CN214472939U

CN214472939U - Gas monitoring assembly

Info

Publication number: CN214472939U
Application number: CN202023235436.9U
Authority: CN
Inventors: 金民; 王雨池; 韩业明; 季天赐; 张新泉
Original assignee: Qixingpiaochong Environment Technology Suzhou Co ltd
Current assignee: Qixingpiaochong Environment Technology Suzhou Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-22
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a gas monitoring subassembly, gas monitoring subassembly includes closing device, sealing device, gas sensor to and second PCB board, gas sensor's pin sets up on the second PCB board, and gas sensor upper portion is arranged in to sealing device, forms integrative gas cavity between sealing device and the gas sensor, gas monitoring subassembly can provide stable air current to guarantee the accuracy that detects harmful gas in the atmosphere.

Description

Gas monitoring assembly

Technical Field

The utility model relates to an atmospheric pollutants monitoring technology field especially relates to a gas monitoring subassembly.

Background

Atmospheric pollution refers to substances in the atmosphere such as floating particles, CO and NO_x、O₃、SO₂And when the content of the TVOC reaches a certain degree, the TVOC causes harm to people or objects, and the survival and development of human beings are seriously influenced. Therefore, only by accurately measuring the pollutants in the atmosphere and effectively analyzing the content of the components of the atmospheric pollutants, the necessary basis can be provided for controlling and preventing the atmospheric pollution. At present, the harmful gases are generally measured by adopting an electrochemical sensor, when the electrochemical sensor is used for detecting, the electrochemical sensor is directly contacted with the gases in the atmosphere, and because the gases in the nature are influenced by wind speed and air pressure greatly, the stability of the air flow flowing into the electrochemical sensor cannot be ensured, so that the accuracy of detecting the pollutants by the sensor is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the utility model adopts the following technical proposal: a gas monitoring assembly 13, the gas monitoring assembly 13 comprises a pressing device, a sealing device 7, a gas sensor 8 and a second PCB 1333, wherein a pin of the gas sensor 8 is arranged on the second PCB 1333, the sealing device 7 is arranged on the upper part of the gas sensor 8, and an integrated gas chamber is formed between the sealing device 7 and the gas sensor 8.

Preferably, the pressing means is press-fitted on the upper portion of the sealing means 7 for enhancing airtightness between the gas sensors 8 formed between the sealing means 7.

Preferably, the pressing means is a pressing piece 1332, and the pressing piece 1332, the sealing means 7, the gas sensor 8 and the second PCB 1333 are formed as a single body.

Preferably, the second PCB 1333 is fixedly disposed on the first PCB 4, and the second PCB 1333 is electrically connected to the first PCB 4.

Preferably, a certain distance is kept between the second PCB 1333 and the first PCB 4.

Preferably, the sealing means 7 comprise a sealing cap 71 and a sealing ring 72, said sealing ring 72 being arranged inside the sealing cap 71.

Preferably, one surface of the sealing device 7 is provided with a receiving portion 712 matched with the gas sensor 8 for receiving the gas sensor 8, a lower portion of the receiving portion 712 is provided with a gas chamber 713, and the sealing device 7 is provided with a gas passage 711 communicated with the gas chamber 713.

Preferably, the gas chamber 713 is surrounded by a groove 714 that mates with the sealing ring 72, the groove 714 receiving the sealing ring 72.

Preferably, the gas sensor 8 is an electrochemical sensor.

Preferably, the electrochemical sensor is one or a combination of a carbon monoxide electrochemical sensor, a carbon dioxide electrochemical sensor, a nitrogen oxide electrochemical sensor and a sulfur dioxide electrochemical sensor.

To sum up, use the technical scheme of the utility model, following beneficial effect has

1. The utility model discloses a 6 suction methods of air pump supply with gas monitoring subassembly 133 gas, gas monitoring subassembly 133 can provide stable air current to guarantee the accuracy that detects harmful gas in the atmosphere

2. The utility model discloses closing device pressfitting sets up on sealing device 7's upper portion, can strengthen forming the gas tightness between the gas sensor 8 between the sealing device 7.

