Classroom environment monitoring device

Abstract

The utility model provides a classroom environment monitoring device, which relates to the technical field of classrooms and comprises an integral structure and positioning structures, and the positioning structures are positioned at the front and back positions, close to the top, of the outer surfaces of the two sides of the integral structure; the overall structure comprises a mounting plate and a movable box, cylinders are fixedly connected to the front and rear positions of the two sides of the bottom of the mounting plate, telescopic rods are fixedly mounted in the centers of the inner tops of the cylinders, the extending ends of the telescopic rods are fixedly connected with connecting rods, and clamping blocks are fixedly connected to the end faces of the bottoms of the connecting rods. The telescopic rod extends out to drive the connecting rod to move up and down in the cylinder, when moving, the connecting rod drives the clamping block, the fixing bolt and the movable box to move together, and the temperature and humidity sensor and the gas sensor are arranged in the movable box, so that the temperature and humidity sensor and the gas sensor are driven together, and the heights of the temperature and humidity sensor and the gas sensor can be adjusted; therefore, the components of air at different heights can be detected subsequently.

Description

Technical Field

[0001] The utility model relates to the technical field of classrooms, in particular to a classroom environment monitoring device. Background Art

[0002] The classroom is a place where teachers teach students. It is a large room with a podium in the front and seats in the back. There is a blackboard or whiteboard on the wall near the podium, which is where teachers give lectures and assign homework. In the back are seats for students. Some classrooms are equipped with multimedia and other equipment to facilitate students' classes.

[0003] Since there are many people in the classroom, the indoor environment is particularly important. It is necessary to maintain a good indoor environment to facilitate learning or activities in the classroom. Therefore, when the existing classroom environment monitoring device is fixed to a designated location during use, it cannot be moved, and thus the air composition at different heights in the classroom cannot be detected, resulting in incomplete detection. Therefore, we propose a classroom environment monitoring device to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the problem that the prior art is fixed to a designated location and cannot be moved, and thus cannot detect air components at different heights in the classroom, resulting in incomplete detection, and proposes a classroom environment monitoring device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a classroom environment monitoring device, including an overall structure and a positioning structure, wherein the positioning structure is located at the front and rear of the outer surfaces of both sides of the overall structure near the top;

[0006] The overall structure includes a mounting plate and a movable box, a cylinder is fixedly connected to the front and rear positions on both sides of the bottom of the mounting plate, a telescopic rod is fixedly installed at the inner top center of the cylinder, the extended end of the telescopic rod is fixedly connected to a connecting rod, a clamping block is fixedly connected to the bottom end surface of the connecting rod, fixing bolts are threadedly penetrated at both sides of the top of the clamping block, a control unit is fixedly installed at the inner bottom center of the movable box, and temperature and humidity sensors are fixedly installed at both sides of the inner bottom of the movable box.

[0007] Preferably, the outer surface of the connecting rod is slidably connected to the inner wall of the cylinder, and the bottom end surface thread of the fixing bolt penetrates the inner surface of the movable box.

[0008] Preferably, a first threaded hole is provided at the top of the clamping block at the position of the fixing bolt, and the inner surface wall of the first threaded hole is threadedly connected to the outer surface of the fixing bolt.

[0009] Preferably, card slots are provided on both sides of the top of the movable box, a display screen is fixedly mounted on the front outer surface of the movable box near the bottom, and the inner surface wall of the card slot is slidably connected to the outer surface of the card block.

[0010] Preferably, gas sensors are fixedly mounted on both sides of the inner surface of the movable box near the top.

[0011] Preferably, the rear outer surface of the movable box is hingedly connected to a baffle, and a number of evenly distributed cooling fans are fixedly installed on the inner surface of the baffle near the bottom. An air outlet pipe is provided through the rear outer surface of the baffle at the position of the cooling fan, and a filter is fixedly connected to the inner surface of the air outlet pipe.

[0012] Preferably, the positioning structure includes a fixing block, an expansion bolt is threadedly provided at the bottom center of the fixing block, the outer surface of the fixing block is fixedly connected to the outer surfaces of both sides of the mounting plate, a second threaded hole is opened at the bottom of the fixing block at the position of the expansion bolt, and the inner wall of the second threaded hole is threadedly connected to the outer surface of the expansion bolt.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, when in use, the telescopic rod is extended to drive the connecting rod to move up and down in the cylinder. When moving, the clamping block, the fixing bolt and the movable box are moved together. The temperature and humidity sensor and the gas sensor are in the movable box, so the two are driven together, so that the height of the two can be adjusted, so that the air components at different heights can be detected later. And through the mutual cooperation of the fixing bolt, the clamping groove, the first threaded hole and the clamping block, the movable plate can be separated from the mounting plate, so that the user can maintain the components in the movable box.

