Formaldehyde detection device

Abstract

The utility model discloses a formaldehyde detection device and relates to the technical field of formaldehyde detection. The formaldehyde detection device comprises a device main body, a display and a sensor module, the display is located on the inner side of the device main body, the sensor module is inserted into the inner side of the device main body, the device main body is provided with an air duct, a clamping piece is arranged on the inner side of the air duct, an electrode is arranged on the clamping piece, and an insertion pipe is arranged on the outer side of the air duct; the inductor module comprises an insertion block which is inserted into the inner side of the insertion pipe; and the formaldehyde sensor is clamped on the insertion block. The formaldehyde detection device is provided with the inductor module, and an arc-shaped clamping rod arranged on an insertion block is used for clamping a disc-shaped formaldehyde sensor, so that the formaldehyde sensor is stably clamped by the clamping rod and is convenient to disassemble; the inserting block is connected with the inserting pipe in an inserted mode, clamping rods arranged on the two sides of the inserting block are connected with the inserting pipe in a clamped mode, and therefore the sensor module can be conveniently detached, and the formaldehyde sensor can be conveniently replaced.

Description

Technical Field

[0001] This utility model relates to the field of formaldehyde detection technology, specifically to a formaldehyde detection device. Background Technology

[0002] Formaldehyde, with the chemical formula HCHO, is one of the sources of indoor air pollution. Prolonged exposure to environments with excessive formaldehyde levels increases the probability of developing related health problems. According to relevant standards, the safe concentration of formaldehyde in indoor environments should be below 0.08 mg / m³. Therefore, real-time detection and monitoring of indoor formaldehyde concentrations has become a key concern for people and is particularly important for a healthy life.

[0003] Existing portable formaldehyde detection devices typically utilize electrochemical sensors to react with formaldehyde gas, generating changes in current or voltage to detect formaldehyde concentration. This method offers fast response, ease of operation, and low cost, but the sensors have a limited lifespan and require periodic replacement.

[0004] Sensors have a limited lifespan and need to be replaced regularly. Existing formaldehyde detection devices generally have fixed sensors, making it inconvenient for users to replace them. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a formaldehyde detection device that solves the problem of limited sensor lifespan and the need for periodic replacement. Existing formaldehyde detection devices typically have fixed sensors, making sensor replacement inconvenient for users.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: a formaldehyde detection device, comprising a device body, a display and a sensor module, wherein the display is located inside the device body, the sensor module is plugged into the device body, the device body is provided with an air duct, a clip is provided inside the air duct, an electrode is provided on the clip, and a plug tube is provided outside the air duct.

[0007] The sensor module includes:

[0008] A plug-in block, which is inserted into the inside of the plug-in tube;

[0009] A formaldehyde sensor, which is snapped onto a plug and used to detect formaldehyde.

[0010] Preferably, the main body of the device is provided with a housing, an air outlet is provided on the right side of the housing, an air inlet is provided on the rear side of the housing, the air inlet and the air outlet are connected, a fixing frame is provided on the front side of the housing, a groove is provided on the top of the housing, a fixing member is provided on the inner side of the housing, and the fixing member is located outside the fixing frame.

[0011] Preferably, the main body of the device is provided with a blower, the blower is provided with a positioning component, a rotating shaft is inserted into the inner side of the positioning component, the rotating shaft is connected to a motor, and a fan blade is sleeved on the outer side of the rotating shaft.

[0012] Preferably, the insertion tube corresponds to the groove, and the insertion tube is fixedly connected to the housing.

[0013] Preferably, the display is equipped with an LCD screen, which is snapped into the inside of the fixed frame.

[0014] Preferably, the display is provided with an integrated frame, which is located behind the LCD screen. The outer side of the integrated frame is provided with a slot that engages with a fixing component. The integrated frame is provided with a kit that engages with the fixing component. The inner side of the kit is inserted with a connecting screw that is threadedly connected to the fixing component.

[0015] Preferably, the insert block has locking rods on both sides that engage with the insert tube, and the bottom of the insert block has an arc-shaped clamping rod that holds the formaldehyde sensor.