3. The utility model discloses keep certain interval on second PCB board 1333 and between the first PCB board 4, can avoid the heat that first PCB board 4 produced in the course of the work to cause the influence to gas sensor 8 detection precision.

Drawings

FIG. 1 is a schematic structural view of a gas monitoring assembly of the present invention;

FIG. 2 is an exploded view of the gas monitoring assembly of the present invention;

fig. 3 is a schematic structural view of the sealing structure and the gas sensor of the present invention;

fig. 4 is an exploded view of the sealing structure and gas sensor of the present invention;

fig. 5 is a schematic structural view of the sealing cover of the present invention;

fig. 6 is a schematic structural view of the air pump of the present invention;

FIG. 7 is a schematic structural diagram of the environment monitoring device of the present invention;

fig. 8 is an exploded view of the environment monitoring apparatus of the present invention;

fig. 9 is a schematic view of the fixing member of the present invention;

fig. 10 is an exploded view of the present invention;

fig. 11 is a schematic structural view of the cover body of the present invention;

fig. 12 is a schematic structural diagram of the middle plate of the present invention;

FIG. 13 is another view of FIG. 12;

fig. 14 is a schematic view of the environment monitoring device installed on the vehicle.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, a gas monitoring assembly 133 includes a pressing device, a sealing device 7, a gas sensor 8, and a second PCB 1333, pins of the gas sensor 8 are welded or inserted on the second PCB 1333, the sealing device 7 is disposed on the upper portion of the gas sensor 8, and an integrated gas chamber is formed between the sealing device 7 and the gas sensor 8, thereby providing gas required for detection to the gas sensor 8. Preferably, a pressing means is press-fitted on an upper portion of the sealing means 7 for enhancing airtightness between the gas sensors 8 formed between the sealing means 7. The pressing device is preferably a pressing piece 1332, the pressing piece 1332 is provided with a through hole 1335, and the second PCB 1333 at a position corresponding to the through hole 1335 of the pressing piece 1332 is provided with internal threads, so that the pressing piece 1332, the sealing device 7 and the gas sensor 8 can be fixed on the second PCB 1333 by using bolts, thereby integrating the pressing piece 1332, the sealing device 7, the gas sensor 8 and the second PCB 1333, and simultaneously increasing the pressure between the sealing device 7 and the gas sensor 8, so that the sealing performance between the sealing device 7 and the gas sensor 8 is better. The second PCB 1333 is provided with a through hole 1336, as shown in fig. 13, the through hole 1336 of the second PCB 1333 is fixed on the first PCB 4 by a bolt, and the second PCB 1333 is electrically connected to the first PCB 4 by a flat cable. Preferably, when the second PCB 1333 is fixed on the first PCB 4, a gasket 1331 is disposed between the second PCB 1333 and the first PCB, so that a certain distance is kept between the second PCB 1333 and the first PCB 4, thereby preventing heat generated by the first PCB 4 during operation from affecting the detection accuracy of the gas sensor 8.

As shown in fig. 2, 3, 4 and 5, a sealing device 7 is provided above the gas sensor 8, and the sealing device 7 includes a sealing cover 71 and a sealing ring 72. One side of the sealing device 7 is provided with an accommodating part 712 matched with the gas sensor 8 and used for accommodating the gas sensor 8, the lower part of the accommodating part 712 is provided with a gas chamber 713, a groove 714 matched with the sealing ring 72 is arranged around the gas chamber 713, the groove 714 is used for accommodating the sealing ring 72, the groove 714 is not communicated with the gas chamber 713, the sealing device 7 is provided with a gas channel 711 communicated with the gas chamber 713, so that the sealing cover 71 and the sealing ring 72 are pressed on the upper part of the gas sensor 8, the airtightness between the sealing device 7 and the gas sensor 8 is good, pollutants can enter the gas chamber 713 through the gas channel 711, then the pollutants enter the gas sensor 8 through the gas chamber 713, and the gas sensor 8 detects the content of the pollutants. The gas passage 711 may extend through both sides of the sealing cover 71, so that a plurality of sealing devices 7 may be sequentially connected by a pipeline for use when the content of various contaminants in the gas is to be detected.

