CN218847255U

CN218847255U - Sensor with a sensor element

Info

Publication number: CN218847255U
Application number: CN202223593805.0U
Authority: CN
Inventors: 佟帅; 熊建设; 张俊起
Original assignee: Xiaoyu Beijing Technology Co ltd
Current assignee: Xiaoyu Beijing Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-04-11
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to a sensor, which comprises a shell provided with air holes, a fan, a processor, a power supply and a sensing component; the processor, the power source and the sensing component are electrically connected to each other and mounted within the housing, and the fan is electrically connected to the power source and the processor and mounted within the housing; the blades of the fan face the sensing member. When the sensor is used, the air outside the shell is led into the shell through the air holes by the rotation of the fan, and is blown to the sensing part, so that the sensing part can contact a large amount of air to be tested outside the shell, the test result of the sensing part is more close to the actual air index outside the shell, and the test structure is more accurate.

Description

Sensor

Technical Field

The utility model relates to a test technical field especially relates to a sensor.

Background

In recent years, with increasing importance on environmental protection and health, the use amount of sensors for monitoring air quality, sensing temperature, various gas concentrations and the like is greatly increased, and with the rise of the internet of things, the control of household intelligent temperature, humidity, light, gas and the like becomes an extremely important development trend in the future. And the sensing part of traditional sensor wraps up in the casing all the time, and inside circulation of air is poor, makes the air index of sensing part test for the index of the air that is detained for a long time in the casing like this, and the index of the outer await measuring air of test casing that can't be accurate, and the accuracy is lower.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a sensor with high test accuracy, which can introduce air to be tested outside the sensor housing to the sensing part inside the housing, in order to solve the problem of inaccurate test.

A sensor comprises a shell provided with air holes, a fan, a processor, a power supply and a sensing component;

the processor, the power source and the sensing component are electrically connected to each other and mounted within the housing,

the fan is electrically connected with the power supply and the processor and is arranged in the shell;

the blades of the fan face the sensing member.

When the sensor is used, the fan rotates to enable air outside the shell to be introduced into the shell through the air holes and blow the air to the sensing part, so that the sensing part can contact a large amount of air to be tested outside the shell, the testing result of the sensing part is enabled to be closer to the actual air index outside the shell, and the testing structure is more accurate.

Preferably, the fan is a low speed fan.

Preferably, the distance between the fan blade and the sensor member is 10 to 15 mm.

Preferably, the power supply is a solar panel.

Preferably, the shell comprises a lower shell and a transparent upper shell, and the lower shell is detachably connected with the transparent upper shell 5;

the processor, the sensing component, the fan and the solar panel are installed in the lower shell, and the solar panel is horizontally arranged and arranged at the top of the lower shell or the bottom of the transparent upper shell.

Preferably, the lower shell comprises a heat dissipation cover, a sunshade and a ventilation cover which are connected in sequence.

Preferably, a plurality of heat dissipation holes are formed in the wall surface of the heat dissipation cover; the heat dissipation hole is positioned on the outer wall

The solar power generation plate is arranged below the solar power generation plate.

Preferably, the solar power generation device further comprises a memory and a communication component which are arranged in the shell and electrically connected with the processor respectively, and the memory is electrically connected with the solar power generation panel.

Preferably, the sensing component is a temperature and humidity sensor.

5 preferably, the sensing part further comprises a carbon dioxide sensor, a gas pressure sensor and an illumination sensor; the carbon dioxide sensor, the air pressure sensor and the illumination sensor are respectively electrically connected with the power supply and the processor.

Drawings

Fig. 1 is a schematic structural diagram of a sensor according to the present invention;

fig. 2 is a cross-sectional view of a sensor according to the present invention;

fig. 3 is a first circuit block diagram of a solar sensor according to the present invention;

fig. 4 is a second circuit block diagram of the solar sensor of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a housing; 2. a fan; 3. a processor; 4. a power source; 5. a sensing part; 6. a memory; 7. a communication component; 11. a lower housing; 12. a transparent upper housing; 111. a heat dissipation cover; 112. a sun shade; 113. a ventilation hood; 51. a temperature and humidity sensor; 52. a carbon dioxide sensor; 53. an air pressure sensor; 54. an illumination sensor.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is apparent that the specific details set forth in the following description are merely exemplary of the invention, which can be practiced in many other embodiments that depart from the specific details disclosed herein. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts all belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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.

Referring to fig. 1 to 3, in an embodiment, a sensor includes a housing 1, and a vent is disposed on the housing 1; a fan 2, a processor 3, a power supply 4 and a sensing component 5 are arranged in the shell 1, and the processor 3, the power supply 4 and the sensing component 5 are electrically connected with each other and arranged in the shell 1; the fan 2 is electrically connected with the power supply 4 and the processor 3 and is arranged in the shell 1; the blades of the fan 2 face the sensing member 5.

