CN218916530U - Illuminance detection device for classroom ceiling and detection system thereof - Google Patents
Illuminance detection device for classroom ceiling and detection system thereof Download PDFInfo
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- CN218916530U CN218916530U CN202222733451.9U CN202222733451U CN218916530U CN 218916530 U CN218916530 U CN 218916530U CN 202222733451 U CN202222733451 U CN 202222733451U CN 218916530 U CN218916530 U CN 218916530U
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Abstract
The utility model relates to the technical field of illuminance detection, in particular to an illuminance detection device for a classroom ceiling, which comprises: a telescopic rod and an illuminance detector; the telescopic rod comprises 3 hollow pipelines, the axes of the 3 hollow pipelines are positioned in the same vertical line, and the 3 hollow pipelines are mutually nested; the illuminance detector is fixed at the tail end of the telescopic rod, and the head end of the telescopic rod is provided with a handle; the illumination detector is used for detecting illumination intensity of a classroom ceiling. According to the technical scheme, when a detector needs to detect the illuminance of a classroom ceiling, a lower-stage hollow pipeline of the telescopic rod is pulled out from an upper-stage hollow pipeline, and the length of the telescopic rod is prolonged; the illumination of the classroom ceiling can be checked at three different heights, so that the detection efficiency is greatly improved, the detection error is reduced, the illumination can be conveniently detected at each position of the classroom ceiling, and the accuracy of the illumination is ensured.
Description
Technical Field
The utility model relates to the technical field of illuminance detection, in particular to an illuminance detection device and an illuminance detection system for a classroom ceiling.
Background
In recent years, attention and importance are increasingly paid to classroom illumination quality, which relates to illuminance, glare, brightness, color rendering index, and the like; too large, too low or too poor illuminance uniformity can cause visual fatigue of students, and other eye diseases such as vision decline, myopia and the like can be caused when the illuminance is severe; according to the Guangdong province local standard of technical Specification for classroom illumination of middle and primary schools, national standards of GB7793, GB/T5700 and the like, the illumination quality in the classroom is definitely required, for example, the illumination value of a desk top of the middle and primary schools classroom is not lower than 300lx, the illumination uniformity is not lower than 0.7 and the like, so that the illumination quality of the classroom is required to be accurately detected; at present, the field illuminance detection of the classroom illumination quality mainly uses a handheld illuminometer to detect, the handheld illuminometer is placed on a desktop according to the point distribution requirement in the standard to obtain the illuminance value of each point, and then the corresponding illuminance uniformity is calculated through a formula; in the future, new and revised national standards are added into the illuminance test of the classroom ceiling, if the illuminance test is carried out according to the traditional method, a detector can climb to the position of the classroom ceiling, a handheld illuminometer is placed on the top surface for testing, the illuminance value of the ceiling is obtained, and then the corresponding illuminance uniformity is calculated through a formula.
When the illumination quality of the classroom is tested, as most of the classrooms are not provided with desks, the illuminometer cannot be directly placed on a desktop for measurement, and at the moment, the illuminometer is pushed to the top of the classroom by adopting a ruler or other supportable structures for illumination measurement, and whether the illumination quality of the classroom meets the standard is judged according to the test result; however, whether the illuminance of the top position of the classroom is tested by adopting a handheld illuminometer or a supporting structure, large human errors exist, and the detection efficiency is very low; firstly, since the detection requires multipoint measurements on a top plane parallel to the ground, each point needs to climb to the top separately, requiring a very large amount of time and steps; secondly, the limb actions of the detection personnel are extremely easy to block light rays in the test process, so that the test result is influenced.
Therefore, the defects can cause the uncertainty of the detection result to be too large, the accuracy of the detection result of the illuminance uniformity of the classroom ceiling is difficult to ensure, the detection efficiency is quite low, and in order to facilitate a tester to detect the illuminance of the classroom top surface on the classroom ceiling, the utility model provides an illuminance detection device for the classroom ceiling, so as to solve the problems of inconvenient illuminance detection and large illuminance detection error of the traditional classroom ceiling.
