CN113514615A - System and method for gas path water inlet identification and water drainage of pump-suction type gas detector - Google Patents
System and method for gas path water inlet identification and water drainage of pump-suction type gas detector Download PDFInfo
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- CN113514615A CN113514615A CN202110783835.9A CN202110783835A CN113514615A CN 113514615 A CN113514615 A CN 113514615A CN 202110783835 A CN202110783835 A CN 202110783835A CN 113514615 A CN113514615 A CN 113514615A
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- branch pipe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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Abstract
The invention relates to the technical field of gas detection, and discloses a gas path water inlet identification and drainage system of a pump-suction type gas detector, which comprises a buffer container, wherein a first branch pipe communicated with the buffer container is arranged at the top of the buffer container, a second branch pipe communicated with the first branch pipe is arranged on the first branch pipe, three-way electromagnetic valves are arranged on the first branch pipe and the second branch pipe respectively, one end of the first branch pipe, which is far away from the buffer container, is connected with a direct-current diaphragm pump, the air suction end of the direct-current diaphragm pump is communicated with the other end of the second branch pipe, and a drainage and air inlet pipe is connected to the three-way electromagnetic valve on the first branch pipe. This scheme is through setting up float level sensor on gaseous survey gas circuit and whether there is ponding in can real-time detection buffer container, and when water, the mutually supporting of rethread three solenoid valve, direct current diaphragm pump and drainage intake pipe discharges ponding, realizes liquid automatic identification and exhaust function, prevents effectively that the interior gas sensor of gas detector from intaking inefficacy.
Description
Technical Field
The invention relates to the technical field of gas detection, in particular to a system and a method for gas path water inlet identification and water drainage of a pump-suction type gas detector.
Background
The pump suction type gas detection system is composed of a built-in gas pump, a gas circuit and a gas detector, a water inlet and drainage mechanism is generally not arranged on the gas detection gas circuit in the prior art, if accumulated water is encountered in the system, the gas pump can suck the gas detector, and an inner gas sensitive element of the gas detector is damaged.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a system and a method for identifying and draining water in a gas path of a pump-suction type gas detector.
In order to achieve the purpose, the invention provides the following technical scheme:
a gas path water inlet identification and drainage system of a pump-suction type gas detector comprises a buffer container, the top of the buffer container is provided with a first branch pipe communicated with the buffer container, the first branch pipe is provided with a second branch pipe communicated with the first branch pipe, the first branch pipe and the second branch pipe are both provided with three-way electromagnetic valves, one end of the first branch pipe far away from the buffer container is connected with a direct-current diaphragm pump, the suction end of the direct current diaphragm pump is communicated with the other end of the second branch pipe, the three-way electromagnetic valve on the first branch pipe is connected with a drainage and air inlet pipe, the three-way electromagnetic valve on the second branch pipe is connected with a detection pipe, one end of the detection pipe far away from the three-way electromagnetic valve is connected with a gas chamber to be detected, the gas detection device is characterized in that a gas detector is arranged on the detection gas chamber, an exhaust port is arranged on the detection gas chamber, and a floater liquid level sensor is arranged in the buffer container.
Preferably, the gas detector is an acousto-optic display detector.
Preferably, the device also comprises a single chip microcomputer, and the two three-way electromagnetic valves, the direct-current diaphragm pump, the gas detector and the floater liquid level sensor are respectively and electrically connected with the single chip microcomputer.
Preferably, the bottom of the buffer container is provided with a filter.
The invention solves another problem of providing a method for identifying and draining water in a gas path of a pump-suction type gas detector, which comprises the following steps:
firstly, a normal inspiration detection process:
s1, the single chip microcomputer communicates the buffer container with the direct-current diaphragm pump through a three-way electromagnetic valve on the first branch pipe, and communicates the direct-current diaphragm pump with the detection pipe through a three-way electromagnetic valve on the second branch pipe;
s2, when gas is detected, the single chip microcomputer starts the direct-current diaphragm pump to suck gas, the gas is sent into the detection gas chamber through the first branch pipe, the second branch pipe and the detection pipe, the concentration of the gas is detected through the gas detector, and then the gas is discharged through the exhaust port of the detection gas chamber;
secondly, water inlet identification and drainage process:
s1, detecting whether water enters the buffer container or not in real time by the float liquid level sensor, and transmitting a signal to the single chip microcomputer;
s2, when water enters the buffer container, the single chip microcomputer seals and communicates the detection pipe with the water drainage and air inlet pipe by switching two three-way electromagnetic valves;
and S3, the single chip microcomputer starts the direct-current diaphragm pump, gas is pumped through the water discharging and air inlet pipe, and the gas is blown into the buffer container through the second branch pipe and forces the water path of the buffer container to return.
Compared with the prior art, the invention provides a system and a method for identifying and draining water in a gas path of a pump-suction type gas detector, which have the following beneficial effects:
this scheme is through setting up float level sensor on gaseous survey gas circuit and whether there is ponding in can real-time detection buffer container, and when water, the mutually supporting of rethread three solenoid valve, direct current diaphragm pump and drainage intake pipe discharges ponding, realizes liquid automatic identification and exhaust function, prevents effectively that the interior gas sensor of gas detector from intaking inefficacy.
