CN217931588U - Portable waste gas detection device - Google Patents
Portable waste gas detection device Download PDFInfo
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- CN217931588U CN217931588U CN202221803495.8U CN202221803495U CN217931588U CN 217931588 U CN217931588 U CN 217931588U CN 202221803495 U CN202221803495 U CN 202221803495U CN 217931588 U CN217931588 U CN 217931588U
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Abstract
The utility model provides a portable exhaust gas detection device relates to gaseous check out test set technical field. The utility model discloses a portable waste gas detection device is through adopting including the device main part, the device main part is provided with catalytic combustion sensor, a serial communication port, the device main part is equipped with the detection cavity, catalytic combustion sensor install in detect the bottom of cavity, it is right to detect the cavity be equipped with the opening of catalytic combustion sensor, the opening butt joint have with device main part fixed connection's air-supply line, be provided with the air supply subassembly in the air-supply line, the air-supply line can be dismantled the technical scheme who is connected with universal hose, has the beneficial effect that detection speed is fast, carry easily.
Description
Technical Field
The utility model relates to a gaseous check out test set technical field particularly, relates to a portable exhaust gas detection device.
Background
The waste gas refers to toxic and harmful gas discharged by human in the production and living process, especially chemical plants, steel plants, pharmaceutical plants, coking plants, oil refineries and the like, and the discharged waste gas has large smell, seriously pollutes the environment and affects the human health.
Along with the rapid development of national economy of China, industrial production waste gas is increased, facility agriculture is developed, greenhouse heating is performed, agricultural production waste gas is increased, the living standard of people is improved, living waste gas is increased, rapid development of building industry is promoted by city transformation, new rural construction, real estate development and the like, dust and flying dust are generated, if the waste gas cannot be well treated, the waste gas is discharged into the atmosphere, serious pollution is inevitably caused to the atmosphere, and then a series of uncontrollable consequences are caused.
The waste gas that discharges in production and life need do professional detection and treatment, so the device that emerges a variety of being used for waste gas detection in the existing market, for example propane combined type many gas detection appearance, the detector adopts the natural diffusion mode to detect gas concentration, adopts imported electrochemical sensor, has good sensitivity and outstanding repeatability. However, the natural diffusion method results in slow detection speed, and thus the prior art is still to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable exhaust gas detection device, some problems that it can exist to among the prior art, provide corresponding solution, have the beneficial effect that the detection speed is fast, carry easily.
The embodiment of the utility model is realized like this:
the embodiment of the application provides a portable exhaust gas detection device, including the device main part, the device main part is provided with the catalytic combustion sensor, the device main part is equipped with the detection cavity, the catalytic combustion sensor install in detect the bottom of cavity, it is right to detect the cavity be equipped with the opening of catalytic combustion sensor, the opening butt joint have with device main part fixed connection's air-supply line, be provided with air supply assembly in the air-supply line, the air-supply line can be dismantled and be connected with universal hose.
The utility model discloses an in some embodiments, above-mentioned air supply subassembly includes installing support, motor and flabellum, the installing support with the interior wall connection of air-supply line, the motor with the installing support is connected, the flabellum is fixed in the main shaft of motor.
In some embodiments of the present invention, the above-mentioned device main body is provided with a ventilation hole for communicating with the outside and the detection cavity.
The utility model discloses an in some embodiments, the outer wall of above-mentioned air-supply line is provided with the external screw thread, universal hose's one end is provided with the connector, the connector be provided with the internal thread of external screw thread adaptation.
In some embodiments of the present invention, the other end of the universal hose is provided with an open suction nozzle.
In some embodiments of the present invention, the above-mentioned open suction nozzle is provided with a barrier net.
In some embodiments of the present invention, a display screen is disposed on the front surface of the device main body.
In some embodiments of the present invention, the clip is disposed on the back of the device body.
In some embodiments of the invention, the clip comprises a metal clip.
In some embodiments of the present invention, the edges and corners of the device body are covered with rubber sheets.
Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:
the embodiment of the utility model provides a portable waste gas detection device, mainly by the device main part, the catalytic combustion sensor, the air-supply line, air supply subassembly and universal hose five parts are constituteed, wherein device main part and catalytic combustion sensor are prior art, for example the many gas detection of B30 propane combined type detector among the prior art, combustible gas or oxygen that can be arranged in the mill to discharge in the waste gas detect, catalytic combustion formula sensor adopts wheatstone bridge principle, combustible gas in sense resistor and the environment takes place flameless burning, the temperature makes sense resistor's resistance change, break the bridge balance, make it export stable current signal, pass through the enlargement of later stage circuit again, stable and handle and finally show reliable numerical value. The detection cavity is positioned at the top of the device body, and a detection element (such as a platinum wire coil in the prior art) of the catalytic combustion sensor is arranged on the left side wall of the detection cavity and is used for being in contact with air and catalytically combusting combustible gas in the air to detect waste gas. The detecting element of the catalytic combustion sensor is located in the detecting cavity to be safer, and the skin is prevented from being scalded during detection. The opening of the detection cavity is located on the right side, the air inlet pipe is fixedly mounted on the right side of the device main body, and the left end of the air inlet pipe is in butt joint with the opening of the detection cavity, so that air can enter the detection cavity from the air inlet pipe. The air supply assembly is arranged on the air inlet pipe to accelerate air flow, and the left end of the universal hose is connected with the right end of the air inlet pipe. The universal hose is the metal gooseneck among the prior art, and universal hose plays the extension, is convenient for detect the waste gas of specific position (for example narrow and small space), improves the suitability. Meanwhile, the universal hose can be bent and shaped at will, and the universal hose is convenient to use.
When detecting, the hand-held device main part moves to the region that needs waste gas detection, and it is very convenient to carry, then puts universal hose with the hand, stretches into the space that needs the detection with universal hose's right-hand member, presses the detection key and begins to detect. During detection, the air supply assembly accelerates the conveying of outside air to the detection cavity, and the speed of the air natural diffusion is higher than that of the air natural diffusion, so that the effect of faster detection is achieved. Therefore, the utility model provides a portable exhaust gas detection device has the beneficial effect that detection speed is fast, carry easily.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic perspective view of a portable exhaust gas detection device according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating a connection between an air inlet pipe and a universal hose according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an open suction nozzle provided by an embodiment of the present invention;
fig. 4 is a schematic back view of a portable exhaust gas detection apparatus provided by an embodiment of the present invention.
An icon: 1-device body, 101-detection cavity, 102-opening, 103-ventilation hole, 104-display screen, 105-clamping piece, 106-rubber piece, 2-catalytic combustion sensor, 3-air inlet pipe, 4-air supply assembly, 401-mounting bracket, 402-motor, 403-fan blade, 5-universal hose, 501-connector, 502-open suction nozzle and 503-barrier net.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, it is only for convenience of description of the present invention and simplification of description, but not for indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, the present invention should not be construed as being limited thereby.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not require that the components be absolutely horizontal or vertical, but may be slightly inclined. Such as "horizontal" simply means that the direction is more horizontal than "vertical" and does not mean that the structure or component must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" means at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Examples
Referring to fig. 1 to 4, a portable exhaust gas detecting device according to an embodiment of the present invention is provided, and the structure thereof is as follows.
The embodiment of the application provides a portable exhaust gas detection device, including device main part 1, device main part 1 is provided with catalytic combustion sensor 2, device main part 1 is equipped with and detects cavity 101, catalytic combustion sensor 2 is installed in the bottom that detects cavity 101, it is equipped with the opening 102 just to catalytic combustion sensor 2 to detect cavity 101, opening 102 is to having the air-supply line 3 with device main part 1 fixed connection, be provided with air supply component 4 in the air-supply line 3, air-supply line 3 can dismantle and be connected with universal hose 5. Combine fig. 1 and fig. 2 to show, the utility model discloses portable exhaust gas detection device of embodiment is mainly by device main part 1, catalytic combustion sensor 2, air-supply line 3, air supply subassembly 4 and universal hose 5 quintuple are constituteed, wherein device main part 1 and catalytic combustion sensor 2 are prior art, for example, the many gas detection appearance of B30 propane combined type among the prior art, can be used to the combustible gas or the oxygen detection in the factory emission waste gas, catalytic combustion formula sensor adopts Wheatstone bridge principle, flameless burning takes place for the combustible gas in inductive resistor and the environment, the temperature makes inductive resistor's resistance change, break the bridge balance, make it export stable current signal, pass through later stage circuit's amplification again, stabilize and handle and finally show reliable numerical value.
