Temperature and humidity monitoring device for TVOC (Total Volatile Organic Compound) monitoring gas circuit

Abstract

The utility model relates to a temperature and humidity monitoring device for a TVOC (total volatile organic compound) monitoring gas circuit, which comprises a base and a temperature and humidity sensor, a monitoring cavity is arranged in the base, a mounting port communicated with the monitoring cavity is arranged at the top of the base, the temperature and humidity sensor is hermetically mounted at the mounting port, and the monitoring cavity is communicated with the mounting port. The temperature sensor is used for monitoring temperature and humidity of gas flowing through the monitoring cavity; the base is further provided with an air inlet channel and an air outlet channel which are communicated with the monitoring cavity, and the air inlet channel and the air outlet channel are located on the two sides of the monitoring cavity and connected into an air pipe of a monitoring air path. According to the invention, effective and accurate temperature and humidity monitoring of the external gas entering the monitoring gas path is realized, so that the monitoring data result of the TVOC concentration in the air is more accurate.

Description

Technical Field

[0001] This application belongs to the technical field of TVOC monitoring devices, and more particularly relates to a temperature and humidity monitoring device for a TVOC monitoring gas path. Background Art

[0002] Existing monitoring devices mainly monitor the concentration of TVOC in the air. The concentration of TVOC is indeed easily affected by temperature and humidity, especially in an enclosed space, and this effect is more significant. The temperature and humidity sensors of existing monitoring devices are installed in a cavity with an opening facing downwards. The cavity is connected to the outside atmosphere, and the air in the outside atmosphere comes into contact with the temperature and humidity sensors in the cavity under the action of natural diffusion to achieve temperature and humidity data monitoring. The TVOC sensor is arranged inside the device, and the gas enters the TVOC sensor through a section of gas path. Due to the existence of this gas path, there is a difference between the temperature and humidity of the gas entering the TVOC sensor and the temperature and humidity monitored by the temperature and humidity sensors of the monitoring device, which will affect the monitoring result of TVOC.

[0003] In summary, the temperature and humidity sensors installed on existing monitoring devices cannot accurately monitor the temperature and humidity of the gas entering the gas path. Summary of the Utility Model

[0004] In view of the above analysis, the embodiments of the present utility model aim to provide a temperature and humidity monitoring device for a TVOC monitoring gas path to solve one or more of the above problems existing in the prior art.

[0005] The object of the present utility model is achieved as follows:

[0006] A temperature and humidity monitoring device for a TVOC monitoring gas path includes a base and a temperature and humidity sensor. A monitoring cavity is provided inside the base, and an installation port communicating with the monitoring cavity is provided at the top of the base. The temperature and humidity sensor is hermetically installed in the installation port for monitoring the temperature and humidity of the gas flowing through the monitoring cavity. An air inlet channel and an air outlet channel communicating with the monitoring cavity are further provided on the base. The air inlet channel and the air outlet channel are located on both sides of the monitoring cavity and are both connected to the trachea of the monitoring gas path.

[0007] Further, the air inlet channel and the air outlet channel are coaxially arranged, and the air inlet channel, the air outlet channel and the monitoring cavity serve as a part of the monitoring gas path.

[0008] Further, bell mouth connectors are hermetically connected to both the air inlet channel and the air outlet channel, and the bell mouth connectors are used to connect the trachea of the monitoring gas path.

[0009] Further, the bell mouth connectors are threadedly connected to the air inlet channel and the air outlet channel.

[0010] Further, it further includes a sealing cover configured to fixedly arrange the temperature and humidity sensor on the mounting opening of the base.

[0011] Further, the sealing cover is detachably and fixedly mounted on the base through a fixing member.

[0012] Further, the fixing member is a screw.

[0013] Further, it further includes a sealing ring, and the sealing ring is installed between the temperature and humidity sensor and the base.

[0014] Further, an annular groove is provided on the top surface of the base, the annular groove is arranged around the mounting opening at the top of the base, and the sealing ring is installed in the annular groove.

[0015] Further, after the sealing ring is installed in the annular groove, the top end of the sealing ring protrudes from the top surface of the base.

[0016] Compared with the prior art, the temperature and humidity monitoring device for the TVOC monitoring gas path provided by the present utility model monitors the temperature and humidity of the gas in the intake pipeline, which is basically the same as the temperature and humidity of the air entering the TVOC sensor, making the monitored TVOC concentration data in the air more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present specification or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in the embodiments of the present specification, and those of ordinary skill in the art can also obtain other drawings based on these drawings.

[0018] Figure 1 It is a schematic structural diagram of the temperature and humidity monitoring device for the TVOC monitoring gas path provided by the present utility model;

[0019] Figure 2 It is an exploded view of the temperature and humidity monitoring device for the TVOC monitoring gas path provided by the present utility model;

[0020] Figure 3 It is a sectional view of the temperature and humidity monitoring device for the TVOC monitoring gas path provided by the present utility model;

[0021] Figure 4 It is a sectional structural diagram of the base of the temperature and humidity monitoring device for the TVOC monitoring gas path provided by the present utility model;

[0022] Figure 5 It is a five-view drawing of the temperature and humidity monitoring device for the TVOC monitoring gas path provided by the present utility model.

