Multi-channel sampling device for motor vehicle tail gas detection

Abstract

The utility model discloses a multi-channel sampling device for motor vehicle tail gas detection, and relates to the technical field of motor vehicle tail gas detection. The multi-channel sampling device for motor vehicle tail gas detection comprises a sampling machine, a control assembly and a sampling assembly, the sampling machine comprises a machine body, a gas collecting bin and a filtering bin which are arranged in the machine body, a cabinet door arranged outside the gas collecting bin, and a replaceable filter element embedded in the filtering bin; the control assembly comprises a console, a display screen embedded in the front face of the console, and a control panel fixed to the upper end of the console. The sampling assembly comprises a connecting pipe, an extending corrugated pipe connected with the connecting pipe, a sampling pipe fixed at the end part of the extending corrugated pipe, and a sorting rack for storing and fixing the sampling pipe. According to the multi-channel sampling device, automatic sampling and control functions are integrated, manual operation steps are reduced, the sampling process is quicker and more efficient, multi-channel sampling can sample different discharge ports of a plurality of vehicles or the same vehicle at the same time, and the number of samples in single operation is increased, and the coverage range of the samples in single operation is widened.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motor vehicle exhaust detection technical field, especially a kind of multi-channel sampling device for motor vehicle exhaust detection. BACKGROUND

[0002] With the enhancement of global environmental protection consciousness, motor vehicle exhaust emission becomes one of the key fields of attention. Carbon monoxide (CO), nitrogen oxides (NOx), particulate matter (PM) and other pollutants contained in motor vehicle exhaust not only affect air quality, but also have negative effects on human health. Therefore, governments and relevant agencies have introduced strict exhaust emission standards and strengthened monitoring and management of motor vehicle exhaust emission. The traditional exhaust sampling method has the following problems:

[0003] The traditional exhaust sampling device can usually only sample a single vehicle or a single exhaust port. When multiple vehicles or multiple exhaust ports need to be detected simultaneously, the efficiency is low. In many cases, exhaust sampling relies on manual operation, including connecting the sampling pipe, starting the sampling equipment, monitoring the sampling process, etc. This not only increases the workload, but also is prone to errors due to human factors. Due to the lack of effective filtration system, the exhaust samples collected by traditional sampling devices may contain impurities, affecting the accuracy of subsequent analysis. In addition, poor sealing performance may cause external air to mix in, further reducing the authenticity of the samples.

[0004] Therefore, it is urgent to provide a multi-channel sampling device for motor vehicle exhaust detection to solve the above problems. SUMMARY

[0005] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a kind of multi-channel sampling device for motor vehicle exhaust detection, comprising a sampling machine, a control component mounted on the upper part of the sampling machine, and a sampling component equipped with the sampling machine;

[0007] The sampling machine includes a machine body, a gas collection bin and a filter bin arranged inside the machine body, a cabinet door arranged outside the gas collection bin, a replaceable filter element embedded inside the filter bin, a top plate fixed to the top of the machine body, and a handle fixed to the end of the top plate.

[0008] The control component includes a control console fixed to the upper side of the top plate, a display screen embedded in the front of the control console, and a control panel fixed to the upper end of the control console.

[0009] The sampling component includes a plurality of connection pipes connected to the filter bin, an extension bellows connected to the connection pipe, a sampling pipe fixed to the end of the extension bellows, and a storage and fixing arrangement for the sampling pipe.

[0010] The utility model further sets up, mobile wheel is fixed in the bottom of machine body, its mobile wheel is equipped with locking structure.

[0011] The utility model further sets up, built -in air exhaust drive is arranged in the gas collection storehouse, and the gas collection storehouse side is provided with ventilation area.

[0012] The utility model further sets up, handle is provided in the middle position of cabinet door edge, and locking knob is fixed to the outside side portion of filter core.

[0013] The utility model further sets up, the arrangement is fixed to the back bottom of machine body, and the arrangement is provided with a plurality of arc clamping ends, and the arc clamping end is adapted to sampling pipe.

