CN215493421U - Gas detection device - Google Patents

Abstract

The utility model discloses a gas detection device, comprising: the gas detection device comprises a suction pump, a hose and a detection head, wherein one end of the hose is connected with the suction pump, the other end of the hose is connected with the detection head, a measuring hole is formed in the hose, and a liquid level alarm assembly is arranged in the detection head.

Description

Gas detection device

Technical Field

The utility model relates to the technical field of gas detection, in particular to a gas detection device.

Background

The leakage water collecting well in the power plant discharges and clears up, and it is 40m deep to the water collecting well bottom from ground, all need personnel to carry instrument measurement well oxygen content, harmful gas before the operation of going into the well at every turn, very inconvenient and if harmful gas in the well is not known in advance, there is the personal injury danger to the operating personnel. The traditional gas detector increases the way of remote communication to collect. The method has the disadvantages that the service life is shortened due to long-term online operation in a high-humidity environment, the measurement error is increased due to the influence of the environment, and frequent manual calibration is needed. In addition, the bottom end is easily sealed by liquid in the process of collecting by the detecting head, so that direct sampling cannot be performed, the height of the pipe opening needs to be readjusted, and the convenience of gas collection is influenced.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the application, some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.

The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.

Therefore, the technical problem to be solved by the utility model is to provide a remote gas detection device which has accurate measurement, is not influenced by environment, has long service life and can ensure that gas sampling can be continuously carried out.

In order to solve the technical problems, the utility model provides the following technical scheme: a gas detection apparatus comprising: an air-breathing pump is arranged in the air-breathing device,

one end of the hose is connected with the air suction pump, and a measuring hole is formed in the hose;

the detection head is connected with one end, far away from the air suction pump, of the hose, and a liquid level alarm assembly is arranged in the detection head.

As a preferable aspect of the gas detection apparatus of the present invention, wherein: still include the detector, the detector is provided with the warning piece.

As a preferable aspect of the gas detection apparatus of the present invention, wherein: the alarm piece is buzzer and warning light, buzzer with the liquid level warning subassembly is connected, the warning light input is connected with the detector.

As a preferable aspect of the gas detection apparatus of the present invention, wherein: the liquid level warning subassembly includes, first electrode block, the pipe of being connected with first electrode block bottom, with pipe bottom fixed connection's baffle, be provided with the second electrode block on the baffle, the round hole has been seted up to the upper surface of baffle, and the round hole has cup jointed the connecting rod, the top fixed connection of connecting rod the second electrode block, the bottom fixedly connected with roof of connecting rod.

As a preferable aspect of the gas detection apparatus of the present invention, wherein: the upper surface of the detection head is fixedly connected with a storage battery, the second electrode block is connected with the storage battery through a lead, and the first electrode block is connected with the buzzer through a lead.

As a preferable aspect of the gas detection apparatus of the present invention, wherein: the detection head is funnel-shaped, and the opening part is provided with a filter disc.

As a preferable aspect of the gas detection apparatus of the present invention, wherein: the back of the detector body is provided with a sampling interface, and the sampling interface is connected with the measuring hole.

As a preferable aspect of the gas detection apparatus of the present invention, wherein: and a sealing gasket is arranged at the joint of the sampling interface and the measuring hole.

As a preferable aspect of the gas detection apparatus of the present invention, wherein: the detector is internally provided with a detection module, and the detection module comprises a gas sensor, a single chip microcomputer and an AD converter.

As a preferable aspect of the gas detection apparatus of the present invention, wherein: the detector shell adopts the polymethyl methacrylate material, the outside cover of detector is equipped with the silica gel protective sheath.

The utility model has the beneficial effects that: 1. the gas detection device provided by the utility model has the advantages that the hose is arranged, the detection head and the air suction pump are used for introducing the detected gas into the hose for sampling, the gas detection device works in a better environment, and the service life can be obviously prolonged.

