CN107315073B - Air detection device - Google Patents
Air detection device Download PDFInfo
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- CN107315073B CN107315073B CN201710783516.1A CN201710783516A CN107315073B CN 107315073 B CN107315073 B CN 107315073B CN 201710783516 A CN201710783516 A CN 201710783516A CN 107315073 B CN107315073 B CN 107315073B
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- air
- frame
- detection device
- magnetic
- housing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
Abstract
The invention discloses an air detection device which comprises a detection main body, a frame and a rotating shaft. The detection body comprises a shell; the frame cover is established detect the periphery of main part the pivot is connected the casing with the frame, and detect the main part and wind the pivot is rotatable. Wherein, be provided with first magnetism on the casing and inhale the subassembly, be provided with second magnetism on the frame and inhale the subassembly, the casing with the frame passes through first magnetism is inhaled subassembly and second magnetism and is inhaled the cooperation of inhaling. The technical scheme of the invention prolongs the service life of the detection main body.
Description
Technical Field
The invention relates to the technical field of air detection, in particular to an air detection device.
Background
The existing air detection device is provided with an air inlet hole on a shell of a detection main body, and outside air can enter the detection main body through the air inlet hole, so that the air detection device can be detected by a sensor arranged in the detection main body.
The existing air detection device can not be stored, and inconvenience is brought to users.
Disclosure of Invention
The invention mainly aims to provide an air detection device, and aims to solve the problem that the existing air detection device is inconvenient to store.
In order to achieve the above object, the present invention provides an air detection device comprising:
a detection body comprising a housing;
the frame is sleeved on the periphery of the detection main body; and
a rotation shaft connecting the housing and the frame, and around which the detection body is rotatable;
wherein, be provided with first magnetism on the casing and inhale the subassembly, be provided with second magnetism on the frame and inhale the subassembly, the casing with the frame passes through first magnetism is inhaled subassembly and second magnetism and is inhaled the cooperation of inhaling.
Preferably, the casing has relative both sides face to and connect two the outer peripheral face of side, first magnetism is inhaled the subassembly and is set up in the outer peripheral face of casing, second magnetism is inhaled the subassembly and is set up in the internal surface of frame.
Preferably, the casing has relative both sides face, and connects two the outer peripheral face of side, the outer peripheral face of casing is equipped with first mounting groove in a concave way, the concave second mounting groove that is equipped with of internal surface of frame, first magnetism inhale the subassembly with the subassembly is inhaled to the second magnetism is inhaled the corresponding embedding of subassembly first mounting groove with the second mounting groove.
Preferably, the first magnetic attraction component and/or the second magnetic attraction component is/are flexible magnets.
Preferably, the first magnetic component is a magnetic metal component, and the second magnetic component is a magnet.
Preferably, the first magnetic component is a magnet, and the second magnetic component is a magnetic metal component.
Preferably, the first magnetic component and the second magnetic component are both magnets.
Preferably, a stopping portion is convexly arranged on the inner surface of the frame, the second magnetic attraction component is arranged on the stopping portion, and the first magnetic attraction component is used for being overlapped with the second magnetic attraction component when the detection main body rotates to be abutted against the stopping portion.
Preferably, the detection main body further comprises a sensor installed in the shell and used for detecting air quality, and an air inlet hole for allowing outside air to enter the shell is formed in the shell.
Preferably, the shell is provided with two opposite side surfaces and an outer peripheral surface connecting the two side surfaces, and the air inlet hole is arranged on one side surface of the shell; the shell is further provided with an air outlet hole, and the air outlet hole is formed in the outer peripheral surface.
Preferably, the joint of the detection body and the first frame forms point contact.
Preferably, the air detection device is a formaldehyde detector.