[0015] 2. In the utility model, by setting up a gas sensor, it is possible to measure the carbon dioxide concentration and particulate matter content in the classroom, and the measured data can be transmitted to the control unit. By setting up a temperature and humidity sensor, it is possible to measure the temperature and humidity level in the classroom. The collected data will also be transmitted to the control unit, and the control unit will analyze and process the data. These data can be displayed to the teacher through a display screen, and through the cooperation of a cooling fan, an exhaust pipe and a filter, the heat in the activity box can be released to the outside to achieve the effect of heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional structural diagram of a classroom environment monitoring device is proposed for the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of a cooling fan, a filter, a baffle and an air outlet pipe;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the gas sensor, control unit, card slot and temperature and humidity sensor;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the telescopic rod, connecting rod, clamping block and fixing bolt.

[0020] Legend: 1. Overall structure; 2. Positioning structure; 101. Mounting plate; 102. Cylinder; 103. First threaded hole; 104. Movable box; 105. Display screen; 106. Baffle; 107. Cooling fan; 108. Exhaust pipe; 109. Filter; 110. Temperature and humidity sensor; 111. Control unit; 112. Gas sensor; 113. Card slot; 114. Card block; 115. Fixing bolt; 116. Connecting rod; 117. Telescopic rod; 201. Fixing block; 202. Second threaded hole; 203. Expansion bolt. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Embodiment 1, as Figure 1-Figure 4 As shown, a classroom environment monitoring device includes an overall structure 1 and a positioning structure 2, the positioning structure 2 is located on the outer surfaces of both sides of the overall structure 1 near the top; the overall structure 1 includes a mounting plate 101 and a movable box 104, the mounting plate 101 is fixedly connected with a cylinder 102 at the front and rear positions on both sides of the bottom, a telescopic rod 117 is fixedly installed at the center of the inner top of the cylinder 102, the extended end of the telescopic rod 117 is fixedly connected with a connecting rod 116, the bottom end surface of the connecting rod 116 is fixedly connected with a clamping block 114, fixing bolts 115 are threadedly penetrated at both sides of the top of the clamping block 114, a control unit 111 is fixedly installed at the center of the inner bottom of the movable box 104, and a temperature and humidity sensor 110 is fixedly installed at both sides of the inner bottom of the movable box 104.

[0024] The effect achieved by the entire embodiment 1 is as follows: Figure 1 and Figure 4As shown, when the telescopic rod 117 is extended or retracted, it will drive the connecting rod 116 to move up and down in the cylinder 102, and the connecting rod 116 drives the block 114, and the block 114 is fixed in the slot 113, so the movable box 104 is driven by the force, and the temperature and humidity sensor 110, the control unit 111 and the gas sensor 112 are in the movable box 104, so the height of the sensor can be adjusted, so that the air at different heights can be measured later.

[0025] Embodiment 2, as Figure 1-Figure 4 As shown, the outer surface of the connecting rod 116 is slidably connected to the inner surface wall of the cylinder 102, the bottom end surface thread of the fixing bolt 115 penetrates the inner surface of the movable box 104, the top of the block 114 is located at the position of the fixing bolt 115 and is provided with a first threaded hole 103, the inner surface wall of the first threaded hole 103 is threadedly connected to the outer surface of the fixing bolt 115, and the movable box 104 is provided with a card slot 113 on both sides of the top, the front outer surface of the movable box 104 is fixedly installed with a display screen 105 near the bottom, the inner surface wall of the card slot 113 is slidably connected to the outer surface of the card block 114, the inner surface of the movable box 104 is fixedly installed with a gas sensor 112 near the top on both sides of the inner surface of the movable box 104, and the rear outer surface of the movable box 104 is fixedly installed with a display screen 105 near the bottom. A baffle 106 is connected to the surface hinge, and a number of evenly distributed cooling fans 107 are fixedly installed on the inner surface of the baffle 106 near the bottom. An air outlet pipe 108 is penetrated through the outer surface of the rear side of the baffle 106 at the position of the cooling fan 107, and a filter screen 109 is fixedly connected to the inner surface of the air outlet pipe 108. The positioning structure 2 includes a fixed block 201, and an expansion bolt 203 is threadedly penetrated at the bottom center of the fixed block 201. The outer surface of the fixed block 201 is fixedly connected to the outer surfaces of both sides of the mounting plate 101, and a second threaded hole 202 is opened at the bottom of the fixed block 201 at the position of the expansion bolt 203, and the inner wall of the second threaded hole 202 is threadedly connected to the outer surface of the expansion bolt 203.