[0016] This utility model discloses a formaldehyde detection device, which has the following beneficial effects:

[0017] The device is equipped with a sensor module. The circular formaldehyde sensor is held in place by an arc-shaped clamp on the plug, which securely holds the formaldehyde sensor and facilitates disassembly. The plug is connected to the connector tube, and the latches on both sides of the plug engage with the connector tube, making it easy to disassemble the sensor module and replace the formaldehyde sensor. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the shell of this utility model;

[0021] Figure 3 This is a schematic diagram of the rear structure of the housing of this utility model;

[0022] Figure 4 This is a cross-sectional structural diagram of the shell of this utility model;

[0023] Figure 5This is a schematic diagram of the structure of the display of this utility model;

[0024] Figure 6 This is a schematic diagram of the sensor module of this utility model.

[0025] In the diagram: 1. Main body of the device; 11. Housing; 111. Air outlet; 112. Air inlet; 113. Fixing frame; 114. Groove; 115. Fixing component; 12. Blower; 121. Positioning component; 122. Rotating shaft; 123. Fan blade; 13. Air duct; 131. Clip; 132. Electrode; 133. Connecting pipe; 2. Display; 21. LCD screen; 22. Integrated frame; 221. Slot; 222. Kit; 223. Connecting screw; 3. Sensor module; 31. Insert block; 311. Clamping rod; 312. Clamping rod; 32. Formaldehyde sensor. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0027] This application provides a formaldehyde detection device that solves the problem of limited sensor lifespan and the need for periodic replacement. Existing formaldehyde detection devices generally have fixed sensors, which makes sensor replacement inconvenient for users. This application enables quick and convenient sensor replacement.

[0028] This utility model discloses a formaldehyde detection device.

[0029] Example 1

[0030] According to the appendix Figure 1-6 As shown, the device includes a main body 1, a display 2, and a sensor module 3. The display 2 is located inside the main body 1, and the sensor module 3 is plugged into the main body 1. The main body 1 is provided with an air duct 13, and a clip 131 is provided inside the air duct 13. An electrode 132 is provided on the clip 131, and a plug tube 133 is provided outside the air duct 13.

[0031] Sensor module 3 includes:

[0032] Insert 31 is inserted into the inside of insert tube 133;

[0033] Formaldehyde sensor 32 is attached to plug 31 and is used to detect formaldehyde.

[0034] The sensor module 3 is provided, and the circular formaldehyde sensor 32 is clamped by the arc-shaped clamping rod 312 on the plug block 31, so that the formaldehyde sensor 32 is firmly clamped by the clamping rod 312 and is easy to disassemble. The plug block 31 is inserted into the plug tube 133, and the locking rods 311 on both sides of the plug block 31 are locked into the plug tube 133, which facilitates the disassembly of the sensor module 3 and the replacement of the formaldehyde sensor 32.

[0035] Furthermore, the main body 1 of the device is provided with a housing 11, an air outlet 111 is provided on the right side of the housing 11, an air inlet 112 is provided on the rear side of the housing 11, the air inlet 112 is connected to the air outlet 111, a fixing frame 113 is provided on the front side of the housing 11, a groove 114 is provided on the top of the housing 11, and a fixing member 115 is provided on the inner side of the housing 11, the fixing member 115 is located outside the fixing frame 113.

[0036] Furthermore, the main body 1 of the device is provided with a blower 12, a positioning component 121 is provided on the blower 12, a rotating shaft 122 is inserted into the inner side of the positioning component 121, a motor is connected to the rotating shaft 122, and a fan blade 123 is sleeved on the outer side of the rotating shaft 122.

[0037] Specifically disclosed, the insertion tube 133 corresponds to the groove 114, and the insertion tube 133 is fixedly connected to the housing 11.

[0038] Specifically disclosed, the display 2 is equipped with an LCD screen 21, which is snapped into the inside of the fixed frame 113.