According to the technical scheme, the detection main body is rotatably arranged in the frame, the first magnetic suction assembly is arranged on the detection main body, the second magnetic suction assembly is arranged on the frame, and when a user needs to store the detection main body, the detection main body only needs to be rotated to enable the first magnetic suction assembly and the second magnetic suction assembly to be mutually magnetically sucked, so that on one hand, the frame can provide a protection effect for the detection main body, and the service life of the detection main body is prolonged; on the other hand, the collectability of the detection main body is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an air detecting device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the air detecting device of FIG. 1 in a storage state;
FIG. 3 is a schematic view of the air detecting device of FIG. 1 from another perspective;
FIG. 4 is an exploded view of the air detection assembly of FIG. 1;
FIG. 5 is a schematic structural diagram of an air detecting device according to another embodiment of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Figures 1 to 5 show a preferred embodiment and a variant embodiment of the air detection unit of the invention, with multiple modifications in these embodiments; in the detailed description, each modification thereof is described as an embodiment, and technical features between the following embodiments can be freely combined without structural interference and conflict. Where combinations of features are mutually inconsistent or impractical, such combinations should not be considered as being absent and not within the scope of the claimed invention.
The invention provides an air detection device. The air detection device can be used for detecting formaldehyde (namely a formaldehyde detector), can also be used for detecting CO, and can also be used for detecting CO2Or for detecting NH4 +The method can also be used for detecting methane (gas leakage), PM2.5 and SO2Nitrogen oxide, O3Or for detecting volatile substances such as benzene, phenol, and anthracene.
In the embodiment of the present invention, as shown in fig. 1 and 4, the air detection device 10 includes a detection main body 11, a frame 12, and a rotation shaft 14. The detection body 11 includes a housing 11 a; the frame 12 is sleeved on the periphery of the detection main body 11; the rotation shaft 14 connects the housing 11a and the frame 12, and the detection body 11 is rotatable about the rotation shaft 14. The housing 11a is provided with a first magnetic component 110, the frame 12 is provided with a second magnetic component 120, and the housing 11a and the frame 12 are magnetically matched with each other through the first magnetic component 110 and the second magnetic component 120.
Specifically, the casing 11a of the detection body 11 is provided in a substantially pie shape, and the detection body 11 has two opposite side surfaces and an outer peripheral surface connecting the two side surfaces. A PCB 11b is installed in the housing 11a, and the sensor 11c and a data transmission interface 13 (which may be a USB interface or a serial interface) are installed on the PCB 11 b. The data transmission interface 13 is extended from the shell 11a, and a user can be connected with a mobile phone through the data transmission interface 13, so that the air quality detection can be conveniently implemented.
The frame 12 may be provided in a ring shape, and the ring-shaped frame 12 may be a circular ring, a square ring, a triangular ring, a diamond ring, or the like. In addition, the annular frame 12 may be disposed in a semi-annular shape, that is, in addition to the annular frame 12, a notch is disposed on an edge portion of the frame 12, so that the annular frame 12 is open-loop (not in a closed annular shape). The ring frame 12 allows the detection body 11 to be more stably attached and to rotate more smoothly. The semi-annular frame 12 is provided with a notch, so that the air detection device 10 can be hung conveniently.
The rotation shaft 14 may be implemented in various ways, for example, after the rotation shaft 14 penetrates the detection body 11, the two ends of the rotation shaft are connected to the frames 12 respectively. For another example, the rotating shaft 14 includes two sub-rotating shafts 14 disposed on the outer peripheral surface of the detecting body 11, and the two sub-rotating shafts 14 are disposed oppositely and extend in opposite directions. For another example, the rotating shaft 14 is mounted to the detecting body 11, and only one end thereof protrudes from the housing 11a, and the protruding end of the rotating shaft 14 is connected to the frame 12. For another example, the rotating shaft 14 includes a boss disposed on the outer peripheral surface of the housing 11a, and the inner surface of the frame 12 is provided with a shaft groove engaged with the boss; alternatively, the shaft 14 includes a boss provided on the inner surface of the frame 12, and the outer peripheral surface of the housing 11a is provided in a shaft groove fitted to the boss.
