CN114485887A

CN114485887A - Perpendicular one-way air-flow type aseptic weighing room

Info

Publication number: CN114485887A
Application number: CN202210080219.1A
Authority: CN
Inventors: 陈建超; 余小龙
Original assignee: Hangzhou Zhuoer Purifying Engineering Co ltd
Current assignee: Hangzhou Zhuoer Purifying Engineering Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-05-13
Anticipated expiration: 2042-01-24
Also published as: CN114485887B

Abstract

The invention provides a vertical one-way airflow type sterile weighing chamber, which relates to the technical field of weighing chambers and comprises an operation chamber, a purification circulation chamber and an air inlet chamber, wherein the purification circulation chamber is arranged behind the operation chamber; an adjusting cavity is arranged above the inside of the operation chamber; the invention provides wind power through the fan, clean wind is sent into the operation chamber from the adjusting pipe and the vertical spray head through the adjusting cavity, thereby providing a high-cleanliness environment, when only a small part of working area is needed, the first connecting shaft of each line can be respectively rotated, or the second connecting shaft of each column can be rotated, thereby controlling the opening and closing of the first valve core and the second valve core, and determining whether the adjusting pipe and the vertical spray head in different areas are opened or closed, thereby dividing the air outlet area and adapting to different working requirements.

Description

Perpendicular one-way air-flow type aseptic weighing room

Technical Field

The invention relates to the technical field of weighing chambers, in particular to a vertical one-way airflow type sterile weighing chamber.

Background

The weighing room is a special local purifying device used in the places of pharmacy, microbiological research, scientific experiment and the like, and provides a vertical one-way airflow, part of the clean air circulates in a working area, and part of the clean air is discharged to a nearby area, so that the human body is prevented from being sucked, the cross contamination is prevented, and the high-cleanliness environment of the working area is ensured;

at present, most weighing chambers adopt a vertical unidirectional airflow type structure, the spraying range is fixed in the process of airflow vertical spraying, in some large weighing chambers, large-scale operation is not needed, only a small part of working area is needed, and the existing weighing chambers cannot be freely adjusted in a targeted manner.

Disclosure of Invention

In order to solve the problems, the invention provides a vertical one-way airflow type sterile weighing chamber which controls the opening and closing of a first valve core and a second valve core and determines whether adjusting pipes and vertical spray heads in different areas are opened or closed, so that air outlet areas are divided, and different working requirements are convenient to adapt.

In order to realize the purpose of the invention, the invention is realized by the following technical scheme: a vertical one-way airflow type aseptic weighing chamber comprises an operation chamber, a purification circulation chamber and an air inlet chamber, wherein the purification circulation chamber is arranged behind the operation chamber, the air inlet chamber is arranged above the operation chamber and the purification circulation chamber, the purification circulation chamber is communicated with the air inlet chamber, a fan is arranged inside the air inlet chamber, and an air inlet pipe extending out of the air inlet chamber is arranged at the input end of the fan;

the inside top of control chamber is equipped with the regulation chamber, the output and the regulation chamber intercommunication of fan, the bottom of adjusting the chamber is equipped with perpendicular shower nozzle, and perpendicular shower nozzle equidistance is equipped with the multiunit, the overhead intercommunication of directly spouting of hanging down has the control tube that extends to the regulation intracavity portion, the inside top of control tube is rotated and is equipped with first case, and the inside below of control tube rotates and is equipped with the second case, the multiunit on the same line be connected with first connecting axle between the first case, the multiunit on the same column be connected with the second connecting axle between the second valve core.

The further improvement lies in that: one side of adjusting the chamber is equipped with first motor, and first motor is equipped with the multiunit, the multiunit the output of first motor respectively with the multiunit first connecting axle is connected, the one end of adjusting the chamber is equipped with the second motor, and the second motor is equipped with the multiunit, the multiunit the output of second motor respectively with the multiunit the second connecting axle is connected.

The further improvement lies in that: the rear of the interior of the operation chamber is provided with an air return inlet which is communicated with the purification circulation cavity, and the front of the operation chamber is provided with a curtain.

The further improvement lies in that: the below intercommunication of air-supply line rear end has the stand pipe, and the stand pipe is used for receiving the return air with purifying circulation chamber intercommunication, the inside top of air-supply line is equipped with first filter screen, and first filter screen is equipped with two sets ofly at least.

The further improvement lies in that: purify the inside below in circulation chamber and install the second filter screen through the centre gripping subassembly, the centre gripping subassembly includes splint and spring, the top in splint inside is established to the spring, the centre gripping of second filter screen is in splint inboard is fixed through the spring.

The further improvement lies in that: purify the inside top in circulation chamber and be equipped with the disinfection processing chamber, the inside in disinfection processing chamber is equipped with the electrolyte, the inside below in disinfection processing chamber is equipped with plate electrode and ultrasonic nebulizer, be equipped with DSA negative, positive pole on the plate electrode, the plate electrode is used for carrying out electrolytic reaction to the electrolyte, produces the subacidity hypochlorous acid sterile water.

