CN215728043U

CN215728043U - Detection device for pollutant emission of motor vehicle

Info

Publication number: CN215728043U
Application number: CN202122174853.5U
Authority: CN
Inventors: 孟茜
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-01
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a detection device for motor vehicle pollutant emission, which comprises a collecting head, wherein the collecting head is conical, two groups of mounting rods are correspondingly arranged on the collecting head, a mounting ring is arranged between the two groups of mounting rods, a fixing component is arranged on the mounting ring, the conical tip of the collecting head is close to the fixing component, a connector is arranged on one side of the collecting head far away from the fixing component, a detection tube is arranged on one side of the connector far away from the collecting head, a five-gas analyzer is arranged on the detection tube, a detection probe of the five-gas analyzer penetrates through and extends into the detection tube, a purification component is arranged on one side of the detection tube far away from the connector, the air outlet of the motor vehicle can be blocked by the conical collecting head so as to adapt to the air outlets with different diameters, through the setting of fixed subassembly, swift with this novel fixing in exhaust port department, the installation is swift, also provides very big convenient for follow-up dismantlement.

Description

Detection device for pollutant emission of motor vehicle

Technical Field

The utility model relates to the technical field of motor vehicle pollutant detection, in particular to a detection device for motor vehicle pollutant emission.

Background

The automobile exhaust pollution mainly refers to harmful substances discharged after automobile fuels such as gasoline, diesel oil and the like, additives thereof and impurities are combusted, the automobile exhaust pollution contains hundreds of different compounds, the pollutants comprise solid suspended particles, carbon monoxide, carbon dioxide, hydrocarbons, oxynitride, lead and sulfur oxide, the exhaust directly harms human health and has a profound influence on the environment of human life, Chinese industry reconnaissance holds that the exhaust emission reaches the standard and becomes a hard index which must be met in the automobile annual inspection, so the automobile exhaust detection is carried out aiming at the negative influence of the automobile exhaust on the urban atmospheric environment and is one of the most direct and most effective means, and the currently used detection device also has the following defects:

1. at present, when the detection device is used for detecting the tail gas of the motor vehicle, the detection device is required to be fixedly installed on a tail gas pipe of the motor vehicle, the operation is very complicated, and great trouble is provided for subsequent disassembly;

2. the detection device that uses at present can't adapt to the blast pipe of different motor vehicles, leads to because can't adapt to the size of blast pipe when carrying out the exhaust-gas detection, leads to tail gas to leak, can't guarantee the degree of accuracy that detects.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a detection device for pollutant emission of a motor vehicle is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a detection device for motor vehicle pollutant emission, and aims to solve the technical problems that when the existing detection device detects the motor vehicle tail gas, the detection device needs to be fixedly installed on a motor vehicle tail gas pipe, the operation is very complicated, great troubles are provided for subsequent disassembly, the detection device cannot adapt to the exhaust pipes of different motor vehicles, the tail gas leakage is caused due to the fact that the detection device cannot adapt to the sizes of the exhaust pipes during tail gas detection, and the detection accuracy cannot be guaranteed.

The utility model is realized by the following steps:

the utility model provides a detection apparatus for be used for motor vehicle pollutant emission, includes the collection head, the collection head is the toper, it is provided with two sets of installation poles, two sets of to correspond on the collection head be provided with the collar between the installation pole, be provided with fixed subassembly on the collar, the toper pointed end of collection head is close to fixed subassembly, the collection head is kept away from that one side of fixed subassembly is provided with the connector, the connector is kept away from that one side of collecting the head is provided with the test tube, be provided with five gas analysis appearance on the test tube, the test probe of five gas analysis appearance runs through and extends to in the test tube, the test tube is kept away from that one side of connector is provided with the purification subassembly.

As a preferred technical scheme of the present invention, the fixing assembly includes two sets of fixing blocks, the two sets of fixing blocks are correspondingly disposed in the mounting ring, two sets of pull rods are disposed on the two sets of fixing blocks, the fixing blocks are disposed on the mounting ring through the two sets of pull rods, and pressure springs are sleeved on the two sets of pull rods and located between the fixing blocks and the mounting ring.

As a preferred technical scheme of the utility model, the two groups of fixed blocks are provided with anti-skid layers.

As a preferable technical scheme of the utility model, the purification assembly comprises an exhaust funnel, and a filter element and an activated carbon layer are sequentially arranged at one end of the exhaust funnel, which is close to the detection tube.

As a preferable technical solution of the present invention, the exhaust funnel is connected to the detection tube by a screw, and the detection tube is connected to the connector by a screw.

As a preferred technical scheme of the utility model, a flow equalizing plate is arranged in the detection pipe and is arranged at the port of the connector.

As a preferred technical solution of the present invention, the collecting head is provided with a sealing layer.

