Volatile organic compound detection device

Abstract

The utility model relates to the technical field of volatile organic compound detection, and discloses a volatile organic compound detection device, which solves the problems in the background technology, and comprises a base, the top of the base is fixedly connected with a shell, the surface of the shell is provided with a display screen, the inner cavity of the shell is provided with a detection bin, and the detection bin is provided with a display screen. A notch is formed in the top of the shell, a detachable air inlet pipe is inserted into the notch, a detection mechanism is arranged in an inner cavity of the detection bin, a fixing frame is further fixedly connected to the inner cavity of the detection bin, a suction fan is arranged in the fixing frame, an air outlet pipe is connected to the side face of the detection bin, and a fixing plate is fixedly connected to the side face of the air inlet pipe. The top of the fixing plate is provided with a slot, and the top of the shell is fixedly connected with a fixing rod, the air inlet pipe can be conveniently mounted and dismounted, so that the air inlet pipe can be conveniently cleaned, a user can conveniently use the air inlet pipe, and the accuracy of detection data is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of volatile organic compound detection, and specifically relates to a volatile organic compound detection device. Background Art

[0002] Volatile organic compounds refer to organic compounds with a saturated vapor pressure greater than 70 Pa at normal temperature and a boiling point below 260 °C under normal pressure, or all organic compounds with a vapor pressure greater than or equal to 10 Pa and volatility under the condition of 20 °C.

[0003] Existing detection devices generally place the detection device in a sealed room, and then make air enter the interior of the detection device through the air duct of the detection device for detection by the detection mechanism. However, after long-term use, more adhesives will adhere to the inner wall of the air duct of the existing detection device, and the adhesives will reduce the accuracy of the detection data. Therefore, it is necessary to frequently clean the air duct. The air duct is generally limited and fixed by multiple bolts, resulting in trouble when replacing the air duct and being inconvenient for the staff to use. For this reason, we have proposed a volatile organic compound detection device. Summary of the Utility Model

[0004] In order to solve the problem that after long-term use, more adhesives will adhere to the inner wall of the air duct of the existing detection device, the adhesives will reduce the accuracy of the detection data, so it is necessary to frequently clean the air duct. The air duct is generally limited and fixed by multiple bolts, resulting in trouble when replacing the air duct and being inconvenient for the staff to use, the utility model provides the following technical solution: a volatile organic compound detection device, including a base, a shell is fixedly connected to the top of the base, a display screen is arranged on the surface of the shell, a detection chamber is opened in the inner cavity of the shell, a notch is opened at the top of the shell, a detachable air inlet pipe is inserted in the notch, a detection mechanism is arranged in the inner cavity of the detection chamber, a fixing frame is also fixedly connected in the inner cavity of the detection chamber, a suction fan is arranged in the fixing frame, an air outlet pipe is connected to the side of the detection chamber, a fixing plate is fixedly connected to the side of the air inlet pipe, a slot is opened at the top of the fixing plate, a fixing rod is fixedly connected to the top of the shell, the fixing rod can be inserted into the slot, and a sliding groove is opened on the side of the fixing rod, and a limiting mechanism is arranged in the inner cavity of the sliding groove.

[0005] Preferably, the limiting mechanism includes a spring, a sliding plate and a clamping block. One end of the spring is fixedly connected to the side wall of the inner cavity of the sliding groove, the sliding plate is slidably inserted into the sliding groove, the clamping block is fixedly connected to the other side of the sliding plate, a clamping groove is opened on the side of the inner cavity of the fixing plate where the slot is located, and the clamping block can be inserted into the clamping groove.

[0006] Preferably, the number of the fixing plates is two, and the two fixing plates are respectively located on both sides of the air inlet pipe. The number of the fixing rods is also two, and the two fixing rods are respectively arranged corresponding to the positions of the two fixing plates.

[0007] Preferably, two groups of limiting mechanisms are arranged on each fixing rod, and the two groups of limiting mechanisms are respectively located on the two side surfaces of the fixing rod. The number of springs in each group of limiting mechanisms is two, and the two springs are respectively fixedly connected to the top and the bottom of the inner cavity side wall of the sliding groove.

[0008] Preferably, a connecting pipe is arranged at the top of the detection chamber, the bottom of the air inlet pipe is sleeved on the connecting pipe, and a gasket is arranged between the air inlet pipe and the connecting pipe.

