A multi-parameter indoor air quality monitor

By introducing a fan system and a breathable mesh cover into the air quality monitor, the problem of insufficient airflow was solved, and the airflow was accelerated and the parameters were displayed conveniently.

CN224456699UActive Publication Date: 2026-07-03DECORATION CO LTD OF CHINA CONSTR 3RD ENG BUREAU

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DECORATION CO LTD OF CHINA CONSTR 3RD ENG BUREAU
Filing Date
2025-04-11
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Traditional air quality monitors lack the ability to accelerate airflow, which affects the monitoring effect and speed.

Method used

A fan system was designed to filter air through a ventilation mesh cover and accelerate its flow. The system is monitored at the air outlet and displays parameters using a high-definition touch LCD screen and a ring-shaped breathing indicator light.

Benefits of technology

It accelerates airflow, improves monitoring speed and effectiveness, and facilitates parameter display.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224456699U_ABST
    Figure CN224456699U_ABST
Patent Text Reader

Abstract

This utility model discloses a multi-parameter indoor air quality monitor, belonging to the field of process monitoring technology. It includes: a monitor assembly for multi-parameter monitoring of indoor air quality; a protective shell disposed on the outer periphery of the monitor assembly, with a circular channel on the side of the protective shell. An auxiliary circular plate is detachably connected to the inner wall of the circular channel, and three fan-shaped channels are formed on the side of the auxiliary circular plate. Each of the three fan-shaped channels has an embedded ventilation mesh for air filtration; a fan installed on the inner wall of the protective shell, with its air inlet connected to a vent pipe, which in turn connects to three air inlet pipes, each facing one of the three fan-shaped channels. The fan's air outlet is connected to an air outlet pipe, and the monitor assembly is installed on the inner wall of the air outlet pipe. This multi-parameter indoor air quality monitor not only accelerates airflow but also facilitates parameter display.
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Description

Technical Field

[0001] This utility model belongs to the field of process monitoring technology, and in particular to a multi-parameter indoor air quality monitor. Background Technology

[0002] Air quality monitoring is a device used to monitor the concentration of gases and inhalable particulate matter. Traditional air quality monitors do not have the ability to accelerate airflow during use, which not only affects the monitoring effect but also the monitoring speed.

[0003] A search revealed a Chinese patent document (authorization announcement number CN213398398U) for a multi-parameter indoor air quality monitor. The monitor includes a housing snapped onto a base, a circuit board mounted on the base, and electrically connected sensor, communication, power management, and control unit modules arranged on the circuit board. A power input port and an expansion port are connected side-by-side at the bottom of the circuit board, and heat dissipation holes are provided on the housing. The advantages of this invention are: the measuring instrument is compact and portable, and can be expanded with external sensors as needed; it has low energy consumption and high integration. The air quality monitor described in the aforementioned patent lacks the ability to accelerate airflow during use, which affects both the monitoring effect and the monitoring speed. Utility Model Content

[0004] The purpose of this invention is to provide a multi-parameter indoor air quality monitor to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-parameter indoor air quality monitor, comprising:

[0006] Monitoring instrument components are used for multi-parameter monitoring of indoor air quality;

[0007] A protective housing is set on the outer periphery of the monitoring instrument assembly. A circular channel is opened on the side of the protective housing. An auxiliary circular plate is detachably connected to the inner wall of the circular channel. Three fan-shaped channels are opened on the side of the auxiliary circular plate. A ventilation and breathable mesh cover for filtering air is embedded in the inner wall of each of the three fan-shaped channels.

[0008] The fan is installed on the inner wall of the protective casing. The fan's air inlet is connected to a ventilation pipe, which is connected to three air inlet pipes. The three air inlet pipes are respectively directed towards three fan-shaped channels. The fan's air outlet is connected to an air outlet pipe, and the monitoring instrument assembly is installed on the inner wall of the air outlet pipe.

[0009] The protective shell has a semi-circular inner groove on the side away from the auxiliary circular plate, and an air outlet channel corresponding to the position of the air outlet pipe is opened on the side of the semi-circular inner groove.

[0010] As a preferred embodiment, a ceiling-mounted base and multiple rubber blocks are bonded to the side of the protective shell away from the auxiliary circular plate, and the multiple rubber blocks are arranged in a circular array.

[0011] As a preferred embodiment, the protective housing is provided with a wire slot on the side away from the auxiliary circular plate for the wires to pass through, and multiple hidden wire interfaces are installed on the side of the semi-circular inner groove. The wire interfaces are plugged with rubber plugs when not in use.

[0012] As a preferred embodiment, a high-definition touch LCD screen for displaying indoor air quality parameters and a ring-shaped breathing indicator for indicating the current indoor air quality index are embedded in the side of the auxiliary circular plate. The high-definition touch LCD screen and the ring-shaped breathing indicator are arranged between the three fan-shaped channels.

[0013] As a preferred embodiment, a high-definition touch LCD screen is located inside the ring-shaped breathing indicator light.