The shape and structure of the housing 1 are not limited as long as the fan 2, the processor 3, the power source 4 and the sensing component 5 can be stably installed in the housing, and each component can normally work in the using process. The number, the positions and the aperture sizes of the air holes formed in the shell 1 are not limited, so that ventilation can be met, and the fan 2 can introduce air outside the shell 1 into the shell 1 and blow the air to the sensing component 5.

Traditional sensor does not install the fan, and sensing element wraps up in the casing all the time, and inside circulation of air is poor, makes the air index of sensing element test for the index of the air that is detained for a long time in the casing like this, the index of the air that awaits measuring outside the unable accurate test casing. When the sensor disclosed in the embodiment is used, the rotation of the fan 2 enables the air outside the shell 1 to be introduced into the shell 1 through the air holes and blown to the sensing part 5, so that the sensing part 5 can contact a large amount of air to be tested outside the shell 1, the test result of the sensing part 5 is closer to the actual air index outside the shell 1, and the test structure is more accurate.

In another embodiment, the fan 2 is a low speed fan 2. Because the effect of fan 2 can increase the circulation of the air that awaits measuring, though can make the outside a large amount of flow direction sensing part 5 of the air that awaits measuring of casing 1 like this, also can influence sensing part 5 measuring accuracy because air flow velocity is too fast, consequently, choose fan 2 for use as low-speed fan 2, both can realize so that the air that awaits measuring outside casing 1 leads to sensing part 5 on, make the air flow velocity that awaits measuring again can not be too fast, and then improve the precision of test result.

In addition to the above embodiments, the distance between the blade of the fan 2 and the sensor 5 is further 10 to 15 mm. Specifically, the vertical distance between the blades of the fan 2 and the sensing component 5 is 10 mm, 12 mm or 15 mm. The scheme is also used for preventing the flow velocity of the air to be tested blown to the sensing part 5 from being too fast, and improving the accuracy of the test result.

In one embodiment, the power source 4 is a solar panel. When the solar panel works, the solar panel generates electric energy due to the irradiation of sunlight, and light energy is converted into electric energy, so that electric energy required by the work can be provided for the fan 2, the processor 3 and the sensing component 5, and the normal work of the fan 2, the processor 3 and the sensing component 5 is ensured.

The shell 1 is detachably connected with a transparent upper shell 12 through a lower shell 11; the lower housing 11 and the transparent upper housing 12 are connected to form the housing 1 of the entire sensor.

The bottom of casing 12 is provided with joint portion on transparent, and the top of casing 11 is provided with block portion down, realizes casing 11 and transparent detachable connection of casing 12 on through the adaptation block of joint portion and block portion down. The clamping portion can be a protrusion, the clamping portion can be a groove, and the lower shell 11 and the upper transparent shell 12 can be detachably connected through the protrusion in the groove in a clamping mode. The arrangement of the protrusions and the grooves is a relatively conventional technical means, and the specific shape and arrangement position thereof will not be described in detail

Inside the lower case 11 are mounted the processor 3, the sensing part 5, and the solar power generation panel, which are electrically connected to each other, horizontally arranged and disposed at the top of the lower case 11, or horizontally arranged and disposed at the bottom of the transparent upper case 12 with the solar power generation panel 5. Because the work of solar panel needs the illumination, consequently above-mentioned two kinds of arrangement methods can avoid other parts to shelter from it to go up the casing and adopt transparent material to make, set up like this and can guarantee normal, the high-efficient work of solar panel. The fan 2 is mounted in the lower case 11 with the blades of the fan 2 facing the sensing part 5.

Specifically, in one embodiment, the top of the lower housing 11 is an open structure, the solar panel is installed at the open position, so that the lower housing 11 and the solar panel form an installation cavity, and the fan 2, the processor 3 and the sensing part 5 are installed in the installation cavity. The fan 2, the processor 3 and the sensing component 5 may be mounted on a mounting plate or the like arranged in the mounting cavity by means of fasteners or by means of adhesive. The specific installation structure, installation mode and the like of the fan 2, the processor 3 and the sensing component 5 in the installation cavity can be adjusted according to specific design, as long as the fan 2, the processor 3 and the sensing component 5 can be stably installed in the installation cavity, and in the using process, the fan 2, the processor 3 and the sensing component 5 can be ensured not to loosen and normal work can be ensured.

