CN206725531U - Double air duct formaldehyde examination devices - Google Patents

Abstract

The utility model discloses a kind of double air duct formaldehyde examination devices, including formaldehyde examination main body, liquid crystal display, a pair of air intake air ducts, multiple air intake grooves, multiple air-out grooves, multiple fixed screw grooves, battery compartment cover plate, switching toggle groove, stir power switch and multiple Operation switches；Formaldehyde examination main body includes the first detection housing and the second detection housing and fixed by screw through fixed screw groove, liquid crystal display, Operation switch are inlaid on the first detection housing, air intake air duct is located in formaldehyde examination main body, air intake groove is located on air intake air duct, air-out groove is located on the second detection housing, battery compartment plate cover is covered on battery compartment, and battery compartment cover plate is flushed with the second detection housing and relative slip；Power switch is stirred to be arranged on by switching toggle groove in the middle part of a side end face of formaldehyde examination main body.The utility model can increase the efficiency of air intake, so as to improve the efficiency of detection and precision, compact, hold more stable, conveniently.

Description

Double air duct formaldehyde examination devices

Technical field

It the utility model is related to a kind of detection device, more particularly to a kind of double air duct formaldehyde examination devices.

Background technology

Formaldehyde is widely used in the industries such as timber industry, textile industry, chemical engineering industry, because formaldehyde has excitant Smell, injury to health is also very big, and therefore, various countries also have strict for the content of formaldehyde applied in each field Standard.For the health of body, after the completion of many interior decorations all can PARA FORMALDEHYDE PRILLS(91,95) content carry out specialty detection, prior art Formaldehyde testing equipment volume is larger, heavier mass, and it is inconvenient to carry, and operation is more complicated, and air inlet is smaller and influences air intake and inspection Efficiency is surveyed, and cost is higher.

Utility model content

The purpose of this utility model：A kind of double air duct formaldehyde examination devices are provided, simple in construction, easy to use, cost is low.

To achieve these goals, the technical solution of the utility model is：

A kind of double air duct formaldehyde examination devices, including it is formaldehyde examination main body, liquid crystal display, a pair of air intake air ducts, multiple Air intake groove, multiple air-out grooves, multiple fixed screw grooves, battery compartment cover plate, switching toggle groove, stir power switch and multiple Operation switch；Described formaldehyde examination main body includes the first detection housing and the second detection housing, described multiple fixed screws Groove is recessed respectively inwards to be arranged on the rear end face of the second described detection housing, positioned at the top of the second described detection housing Both sides and middle part, the described first detection housing are connected and by described in multiple screws warp with the second described detection casing adaptor Multiple fixed screw grooves be fixed together；Described liquid crystal display is inlaid in the front end face of the first described detection housing On, positioned at the top of the first described detection housing, described multiple Operation switches are inlaid in the first described detection shell respectively On the front end face of body, positioned at the lower section of described liquid crystal display；A pair of described air intake air ducts are symmetrically arranged at described Formaldehyde examination main body on, positioned at the top both sides of described formaldehyde examination main body, a pair of described air intake air ducts is hollow Up-narrow and down-wide cylindrical structural, described multiple air intake grooves are string configuration and are disposed on a pair of described air intakes On air duct, radially uniform distribution of the described multiple air intake grooves along described air intake air duct；Described multiple air-out grooves point Not Wei strip structure, described multiple air-out grooves are longitudinally spaced respectively to be arranged in the second described detection housing Portion, described multiple air-out grooves are horizontally arranged at interval in the middle and upper part both sides of the second described detection housing respectively；Described Battery compartment, and the open rearward end of described battery compartment, described battery compartment cover plate adapter cover are set in the bottom of formaldehyde examination main body Cover at the open rearward end of described battery compartment, described battery compartment cover plate is flushed with the second described detection housing and slided relatively It is dynamic；Described switching toggle groove is arranged in the middle part of a side end face of described formaldehyde examination main body, positioned at the first described detection The junction of housing and the second described detection housing, described power switch of stirring are inlaid in by described switching toggle groove The sidepiece of described formaldehyde examination main body is simultaneously stirred up and down, and the described surface for stirring power switch is provided with anti-sliding burr.

Above-mentioned double air duct formaldehyde examination devices, wherein, the top of described formaldehyde examination main body is up-narrow and down-wide more Side shape structure, the bottom of described formaldehyde examination main body is rectangular configuration.

Above-mentioned double air duct formaldehyde examination devices, wherein, the surface of described formaldehyde examination main body is interval with a plurality of water The flat anti-sliding burr set, positioned at the both sides end face bottom of described formaldehyde examination main body.

Above-mentioned double air duct formaldehyde examination devices, wherein, the rear end face of the described second detection housing is provided with multiple back ofs the body Portion is raised, positioned at the edge of the second described detection housing.

Above-mentioned double air duct formaldehyde examination devices, wherein, cave inward and set on the front end face of the described first detection housing There is edge groove, edge of the described edge groove along the first described detection housing is set.

