Alarm device for clean laboratory

Abstract

The utility model discloses an alarm device for a clean laboratory, and belongs to the technical field of alarm devices.The alarm device comprises a movable base, the upper end of the movable base is rotationally connected with a rotating disc, the upper end of the rotating disc is fixedly connected with a stand column, and the top of the stand column is fixedly provided with a detection alarm box; a gas detector is fixedly mounted in the detection alarm box; large-particle dust and water mist particles are filtered through the filter screen, interference of the impurities on detection and alarm work of the gas detector and the alarm is prevented, gas in the clean laboratory is sucked into the detection and alarm box through the air draft mechanism, the gas detector can conveniently detect the gas, and the detection and alarm efficiency is improved. The mounting frame and the detection alarm box are convenient to mount and dismount through the fixing unit, so that the filter screen in the mounting frame is convenient to clean and replace, and the detection sensitivity of the gas detector is prevented from being influenced by dust, water vapor and other impurities accumulated after the filter screen is used for a long time.

Description

Technical Field

[0001] The present application relates to the technical field of alarm devices, and in particular to an alarm device for a clean laboratory. Background Art

[0002] A laboratory is a place where experiments are conducted. It is the cradle of science, the base of scientific research, and the source of scientific and technological development. It plays a very important role in the development of science and technology. Therefore, the laboratory needs to maintain a relatively clean environment to facilitate scientific researchers to conduct experiments. Clean laboratories are often equipped with air hazardous substance monitoring alarm devices to detect the safety of gases in the laboratory. The alarm device is of great significance to ensure the personal safety of experimenters.

[0003] Operations in the experimental area will cause dust, water vapor and other impurities to accumulate on the probe of the gas detector, which will affect the monitoring sensitivity of the gas detector in the long run. Therefore, improvements are now made to an alarm device for clean laboratories. Utility Model Content

[0004] In view of the deficiencies of the prior art, the present application provides an alarm device for a clean laboratory, which overcomes the deficiencies of the prior art and aims to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an alarm device for a clean laboratory, comprising a mobile base, a rotating disk rotatably connected to the upper end of the mobile base, a column fixedly connected to the upper end of the rotating disk, a detection alarm box fixedly installed on the top of the column, a gas detector fixedly installed inside the detection alarm box, an alarm fixedly connected to the upper end of the gas detector, an installation groove is provided inside the detection alarm box near the front end, an installation frame is movably installed inside the installation groove, a filter is arranged inside the installation frame, a fixing unit with a fixing function is fixedly installed on one side of the detection alarm box, and an exhaust mechanism is arranged inside the detection alarm box between the gas detector and the filter.

[0006] By adopting the above technical scheme, a filter is set up to filter large particles of dust and water mist particles to prevent these impurities from interfering with the detection and alarm work of the gas detector and alarm, and the exhaust mechanism is used to draw the gas inside the clean laboratory into the inside of the detection alarm box, which is convenient for the gas detector to detect the gas. The installation and disassembly between the installation frame and the detection alarm box are facilitated by the fixing unit, thereby facilitating the cleaning and replacement of the filter inside the installation frame, thereby preventing the dust, water vapor and other impurities accumulated on the filter after long-term use from affecting the monitoring sensitivity of the gas detector.

[0007] As a preferred technical solution of the present application, the fixed unit includes an adjusting box fixedly installed on the outer wall of one side of the detection alarm box, an empty slot is opened inside the adjusting box, a spring is fixedly connected inside the empty slot, the other end of the spring is fixedly connected to a limiting rod, and one side of the limiting rod is fixedly connected to an adjusting block.

[0008] By adopting the above technical solution, the position of the limit rod can be easily adjusted through the spring and the adjustment block.

[0009] As a preferred technical solution of the present application, a fixing hole is opened on one side of the outer surface of the installation frame, the front end of the limiting rod is slidably inserted into the interior of the fixing hole, and the fixing hole is adapted to the limiting rod.

[0010] By adopting the above technical solution, when the limit rod is inserted into the inside of the fixing hole, the fixing unit can fix the installation frame to prevent the installation frame from loosening. When the filter needs to be cleaned and replaced, the limit rod is pulled out from the inside of the fixing hole to facilitate disassembly of the installation frame and cleaning and replacement of the filter.

[0011] As a preferred technical solution of the present application, positioning frames are symmetrically installed on the inner walls of both sides of the detection alarm box, and the inner walls of the positioning frames are arranged in an arc shape and abut against the outer wall of the exhaust mechanism.

[0012] By adopting the above technical solution, the exhaust mechanism is fixedly installed inside the detection alarm box through the positioning frame.

[0013] As a preferred technical solution of the present application, the lower end of the rotating disk is fixedly connected to a rotating rod, the lower end of the rotating rod is rotatably connected to the upper surface of the movable base, a motor is fixedly installed on one side of the lower surface of the rotating disk, the output end of the motor is fixedly connected to a driving gear, one side of the driving gear is meshedly connected to a driven gear, and the driven gear is fixedly sleeved on the outer surface of the rotating rod.

