WO2019004682A1

WO2019004682A1 - Composite sensor housing

Info

Publication number: WO2019004682A1
Application number: PCT/KR2018/007183
Authority: WO
Inventors: 양승환; 장인훈; 최동운; 이덕연
Original assignee: 한국생산기술연구원
Priority date: 2017-06-30
Filing date: 2018-06-25
Publication date: 2019-01-03

Abstract

The present invention relates to a composite sensor housing and, more specifically, to a composite sensor housing which is capable of completely blocking sunlight, water droplets, dust, etc. which adversely affect the operation of a sensor, improving the accuracy and durability of a sensor measurement value by securing ventilation; improving the assemblability and compatibility of a plurality of sensors or related parts or elements as well as effectively arranging and configuring the same with a simple structure; and improving convenience in use.

Description

Composite sensor housings

The present invention relates to a multiple sensor housing, and more particularly, to a sensor housing which is capable of completely blocking sunlight, water droplets, dust, etc. which adversely affect the operation of the sensor and enhancing the accuracy and durability The present invention relates to a hybrid sensor housing capable of improving the ease of assembly and compatibility as well as being capable of effectively arranging and configuring a plurality of sensors or related parts or elements with simple structure.

This application is related to Korean Patent Application Nos. 10-2017-0083893 and 10-2018-0038496, all of which are incorporated herein by reference in their filing applications .

Generally, a composite sensor is a device that can measure both complex environmental factors such as temperature, humidity, CO ₂ concentration, and irradiation. Hybrid sensors are widely used for environmental measurement as well as for environmental measurement.

In order to increase the measurement precision and durability of the composite sensor, a separate housing is required to protect the sensor from adverse influences caused by an external environment such as a foreign object, and a housing for various sensors has been developed in consideration of this. .

For example, in Japanese Patent Publication No. 4485976, a case for a porous glass sensor for measuring nitrogen dioxide gas has been proposed. As shown in FIGS. 1A to 1B, The slit 202 is covered with a membrane filter 204 and a humidity control material is installed inside the case 201. [

Although the conventional sensor housing (case) 201 can protect the sensor to some extent from contamination by foreign matter, the cooling air can not flow smoothly and stable cooling performance can not be expected, and solar light, It is impossible to completely block external factors such as water droplets and dust, so that the accuracy of the measured value of the sensor is low and the durability is deteriorated.

Particularly, in the conventional sensor housings, when two or more sensors are arranged to constitute a composite sensor, the sensor housings can not be mounted or the structure becomes complicated, which makes it difficult to assemble and the manufacturing cost increases. In addition, conventional sensor housings have difficulty in mounting related components or devices such as a sensor control box and a fan, and are incompatible with each other.

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above problems, and it is an object of the present invention to provide a sensor which can completely block sunlight, water droplets, dust and the like which adversely affect the operation of the sensor, The object of the present invention is to provide a composite sensor housing.

Another object of the present invention is to provide a composite sensor housing which is simple in structure and capable of effectively arranging a plurality of sensors, related parts and elements, as well as being excellent in assemblability, compatibility and ease of use have.

In order to achieve the above object, a hybrid sensor housing 1000 (2000) according to the present invention includes a plurality of sensor cases 1 stacked at predetermined intervals h. The sensor case 1 has a side surface 11 that is inclined outward from the upper end toward the lower end, and the upper and lower portions thereof are opened.

The upper and lower sensor cases 1 are stacked such that at least a part of the side faces 11 are overlapped with each other and the outside air moves upward while being piled up between the stacked side faces 11 to enter the internal space 13 And the air in the inner space 13 moves downwardly between the stacked side surfaces 11 so as to be superimposed, and is discharged to the outside.

The side surface (11) includes an inclined portion formed to be inclined outward from the top of the sensor case (1) downward; And a longitudinal extension 112 extending vertically downward from the lower end of the incline or inclined to be closer to perpendicular than the incline. The longitudinal extension 112 may partially cover the movement path of the air to reduce the inflow of foreign matter.

