High-cleanliness space sampling equipment
By using nitrogen circulation purification channels and circulation filtration technology in high-clean space sampling equipment, the problems of sample contamination and poor filtration effect are solved, and a high-clean sampling environment and efficient metal ion filtration effect are achieved.
Patent Information
- Application Number
- CN202420682829.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-04-03
AI Technical Summary
When existing sampling equipment collects samples from high and clean spaces, the samples are easily contaminated by the atmosphere, and the filtration effect is not detailed enough, making it difficult to effectively remove metal ions and particle particles.
A high-clean space sampling equipment is designed, which uses a nitrogen circulation purification channel. Clean nitrogen is transported into the equipment through a filter device and a fan to maintain a high cleanliness state of the sampling environment. Circulation filtration is achieved through the return air duct to maximize filtration. metal ions.
It effectively avoids air contamination of samples, improves the filtration effect, ensures a highly clean state of the sampling environment, and removes metal ions in the environment to the greatest extent.
Smart Images
Figure CN222368606U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sampling equipment, in particular to a high-clean space sampling equipment. Background Art
[0002] Clean room, also called clean workshop, clean room, dust-free room, refers to a specially designed room that removes pollutants such as particles, harmful air, bacteria, etc. in the air within a certain space, and controls the indoor temperature, cleanliness, indoor pressure, air flow speed and distribution, noise vibration, lighting, and static electricity within a certain required range. In other words, no matter how the external air conditions change, the room can maintain the cleanliness, temperature, humidity, pressure and other properties originally set.
[0003] With the development of science and technology, the requirements for microbial contamination control in high-clean spaces are getting higher and higher. In these areas, it is necessary to collect and analyze samples of air, surface and liquid in high-clean spaces in order to evaluate the cleanliness level and take corresponding measures. In the original plan, the sampling personnel were exposed to the atmospheric environment. The atmosphere would enter the sampling bottle with the sample, contaminating the sample and causing the sample metal ions and particulate particles to be too high. During the filtration process, the internal circulation filtration could not be performed, and the sample filtration was not detailed enough. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a high clean space sampling device with a nitrogen circulation purification channel function to avoid air contamination of samples.
[0005] The utility model is implemented by the following technical scheme: a high clean space sampling device, comprising a main body shell, a top cover is fixedly connected to the top of the main body shell, a top plate is fixedly connected to the top of the top cover, and a filtering device is fixedly connected inside the top cover;
[0006] The filtering device comprises a connecting plate, a protective shell is fixedly connected to the bottom of the connecting plate, two fans are fixedly connected to the inside of the protective shell, and a filtering plate is fixedly connected to the bottom of the protective shell;
[0007] A baffle is fixedly connected to one side of the inner wall of the main shell, and a return air duct is opened inside the baffle.
[0008] Through the above technical solution, the main shell has good sealing performance, and the top cover installs the filter device inside to prevent the filter device from being exposed to the air, thereby improving the filtering effect. The fan of the filter device transmits the nitrogen through the filter plate to the inside of the device, and transmits the clean nitrogen to the inside of the sampling device, so that the sampling environment inside the device is continuously positively pressurized, and the sampling environment is kept in a highly clean state. A cavity is formed inside the device through the baffle, and the nitrogen enters the device and is transported back through the return air duct after completion. The refluxed gas passes through the filter device again to achieve cyclic filtration, and the metal ions in the environment are filtered as cleanly as possible.
[0009] As a further improvement of the above solution, a top fixing frame is fixedly connected to the middle of the inner wall of the main body shell, and a top fixing plate is fixedly connected to the top of the top fixing frame.
[0010] Through the above technical solution, the top fixing plate is fixed by the top fixing frame to facilitate the subsequent installation of the filter device and enhance the structural stability.
[0011] As a further improvement of the above solution, an air outlet is provided in the middle of the upper surface of the top fixing plate, and the air outlet is adapted to the filtering device.
[0012] Through the above technical solution, the filter device transports the filtered nitrogen into the interior of the device through the air outlet, and there is good sealing between the air outlet and the filter device.
[0013] As a further improvement of the above solution, a bottom fixing frame is fixedly connected to the bottom of the inner wall of the main body shell, and a ventilation plate is fixedly connected to the interior of the bottom fixing frame.