In order to be able to specifically measure harmful gases in the atmosphere, the gas sensor 8 may be one of or any other type of electrochemical sensor for carbon monoxide, nitrogen oxide, sulfur dioxide.

The utility model discloses a can make gaseous monitoring subassembly 133 can provide more stable air current to guarantee to the accuracy that harmful gas detected in the atmosphere, preferentially adopt 6 suction methods of air pump to supply with gaseous monitoring subassembly 133 gaseous, as shown in fig. 6, air pump 6 include motor 61, gaseous empty portion 62 of receiving is connected with motor 61, gaseous empty portion 62 of receiving is equipped with air inlet 63, gas outlet 64 on receiving 62, gaseous empty portion 62 of receiving is equipped with mounting 65, mounting 65 is equipped with the through-hole, available bolt pass through the through-hole on mounting 65 like this with be equipped with the internal thread on the fixed medium plate 114 of air pump 6 on the medium plate 114. The air inlet 63 of the air accommodating part 62 is communicated with one end of the air channel 711 by a pipeline, and the other end of the air channel 711 is communicated with the air sampler 13 by a pipeline, so that an air path consisting of the air pump 6, the air monitoring component 133, the air sampler 13 and the pipeline is formed, and the air flowing through the air chamber 713 is stable under the action of the air pump 6, so that the influence of air speed and air pressure on the air in nature is avoided.

Gas monitoring subassembly 133 be used for environmental monitoring equipment 1, as shown in fig. 7 and fig. 8, environmental monitoring equipment 1 includes environmental monitoring equipment box 11, environmental monitoring equipment box 11 includes box 111 down, and lid 112 and detachably that the lid closed on box 111 down install the middle plate 114 in box 111 cavity down, be equipped with the through-hole on the middle plate 114, lower box 111 with through-hole relevant position department on the middle plate 114 is equipped with the internal thread, and available bolt passes like this through-hole on the middle plate 114 will on the box 111 about the middle plate 114 is fixed.

As shown in fig. 14, the environment monitoring device 1 is disposed on a vehicle 3 through a fixing bracket 2, and the fixing bracket 2 is a fixing bracket of a vehicle roof, which is generally used in the prior art, and is not described herein again. Preferably, the front end of the lower box 111 is wedge-shaped, and the front end of the wedge-shaped can reduce the resistance of the cart 3 in operation.

As shown in fig. 8, 9 and 10, a fixing member 113 is disposed on an outer side surface of the bottom of the lower case 111, the fixing member 113 includes an outer cover 1131 and an extension member 1132, the outer cover 1131 is in a U-shaped groove, a through hole is formed in a lower portion of the U-shaped groove, the outer cover 1131 is welded to the lower case 111, the outer cover 1131 is provided with a fixing hole 1134, the extension member 1132 is longer than the outer cover 1131, and a width of the extension member 1132 is smaller than an inner diameter of the outer cover 1131, so that the extension member 1132 can be placed inside the outer cover 1131; the extension member 1132 is provided at both ends thereof with slide grooves 1133, respectively. Under general conditions, directly utilize the bolt to pass through the through-hole of U type groove low part with box 111 fixes in fixed bolster 2 relevant position department down, but because the fixed bolster 2 size of different producers production is inconsistent, only use dustcoat 1131 sometimes can not fix box 111 on fixed bolster 2 down, the size of dustcoat 1131 and the corresponding fixed position of fixed bolster 2 is not matched with, under this condition, place extension 1132 in dustcoat 1131 to pass through fixed orifices 1134 with the bolt, fix extension 1132 inside dustcoat 1131, then fix extension 1132 on fixed bolster 2 through spout 1133 with the bolt, thereby fix environmental monitoring equipment 1 more conveniently, increased simultaneously the utility model discloses to the suitability of not unidimensional fixed bolster 2.