A first shielding piece 121 is formed on the side surface 11 of the sensor case 1 so as to protrude toward the inner space 13. The first blocking piece 121 partially covers the movement path of the air. In addition, the sensor case 1 may include a second shield 122 extending downward at an upper end thereof.

With the above-described configuration, the complex sensor housing 1000 (2000) can completely block sunlight, water droplets, dust, etc. that adversely affect the operation of the sensor and ensures ventilation, thereby improving the accuracy and durability of the measured value of the sensor Can be improved.

The partitioning

members

4a, 4b and 4c are provided at the upper part of the uppermost sensor case 1 to seal the upper end of the housing or to seal the lower end of the housing, A control box, a fan, and the like can be installed. The plurality of sensor cases 1 and the partitioning

members

4a, 4b and 4c can be coupled to each other by the case binding means 2. [

The partitioning

members

4a, 4b and 4c may have a groove 411 which coincides with the upper end of the sensor case 1 and the lower end of the first blocking piece 121.

The sensor case 1 may be provided with a partitioning member 4c and a gap holding opening 3 between the sensor case 1 and the sensor case 1. The same spacing h is formed when the partition member 4c is provided between the sensor cases 1 and when the spacing holder 3 is provided so that the intervals between the sensor cases 1 are the same Do.

Further, since the plurality of sensor cases 1 have the same shape and the same size, they can be used interchangeably. The

partition members

4a, 4b, 4c have the same diameter and side height p, Can be used.

The first shielding piece 121 preferably extends vertically downward from the upper end of the sensor case 1. The second blocking piece 122 is located on the opposite side of the first blocking piece 121 about the side surface 11 and can partially cover the movement path of the air. The first and

second blocking pieces

121 and 122 preferably have an acute angle.

The second blocking piece 122 may be integrally formed with the side surface 11 or may be detachably attached to the side surface 11. It is preferable that the uppermost sensor case 1 is not provided with the second blocking piece 122.

A fan 55 may be installed below the

housings

1000 and 2000. At least two sensor cases 1 are further provided below the fan 55. Air is moved between the at least two sensor cases 1 and a partition member 4b ) Is installed to seal the lower end of the housing.

A partitioning member 4a may be provided on the top of the uppermost sensor case 1 and a partitioning member 4c may be provided on the bottom of the uppermost sensor case 1. [ A control panel, a CO ₂ sensor, a temperature / humidity sensor, and the like are installed in a space formed by the uppermost sensor case 1 and the

partition members

4a, 4c on the upper surface of the partition member 4a .

The partition member 4c is provided between the sensor cases 1, and a sensor, a fan, a control panel, and the like may be installed on the bottom surface 42 thereof. Preferably, the bottom surface 42 may be perforated in various shapes such as circular, square, elliptical, or the like so as to be combined with a sensor, a fan, and a control panel, and a sensor, a fan, and a control panel are installed in the perforated portion.

In the composite sensor housing according to the present invention, a plurality of sensor cases 1 are stacked at a predetermined interval h, and air flows in and out through air movement passages formed at an interval between the intervals h, Water droplets, dust, etc. can be effectively blocked.

In addition, since the foreign matter flowing along the inclined air moving path is caught by the first and second blocking

pieces

121 and 122, it is possible to prevent the inflow of the foreign matter more efficiently.

As described above, since the composite sensor housing according to the present invention completely blocks direct flow of light and foreign matter and smoothly flows the air, it is possible to prevent the malfunction of the sensor through the cooling action due to the ventilation. Accordingly, it is possible to improve the precision of the composite sensor measurement value and protect the sensor and the like from adverse effects such as deterioration, thereby improving durability and stability.

