Test bin for capturing efficiency of floating bacteria

Abstract

The utility model discloses a planktonic bacteria capture efficiency test cabin, including test cabin subassembly, constant temperature and humidity equipment cabinet and telescopic hose, said test cabin subassembly includes casing, be provided with the inner cabin in the casing, the inner cabin is fixedly connected with the static pressure box, the static pressure box is fixedly connected with the filter, the static pressure box is conducted and fixed with the air supply joint, and the air supply joint is connected with the constant temperature and humidity equipment cabinet. An air return connector is fixed in the inner bin in a communicating mode, telescopic hoses are fixed to the air supply connector and the air return connector in a communicating mode, and the telescopic hoses are fixed to the constant-temperature and constant-humidity cabinet in a communicating mode. An isolated inner bin is provided for floating bacterium capture efficiency testing, the temperature, humidity and air speed of the inner bin can be kept constant, meanwhile, the stirring impeller is additionally arranged in the inner bin, microorganisms in the bin can be evenly mixed, the static pressure box and the filter are additionally arranged at the air supply connector of the inner bin, stable and clean gas can be conveyed, and the test efficiency is improved. The device has high automation, and can greatly facilitate the development of the floating bacterium capture efficiency test work.

Description

Technical Field

[0001] The utility model relates to the technical field of testing devices, in particular to a test chamber for capturing efficiency of airborne bacteria. Background Art

[0002] The capture efficiency of airborne bacteria refers to the ability of an airborne bacteria sampler to collect airborne bacteria in the environment. The accuracy of its technical indicators directly affects the sampling efficiency and the effectiveness of environmental evaluation. In the prior art, there is no dedicated equipment for testing the capture efficiency of airborne bacteria, and the detection of airborne bacteria samplers is only limited to detecting the sampling flow rate of the machine, without detecting the capture efficiency of airborne bacteria sampling. Therefore, a test chamber for capturing efficiency of airborne bacteria is proposed. Content of the Utility Model

[0003] The purpose of the utility model is to provide a test chamber for capturing efficiency of airborne bacteria to solve the problems put forward in the above background art.

[0004] To solve the above technical problems, the utility model provides the following technical solution: A test chamber for capturing efficiency of airborne bacteria, including a test chamber assembly, a constant temperature and humidity cabinet, and a telescopic hose. The test chamber assembly includes a housing, an inner chamber is arranged inside the housing, a static pressure box is fixedly connected inside the inner chamber, a filter is fixedly connected inside the static pressure box, an air supply joint is conductively fixed on the static pressure box, a return air joint is conductively fixed inside the inner chamber, telescopic hoses are conductively fixed on both the air supply joint and the return air joint, and the telescopic hoses are conductively fixed on the constant temperature and humidity cabinet. A stirring impeller is fixedly connected to one inner wall of the inner chamber, a fog generating unit is fixedly connected to the other inner wall of the inner chamber, a smoke pipe is conductively fixed on the fog generating unit, a door frame is hinged on the housing, a door panel is fixedly connected to the door frame, and three glove boxes are conductively fixed on the door panel.

[0005] Preferably, heat insulation cotton is fixedly connected inside the inner chamber.

[0006] Preferably, an LED lighting lamp is fixedly connected inside the inner chamber, an observation window is arranged at the bottom end of the LED lighting lamp, and a power supply interface is arranged at the bottom end of the observation window.

[0007] Preferably, a hinge is fixedly connected to the door frame and is fixedly connected to the housing. Gas struts are arranged on both sides of the door frame and are hinged to the housing, and the output ends of the gas struts are hinged to the door frame.

[0008] Preferably, an inflatable capsule is sleeved on the door frame and is fixedly connected to the housing.

[0009] Preferably, two armatures are fixedly connected to the door frame, a magnet is arranged at the bottom end of the armature, a handle lock is arranged on one side of the magnet, and the handle lock is fixedly connected to the housing.

[0010] Preferably, spare interfaces are fixedly connected to the outer walls on both sides of the casing, a bracket is fixedly connected to the casing, and a touch screen is fixedly connected to the bracket.

[0011] Preferably, universal wheels are fixedly connected to the four corners of the lower surface of the casing.