[0014] As a preferred embodiment, the monitoring instrument assembly includes a temperature sensor, a humidity sensor, and a pollutant gas detector, and the outer surface of the protective housing is provided with anti-slip texture.

[0015] Compared with the prior art, the technical effects and advantages of this utility model are as follows:

[0016] In actual use, the multi-parameter indoor air quality monitor accelerates airflow with the operation of the fan. After being filtered by the ventilation mesh, the air enters the fan and exits from the air outlet. During air outlet, the temperature sensor, humidity sensor, and pollutant gas detector of the monitor components can monitor the air, and the parameters are displayed on the high-definition touch LCD screen and the ring-shaped breathing indicator light.

[0017] This multi-parameter indoor air quality monitor features a ceiling-mounted base for easy installation and fixation. The rubber block design prevents the protective shell from sticking too tightly to the device, thus avoiding obstructing airflow. The semi-circular inner groove and cable tray also facilitate airflow.

[0018] This multi-parameter indoor air quality monitor not only accelerates airflow but also facilitates parameter display. Attached Figure Description

[0019] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0020] Figure 1This is the front view of the present invention;

[0021] Figure 2 This is a rear view of the present invention;

[0022] Figure 3 This is a front view of the present invention after removing the auxiliary circular plate;

[0023] Figure 4 This is a cross-sectional view of the fan and air outlet pipe of this utility model.

[0024] Explanation of reference numerals in the attached figures:

[0025] In the picture:

[0026] 1. Monitoring instrument components; 2. Protective housing; 3. Auxiliary circular plate; 4. Ventilation mesh cover; 5. Fan; 6. Air inlet pipe; 7. Air outlet pipe; 8. Semi-circular inner groove; 9. Ceiling mount base; 10. Rubber block; 11. Cable tray; 12. Rubber plug; 13. High-definition touch LCD screen; 14. Ring-shaped breathing indicator light; 101. Temperature sensor; 102. Humidity sensor; 103. Pollutant gas detector. Detailed Implementation

[0027] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.

[0028] Unless otherwise defined, the directions mentioned herein, such as up, down, left, right, front, back, inside, and outside, are based on the directions shown in the figures of this utility model, and are explained here together.

[0029] The connection method can adopt existing methods such as bonding, welding, and bolting, depending on the actual needs. Techniques, methods and equipment known to those skilled in the art may not be discussed in detail. However, where appropriate, the techniques, methods and equipment should be regarded as part of the specification. The proportions of the components in the drawings are for reference only and can be adjusted to a certain extent according to the actual use.

[0030] Air quality monitors are the latest technological products developed based on the principle of constant potential electrolysis sensors to detect polluting gases and the principle of light scattering to detect dust, combined with internationally mature electronic and network communication technologies.

[0031] Please see Figures 1 to 4 As shown, a multi-parameter indoor air quality monitor, in this embodiment including:

[0032] The monitoring instrument component 1 is used to monitor indoor air quality for multiple parameters. The monitoring instrument component 1 includes a temperature sensor 101, a humidity sensor 102, and a pollutant gas detector 103. The monitoring instrument component 1 also includes other monitoring devices and instruments as well as a controller. The outer surface of the protective housing 2 is provided with anti-slip texture.

[0033] The protective housing 2 is set on the outer periphery of the monitoring instrument assembly 1. A circular channel is opened on the side of the protective housing 2. An auxiliary circular plate 3 is detachably connected to the inner wall of the circular channel. Three fan-shaped channels are opened on the side of the auxiliary circular plate 3. A ventilation and breathable mesh cover 4 for filtering air is embedded in the inner wall of each of the three fan-shaped channels.

[0034] The fan 5 is installed on the inner wall of the protective housing 2. The air inlet of the fan 5 is connected to a ventilation pipe, which is connected to three air inlet pipes 6. The three air inlet pipes 6 are respectively directed towards three fan-shaped channels. The air outlet of the fan 5 is connected to an air outlet pipe 7, and the monitoring instrument assembly 1 is installed on the inner wall of the air outlet pipe 7. The operation of the fan 5 can accelerate the air flow. After the air is filtered by the ventilation mesh cover 4, the air enters the fan 5 from the air inlet pipe 6 and exits from the air outlet pipe 7. When the air is exiting, the temperature sensor 101, humidity sensor 102, and pollutant gas detector 103 of the monitoring instrument assembly 1 can monitor the air.

[0035] The protective shell 2 has a semi-circular inner groove 8 on the side away from the auxiliary circular plate 3, and an air outlet channel corresponding to the position of the air outlet pipe 7 is opened on the side of the semi-circular inner groove 8.