[0023] Reference numerals:

[0024] 1-base; 11-monitoring cavity; 12-air inlet channel; 13-air outlet channel; 14-annular groove; 15-connecting plate;

[0025] 2- Temperature and humidity sensor;

[0026] 3-Pagoda joint;

[0027] 4- Sealing cover;

[0028] 5-Fixer;

[0029] 6- Sealing ring. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. It should be noted that, in the absence of conflict, the embodiments in the present disclosure and the features in the embodiments can be combined, separated, interchanged and / or rearranged with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0031] In the drawings, the size and relative sizes of components may be exaggerated for clarity and / or descriptive purposes. Moreover, the same reference numerals denote the same components.

[0032] When a component is referred to as being "on," "connected to," or "coupled to" another component, the component may be directly on, directly connected to, or directly coupled to the other component, or intervening components may be present. However, when a component is referred to as being "directly on," "directly connected to," or "directly coupled to" another component, there are no intervening components. For this purpose, the term "connected" may refer to a physical connection, an electrical connection, etc., with or without intervening components.

[0033] For descriptive purposes, the present disclosure may use spatially relative terms such as "top", "bottom", "beneath", "under", "lower", "above", "upper", etc., relative to components to describe the relationship of one component to another (other) components as shown in the accompanying drawings.

[0034] The terms used herein are for the purpose of describing specific embodiments and are not intended to be limiting. As used herein, unless the context clearly indicates otherwise, the singular forms "a", "an", and "the" are also intended to include the plural forms. In addition, when the terms "comprise" and / or "include" and their variants are used in this specification, it is stated that there are the stated features, integers, steps, operations, components, assemblies, and / or groups thereof, but it does not exclude the presence or addition of one or more other features, integers, steps, operations, components, assemblies, and / or groups thereof. It should also be noted that, as used herein, the terms "substantially", "about", and other similar terms are used as approximate terms rather than degree terms, so they are used to explain the inherent deviations of measured values, calculated values, and / or provided values that those of ordinary skill in the art will recognize.

[0035] Embodiment 1

[0036] A specific embodiment of the present utility model discloses a temperature and humidity monitoring device for a TVOC monitoring gas path, which may hereinafter be simply referred to as the temperature and humidity monitoring device.

[0037] As Figures 1 to 5 shown, the temperature and humidity monitoring device includes a base 1 and a temperature and humidity sensor 2. The base 1 is used to support the temperature and humidity sensor 2. A monitoring cavity 11 for the air to be monitored is provided inside the base 1. An installation port is provided at the top of the base 1, and the installation port communicates with the monitoring cavity 11. The temperature and humidity sensor 2 is sealed and installed in the installation port for monitoring the temperature and humidity of the gas flowing through the monitoring cavity 11. An intake channel 12 and an outlet channel 13 that communicate with the monitoring cavity 11 are also provided on the base 1. The intake channel 12 and the outlet channel 13 are located on both sides of the monitoring cavity 11, and the intake channel 12 and the outlet channel 13 are coaxially arranged. The intake channel 12 and the outlet channel 13 are both sealed and connected to the trachea of the monitoring gas path, so that the intake channel 12, the outlet channel 13, and the monitoring cavity 11 also serve as part of the monitoring gas path.

[0038] In this embodiment, the temperature and humidity monitoring device further includes a sealing cover 4. The temperature and humidity sensor 2 is arranged on the base 1 through the sealing cover 4. The sealing cover 4 is used to press the temperature and humidity sensor 2 so that the temperature and humidity sensor 2 is sealed and installed on the installation port of the base 1.

[0039] Specifically, the sealing cover 4 is detachably and fixedly installed on the base 1 through a fixing member 5. On the one hand, it is convenient to assemble the temperature and humidity monitoring device. On the other hand, it is convenient to replace and repair the temperature and humidity sensor 2, reducing costs. Optionally, the fixing member 5 uses a screw, and the screw can be a cross-recessed pan head screw.

[0040] In this embodiment, a flare fitting 3 is hermetically connected to both the intake channel 12 and the outlet channel 13. The flare fitting 3 is used to connect the trachea of the monitoring gas path.

[0041] Optionally, the flare fitting 3 is threadedly connected to the intake passage 12 and the outlet passage 13. Specifically, the outer wall of the flare fitting 3 is provided with an external thread, and both the intake passage 12 and the outlet passage 13 are provided with internal threads adapted to the external thread.

[0042] In this embodiment, the temperature and humidity monitoring device further includes a sealing ring 6. The sealing ring 6 is installed between the temperature and humidity sensor 2 and the base 1, and the sealing ring 6 functions to prevent air leakage and provide a waterproof seal.