[0012] Preferably, an electrical box is fixedly connected inside the casing, a change-over switch is fixedly connected to one outer wall of the electrical box, a power interface is arranged at the bottom end of the change-over switch, and a third temperature and humidity sensor is fixedly connected to the other outer wall of the electrical box.

[0013] Preferably, a first temperature and humidity sensor is conductively fixed to the air supply connector, a second temperature and humidity sensor is conductively fixed to the air return connector, and an air velocity sensor is fixedly connected inside the inner chamber.

[0014] An airborne bacteria capture efficiency test chamber provided by the present utility model has the following advantages: the present utility model provides an isolated inner chamber for the airborne bacteria capture efficiency test, and can keep the temperature, humidity and air velocity in the inner chamber constant. At the same time, a stirring impeller is added in the inner chamber to uniformly mix the microorganisms in the chamber. A static pressure box and a filter are added at the air supply connector of the inner chamber to convey stable and clean gas. The present utility model has a high degree of automation, which can greatly facilitate the development of the airborne bacteria capture efficiency test work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 It is a schematic three-dimensional structure diagram of the whole of the present utility model;

[0017] Figure 2 It is a schematic front view structure diagram of the test chamber assembly of the present utility model;

[0018] Figure 3 It is a schematic side view sectional structure diagram of the test chamber assembly of the present utility model;

[0019] Figure 4 It is an enlarged structure diagram of area A in the figure;

[0020] Figure 5 It is an enlarged structure diagram of area B in the figure.

[0021] In the figure: 1, cabinet; 2, inner bin; 3, door frame; 4, door panel; 5, glove box; 6, gas strut; 7, handle lock; 8, armature; 9, magnet; 10, hinge; 11, bracket; 12, touch screen; 13, air supply joint; 14, air return joint; 15, first temperature and humidity sensor; 16, second temperature and humidity sensor; 17, fogging unit; 18, LED lighting; 19, observation window; 20, stirring impeller; 21, power supply interface; 22, static pressure box; 23, filter; 24, wind speed sensor; 25, smoke pipe; 26, spare interface; 27, electrical box; 28, change-over switch; 29, power supply interface; 30, third temperature and humidity sensor; 31, fork lift wheel; 32, heat insulation cotton; 33, inflatable capsule; 34, test chamber assembly; 35, constant temperature and humidity cabinet; 36, flexible hose. Detailed implementation manner

