CN216595000U - Environment-friendly automobile exhaust analyzer - Google Patents

Abstract

An environment-friendly automobile exhaust analyzer belongs to the technical field of environment-friendly detection, and comprises a shell, wherein a filter body is installed at the rear end of the shell, the filter body comprises a first limiting frame and a second limiting frame, the first limiting frame and the second limiting frame are clamped, a limiting pipe is fixedly connected to the inner bottom end of the first limiting frame, the filter body further comprises an internal thread pipe and a filter element, the filter element is sleeved on the internal thread pipe, the filter element and the internal thread pipe are positioned in the filter body, the filter body is communicated with the shell through an air inlet, a protective cover is installed in the shell, the protective cover is clamped with the shell through a clamping piece, a sensor is arranged in the protective cover, the filter element is sleeved on the sleeve and the internal thread pipe, sleeves with different widths are adopted for filter elements with different types, and accordingly installation of filter elements with different types is realized, the application of the analyzer in different environments is realized.

Description

Environment-friendly automobile exhaust analyzer

Technical Field

The utility model relates to the technical field of environment-friendly detection, in particular to an environment-friendly automobile exhaust analyzer.

Background

The tail gas analyzer adopts the principle of a non-spectroscopic infrared absorption method to measure the components of hydrocarbon, carbon monoxide and carbon dioxide in the exhaust gas discharged by a motor vehicle, measures the components of oxynitride and oxygen in the exhaust gas by using the principle of an electrochemical cell, and can calculate the excess air coefficient lambda according to the measured components of the carbon monoxide, the carbon dioxide, the hydrocarbon and the oxygen.

In the prior art, a patent with publication number CN206177806U discloses a tail gas analyzer, which belongs to the technical field of measurement and aims at preventing the temperature of an electric control box from being too high, and the technical proposal is that the tail gas analyzer comprises an analyzer body, a cooling air pipe, a straight-through plate joint and a needle valve, wherein the straight-through plate joint is fixed in a through hole on the box wall of the electric control box of the analyzer body, one end of the cooling air pipe is connected with a high-pressure air source, and the other end is connected with the straight-through plate joint through the needle valve, the utility model utilizes the cooling air pipe to continuously input cooling air into the electric control box of the analyzer body, utilizes the cooling air to cool a power panel and a main PC panel, not only can effectively prevent various faults caused by the overtemperature of a microprocessor, but also can avoid corrosive gas from entering the box body, so that the tail gas analyzer runs more stably, therefore, the reliability of the tail gas analyzer is improved, but the tail gas analyzer is used in different use occasions, the water filter needs to be replaced with the built-in large and small cylindrical filter elements according to actual use conditions, and the phenomenon that the filter elements shake in the water filter often exists in the installation of the filter elements of different models, so that the water filter is not beneficial to filtering, and therefore the environment-friendly automobile tail gas analyzer is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an environment-friendly automobile exhaust analyzer, which solves the problems in the background technology by sleeving a filter element on a sleeve and an internal threaded pipe.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an environment-friendly automobile exhaust analysis appearance, includes the casing, filter body is installed to the rear end of casing, filter body includes the spacing frame of first spacing frame and second, the spacing frame joint of first spacing frame and second, the spacing pipe of inner bottom fixedly connected with of first spacing frame, filter body still includes internal thread pipe and filter core, the filter core cup joints on the internal thread pipe, filter core and internal thread pipe are located filter body's inside.

As a further scheme of the utility model: the filter body is connected with the shell through the air inlet, the protective cover is arranged inside the shell and connected with the shell in a clamped mode through the clamping piece, and the sensor is arranged inside the protective cover.

As a still further scheme of the utility model: the bottom end of the internal thread pipe is fixedly connected with a sleeve, and the sleeve is sleeved on the limiting pipe.

As a still further scheme of the utility model: the two sides of the sleeve are provided with grooves, and the grooves are arranged in a semicircular shape.

As a still further scheme of the utility model: the both sides of first spacing frame are equallyd divide and are installed twisting pole respectively, twisting pole passes through gag lever post and first spacing frame threaded connection.

As a still further scheme of the utility model: the second limiting frame is rotatably connected with an adjusting rod, and the adjusting rod penetrates through the second limiting frame to be connected with the internal thread pipe through threads.

