CN118258953A - Diffusion type gas monitoring explosion-proof equipment capable of realizing rapid ventilation - Google Patents
Diffusion type gas monitoring explosion-proof equipment capable of realizing rapid ventilation Download PDFInfo
- Publication number
- CN118258953A CN118258953A CN202311786182.5A CN202311786182A CN118258953A CN 118258953 A CN118258953 A CN 118258953A CN 202311786182 A CN202311786182 A CN 202311786182A CN 118258953 A CN118258953 A CN 118258953A
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- explosion
- proof
- probe
- proof sheet
- sheet
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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
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
-
- 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
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses diffusion type gas monitoring explosion-proof equipment capable of rapidly exchanging air, which comprises a host machine, a probe, an explosion-proof sheet I, an explosion-proof sheet II, a sensor, an audible and visual alarm and an explosion-proof air pump, wherein the probe is arranged on the host machine; the probe and the audible and visual alarm are arranged on the host, the explosion-proof sheet I and the explosion-proof sheet II are arranged on the probe shell, and the sensor is arranged in the probe and positioned on the inner side of the explosion-proof sheet I and right against the explosion-proof sheet I; the explosion-proof aspiration pump is arranged on the outer side of the explosion-proof sheet II, and the explosion-proof aspiration pump is in sealing connection with the probe shell. The invention can shorten the response time of the explosion-proof equipment.
Description
Technical Field
The invention relates to the technical field of gas monitoring, in particular to diffusion type gas monitoring explosion-proof equipment capable of rapidly ventilating.
Background
The explosion-proof type gas monitoring equipment is used for detecting the gas concentration in flammable, explosive and toxic and harmful gas environments and sending out signal alarm and other functions, most of the explosion-proof type gas monitoring equipment at present consists of a main machine and a probe, and as the two parts are independently sealed, the two parts are connected only through a signal cable, a sensor for monitoring the gas concentration is arranged at the position of the probe, the probe is provided with an explosion-proof sheet (the explosion-proof sheet is formed by extruding metal particles with a certain granularity, a gap of 1-100 mu m exists in the middle, air can pass through, but the explosion-proof sheet is slow, the function of blocking flame can be achieved after a certain thickness, and the explosion-proof type gas can be diffused from the position of the explosion-proof sheet to the position of the sensor through free diffusion, so that the gas concentration is acquired, and the response time of the gas monitoring equipment is prolonged under the environment that air does not circulate or circulates slowly, so that the potential safety hazards caused by untimely monitoring and early warning exist. It can be seen that the response time of the device is relatively long by virtue of gas diffusion under natural conditions.
Disclosure of Invention
In view of the above, the present invention provides a diffusion type gas monitoring explosion-proof equipment capable of rapidly ventilating, which can shorten the response time of the explosion-proof equipment.
The technical scheme adopted by the invention is as follows:
A diffusion type gas monitoring explosion-proof device capable of rapidly exchanging air comprises a host, a probe, an explosion-proof sheet I, an explosion-proof sheet II, a sensor, an audible and visual alarm and an explosion-proof air pump;
The probe and the audible and visual alarm are arranged on the host, the explosion-proof sheet I and the explosion-proof sheet II are arranged on the probe shell, and the sensor is arranged in the probe and is positioned on the inner side of the explosion-proof sheet I and is opposite to the explosion-proof sheet I; the explosion-proof air pump is arranged on the outer side of the explosion-proof sheet II and is in sealing connection with the probe shell.
Further, an audible and visual alarm port, a probe mounting port and a cable air inlet and outlet port used for being connected with an upper computer are arranged on the host, and the interfaces are of a threaded explosion-proof structure.
Further, the explosion isolation sheet I is arranged at the bottom of the probe shell, and the explosion isolation sheet II is arranged on the side wall of the probe shell.
Further, the side wall of the probe shell is provided with a mounting groove, the mounting groove is communicated with the inside of the probe, and the explosion-proof piece II is fixed in the mounting groove.
Further, the explosion-proof sheet I and the explosion-proof sheet II are welded with the probe shell into a whole.
The beneficial effects are that:
1. According to the invention, the interior of the monitoring explosion-proof equipment is pumped by the explosion-proof air pump, so that negative pressure is formed in the interior of the monitoring explosion-proof equipment, the diffusion of environmental gas into the interior of the equipment is accelerated, and the response time of analyzing the gas is shortened. The whole structure of the explosion-proof equipment does not need to be changed greatly, and the process that the environmental gas enters the inside of the explosion-proof monitoring equipment to be detected can be effectively accelerated, the additionally arranged air pump is also used for meeting the requirements of the explosion-proof equipment, the implementation is easier, and the maintenance is indistinguishable from the existing products.
2. The three interfaces of the invention are all threaded explosion-proof structures meeting explosion-proof requirements, and meet explosion-proof sealing requirements.