Disclosure of Invention
In order to overcome the problems in the related art, the utility model provides the illuminance detection device and the illuminance detection system for the classroom ceiling, which can be used for detecting the illuminance in the classroom at three different heights, so that the detection efficiency is greatly improved, the detection error is reduced, and meanwhile, the illuminance can be conveniently detected at each position of the classroom ceiling, and the accuracy of the illuminance is ensured.
To achieve the above object, a first aspect of the present utility model provides an illuminance detection apparatus for a ceiling of a classroom, including:
a telescopic rod and an illuminance detector; the telescopic rod comprises 3 hollow pipelines, the axes of the 3 hollow pipelines are positioned in the same vertical line, and the 3 hollow pipelines are mutually nested; the illuminance detector is fixed at the tail end of the telescopic rod, and the head end of the telescopic rod is provided with a handle; the illuminance detector is used for detecting the indoor illumination intensity.
Preferably, the 3 hollow pipelines are a primary hollow pipeline, a secondary hollow pipeline and a tertiary hollow pipeline respectively, wherein threaded connectors are arranged between the primary hollow pipeline and the secondary hollow pipeline and between the secondary hollow pipeline and the tertiary hollow pipeline, and the threaded connectors are used for connecting and fixing the hollow pipelines.
Preferably, the secondary hollow pipe is embedded in the inner wall of the primary hollow pipe, and the tertiary hollow pipe is embedded in the inner wall of the primary hollow pipe; the threaded connecting piece is used for movably connecting the primary hollow pipeline, the secondary hollow pipeline and the tertiary hollow pipeline.
Preferably, the threaded connection comprises a movable threaded pipe and a fixed threaded pipe; the inner wall of the movable threaded pipe is provided with movable threads, the outer wall of the tail end of the fixed threaded pipe is provided with fixed threads, and the movable threads are matched with the fixed threads; wherein, the fixed screwed pipe is made of elastic material.
Preferably, the first movable threaded pipe is sleeved at the head end of the secondary hollow pipeline, the first fixed threaded pipe is sleeved at the tail end of the primary hollow pipeline, and the tail end of the first fixed threaded pipe is abutted against the outer wall of the secondary hollow pipeline; the second movable threaded pipe is sleeved at the head end of the three-stage hollow pipeline, the second fixed threaded pipe is sleeved at the tail end of the two-stage hollow pipeline, and the tail end of the second fixed threaded pipe is abutted against the outer wall of the three-stage hollow pipeline.
Preferably, the tail end of the telescopic rod is provided with an angle code, a crab clamp, a spherical cradle head and an angle conversion piece; the crab clamp is used for clamping the illuminance detector, and the spherical cradle head is used for adjusting the angle of the crab clamp.
Preferably, the spherical tripod head is arranged between the telescopic rod and the crab clamp, and the angle conversion piece is arranged between the head end of the telescopic rod and the spherical tripod head; the angle conversion piece is provided with a vertical screw hole and a horizontal screw hole, the vertical screw hole is fixed on the tail end of the telescopic rod, and the horizontal screw hole is fixedly connected with the mounting frame of the spherical cradle head.
Preferably, the grip is made of a highly elastic polymeric material.
A second aspect of the present utility model provides an illuminance detection system including:
the illuminance detection apparatus according to any one of the above, a processing module and a display module; the processing module is respectively and electrically connected with the illuminance sensor of the illuminance detector and the display module, and the processing module controls the display value of the display module according to the photoelectric signal sent by the illuminance sensor.
The technical scheme provided by the utility model can comprise the following beneficial effects:
in the technical scheme, the telescopic rod and the illuminance detector are arranged, the telescopic rod is arranged to be a telescopic rod formed by mutually nesting 3 hollow pipelines, the axes of the 3 hollow pipelines are positioned in the same vertical line, the illuminance detector is fixed at the tail end of the telescopic rod, the handle is arranged at the head end of the telescopic rod, and the indoor illumination intensity is detected by the illuminance detector; when a detector needs to detect the illumination of the ceiling of a classroom, the lower-stage hollow pipeline of the telescopic rod is pulled out from the upper-stage hollow pipeline, 3 hollow pipelines are extended, and the length of the whole telescopic rod is prolonged; simultaneously, fix the tail end at this telescopic link with the illuminance detector that sets up, handheld this telescopic link's head end, rise the illuminance detector to the top in the classroom, detect the current indoor illuminance reading of record through the illuminance detector to can inspect the indoor illuminance in classroom at three different heights, improve the efficiency of detection greatly and reduced detection error, can detect the illuminance in each position in the classroom simultaneously, guarantee the accuracy nature of illuminance.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.