There are various ways for the first magnetic assembly 110 and the second magnetic assembly 120 to magnetically attract each other. For example, one of the first magnetic component 110 and the second magnetic component 120 is a magnetic metal (e.g., iron, cobalt, nickel, or an alloy of any two or three of the three), and the other is a magnet. Alternatively, both the first magnetic attraction member 110 and the second magnetic attraction member 120 may be magnets.
It should be noted that, when the first magnetic attraction component 110 is a magnet, the frame 12 may be a magnetic attraction metal component as a whole, or a magnetic attraction metal component as a part, so as to serve as the second magnetic attraction component 120. Similarly, when the second magnetic component 120 is a magnet, the casing 11a of the detecting body 11 can be a magnetic metal component (such as stainless steel) as a whole, or a magnetic metal component as a part to serve as the first magnetic component 110.
The air detection device 10 has a housed state and a deployed state. When the user needs to detect the air quality, the detecting body 11 can be rotated to separate the first magnetic assembly 110 and the second magnetic assembly 120 from the magnetic attraction, and further, the detecting body 11 can swing around the rotating shaft 14. During the swing, outside air may rapidly enter the housing 11a to be detected by the sensor 11 c. After the user uses the air detecting device 10, the detecting body 11 can be rotated to make the first magnetic component 110 and the second magnetic component 120 correspond to each other, so that the detecting body 11 can be positioned in the frame 12 by the magnetic attraction between the first magnetic component 110 and the second magnetic component 120.
According to the technical scheme, the detection main body 11 is rotatably arranged in the frame 12, the first magnetic attraction component 110 is arranged on the detection main body 11, the second magnetic attraction component 120 is arranged on the frame 12, when a user needs to store the detection main body 11, the first magnetic attraction component 110 and the second magnetic attraction component 120 are attracted mutually only by rotating the detection main body 11, so that the frame 12 can provide a protection effect for the detection main body 11 on one hand, and on the other hand, the detection main body 11 is not easy to rotate out of the frame 12 under the magnetic attraction effect, so that the detection main body 11 can be prevented from colliding with foreign objects, and the service life of the detection main body 11 is further prolonged. Finally, the collectability of the detection main body 11 is also greatly improved, facilitating the carrying.
With continued reference to FIG. 1, in the above-described embodiment, the first magnetic attraction member 110 and the second magnetic attraction member 120 can be installed in various positions, for example, the frame 12 has an upper surface and a lower surface, and an inner surface connecting the upper surface and the lower surface. The second magnetic component 120 can be disposed on one of the upper and lower surfaces of the frame 12, the first magnetic component 110 is disposed on one side of the housing 11a, and when the detection main body 11 needs to be stored, the detection main body 11 only needs to be rotated, so that the first magnetic component 110 and the second magnetic component 120 are adapted to be magnetically attracted. In addition, the first magnetic attraction component 110 can be embedded into the housing 11a, and the second magnetic attraction component 120 can be embedded into the frame 12, or can be exposed. Considering that the main purpose of the first magnetic component 110 and the second magnetic component 120 is to position the detecting body 11 in the frame 12, in order to make the magnetic attraction effect between the first magnetic component 110 and the second magnetic component 120 better, in this embodiment, the first magnetic component 110 is disposed on the outer peripheral surface of the housing 11a, and the second magnetic component 120 is disposed on the inner surface of the frame 12. Thus, the area of the first magnetic component 110 corresponding to the area of the second magnetic component 120 is large, so that the magnetic area is large, the magnetic attraction force is strong, and the magnetic attraction effect is better.
Referring to FIG. 2, the first magnetic assembly 110 can be rigid or flexible, and the second magnetic assembly 120 can be rigid or flexible. For two rigid magnetic assemblies, the gap between them cannot be too large or too small. Too big in clearance, the dynamics of inhaling is not enough, detects 11 difficult fixes a position of main part. If the gap is too small, interference is likely to occur when the detection body 11 rotates. In view of this, in the present embodiment, the first magnetic attracting assembly 110 and/or the second magnetic attracting assembly 120 are flexible magnets. That is, at least one of the first magnetic assembly 110 and the second magnetic assembly 120 is a flexible magnet. Thus, the gap between the first magnetic attraction component 110 and the second magnetic attraction component 120 can be made as small as possible, even the gap is not kept between the two components, and the two components cannot interfere with each other. Note that the flexible magnet is formed integrally with the plastic by injection molding a fine magnet (or magnetic powder) case 11a into the plastic.