[0014] Through the above technical solution, the stability inside the device is enhanced by the bottom fixed frame, and the nitrogen is transported into the interior of the device and flows into the return air duct through the ventilation plate for reflux.
[0015] As a further improvement of the above solution, a bottom return air duct is provided at the bottom of the ventilation plate, and the bottom return air duct is adapted to the return air duct.
[0016] Through the above technical solution, the bottom return air duct is connected to the return air duct, and the wind enters the top cover through the space between the two ducts.
[0017] As a further improvement of the above solution, a front fixing plate is fixedly connected to the middle of the front side of the main body shell, and a connecting door is rotatably connected to the middle of the front side of the front fixing plate through a hinge.
[0018] Through the above technical solution, the connecting door is fixed by the front fixing plate, which makes it convenient to open the device and take out and place the items that need to be sampled.
[0019] Compared with the prior art, the beneficial effects of the present invention are:
[0020] The utility model provides a filtering device, a fan transports nitrogen to the inside of the device after passing through a filter plate, and transports clean nitrogen to the inside of a sampling device, so that the sampling environment inside the device is continuously under positive pressure, and the sampling environment is kept in a highly clean state. The baffle forms a cavity inside the device, and the filtering device transports the filtered nitrogen to the inside of the device through an air outlet. There is good sealing between the air outlet and the filtering device. After the nitrogen is transported to the inside of the device, it flows into the return air duct through the ventilation plate for reflux. The bottom return air duct is connected to the return air duct, and the wind enters the top cover through the two ducts. After the nitrogen enters the inside of the device and is transported, it flows back through the return air duct, and the refluxed gas passes through the filtering device again to achieve circulating filtration. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0022] Figure 2 This is a schematic diagram of the top installation structure of the utility model;
[0023] Figure 3 This is a schematic diagram of the bottom ventilation structure of the utility model;
[0024] Figure 4 For this utility model Figure 1 Enlarged structural diagram at A in the middle.
[0025] Description of main symbols:
[0026] 1. Main body shell; 2. Top cover; 3. Top plate; 4. Filter device; 401. Connecting plate; 402. Two fans; 403. Protective shell; 404. Filter plate; 5. Baffle; 6. Top fixing frame; 7. Return air duct; 8. Top fixing plate; 9. Air outlet; 10. Bottom fixing frame; 11. Ventilation plate; 12. Front fixing plate; 13. Connecting door; 14. Bottom return air duct. DETAILED DESCRIPTION
[0027] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment. Example
[0028] Please combine Figure 1-4 A high clean space sampling device of this embodiment includes a main body shell 1, a top cover 2 is fixedly connected to the top of the main body shell 1, a top plate 3 is fixedly connected to the top of the top cover 2, and a filtering device 4 is fixedly connected inside the top cover 2;
[0029] The filter device 4 includes a connecting plate 401, a protective shell 403 is fixedly connected to the bottom of the connecting plate 401, two fans 402 are fixedly connected to the inside of the protective shell 403, and a filter plate 404 is fixedly connected to the bottom of the protective shell 403. The main body shell 1 has good sealing performance, and the top cover 2 installs the filter device 4 inside to prevent the filter device 4 from being exposed to the air, thereby improving the filtering effect. The fan 402 of the filter device 4 transmits nitrogen through the filter plate 404 and then transports it to the inside of the device, and the clean nitrogen is transported to the inside of the sampling device, so that the sampling environment inside the device is continuously positively pressurized, and the sampling environment is kept in a highly clean state.
[0030] A baffle 5 is fixedly connected to one side of the inner wall of the main shell 1, and a return air duct 7 is provided inside the baffle 5. A cavity is formed inside the device through the baffle 5, and nitrogen enters the device and is transported back through the return air duct 7. The returned gas passes through the filter device again to achieve circulating filtration, thereby filtering out metal ions in the environment as cleanly as possible.
[0031] The middle part of the inner wall of the main shell 1 is fixedly connected with a top fixing frame 6, and the top of the top fixing frame 6 is fixedly connected with a top fixing plate 8. The top fixing plate 8 is fixed by the top fixing frame 6 to facilitate the subsequent installation of the filter device and enhance the structural stability.
[0032] An air outlet 9 is provided in the middle of the upper surface of the top fixing plate 8, and the air outlet 9 is adapted to the filter device 4. The filter device 4 delivers the filtered nitrogen to the inside of the device through the air outlet, and there is good sealing between the air outlet and the filter device 4.