In addition, since the composite sensor housing according to the present invention can easily assemble the sensor case 1 having a simple structure, the housing can be variously configured in various sizes and shapes, so that a plurality of sensors, related parts, It is possible to improve the assemblability and convenience of use, as well as to reduce the manufacturing cost.

FIGS. 1A and 1B are views for explaining a conventional hybrid sensor housing,

2 is a perspective view showing a composite sensor housing according to a first embodiment of the present invention;

FIG. 3 is an exploded perspective view of FIG. 2 (various sensors and control panels are omitted).

Fig. 4 is a longitudinal sectional view of Fig. 2; Fig.

FIG. 5A is a perspective view showing a sensor case provided in the composite sensor housing of FIG. 2. FIG.

Fig. 5B is a longitudinal sectional view of Fig. 5A. Fig.

FIG. 6 is a perspective view showing a partitioning member provided in the composite sensor housing of FIG. 2;

7A is a perspective view showing a modification of the partitioning member.

FIG. 7B is a perspective view showing a state in which the CO ₂ sensor mounting portion is removed from the partitioning member of FIG. 7A; FIG.

FIG. 7C is a perspective view showing a state in which the temperature / humidity sensor mounting portion is removed from the partitioning member of FIG. 7A; FIG.

FIG. 7D is a perspective view showing a state in which the fan mounting portion is removed from the partitioning member of FIG. 7A. FIG.

8 is an enlarged view of a portion A in Fig.

9 is a perspective view showing a composite sensor housing according to a second embodiment of the present invention;

10 is a sectional view taken along the line X-X 'in FIG.

11 is an exploded perspective view showing a sensor case and a second blocking piece provided in the composite sensor housing of FIG.

FIG. 12A is an exploded perspective view showing the uppermost sensor case and the partition member in the composite sensor housing of FIG. 9; FIG.

FIG. 12B is a longitudinal sectional view showing the sensor case and the partitioning member of FIG. 12A; FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely examples of the present invention and are not intended to represent all of the technical ideas of the present invention, so that various equivalents And variations are possible.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not to be construed as limiting the scope of the present invention.

In the drawings, the same reference numerals denote like elements.

[제1 실시예][First Embodiment]

FIG. 2 is a perspective view showing a composite sensor housing according to a first embodiment of the present invention, FIG. 3 is an exploded perspective view of FIG. 2, and FIG. 4 is a longitudinal sectional view of FIG.

The composite sensor housing 1000 is constructed such that a plurality of sensor cases 1 are stacked at a predetermined interval h and the sunlight or foreign matter or the like which adversely affects the sensing action of the sensor 55 upon the inhalation action of the fan 55 or the inflow of wind And the ventilation performance can be ensured.

Referring to the drawings, the composite sensor housing 1000 includes a plurality of sensor cases 1 stacked at predetermined intervals h, a

partition member

4a, 4b, 4c, a spacing holder 3, And may include case binding means 2.

The sensor case 1 includes an inclined side surface 11, an internal space 13, and an inflow blocking portion 12. [ As shown in Figs. 5A to 5B, the sensor case 1 is a hexahedron whose longitudinal sides are generally trapezoidal in shape and whose upper and lower portions are open, but can form a tilted air movement path with inclined side surfaces 11, It is not limited to the hexahedron, but may have various shapes.

It is preferable that the plurality of sensor cases 1 have the same shape and size so as to be compatible with each other.

The upper and lower portions of the sensor case 1 are open, and the portion surrounded by the side surface 11 forms the internal space 13. [ The upper and lower sensor cases 1 may be coupled to each other by bonding or the like, but are preferably detachably coupled to the case binding means 2. The case binding means 2 will be described below.

The side surface 11 is formed to be inclined outward from the upper end of the sensor case 1 toward the lower end. Preferably, the side surface 11 has an inclined portion and a longitudinally extending portion 112. The inclined portion is formed to be inclined outward from the top of the sensor case 1 and the longitudinal extending portion 112 is formed to extend vertically downward from the lower end of the inclined portion or inclined to be closer to perpendicular than the inclined portion. The longitudinal extension 112 covers a part of the air movement path to reduce the inflow of foreign matter.