[0026] The effect achieved by the entire embodiment 2 is that, through the mutual cooperation of the card slot 113, the card block 114, the fixing bolt 115 and the first threaded hole 103, the movable box 104 is made detachable, so that the user can inspect or replace the components in the movable box 104, and the setting of the baffle 106 can also maintain the components in the movable box 104 when encountering minor problems, avoiding the need to disassemble the whole. Through the mutual cooperation of the fixing block 201, the expansion bolt 203 and the second threaded hole 202, it is convenient for the user to fix the whole to the roof of the classroom.

[0027] Working principle: First, through the cooperation of the fixing block 201, the second threaded hole 202 and the expansion bolt 203, the mounting plate 101 can be fixed to the top of the teacher. After fixing, the telescopic rod 117 is extended or retracted to drive the connecting rod 116 to move up and down in the cylinder 102. When moving, the block 114 is driven to move, and the block 114 is limited in the slot 113 by the fixing bolt 115, so the movable box 104 is driven by the force. Finally, the height of the temperature and humidity sensor 110, the control unit 111 and the gas sensor 112 can be adjusted so that they can be adjusted according to actual needs later. Then, when in use, through the setting of the temperature and humidity sensor 110, the temperature and humidity in the teacher can be measured. Carbon dioxide and particulate matter content, the measured data is transmitted to the control unit 111, then the control unit 111 collects the data obtained by the sensor, analyzes and processes them, and these data can be displayed to the teacher through the display screen 105.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A classroom environment monitoring device, characterized in that: include: An overall structure (1) and a positioning structure (2), wherein the positioning structure (2) is located at the front and rear of the outer surfaces of both sides of the overall structure (1) and close to the top; The overall structure (1) comprises a mounting plate (101) and a movable box (104); a cylinder (102) is fixedly connected to the front and rear positions of both sides of the bottom of the mounting plate (101); a telescopic rod (117) is fixedly installed at the center of the inner top of the cylinder (102); the extended end of the telescopic rod (117) is fixedly connected to a connecting rod (116); a clamping block (114) is fixedly connected to the bottom end surface of the connecting rod (116); fixing bolts (115) are threadedly provided at both sides of the top of the clamping block (114); a control unit (111) is fixedly installed at the center of the inner bottom of the movable box (104); and temperature and humidity sensors (110) are fixedly installed at both sides of the inner bottom of the movable box (104).

2. A classroom environment monitoring device according to claim 1, characterized in that: The outer surface of the connecting rod (116) is slidably connected to the inner wall of the cylinder (102), and the bottom end surface of the fixing bolt (115) is threadedly penetrated through the inner surface of the movable box (104).

3. A classroom environment monitoring device according to claim 1, characterized in that: A first threaded hole (103) is provided at the top of the clamping block (114) at the position of the fixing bolt (115), and the inner surface wall of the first threaded hole (103) is threadedly connected to the outer surface of the fixing bolt (115).

4. A classroom environment monitoring device according to claim 1, characterized in that: The movable box (104) is provided with card slots (113) at both sides of the top, a display screen (105) is fixedly mounted on the front outer surface of the movable box (104) near the bottom, and the inner surface wall of the card slot (113) is slidably connected to the outer surface of the card block (114).

5. A classroom environment monitoring device according to claim 1, characterized in that: Gas sensors (112) are fixedly mounted on both sides of the inner surface of the movable box (104) near the top.

6. A classroom environment monitoring device according to claim 1, characterized in that: The rear outer surface of the movable box (104) is hingedly connected to a baffle (106); a plurality of evenly distributed cooling fans (107) are fixedly installed on the inner surface of the baffle (106) near the bottom; an air outlet pipe (108) is provided through the rear outer surface of the baffle (106) at the position of the cooling fan (107); and a filter screen (109) is fixedly connected to the inner surface of the air outlet pipe (108).

7. A classroom environment monitoring device according to claim 1, characterized in that: The positioning structure (2) comprises a fixing block (201), an expansion bolt (203) is threadedly provided at the bottom center of the fixing block (201), the outer surface of the fixing block (201) is fixedly connected to the outer surfaces of both sides of the mounting plate (101), a second threaded hole (202) is provided at the bottom of the fixing block (201) at the position of the expansion bolt (203), and the inner surface wall of the second threaded hole (202) is threadedly connected to the outer surface of the expansion bolt (203).

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