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

the collecting head is conical, so that the air exhaust port of the motor vehicle can be blocked by using the conical collecting head to adapt to the air exhaust ports with different diameters, certain applicability of the novel fixing device is improved, two groups of fixing blocks can move relatively through the arrangement of the fixing assembly, the two groups of fixing blocks can be contacted with the air exhaust port of the motor vehicle under the action of the pressure spring, the novel fixing device can be quickly fixed at the air exhaust port, the installation is quick, and great convenience is provided for subsequent disassembly;

after tail gas entered into the detecting tube through self pressure, detected tail gas through the effect of five gas analysis appearance, tail gas after the detection passes through the setting of purification subassembly, accomplishes to purify and discharges through the aiutage, has reduced the pollution to the environment, and is very practical.

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 device for detecting pollutant emissions from a motor vehicle according to the present invention;

FIG. 2 is a schematic diagram of an exploded view of a detection device for pollutant emissions from a motor vehicle according to the present invention;

FIG. 3 is a schematic structural view of a mid-section subassembly of a device for detecting pollutant emissions from a motor vehicle according to the present invention;

FIG. 4 is a schematic structural view of a mid-section subassembly of a device for detecting pollutant emissions from a motor vehicle according to the present invention;

FIG. 5 is a schematic structural view of a mid-section subassembly of a device for detecting pollutant emissions from a motor vehicle according to the present invention;

the corresponding relation between the names of the attachments and the numbers of the attached figures in the figure:

101. a collection head; 102. a connector; 103. a detection tube; 104. an exhaust funnel; 105. an activated carbon layer; 106. a filter element; 107. a five-gas analyzer; 108. detecting a probe; 109. a flow equalizing plate; 110. a sealing layer; 111. a pull rod; 112. a pressure spring; 113. an anti-slip layer; 114. mounting a rod; 115. a fixed block; 116. and (7) installing a ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example (b):

referring to fig. 1 to 4: a detection device for motor vehicle pollutant emission comprises a collecting head 101, wherein the collecting head 101 is conical, and because the collecting head 101 is conical, the air outlet of a motor vehicle can be blocked by the conical collecting head 101 to adapt to air outlets with different diameters, so that certain applicability of the device is increased;

the collecting head 101 is correspondingly provided with two groups of mounting rods 114, a mounting ring 116 is arranged between the two groups of mounting rods 114, a fixing component is arranged on the mounting ring 116, the conical tip of the collecting head 101 is close to the fixing component, the novel collecting head is quickly fixed at an exhaust port through the arrangement of the fixing component, the novel collecting head can adapt to exhaust ports with different diameters, the mounting is quick, and great convenience is provided for subsequent disassembly;

a connector 102 is arranged on the side of the collecting head 101 far away from the fixing component, a detection tube 103 is arranged on the side of the connector 102 far away from the collecting head 101, a five-gas analyzer 107 is arranged on the detection tube 103, a detection probe 108 of the five-gas analyzer 107 penetrates and extends into the detection tube 103, and a purification component is arranged on the side of the detection tube 103 far away from the connector 102;

after tail gas entered into the test tube 103 through self pressure, detected tail gas through the effect of five gas analysis appearance 107, tail gas after the detection passes through the setting of purification subassembly, accomplishes the purification discharge, has reduced the pollution to the environment, and the model of five gas analysis appearance 107 is MOT500, and response speed is fast, and measurement accuracy is high, and stability and repeatability are good.

Referring to fig. 1 and 2, the fixing assembly includes two sets of fixing blocks 115, the two sets of fixing blocks 115 are correspondingly disposed in the mounting ring 116, two sets of pull rods 111 are disposed on the two sets of fixing blocks 115, the fixing blocks 115 are disposed on the mounting ring 116 through the two sets of pull rods 111, pressure springs 112 are respectively sleeved on the two sets of pull rods 111, the pressure springs 112 are located between the fixing blocks 115 and the mounting ring 116, and the two sets of fixing blocks 115 are provided with anti-slip layers 113;

through breaking two sets of fixed blocks 115 off with the fingers and thumb for the motor vehicle blast pipe is located between two sets of fixed blocks 115, makes conical collecting head 101 block up the gas vent of motor vehicle again, accomplishes the sealed to the gas vent, avoids revealing the inaccuracy that causes the measured data, loosens two sets of fixed blocks 115, makes under pressure spring 112's effect, and two sets of fixed block 115 relative motion will this novel swift fix at the motor vehicle gas vent, also convenient with this novel fix on the gas vent of equidimension not, and is very practical.

Referring to fig. 2 and 5, the purification assembly includes an exhaust funnel 104, a filter element 106 and an activated carbon layer 105 are sequentially disposed at an end of the exhaust funnel 104 close to the detection tube 103, the detected gas enters an opening of the exhaust funnel 104, firstly, impurities contained in the gas are filtered by the filter element 106, and the filtered gas absorbs odor under the action of the activated carbon layer 105, so that pollution of the discharged gas to the environment is greatly reduced, and the purification assembly is very practical.