There are a variety of arrangements of the first magnetic assembly 110 and the second magnetic assembly 120. For example, the first magnetic attraction member 110 is protruded on the outer peripheral surface of the housing 11a, and the second magnetic attraction member 120 is protruded on the inner surface of the frame 12 (see fig. 2). However, since the space between the detecting body 11 and the frame 12 is limited, the first magnetic attraction component 110 and the second magnetic attraction component 120 are protruded on the corresponding surfaces thereof, which easily causes interference therebetween. In view of this, in this embodiment, referring to fig. 1, 3 and 4, a first mounting groove is concavely formed on an outer circumferential surface of the housing 11a, a second mounting groove is concavely formed on an inner surface of the frame 12, and the first magnetic attraction component 110 and the second magnetic attraction component 120 are correspondingly embedded in the first mounting groove and the second mounting groove.
In another preferred embodiment, in order to make the receiving effect of the detecting main body 11 better (not easy to rotate out), in this embodiment, a stop portion (not shown) is disposed on the inner surface of the frame 12, the second magnetic component 120 is disposed on the stop portion, and the first magnetic component 110 and the second magnetic component 120 are overlapped. Before the stopper is not provided, the detection main body 11 may be turned clockwise or may be turned counterclockwise. In addition, there is a gap between the first magnetic component 110 and the second magnetic component 120, so the magnetic force between the two components is common. After setting up backstop portion, detect main part 11 can with the backstop portion butt to detect main part 11 and can only follow a direction upset (clockwise or anticlockwise), on the basis of detecting main part 11 and backstop portion butt, first magnetism is inhaled subassembly 110 and second magnetism and is inhaled subassembly 120 and can be in the direct overlap joint of rotation direction, thereby, the two absorption dynamics is stronger.
In a preferred embodiment, referring to fig. 5, in order to facilitate the external air to enter the housing 11a, the housing 11a has an air inlet hole 111 and an air outlet hole 111 ', the air inlet hole 111 is disposed on one side surface thereof, and the air outlet hole 111' is disposed on the outer circumferential surface of the housing 11 a.
In the above embodiment, the positions of the air outlet holes 111' and the air inlet holes 111 are not limited. Of course, in order to prevent the air flow in the housing 11a from flowing out and then entering the housing 11a through the air inlet hole 111, the larger the distance between the air inlet hole 111 and the air outlet hole 111', the better. Namely: the air outlet 111 'is opposite to the air inlet 111, that is, the air inlet 111 is disposed on one side surface of the housing 11a, and the air outlet 111' is disposed on the other side surface. Thus, when external air enters the housing 11a, the air in the housing 11a can flow out from the air outlet 111' quickly, and after the external air enters the housing 11a, the external air cannot be influenced by the original air in the housing 11a, so that the detection accuracy of the detection main body 11 is higher.
Although the air outlet hole 111 ' is disposed opposite to the air inlet hole 111 to prevent air leakage (the air flow in the housing 11a flows out and then enters the housing 11a through the air inlet hole 111), if the air outlet hole 111 ' is disposed on one side surface, the air inlet hole 111 and the air outlet hole 111 ' are both in a windward state when the detection main body 11 rotates. Therefore, the airflow in the housing 11a is less likely to flow out, and the outside airflow is less likely to enter the housing 11 a. In view of this, in the present embodiment, the air inlet holes 111 are provided in the side surface of the housing 11a, and the air outlet holes 111' are provided in the outer circumferential surface of the housing 11 a. Thus, when the detection main body 11 rotates, the side faces the wind, the airflow flows into the housing 11a along the air inlet hole, the gas in the housing 11a flows out from the outer peripheral surface along the air outlet hole 111', and the air resistance of the airflow in the flowing-out process is small.