Referring to fig. 1 and 2, a detection cavity 101 is formed at the top of the apparatus body 1, and a detection element (e.g., a platinum coil in the related art) of the catalytic combustion sensor 2 is mounted on the left side wall of the detection cavity 101 for contacting with air and catalytically combusting combustible gas in the air to detect exhaust gas. The detecting element of the catalytic combustion sensor 2 is positioned in the detecting cavity 101 more safely, and the skin is prevented from being scalded during detection. The opening 102 of the detection cavity 101 is located on the right side, the air inlet pipe 3 is fixedly mounted on the right side of the device body 1, and the left end of the air inlet pipe 3 is butted with the opening 102 of the detection cavity 101, so that air can enter the detection cavity 101 from the air inlet pipe 3. The air supply assembly 4 is arranged on the air inlet pipe 3 to accelerate air flow, and the left end of the universal hose 5 is connected with the right end of the air inlet pipe 3. Universal hose 5 is the metal gooseneck among the prior art, and universal hose 5 plays the extension, is convenient for detect the waste gas of specific position (for example narrow and small space), improves the suitability. Meanwhile, the universal hose 5 can be bent and shaped at will, and the use is convenient.
When detecting, the handheld device main part 1 moves to the region that needs the exhaust-gas detection, and it is very convenient to carry, then puts universal hose 5 with the hand, stretches into the space that needs the detection with universal hose 5's right-hand member, presses the detection key and begins to detect. During detection, the air supply assembly 4 accelerates the conveying of the outside air into the detection cavity 101, and the speed of the air is higher than the natural diffusion speed of the air, so that the effect of faster detection is achieved.
In some embodiments of the present invention, the air supply assembly 4 includes a mounting bracket 401, a motor 402 and a fan blade 403, the mounting bracket 401 is connected to the inner wall of the air inlet pipe 3, the motor 402 is connected to the mounting bracket 401, and the fan blade 403 is fixed to the main shaft of the motor 402. Referring to fig. 1 and 2, the air supply assembly 4 of this embodiment is a small fan in the prior art, and mainly includes three parts, namely, a mounting bracket 401, a motor 402 and fan blades 403, wherein the mounting bracket 401 includes two support rods, one end of each support rod is fixedly bonded to the inside of the air inlet duct 3, the other end of each support rod is bonded to the body of the motor 402, and the main shaft of the motor 402 faces to the right and is fixed to the main shaft of the motor 402. The device body 1 in the prior art generally has a battery, and the motor 402 is connected with the battery through a wire, and the battery supplies power to the motor 402. Through the technical scheme of this embodiment, motor 402 circular telegram back drive flabellum 403 rotatory, and flabellum 403 promotes the air in the air-supply line 3 and removes left, simple structure, and the design is comparatively reasonable.
In some embodiments of the present invention, the device body 1 is provided with a ventilation hole 103 for communicating with the outside and the detection cavity 101. Combine fig. 1 and fig. 2 to show, three ventilation hole 103 has all been seted up to the upside and the downside that detect cavity 101, and ventilation hole 103 runs through device main body 1 for external and detection cavity 101 intercommunication. Through the technical scheme of this embodiment, be convenient for detect the gaseous flow of cavity 101 to the external world, realize the effect that lasts the detection.
The utility model discloses an in some embodiments, the outer wall of above-mentioned air-supply line 3 is provided with the external screw thread, and the one end of universal hose 5 is provided with connector 501, and connector 501 is provided with the internal thread with the external screw thread adaptation. Referring to fig. 1 and 2, the external thread is disposed on the outer wall of the air inlet pipe 3, the connector 501 is mounted on the left side of the universal hose 5, and the connector 501 is internally provided with an internal thread, which is engaged with the external thread. Through the technical scheme of this embodiment, threaded connection is a widely used detachable fixed connection, has advantages such as simple structure, connect reliably, install and remove the convenience for universal hose 5 dismouting easily, the result of use is better.
In some embodiments of the present invention, the other end of the universal hose 5 is provided with an open suction nozzle 502. Referring to fig. 1 and 3, the open suction nozzle 502 is in a horn shape, and one end of the open suction nozzle 502 with a smaller diameter is connected to the right end of the universal hose 5. Through the technical scheme of this embodiment, the gaseous collection effect of uncovered suction nozzle 502 is better, reasonable in design.
In some embodiments of the present invention, the above-mentioned open suction nozzle 502 is provided with a barrier net 503. Referring to fig. 1 and 3, a barrier net 503 is attached to the larger diameter end of the open mouthpiece 502. Through the technical scheme of this embodiment, arresting net 503 plays certain arresting effect, avoids great impurity, particulate matter to get into universal hose 5, reduces impurity to testing result's influence, and testing result is more accurate.