[0009] Preferably, the shape of the clamping block is semi-circular, the shape of the clamping groove is also semi-circular, and the diameter of the clamping groove is slightly larger than that of the clamping block.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] By placing the whole device in a sealed room, then starting the device, and simultaneously starting the suction fan, the suction fan will suck the air inside the room into the detection chamber through the air inlet pipe. The density of volatile organic compounds in the gas inside the detection chamber can be detected through the detection mechanism, and the detection data can be recorded through the display screen. When the air inlet pipe needs to be disassembled, pull the air inlet pipe upward, and the air inlet pipe will drive the fixing plate to slide upward. When the fixing plate slides upward, the clamping groove can squeeze the clamping block, and the clamping block will drive the sliding plate to slide. When the sliding plate slides, it will squeeze the spring. When the clamping block disengages from the clamping groove, the fixing rod can be disengaged from the slot, and the disassembly of the air inlet pipe can be realized. When the air inlet pipe needs to be installed, align the air inlet pipe with the connecting pipe at the top of the detection chamber, and align the fixing rod with the slot at the bottom of the fixing plate. Then press the air inlet pipe downward, and the air inlet pipe will drive the fixing plate to slide downward and be sleeved on the fixing rod. When the clamping block is inserted into the clamping groove, the limiting and fixing of the air inlet pipe can be realized, which realizes the convenient installation and disassembly of the air inlet pipe, thereby achieving the effect of facilitating the cleaning of the air inlet pipe, facilitating the use of users, and further improving the accuracy of detection data. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification. Together with the embodiments of the utility model, they are used to explain the utility model, and do not constitute a limitation to the utility model. In the drawings:

[0013] Figure 1 is a schematic structural diagram of the whole of the utility model;

[0014] Figure 2Schematic diagram of the sectional structure of the front view of the whole of the utility model;

[0015] Figure 3 For the present utility model Figure 2 Enlarged structure diagram of A in it;

[0016] Figure 4 Schematic diagram of the side view structure of the fixing frame and the suction fan of the present utility model;

[0017] In the figure: 1, base; 2, outer shell; 3, display screen; 4, sealing gasket; 5, intake pipe; 6, exhaust pipe; 7, detection chamber; 8, detection mechanism; 9, fixing frame; 10, suction fan; 11, fixing plate; 12, slot; 13, fixing rod; 14, sliding groove; 15, spring; 16, sliding plate; 17, clamping block; 18, clamping groove. Specific embodiments

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with 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 embodiments; based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0019] Consisting of Figures 1-4 Given, the present utility model includes a base 1, the top of the base 1 is fixedly connected with an outer shell 2, the surface of the outer shell 2 is provided with a display screen 3, the inner cavity of the outer shell 2 is provided with a detection chamber 7, the top of the outer shell 2 is provided with a notch, and a detachable intake pipe 5 is inserted in the notch. The inner cavity of the detection chamber 7 is provided with a detection mechanism 8, and the inner cavity of the detection chamber 7 is also fixedly connected with a fixing frame 9. A suction fan 10 is arranged in the fixing frame 9. The side of the detection chamber 7 is connected with an exhaust pipe 6. The side of the intake pipe 5 is fixedly connected with a fixing plate 11. The top of the fixing plate 11 is provided with a slot 12. The top of the outer shell 2 is fixedly connected with a fixing rod 13. The fixing rod 13 can be inserted into the slot 12. A sliding groove 14 is provided on the side of the fixing rod 13, and a limiting mechanism is arranged in the inner cavity of the sliding groove 14.

[0020] The limiting mechanism includes a spring 15, a sliding plate 16 and a clamping block 17. One end of the spring 15 is fixedly connected to the side wall of the inner cavity of the sliding groove 14. The sliding plate 16 is slidably inserted into the sliding groove 14. The clamping block 17 is fixedly connected to the other side of the sliding plate 16. A clamping groove 18 is provided on the side of the inner cavity of the fixing plate 11 corresponding to the slot 12. The clamping block 17 can be inserted into the clamping groove 18. The limiting mechanism can limit and fix the intake pipe 5, thereby improving the stability of the intake pipe 5 and facilitating the installation and disassembly of the intake pipe 5.

[0021] There are two fixing plates 11, and the two fixing plates 11 are respectively located on both sides of the intake pipe 5. The number of fixing rods 13 is also two, and the two fixing rods 13 are arranged corresponding to the positions of the two fixing plates 11. The setting of the two fixing rods 13 can facilitate the intake pipe 5 to be more stable and prevent the intake pipe 5 from tilting.

[0022] There are two groups of limiting mechanisms on each fixing rod 13, and the two groups of limiting mechanisms are respectively located on the two side surfaces of the fixing rod 13. The number of springs 15 in each group of limiting mechanisms is two, and the two springs 15 are respectively fixedly connected to the top and bottom of the inner cavity side wall of the chute 14. The two springs 15 can make the sliding plate 16 more stable when sliding, so that the clamping block 17 can be stably inserted into the clamping groove 18 and prevent the clamping block 17 from tilting.