[0033] The bottom of the inner wall of the main shell 1 is fixedly connected with a bottom fixing frame 10, and the inside of the bottom fixing frame 10 is fixedly connected with a ventilation plate 11. The bottom fixing frame 10 strengthens the stability inside the device, and the nitrogen is transported into the inside of the device and flows into the return air duct through the ventilation plate 11 for reflux.
[0034] A bottom return air duct 14 is provided at the bottom of the ventilation plate 11, and the bottom return air duct 14 is adapted to the return air duct 7. The bottom return air duct 14 is communicated with the return air duct 7, and the wind enters the top cover through the space between the two ducts.
[0035] The middle part of the front of the main body shell 1 is fixedly connected with a front fixing plate 12, and the middle part of the front of the front fixing plate 12 is rotatably connected with a connecting door 13 through a hinge. The connecting door 13 is fixed by the front fixing plate 12, so that the device can be opened conveniently to take and put the items that need to be sampled.
[0036] The implementation principle of a high clean space sampling device in the embodiment of the present application is as follows: when the device is in use, first, the main body shell 1 has good sealing performance, and the top cover 2 installs the filter device 4 inside to prevent the filter device 4 from being exposed to the air, thereby improving the filtering effect. The fan 402 of the filter device 4 transmits the nitrogen through the filter plate 404 to the inside of the device, and the clean nitrogen is transmitted to the inside of the sampling device, so that the sampling environment inside the device is continuously positively pressurized, so that the sampling environment is kept in a high clean state, and a cavity is formed inside the device through the baffle 5, and the top fixed frame 6 fixes the top fixed plate 8 to facilitate the subsequent installation of the filter device and enhance the structural stability. The filter device 4 transmits the filtered nitrogen to the inside of the device. Nitrogen is transported to the interior of the device through the air outlet. There is good sealing between the air outlet and the filter device 4. The stability of the interior of the device is enhanced by the bottom fixed frame 10. After the nitrogen is transported to the interior of the device, it flows into the return air duct through the ventilation plate 11 for reflux. The bottom return air duct 14 is connected to the return air duct 7. The wind enters the top cover through the two ducts. After the nitrogen enters the interior of the device, it refluxes through the return air duct 7. The refluxed gas passes through the filter device again to achieve circulation filtration and enters the interior of the device again to filter the metal ions in the environment as cleanly as possible. The connecting door 13 is fixed by the front fixed plate 12 to facilitate opening the device and taking and placing the items that need to be sampled.
[0037] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.
Claims
1. A high clean space sampling device, characterized in that: It comprises a main body shell (1), the top of the main body shell (1) is fixedly connected to a top cover (2), the top of the top cover (2) is fixedly connected to a top plate (3), and the interior of the top cover (2) is fixedly connected to a filtering device (4); The filtering device (4) comprises a connecting plate (401), the bottom of the connecting plate (401) is fixedly connected to a protective shell (403), the interior of the protective shell (403) is fixedly connected to two fans (402), and the bottom of the protective shell (403) is fixedly connected to a filtering plate (404); A baffle (5) is fixedly connected to one side of the inner wall of the main body shell (1), and a return air duct (7) is provided inside the baffle (5).
2. A high clean space sampling device as claimed in claim 1, characterized in that: A top fixing frame (6) is fixedly connected to the middle of the inner wall of the main body shell (1), and a top fixing plate (8) is fixedly connected to the top of the top fixing frame (6).
3. A high clean space sampling device as claimed in claim 2, characterized in that: An air outlet (9) is provided in the middle of the upper surface of the top fixing plate (8), and the air outlet (9) is compatible with the filtering device (4).
4. A high clean space sampling device as claimed in claim 1, characterized in that: A bottom fixing frame (10) is fixedly connected to the bottom of the inner wall of the main body shell (1), and a ventilation plate (11) is fixedly connected inside the bottom fixing frame (10).
5. A high clean space sampling device as claimed in claim 4, characterized in that: A bottom return air duct (14) is provided at the bottom of the ventilation plate (11), and the bottom return air duct (14) is compatible with the return air duct (7).
6. A high clean space sampling device as claimed in claim 1, characterized in that: A front fixing plate (12) is fixedly connected to the middle of the front of the main body shell (1), and a connecting door (13) is rotatably connected to the middle of the front of the front fixing plate (12) via a hinge.