2. According to the utility model, the filter disc is arranged, so that dust and sand in gas can be filtered, the gas inlet of the gas detection device is prevented from being blocked by the dust, and the service life of the gas detection device is prolonged by 3. according to the utility model, the liquid level alarm assembly is arranged in the detection head, when the detection head moves downwards, liquid or ground in the water collecting well lifts the top plate, the top plate enables the second electrode block to move upwards through the connecting rod, when the first electrode block and the second electrode block are contacted, the buzzer is electrified to sound, the worker is reminded to stop the downward movement of the detection head, the gas sampling can be continuously carried out, time and labor are saved, the structure can effectively improve the gas sampling efficiency of the water collecting well, and the gas collection convenience is also improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is a schematic structural diagram of a gas detection device provided by the present invention.

Fig. 2 is a schematic structural diagram of a detection head of a gas detection device according to the present invention.

Fig. 3 is a schematic structural view of a liquid level alarm assembly of the gas detection device provided by the utility model.

FIG. 4 is a cross-sectional view of a liquid level alarm assembly of a gas detection device in accordance with the present invention.

Fig. 5 is a schematic side view of a detector of a gas detection device according to the present invention.

Fig. 6 is a schematic front view of a detector of a gas detection device according to the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration when describing the embodiments of the present invention, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 2, the present embodiment provides a gas detection apparatus, including a getter pump 100, a hose 200 and a detection head 300, where one end of the hose 200 is connected to the getter pump 100, and the other end is connected to the detection head 300, where the detection head 300 is used for collecting gas, the getter pump 100 is used for introducing gas, the hose 200 a can be used for accommodating gas, and can extend a detection collection distance of the detection head 300, and the hose 200 is provided with a measurement hole 201; the composition of the internally introduced gas is measured through the measurement hole 201.

Further, a liquid level alarm assembly 400 is arranged in the detection head 300. Guarantee through setting up liquid level warning subassembly 400 to detect head 300 and gather gas and can continuously go on, improve the efficiency of sump pit gas sampling, also improved the gas collection convenience.

The implementation mode is as follows: first hose 200 and detection head 300 are connected, put into the region that needs explore gas with detecting head 300, hose 200 one can be used for holding gas two and can prolong the detection acquisition distance that detects head 300, be applicable to some remote detection area, the hose 200 other end is connected with aspirator pump 100, aspirator pump 100 is put on ground and is carried out gaseous introduction, put into measuring hole 201 with gas sensor, the gaseous composition of introduction in the detection hose 200, set up liquid level alarm assembly 400 in detecting head 300 and ensure that the gaseous collection of detection head 300 can last, the efficiency of the gas sampling of sump pit is improved, gas collection convenience has also been improved.

Example 2

Referring to fig. 1, 2, 5 and 6, a second embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that: wherein, gaseous detection device still includes detector 500, be provided with warning piece 600 on the detector 500, warning piece 600 is bee calling organ 601 and warning light 602, bee calling organ 601 is connected with liquid level alarm subassembly 400, the warning light 602 input is connected with detector 500, after detector 500 detects gas, through inside sensor and detection module analysis, concrete composition numerical value can show at detector 500 window, warning light 602 can send out the warning light after numerical value reaches predetermined threshold value and reminds that the staff gas is internal to have harmful gas.

Further, the detection head 300 is funnel-shaped, and a filter disc 301 is arranged at the opening. Inside gas can get into hose 200 through detecting first 300 openings, gas can be earlier through filter disc 301 before being detected by detector 500, and particulate matters such as dust in the gas, grit can be filtered by filter disc 301, lets detector 500 can not direct contact grit and dust, avoids detector 500's sampling interface 501 to be blockked up, has improved detector 500's detection precision, reduces detector 500's damage probability.

Preferably, a sampling interface 501 is disposed on the back of the detector 500, and the sampling interface 501 is connected to the measurement hole 201. The detector 500 performs sampling analysis of the air introduced into the hose 200 through the measurement hole 201.

