Portable TVOC (Total Volatile Organic Compound) detection device

Abstract

The utility model discloses a portable TVOC detection device, and belongs to the field of TVOC detection, the portable TVOC detection device comprises a fixed plate, the top of the fixed plate is fixedly provided with a TVOC detector, the outer side of the TVOC detector is fixedly provided with a display screen, the outer side of the TVOC detector is fixedly provided with an LED alarm lamp and an alarm horn, and the outer side of the TVOC detector is fixedly provided with an alarm lamp. A fixing block is fixedly mounted on one side, far away from the display screen, of the TVOC detector, a magnetic column is fixedly mounted on the inner wall of the fixing block, three positioning plates are uniformly and fixedly mounted at the bottom of the fixing plate, bolts are inserted into the inner walls of the positioning plates, and rotating blocks are fixedly mounted on the outer sides of the bolts; the first telescopic pipe, the second telescopic pipe, the third telescopic pipe, the fourth telescopic pipe and the fifth telescopic pipe can be slidably unfolded by pulling the holding rod, so that the distance between the holding rod and the TVOC detector can be prolonged, the TVOC detector can be conveniently placed in a narrow space for indoor TVOC concentration detection operation, and the detection convenience is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of TVOC detection, in particular to a portable TVOC detection device. BACKGROUND

[0002] TVOC is one of the three kinds of indoor air quality pollution that has a relatively serious impact, TVOC refers to an organic matter with a saturated vapor pressure exceeding 133.32 Pa at room temperature, a boiling point of 50 DEG C to 250 DEG C, and an evaporation form existing in the air at normal temperature, which can affect the skin and mucous membranes and cause acute damage to the human body due to its toxicity, irritability, carcinogenicity and special odor. In order to ensure the safety of the personnel living environment, it is necessary to use a portable TVOC detection device to detect the indoor TVOC concentration.

[0003] In the published patent with the authorization announcement No. CN216082686U, during the use of the device, the solar cell panel can convert solar energy into electric energy to charge the battery inside the TVOC detector shell, so that the device can always be in a state of sufficient power, without the need for regular charging of the device, which is convenient to use and energy-saving and environment-friendly.

[0004] The above device is inconvenient to place in a small and narrow space for detection operation. Since the specifications of houses and buildings are different after decoration, the space is relatively small, and the staff cannot walk to the inside for detection, thereby affecting the convenience and efficiency of air sampling. CONTENT OF THE INVENTION

[0005] In view of the deficiencies of the prior art, the present application provides a portable TVOC detection device, which overcomes the deficiencies of the prior art and aims to solve the problems in the background art.

[0006] In order to achieve the above purpose, the application adopts the following technical scheme: a portable TVOC detection device, comprising a fixed plate, a TVOC detector is fixedly installed on the top of the fixed plate, a display screen is fixedly installed on the outer side of the TVOC detector, an LED alarm lamp and an alarm horn are fixedly installed on the outer side of the TVOC detector respectively, a fixed block is fixedly installed on the side of the TVOC detector away from the display screen, a magnetic column is fixedly installed on the inner wall of the fixed block, three positioning plates are uniformly fixedly installed on the bottom of the fixed plate, a bolt is inserted into the inner wall of the positioning plate, a rotating block is fixedly installed on the outer side of the bolt, a threaded ring is threadedly connected to the outer edge of the bolt, a rotating plate is rotatably connected to the outer edge of the bolt, a notch is formed in the outer side of the rotating plate, and an extension assembly is fixedly connected to the bottom of the notch.

[0007] As a preferred implementation, the telescopic assembly includes a telescopic tube one fixedly connected to the bottom of the rotating plate, the outer edge of the telescopic tube one is slidingly connected with a telescopic tube two, the outer edge of the telescopic tube two is slidingly connected with a telescopic tube three, the outer edge of the telescopic tube three is slidingly connected with a telescopic tube four, the outer edge of the telescopic tube four is slidingly connected with a telescopic tube five, and the bottom of the telescopic tube five is fixedly connected with a handle bar, so that the telescopic tube one, the telescopic tube two, the telescopic tube three, the telescopic tube four and the telescopic tube five can be slidingly unfolded by pulling the handle bar, thereby the distance between the handle bar and the TVOC detector can be extended, and the TVOC detector can be placed in a small and narrow space for indoor TVOC concentration detection operation, thereby improving the convenience during detection.