The further improvement lies in that: the one end in disinfection process chamber is equipped with the air intake, and the air intake is downward second filter screen department, air intake department is equipped with the air exhauster, the one end of disinfection process chamber top is equipped with out the fog mouth, and goes out fog mouth and air inlet chamber intercommunication.

The further improvement lies in that: the rear end that purifies the circulation chamber is equipped with the liquid feeding pipe, and the liquid feeding pipe with disinfection processing chamber intercommunication, be equipped with sealed lid on the liquid feeding pipe, one side of disinfection processing chamber inside is equipped with level sensor.

The further improvement lies in that: the front end at the inside top of air inlet chamber is equipped with the exhaust pipe, and the inside of exhaust pipe is equipped with the exhaust fan, the upper end intercommunication of exhaust pipe communicates the outside to the air inlet chamber, and the upper end of exhaust pipe is equipped with ozone catalyst.

The invention has the beneficial effects that:

1. the invention provides wind power through the fan, clean wind is sent into the operation chamber from the adjusting pipe and the vertical spray head through the adjusting cavity, thereby providing a high-cleanliness environment, when only a small part of working area is needed, the first connecting shaft of each line can be respectively rotated, or the second connecting shaft of each column can be rotated, thereby controlling the opening and closing of the first valve core and the second valve core, and determining whether the adjusting pipe and the vertical spray head in different areas are opened or closed, thereby dividing the air outlet area and being convenient for adapting to different working requirements.

2. The wind power sent into the operation chamber enters the purification circulation chamber from the air return inlet to circulate, in the process, electrolyte is subjected to electrolytic reaction through the electrode plate to generate subacidity hypochlorous acid disinfectant, the disinfectant is atomized through the ultrasonic atomizer, the circulated wind is pumped through the exhaust fan to enter the disinfection processing chamber to carry the atomized disinfectant to be discharged from the fog outlet, and then enters the air inlet pipe from the guide pipe to circulate, so that the inside of the symmetry chamber is thoroughly disinfected when the operation chamber is not used, the cleanliness of the next use is ensured, and the prepared subacidity disinfectant is proved to have strong sterilization capability, no harmful substances are generated, and the pH value is close to neutral.

3. After the air purifier is used, the air circulating inside the air purifier can be exhausted out of the air purifier through the exhaust fan, and pollutants in the circulating air are removed by using the ozone catalyst in the process, so that the pollution to the external environment is avoided.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side cross-sectional view of the present invention;

FIG. 3 is a schematic view of the interior of the conditioning chamber of the present invention;

FIG. 4 is a schematic view of the interior of the conditioning tube of the present invention;

FIG. 5 is a schematic view of the structure at position A of the present invention.

Wherein: 1. an operation chamber; 2. a purification circulation cavity; 3. an air inlet cavity; 4. a fan; 5. an air inlet pipe; 6. an adjustment chamber; 7. a vertical nozzle; 8. an adjusting tube; 9. a first valve spool; 10. a second valve core; 11. a first connecting shaft; 12. a second connecting shaft; 13. a first motor; 14. a second motor; 15. an air return opening; 16. a curtain; 17. a guide tube; 18. a first filter screen; 19. a second filter screen; 20. a splint; 21. a spring; 22. sterilizing the processing chamber; 23. an electrolyte; 24. an electrode plate; 25. an ultrasonic atomizer; 26. an air inlet; 27. an exhaust fan; 28. a mist outlet; 29. a liquid feeding pipe; 30. a liquid level sensor; 31. an exhaust duct; 32. an exhaust fan; 33. an ozone catalyst.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

Example one

According to the figures 1, 2, 3, 4 and 5, the embodiment provides a vertical one-way airflow type aseptic weighing chamber, which comprises an operation chamber 1, a purification circulation chamber 2 and an air inlet chamber 3, wherein the purification circulation chamber 2 is arranged behind the operation chamber 1, the air inlet chamber 3 is arranged above the operation chamber 1 and the purification circulation chamber 2, the purification circulation chamber 2 is communicated with the air inlet chamber 3, a fan 4 is arranged inside the air inlet chamber 3, and an air inlet pipe 5 extending out of the air inlet chamber 3 is arranged at the input end of the fan 4;

the utility model discloses a fan control device, including control chamber 1, fan 4, perpendicular shower nozzle 7, regulating pipe 8, first case 9, second case 10, multiunit in same line, be connected with first connecting axle 11 between first case 9, multiunit in same line be connected with second connecting axle 12 between second case 10, the top of control chamber 1 inside is equipped with regulation chamber 6, the bottom of regulating chamber 6 is equipped with perpendicular shower nozzle 7, and perpendicular shower nozzle 7 equidistance is equipped with the multiunit, the intercommunication has the regulating pipe 8 that extends to the regulation chamber 6 inside on the perpendicular shower nozzle 7, the top of regulating pipe 8 inside is rotated and is equipped with first case 9, and the below of regulating pipe 8 inside rotates and is equipped with second case 10. When the air conditioner is used, the fan 4 provides wind power, clean wind is sent into the operation chamber 1 from the adjusting pipe 8 and the vertical spray nozzle 7 through the adjusting cavity 6, so that a high-cleanliness environment is provided, when only a small part of working area is needed, the first connecting shaft 11 of each line is respectively rotated, the first valve core 9 of each line is adjusted to be opened and closed, or the second connecting shaft 12 of each line is rotated, the second valve core 10 of each line is adjusted to be opened and closed, or the first connecting shaft 11 and the second connecting shaft 12 are simultaneously rotated, the first valve core 9 and the second valve core 10 are adjusted to be opened and closed in a rectangular range, so that whether the vertical spray nozzles of the adjusting