Drawings
FIG. 1 is a system diagram of the present invention;
FIG. 2 is a guide diagram of a normal inspiration detection process of the present invention;
FIG. 3 is a flow direction diagram of the water inlet identification and drainage flow of the present invention.
The reference numbers in the figures illustrate:
1. a buffer container; 2. a first branch pipe; 3. a second branch pipe; 4. a three-way electromagnetic valve; 5. a flow diaphragm pump; 6. a drainage air inlet pipe; 7. a detection tube; 8. detecting the air chamber; 9. a gas detector; 10. an exhaust port; 11. a float level sensor; 12. a single chip microcomputer; 13. and (3) a filter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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, a system for identifying and draining water in a gas path of a pump-suction gas detector comprises a buffer container 1, a first branch pipe 2 communicated with the buffer container 1 is arranged at the top of the buffer container 1, a second branch pipe 3 communicated with the first branch pipe 2 is arranged on the first branch pipe 2, three-way electromagnetic valves 4 are arranged on the first branch pipe 2 and the second branch pipe 3, one end of the first branch pipe 2 far away from the buffer container 1 is connected with a direct-current diaphragm pump 5, the air suction end of the direct-current diaphragm pump 5 is communicated with the other end of the second branch pipe 3, a water drainage and air inlet pipe 6 is connected with the three-way electromagnetic valve 4 on the first branch pipe 2, a detection pipe 7 is connected with the three-way electromagnetic valve 4 on the second branch pipe 3, one end of the detection pipe 7 far away from the three-way electromagnetic valve 4 is connected with a gas chamber 8 to be detected, a gas detector 9 is arranged on the detection gas chamber 8, an air outlet 10 is arranged on the detection gas chamber 8, a float liquid level sensor 11 is arranged in the buffer container 1, the device further comprises a single chip microcomputer 12, and the two three-way electromagnetic valves 4, the direct-current diaphragm pump 5, the gas detector 9 and the floater liquid level sensor 11 are electrically connected with the single chip microcomputer 12 respectively.
In addition, the gas detector 9 is an acousto-optic display detector, when the gas detector 9 detects that the measured gas exceeds a set value, an alarm prompt can be given, and the bottom of the buffer container 1 is provided with a filter 13 to prevent impurities from entering the buffer container 1.
Referring to fig. 2-3, a method for identifying and draining water in a gas path of a pump-type gas detector includes the following steps:
firstly, a normal inspiration detection process:
s1, the single chip microcomputer 12 communicates the buffer container 1 with the direct current diaphragm pump 5 through the three-way electromagnetic valve 4 on the first branch pipe 2, and communicates the direct current diaphragm pump 5 with the detection pipe 7 through the three-way electromagnetic valve 4 on the second branch pipe 3;
s2, when gas is detected, the single chip microcomputer 12 starts the direct-current diaphragm pump 5 to suck gas, and the gas is sent into the detection gas chamber 8 through the first branch pipe 2, the second branch pipe 3 and the detection pipe 7, the concentration of the gas is detected through the gas detector 9, and then the gas is discharged through the exhaust port 10 of the detection gas chamber 8;
secondly, water inlet identification and drainage process:
s1, detecting whether water is fed into the buffer container 1 in real time by the float liquid level sensor 11, and transmitting a signal to the single chip microcomputer 12;
s2, when water enters the buffer container 1, the single chip microcomputer 12 seals the detection pipe 7 and communicates with the water drainage and air inlet pipe 6 by switching the two three-way electromagnetic valves 4;
s3, the single chip microcomputer 12 starts the direct current diaphragm pump 5, gas is pumped through the water discharging and air inlet pipe 6, and is blown into the buffer container 1 through the second branch pipe 3 and forces the water path of the buffer container 1 to return, so that the gas is prevented from entering the detection air chamber 8.
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.
Claims (5)
1. The utility model provides a system that discernment and drainage were intake to gas circuit of pump suction type gas detector which characterized in that: comprises a buffer container (1), a first branch pipe (2) communicated with the buffer container is arranged at the top of the buffer container (1), a second branch pipe (3) communicated with the first branch pipe is arranged on the first branch pipe (2), three-way electromagnetic valves (4) are arranged on the first branch pipe (2) and the second branch pipe (3), one end of the first branch pipe (2) far away from the buffer container (1) is connected with a direct-current diaphragm pump (5), the air suction end of the direct-current diaphragm pump (5) is communicated with the other end of the second branch pipe (3), a water drainage and air inlet pipe (6) is connected onto the three-way electromagnetic valve (4) on the first branch pipe (2), a detection pipe (7) is connected onto the three-way electromagnetic valve (4) on the second branch pipe (3), one end of the detection pipe (7) far away from the three-way electromagnetic valve (4) is connected with a detection air chamber (8), a gas detector (9) is arranged on the detection air chamber (8), an exhaust port (10) is arranged on the detection air chamber (8), and a floater liquid level sensor (11) is arranged in the buffer container (1).
2. The system for identifying and draining water in a gas path of a pump-suction gas detector as claimed in claim 1, wherein: the gas detector (9) is an acousto-optic display detector.