[0023] A connecting pipe is provided at the top of the detection chamber 7, the bottom of the intake pipe 5 is sleeved on the connecting pipe, and a sealing gasket 4 is provided between the intake pipe 5 and the connecting pipe. The setting of the sealing gasket 4 can improve the sealing performance between the intake pipe 5 and the detection chamber 7.

[0024] The shape of the clamping block 17 is semi-circular, and the shape of the clamping groove 18 is also semi-circular. The diameter of the clamping groove 18 is slightly larger than the diameter of the clamping block 17, which facilitates the clamping block 17 to be inserted into the clamping groove 18.

[0025] Working principle: When working, first place the whole device in a sealed room, then start the device, and at the same time start the suction fan 10. The suction fan 10 will suck the air inside the room into the detection chamber 7 through the intake pipe 5. The density of volatile organic compounds in the gas inside the detection chamber 7 can be detected through the detection mechanism 8, and the detection data can be recorded through the display screen 3. When it is necessary to disassemble the intake pipe 5, pull the intake pipe 5 upward. The intake pipe 5 will drive the fixing plate 11 to slide upward. When the fixing plate 11 slides upward, the clamping groove 18 can squeeze the clamping block 17, and the clamping block 17 will drive the sliding plate 16 to slide. When the sliding plate 16 slides, it will squeeze the spring 15. When the clamping block 17 disengages from the clamping groove 18, the fixing rod 13 can be disengaged from the slot 12, and the disassembly of the intake pipe 5 can be realized. When it is necessary to install the intake pipe 5, align the intake pipe 5 with the connecting pipe at the top of the detection chamber 7, and align the fixing rod 13 with the slot 12 at the bottom of the fixing plate 11, then press the intake pipe 5 downward. The intake pipe 5 will drive the fixing plate 11 to slide downward and be sleeved on the fixing rod 13. When the clamping block 17 is inserted into the clamping groove 18, the limiting and fixing of the intake pipe 5 can be realized.

[0026] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0027] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Volatile organic compound detection device, including a base (1), characterized in that: The top of the base (1) is fixedly connected with a housing (2). A display screen (3) is provided on the surface of the housing (2). A detection chamber (7) is opened in the inner cavity of the housing (2). A notch is opened at the top of the housing (2), and a detachable air inlet pipe (5) is inserted into the notch. A detection mechanism (8) is provided in the inner cavity of the detection chamber (7). A fixing frame (9) is also fixedly connected in the inner cavity of the detection chamber (7). A suction fan (10) is provided in the fixing frame (9). An air outlet pipe (6) is connected to the side of the detection chamber (7). A fixing plate (11) is fixedly connected to the side of the air inlet pipe (5). A slot (12) is opened at the top of the fixing plate (11). A fixing rod (13) is fixedly connected to the top of the housing (2), and the fixing rod (13) can be inserted into the slot (12). A sliding groove (14) is opened on the side of the fixing rod (13), and a limiting mechanism is provided in the inner cavity of the sliding groove (14).

2. The volatile organic compound detection device according to claim 1, wherein: The limiting mechanism includes a spring (15), a sliding plate (16) and a clamping block (17). One end of the spring (15) is fixedly connected to the side wall of the inner cavity of the sliding groove (14). The sliding plate (16) is slidably inserted into the sliding groove (14). The clamping block (17) is fixedly connected to the other side of the sliding plate (16). A clamping groove (18) is opened on the side of the inner cavity of the fixing plate (11) where the slot (12) is located, and the clamping block (17) can be inserted into the clamping groove (18).

3. The volatile organic compound detection device according to claim 2, wherein: The number of the fixing plates (11) is two, and the two fixing plates (11) are respectively located on both sides of the air inlet pipe (5). The number of the fixing rods (13) is also two, and the two fixing rods (13) are respectively arranged corresponding to the positions of the two fixing plates (11).

4. The volatile organic compound detection device according to claim 3, characterized in that: Two groups of limiting mechanisms are provided on each fixing rod (13), and the two groups of limiting mechanisms are respectively located on the two side surfaces of the fixing rod (13). The number of springs (15) in each group of limiting mechanisms is two, and the two springs (15) are respectively fixedly connected to the top and bottom of the side wall of the inner cavity of the sliding groove (14).

5. The volatile organic compound detection device according to claim 4, wherein: A connecting pipe is provided at the top of the detection chamber (7). The bottom of the air inlet pipe (5) is sleeved on the connecting pipe, and a sealing gasket (4) is provided between the air inlet pipe (5) and the connecting pipe.

6. The volatile organic compound detection device according to claim 5, wherein: The shape of the clamping block (17) is semicircular, and the shape of the clamping groove (18) is also semicircular. The diameter of the clamping groove (18) is slightly larger than the diameter of the clamping block (17).

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