3. The explosion-proof sheet I and the explosion-proof sheet II are welded with the probe shell into a whole, and the connection and fixation modes are simple and convenient, are easy to realize and meet the explosion-proof requirement.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Wherein, 1-host computer, 2-probe, 3-probe casing, 4-explosion proof piece I, 5-explosion proof piece II, 6-sensor, 7-explosion proof aspiration pump.
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
The invention provides a diffusion type gas monitoring explosion-proof device capable of rapidly exchanging air, wherein two explosion-proof sheets are arranged at the position of a shell of an instrument for gas exchange, an explosion-proof air pump is arranged at the outer side of the explosion-proof sheet far away from a sensor and is sealed, the explosion-proof air pump is used for pumping air in the monitoring device, so that negative pressure is formed in the monitoring device, the diffusion of environmental gas into the device is accelerated, and the response time of analyzing the gas is shortened. The specific structure is as follows:
As shown in fig. 1, the diffusion type gas monitoring explosion-proof equipment comprises a host machine 1, a probe 2, an explosion-proof sheet I4, an explosion-proof sheet II 5, a sensor 6, an audible and visual alarm and an explosion-proof air pump 7.
The host computer 1 is provided with an audible and visual alarm port, a probe mounting port and a cable air inlet and outlet port which are used for being connected with an upper computer, and the interfaces are all threaded explosion-proof structures meeting explosion-proof requirements. The audible and visual alarm, the probe 2 and the cable are respectively connected with the host computer 1 through an audible and visual alarm port, a probe mounting port and a cable air inlet and outlet.
In order to meet the explosion-proof requirement, the explosion-proof sheet I4 and the explosion-proof sheet II 5 are connected with the probe shell 3 into a whole in a full-welded mode, wherein the explosion-proof sheet I4 is arranged at the bottom of the probe shell 3, and the explosion-proof sheet II 5 is arranged on the side wall of the probe shell 3. The side wall of the probe shell 3 is provided with a mounting groove which is communicated with the inside of the probe 2, and the explosion-proof piece II 5 is welded in the mounting groove. Specifically, the through hole is offered to probe casing 3 lateral wall, and probe casing 3 inner wall of this through hole both sides is equipped with the brace table, and the brace table of both sides stretches out relatively for install explosion proof piece II 5.
The sensor 6 is arranged in the probe 2 and is positioned on the inner side of the explosion-proof sheet I4 and is opposite to the explosion-proof sheet I4; the explosion-proof air pump 7 is arranged on the outer side of the explosion-proof sheet II 5, and the explosion-proof air pump 7 is in sealing connection with the probe shell 3. The explosion-proof air pump 7 works to pump out the air in the probe 2 to the external environment, so that negative pressure is formed in the probe 2, and the ambient gas in the external atmosphere enters the probe 2 under the action of the atmospheric pressure.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The diffusion type gas monitoring explosion-proof equipment capable of rapidly exchanging air is characterized by comprising a host, a probe, an explosion-proof sheet I, an explosion-proof sheet II, a sensor, an audible and visual alarm and an explosion-proof air pump;
The probe and the audible and visual alarm are arranged on the host, the explosion-proof sheet I and the explosion-proof sheet II are arranged on the probe shell, and the sensor is arranged in the probe and is positioned on the inner side of the explosion-proof sheet I and is opposite to the explosion-proof sheet I; the explosion-proof air pump is arranged on the outer side of the explosion-proof sheet II and is in sealing connection with the probe shell.
2. The rapid ventilation diffusion type gas monitoring explosion-proof equipment according to claim 1, wherein the host is provided with an audible and visual alarm port, a probe mounting port and a cable air inlet and outlet port for connection with an upper computer, and the interfaces are all of a threaded explosion-proof structure.
3. The rapid ventilation diffusion type gas monitoring explosion-proof equipment according to claim 1, wherein the explosion-proof sheet I is arranged at the bottom of the probe shell, and the explosion-proof sheet II is arranged on the side wall of the probe shell.
4. A rapid-ventilation diffusion type gas monitoring explosion-proof device according to claim 3, wherein the side wall of the probe shell is provided with a mounting groove, the mounting groove is communicated with the inside of the probe, and the explosion-proof sheet ii is fixed in the mounting groove.
5. A rapid-ventilation diffusion gas monitoring explosion-proof apparatus according to any one of claims 1 to 4, wherein the explosion-proof sheet i and the explosion-proof sheet ii are welded with the probe housing as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311786182.5A CN118258953A (en) | 2023-12-22 | 2023-12-22 | Diffusion type gas monitoring explosion-proof equipment capable of realizing rapid ventilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311786182.5A CN118258953A (en) | 2023-12-22 | 2023-12-22 | Diffusion type gas monitoring explosion-proof equipment capable of realizing rapid ventilation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118258953A true CN118258953A (en) | 2024-06-28 |
Family
ID=91611936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311786182.5A Pending CN118258953A (en) | 2023-12-22 | 2023-12-22 | Diffusion type gas monitoring explosion-proof equipment capable of realizing rapid ventilation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118258953A (en) |
-
2023
- 2023-12-22 CN CN202311786182.5A patent/CN118258953A/en active Pending
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