3. The system for identifying and draining water in a gas path of a pump-suction gas detector as claimed in claim 1, wherein: the device is characterized by further comprising a single chip microcomputer (12), and the two three-way electromagnetic valves (4), the direct-current diaphragm pump (5), the gas detector (9) and the floater liquid level sensor (11) are electrically connected with the single chip microcomputer (12) respectively.
4. The system for identifying and draining water in a gas path of a pump-suction gas detector as claimed in claim 1, wherein: the bottom of the buffer container (1) is provided with a filter (13).
5. The method for identifying and draining water in the air path of the pump-suction type gas detector according to the claims 1-4, wherein the method comprises the following steps: the method comprises the following steps:
firstly, a normal inspiration detection process:
s1, the single chip microcomputer (12) communicates the buffer container (1) with the direct current diaphragm pump (5) through the three-way electromagnetic valve (4) on the first branch pipe (2), and communicates the direct current diaphragm pump (5) with the detection pipe (7) through the three-way electromagnetic valve (4) on the second branch pipe (3);
s2, when gas is detected, the single chip microcomputer (12) starts the direct-current diaphragm pump (5) to suck gas, and the gas is sent into the detection gas chamber (8) through the first branch pipe (2), the second branch pipe (3) and the detection pipe (7), the concentration of the gas is detected through the gas detector (9), and then the gas is discharged through the exhaust port (10) of the detection gas chamber (8);
secondly, water inlet identification and drainage process:
s1, the floater liquid level sensor (11) detects whether water enters the buffer container (1) in real time, and transmits a signal to the single chip microcomputer (12);
s2, when water enters the buffer container (1), the single chip microcomputer (12) closes and communicates the detection pipe (7) with the water drainage and air inlet pipe (6) by switching the two three-way electromagnetic valves (4);
and S3, starting the direct-current diaphragm pump (5) by the singlechip (12), extracting gas through the water discharging and air inlet pipe (6), blowing the gas into the buffer container (1) through the second branch pipe (3) and forcing a water path of the buffer container (1) to return.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110783835.9A CN113514615A (en) | 2021-07-12 | 2021-07-12 | System and method for gas path water inlet identification and water drainage of pump-suction type gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110783835.9A CN113514615A (en) | 2021-07-12 | 2021-07-12 | System and method for gas path water inlet identification and water drainage of pump-suction type gas detector |
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| Publication Number | Publication Date |
|---|---|
| CN113514615A true CN113514615A (en) | 2021-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110783835.9A Pending CN113514615A (en) | 2021-07-12 | 2021-07-12 | System and method for gas path water inlet identification and water drainage of pump-suction type gas detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576151A (en) * | 2022-02-23 | 2022-06-03 | 魏合语 | Liquid pumping protection method and air pump liquid pumping protection device using same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006053003A (en) * | 2004-08-11 | 2006-02-23 | Japan Atom Energy Res Inst | High sensitivity gas analyzer |
| CN101625294A (en) * | 2009-07-30 | 2010-01-13 | 佛山分析仪有限公司 | Motor vehicle exhausting analyzer and working method thereof |
| JP2015010830A (en) * | 2013-06-26 | 2015-01-19 | 東亜ディーケーケー株式会社 | Analysis equipment |
| CN205317559U (en) * | 2015-12-21 | 2016-06-15 | 西安西光创威光电有限公司 | Portable couple of compound flue gas preprocessing device of gas circuit |
| CN208653907U (en) * | 2018-09-04 | 2019-03-26 | 青岛众瑞智能仪器有限公司 | A kind of pipe-line system with sensor protection effect |
| CN112051231A (en) * | 2020-09-22 | 2020-12-08 | 江苏天诺基业生态科技有限公司 | A method and device for preventing water from entering into an optical cavity ring-down closed-circuit flux analyzer |
-
2021
- 2021-07-12 CN CN202110783835.9A patent/CN113514615A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006053003A (en) * | 2004-08-11 | 2006-02-23 | Japan Atom Energy Res Inst | High sensitivity gas analyzer |
| CN101625294A (en) * | 2009-07-30 | 2010-01-13 | 佛山分析仪有限公司 | Motor vehicle exhausting analyzer and working method thereof |
| JP2015010830A (en) * | 2013-06-26 | 2015-01-19 | 東亜ディーケーケー株式会社 | Analysis equipment |
| CN205317559U (en) * | 2015-12-21 | 2016-06-15 | 西安西光创威光电有限公司 | Portable couple of compound flue gas preprocessing device of gas circuit |
| CN208653907U (en) * | 2018-09-04 | 2019-03-26 | 青岛众瑞智能仪器有限公司 | A kind of pipe-line system with sensor protection effect |
| CN112051231A (en) * | 2020-09-22 | 2020-12-08 | 江苏天诺基业生态科技有限公司 | A method and device for preventing water from entering into an optical cavity ring-down closed-circuit flux analyzer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576151A (en) * | 2022-02-23 | 2022-06-03 | 魏合语 | Liquid pumping protection method and air pump liquid pumping protection device using same |
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Application publication date: 20211019 |