[0008] As a preferred implementation, the outer edge of the handle bar is uniformly distributed with a plurality of anti-skid lines, so that the friction of the user's hand can be increased, thereby the stability of the user's hand when holding can be ensured, and the hand from slipping to fall can be prevented.

[0009] As a preferred implementation, the outer edge of the handle bar is fixedly installed with a magnetic block, and the magnetic poles of the magnetic block and the magnetic column are N pole and S pole, so that when the slot is located at the outer side of the fixed plate by rotating the telescopic assembly, the telescopic assembly can be folded to the side close to the fixed block of the TVOC detector, until the anti-skid lines are attached to the inner wall of the fixed block, so that the magnetic block and the magnetic column are attached, thereby the anti-skid lines can be adsorbed and positioned on the inner wall of the fixed block by using the magnetic attraction principle, thereby reducing the space occupation and facilitating storage.

[0010] As a preferred implementation, the top of the fixed block is fixedly connected with a circular ring, and the inner wall of the circular ring is fixedly connected with a hanging rope, so that the device can be hung up by using the hanging rope when it is not needed, thereby improving the convenience when placing.

[0011] As a preferred implementation, the outer edge of the threaded ring is fixedly installed with a plurality of protrusions, the outer side of the threaded ring is attached to the outer side of the positioning plate, and the side close to the threaded ring of the rotating block is also attached to the outer side of the positioning plate, the convenience of the user when rotating the threaded ring is increased by using the set protrusions, thereby facilitating the two rotating plates to be stably clamped on the inner wall of the three positioning plates, ensuring that they will not easily rotate, and the hand holding the rotating block can position the bolt, ensuring that the bolt will not easily rotate when the threaded ring is rotated.

[0012] As a preferred implementation, the two rotating plates are rotatably connected to the middle position of the three positioning plates, so that the three positioning plates can be used to position the two rotating plates, ensuring that the rotating block will not easily rotate after cooperating with the threaded ring to lock the rotating plate.

[0013] As a preferred embodiment, the side wall of the TVOC detector is fixedly provided with a sensor sampling window, and the inner wall of the TVOC detector is provided with a USB charging socket. The sensor sampling window can be used for sampling and detecting air, and the data line interface can be plugged into the USB charging socket on the inner wall to charge the TVOC detector, so that the TVOC detector can normally operate.

[0014] The beneficial effects of the present application are:

[0015] 1. The portable TVOC detection device can slide and expand the telescopic pipes one, two, three, four and five by pulling the handle, so as to prolong the distance between the handle and the TVOC detector, and facilitate the placement of the TVOC detector in a small space for indoor TVOC concentration detection operation, improving the convenience of detection.

[0016] 2. The portable TVOC detection device can rotate the telescopic assembly by rotating the protrusion to drive the threaded ring, so that the positioning plate and the rotating plate are in a loose state, and then the telescopic assembly can be folded to the side of the TVOC detector close to the fixed block, until the anti-slip pattern is attached to the inner wall of the fixed block, so that the magnetic block and the magnetic column are attached, and the anti-slip pattern can be positioned on the inner wall of the fixed block by magnetic attraction, so as to reduce the space occupation and facilitate storage. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective structural schematic diagram of the present application;

[0018] Figure 2 It is a perspective structural schematic diagram of the present application; Figure 1 It is an enlarged structural schematic diagram of A in the present application;

[0019] Figure 3 It is another perspective structural schematic diagram of the present application;

[0020] Figure 4 It is a partial structural schematic diagram of the present application.

[0021] In the figure, 1 is a fixed plate; 2 is a TVOC detector; 3 is a display screen; 4 is an LED alarm lamp; 5 is an alarm horn; 6 is a sensor sampling window; 7 is a USB charging socket; 8 is a fixed block; 9 is a magnetic column; 10 is a ring; 11 is a hanging rope; 12 is a positioning plate; 13 is a bolt; 14 is a rotating block; 15 is a threaded ring; 16 is a protrusion; 17 is a rotating plate; 18 is a slot; 19 is a telescopic assembly; 1901 is a telescopic pipe one; 1902 is a telescopic pipe two; 1903 is a telescopic pipe three; 1904 is a telescopic pipe four; 1905 is a telescopic pipe five; 1906 is a handle; 1907 is an anti-slip pattern; 1908 is a magnetic block. Detailed Implementation