[0014] The utility model further sets up, sampling pipe is connected with motor vehicle exhaust pipe, and sealing ring is equipped between sampling pipe and motor vehicle exhaust pipe.

[0015] The utility model has following beneficial effects:

[0016] 1, the utility model integrates automatic sampling and control function, reduces manual operation step, makes sampling process more rapid and efficient, and multiple channel sampling can sample different emission ports of multiple vehicles or same vehicle simultaneously, greatly improves the sample quantity and coverage range of single operation.

[0017] 2, the utility model through setting adjustable length's extension bellows, sampling pipe is conveniently connected to the exhaust pipe of different size and position, increases the versatility and adaptability of equipment, and the replaceable filter core built -in machine can effectively remove the impurity in tail gas, ensures that the sample collected is pure, is favorable to the accuracy of subsequent analysis work, the setting of locking knob makes the replacement of filter core become simple and fast, reduces the cost and difficulty of daily maintenance.

[0018] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

[0020] Fig. 1 It is the whole structure front view of the multiple channel sampling device for motor vehicle tail gas detection of the utility model.

[0021] Fig. 2 It is the whole structure rear view of the multi-channel sampling device for motor vehicle exhaust detection.

[0022] Fig. 3 It is the whole structure side view of the multi-channel sampling device for motor vehicle exhaust detection.

[0023] In the drawings, the component list represented by each sign is as follows:

[0024] 100, sampling machine; 101, machine body; 102, top plate; 103, moving wheel; 104, ventilation area; 105, cabinet door; 106, handle; 107, filter core; 108, locking knob; 109, handle; 200, control assembly; 201, control console; 202, control panel; 203, display screen; 300, sampling assembly; 301, connecting pipe; 302, extension bellows; 303, sampling pipe; 304, arrangement rack. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] EMBODIMENT

[0027] Please refer to Figs. 1-3 The utility model discloses a kind of multi-channel sampling device for motor vehicle exhaust detection, including sampling machine 100, control assembly 200 is fixed on the upper portion of sampling machine 100, and sampling assembly 300 equipped with sampling machine 100;

[0028] The sampling machine 100 includes machine body 101, gas collection bin and filter bin arranged in the inside of machine body 101, cabinet door 105 arranged outside gas collection bin, replaceable filter core 107 embedded in the inside of filter bin, top plate 102 fixed on the top of machine body 101, and handle 109 fixed on the end of top plate 102;

[0029] The control assembly 200 includes control console 201 fixed on the upper side of top plate 102, display screen 203 inlaid in the front of control console 201, and control panel 202 fixed on the upper side end of control console 201;

[0030] The sampling assembly 300 includes a plurality of connecting pipes 301 connected with the filter bin, an extension bellows 302 connected with the connecting pipes 301, a sampling pipe 303 fixed at the end of the extension bellows 302, and a storage rack 304 for storing the sampling pipe 303, the storage rack 304 being fixed to the back bottom of the body 101, and the storage rack 304 being provided with a plurality of arc-shaped clamping ends matched with the sampling pipe 303.

[0031] Specifically, the gas collection bin is provided with a gas suction drive, the side of the gas collection bin is provided with a gas exchange area 104, the edge of the cabinet door 105 is provided with a handle 106, and the outer side of the filter core 107 is fixed with a locking knob 108.

[0032] Further, the sampling pipe 303 is connected with the exhaust pipe of the motor vehicle, and a sealing ring is arranged between the sampling pipe 303 and the exhaust pipe of the motor vehicle, and the bottom of the body 101 is fixed with a movable wheel 103 provided with a locking structure.

[0033] The multi-channel sampling device for motor vehicle exhaust detection provided by the technical solution aims to provide an efficient, convenient and movable exhaust sampling solution. The specific description of the structure setting is as follows:

[0034] The sampling machine 100 as the core part of the whole device contains a gas collection bin and a filter bin, which are used to collect and preliminarily process the exhaust sample. The gas collection bin is provided with a gas suction drive, which can actively extract the exhaust gas. The gas exchange area 104 on the side helps to maintain the internal pressure balance, and the locking knob 108 is arranged to facilitate the replacement of the filter core 107.