A plurality of sensor cases (1) are stacked at a predetermined interval (h). The upper and lower sensor cases 1 are stacked so that at least a part of the side surface 11 is overlapped with each other and the lower end of the longitudinal direction extending portion 112 is positioned lower than the lower end of the interval h of the layer .

Accordingly, the outside air moves upward while being moved between the stacked side surfaces 11 so as to be introduced into the internal space 13, and the air in the internal space 13 is moved downwardly between the stacked side surfaces 11 And is discharged to the outside. With this structure, the external direct light can not be introduced into the internal space 13, and foreign substances can be removed while passing through the oblique movement path, and the first and

second cuts

121 and 122 .

In this specification, 'at least a part of the side surface of the sensor case 1 is laminated so as to overlap with each other' means that when the housing 1000 is viewed from the side of the housing 1000 as shown in FIG. 4, 1 are stacked such that at least a part of the side faces 11 of the two

layers

1 and 2 overlap each other.

When the fan 55 is installed under the housing 1000, it is preferable that at least two sensor cases 1 are installed under the fan 55. [ With this structure, air is discharged (exhausted) between the at least two sensor cases 1 and a partitioning member 4b is installed at the lower end of the lowermost sensor case 1 to seal the lower end of the housing 1000.

The inflow blocking portion 12 is provided for blocking the secondary flow by allowing water droplets, foreign matter, etc., which may flow due to the inertia of the air flowing through the inflow blocking portion 12. The inflow blocking portion 12 protrudes inside the upper end of the side surface 11 And a second shielding part 122 protruding outward from the upper end.

The first blocking piece 121 is formed to protrude toward the inner space 13 and preferably extends vertically downward from the side surface 11. The lower end of the first shielding piece 11 is engaged with the gap holding member 3 or the partitioning member 4c.

The second blocking piece 122 is preferably protruded to form an acute angle with the first blocking piece 121. When the first and

second blocking pieces

121 and 122 are formed in this manner, foreign matter (water droplets, dust, etc.) is caught by the first blocking piece 121 as shown in FIG. 4, And then the function of filtering out once more by the second blocking piece 122 is performed, so that the inflow of foreign matter can be almost completely blocked.

The second shielding piece 122 may be integrally formed at the upper end of the sensor case 1, but it may be detachably installed at the upper end of the sensor case 1, and a detachable structure is described in the second embodiment.

The

partitioning members

4a, 4b and 4c are provided at the upper part of the uppermost sensor case 1 to seal the upper end of the housing 1000 or to lower the lower end of the housing 1000 And the space between the sensor case 1 and the

sensors

52 and 53, the control box 54, the fan 55, and the like can be provided.

Specifically, the partitioning member 4a is provided at the upper part of the uppermost sensor case 1 to seal the upper end of the housing 1000, and the partitioning member 4b is installed at the lower part of the lowermost sensor case 1, And the partition member 4c is provided between the sensor cases 1 to provide a space in which the

sensors

52 and 53, the control box 54, the fan 55 and the like can be installed do.

The

partitioning members

4a, 4b and 4c have the same diameter and the side height p, and therefore, they can be used interchangeably, which is preferable for improving convenience in use and reducing manufacturing cost.

One of the partition member 4c and the gap holding hole 3 is provided between the sensor cases 1. It is preferable that the partition member 4c has a side height p that is the same as that of the gap retaining mouth 3.