Specifically, in another embodiment, the inner wall of the open top of the lower housing 11 may be provided with a mounting foot, and the solar panel may be mounted on the mounting foot by a fastener. Of course, other mounting manners may be adopted as long as the solar panel can be stably mounted on the top of the lower housing 11, and the specific mounting structure, the mounting manner, and the like may be adjusted according to actual design.

The wall surface of the lower shell 11 can be provided with a plurality of air holes, the number, the positions and the aperture sizes of the air holes are not limited, so that the ventilation can be met, and the fan 2 can introduce the air outside the shell 1 into the shell 1 and blow the air to the sensing component 5.

In another embodiment, the lower case 11 includes a heat radiating cover 111, a sun shade 112, and a ventilation cover 113, which are sequentially connected. The heat dissipation cover 111, the sunshade 112 and the ventilation cover 113 may be separate structures, and then assembled (generally assembled by clipping or by screwing, and the specific assembly may be changed according to actual design), or may be an integrated structure. In the present embodiment, the shapes and structures of the heat dissipation cover 111, the sunshade 112 and the ventilation cover 113 are not limited, and those skilled in the art can further design the shapes and structures according to their own design requirements.

A plurality of heat dissipation holes are formed in the wall surface of the heat dissipation cover 111; the heat dissipation holes are located below the solar power generation panel. Owing to adopted solar energy power generation, consequently the sensor need place under sunshine shines in the use, and the temperature that can lead to the sensor like this is higher because be provided with a plurality of louvres on the wall of heat exchanger 111 that looses, and the louvre is located solar panel's below, can increase the air flow of solar panel below like this, and then reduces solar panel's temperature, prolongs its life.

In one embodiment, the sensing component 5 is a temperature and humidity sensing component.

In another embodiment, as shown in fig. 1, 2 and 4, the solar power generation device further comprises a memory 6 and a communication component 7 which are arranged in the lower shell 11 and are respectively electrically connected with the processor 3, wherein the memory 6 is electrically connected with the solar power generation panel. The signal detected by the sensor can be sent to a remote client through the communication component 7, so that remote monitoring is realized.

In order to realize the multifunction of the sensor, the sensing part 5 can be additionally provided with a carbon dioxide sensor 52, a pressure sensor 53 and a light sensor 54; the carbon dioxide sensor 52, the air pressure sensor 53 and the illumination sensor 54 are respectively electrically connected with the power supply 4 and the processor 3, so that the sensors can measure the temperature and the humidity, and can also measure the concentration of carbon dioxide, the air pressure, the illumination intensity and the like.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, substitutions and improvements can be made, and all of them should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the claims.

Claims

1. A sensor is characterized by comprising a shell (1) provided with air holes, a fan (2), a processor (3), a power supply (4) and a sensing component (5);

the processor (3), the power source (4) and the sensing component (5) are electrically connected with each other and are arranged in the shell (1),

the fan (2) is electrically connected with the power supply (4) and the processor (3) and is arranged in the shell (1);

the blades of the fan (2) face the sensor part (5).

2. Sensor according to claim 1, characterized in that the fan (2) is a low speed fan (2).

3. A sensor according to claim 1, characterised in that the blades of the fan (2) are spaced from the sensing means (5) by 10-15 mm.

4. Sensor according to claim 1, characterized in that the power source (4) is a solar panel.

5. The sensor according to claim 4, characterized in that the housing (1) comprises a lower housing (11) and a transparent upper housing (12), the lower housing (11) being detachably connected with the transparent upper housing (12);

the processor (3), the sensing component (5), the fan (2) and the solar panel are installed in the lower shell (11), and the solar panel is horizontally arranged and arranged at the top of the lower shell (11) or the bottom of the transparent upper shell (12).

6. Sensor according to claim 5, characterized in that said lower shell (11) comprises a heat-dissipating shield (111), a sun-shading shield (112) and a ventilation shield (113) connected in series.

7. The sensor according to claim 6, wherein the wall surface of the heat dissipation cover (111) is provided with a plurality of heat dissipation holes; the heat dissipation holes are located below the solar power generation panel.

8. Sensor according to claim 4, characterized in that it further comprises a memory (6) and a communication component (7) arranged inside said casing (1) and electrically connected respectively to said processor (3), said memory (6) being electrically connected to said solar panel.

9. Sensor according to claim 1, characterized in that the sensing member (5) is a temperature and humidity sensor (51).

10. A sensor according to claim 9, wherein the sensing means (5) further comprises a carbon dioxide sensor (52), a gas pressure sensor (53) and an illumination sensor (54);

the carbon dioxide sensor (52), the air pressure sensor (53) and the illumination sensor (54) are electrically connected with the power supply (4) and the processor (3), respectively.