Above-mentioned double air duct formaldehyde examination devices, wherein, the edge of described liquid crystal display, which is provided with, is embedded in domatic side Edge, described liquid crystal display is set to be set to lower recess.

Above-mentioned double air duct formaldehyde examination devices, wherein, it is interval with the rear end face of described battery compartment cover plate multiple Anti-skid bulge, positioned at the upper center of described battery compartment cover plate.

The utility model can increase the efficiency of air intake, so as to improve the efficiency of detection and precision, compact, hold more steady It is fixed, conveniently.

Brief description of the drawings

Fig. 1 is the front view of the double air duct formaldehyde examination devices of the utility model.

Fig. 2 is the side view of the double air duct formaldehyde examination devices of the utility model.

Fig. 3 is the rearview of the double air duct formaldehyde examination devices of the utility model.

Embodiment

Embodiment of the present utility model is further illustrated below in conjunction with accompanying drawing.

Refer to shown in accompanying drawing 1 to accompanying drawing 3, a kind of double air duct formaldehyde examination devices, including formaldehyde examination main body, liquid crystal Show device 2, a pair of air intake air ducts 3, multiple air intake grooves 4, multiple air-out grooves 5, multiple fixed screw grooves 6, battery compartment cover plate 7, Switching toggle groove 8, stir power switch 9 and multiple Operation switches 10；Described formaldehyde examination main body includes the first detection housing 11 and the second detection housing 12, described multiple fixed screw grooves 6 be recesseds respectively inwards to be arranged on described second and detects housing On 12 rear end face, positioned at the top both sides and middle part of described second detection housing 12, the described first detection housing 11 with The second described detection adaptation of housing 12, which connects and passes through described multiple fixed screw grooves 6 by multiple screws, to be fixed together； Described liquid crystal display 2 is inlaid on the front end face of the first described detection housing 11, positioned at the first described detection housing 11 top, described multiple Operation switches 10 are inlaid on the front end face of the first described detection housing 11 respectively, positioned at institute The lower section for the liquid crystal display 2 stated；A pair of described air intake air ducts 3 are symmetrically arranged in described formaldehyde examination main body 1, Positioned at the top both sides of described formaldehyde examination main body, a pair of described air intake air ducts 3 are hollow up-narrow and down-wide cylinder Structure, described multiple air intake grooves 4 are string configuration and are disposed on a pair of described air intake air ducts 3, described Radially uniform distribution of multiple air intake grooves 4 along described air intake air duct 3；Described multiple air-out grooves 5 are respectively strip Structure, described multiple air-out grooves 5 longitudinally spaced middle and upper part for being arranged on the second described detection housing 12 respectively are described Multiple air-out grooves 5 are horizontally arranged at interval in the middle and upper part both sides of the second described detection housing 12 respectively；Described formaldehyde inspection Survey in the bottom of main body and set battery compartment, and the open rearward end of described battery compartment, the described adapter cover of battery compartment cover plate 7 is covered in institute At the open rearward end for the battery compartment stated, described battery compartment cover plate 7 is flushed with the second described detection housing 12 and relative slip； Described switching toggle groove 8 is arranged in the middle part of a side end face of described formaldehyde examination main body, positioned at the first described detection shell The junction of body 11 and described second detection housing 12, described to stir power switch 9 embedding by described switching toggle groove 8 Sidepiece mounted in described formaldehyde examination main body is simultaneously stirred up and down, and the described surface for stirring power switch 9 is provided with anti-sliding burr.

The top of described formaldehyde examination main body is up-narrow and down-wide polygonized structure, under described formaldehyde examination main body Portion is rectangular configuration, and the narrowed design in bottom is easy to hold.

The surface of described formaldehyde examination main body is interval with a plurality of horizontally disposed anti-sliding burr 13, positioned at described first Aldehyde detects the both sides end face bottom of main body, the hand-held the utility model that can more stablize.

The rear end face of the second described detection housing 12 is provided with multiple back projections 14, positioned at the second described detection shell The edge of body 12, anti-skidding, wear-resisting effect can be played, and be advantageous to the air-out and radiating at back.

Caved inward on the front end face of the first described detection housing 11 provided with edge groove 15, described edge groove 15 Set along the edge of the first described detection housing 11, good appearance, it can also be used to be embedded in the component of other auxiliary detections.

The edge of described liquid crystal display 2, which is provided with, is embedded in domatic edge 16, makes described liquid crystal display 2 to recessed Fall into and set, the structure of sunk type can play a part of protecting the surface of liquid crystal display 2.

Multiple anti-skid bulges 17 are interval with the rear end face of described battery compartment cover plate 7, positioned at described battery cabin cap The upper center of plate 7, anti-skidding effect can be played, be easy to promote folding battery compartment cover plate 7.