Fig. 6 shows an example of the

partitioning members

4a, 4b and 4c. The

partitioning members

4a, 4b and 4c include a bottom surface 42 and a side surface 41. [

At the upper end of the side surface 41, a groove 411 and an inclined surface 412 are formed as shown in Fig. The groove 411 coincides with the lower end of the first shielding piece 121 and the upper end of the sensor case 1. Then, the inclined surface 412 is inclined to cooperate with the second blocking piece 122. The groove 411 and the inclined surface 412 allow the sensor case 1 and the

partition members

4a, 4b and 4c to be stably engaged.

The bottom surface 42 may be perforated if necessary. 4, when the fan 55 is installed in the partition member 4c, a portion corresponding to the fan 55 can be punctured, and the CO ₂ sensor 52 and the temperature / humidity sensor 53), the corresponding portion may be punctured. The perforations may be formed using a guide plate (not shown) having the same shape as the portion to be perforated.

The perforations may be formed in various shapes, for example, circular, elliptical, quadrangular, or the like, so as to be combined with the parts to be installed.

On the other hand, Fig. 7A shows a modification of the

partitioning members

4a, 4b and 4c. The

partitioning members

4a, 4b and 4c include a CO ₂ sensor mounting portion 432, a temperature and humidity sensor mounting portion 433 and a fan mounting portion 431. The mounting

portions

431, 432, and 433 are formed on the bottom surface 42 in advance to easily remove the groove lines.

7B shows a state in which the CO ₂ sensor mounting portion 432 is removed, FIG. 7C shows a state in which the temperature and humidity sensor mounting portion 433 is removed, FIG. 7D shows a state in which the fan mounting portion 431 is removed Lt; / RTI > In order to seal the lower end of the housing, the mounting

portions

431, 432 and 433 can be used without being removed.

Meanwhile, the shapes of the mounting

portions

431, 432, and 433 shown in FIGS. 7A to 7D are illustrative and may be formed in various shapes, for example, circular, elliptical, square, or the like,

The gap maintaining tool (3) maintains the gap (h) between the sensor cases (1). The gap holding tool 3 may be formed separately from the sensor case 1, but may be formed integrally.

As shown in Figs. 3 to 4, the spacing gauges 3 can be installed in four places on one layer, and air flows in and out through the space between the gap gauges 3. Fig.

There is no particular limitation on the shape or structure of the gap holding tool 3 if the gap h can be formed and the air movement path can be formed. For example, as shown in Fig. 3, the spacing holder 3 is a cylindrical member provided in the fastening boss 14 and formed with a through-hole 15 into which the elongated bolt 21 is inserted. In addition, a seating groove for easy seating can be formed at the upper and lower ends of the gap holding hole 3.

The case binding means 2 couples the plurality of sensor cases 1 to the

partition members

4a, 4b, 4c and the spacing holder 3. The case binding means 2 may be implemented in various ways, but is preferably provided with a long bolt 21 and a nut 22.

Through holes 15 are formed in the sensor case 1 in correspondence with the

partition members

4a, 4b and 4c and the spacing holder 3. The long bolt 21 is provided with through holes 15 And is then fastened to the nut 22.

The case binding means 2 composed of the long bolt 21 and the nut 22 is provided with a plurality of sensor cases 1 and the

partition members

4a, 4b, 4c and the spacing holder 3 in a detachable manner In addition, when the sensor case 1 is further laminated or a part of the sensor case 1 is removed as needed, it is effective to replace the long bolt 21 having a length corresponding thereto.

Hereinafter, the operation of the hybrid sensor housing 1000 will be described.

The composite sensor housing includes a plurality of sensor cases 1, a case binding means 2, a spacing holder 3, and a partition member 4a (4b) to suit the type, shape and quantity of the sensor, ) 4c may be appropriately combined and implemented in accordance with the purpose of use. Hereinafter, the hybrid sensor housing 1000 shown in Figs. 3 to 4 will be described as an example.

First, the long bolt 21 is installed so as to pass through the through holes 15 of the sensor case 1, the gap maintaining hole 3 and the

partitioning members

4a, 4b and 4c, and the sensor case 1 (3) or the partitioning member (4c) are placed between the upper and lower plates (3, 4). Further,

partition members

4a and 4c are provided on the top and bottom of the uppermost sensor case 1, respectively.