As shown in fig. 8 and 11, a sensor is disposed on the cover 112, a first PCB 4 and a 4G module are disposed on the middle plate 114, the sensor is electrically connected to the first PCB 4, the first PCB 4 is configured to receive data collected by the sensor and control the sensor to work, and the 4G module is controlled to send data received by the first PCB 4 to a cloud server. Preferably, a through hole is formed in the cover body 112, an internal thread is formed in the through hole, an external thread is formed at one end of the sensor, and the cover body 112 is connected with the sensor through a thread structure, so that the sensor is conveniently and firmly installed on the cover body 112, and the sensor is conveniently replaced when being damaged in the using process. It should be noted that, in the present invention, the 4G module has a positioning function, and the antenna 18 of the 4G module is fixed on the cover 112.

In the same place, when the pollutant discharge amount is certain, the change of the pollutant concentration in the atmosphere has close relation with meteorological factors, and in order to determine the relation between the change of the pollutant concentration in the atmosphere of the place and the meteorological factors, thereby predicting the possible value of the pollutant concentration in the atmosphere in a future period of time, the sensors are preferably any one or a combination of a wind speed sensor 121, a wind direction sensor 122, an air sampler 13, a noise sampler 14, a rainfall sensor 15, a nuclear radiation sensor 16, a light sensor 17 and a temperature and humidity sampler 19. The wind speed sensor 121, the wind direction sensor 122, the air sampler 13, the noise sampler 14, the rainfall sensor 15, the nuclear radiation sensor 16, the illumination sensor 17 and the temperature and humidity sampler are used for detecting meteorological factors, and the nuclear radiation sensor 16 is used for detecting the content of X and gamma rays.

As shown in fig. 8, 12 and 13, the middle plate 114 is provided with an air particulate monitor 131, the air particulate monitor 131 is communicated with the air sampler 13 through a pipeline, and meanwhile, the air particulate monitor 131 is electrically connected with the first PCB 4, so that in the driving process of the vehicle 3, pollutants in the air are sampled by the air sampler 13, then the sampled pollutants flow into the air particulate monitor 131 through the pipeline, the air particulate monitor 131 detects the collected pollutants, and simultaneously sends the detection result to the control unit in the first PCB 4, and the first PCB 4 sends the collected data to the cloud server through the 4G module in real time. For ease of installation, the piping that connects the airborne particle monitor 131 with the air sampler 13 here is preferably a hose (not shown). Preferably, the air particle monitor 131 is fixed on the middle plate 114 through a first hoop 132, through holes are formed at both ends of the first hoop 132, and internal threads are formed at positions of the middle plate 114 corresponding to the through holes at both ends of the first hoop 132, so that the first hoop 132 can be fixed on the middle plate 114 by bolts, thereby firmly fixing the air particle monitor 131 on the middle plate 114.

Preferably, a temperature and humidity monitor 191 is disposed on the middle board 114, the temperature and humidity sampler 19 is electrically connected to the temperature and humidity monitor 191, and the temperature and humidity monitor 191 is electrically connected to the first PCB 4. The temperature and humidity monitor 191 is fixed on the middle plate 114 through a second hoop 192, through holes are formed in two ends of the second hoop 192, and internal threads are formed in positions of the middle plate 114 corresponding to the through holes in the two ends of the second hoop 192, so that the second hoop 192 can be fixed on the middle plate 114 through bolts, and the air particulate monitor 131 can be firmly fixed on the middle plate 114.

As shown in fig. 12 and 13, the middle plate 114 is provided with a gas monitoring assembly 133 and an air pump 6, an air inlet of the gas monitoring assembly 133 is communicated with a lower end of the air sampler 13 through a pipeline, an air outlet of the gas monitoring assembly 133 is communicated with an air inlet 63 of the air pump 6 through a pipeline, and the gas monitoring assembly 133 is electrically connected with the first PCB 4. Like this air sampler 13, gas monitoring subassembly 133, air pump 6 passes through pipe connection and forms a gas circuit, under the effect of air pump 6, the pollutant gets into this gas circuit by air sampler 13, then the pollutant flows through gas monitoring subassembly 133, gas monitoring subassembly 133 detects the content of pollutant, and the control unit in first PCB board 4 is sent to the result that will detect simultaneously, first PCB board 4 and the data transmission who will gather through the 4G module in real time to the high in the clouds server. In order to enable the gas monitoring module 133 and the particulate air monitor 131 to share the air sampler 13, a three-way adapter may be connected to the lower end of the air sampler 13 to divide the air sampler 13 into two paths, one path is supplied to the gas monitoring module 133, and the other path is supplied to the particulate air monitor 131, so as to reduce the number of the air sampler 13.