As a still further scheme of the utility model: the limiting rod is located the inside one end semicircular in shape of first spacing frame and sets up, the limiting rod is close to sheathed tube tip and recess looks adaptation.

As a still further scheme of the utility model: the front end fixedly connected with electronic display screen and a plurality of drive button of casing, signal connection between electronic display screen and a plurality of drive button, the top fixedly connected with handle of casing, the vent has been seted up in the left side of casing, the inside of casing is provided with power mouth, regulation and control mouth and zero gas filter.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the filter element is sleeved on the sleeve and the internal thread pipe, and sleeves with different widths are adopted for filter elements with different types, so that the installation of the filter elements with different types is realized, the application of the analyzer in different environments is realized, the stability between the sleeve and the internal thread pipe and the filter body is realized by adopting a mode of fixedly connecting the sleeve and the internal thread pipe, the influence of tail gas on the filter element in the flowing process is reduced, and the tail gas detection by the analyzer is facilitated.

2. Simultaneously, through adjusting the setting of pole and internal thread pipe, can realize the quick installation between filter core and first spacing frame and the spacing frame of second to promote the work efficiency of analysis appearance in tail gas testing process.

Drawings

Fig. 1 is a schematic perspective view of an environment-friendly automobile exhaust analyzer.

Fig. 2 is a rear view of the internal structure of fig. 1.

Fig. 3 is a schematic structural view of the filter body in fig. 2.

Fig. 4 is a partial structural view of the inside of fig. 3.

Fig. 5 is a schematic view of the state structure of fig. 4.

In the figure: 10. a housing; 11. an electronic display screen; 111. a drive button; 12. a handle; 13. a power port; 14. a control port; 15. a protective cover; 151. a clamping piece; 20. a filter body; 21. a first limit frame; 211. a limiting pipe; 22. a second limit frame; 221. adjusting a rod; 23. screwing the rod; 231. a limiting rod; 24. a sleeve; 241. a groove; 25. a filter element; 251. an internally threaded tube; 30. and a zero-gas filter.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.

Referring to fig. 1 to 5, in an embodiment of the present invention, an environment-friendly automobile exhaust analyzer includes a housing 10, a filter body 20 is installed at a rear end of the housing 10, the filter body 20 is capable of separating oil and water in a sample gas to be detected and filtering out dust, so as to achieve detection of smoke, an electronic display screen 11 and a plurality of driving buttons 111 are fixedly connected to a front end of the housing 10, the electronic display screen 11 displays data analyzed by the exhaust analyzer and controls the analyzer through the driving buttons 111, the electronic display screen 11 is in signal connection with the plurality of driving buttons 111, a handle 12 is fixedly connected to a top end of the housing 10, a vent is opened at a left side of the housing 10, a power supply port 13, a regulation and control port 14 and a zero gas filter 30 are arranged inside the housing 10, the power supply port 13 achieves electrical connection of the analyzer, the filter body 20 is in through connection with the housing 10 through the gas inlet, the internally mounted of casing 10 has protection casing 15, protects protection casing 15 passes through joint spare 151 and casing 10 joint, the inside of protection casing 15 is provided with the sensor, and the type of sensor is nitrogen oxide sensor and oxygen sensor, and protection casing 15 is used for nitrogen oxide sensor and oxygen sensor's protection, and nitrogen oxide sensor and oxygen sensor are used for the analysis that detects of tail gas.

The filter body 20 comprises a first limiting frame 21 and a second limiting frame 22, the first limiting frame 21 and the second limiting frame 22 are clamped, the inner bottom end of the first limiting frame 21 is fixedly connected with a limiting pipe 211, the filter body 20 further comprises an internal threaded pipe 251 and a filter element 25, the filter element 25 is sleeved on the internal threaded pipe 251, the bottom end of the internal threaded pipe 251 is fixedly connected with a sleeve 24, the sleeve 24 is sleeved on the limiting pipe 211, grooves 241 are formed in two sides of the sleeve 24, the grooves 241 are arranged in a semicircular shape, the two sides of the first limiting frame 21 are respectively provided with a twisting rod 23, the twisting rods 23 are in threaded connection with the first limiting frame 21 through limiting rods 231, the second limiting frame 22 is rotatably connected with an adjusting rod 221, and quick installation between the filter element 25 and the first limiting frame 21 and the second limiting frame 22 can be realized through the arrangement of the adjusting rod 221 and the internal threaded pipe 251, therefore, the working efficiency of the analyzer in the tail gas detection process is improved, the adjusting rod 221 penetrates through the second limiting frame 22 to be in threaded connection with the internal threaded pipe 251, one end, located inside the first limiting frame 21, of the limiting rod 231 is semicircular, the end, close to the sleeve 24, of the limiting rod 231 is matched with the groove 241, the filter element 25 is sleeved on the sleeve 24 and the internal threaded pipe 251, the sleeve 24 with different widths is adopted for the filter elements 25 of different models, installation of the filter elements 25 of different models is achieved, application of the analyzer in different environments is achieved, the sleeve 24 and the internal threaded pipe 251 are fixedly connected, stability between the sleeve 24 and the internal threaded pipe 251 and the filter body 20 is achieved, influence of the tail gas on the filter element 25 in the flowing process is reduced, and detection of the analyzer on the tail gas is facilitated.