In some embodiments of the present invention, the front surface of the device main body 1 is provided with a display screen 104. As shown in fig. 1, the display screen 104 may be a black-and-white liquid crystal in the prior art, and the display screen 104 is mounted on the front surface of the apparatus main body 1. Through the technical scheme of the embodiment, the black-white liquid crystal display screen 104 has the advantages of low energy consumption, long service life and better use effect.
In some embodiments of the present invention, the back of the device body 1 is provided with a clip 105. As shown in fig. 1 and 4, the clip 105 is fixed to the back of the device body 1, the upper end of the clip 105 is fixedly connected to the back of the device body 1, and a gap is left between the lower end of the clip 105 and the back of the device body 1. Through the technical scheme of this embodiment, the effect of clamping piece 105 is similar to "pen clip" among the prior art, is convenient for fix portable exhaust gas detection device on pocket or waistband, promotes the portability, carries more easily.
Further, the clip 105 may be a metal clip 105 made of an iron piece. Through the technical scheme of this embodiment, metal clamping piece 105 is difficult to damage, and life is longer.
In some embodiments of the present invention, the corners of the device body 1 are covered with rubber sheets 106. As shown in fig. 1 and 4, the rubber sheet 106 is bonded to the corner of the apparatus body 1 to cover the corner. Through the technical scheme of this embodiment, the sheet rubber 106 plays the absorbing effect of buffering when portable waste gas detection device accident drops, promotes portable waste gas detection device's security, and life is longer.
To sum up, the embodiment of the utility model provides a portable exhaust gas detection device, including device main part 1, device main part 1 is provided with catalytic combustion sensor 2, device main part 1 is equipped with and detects cavity 101, catalytic combustion sensor 2 is installed in the bottom that detects cavity 101, it is equipped with just to the opening 102 of catalytic combustion sensor 2 to detect cavity 101, opening 102 is to the air-supply line 3 with 1 fixed connection of device main part, be provided with air supply assembly 4 in the air-supply line 3, air-supply line 3 can dismantle and be connected with universal hose 5, it is fast to have the detection speed, the beneficial effect who carries easily.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a portable exhaust gas detection device, includes the device main part, the device main part is provided with the catalytic combustion sensor, a serial communication port, the device main part is equipped with detects the cavity, the catalytic combustion sensor install in detect the bottom of cavity, it is just right to detect the cavity be equipped with the opening of catalytic combustion sensor, the opening butt joint have with device main part fixed connection's air-supply line, be provided with air supply assembly in the air-supply line, the air-supply line can be dismantled and be connected with universal hose.
2. The portable exhaust gas detection device according to claim 1, wherein the air supply assembly includes a mounting bracket, a motor, and a fan blade, the mounting bracket is connected to an inner wall of the air inlet duct, the motor is connected to the mounting bracket, and the fan blade is fixed to a main shaft of the motor.
3. The portable exhaust gas detection device according to claim 1, wherein the device body is provided with a vent hole communicating with the outside and the detection cavity.
4. The portable exhaust gas detection device according to claim 1, wherein an external thread is provided on an outer wall of the air inlet pipe, a connector is provided at one end of the universal hose, and the connector is provided with an internal thread adapted to the external thread.
5. The portable exhaust gas detection apparatus according to claim 1, wherein the other end of the universal hose is provided with an open suction nozzle.
6. The portable exhaust gas detection device according to claim 5, wherein the open suction nozzle is provided with a barrier net.
7. The portable exhaust gas detection apparatus according to claim 1, wherein a display screen is provided on a front surface of the apparatus main body.
8. The portable exhaust gas detection device according to claim 1, wherein a clip is provided on a rear surface of the device main body.
9. The portable exhaust detection device of claim 8, wherein the clip comprises a metal clip.
10. The portable exhaust gas detection device according to any one of claims 1 to 9, wherein corners of the device body are coated with a rubber sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221803495.8U CN217931588U (en) | 2022-07-13 | 2022-07-13 | Portable waste gas detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221803495.8U CN217931588U (en) | 2022-07-13 | 2022-07-13 | Portable waste gas detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217931588U true CN217931588U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221803495.8U Active CN217931588U (en) | 2022-07-13 | 2022-07-13 | Portable waste gas detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217931588U (en) |
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2022
- 2022-07-13 CN CN202221803495.8U patent/CN217931588U/en active Active
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