At this time, the bottom surface 42 of the

partition members

4a and 4c is suitably pre-punched to allow the solar radiation sensor 51, the CO ₂ sensor 52, and the temperature / humidity sensor 53 to be installed, So that the control panel 54 is embedded in the internal space 13 of the control panel. A partition member 4b which is not punctured is provided at the lowermost end of the housing 1000 in order to block the inflow of outside air and a partition member 4c is provided at the upper side thereof to puncture the fan 55 .

As described above, in the composite sensor housing 1000 according to the present invention, since the air is moved between the inclined side surfaces 11, the air can be smoothly moved, and the inflow of sunlight, water droplets, dust and the like can be effectively blocked. Since the first blocking piece 121 and the second blocking piece 122 protrude at an acute angle at the upper end of the side surface 11, when foreign matter (water droplets, dust, etc.) flows into the first blocking piece 121, And the foreign matter (water droplets, dust, etc.) can be completely blocked from entering the second blocking piece 122 again.

Then, when the cooling fan 55 is operated. Since the lower end of the housing is blocked by the partitioning member 4b, the air flow can be stably maintained as shown by the dotted line in Fig.

When the composite sensor housing 1000 equipped with the above-described various sensors is installed in the greenhouse, the solar radiation energy is detected by the solar radiation sensor 51, the carbon dioxide concentration is detected by the CO ₂ sensor 52, ). The temperature and humidity can be detected based on the detected information, and the sunlight, carbon dioxide, temperature, and humidity can be appropriately adjusted so as to be the best condition for cultivation of the crop.

[제2 실시예][Second Embodiment]

FIG. 9 is a perspective view showing a composite sensor housing according to a second embodiment of the present invention, and FIG. 10 is a sectional view taken along the line X-X 'in FIG.

As shown in the figure, the composite sensor housing 2000 includes a plurality of sensor cases 1 stacked at predetermined intervals h, partitioning members 4a 4b 4c, spacing holdings 3, And case binding means 2 (not shown in Figs. 9 to 10).

Compared with the multi-sensor housing 1000 of the first embodiment, the composite sensor housing 2000 is different from the multi-sensor housing 1000 of the first embodiment in that the second shield 122 is separately formed from the sensor case 1 and is detachably installed in the sensor case 1 In the case where the spacer 3 is integrally formed in the sensor case 1 and the spacer 3 is not provided in place of the spacer 3 in place of the spacer 3, And the sensor case 1 without the gap holding holes 3 and the

holes

431, 432 and 433 are not formed in the

partition members

4a, 4b and 4c, It is different.

The second blocking piece 122 is detachably attached to the sensor case 1 by a long bolt 21 (not shown in Figs. 9 to 11) as shown in Figs. 10 to 11. In the structure in which the second shielding piece 122 is detachably installed, the outer shape of the housing is made clean by making the second shielding piece 122 not exist in the uppermost sensor case 1, and the coupling is simple and easy.

The sensor case 1 is manufactured such that the spacer 3 is integrally formed and the spacer 3 is not provided. The configuration in which the gap holding tool 3 is integrally formed with the sensor case 1 simplifies the assembly process of the housing 2000.

In the case where the spacer 3 is not required as in the case where the partition member 4c is provided instead of the spacer 3 between the sensor cases 1, 1) is used.

The

partitioning members

4a, 4b and 4c are manufactured in a state in which the mounting

portions

431, 432 and 433 are not formed on the bottom surface 42 thereof, that is, And holes are formed to form necessary holes (i.e., mounting portions). A guide plate (not shown in the drawing) in which a hole corresponding to a necessary hole is perforated may be used for the other disclosures.

