CN217278231U - Carbon dioxide automatic monitoring equipment - Google Patents

Abstract

The utility model discloses carbon dioxide automatic monitoring equipment, comprising: a detection box, an air inlet pipe is fixedly connected to the outer wall of the detection box, an air outlet pipe is fixedly connected to the outer wall of the detection box on the side away from the air inlet pipe; an exhaust fan and a monitoring pipe are fixedly connected in the detection box and the flow rate control assembly, the flow rate control assembly is located between the exhaust fan and the monitoring pipe, and the flow rate control assembly is connected with the exhaust fan and the monitoring pipe, and the exhaust fan is connected with the intake pipe. Several carbon dioxide sensors are fixed in the monitoring pipe. The air pipes are all connected; the outer wall of the top of the detection box is fixedly connected with a control panel, and the exhaust fan, several carbon dioxide sensors and flow rate control components are all electrically connected with the control panel. The utility model can automatically monitor the concentration of carbon dioxide in real time.

Description

Carbon dioxide automatic monitoring equipment

technical field

The utility model relates to the technical field of carbon dioxide detection equipment, in particular to carbon dioxide automatic monitoring equipment.

Background technique

Carbon dioxide can generally be obtained by calcining limestone at high temperature or by the reaction of limestone and dilute hydrochloric acid. It is mainly used for refrigerating perishable food (solid), as a refrigerant (liquid), for the manufacture of carbonized soft drinks (gas) and as a solvent for homogeneous reactions ( supercritical state) etc. Carbon dioxide itself is not toxic, but it can poison animals in high concentrations.

At present, the concentration of carbon dioxide needs to be detected in densely populated rooms or in some factories. There are inhalation monitoring devices in carbon dioxide monitoring equipment, but because such devices cannot control the flow rate of the gas passing through the carbon dioxide sensor, it also leads to the detection of carbon dioxide. Concentration monitoring is not precise enough.

Therefore, it is urgent to design carbon dioxide automatic monitoring equipment to solve the above problems.

Utility model content

The purpose of this utility model is to provide carbon dioxide automatic monitoring equipment, including:

A detection box, the outer wall of the detection box is fixedly connected with an air inlet pipe, and the outer wall of the detection box on the side away from the air inlet pipe is fixedly connected with an air outlet pipe; the detection box is fixedly connected with an exhaust fan, a monitoring pipe and a flow rate control assembly , the flow rate control assembly is located between the suction fan and the monitoring pipe, and the flow rate control assembly is communicated with the suction fan and the monitoring pipe, and the suction fan is communicated with the intake pipe, so A number of carbon dioxide sensors are fixedly connected in the monitoring pipe, and the monitoring pipe and the air outlet pipe are all connected; a control panel is fixedly connected to the outer wall of the top of the detection box, and the exhaust fan, the carbon dioxide sensors and the flow rate control assembly are all connected with each other. The control panel is electrically connected.

Preferably, the flow rate control assembly includes a communication block fixedly connected to the inner wall of the detection box, a ventilation port is formed through the communication block, and the communication block communicates with the exhaust fan and the monitoring device through the ventilation port. The communication block is connected with an adjustment piece in rotation, a motor is arranged on one side of the adjustment piece, the motor is fixedly connected with the inner wall of the detection box, and the output shaft of the motor is fixed coaxially with the adjustment piece connected, and the motor is electrically connected to the control panel.

Preferably, the adjustment member includes a communication valve core, the communication valve core is rotatably connected with the communication block, and one side of the communication valve core is coaxially fixed to the output shaft of the motor; the communication valve The core is provided with a plurality of connection channels with different diameters, and the plurality of the connection channels are equally spaced along the circumferential direction, and the plurality of the connection channels are not located on the same plane.

Preferably, a filter box is detachably connected to the inner wall of the top of the detection box, the filter box is located on the side of the exhaust fan close to the intake pipe, and the filter box is in communication with the exhaust fan and the intake pipe. ; A filter screen is fixed in the filter box, and a water-absorbing cotton is fixed on the side of the filter screen away from the air intake pipe.

Preferably, a plurality of batteries are fixedly connected to the inner wall of the bottom end of the detection box, and the batteries are used to provide power for the exhaust fan, the motor, the control panel and the carbon dioxide sensor.

Preferably, a buzzer is fixed on the outer side wall of the detection box.

Preferably, a handle is fixedly connected to the outer wall of the top of the detection box.