Referring to fig. 2, the exhaust funnel 104 is connected to the detection tube 103 through a screw thread, and the detection tube 103 is connected to the connector 102 through a screw thread, so that the detection tube 103 and the exhaust funnel 104 can be conveniently detached, the subsequent cleaning of the detection tube and the exhaust funnel can be conveniently performed, and the filter element 106 and the activated carbon layer 105 can be quickly replaced.

Referring to fig. 2 and 5, a flow equalizing plate 109 is disposed in the detecting tube 103, the flow equalizing plate 109 is disposed at the port of the connector 102, and after the gas passes through the connector 102, the gas passes through the detecting tube 103 uniformly under the action of the flow equalizing plate 109, so that the result obtained by the five-gas analyzer 107 is more accurate.

Referring to fig. 2, the collection head 101 is provided with a sealing layer 110, which effectively enhances the sealing between the collection head 101 and the exhaust port and prevents gas loss.

The method comprises the following operation steps:

firstly, two groups of fixed blocks 115 are broken off, so that the motor vehicle exhaust pipe is positioned between the two groups of fixed blocks 115, then the conical collecting head 101 blocks the exhaust port of the motor vehicle, the sealing of the exhaust port is completed, the inaccuracy of detection data caused by leakage is avoided, the two groups of fixed blocks 115 are loosened, so that the two groups of fixed blocks 115 move relatively under the action of the pressure spring 112, the novel structure is quickly fixed at the motor vehicle exhaust port, and the novel structure is also conveniently fixed at the exhaust ports with different sizes;

after the tail gas passes through the connector 102 under the pressure of the tail gas, the tail gas uniformly passes through the detection pipe 103 under the action of the flow equalizing plate 109, so that the result obtained by the five-gas analyzer 107 is more accurate, then the tail gas enters the detection pipe 103, the tail gas is detected under the action of the five-gas analyzer 107, the detected tail gas enters the mouth of the exhaust funnel 104, firstly, impurities contained in the gas are filtered through the filter element 106, and the odor in the gas is adsorbed under the action of the activated carbon layer 105 after the filtration, so that the pollution of the discharged gas to the environment is greatly reduced;

after the subsequent use, the detection tube 103 and the exhaust funnel 104 are disassembled, cleaned, and the filter element 106 and the activated carbon layer 105 are rapidly replaced.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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

1. A device for detecting pollutant emissions from a motor vehicle, characterized in that: including collecting head (101), collection head (101) are the toper, it is provided with two sets of installation pole (114) to correspond on collection head (101), and is two sets of be provided with between installation pole (114) collar (116), be provided with fixed subassembly on collar (116), the toper pointed end of collection head (101) is close to fixed subassembly, collection head (101) are kept away from that one side of fixed subassembly is provided with connector (102), connector (102) are kept away from that one side of collecting head (101) is provided with detecting tube (103), be provided with five gas analysis appearance (107) on detecting tube (103), the test probe (108) of five gas analysis appearance (107) run through and extend to in detecting tube (103), detecting tube (103) are kept away from that one side of connector (102) is provided with the purification subassembly.

2. The detection device for motor vehicle pollutant emissions according to claim 1, characterized in that: fixed subassembly includes two sets of fixed blocks (115), and is two sets of the setting that fixed block (115) correspond is in collar (116), two sets of all be provided with two sets of pull rod (111) on fixed block (115), fixed block (115) are through two sets of pull rod (111) wear to establish on collar (116), two sets of all the cover is equipped with pressure spring (112) on pull rod (111), pressure spring (112) are located fixed block (115) with between collar (116).

3. The detection device for motor vehicle pollutant emissions according to claim 2, characterized in that: and anti-skid layers (113) are arranged on the two groups of fixed blocks (115).

4. The detection device for motor vehicle pollutant emissions according to claim 1, characterized in that: the purification assembly comprises an exhaust funnel (104), and a filter element (106) and an activated carbon layer (105) are sequentially arranged at one end, close to the detection pipe (103), of the exhaust funnel (104).

5. The detection device for motor vehicle pollutant emissions according to claim 4, characterized in that: the exhaust funnel (104) is in threaded connection with the detection pipe (103), and the detection pipe (103) is in threaded connection with the connector (102).

6. The detection device for motor vehicle pollutant emissions according to claim 1, characterized in that: a flow equalizing plate (109) is arranged in the detection pipe (103), and the flow equalizing plate (109) is arranged at the port of the connector (102).

7. The detection device for motor vehicle pollutant emissions according to claim 1, characterized in that: a sealing layer (110) is arranged on the collecting head (101).