Miniature air quality monitoring device

Abstract

The utility model discloses a miniature air quality monitoring device which comprises a VOCs detector, a detection head hole and a detection head, the VOCs detector is internally provided with the detection head hole for accommodating the detection head, the detection head is of a structure capable of adjusting the air collection direction, and the miniature air quality monitoring device relates to the technical field of air quality monitoring. The detection head hole for accommodating the detection head is formed in the VOCs detector, the detection head is of a structure capable of adjusting the air collection direction, the conveying head, the insertion head and the connector are fixedly connected in sequence, one end of the connecting pipe is rotationally connected with the connector, and the other end of the connecting pipe is fixedly connected with the telescopic pipe. And one end, far away from the connecting pipe, of the telescopic pipe is fixedly connected with the collecting opening, so that the detection head can collect air in the flowing direction of the air in a narrow space where the VOCs detector cannot enter conveniently by adjusting the collecting direction of the connecting pipe in the gas detection process, and the air quality detection efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air quality monitoring technical field, concretely is a kind of micro air quality monitoring device. BACKGROUND

[0002] Air quality monitoring refers to the process of measuring and evaluating various pollutants in the air and their concentrations to understand air quality and provide a basis for environmental management, among which VOCs monitoring is the main monitoring means for air quality monitoring, therefore, volatile organic compounds (VOCs) refer to a class of organic compounds that are easy to volatilize at room temperature, and VOCs exist widely in many industrial and daily life products.

[0003] The patent with publication number CN208672029U discloses a micro air quality monitoring device, which specifically discloses a "micro air quality monitoring device related to environmental monitoring. The utility model is to solve the problems of large environmental monitoring equipment, large size, narrow detection range and low detection data accuracy. The lower cover has a plurality of through holes, and n sensors collect the analog signals of external air parameters through the through holes. The signal acquisition board is used to convert the analog signals of the air parameters into digital signals and transmit them to the main control board. The main control board transmits the air parameters to the server through a wireless network to realize real-time monitoring."

[0004] However, the sample collection effect of the device is not good for air detection in narrow places, and there is room for improvement. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a micro air quality monitoring device to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a micro air quality monitoring device, comprising a VOCs detector, a detection head hole and a detection head, the VOCs detector is internally provided with a detection head hole for accommodating the detection head, and the detection head is a structure that can adjust the air collection direction.

[0007] As a further scheme of the utility model: a micro air quality monitoring device further comprises a venturi tube, which is arranged inside the detection head and is used for accelerating air collection by the detection head.

[0008] As a further scheme of the present utility model: a miniature air quality monitoring device, the detection head includes conveying head, plug-in head, connecting head, connecting pipe, telescopic pipe and collection port, the conveying head, plug-in head and connecting head are sequentially fixedly connected, one end of the connecting pipe is rotatably connected with the connecting head, the other end is fixedly connected with the telescopic pipe, the end of the telescopic pipe away from the connecting pipe is fixedly connected with the collection port.

[0009] As a further scheme of the present utility model: a miniature air quality monitoring device, the detection head hole includes plug-in hole, spring sheet groove and contact spring sheet, the contact spring sheet is fixedly connected with the spring sheet groove, the plug-in head is expandedly connected with the contact spring sheet.

[0010] As a further scheme of the present utility model: a miniature air quality monitoring device, the contact spring sheet annular array is distributed in the inside of spring sheet groove.

[0011] As a further scheme of the present utility model: a miniature air quality monitoring device, the telescopic pipe is made of bellows.

[0012] Compared with the prior art, the present utility model has the beneficial effects that:

[0013] 1. Because the inside of VOCs detector is provided with detection head hole containing detection head, the detection head is the structure that can adjust air collection direction, and conveying head, plug-in head and connecting head are sequentially fixedly connected, one end of the connecting pipe is rotatably connected with the connecting head, the other end is fixedly connected with the telescopic pipe, the end of the telescopic pipe away from the connecting pipe is fixedly connected with the collection port, therefore in the process of gas detection, the collection direction of connecting pipe can be adjusted, so that the detection head can collect air along the flow direction of air in the narrow space inconvenient for the detection head to enter, and the efficiency of air quality detection can be improved.

[0014] 2. Because the detection head hole includes plug-in hole, spring sheet groove and contact spring sheet, the contact spring sheet is fixedly connected with the spring sheet groove, the plug-in head is expandedly connected with the contact spring sheet, therefore the detection head hole can be more closely connected in the process of plug-in of the detection head and VOCs detector, and the risk of separation of the detection head from VOCs detector when the detection head is pulled is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is one of the schematic diagram of the overall structure in the present utility model miniature air quality monitoring device;

[0016] Figure 2 It is the structural schematic diagram of detection head hole in the present utility model miniature air quality monitoring device;

[0017] Figure 3 It is the second schematic diagram of the overall structure in the present utility model miniature air quality monitoring device.

[0018] Figure 4 It is a structure schematic view of detection head in the micro air quality monitoring device of the utility model;

[0019] In the figure: 1, VOCs detector; 2, detection head hole; 21, plug-in hole; 22, spring slot; 23, contact spring; 3, detection head; 31, conveying head; 32, plug-in head; 33, connecting head; 34, connecting pipe; 35, telescopic pipe; 36, collection port; 4, venturi. DETAILED DESCRIPTION

[0020] 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0022] In the embodiments of the utility model, a micro air quality monitoring device, comprising a VOCs detector 1, a detection head hole 2 and a detection head 3, the inside of the VOCs detector 1 is provided with a detection head hole 2 accommodating the detection head 3, and the detection head 3 is a structure capable of adjusting the air collection direction.