The utility model discloses the following technical effects:

When the utility model is in use, if carbon dioxide monitoring is performed in a fixed position indoors, the device is connected to an external power supply, the control panel is operated to set the concentration threshold of carbon dioxide, the first solenoid valve and the second solenoid valve are opened, the exhaust fan is started and the motor is controlled The rotation drives the communication valve core to rotate, and connects the appropriate connection channel with the vent. The exhaust fan draws in the outside air along the intake pipe, and is filtered by the absorbent cotton and the filter screen, and the treated air enters the monitoring tube. Several carbon dioxide sensors in the tube detect the concentration of carbon dioxide and display it on the display screen of the control panel, and finally the air is discharged along the outlet pipe. If the concentration of carbon dioxide exceeds the preset threshold, the buzzer will sound to warn; if necessary For mobile monitoring, if it is inconvenient to connect with an external power supply, it can be powered by a battery, which makes the device more portable and has a wider range of use scenarios.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only of the present invention. For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is the structural representation of the utility model carbon dioxide automatic monitoring equipment;

Fig. 2 is the structural representation of flow velocity control assembly in the utility model;

Fig. 3 is the front view of the communication valve core in the utility model;

Fig. 4 is the axonometric view of the communication valve core in the utility model;

Among them, 1, detection box; 2, partition; 3, battery; 4, control panel; 5, handle; 6, air intake pipe; 7, filter box; 8, filter screen; 9, absorbent cotton; 10, first Solenoid valve; 11. Exhaust fan; 12. Connecting block; 13. Connecting valve core; 14. Connecting channel; 15. Monitoring pipe; 16. Carbon dioxide sensor; 17. Second solenoid valve; 18. Outlet pipe; 19. Motor; 20. Air vent; 21. Buzzer.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In order to make the above objects, features and advantages of the present utility model more clearly understood, the present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.

1-4, the utility model provides carbon dioxide automatic monitoring equipment, including:

Detection box 1, the outer wall of the detection box 1 is fixedly connected with an air intake pipe 6, and the outer wall of the detection box 1 away from the air inlet pipe 6 is fixedly connected with an air outlet pipe 18; the detection box 1 is fixedly connected with an exhaust fan 11, a monitoring pipe 15 and a flow rate control Assembly, the flow rate control assembly is located between the exhaust fan 11 and the monitoring pipe 15, and the flow rate control assembly is communicated with the exhaust fan 11 and the monitoring pipe 15, the exhaust fan 11 is communicated with the intake pipe 6, and the monitoring pipe 15 is fixed with a number of carbon dioxide sensors 16. Both the monitoring pipe 15 and the air outlet pipe 18 are in communication; the outer wall of the top of the detection box 1 is fixedly connected with a control panel 4 , and the exhaust fan 11 , several carbon dioxide sensors 16 and flow rate control components are all electrically connected to the control panel 4 .

Further, the control panel 4 has a display screen (not shown in the figure).

Further, the flow rate control assembly includes a communication block 12 that is fixedly connected to the inner wall of the detection box 1, the communication block 12 is provided with a ventilation port 20, and the communication block 12 is communicated with the exhaust fan 11 and the monitoring pipe 15 through the ventilation port 20; the communication block 12 The upper part is rotatably connected with an adjusting part, and one side of the adjusting part is provided with a motor 19 .

Further, the adjusting member includes a communication valve core 13, the communication valve core 13 is rotatably connected with the communication block 12, and one side of the communication valve core 13 is coaxially fixed with the output shaft of the motor 19; the communication valve core 13 is provided with several diameters. For the unequal connection channels 14, a plurality of connection channels 14 are equally spaced along the circumferential direction, and all of the plurality of connection channels 14 are not located on the same plane.

By opening a plurality of connecting channels 14 with different diameters, and the plurality of connecting channels 14 are not in the same plane, the connecting channels 14 with different diameters are communicated with the vent 20 by controlling the rotation angle of the motor 19, and the access monitoring tube can be adjusted as required. The flow rate of 15 gas can better ensure the accuracy of the test results.

Further, the top inner wall of the detection box 1 is detachably connected with a filter box 7, and the filter box 7 is located on the side of the exhaust fan 11 close to the intake pipe 6, and the filter box 7 is communicated with the exhaust fan 11 and the intake pipe 6; A filter screen 8 is connected, and a water-absorbing cotton 9 is fixedly connected to the side of the filter screen 8 away from the air intake pipe 6 . By arranging the filter screen 8, impurities in the air can be filtered to avoid the blockage of the pipeline in the device caused by impurities.

Further, a plurality of batteries 3 are fixedly connected to the inner wall of the bottom end of the detection box 1, and the plurality of batteries 3 are used to provide power for the exhaust fan 11, the motor 19, the control panel 4 and the carbon dioxide sensor 16. By arranging the storage battery 3, the utility model can supply power through the storage battery 3 in places where it is inconvenient to connect with an external power source, and monitor the concentration of carbon dioxide.

Further, a separator 2 is fixed in the detection box 1 , a plurality of batteries 3 are located under the separator 2 , and the filter box 7 , the exhaust fan 11 , the flow rate adjustment component and the monitoring pipe 15 are all located above the separator 2 .

Further, a first solenoid valve 10 is provided between the exhaust fan 11 and the filter box 7 , and a second solenoid valve 17 is provided between the monitoring pipe 15 and the air outlet pipe 18 .

Further, a buzzer 21 is fixedly connected to the outer side wall of the detection box 1 . By setting the buzzer 21, a sound can be sounded to give a warning when the carbon dioxide concentration exceeds the standard.

Further, the battery 3 can provide power for the buzzer 21 .

Further, a handle 5 is fixedly connected to the outer wall of the top end of the detection box 1 . By arranging the handle 5, the device can be easily carried away, which makes the device more portable and can carry the device to detect the carbon dioxide concentration at different positions.