[0022] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to the attached Figure 1 - attached Figure 5, an embodiment provided by the present utility model: a test chamber for testing the capture efficiency of airborne bacteria, comprising a test chamber assembly 34, a constant temperature and humidity cabinet 35, and a telescopic hose 36. The test chamber assembly 34 includes a housing 1. Inside the housing 1, an inner chamber 2 is provided. Inside the inner chamber 2, a static pressure box 22 is fixedly connected. Inside the static pressure box 22, a filter 23 is fixedly connected. A supply air joint 13 is conductively fixed on the static pressure box 22. A return air joint 14 is conductively fixed inside the inner chamber 2. Telescopic hoses 36 are conductively fixed on both the supply air joint 13 and the return air joint 14, and the telescopic hoses 36 are conductively fixed on the constant temperature and humidity cabinet 35. On one inner wall of the inner chamber 2, a stirring impeller 20 is fixedly connected. On the other inner wall of the inner chamber 2, a fogging unit 17 is fixedly connected. A smoke pipe 25 is conductively fixed on the fogging unit 17. A door frame 3 is hinged on the housing 1. A door panel 4 is fixedly connected on the door frame 3. Three glove boxes 5 are conductively fixed on the door panel 4. The supply air joint 13 and the return air joint 14 are used to connect the telescopic hoses 36 to form an air flow transmission channel. The static pressure box 22 is used to reduce dynamic pressure, increase static pressure, stabilize air flow and reduce air flow vibration. The filter 23 is used to filter air flow. The constant temperature and humidity cabinet 35 is used to provide a constant temperature and humidity air flow. The door frame 3 is used to install the door panel 4. The door panel 4 is used to close the housing 1. The stirring impeller 20 is used to stir and mix microorganisms. The fogging unit 17 and the smoke pipe 25 are used to transport smoke. An insulating cotton 32 is fixedly connected inside the inner chamber 2. The insulating cotton 32 is used to achieve heat preservation of the inner chamber 2. An LED lighting lamp 18 is fixedly connected inside the inner chamber 2. An observation window 19 is provided at the bottom of the LED lighting lamp 18. A power supply interface 21 is provided at the bottom of the observation window 19. The LED lighting lamp 18 is used to provide lighting for the inner chamber 2. The observation window 19 is used to observe the internal condition of the inner chamber 2. The power supply interface 21 is used to connect to a power source. A hinge 10 is fixedly connected on the door frame 3, and the hinge 10 is fixedly connected to the housing 1. Gas struts 6 are provided on both sides of the door frame 3, and the gas struts 6 are hinged to the housing 1. The output end of the gas strut 6 is hinged to the door frame 3. The door frame 3 is hinged to the housing 1 through the hinge 10. The gas struts 6 are used to open and close the door frame 3. An inflatable capsule 33 is sleeved on the door frame 3, and the inflatable capsule 33 is fixedly connected to the housing 1. The inflatable capsule 33 is used to improve the airtightness between the door frame 3 and the housing 1. Two armatures 8 are fixedly connected on the door frame 3. A magnet 9 is provided at the bottom of the armature 8. A handle lock 7 is provided on one side of the magnet 9, and the handle lock 7 is fixedly connected to the housing 1. The armature 8 cooperates with the magnet 9 to achieve magnetic attraction locking of the door frame 3. The handle lock 7 is used to lock the door frame 3. Spare interfaces 26 are fixedly connected on both outer walls of the housing 1. A bracket 11 is fixedly connected on the housing 1. A touch screen 12 is fixedly connected on the bracket 11. The spare interfaces 26 are spare parts. The bracket 11 is used to install the touch screen 12. The touch screen 12 is used for human-machine interaction. Four corners of the lower surface of the housing 1 are fixedly connected with casters 31. The casters 31 are used to move the equipment;An electrical box 27 is fixedly connected inside the casing 1. A changeover switch 28 is fixedly connected to one outer wall of the electrical box 27. A power interface 29 is arranged at the bottom end of the changeover switch 28. A third temperature and humidity sensor 30 is fixedly connected to the other outer wall of the electrical box 27. The electrical box 27 is used to control the equipment. The changeover switch 28 is used to switch circuits. The power interface 29 is used to connect to a power source. A first temperature and humidity sensor 15 is conductively fixed on the air supply joint 13. A second temperature and humidity sensor 16 is conductively fixed on the air return joint 14. An air velocity sensor 24 is fixedly connected inside the inner chamber 2. The first temperature and humidity sensor 15 is used to monitor the temperature and humidity inside the air supply joint 13. The second temperature and humidity sensor 16 is used to monitor the temperature and humidity inside the air return joint 14. The air velocity sensor 24 monitors the air velocity in the inner chamber 2.

[0024] Working principle: In this utility model, the inner chamber 2 of the casing 1 is thermally insulated by the heat insulation cotton 32. The air velocity sensor 24 monitors the air velocity in the inner chamber 2. The stirring impeller 20 is used to stir and mix microorganisms. The LED lighting lamp 18 is used to provide lighting for the inner chamber 2. The observation window 19 is used to observe the internal condition of the inner chamber 2. The door frame 3 is hinged to the casing 1 through the hinge 10. The door frame 3 is used to install the door panel 4. The door panel 4 is used to close the casing 1. The glove box 5 is used to install operating gloves. The gas strut 6 is used to automatically open the door frame 3. The handle lock 7 is used to lock the door frame 3. The armature 8 cooperates with the magnet 9 to achieve magnetic attraction locking of the door frame 3. The bracket 11 is used to install the touch screen 12. The touch screen 12 is used for human-machine interaction. The air supply joint 13 and the air return joint 14 are used to connect the telescopic hose 36 to form an air flow conveying channel. The first temperature and humidity sensor 15 is used to monitor the temperature and humidity inside the air supply joint 13. The second temperature and humidity sensor 16 is used to monitor the temperature and humidity inside the air return joint 14. The fogging unit 17 and the smoke pipe 25 are used to convey smoke. The power supply interface 21 is used to connect to a power source. The static pressure box 22 is used to reduce the dynamic pressure, increase the static pressure, stabilize the air flow and reduce the air flow vibration. The filter 23 is used to filter the air flow. The spare interface 26 is for spare parts. The electrical box 27 is used to control the equipment. The changeover switch 28 is used to switch circuits. The power interface 29 is used to connect to a power source. The third temperature and humidity sensor 30 is used to monitor the ambient temperature and humidity. The casters 31 are used to facilitate the movement of the equipment. The inflatable capsule 33 is used to improve the airtightness between the door frame 3 and the casing 1. The constant temperature and humidity cabinet 35 is used to provide a constant temperature and humidity air flow.