In the use, environmental monitoring equipment 1 carries out data acquisition to pollutant content in the atmosphere to data transmission to the high in the clouds server through 4G module will gather in real time, and the high in the clouds server is saved the data of gathering, management software acquires data from the high in the clouds server, and presents the data of acquireing on the interface of management software client (not shown in the figure), thereby makes things convenient for the managers to observe environmental monitoring equipment 1 gathers data change situation, and sends relevant data information for the administrator in good time. It is to be noted that the data information includes the pollutant content in the atmospheric environment collected by the environment monitoring device 1 and the position information of the vehicle 3.

The utility model discloses a power is provided by car 3, for can giving the stable voltage of first PCB board 4, set up power stabiliser 5 on the medium plate 114, the wire is connected with power stabiliser 5 for the power of car 3, and power stabiliser 5 uses wire and first PCB board 4.

To sum up, the application the technical scheme of the utility model, following beneficial effect has:

1.1. the utility model discloses a 6 suction methods of air pump supply with gas monitoring subassembly 133 gas, gas monitoring subassembly 133 can provide stable air current to guarantee the accuracy that detects harmful gas in the atmosphere

While not specifically stated in the specification as being prior art or as being capable of implementation in any particular manner, it is to be understood that any modifications or variations may be resorted to as will be apparent to those skilled in the art, and that all such modifications or variations are intended to be encompassed by the scope of the invention as defined by the appended claims.

Claims

1. A gas monitoring assembly (13), characterized by: the gas monitoring assembly (13) comprises a pressing device, a sealing device (7), a gas sensor (8) and a second PCB (1333), wherein a pin of the gas sensor (8) is arranged on the second PCB (1333), the sealing device (7) is arranged on the upper portion of the gas sensor (8), and an integrated gas chamber is formed between the sealing device (7) and the gas sensor (8).

2. The gas monitoring assembly of claim 1, wherein: the pressing device is pressed on the upper part of the sealing device (7) and used for enhancing the air tightness between the gas sensors (8) formed between the sealing devices (7).

3. The gas monitoring assembly of claim 2, wherein: the pressing device is a pressing sheet (1332), the sealing device (7), the gas sensor (8) and the second PCB (1333) form a whole.

4. The gas monitoring assembly of claim 1, wherein: the second PCB (1333) is fixedly arranged on the first PCB (4), and the second PCB (1333) is electrically connected with the first PCB (4).

5. The gas monitoring assembly of claim 4, wherein: the second PCB (1333) and the first PCB (4) keep a certain distance.

6. The gas monitoring assembly of claim 1, wherein: the sealing device (7) comprises a sealing cover 71 and a sealing ring (72), wherein the sealing ring (72) is arranged inside the sealing cover 71.

7. The gas monitoring assembly of claim 6, wherein: one surface of the sealing device (7) is provided with an accommodating part (712) matched with the gas sensor (8) and used for accommodating the gas sensor (8), a gas chamber (713) is arranged at the lower part of the accommodating part (712), and the sealing device (7) is provided with a gas channel (711) communicated with the gas chamber (713).

8. The gas monitoring assembly of claim 7, wherein: a groove (714) matched with the sealing ring (72) is formed in the periphery of the gas chamber (713), and the groove (714) is used for accommodating the sealing ring (72).

9. The gas monitoring assembly of any of claims 1 to 8, wherein: the gas sensor (8) is an electrochemical sensor.

10. The gas monitoring assembly of claim 9, wherein: the electrochemical sensor is one or a combination of a carbon monoxide electrochemical sensor, a carbon dioxide electrochemical sensor, a nitrogen oxide electrochemical sensor and a sulfur dioxide electrochemical sensor.