[0043] In this embodiment, an annular groove 14 is provided on the top surface of the base 1. The annular groove 14 is arranged around the installation opening at the top of the base 1. The sealing ring 6 is installed in the annular groove 14. By installing the sealing ring 6 in the annular groove 14, it is not only convenient for assembly but also can prevent the position of the sealing ring 6 from shifting and affecting the sealing effect.

[0044] Further, after the sealing ring 6 is inserted into the annular groove 14, the top end of the sealing ring 6 protrudes beyond the top surface of the base 1. In this way, when the sealing cover 4 is fixedly connected to the base 1, the protruding part of the sealing ring 6 can be squeezed, thereby improving the sealing effect. Exemplarily, after being inserted into the annular groove 14, the top end of the sealing ring 6 protrudes beyond the top surface of the base 1 by 0.5 mm.

[0045] Among them, the sealing ring 6 can be an O-ring, and the size of the O-ring is larger than the size of the installation opening at the top of the base 1. When assembled as a whole, the O-ring functions to provide a waterproof seal, and since the O-ring protrudes 0.5 mm beyond the top surface of the base 1, the sealing effect is better.

[0046] In this embodiment, a connecting plate 15 is further provided on the base 1. The connecting plate 15 is provided with fixing connection holes, and the position of the connecting plate 15 is fixed by using bolts, thereby realizing the fixation of the base 1.

[0047] Optionally, the base 1 and the sealing cover 4 are made of aluminum alloy material.

[0048] Compared with the prior art, the temperature and humidity monitoring device for the TVOC monitoring gas path provided in this embodiment is directly connected to the TVOC monitoring gas path. The temperature and humidity sensor 2 can effectively and accurately monitor the temperature and humidity of the external gas entering the device monitoring gas path, making the monitoring data result of the TVOC concentration in the air more accurate.

[0049] The specific embodiments described above further elaborate on the purpose, technical solutions, and beneficial effects of the present application. It should be understood that the above description is only the specific embodiments of the present application and is not used to limit the protection scope of the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A temperature and humidity monitoring device for TVOC monitoring gas path, characterized in that: The invention comprises a base (1) and a temperature and humidity sensor (2); a monitoring cavity (11) is arranged in the base (1); a mounting opening connected to the monitoring cavity (11) is arranged at the top of the base (1); the temperature and humidity sensor (2) is sealed and mounted on the mounting opening, and is used to monitor the temperature and humidity of the gas flowing through the monitoring cavity (11); an air inlet channel (12) and an air outlet channel (13) connected to the monitoring cavity (11) are also arranged on the base (1); the air inlet channel (12) and the air outlet channel (13) are located on both sides of the monitoring cavity (11), and are both connected to the air pipe of the monitoring gas path.

2. The temperature and humidity monitoring device for TVOC monitoring gas circuit according to claim 1, characterized in that: The air inlet channel (12) and the air outlet channel (13) are coaxially arranged, and the air inlet channel (12), the air outlet channel (13) and the monitoring cavity (11) serve as part of the monitoring air circuit.

3. The temperature and humidity monitoring device for TVOC monitoring gas circuit according to claim 1, characterized in that: The air inlet channel (12) and the air outlet channel (13) are both sealedly connected with a pagoda connector (3), and the pagoda connector (3) is used to connect the air pipe of the monitoring air circuit.

4. The temperature and humidity monitoring device for TVOC monitoring gas circuit according to claim 3, characterized in that: The pagoda joint (3) is threadedly connected to the air inlet passage (12) and the air outlet passage (13).

5. The temperature and humidity monitoring device for TVOC monitoring gas circuit according to any one of claims 1 to 4, characterized in that: It also comprises a sealing cover (4) configured to fix the temperature and humidity sensor (2) on the installation opening of the base (1).

6. The temperature and humidity monitoring device for TVOC monitoring gas circuit according to claim 5, characterized in that: The sealing cover (4) is detachably fixedly mounted on the base (1) via a fixing member (5).

7. The temperature and humidity monitoring device for TVOC monitoring gas circuit according to claim 6, characterized in that: The fixing member (5) is a screw.

8. The temperature and humidity monitoring device for TVOC monitoring gas circuit according to claim 5, characterized in that: It also includes a sealing ring (6), which is installed between the temperature and humidity sensor (2) and the base (1).

9. The temperature and humidity monitoring device for TVOC monitoring gas circuit according to claim 8, characterized in that: An annular groove (14) is provided on the top surface of the base (1), the annular groove (14) is arranged around the top mounting opening of the base (1), and the sealing ring (6) is installed in the annular groove (14).

10. The temperature and humidity monitoring device for TVOC monitoring gas circuit according to claim 9, characterized in that: After the sealing ring (6) is installed in the annular groove (14), the top end of the sealing ring (6) protrudes from the top surface of the base (1).

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