Drawings
The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular descriptions of exemplary embodiments of the utility model as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the utility model.
Fig. 1 is a schematic diagram of an illuminance detection apparatus according to an embodiment of the present utility model;
in the figure, a telescopic rod-10, an illumination detector-20, a crab clamp-30, a spherical cradle head-40, an angle conversion part-50, a primary hollow pipeline-101, a secondary hollow pipeline-102, a tertiary hollow pipeline-103 and a threaded connection part-104.
Detailed Description
Preferred embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present utility model, it should be understood that the terms "thickness," "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In order to be convenient for a tester to detect the illuminance of the top surface of a classroom on the top of the classroom, the utility model provides an illuminance detection device for the ceiling of the classroom.
Fig. 1 is a schematic diagram of an illuminance detection apparatus according to an embodiment of the present utility model.
Referring to fig. 1, the illuminance detection apparatus for a classroom ceiling includes:
a telescopic rod 10 and an illuminance detector 20; the telescopic rod 10 comprises 3 hollow pipelines, the axes of the 3 hollow pipelines are positioned in the same vertical line, and the 3 hollow pipelines are mutually nested; the illuminance detector 20 is fixed at the tail end of the telescopic rod 10, and the head end of the telescopic rod 10 is provided with a handle; the illuminance detector 20 is used to detect the illuminance intensity of the ceiling of the classroom.
Specifically, 3 hollow pipelines are a primary hollow pipeline 101, a secondary hollow pipeline 102 and a tertiary hollow pipeline 103 respectively, wherein threaded connectors 104 are respectively arranged between the primary hollow pipeline 101 and the secondary hollow pipeline 102 and between the secondary hollow pipeline 102 and the tertiary hollow pipeline, and the threaded connectors are used for connecting and fixing the hollow pipelines.
Specifically, the secondary hollow pipe 102 is embedded in the inner wall of the primary hollow pipe 101, and the tertiary hollow pipe 103 is embedded in the inner wall of the primary hollow pipe 101; the threaded connection 104 is used for movably connecting the primary hollow pipe 101, the secondary hollow pipe 102 and the tertiary hollow pipe 103.
Specifically, the threaded connection 104 includes a movable threaded pipe and a fixed threaded pipe; the inner wall of the movable threaded pipe is provided with movable threads, the outer wall of the tail end of the fixed threaded pipe is provided with fixed threads, and the movable threads are matched with the fixed threads; wherein, fixed screwed pipe is made by elastic material.
Specifically, the first movable threaded pipe is sleeved at the head end of the secondary hollow pipeline 102, the first fixed threaded pipe is sleeved at the tail end of the primary hollow pipeline 101, and the tail end of the first fixed threaded pipe abuts against the outer wall of the secondary hollow pipeline 102; the second movable threaded pipe is sleeved at the head end of the three-stage hollow pipeline 103, the second fixed threaded pipe is sleeved at the tail end of the second-stage hollow pipeline 102, and the tail end of the second fixed threaded pipe is abutted against the outer wall of the three-stage hollow pipeline 103.
Specifically, the tail end of the telescopic rod 10 is provided with a corner brace, a crab clamp 30, a spherical cradle head 40 and an angle conversion element 50; the crab clamp 30 is used for clamping the illuminance detector 20, and the spherical tripod head 40 is used for adjusting the angle of the crab clamp 30.