Built-in detection control chip of the present utility model can use model JCG63 formaldehyde examination chip, the formaldehyde HCHO is connected with detection chip（Formaldehyde）With PM2.5 sensors, using high sensitivity electrochemical sensor principle, with reference to monolithic Machine technology and network communications technology, by national standard phenol reagent method, use import to detection place collection air sample Photoelectric sensor, accuracy of detection are high, and Monitoring lower-cut is low, solve in electrochemical chamber that methylene oxide detecting instrument sensor zero point is easily drifted about, The shortcomings that easily being disturbed during sampling by other chemical gas, the utility model repeats no more.

In use, stirring power switch 9 pushes ON openings, multiple air intake grooves 4 on a pair of air intake air ducts 3 are simultaneously Air is imported by the micro air pump built in detection means shell, air boot speed is fast, and by detecting control chip control Each sensor is detected, and includes testing result on liquid crystal display 2 after detection, can use the model of prior art For LTD230QV display；The utility model can be opened by the SET for the multiple Operation switches 10 being connected with detection control chip Put row calibration into, set and reduce, press HCHO switches and can be used for detecting concentration of formaldehyde, press PM switches and can be used for detecting PM2.5 concentration；The utility model is powered using internal battery, and energy consumption is smaller, also reduces volume, alleviates weight, during use It is hand-holdable or be horizontally placed on desktop.

In summary, the utility model can increase the efficiency of air intake, so as to improve the efficiency of detection and precision, small volume Ingeniously, hold more stable, conveniently.

Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, Every equivalent structure transformation made using the utility model description, or it is directly or indirectly related with other are attached to The technical field of product, similarly it is included in scope of patent protection of the present utility model.

Claims (7)

1. A kind of 1. double air duct formaldehyde examination devices, it is characterised in that：Including formaldehyde examination main body, liquid crystal display, a pair of air intakes Air duct, multiple air intake grooves, multiple air-out grooves, multiple fixed screw grooves, battery compartment cover plate, switching toggle groove, stir power supply Switch and multiple Operation switches；Described formaldehyde examination main body includes the first detection housing and the second detection housing, and described is more Individual fixed screw groove is recessed respectively inwards to be arranged on the rear end face of the second described detection housing, positioned at the second described detection The top both sides of housing and middle part, the described first detection housing are connected and by multiple with the second described detection casing adaptor The described multiple fixed screw grooves of screw warp are fixed together；Described liquid crystal display is inlaid in the first described detection housing Front end face on, positioned at the top of described first detection housing, described multiple Operation switches are inlaid in described the respectively On the front end face of one detection housing, positioned at the lower section of described liquid crystal display；A pair of described air intake air ducts are respectively symmetrically set Put in described formaldehyde examination main body, positioned at the top both sides of described formaldehyde examination main body, a pair of described air intake air ducts For hollow up-narrow and down-wide cylindrical structural, described multiple air intake grooves are string configuration and are disposed on described On a pair of air intake air ducts, radially uniform distribution of the described multiple air intake grooves along described air intake air duct；It is described it is multiple go out Wind groove is respectively strip structure, and described multiple air-out grooves are longitudinally spaced respectively to be arranged on the second described detection housing Middle and upper part, described multiple air-out grooves are horizontally arranged at interval in the middle and upper part both sides of described second detection housing respectively； Battery compartment, and the open rearward end of described battery compartment, described battery compartment cover plate are set in the bottom of described formaldehyde examination main body Adapter cover is covered at the open rearward end of described battery compartment, and described battery compartment cover plate flushes simultaneously with the second described detection housing It is relative to slide；Described switching toggle groove is arranged in the middle part of a side end face of described formaldehyde examination main body, positioned at described the The junction of one detection housing and the second described detection housing, described power switch of stirring pass through described switching toggle groove It is inlaid in the sidepiece of described formaldehyde examination main body and stirs up and down, the described surface for stirring power switch is provided with anti-skidding convex Line.
2. 2. double air duct formaldehyde examination devices according to claim 1, it is characterised in that：Described formaldehyde examination main body it is upper Portion is up-narrow and down-wide polygonized structure, and the bottom of described formaldehyde examination main body is rectangular configuration.
3. 3. double air duct formaldehyde examination devices according to claim 1, it is characterised in that：The table of described formaldehyde examination main body Face is interval with a plurality of horizontally disposed anti-sliding burr, positioned at the both sides end face bottom of described formaldehyde examination main body.
4. 4. double air duct formaldehyde examination devices according to claim 1, it is characterised in that：After the second described detection housing End face is provided with the edge that multiple backs are raised, and housing is detected positioned at described second.
5. 5. double air duct formaldehyde examination devices according to claim 1, it is characterised in that：Before the first described detection housing Caved inward on end face provided with edge groove, edge of the described edge groove along the first described detection housing is set.
6. 6. double air duct formaldehyde examination devices according to claim 1, it is characterised in that：The edge of described liquid crystal display Place, which is provided with, is embedded in domatic edge, described liquid crystal display is set to lower recess.
7. 7. double air duct formaldehyde examination devices according to claim 1, it is characterised in that：The rear end of described battery compartment cover plate Multiple anti-skid bulges are interval with face, positioned at the upper center of described battery compartment cover plate.