[0025] In the description of this utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific situations.

[0026] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art can understand and implement it without creative efforts.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or equivalently replace some of the technical features. These modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A floating bacteria capture efficiency test chamber, comprising a test chamber assembly (34), a constant temperature and humidity cabinet (35) and a telescopic hose (36), characterized in that: The test chamber assembly (34) comprises a casing (1), an inner chamber (2) is arranged in the casing (1), a static pressure box (22) is fixedly connected in the inner chamber (2), a filter (23) is fixedly connected in the static pressure box (22), an air supply joint (13) is connected and fixed on the static pressure box (22), a return air joint (14) is connected and fixed in the inner chamber (2), and a telescopic hose (36) is connected and fixed on both the air supply joint (13) and the return air joint (14), and The telescopic hose (36) is connected and fixed on the constant temperature and humidity cabinet (35); a stirring impeller (20) is fixedly connected to the inner wall of one side of the inner chamber (2); a mist generating unit (17) is fixedly connected to the inner wall of the other side of the inner chamber (2); a smoke generating tube (25) is connected and fixed to the mist generating unit (17); a door frame (3) is hinged on the housing (1); a door panel (4) is fixedly connected to the door frame (3); and three glove frames (5) are connected and fixed to the door panel (4).

2. A floating bacteria capture efficiency test chamber according to claim 1, characterized in that: Heat insulation cotton (32) is fixedly connected inside the inner bin (2).

3. A floating bacteria capture efficiency test chamber according to claim 2, characterized in that: An LED lighting lamp (18) is fixedly connected inside the inner compartment (2), an observation window (19) is provided at the bottom end of the LED lighting lamp (18), and a power supply interface (21) is provided at the bottom end of the observation window (19).

4. The floating bacteria capture efficiency test chamber according to claim 1, characterized in that: The door frame (3) is fixedly connected with a hinge (10), and the hinge (10) is fixedly connected to the casing (1). Gas struts (6) are provided on both sides of the door frame (3), and the gas struts (6) are hinged to the casing (1), and the output end of the gas struts (6) is hinged to the door frame (3).

5. The floating bacteria capture efficiency test chamber according to claim 4, characterized in that: An inflatable capsule (33) is sleeved on the door frame (3), and the inflatable capsule (33) is fixedly connected to the casing (1).

6. A floating bacteria capture efficiency test chamber according to claim 5, characterized in that: Two armatures (8) are fixedly connected to the door frame (3), a magnet (9) is arranged at the bottom end of the armature (8), a handle lock (7) is arranged on one side of the magnet (9), and the handle lock (7) is fixedly connected to the casing (1).

7. The floating bacteria capture efficiency test chamber according to claim 6, characterized in that: The outer walls on both sides of the housing (1) are fixedly connected with spare interfaces (26), the housing (1) is fixedly connected with a bracket (11), and the bracket (11) is fixedly connected with a touch screen (12).

8. The floating bacteria capture efficiency test chamber according to claim 7, characterized in that: Four corners of the lower surface of the casing (1) are fixedly connected with Fuma wheels (31).

9. A floating bacteria capture efficiency test chamber according to claim 8, characterized in that: An electrical box (27) is fixedly connected inside the housing (1), a conversion switch (28) is fixedly connected to an outer wall on one side of the electrical box (27), a power interface (29) is provided at the bottom end of the conversion switch (28), and a third temperature and humidity sensor (30) is fixedly connected to an outer wall on the other side of the electrical box (27).

10. The floating bacteria capture efficiency test chamber according to claim 1, characterized in that: A first temperature and humidity sensor (15) is connected and fixed to the air supply connector (13), a second temperature and humidity sensor (16) is connected and fixed to the air return connector (14), and a wind speed sensor (24) is fixedly connected to the inner compartment (2).

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