[0014] By adopting the above technical solution, the motor drives the driving gear to rotate, and the driving gear drives the driven gear meshing with it to rotate synchronously, which can drive the rotating rod and the rotating disk to rotate together, so that the detection alarm box rotates, and the exhaust mechanism can absorb the gas within the circular range, thereby expanding the detection range of the gas detector.

[0015] As a preferred technical solution of the present application, universal wheels are fixedly mounted on the lower surface of the mobile base. There are four universal wheels and they are evenly distributed in a linear array on the lower surface of the mobile base.

[0016] By adopting the above technical solution, the mobility convenience of the mobile base is improved.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] In the utility model, a filter is provided to filter large dust particles and water mist particles to prevent these impurities from interfering with the detection and alarm work of the gas detector and the alarm, and an exhaust mechanism is used to draw the gas inside the clean laboratory into the interior of the detection alarm box to facilitate the gas detector to detect the gas. The fixing unit facilitates the installation and disassembly between the installation frame and the detection alarm box, thereby facilitating the cleaning and replacement of the filter inside the installation frame, thereby preventing the dust, water vapor and other impurities accumulated on the filter after long-term use from affecting the monitoring sensitivity of the gas detector.

[0019] With reference to the following description and drawings, specific embodiments of the present invention are disclosed in detail, indicating the manner in which the principles of the present invention can be adopted. It should be understood that the embodiments of the present invention are not limited in scope thereby. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 This is a schematic diagram of the overall structure of this application;

[0022] Figure 2 This is a schematic diagram of the internal structure of the detection alarm box of this application;

[0023] Figure 3 This is a schematic diagram of the installation of the filter screen of this application;

[0024] Figure 4 It is a cross-sectional schematic diagram of the mobile chassis of the present application.

[0025] In the figure: 1. Mobile base; 2. Rotating disk; 3. Column; 4. Detection alarm box; 5. Gas detector; 6. Alarm; 7. Fixed unit; 71. Adjustment box; 72. Spring; 73. Limit rod; 74. Adjustment block; 8. Installation frame; 9. Filter; 10. Installation slot; 11. Fixing hole; 12. Positioning frame; 13. Exhaust mechanism; 14. Rotating rod; 15. Motor; 16. Driving gear; 17. Driven gear; 18. Universal wheel. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] like Figure 1 - Figure 4 As shown, an alarm device for a clean laboratory provided in this embodiment includes a mobile base 1, a rotating disk 2 is rotatably connected to the upper end of the mobile base 1, a column 3 is fixedly connected to the upper end of the rotating disk 2, a detection alarm box 4 is fixedly installed on the top of the column 3, a gas detector 5 is fixedly installed inside the detection alarm box 4, an alarm 6 is fixedly connected to the upper end of the gas detector 5, a mounting groove 10 is opened inside the detection alarm box 4 near the front end, a mounting frame 8 is movably installed inside the mounting groove 10, a filter screen 9 is arranged inside the mounting frame 8, a fixing unit 7 with a fixing function is fixedly installed on one side of the detection alarm box 4, and the interior of the detection alarm box 4 is located at the gas detector 5. An exhaust mechanism 13 is provided between the device 5 and the filter 9. When in use, the filter 9 is provided to filter large dust particles and water mist particles to prevent these impurities from interfering with the detection and alarm work of the gas detector 5 and the alarm 6. The exhaust mechanism 13 is used to absorb the gas inside the clean laboratory into the detection alarm box 4, which is convenient for the gas detector 5 to detect the gas. The fixing unit 7 is used to facilitate the installation and disassembly between the installation frame 8 and the detection alarm box 4, thereby facilitating the cleaning and replacement of the filter 9 inside the installation frame 8, thereby preventing the dust, water vapor and other impurities accumulated in the filter 9 after a long period of use from affecting the monitoring sensitivity of the gas detector 5.

[0028] In this embodiment, if Figure 1 and 3 As shown, the fixed unit 7 includes an adjusting box 71 fixedly installed on the outer wall of one side of the detection alarm box 4, and an empty slot is opened inside the adjusting box 71, and a spring 72 is fixedly connected inside the empty slot, and the other end of the spring 72 is fixedly connected to a limiting rod 73, and one side of the limiting rod 73 is fixedly connected to an adjusting block 74. When in use, the position of the limiting rod 73 can be easily adjusted by the spring 72 and the adjusting block 74.

[0029] In this embodiment, if Figure 1 and 3 As shown, a fixing hole 11 is opened on one side of the outer surface of the installation frame 8, and the front end of the limiting rod 73 is slidably inserted into the interior of the fixing hole 11, and the fixing hole 11 is adapted to the limiting rod 73. When in use, when the limiting rod 73 is inserted into the interior of the fixing hole 11, the fixing unit 7 can fix the installation frame 8 to prevent the installation frame 8 from loosening. When the filter screen 9 needs to be cleaned and replaced, the limiting rod 73 is pulled out from the interior of the fixing hole 11 to facilitate the disassembly of the installation frame 8 and the cleaning and replacement of the filter screen 9.

