pipe (8) run through gaseous detection and support base mechanism (1), measurement gas holder mechanism (2), intake pipe (8) middle part outer wall supports base mechanism (1), measurement gas holder mechanism (2) fixed connection with gaseous detection.

2. The gas detection alarm device for stoichiometry according to claim 1, wherein: the gas detection supporting base mechanism (1) comprises a supporting shell (101), a fixed block (102), a controller (103), a buzzer (104) and a pipeline through hole (105), and the metering gas storage tank mechanism (2) comprises a gas storage tank body (201), a sealing movable block (202), a limiting movable rod (203), a pressure sensor (204), a gravity block (205) and a pointer (206).

3. The gas detection alarm device for stoichiometry according to claim 2, wherein: support the left side fixed mounting of casing (101) front outer wall have bee calling organ (104), the right fixed mounting of support casing (101) front outer wall has controller (103), support casing (101) front-back left and right sides inner wall fixed mounting has four groups of fixed block (102).

4. The gas detection alarm device for stoichiometry according to claim 2, wherein: the gas holder body (201) middle part inner wall is provided with sealed movable block (202), the middle part fixed mounting of sealed movable block (202) bottom outer wall has pressure sensor (204), the middle part fixed mounting of sealed movable block (202) top outer wall has spacing movable rod (203), spacing movable rod (203) top outer wall fixed mounting has gravity piece (205), gravity piece (205) front outer wall fixed mounting has pointer (206), four groups fixed mounting has the gas holder body (201) between fixed block (102).

5. The gas detection alarm device for stoichiometry according to claim 1, wherein: protection casing mechanism (4) include protection casing (401), viewing aperture (402), toughened glass (403) and scale (404), viewing aperture (402) have been seted up to protection casing (401) front outer wall, fixed mounting has toughened glass (403) on viewing aperture (402), the left and right sides fixed mounting of toughened glass (403) rear side outer wall has two sets of scales (404).