[0039] It should be emphasized that the monitor 2 is provided with an integrated frame 22, which is located on the back side of the LCD screen 21. The outer side of the integrated frame 22 is provided with a slot 221 that engages with the fixing member 115. The integrated frame 22 is provided with a kit 222 that engages with the fixing member 115. The inner side of the kit 222 is inserted with a connecting screw 223 that is threadedly connected to the fixing member 115.

[0040] Example 2

[0041] The device includes a main body 1, a display 2, and a sensor module 3. The display 2 is located inside the main body 1, and the sensor module 3 is plugged into the main body 1. The main body 1 is provided with an air duct 13, a clip 131 is provided inside the air duct 13, an electrode 132 is provided on the clip 131, and a plug tube 133 is provided outside the air duct 13.

[0042] Sensor module 3 includes:

[0043] Insert 31 is inserted into the inside of insert tube 133;

[0044] Formaldehyde sensor 32 is attached to plug 31 and is used to detect formaldehyde.

[0045] It should be emphasized that the plug block 31 has locking rods 311 on both sides that engage with the plug tube 133, and the bottom of the plug block 31 has an arc-shaped clamping rod 312 that holds the formaldehyde sensor 32.

[0046] Working principle: First, the formaldehyde detection device is started. The motor drives the fan blades 123 to rotate, and the blower 12 starts. The blower 12 draws in the detection air and delivers it into the air duct 13.

[0047] Then, the electrode 132 installed in the air duct 13 clamps the formaldehyde sensor 32. The electrode 132 energizes the formaldehyde sensor 32. Under the dual influence of formaldehyde and current, the formaldehyde sensor 32 will generate current or voltage changes. The results of the changes will be displayed digitally on the LCD screen 21 so that users can intuitively observe and detect the formaldehyde data.

[0048] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A formaldehyde detection device, comprising a device body (1), a display (2), and a sensor module (3), wherein the display (2) is located inside the device body (1), and the sensor module (3) is inserted into the device body (1), characterized in that, The main body (1) of the device is provided with an air duct (13), a clip (131) is provided inside the air duct (13), an electrode (132) is provided on the clip (131), and a plug tube (133) is provided outside the air duct (13). The sensor module (3) includes: Insert (31), the insert (31) being inserted into the inside of the insertion tube (133); A formaldehyde sensor (32) is attached to a plug (31) for detecting formaldehyde.

2. The formaldehyde detection device according to claim 1, characterized in that, The main body (1) of the device is provided with a housing (11). An air outlet (111) is provided on the right side of the housing (11), and an air inlet (112) is provided on the rear side of the housing (11). The air inlet (112) is connected to the air outlet (111). A fixing frame (113) is provided on the front side of the housing (11). A groove (114) is provided on the top of the housing (11). A fixing member (115) is provided on the inner side of the housing (11), and the fixing member (115) is located outside the fixing frame (113).

3. The formaldehyde detection device according to claim 1, characterized in that, The main body (1) of the device is provided with a blower (12), and a positioning component (121) is provided on the blower (12). A rotating shaft (122) is inserted into the inner side of the positioning component (121), and a motor is connected to the rotating shaft (122). A fan blade (123) is sleeved on the outer side of the rotating shaft (122).

4. The formaldehyde detection device according to claim 1, characterized in that, The insertion tube (133) corresponds to the groove (114), and the insertion tube (133) is fixedly connected to the housing (11).

5. The formaldehyde detection device according to claim 1, characterized in that, The display (2) is equipped with an LCD screen (21), which is snapped into the inside of the fixed frame (113).

6. The formaldehyde detection device according to claim 1, characterized in that, The display (2) is provided with an integrated frame (22), which is located behind the LCD screen (21). The outer side of the integrated frame (22) is provided with a slot (221) that engages with a fixing member (115). The integrated frame (22) is provided with a kit (222) that engages with the fixing member (115). The inner side of the kit (222) is provided with a connecting screw (223) that is threadedly connected to the fixing member (115).

7. The formaldehyde detection device according to claim 1, characterized in that, The insert (31) has locking rods (311) on both sides that engage with the insertion tube (133), and the bottom of the insert (31) has an arc-shaped clamping rod (312) that holds the formaldehyde sensor (32).

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