Further, the detection box 1 is provided with a power supply interface (not shown in the figure) that can be connected with an external power supply, and provides power for the exhaust fan 11, the motor 19, the control panel 4, the buzzer 21 and the carbon dioxide sensor 16 through the external power supply. .

Working process: when carbon dioxide monitoring is performed in a fixed position indoors, the device is connected to an external power supply, the control panel 4 is operated to set the concentration threshold of carbon dioxide, the first solenoid valve 10 and the second solenoid valve 17 are opened, the exhaust fan 11 is started and the motor is controlled The rotation of 19 drives the communication valve core 13 to rotate, and the appropriate connection channel 14 is communicated with the ventilation port 20. The exhaust fan 11 sucks the outside air along the air intake pipe 6, and is filtered by the water absorption cotton 9 and the filter screen 8. The air enters into the monitoring pipe 15, and several carbon dioxide sensors 16 in the monitoring pipe 15 detect the concentration of carbon dioxide and display it on the display screen of the control panel 4, and finally the air is discharged along the air outlet pipe 18. If the concentration of carbon dioxide exceeds the preset value The threshold buzzer 21 will emit a sound as a warning.

In the description of the present invention, it should be understood that the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inside", "outside" and other indications of orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present utility model, not Indicates or implies that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present invention.

The above-mentioned embodiments are only to describe the preferred mode of the present invention, and do not limit the scope of the present invention. Under the premise of not departing from the design spirit of the present invention, those of ordinary skill in the art can make the technical solutions of the present invention. Various deformations and improvements made shall fall within the protection scope determined by the claims of the present utility model.

Claims (7)

1. carbon dioxide automatic monitoring equipment, is characterized in that, comprises: A detection box (1), an air inlet pipe (6) is fixedly connected to the outer wall of the detection box (1), and an air outlet pipe (18) is fixedly connected to the outer wall of the detection box (1) on the side away from the air inlet pipe (6) ; The detection box (1) is fixedly connected with an exhaust fan (11), a monitoring pipe (15) and a flow rate control assembly, and the flow rate control assembly is located between the exhaust fan (11) and the monitoring pipe (15). and the flow rate control assembly communicates with the exhaust fan (11) and the monitoring pipe (15), the exhaust fan (11) communicates with the intake pipe (6), and the monitoring pipe (15) ) is fixedly connected with a number of carbon dioxide sensors (16), the monitoring pipe (15) is connected with the air outlet pipe (18); the top outer wall of the detection box (1) is fixedly connected with a control panel (4), and the exhaust fan (11), the carbon dioxide sensors (16) and the flow rate control assembly are all electrically connected to the control panel (4). 2. The carbon dioxide automatic monitoring device according to claim 1, wherein the flow rate control assembly comprises a communication block (12) fixedly connected to the inner wall of the detection box (1), and the communication block (12) is on the A ventilation port (20) is provided through the opening, and the communication block (12) communicates with the exhaust fan (11) and the monitoring pipe (15) through the ventilation port (20); on the communication block (12) An adjusting member is rotatably connected, a motor (19) is arranged on one side of the adjusting member, the motor (19) is fixedly connected with the inner wall of the detection box (1), and the output shaft of the motor (19) is connected to the adjusting member. The components are coaxially fixed, and the motor (19) is electrically connected with the control panel (4). 3. The carbon dioxide automatic monitoring device according to claim 2, characterized in that: the adjustment member comprises a communication valve core (13), and the communication valve core (13) is rotatably connected with the communication block (12), and One side of the communication valve core (13) is coaxially fixed with the output shaft of the motor (19); the communication valve core (13) is provided with a plurality of connecting channels (14) with different diameters, and a plurality of connecting channels (14) with different diameters are opened on the communication valve core (13). The connecting channels (14) are equally spaced along the circumferential direction, and several of the connecting channels (14) are not located on the same plane. 4. The carbon dioxide automatic monitoring device according to claim 1, characterized in that: the top inner wall of the detection box (1) is detachably connected with a filter box (7), and the filter box (7) is located in the exhaust fan ( 11) Close to the side of the air inlet pipe (6), the filter box (7) is in communication with the exhaust fan (11) and the air inlet pipe (6); the filter box (7) is internally fixed There is a filter screen (8), and a water-absorbing cotton (9) is fixedly attached to the side of the filter screen (8) away from the air intake pipe (6). 5. The carbon dioxide automatic monitoring device according to claim 2, characterized in that: a plurality of accumulators (3) are fixedly connected to the inner wall of the bottom end of the detection box (1), and a plurality of the accumulators (3) are used for the ventilation of the air The machine (11), the motor (19), the control panel (4) and the carbon dioxide sensor (16) provide electrical power. 6 . The carbon dioxide automatic monitoring device according to claim 1 , wherein a buzzer ( 21 ) is fixedly connected to the outer side wall of the detection box ( 1 ). 7 . 7 . The carbon dioxide automatic monitoring device according to claim 1 , wherein a handle ( 5 ) is fixedly connected to the outer wall of the top of the detection box ( 1 ). 8 .

Images