[0036] To meet installation and airflow requirements, a ceiling-mounted base 9 and multiple rubber blocks 10 are attached to the side of the protective housing 2 away from the auxiliary circular plate 3. The ceiling-mounted base 9 is used to install the protective housing 2 in a designated position, and the multiple rubber blocks 10 are arranged in a circular array. A wire channel 11 for wires to pass through is also provided on the side of the protective housing 2 away from the auxiliary circular plate 3. Multiple concealed wire interfaces are also installed on the side of the semi-circular inner groove 8. When not in use, the wire interfaces are plugged with rubber plugs 12. The design of the rubber blocks 10 can prevent the protective housing 2 from sticking tightly to the fixed equipment and thus avoid affecting the airflow. The semi-circular inner groove 8 and the wire channel 11 also facilitate airflow.

[0037] For display purposes, a high-definition touch LCD screen 13 for displaying indoor air quality parameters and a ring-shaped breathing indicator light 14 for indicating the current indoor air quality index are embedded in the side of the auxiliary circular plate 3. The high-definition touch LCD screen 13 and the ring-shaped breathing indicator light 14 are arranged between the three fan-shaped channels, with the high-definition touch LCD screen 13 located inside the ring-shaped breathing indicator light 14. The parameters are displayed from the high-definition touch LCD screen 13 and the ring-shaped breathing indicator light 14, making it convenient for users to observe in real time and quickly.

[0038] The monitoring instrument component 1, fan 5, high-definition touch LCD screen 13, and ring-shaped breathing indicator light 14 are all conventional instruments. Their working principles, dimensions, and models are irrelevant to the problem solved by this application, so they will not be described in detail. The control method of this utility model is controlled by a controller. The control circuit of the controller can be implemented by a person skilled in the art through simple programming. The power supply is also common knowledge in the art. Furthermore, this utility model is mainly used to protect mechanical devices, so the control method and circuit connection will not be explained in detail.

[0039] Working principle

[0040] Before use, the multi-parameter indoor air quality monitor is installed in the designated location using the ceiling mounting base 9, and the power supply and controller are connected. The fan 5 is turned on, and the operation of the fan 5 can accelerate the air flow. After the air is filtered by the ventilation mesh cover 4, the air enters the fan 5 from the air inlet pipe 6 and exits from the air outlet pipe 7. When the air is being discharged, the temperature sensor 101, humidity sensor 102, and pollutant gas detector 103 of the monitor component 1 can monitor the air, and the parameters are displayed on the high-definition touch LCD screen 13 and the ring-shaped breathing indicator light 14.

[0041] It should be noted that, in this document, relational terms such as "one" and "two" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-parameter indoor air quality monitor, characterized in that, include: The monitoring instrument component (1) is used to monitor multiple parameters of indoor air quality; A protective shell (2) is set on the outer periphery of the monitoring instrument assembly (1). A circular channel is opened on the side of the protective shell (2). An auxiliary circular plate (3) is detachably connected to the inner wall of the circular channel. Three fan-shaped channels are opened on the side of the auxiliary circular plate (3). A ventilation and breathable mesh cover (4) for filtering air is embedded in the inner wall of each of the three fan-shaped channels. A fan (5) is installed on the inner wall of the protective shell (2). The air inlet of the fan (5) is connected to a ventilation pipe, which is connected to three air inlet pipes (6). The three air inlet pipes (6) are respectively oriented towards three fan-shaped channels. The air outlet of the fan (5) is connected to an air outlet pipe (7), and the monitoring instrument assembly (1) is installed on the inner wall of the air outlet pipe (7). The protective shell (2) has a semi-circular inner groove (8) on the side away from the auxiliary circular plate (3), and the side of the semi-circular inner groove (8) is provided with an air outlet channel corresponding to the position of the air outlet pipe (7).

2. The multi-parameter indoor air quality monitor of claim 1, wherein, The protective shell (2) has a ceiling mounting base (9) and multiple rubber blocks (10) attached to the side away from the auxiliary circular plate (3), and the multiple rubber blocks (10) are arranged in a ring array.

3. A multi-parameter indoor air quality monitor according to claim 2, wherein, The protective shell (2) is provided with a wire slot (11) on the side away from the auxiliary circular plate (3) for wires to pass through. The side of the semi-circular inner groove (8) is also provided with multiple hidden wire interfaces, and the wire interfaces are plugged with rubber plugs (12) when not in use.

4. A multi-parameter indoor air quality monitor according to claim 1, characterized in that, The auxiliary circular plate (3) is embedded with a high-definition touch LCD screen (13) for displaying indoor air quality parameters and a ring-shaped breathing indicator (14) for indicating the current indoor air quality index. The high-definition touch LCD screen (13) and the ring-shaped breathing indicator (14) are arranged between three fan-shaped channels.

5. A multi-parameter indoor air quality monitor according to claim 4, wherein, The high-definition touch LCD screen (13) is located inside the ring-shaped breathing indicator (14).

6. The multi-parameter indoor air quality monitor of claim 1, wherein, The monitoring instrument assembly (1) includes a temperature sensor (101), a humidity sensor (102), and a pollutant gas detector (103), and the outer surface of the protective shell (2) is provided with anti-slip texture.