CN206132121U - Environment detection device - Google Patents

Abstract

The utility model discloses an environment detection device, include: the casing, the surface of this casing has a depressed part, the lid, this lid is located on the depressed part, and with the depressed part encloses a synthetic appearance chamber that communicates with the outside to and environmental sensor, this sensor install in hold the intracavity. The utility model discloses technical scheme is through establishing the depressed part on environment detection device's casing to establishing a lid at the depressed part upper cover and forming an appearance chamber that communicates with the external world, set up environmental sensor at this appearance intracavity, through this kind of setting, reduction environment detection device improves the accuracy of its testing result to environmental sensor's influence, and reduces environmental sensor damage risk.

Description

Environmental detection set

Technical field

This utility model is related to detection means field, more particularly to a kind of environmental detection set.

Background technology

At present, environment measuring equipment is mainly used in the environment measurings such as aerial temperature and humidity detection, PM2.5 and TVOC, in order to protect Senser element is generally leaked outside or is located at internally and increases fan, to reduce device interior temperature by the accuracy of card testing result The impacts of the factor to sensor such as liter.But device interior space is little, sensor is arranged on inside causes complex structure, increases into This, and leakage design makes equipment appearance globality poor, and easily sensor is caused to damage.

Utility model content

Main purpose of the present utility model is to propose a kind of environmental detection set, it is intended to improve the accurate of environmental detection set Property, and lower biography environment sensor damage risk.

For achieving the above object, the utility model proposes environmental detection set, including：Housing, the outer surface of the housing With a depressed part；Lid, the cover cap is on the depressed part, and encloses one and ft connection with the depressed part Cavity volume, and environmental sensor, the sensor are installed in the cavity volume.

Preferably, the sensor includes：Air mass sensor, the air mass sensor are arranged on the depressed part The position of the correspondence lid, and warm and humid sensor, the warm and humid sensor are arranged on the lid towards the depressed part Surface.

Preferably, the through hole that the bottom of the depressed part is offered through the housing and connected with the cavity volume, it is described Air mass sensor is located in the through hole, and is electrically connected with the PCB of the environmental detection set.

Preferably, the warm and humid sensor is electrically connected with the PCB by FPC.

Preferably, offer on the lid for making the air flow structure of the cavity volume and ft connection.

Preferably, the air flow structure is grid or hole.

Preferably, the lid is arranged in arch bridge shape, and the lid is crossed on the depressed part, and the cavity volume is described Lid both sides and ft connection.

Preferably, the both sides of the lid are provided with side wall, have interval described in two between side wall and the depressed part.

Preferably, the lid is detachably connected with the housing.

Preferably, one end of the lid is connected with the housing by buckle structure, the other end by screw with it is described Housing connects.

Technical solutions of the utility model are by setting depressed part on the housing of environmental detection set, and cover on depressed part and set One lid forms a cavity volume being in communication with the outside, and in the cavity volume arranges environmental sensor.By this set, environment is reduced Impact of the detection means to environmental sensor, improves the accuracy of its testing result, and lowers environmental sensor and damage risk.

Description of the drawings

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work Under, other accompanying drawings can be obtained with the structure according to these accompanying drawings.

Structural representations of the Fig. 1 for one embodiment of this utility model environmental detection set；

Fig. 2 is the structural representation at B in Fig. 1；

Cross section structure schematic diagrams of the Fig. 3 for Fig. 1；

Fig. 4 is the partial enlarged drawing at A in Fig. 3.

Drawing reference numeral explanation：

The realization of this utility model purpose, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belongs to the scope of this utility model protection.

If it is to be appreciated that relate in this utility model embodiment directivity indicate (such as upper and lower, left and right, it is front, Afterwards ...), then directionality indicates to be only used for explaining relative between each part under a certain particular pose (as shown in drawings) Position relationship, motion conditions etc., if the particular pose changes, directionality indicates also correspondingly to change therewith.

In addition, if the description of " first ", " second " etc. is related in this utility model embodiment, should " first ", " the Two " description etc. is only used for describing purpose, and it is not intended that indicating or implying its relative importance or implicit indicate indication The quantity of the technical characteristic for showing.Thus, define " first ", the feature of " second " can be expressed or implicitly include at least one Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill Personnel can be implemented as basis, will be understood that this technical side when the combination appearance of technical scheme is conflicting or cannot realize The combination of case is not present, also not within the protection domain that this utility model is required.

The utility model proposes a kind of environmental detection set 100, solves 100 internal medium of environmental detection set and environment is passed The impact of sensor, and reduce environmental sensor damage risk.