[0022] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0023] Reference Figures 1-4 A portable TVOC detection device includes a fixed plate 1, a TVOC detector 2 fixedly mounted on the top of the fixed plate 1, a display screen 3 fixedly mounted on the outside of the TVOC detector 2, an LED alarm light 4 and an alarm horn 5 fixedly mounted on the outside of the TVOC detector 2, a fixed block 8 fixedly mounted on the side of the TVOC detector 2 away from the display screen 3, a magnetic column 9 fixedly mounted on the inner wall of the fixed block 8, three positioning plates 12 evenly fixedly mounted on the bottom of the fixed plate 1, pins 13 inserted into the inner wall of the positioning plates 12, a rotating block 14 fixedly mounted on the outside of the pins 13, a threaded ring 15 threadedly connected to the outer edge of the pins 13, a rotating plate 17 rotatably connected to the outer edge of the pins 13, a slot 18 opened on the outer side of the rotating plate 17, and a telescopic component 19 fixedly connected to the bottom of the slot 18.

[0024] See Figure 1 - Figure 3 The telescopic assembly 19 includes a telescopic tube 1901 fixedly connected to the bottom of the rotating plate 17. A telescopic tube 1902 is slidably connected to the outer edge of the telescopic tube 1901. A telescopic tube 1903 is slidably connected to the outer edge of the telescopic tube 1902. A telescopic tube 1904 is slidably connected to the outer edge of the telescopic tube 1903. A telescopic tube 1905 is slidably connected to the outer edge of the telescopic tube 1904. A handle 1906 is fixedly connected to the bottom of the telescopic tube 1905. Pulling the handle 1906 allows the telescopic tubes 1901, 2902, 31903, 41904, and 51905 to slide and unfold, thereby extending the distance between the handle 1906 and the TVOC detector 2. This facilitates placing the TVOC detector 2 in confined spaces for indoor TVOC concentration testing, improving the convenience of testing.

[0025] See Figure 1 and Figure 3 The outer edge of the grip 1906 has several anti-slip textures 1907 evenly distributed, which increases the friction of the user's hand, thereby ensuring the stability of the user's hand when holding it and preventing it from easily slipping and falling.

[0026] See Figure 3The outer edge of the handle 1906 is fixedly provided with a magnetic block 1908, and the magnetic poles of the magnetic block 1908 and the magnetic column 9 are N poles and S poles, so that rotating the telescopic assembly 19 can fold the telescopic assembly 19 to the side of the TVOC detector 2 close to the fixed block 8 when the notch 18 is located at the outer side of the fixed plate 1, until the anti-skid pattern 1907 is attached to the inner wall of the fixed block 8, so that the magnetic block 1908 and the magnetic column 9 are attached to each other, so that the anti-skid pattern 1907 can be adsorbed and positioned on the inner wall of the fixed block 8 by using the magnetic attraction principle, thereby reducing the space occupation and facilitating storage.

[0027] Referring to Figure 3 The top of the fixed block 8 is fixedly connected with a circular ring 10, and the inner wall of the circular ring 10 is fixedly connected with a hanging rope 11, so that the device can be hung up by using the hanging rope 11 when it is not needed, thereby improving the convenience when placing.

[0028] Referring to Figure 4 The outer edge of the threaded ring 15 is fixedly provided with a plurality of protrusions 16, the outer side of the threaded ring 15 is attached to the outer side of the positioning plate 12, and the side of the rotating block 14 close to the threaded ring 15 is also attached to the outer side of the positioning plate 12. The protrusions 16 increase the convenience of the user when rotating the threaded ring 15, thereby facilitating the stable clamping of the two rotating plates 17 on the inner wall of the three positioning plates 12, and preventing them from easily rotating. Holding the rotating block 14 with the hand can position the bolt 13, and prevent the bolt 13 from easily rotating when rotating the threaded ring 15.

[0029] Referring to Figure 3 and Figure 4 The two rotating plates 17 are rotatably connected to the middle positions of the three positioning plates 12, so that the three positioning plates 12 can position the two rotating plates 17, and prevent the rotating block 14 from easily rotating after cooperating with the threaded ring 15 to lock the rotating plate 17.

[0030] Referring to Figure 3 The side wall of the TVOC detector 2 is fixedly provided with a sensor sampling window 6, and the inner wall of the TVOC detector 2 is provided with a USB charging jack 7. The sensor sampling window 6 can be used for sampling and detecting air, and the data line interface is inserted into the inner wall position of the USB charging jack 7, so that the TVOC detector 2 can be charged, thereby ensuring normal operation.