With continued reference to fig. 5, in order to reduce the overall rotational resistance of the air detection device 10, in the present embodiment, the detection body 11 is in point contact with the frame 12. That is, the outer wall surface of the detection body 11 is formed with a protrusion through which the frame 12 is contacted (the inner surface of the frame 12 may be provided with a stopper groove in which the protrusion is fitted). After the point contact, the two in contact with each other can ensure that the detection main body 11 can be in rotating connection with the frame 12 in real time without redundant fixing parts.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (12)
1. An air detection device, comprising:
the detection device comprises a detection main body and a control module, wherein the detection main body comprises a shell, a PCB is arranged in the shell, a sensor for detecting air quality and a data transmission interface are arranged on the PCB, and the data transmission interface extends out of the shell and is used for being connected with a mobile phone;
the frame is sleeved on the periphery of the detection main body; and
a rotation shaft connecting the housing and the frame, and around which the detection body is rotatable;
wherein, be provided with first magnetism on the casing and inhale the subassembly, be provided with second magnetism on the frame and inhale the subassembly, the casing with the frame passes through first magnetism is inhaled subassembly and second magnetism and is inhaled the cooperation of inhaling.
2. The air detection device of claim 1, wherein the housing has two opposing sides and an outer peripheral surface connecting the two sides, the first magnetic attraction component is disposed on the outer peripheral surface of the housing, and the second magnetic attraction component is disposed on an inner surface of the frame.
3. The air detection device of claim 1, wherein the housing has two opposite sides and an outer peripheral surface connecting the two sides, the outer peripheral surface of the housing is recessed with a first mounting groove, the inner surface of the frame is recessed with a second mounting groove, and the first and second magnetic assemblies are correspondingly inserted into the first and second mounting grooves.
4. The air detection device of claim 3, wherein the first and/or second magnetically attractive components are flexible magnets.
5. The air detection device of claim 1, wherein the first magnetic component is a magnetic metal component and the second magnetic component is a magnet.
6. The air detection device of claim 1, wherein the first magnetic component is a magnet and the second magnetic component is a magnetic metal component.
7. The air detection device of claim 1, wherein the first and second magnetically attractive components are both magnets.
8. The air detecting device of claim 1, wherein a stop portion is protruded from an inner surface of the frame, the second magnetic component is disposed on the stop portion, and the first magnetic component is configured to overlap with the second magnetic component when the detecting body rotates to abut against the stop portion.
9. The air detection device of claim 1, wherein the housing has an air inlet hole for external air to enter the housing.
10. The air detection device of claim 9, wherein said housing has opposite sides and an outer peripheral surface connecting said sides, said air intake being disposed in one of said sides of said housing; the shell is further provided with an air outlet hole, and the air outlet hole is formed in the outer peripheral surface.
11. The air detection device of any one of claims 1-10, wherein the detection body makes point contact with the frame at the interface.
12. The air detection device of any one of claims 1-10, wherein the air detection device is a formaldehyde detector.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710783516.1A CN107315073B (en) | 2017-08-31 | 2017-08-31 | Air detection device |
| PCT/CN2017/105132 WO2019041444A1 (en) | 2017-08-31 | 2017-09-30 | Air detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710783516.1A CN107315073B (en) | 2017-08-31 | 2017-08-31 | Air detection device |
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| Publication Number | Publication Date |
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| CN107315073A CN107315073A (en) | 2017-11-03 |
| CN107315073B true CN107315073B (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710783516.1A Active CN107315073B (en) | 2017-08-31 | 2017-08-31 | Air detection device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108760872B (en) * | 2018-03-07 | 2023-10-24 | 珠海格力电器股份有限公司 | Air detection system, control method thereof and air conditioning system |
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| CN107315073A (en) | 2017-11-03 |
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