Specifically, the spherical tripod head 40 is disposed between the telescopic rod 10 and the crab jaw 30, and the angle conversion member 50 is disposed between the head end of the telescopic rod 10 and the spherical tripod head 40; the angle conversion member 50 is provided with a vertical screw hole and a horizontal screw hole, the vertical screw hole is fixed on the tail end of the telescopic rod 10, and the horizontal screw hole is fixedly connected with the mounting frame of the spherical cradle head 40.
In particular, the grip is made of a highly elastic polymeric material.
Examples
In this embodiment, in order to solve the problems of inaccurate illuminance, low efficiency and large error of the ceiling of the existing equipment detection classroom (i.e., firstly, because the detection needs to perform multi-point measurement on a top plane parallel to the ground, a large human error exists in the measurement point is determined, secondly, the limb action of the detection personnel is extremely easy to block light rays in the test process, thereby affecting the test result); according to the method, the telescopic rod and the illuminance detector are arranged, the telescopic rod is arranged to be a telescopic rod formed by mutually nesting 3 hollow pipelines, the axes of the 3 hollow pipelines are positioned in the same vertical line, the illuminance detector is fixed at the tail end of the telescopic rod, the handle is arranged at the head end of the telescopic rod, and the indoor illumination intensity is detected through the illuminance detector; when a detector needs to detect the illumination of the ceiling of a classroom, the lower-stage hollow pipeline of the telescopic rod is pulled out from the upper-stage hollow pipeline, 3 hollow pipelines are extended, and the length of the whole telescopic rod is prolonged; for example:
fix the tail end at this telescopic link with the illuminance detector that sets up, handheld this telescopic link's head end, rise the illuminance detector to the top in the classroom, detect the current indoor illuminance reading of record through the illuminance detector to can examine the indoor illuminance of classroom at three different heights, improve the efficiency of detecting greatly and reduced detection error, can detect the illuminance in each position in the classroom simultaneously, guarantee the accuracy nature of illuminance.
The mutual nesting means that the first hollow pipeline is nested on the inner wall of the first-stage hollow pipeline, the second-stage hollow pipeline is nested on the inner wall of the third-stage hollow pipeline, and the relative positions of the three hollow pipelines are not limited; specifically, in the structure of the telescopic rod, the inner diameter of the first-stage hollow pipeline is larger than the outer diameter of the second-stage hollow pipeline, the inner diameter of the second-stage hollow pipeline is larger than the outer diameter of the third-stage hollow pipeline, and if more stages of hollow pipelines exist, the telescopic rod is pushed in the same way.
Examples
Based on the first embodiment of the present utility model, in order to more clearly describe specific structural features of the present utility model, the embodiment of the present utility model will be further described with reference to a detection device, for example: the above 3 hollow pipelines are a primary hollow pipeline, a secondary hollow pipeline and a tertiary hollow pipeline respectively, wherein threaded connectors are arranged between the primary hollow pipeline and the secondary hollow pipeline and between the secondary hollow pipeline and the tertiary hollow pipeline, and the length of the stretching rod which is stretched and determined is fixed to the three hollow pipelines by the threaded connectors, so that illumination detection on illumination in a classroom can be conveniently and quickly carried out on the same height, and the detection efficiency of staff is improved.
In particular, the secondary hollow pipe in the above is embedded on the inner wall of the primary hollow pipe, and the tertiary hollow pipe is embedded on the inner wall of the primary hollow pipe; the threaded connecting piece is used for movably connecting the primary hollow pipeline, the secondary hollow pipeline and the tertiary hollow pipeline, namely when the length of the telescopic rod is contracted, the primary hollow pipeline, the secondary hollow pipeline and the tertiary hollow pipeline are contracted in one hollow pipeline by loosening the threaded connecting piece, so that convenience and quickness are realized; in addition, the threaded connecting piece comprises a movable threaded pipe and a fixed threaded pipe, wherein the inner wall of the movable threaded pipe is provided with movable threads, the outer wall of the tail end of the fixed threaded pipe is provided with fixed threads, the movable threads and the fixed threads are matched, and the fixed threads of the outer wall are fixed on the inner wall of the hollow pipeline, so that the fixed threads of the inner wall are fixed with the outer wall of the hollow pipeline, and the hollow pipeline is connected in a detachable manner; wherein, in order to prevent excessive wear, the fixed threaded pipe is made of elastic materials, so that the fixed threaded pipe is damaged and can be replaced; for example:
the first movable threaded pipe is sleeved at the head end of the secondary hollow pipeline, and the first fixed threaded pipe is sleeved at the tail end of the primary hollow pipeline, so that the tail end of the first fixed threaded pipe is abutted with the outer wall of the secondary hollow pipeline, and the interaction of the tail end of the first fixed threaded pipe and the outer wall of the secondary hollow pipeline is enhanced; and the second movable threaded pipe is sleeved at the head end of the three-stage hollow pipeline, and the second fixed threaded pipe is sleeved at the tail end of the second-stage hollow pipeline, so that the tail end of the second fixed threaded pipe is abutted with the outer wall of the three-stage hollow pipeline, and the three are mutually nested, contracted, stretched and fixed.