It should be noted that, in the process of separating oil and water in the sample gas to be measured and filtering out dust, when the large and small cylindrical filter cores 25 arranged inside the filter body 20 need to be replaced according to actual use conditions, the twisting rod 23 is twisted to drive the limiting rod 231 to rotate, the end portion of the limiting rod 231 is controlled not to contact with the groove 241, so that the limiting of the limiting rod 231 on the sleeve 24 is released, then the clamping between the first limiting frame 21 and the second limiting frame 22 is released, the adjusting rod 221 is rotated to rotate the adjusting rod 221 out of the internal threaded tube 251, the limiting of the adjusting rod 221 between the internal threaded tube 251 and the second limiting frame 22 is solved, the filter core 25 and the internal threaded tubes 251 with different widths are replaced, the width of the internal threaded tube 251 is changed in the replacement process of the internal threaded tube 251, but the aperture of the internal threaded tube 251 is always matched with the adjusting rod 221.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides an environment-friendly automobile exhaust analysis appearance, includes casing (10), filter body (20) are installed to the rear end of casing (10), a serial communication port, filter body (20) are including first spacing frame (21) and the spacing frame of second (22), first spacing frame (21) and the spacing frame of second (22) joint, the interior bottom end fixedly connected with of first spacing frame (21) is managed (211), filter body (20) still include internal thread pipe (251) and filter core (25), filter core (25) cup joint on internal thread pipe (251), filter core (25) and internal thread pipe (251) are located the inside of filter body (20).

2. The environment-friendly automobile exhaust analyzer according to claim 1, wherein the filter body (20) is connected with the housing (10) through an air inlet, a protective cover (15) is installed inside the housing (10), the protective cover (15) is clamped with the housing (10) through a clamping piece (151), and a sensor is arranged inside the protective cover (15).

3. The environment-friendly automobile exhaust analyzer according to claim 1 or 2, wherein a sleeve (24) is fixedly connected to the bottom end of the internal threaded pipe (251), and the sleeve (24) is sleeved on the limiting pipe (211).

4. The environment-friendly automobile exhaust analyzer according to claim 3, wherein grooves (241) are formed in both sides of the sleeve (24), and the grooves (241) are arranged in a semicircular shape.

5. The environment-friendly automobile exhaust analyzer according to claim 4, wherein the first limit frame (21) is provided with twisting rods (23) on both sides thereof, and the twisting rods (23) are in threaded connection with the first limit frame (21) through limiting rods (231).

6. The environment-friendly automobile exhaust analyzer according to claim 5, wherein the second limiting frame (22) is rotatably connected with an adjusting rod (221), and the adjusting rod (221) penetrates through the second limiting frame (22) to be in threaded connection with the internal threaded pipe (251).

7. The environment-friendly automobile exhaust analyzer according to claim 6, wherein the end of the limiting rod (231) located inside the first limiting frame (21) is semicircular, and the end of the limiting rod (231) close to the sleeve (24) is matched with the groove (241).

8. The environment-friendly automobile exhaust analyzer according to claim 7, characterized in that the front end of the housing (10) is fixedly connected with an electronic display screen (11) and a plurality of driving buttons (111), the electronic display screen (11) is in signal connection with the plurality of driving buttons (111), the top end of the housing (10) is fixedly connected with a handle (12), the left side of the housing (10) is provided with a vent, and the housing (10) is internally provided with a power supply port (13), a regulation and control port (14) and a zero gas filter (30).

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