[0035] The control assembly 200 is composed of a control console 201, a display screen 203 and a control panel 202, which provides a user interface to operate the device, monitor the sampling process, and possibly realize the data recording or transmission function.

[0036] The sampling assembly 300 includes the connecting pipes 301, the extension bellows 302 and the sampling pipe 303, which ensures that the motor vehicle exhaust pipe can be connected from multiple positions or angles. The multi-channel sampling capability makes it possible to sample from different vehicles or different exhaust ports of the same vehicle at the same time, increasing flexibility. The sealing ring ensures the accuracy of sampling, and the storage rack 304 is used to store the sampling pipe 303, improving the portability and neatness of the device.

[0037] When the sampling program is started, the suction drive in the gas collection bin starts to work, generating negative pressure to attract the exhaust gas into the body 101. The exhaust gas is collected after removing impurities by the filter element 107 in the filter bin. The control assembly 200 is responsible for the regulation of the whole process, including parameter setting, state display and possible data processing. After sampling is completed, the collected sample can be taken out for further laboratory analysis, or preliminary evaluation can be directly performed on the device.

[0038] The use steps of the multi-channel sampling device for detecting motor vehicle exhaust are as follows: the device is moved to the side of the motor vehicle to be detected, and the position is fixed through the locking structure; the locking knob 108 is loosened, and the filter element 107 is checked or replaced; then the sampling pipe 303 is connected to the exhaust pipe of the motor vehicle, ensuring good sealing, the sampling program is started through the control panel 202, the information on the display screen 203 is observed, the normal operation of sampling is confirmed, after sampling is completed, the sampling pipe 303 is disconnected, and is returned to the storage rack 304; if transfer is needed, the moving wheel 103 is unlocked, and the device is moved to the next target position.

[0039] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The preferred embodiments of the above disclosed application are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A multi-channel sampling device for motor vehicle exhaust detection, comprising a sampling machine (100), a control assembly (200) fixed on the upper part of the sampling machine (100), and a sampling assembly (300) provided on the sampling machine (100), characterized in that: the sampling machine (100) comprises a machine body (101), a gas collection chamber and a filter chamber arranged inside the machine body (101), a cabinet door (105) arranged outside the gas collection chamber, a replaceable filter element (107) embedded inside the filter chamber, a top plate (102) fixed on the top of the machine body (101), and a handle (109) fixed on the end of the top plate (102); the control assembly (200) comprises a control console (201) fixed on the upper side of the top plate (102), a display screen (203) embedded on the front of the control console (201), and a control panel (202) fixed on the upper end of the control console (201); the sampling assembly (300) comprises a plurality of connecting pipes (301) connected with the filter chamber, an extension bellows (302) connected with the connecting pipes (301), a sampling pipe (303) fixed on the end of the extension bellows (302), and an arrangement rack (304) for storing and fixing the sampling pipe (303).

2. The multi-channel sampling device for motor vehicle exhaust detection according to claim 1, wherein, The bottom of the machine body (101) is fixed with a movable wheel (103), and the movable wheel (103) is provided with a locking structure.

3. The multi-channel sampling device for motor vehicle exhaust detection according to claim 1, wherein, The gas collection chamber is provided with an air exchange area (104) on the side.

4. The multi-channel sampling device for motor vehicle exhaust detection according to claim 1, wherein, The cabinet door (105) is provided with a handle (106) at the middle position of the edge, and the filter element (107) is fixed with a locking knob (108) on the outside edge.

5. The multi-channel sampling device for motor vehicle exhaust detection according to claim 1, wherein, The arrangement rack (304) is fixed on the bottom of the back of the machine body (101), and is provided with a plurality of arc-shaped clamping ends which are matched with the sampling pipe (303).

6. The multi-channel sampling device for motor vehicle exhaust detection according to claim 1, wherein, The sampling pipe (303) is connected with the exhaust pipe of the motor vehicle, and is provided with a sealing ring between the sampling pipe (303) and the exhaust pipe of the motor vehicle.

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