Examples
In the embodiment, in order to facilitate detection of illumination in a classroom, the tail end of the telescopic rod is provided with a corner bracket, a crab clamp and a spherical cradle head; the crab clamp clamps the illuminance detector, and the angle of the crab clamp is adjusted by the spherical tripod head, so that the spherical tripod head is arranged between the telescopic rod and the crab clamp, and meanwhile, the angle conversion piece is arranged between the head end of the telescopic rod and the spherical tripod head, and on the premise of ensuring that the illuminance detector cannot change in position, the angle of the detection range of the illuminance detector is adjusted by the spherical tripod head, the illuminance in a room is detected at the same position at multiple angles, and the accuracy of illuminance detection is improved; meanwhile, in order to avoid the detection influence of the telescopic link on the illuminance detector, the angle conversion piece is further provided with a vertical screw hole and a horizontal screw hole, the vertical screw hole is fixed on the tail end of the telescopic link, the horizontal screw hole is fixedly connected with the mounting frame of the spherical cradle head, the illuminance detector is prevented from directly touching the telescopic link, or the light of the telescopic link affecting the illuminance detector is avoided, and the influence of the telescopic link on light detection is reduced.
Notably, in practical application, when movable screwed pipe and fixed screwed pipe combine together, movable screwed pipe can extrude fixed screwed pipe for fixed screwed pipe inwards contracts, extrudees the outer wall of next level hollow pipeline gradually at the in-process of shrink, makes next level hollow pipeline receive friction force effect unable removal, thereby realizes that next level hollow pipeline stretches out the back from last level hollow pipeline, and next level hollow pipeline is fixed by the fixed screwed pipe of last level hollow pipeline, and then improves telescopic link self stability.
Examples
In this embodiment, the illuminance detection system includes:
the illuminance detection apparatus according to any one of the above, a processing module and a display module; the processing module is respectively and electrically connected with the illuminance sensor of the illuminance detector and the display module, and the processing module controls the display value of the display module according to the photoelectric signal sent by the illuminance sensor.
In the embodiment of the utility model, in order to automatically read and display illumination and improve detection efficiency, the embodiment provides an illumination detection system, by arranging an illumination detection device, a processing module and a display module, and respectively electrically connecting the processing module with an illumination sensor of an illumination detector and the display module, when the illumination sensor is influenced by light to send out an electric signal, the processing module receives the electric signal sent out by the illumination sensor, calculates current illumination parameters according to the difference of the front and rear electric signals, and sends out parameter information to the display module to control the display value of the display module, wherein the value is the illumination of the current detected light, thereby realizing automatic reading and reading, improving detection efficiency and facilitating the detection personnel to quickly detect the illumination of each place of a classroom ceiling.
The specific manner in which the respective modules perform the operations in the apparatus of the above embodiments has been described in detail in the embodiments related to the method, and will not be described in detail herein.
The aspects of the present utility model have been described in detail hereinabove with reference to the accompanying drawings. In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments. Those skilled in the art will also appreciate that the acts and modules referred to in the specification are not necessarily required for the present utility model. In addition, it can be understood that the steps in the method of the embodiment of the present utility model may be sequentially adjusted, combined and pruned according to actual needs, and the modules in the device of the embodiment of the present utility model may be combined, divided and pruned according to actual needs.