Further, a sealing gasket 502 is arranged at the connection position of the sampling interface 501 and the measuring hole 201. By providing the gasket 502, the gap between the detector 500 and the measurement hole 201 is further reduced, and external air is prevented from entering the hose 200 and affecting the measurement accuracy of the detector 500.

Preferably, the detector 500 is internally provided with a detection module, and the detection module includes a gas sensor, a single chip microcomputer and an AD converter. Gas data are collected through the gas sensor, the singlechip analyzes the data, and the AD converter converts physical quantity into a voltage signal.

Further, the detector 500 shell adopts the polymethyl methacrylate material, the outside cover of detector 500 is equipped with the silica gel protective sheath. The polymethyl methacrylate material is a material with certain intensity and transparent aspects such as taking precautions against earthquakes, explosion-proof and easily observing, is especially suitable for as the instrument shell, and detector 500 outside cover is equipped with the silica gel protective sheath, further improves detector 500's resistant function of falling, guarantees detector 500's durability and reliability.

The implementation mode is as follows: gaseous detection device still includes detector 500, and detector 500's shell is the polymethyl methacrylate material, has certain intensity and transparency, is convenient for observe, and detector 500 is inside to be provided with detection module, and detection module includes gas sensor, singlechip and AD converter. The gas sensor is used for collecting gas data, the singlechip is used for analyzing the gas data, the AD converter is used for converting physical quantity into a voltage signal, the sampling interface 501 is arranged on the back of the detector 500 and is connected with the measuring hole 201 of the hose 200 through the sampling interface 501, the sealing gasket 502 is arranged at the joint, the gap between the detector 500 and the measuring hole 201 is further reduced by arranging the sealing gasket 502, external air is prevented from entering the hose 200 and influencing the measuring precision of the detector 500, the alarm part 600 is arranged on the detector 500 and is a buzzer 601 and a warning lamp 602, the buzzer 601 is connected with the liquid level alarm assembly 400, the input end of the warning lamp 602 is connected with the detector 500, when the detector 500 detects gas, the specific component numerical value can be displayed on the window of the detector 500 through the analysis of the internal sensor and the detection module, when the numerical value reaches a preset threshold value, the warning lamp 602 can send warning light to remind workers that harmful gas exists in the gas, detect first 300 appearance and be hopper-shaped, the opening part is provided with filter disc 301, it is inside that gas can get into hose 200 through detecting first 300 openings, gas can be earlier through filter disc 301 before being detected by detector 500, particulate matters such as dust in the gas, grit can be filtered by filter disc 301, let detector 500 can not direct contact grit and dust, the sampling interface 501 of avoiding detector 500 is blockked up, the detection precision of detector 500 has been improved, reduce detector 500's damage probability.

Example 3

Referring to fig. 1 to 6, a second embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that: liquid level warning subassembly 400 includes, first electrode block 401, the pipe 402 of being connected with first electrode block 401 bottom, with pipe 402 bottom fixed connection's baffle 403, be provided with second electrode block 404 on the baffle 403, the round hole has been seted up to the upper surface of baffle 403, and the round hole has cup jointed connecting rod 405, the top fixed connection second electrode block 404 of connecting rod 405, the bottom fixedly connected with roof 406 of connecting rod 405. Liquid in the sump pit can lift roof 406 through such design, and roof 406 makes second electrode piece 404 rebound through connecting rod 405, and when first electrode piece 401 and second electrode piece 404 contact, bee calling organ 601 circular telegram buzzes, reminds the staff to stop detecting head 300 and moves down, and the gaseous sample of guarantee can continuously go on, and need not readjust the height that detects head 300, labour saving and time saving.

Further, the upper surface of the detection head 300 is fixedly connected with a storage battery 407, the second electrode block 404 is connected with the storage battery 407 through a lead, and the first electrode block 401 is connected with the buzzer 601 through a lead. Such electrical connections are well known in the art and will not be described herein.