As described above, the perforations may be formed in various shapes, for example, circular, elliptical, square, or the like, to match the components (sensor, control panel, fan, etc.) to be installed.

It is to be understood that the present invention is not limited to the above-described embodiment, and that various modifications and changes may be made without departing from the scope of the present invention as defined in the appended claims. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

The terms used in the above embodiments are used only to describe specific embodiments and are not intended to limit the present invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprises" or "having" and the like are used to specify that there is a feature, a number, a step, an operation, an element, a component or a combination thereof described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Claims

Wherein a plurality of sensor cases are stacked at a predetermined interval h, external air is introduced into the internal space between the intervals h, or air in the internal space flows out to the outside,

The sensor case has a side surface (11) inclined outward from the upper end toward the lower end,

The upper and lower sensor cases are stacked such that at least a part of the side surface 11 thereof is overlapped with each other, and the outside air moves upwardly between the stacked side surfaces 11 to flow into the inner space, And moves down while being discharged to the outside through the stacked side faces 11,

And a sensor is installed in the inner space.
The method according to claim 1,

Wherein the first shield piece is formed on the side surface (11) of the sensor case so as to protrude toward the inner space, and the first shield piece covers a part of the movement path of the air.
3. The method of claim 2,

Further comprising partitioning members 4a, 4b and 4c,

The partitioning members 4a, 4b and 4c are provided at the upper part of the uppermost sensor case to seal the upper end of the housing or to seal the lower end of the housing at the bottom of the lowermost sensor case, And a fan, at least one of which can be installed,

Wherein the plurality of sensor cases and the partitioning members (4a, 4b, 4c) are coupled to each other by case binding means.
The method of claim 3,

The space (h) is formed between the sensor case and the partition member (4c) and between the sensor case (4c) and the space case (4) The spacing between the two sensor cases is the same,

Since the plurality of sensor cases have the same size, they can be used interchangeably,

Wherein the partitioning members (4a) (4b), (4c) have the same diameter and side height (p) and can be used interchangeably with each other.
5. The method of claim 4,

Wherein the partitioning members (4a) (4b) and (4c) have grooves that mate with the upper end of the sensor case and the lower end of the first blocking member.
The method of claim 3,

The first shield may extend vertically down from the top of the sensor case,

The sensor case includes a second shield that extends obliquely downward from its top, the first and second shields forming an acute angle,

The second blocking piece is located on the opposite side of the first blocking piece about the side surface (11) and covers a part of the movement path of the air,

Wherein the second shield is integrally formed with the side surface (11) or is detachably mounted on the side surface (11).
The method of claim 3,

A fan is installed in the lower part of the housing,

At least two sensor cases are installed under the fan, air is moved between the at least two sensor cases, and a partitioning member (4b) is provided under the lowermost sensor case to seal the lower end of the housing Composite sensor housing.
The method of claim 3,

A partitioning member 4a is provided on the upper part of the uppermost sensor case, a partitioning member 4c is provided on the lower part of the uppermost sensor case,

A solar radiation sensor is provided on the upper surface of the partitioning member 4a and at least one of a control panel, a CO 2 sensor and a temperature / humidity sensor is provided in a space formed by the uppermost sensor case and the partitioning members 4a and 4c Composite sensor housing.
The method of claim 3,

And the uppermost sensor case is not provided with the second shield.
The method of claim 3,

The partition member 4c is installed between the sensor cases, and at least one of a sensor, a fan, and a control panel is installed on the bottom surface thereof, and the bottom surface of the partition member 4c is perforated so as to match with the at least one shape. Sensor housing.
11. The method according to any one of claims 1 to 10,

The side surface (11)

An inclined portion formed to slant outward from the top of the sensor case toward the bottom; And

And a longitudinal extension extending vertically downward from the lower end of the inclined portion or inclined closer to a vertical direction than the inclined portion,

And the longitudinal extension portion covers a part of the movement path of the air to reduce the inflow of the foreign matter.