The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (9)
1. An illuminance detection apparatus for a classroom ceiling, comprising:
a telescopic rod (10) and an illuminance detector (20);
the telescopic rod (10) comprises 3 hollow pipelines, the axes of the 3 hollow pipelines are positioned in the same vertical line, and the 3 hollow pipelines are mutually nested;
the illuminance detector (20) is fixed at the tail end of the telescopic rod (10), and a grip is arranged at the head end of the telescopic rod (10); the illumination detector (20) is used for detecting illumination intensity of a classroom ceiling.
2. Illuminance detection apparatus according to claim 1, wherein the 3 hollow pipes are a primary hollow pipe (101), a secondary hollow pipe (102) and a tertiary hollow pipe (103), respectively, wherein threaded connectors (104) are provided between the primary hollow pipe (101) and the secondary hollow pipe (102) and between the secondary hollow pipe (102) and the tertiary hollow pipe, respectively, and the threaded connectors are used for connecting and fixing the hollow pipes.
3. The illuminance detection apparatus according to claim 2, wherein the secondary hollow pipe (102) is embedded in an inner wall of the primary hollow pipe (101), and the tertiary hollow pipe (103) is embedded in an inner wall of the primary hollow pipe (101); the threaded connector (104) is used for movably connecting the primary hollow pipeline (101), the secondary hollow pipeline (102) and the tertiary hollow pipeline (103).
4. The illuminance detection apparatus according to claim 2, wherein the screw connection (104) comprises a movable screw pipe and a fixed screw pipe; the inner wall of the movable threaded pipe is provided with movable threads, the outer wall of the tail end of the fixed threaded pipe is provided with fixed threads, and the movable threads are matched with the fixed threads; wherein, fixed screwed pipe is made by elastic material.
5. The illuminance detection apparatus according to claim 4, wherein a first movable threaded pipe is sleeved at a head end of the secondary hollow pipe (102), a first fixed threaded pipe is sleeved at a tail end of the primary hollow pipe (101), and the tail end of the first fixed threaded pipe abuts against an outer wall of the secondary hollow pipe (102); the second movable threaded pipe is sleeved at the head end of the three-stage hollow pipeline (103), the second fixed threaded pipe is sleeved at the tail end of the second-stage hollow pipeline (102), and the tail end of the second fixed threaded pipe is abutted to the outer wall of the three-stage hollow pipeline (103).
6. The illuminance detection device according to claim 1, wherein the tail end of the telescopic rod (10) is provided with a corner brace, a crab jaw (30), a spherical tripod head (40) and an angle conversion member (50); the crab clamp (30) is used for clamping the illuminance detector (20), and the spherical cradle head (40) is used for adjusting the angle of the crab clamp (30).
7. The illuminance detection apparatus according to claim 6, wherein the spherical head (40) is disposed between the telescopic rod (10) and the crab jaw (30), and the angle conversion member (50) is disposed between a head end of the telescopic rod (10) and the spherical head (40); the angle conversion piece (50) is provided with a vertical screw hole and a horizontal screw hole, the vertical screw hole is fixed on the tail end of the telescopic rod (10), and the horizontal screw hole is fixedly connected with the mounting frame of the spherical cradle head (40).
8. A light level detecting device as in claim 1, wherein the grip is made of a highly elastic polymer material.
9. An illuminance detection system, comprising:
the illuminance detection apparatus according to any one of claims 1 to 8, a processing module and a display module; the processing module is respectively and electrically connected with the illuminance sensor of the illuminance detector and the display module, and the processing module controls the display value of the display module according to the photoelectric signal sent by the illuminance sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222733451.9U CN218916530U (en) | 2022-10-18 | 2022-10-18 | Illuminance detection device for classroom ceiling and detection system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222733451.9U CN218916530U (en) | 2022-10-18 | 2022-10-18 | Illuminance detection device for classroom ceiling and detection system thereof |
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| CN218916530U true CN218916530U (en) | 2023-04-25 |
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