In this utility model embodiment, as shown in Figures 1 to 4, the environmental detection set 100 includes housing 10, the shell The outer surface of body 10 has a depressed part 11；Lid 20, the lid 20 are covered on depressed part 11, and are enclosed with depressed part 11 One is installed in cavity volume 70 with the cavity volume 70 of ft connection, and environmental sensor, the environmental sensor.

Specifically, by covering on depressed part 11 and fixing with lid 20 lid 20, formed together with depressed part 11 One comparatively cavity volume 70 with certain closure, and the cavity volume 70 is connected with external environment, the peace in cavity volume 70 Some environmental sensors are filled, some parameters of external environment are detected by these environmental sensors.Environmental sensor is installed In cavity volume 70, it is to avoid environmental sensor is unobstructedly directly exposed in external environment, reduce environmental sensor and be damaged Bad risk, and the internal medium by depressed part 70 by environmental sensor with environmental detection set 100 separates, reduce in Portion's environment produces interference to environmental sensor detection external environment, improves the accuracy of environmental sensor detection.Wherein, environment is passed Sensor can be one, or multiple, may be located at 11 bottom of depressed part and can also be located on lid 20, extraneous air There is good circulation in cavity volume 70, it is ensured that the environmental sensor in cavity volume 70 can accurately detect the ginseng of external environment Number.Lid 20 can be all to cover depressed part 11 when being covered on depressed part 11, it is also possible to simply cover depressed part 11 A part, and lid 20 can with it is domed can also concave or other shapes.To be further ensured that performance of ventilating in cavity volume, also Forced convection device, such as fan etc. can be increased.

Further, as shown in Figures 1 to 4, environmental sensor includes：Air mass sensor 30, installed in depressed part The position of the 11 correspondences lid；And warm and humid sensor 40, installed in lid 20 towards depressed part 11 surface.In order to ensure The aesthetic property of environmental detection set 100, and little cavity volume 70 more conducively protects sensor, so the space that cavity volume 70 is arranged must Surely there is certain limitation, cavity volume 70 can be less, is so mounted respectively to air mass sensor 30 and warm and humid sensor 40 Depressed part 11 is cheated on bottom and lid 20, preferably using the space in cavity volume 70, and can avoid two sensorses each well From electrical wiring interfere and wind, be easily installed and overhaul.Wherein air mass sensor 30 is used for detecting external environment Gas parameter, such as particulate matter (such as PM2.5 etc.), the composition of gas, certain gas concentration are (such as sulfur dioxide, carbon dioxide, formaldehyde Deng) etc.；Warm and humid sensor 40 is used to detect temperature and humidity in environment.Warm and humid sensor installation 40 is being filled away from sensor Put on the lid 20 of 100 internal medium, warm and humid sensor 40 can be surveyed with the maximized internal medium for reducing sensor device The accuracy of amount affects.Wherein, warm and humid sensor 40 should be arranged on the center of lid 20.Certainly, 30 He of air mass sensor Warm and humid sensor 40 can also be other kinds of sensor, for detecting the other parameters of external environment.

Preferably, as shown in Figure 2, Figure 4 shows, the bottom of depressed part 11 is offered through the housing 10 and is connected with cavity volume 70 Through hole 111, air mass sensor 30 is located in through hole 111, and electrically connected with the PCB60 of environmental detection set 100.Recessed PCB60 is installed, so by connect with PCB60 and cavity volume 70 logical being provided with 11 bottom of depressed part at the outer bottom in sunken portion 11 Hole 111, it is possible to which air mass sensor 30 is placed in through hole 111, makes 30 one end of air mass sensor connect with PCB60 Connect, so avoid electric lead connection air mass sensor 30 is arranged in cavity volume 70, simplify installation, it is to avoid with it is warm and humid Interference between 40 electrical connection of sensor, easy access and maintenance.Wherein, air mass sensor 30 may be located at through hole 111 Bottom, in through hole 111, or stretching out through hole 111 makes one part be located at 70 in cavity volume.

Preferably, as shown in figure 4, warm and humid sensor 40 is electrically connected with PCB60 by FPC50.Connect temperature using FPC50 Wet sensor 40 and PCB60, can simplify installation.And on the downside of depressed part 11, and a confession is provided with 20 place of abutting of lid The via 12 that FPC50 is passed through, and on 20 inner surface of lid, from 40 installation place of warm and humid sensor to being provided with via 12 The fixing groove (can also be other common solidus modes, such as bond etc.) of fixed FPC50, one end of FPC50 and warm and humid sensing After 40 grafting of device, the inner surface along lid 20 in the fixing groove extends to via 12, then passes through via 12 and connects with PCB60 It is logical.