[0031] Working principle: when using the device, first, the user can hold the device to sample and detect the air by the sensor sampling window 6, then when sampling in a narrow space, first, pull the handle 1906 to make the telescopic pipe one 1901, telescopic pipe two 1902, telescopic pipe three 1903, telescopic pipe four 1904 and telescopic pipe five 1905 can slide and unfold, so as to lengthen the distance between the handle 1906 and the TVOC detector 2, so as to facilitate the placement of the TVOC detector 2 in the narrow space for indoor TVOC concentration detection work, improve the convenience of detection, after detection, rotate the convex 16 to drive the threaded ring 15 to rotate, so that the positioning plate 12 and the rotating plate 17 are in a relaxed state, then rotate the telescopic assembly 19 to fold the telescopic assembly 19 to the side of the TVOC detector 2 close to the fixed block 8, until the anti-skid pattern 1907 is attached to the inner wall of the fixed block 8, so that the magnetic block 1908 and the magnetic column 9 are attached to each other, so that the anti-skid pattern 1907 can be adsorbed and positioned on the inner wall of the fixed block 8 by the magnetic attraction principle, so as to reduce the space occupation and facilitate storage, and when the device is not needed, the device can be hung by the hanging rope 11, improving the convenience of placement.

[0032] In the description of the present application, it should be pointed out that the positions or position relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" are based on the positions or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the application. The application. Therefore, it cannot be understood as limiting the application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0033] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific situation.

[0034] The present application has been described above in combination with specific embodiments, but those skilled in the art should understand that these descriptions are exemplary and not limiting the scope of protection of the present application. Those skilled in the art can make various modifications and modifications to the present application according to the spirit and principles of the present application, and these modifications and modifications are also within the scope of the present application.

Claims

1. A portable TVOC detection device comprising a fixing plate (1), characterized in that, The top of the fixed plate (1) is fixedly installed with a TVOC detector (2), the outer side of the TVOC detector (2) is fixedly installed with a display screen (3), the outer side of the TVOC detector (2) is respectively fixedly installed with an LED alarm lamp (4) and an alarm horn (5), the side of the TVOC detector (2) away from the display screen (3) is fixedly installed with a fixed block (8), the inner wall of the fixed block (8) is fixedly installed with a magnetic column (9), the bottom of the fixed plate (1) is uniformly fixedly installed with three positioning plates (12), the inner wall of the positioning plate (12) is inserted with a bolt (13), the outer side of the bolt (13) is fixedly installed with a rotating block (14), the outer edge of the bolt (13) is threadedly connected with a threaded ring (15), the outer edge of the bolt (13) is rotatably connected with a rotating plate (17), the outer side of the rotating plate (17) is provided with a notch (18), the bottom of the notch (18) is fixedly connected with a telescopic assembly (19), the telescopic assembly (19) comprises a telescopic pipe one (1901) fixedly connected to the bottom of the rotating plate (17), the outer edge of the telescopic pipe one (1901) is slidably connected with a telescopic pipe two (1902), the outer edge of the telescopic pipe two (1902) is slidably connected with a telescopic pipe three (1903), the outer edge of the telescopic pipe three (1903) is slidably connected with a telescopic pipe four (1904), the outer edge of the telescopic pipe four (1904) is slidably connected with a telescopic pipe five (1905), the bottom of the telescopic pipe five (1905) is fixedly connected with a handle rod (1906), the outer edge of the handle rod (1906) is uniformly provided with a plurality of anti-skid lines (1907), the outer edge of the handle rod (1906) is fixedly installed with a magnetic block (1908), the magnetic poles of the magnetic block (1908) and the magnetic column (9) are N-pole and S-pole.

2. The portable TVOC detection device of claim 1, wherein, The top of the fixed block (8) is fixedly connected with a circular ring (10), and the inner wall of the circular ring (10) is fixedly connected with a lifting rope (11).

3. The portable TVOC detection device of claim 1, wherein, The outer edge of the threaded ring (15) is fixedly installed with a plurality of protrusions (16), the outer side of the threaded ring (15) is attached to the outer side of the positioning plate (12), and the side of the rotating block (14) close to the threaded ring (15) is also attached to the outer side of the positioning plate (12).

4. The portable TVOC detection device of claim 1, wherein, The two rotating plates (17) are rotatably connected to the middle positions of the three positioning plates (12).

5. The portable TVOC detection device of claim 1, wherein, The side wall of the TVOC detector (2) is fixedly installed with a sensor sampling window (6), and the inner wall of the TVOC detector (2) is provided with a USB charging socket (7).

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