[0030] In this embodiment, if Figure 2As shown, positioning frames 12 are symmetrically installed on the inner walls of both sides of the detection alarm box 4. The inner walls of the positioning frames 12 are arranged in an arc shape and abut against the outer walls of the exhaust mechanism 13. When in use, the exhaust mechanism 13 is fixedly installed to the inside of the detection alarm box 4 through the positioning frames 12.

[0031] In this embodiment, if Figure 4 As shown, the lower end of the rotating disk 2 is fixedly connected with a rotating rod 14, and the lower end of the rotating rod 14 is rotatably connected to the upper surface of the mobile base 1. A motor 15 is fixedly installed on one side of the lower surface of the rotating disk 2, and the output end of the motor 15 is fixedly connected with a driving gear 16, and one side of the driving gear 16 is meshingly connected with a driven gear 17, and the driven gear 17 is fixedly sleeved on the outer surface of the rotating rod 14. When in use, the driving gear 16 is driven to rotate by the motor 15, and the driven gear 17 meshing with it is driven by the rotation of the driving gear 16 to rotate synchronously, which can drive the rotating rod 14 and the rotating disk 2 to rotate together, so that the detection alarm box 4 rotates, so that the exhaust mechanism 13 can absorb the gas within the circular range, thereby expanding the detection range of the gas detector 5.

[0032] In this embodiment, if Figure 4 As shown, universal wheels 18 are fixedly mounted on the lower surface of the mobile base 1. There are four universal wheels 18 which are evenly distributed in a linear array on the lower surface of the mobile base 1. When in use, the mobility of the mobile base 1 is improved.

[0033] The working principle of the utility model: when using an alarm device for a clean laboratory of the present application, a filter 9 is set to filter large dust particles and water mist particles to prevent these impurities from interfering with the detection and alarm work of the gas detector 5 and the alarm 6, and the exhaust mechanism 13 is used to absorb the gas inside the clean laboratory into the detection alarm box 4, which is convenient for the gas detector 5 to detect the gas. The fixing unit 7 facilitates the installation and disassembly between the installation frame 8 and the detection alarm box 4, thereby facilitating the cleaning and replacement of the filter 9 inside the installation frame 8, thereby preventing the dust, water vapor and other impurities accumulated in the filter 9 after a long period of use from affecting the monitoring sensitivity of the gas detector 5.

[0034] The present invention is described above in conjunction with specific implementation methods, but those skilled in the art should be aware that these descriptions are exemplary and are not limitations on the scope of protection of the present invention. Those skilled in the art can make various variations and modifications to the present invention based on the spirit and principles of the present invention, and these variations and modifications are also within the scope of the present invention.

Claims

1. An alarm device for a clean laboratory, comprising a mobile base (1), characterized in that: The upper end of the movable base (1) is rotatably connected to a rotating disk (2), the upper end of the rotating disk (2) is fixedly connected to a column (3), a detection alarm box (4) is fixedly installed on the top of the column (3), a gas detector (5) is fixedly installed inside the detection alarm box (4), an alarm (6) is fixedly connected to the upper end of the gas detector (5), a mounting groove (10) is provided inside the detection alarm box (4) near the front end, a mounting frame (8) is movably installed inside the mounting groove (10), a filter screen (9) is arranged inside the mounting frame (8), a fixing unit (7) with a fixing function is fixedly installed on one side of the detection alarm box (4), and an exhaust mechanism (13) is arranged inside the detection alarm box (4) between the gas detector (5) and the filter screen (9).

2. The clean laboratory alarm device according to claim 1, characterized in that: The fixing unit (7) comprises an adjusting box (71) fixedly mounted on an outer wall of one side of the detection alarm box (4); a hollow groove is provided inside the adjusting box (71); a spring (72) is fixedly connected inside the hollow groove; the other end of the spring (72) is fixedly connected to a limiting rod (73); and one side of the limiting rod (73) is fixedly connected to an adjusting block (74).

3. The clean laboratory alarm device according to claim 2, characterized in that: A fixing hole (11) is provided on one side of the outer surface of the installation frame (8), and the front end of the limiting rod (73) is slidably inserted into the interior of the fixing hole (11), and the fixing hole (11) is adapted to the limiting rod (73).

4. The clean laboratory alarm device according to claim 1, characterized in that: Positioning frames (12) are symmetrically mounted on the inner walls of both sides of the detection alarm box (4); the inner walls of the positioning frames (12) are arranged in an arc shape and abut against the outer wall of the exhaust mechanism (13).

5. The clean laboratory alarm device according to claim 1, characterized in that: The lower end of the rotating disk (2) is fixedly connected to a rotating rod (14), the lower end of the rotating rod (14) is rotatably connected to the upper surface of the movable base (1), a motor (15) is fixedly mounted on one side of the lower surface of the rotating disk (2), an output end of the motor (15) is fixedly connected to a driving gear (16), one side of the driving gear (16) is meshedly connected to a driven gear (17), and the driven gear (17) is fixedly sleeved on the outer surface of the rotating rod (14).

6. The clean laboratory alarm device according to claim 1, characterized in that: Universal wheels (18) are fixedly mounted on the lower surface of the mobile base (1); there are four universal wheels (18) which are evenly distributed in a linear array on the lower surface of the mobile base (1).

Images