Preferably, in one embodiment, offer on lid 20 for tying cavity volume 70 and the air circulation of ft connection Structure.The air flow structure on lid 20, produces convection current between making in outside air and cavity volume 70, it is ensured that good in cavity volume 70 Air circulation performance, thus enables the sensor in cavity volume 70 more accurately detect rapidly the ambient parameter in the external world.Wherein, Air flow structure can be symmetrical arranged, and preferably ensure the air permeability of cavity volume 70, and air flow structure should avoid increasing cavity volume The risk that 70 inner sensors are damaged.

Preferably, air flow structure is grid or hole.Air flow structure can be provided in the lattice on lid 20 Grid or hole, or other common ventilations are arranged.This set is easy for installation, low cost, can be with 20 one of lid Molding.

Preferably, in another embodiment, as shown in Figures 1 to 4, lid 20 is arranged in arch bridge shape, and lid 20 is crossed on On the depressed part 11, cavity volume 70 is in 20 both sides of lid and ft connection.This arch bridge structure is arranged, can be with depressed part 11 1 Rise and form 70 space of cavity volume as big as possible, it is beneficial to the air circulation performance in cavity volume 70 and circular with the present embodiment The outward appearance of environmental detection set 100 be adapted.This set makes the simple structure of lid 20, lower when lid 20 makes into This.

Preferably, the both sides of lid 20 are provided with side wall, have interval between two side and depressed part.By so setting, Make cavity volume can be good at being in communication with the outside, be further ensured that the air circulation performance of cavity volume.

Preferably, as shown in figure 4, lid 20 is detachably connected with housing 10.Lid 20 is detachably connected with housing 10 Installation, and the maintenance and replacing of the sensor being easy in cavity volume 70, convenient use can be greatly simplified.When mounted, in lid Before 20 buckle closure of body, warm and humid sensor 40 is pre-installed on the medial surface of lid 20, it is then again that lid 20 is solid with housing 10 It is fixed.

Preferably, as shown in figure 4, one end of lid 20 is connected with housing 10 by buckle structure, the other end passes through screw 13 are connected with housing.A buckle 22 and a screw hole column 21 are respectively provided with the corresponding upper and lower both sides of lid 20, on the housing 10 phase The button hole that is adapted and screw are arranged on corresponding position, and (wherein screw hole column 21 can be upper, it is also possible under, left in lid 20 Right or other positions can also).When mounted, first the buckle 22 of lid 20 is snapped in the button hole of housing, then by screw hole column 21 with screw to connecting, then screw 13 is tightened from the side of screw insertion screw hole column 21, so as to complete lid 20 and shell The installation of body 10 is fixed.

Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, It is every under inventive concept of the present utility model, the equivalent structure made using this utility model description and accompanying drawing content is become Change, or directly/be used in indirectly other related technical fields and be included in scope of patent protection of the present utility model.

Claims (10)

1. a kind of environmental detection set, it is characterised in that include：

Housing, the outer surface of the housing have a depressed part；

Lid, the cover cap are located on the depressed part, and the cavity volume of and ft connection is enclosed with the depressed part, with And

Environmental sensor, the sensor are installed in the cavity volume.

2. environmental detection set as claimed in claim 1, it is characterised in that the sensor includes：

Air mass sensor, the air mass sensor are arranged on the position of the depressed part correspondence lid, and

Warm and humid sensor, the warm and humid sensor are arranged on surface of the lid towards the depressed part.

3. environmental detection set as claimed in claim 2, it is characterised in that the bottom of the depressed part is offered through described Housing the through hole connected with the cavity volume, the air mass sensor be located at the through hole in, and with the environment measuring The PCB electrical connections of device.

4. environmental detection set as claimed in claim 3, it is characterised in that the warm and humid sensor passes through the FPC and PCB Electrical connection.

5. the environmental detection set as described in any one in Claims 1-4, it is characterised in that offer on the lid For making the air flow structure of the cavity volume and ft connection.

6. environmental detection set as claimed in claim 5, it is characterised in that the air flow structure is grid or hole.

7. the environmental detection set as described in any one in Claims 1-4, it is characterised in that the lid is in arch bridge shape Arrange, the lid is crossed on the depressed part, and the cavity volume is in the lid both sides and ft connection.

8. the environmental detection set as described in any one in Claims 1-4, it is characterised in that the both sides of the lid set There is side wall, there is between side wall and the depressed part described in two interval.

9. environmental detection set as claimed in claim 7, it is characterised in that the lid is detachably connected with the housing.

10. environmental detection set as claimed in claim 9, it is characterised in that one end of the lid by buckle structure with The housing connection, the other end are connected with the housing by screw.