The implementation mode is as follows: the liquid level alarm assembly 400 is adopted to ensure that gas sampling can be continuously carried out, the liquid level alarm device 400 comprises a first electrode block 401, a circular tube 402 connected with the bottom of the first electrode block 401, a baffle 403 fixedly connected with the bottom end of the circular tube 402, a second electrode block 404 is arranged on the baffle 403, a circular hole is formed in the upper surface of the baffle 403, a connecting rod 405 is sleeved in the circular hole, the top end of the connecting rod 405 is fixedly connected with the second electrode block 404, a top plate 406 is fixedly connected with the bottom end of the connecting rod 405, when the detection head 300 is placed in a water collecting well, the detection head 300 possibly contacts with the ground or the water surface along with the deep penetration of the detection head 300, the detection head 300 can be sealed by liquid or the ground, so that direct sampling cannot be carried out, when the liquid level alarm assembly 400 is arranged, the liquid in the water collecting well can lift the top plate 406, the top plate 406 enables the second electrode block 404 to move upwards through the connecting rod 405, and when the first electrode block 401 contacts with the second electrode block 404, buzzer 601 circular telegram is buzzed, reminds the staff to stop detecting head 300 and moves down, and guarantee gas sampling can continuously go on, and need not readjust the height that detects head 300, and labour saving and time saving, this structure can effectively improve the efficiency of sump pit gas sampling, has also improved the gas collection convenience.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the utility model, or those unrelated to enabling the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (10)

1. A gas detection device, characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

a getter pump (100) having a getter pump,

one end of the hose (200) is connected with the air suction pump (100), and a measuring hole (201) is formed in the hose (200);

the detection device comprises a detection head (300), wherein the detection head (300) is connected with one end, far away from the air suction pump (100), of the hose (200), and a liquid level alarm assembly (400) is arranged in the detection head (300).

2. A gas detection device according to claim 1, wherein: the device also comprises a detector (500), wherein an alarm piece (600) is arranged on the detector (500).

3. A gas detection apparatus as claimed in claim 2, wherein: alarm (600) are bee calling organ (601) and warning light (602), bee calling organ (601) with liquid level alarm subassembly (400) are connected, warning light (602) input with detector (500) are connected.

4. A gas detection apparatus according to any one of claims 1 or 3, wherein: liquid level warning subassembly (400) include, first electrode block (401), with pipe (402) that first electrode block (401) bottom is connected, with pipe (402) bottom fixed connection's baffle (403), be provided with second electrode block (404) on baffle (403), the round hole has been seted up to the upper surface of baffle (404), and the round hole has cup jointed connecting rod (405), the top fixed connection of connecting rod (405) second electrode block (404), the bottom fixedly connected with roof (406) of connecting rod (405).

5. A gas detection apparatus as claimed in claim 4, wherein: the upper surface of the detection head (300) is fixedly connected with a storage battery (407), the second electrode block (404) is connected with the storage battery (407) through a lead, and the first electrode block (401) is connected with a buzzer (601) through a lead.

6. A gas detection apparatus as claimed in claim 5, wherein: the detection head (300) is funnel-shaped, and a filter disc (301) is arranged at the opening.

7. A gas detection apparatus as claimed in claim 6, wherein: the back of the detector (500) is provided with a sampling interface (501), and the sampling interface (501) is connected with the measuring hole (201).

8. A gas detection apparatus as claimed in claim 7, wherein: and a sealing gasket (502) is arranged at the joint of the sampling interface (501) and the measuring hole (201).

9. A gas detection device according to claim 8, wherein: detector (500) inside is provided with detection module, detection module includes gas sensor, singlechip and AD converter.

10. A gas detecting device according to any one of claims 2 or 4 to 9, wherein: detector (500) shell adopts the polymethyl methacrylate material, the outside cover of detector (500) is equipped with the silica gel protective sheath.

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