[0023] The utility model discloses other embodiments: because the inside of VOCs detector 1 is provided with the detection head hole 2 of accommodating detection head 3, detection head 3 is the structure of adjustable air collection direction, and conveying head 31, plug-in head 32 and connecting head 33 are fixed connection in proper order, one end of connecting pipe 34 is rotatably connected with connecting head 33, and the other end is fixedly connected with telescopic pipe 35, and one end of telescopic pipe 35 away from connecting pipe 34 is fixedly connected with collection port 36, therefore in the process of gas detection, the collection direction of connecting pipe 34 can be adjusted, so that detection head 3 can follow the flow direction of air in the narrow space inconvenient for entering VOCs detector 1 and carry out air collection, and the efficiency of air quality detection can be improved.

[0024] As a further scheme of the utility model: a miniature air quality monitoring device further includes a venturi 4, the venturi 4 is arranged in the inside of detection head 3 and is used for detection head 3 to accelerate air collection.

[0025] As a further scheme of the utility model: a miniature air quality monitoring device, detection head 3 includes conveying head 31, plug-in head 32, connecting head 33, connecting pipe 34, telescopic pipe 35 and collection port 36, conveying head 31, plug-in head 32 and connecting head 33 are fixed connection in proper order, one end of connecting pipe 34 is rotatably connected with connecting head 33, and the other end is fixedly connected with telescopic pipe 35, and one end of telescopic pipe 35 away from connecting pipe 34 is fixedly connected with collection port 36.

[0026] As a further scheme of the utility model: a miniature air quality monitoring device, detection head hole 2 includes plug-in hole 21, spring groove 22 and contact spring 23, contact spring 23 is fixedly connected with spring groove 22, and plug-in head 32 is expanded with contact spring 23.

[0027] Other embodiments of the utility model: because detection head hole 2 includes plug-in hole 21, spring groove 22 and contact spring 23, contact spring 23 is fixedly connected with spring groove 22, and plug-in head 32 is expanded with contact spring 23, so that detection head 3 and VOCs detector 1 can be connected more closely in the process of plug-in, and the risk of separation of detection head 3 and VOCs detector 1 when pulling detection head 3 is avoided.

[0028] As a further scheme of the utility model: a miniature air quality monitoring device, contact spring 23 is annularly arranged in the inside of spring groove 22.

[0029] As a further scheme of the utility model: a miniature air quality monitoring device, telescopic pipe 35 is made of bellows.

[0030] The working principle of the utility model is: because the inside of VOCs detector 1 is provided with detection head hole 2 containing detection head 3, detection head 3 is the structure of adjustable air collection direction, and conveying head 31, plug-in head 32 and connecting head 33 are sequentially fixedly connected, one end of connecting pipe 34 is rotatably connected with connecting head 33, the other end is fixedly connected with telescopic pipe 35, one end of telescopic pipe 35 away from connecting pipe 34 is fixedly connected with collecting port 36, therefore in the process of gas detection, the collection direction of connecting pipe 34 can be adjusted, so that detection head 3 can collect air along the flow direction of air in the narrow space inconvenient for entering VOCs detector 1, and the efficiency of air quality detection can be improved.

[0031] Because detection head hole 2 includes plug-in hole 21, elastic sheet groove 22 and contact elastic sheet 23, contact elastic sheet 23 is fixedly connected with elastic sheet groove 22, plug-in head 32 is expanded connected with contact elastic sheet 23, therefore in the process of plug-in of detection head 3 and VOCs detector 1, detection head hole 2 can be more closely connected, and the risk of separation of detection head 3 and VOCs detector 1 when detection head 3 is pulled is avoided.

[0032] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A miniature air quality monitoring device, characterized in that, The application relates to a VOCs detector, which comprises a VOCs detector (1), a detection head hole (2) and a detection head (3), the inside of the VOCs detector (1) is provided with the detection head hole (2) for accommodating the detection head (3), and the detection head (3) is a structure capable of adjusting the air collection direction.

2. The miniature air quality monitoring device of claim 1, wherein, The application further comprises a venturi (4) arranged in the inside of the detection head (3) and used for accelerating the air collection of the detection head (3).

3. The miniature air quality monitoring device of claim 2, wherein, The detection head (3) comprises a conveying head (31), a plug-in head (32), a connecting head (33), a connecting pipe (34), an expansion pipe (35) and a collection port (36), the conveying head (31), the plug-in head (32) and the connecting head (33) are sequentially fixedly connected, one end of the connecting pipe (34) is rotationally connected with the connecting head (33), the other end is fixedly connected with the expansion pipe (35), and the end, which is away from the connecting pipe (34), of the expansion pipe (35) is fixedly connected with the collection port (36).

4. The miniature air quality monitoring device of claim 3, wherein, The detection head hole (2) comprises a plug-in hole (21), a spring groove (22) and a contact spring (23), the contact spring (23) is fixedly connected with the spring groove (22), and the plug-in head (32) is expandedly connected with the contact spring (23).

5. The miniature air quality monitoring device of claim 4, wherein, The contact spring (23) is annularly arranged in the inside of the spring groove (22).

6. The miniature air quality monitoring device of claim 5, wherein, The expansion pipe (35) is made of a bellows pipe.

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