pipes

8 and 7 in different areas are opened and closed or not is determined, and the air outlet areas are divided to adapt to different working requirements.

Adjust one side of chamber 6 and be equipped with first motor 13, and first motor 13 is equipped with the multiunit, multiunit the output of first motor 13 respectively with the multiunit first connecting axle 11 is connected, the one end of adjusting chamber 6 is equipped with second motor 14, and second motor 14 is equipped with the multiunit, multiunit the output of second motor 14 respectively with the multiunit the second connecting axle 12 is connected. The first motor 13 drives the first connecting shaft 11 to rotate, so as to adjust the opening and closing of the first valve core 9 in each row, and the second motor 14 drives the second connecting shaft 12 to rotate, so as to adjust the opening and closing of the second valve core 10 in each row.

An air return opening 15 is formed in the rear portion of the interior of the operation chamber 1, the air return opening 15 is communicated with the purification circulation cavity 2, and a curtain 16 is arranged on the front face of the operation chamber 1. The below intercommunication of air-supply line 5 rear end has stand pipe 17, and stand pipe 17 is used for receiving the return air with purifying circulation chamber 2 intercommunication, the inside top of air-supply line 5 is equipped with first filter screen 18, and first filter screen 18 is equipped with two sets ofly at least. When the air purifier is used, the fan 4 provides wind power, the wind power is pumped from the outside, the wind power is filtered into clean wind by the first filter screen 18, the clean wind passes through the adjusting cavity 6 and is sent into the operation chamber 1 from the adjusting pipe 8 and the vertical spray head 7, and then returns to the purifying circulation cavity 2 from the air return opening 15 and enters the air inlet pipe 5 for circulation from the guide pipe 17.

Purify the inside below in circulation chamber 2 and install second filter screen 19 through the centre gripping subassembly, the centre gripping subassembly includes splint 20 and spring 21, spring 21 establishes the inside top at splint 20, second filter screen 19 centre gripping is in splint 20 is inboard and fixed through spring 21. When the air purifier is used, the fan 4 provides wind power, the wind power is pumped in from the outside, the wind power is filtered into clean wind by the first filter screen 18, the clean wind passes through the adjusting cavity 6 and is sent into the operation room 1 from the adjusting pipe 8 and the vertical spray head 7, and then returns to the purifying circulation cavity 2 from the air return opening 15 and is filtered by the second filter screen 19.

Purify the inside top in circulation chamber 2 and be equipped with disinfection processing chamber 22, the inside electrolyte 23 that is equipped with of disinfection processing chamber 22, the inside below of disinfection processing chamber 22 is equipped with plate electrode 24 and ultrasonic nebulizer 25, be equipped with DSA negative, positive pole on the plate electrode 24, plate electrode 24 is used for carrying out electrolytic reaction to electrolyte 23, produces subacidity hypochlorous acid sterile water. One end of the disinfection processing chamber 22 is provided with an air inlet 26, the air inlet 26 faces downwards the second filter screen 19, the air inlet 26 is provided with an exhaust fan 27, one end above the disinfection processing chamber 22 is provided with a mist outlet 28, and the mist outlet 28 is communicated with the air inlet chamber 3. During the use, the wind-force of sending into in the control chamber 1 gets into purification circulation chamber 2 from return air inlet 15 and circulates, in this process, carry out electrolytic reaction through plate electrode 24 to electrolyte 23, produce subacidity hypochlorous acid disinfectant, make the disinfectant atomizing through ultrasonic atomization ware 25, extract endless wind through air exhauster 27 and get into disinfection processing chamber 22 and carry the atomizing disinfectant and discharge from fog outlet 28, get into air-supply line 5 from stand pipe 17 and circulate subsequently, be convenient for when the device does not use, the indoor portion of symmetry volume carries out thorough disinfection, guarantee the cleanliness factor of next use. The electrolysis reaction is a static complete electrolysis method, the electrolysis is a fixed value electrolysis in the static complete electrolysis method, the electrolysis water can be used without blending, slightly acidic hypochlorous acid is used for generating an electrolyte (1-2% of weak acid dilute saline water) under the direct current voltage of about 6V, chlorine and H + are generated at the anode, the H + is dissolved in the water to make the water acidic, and the pH value is 5.5-6.5; reacting chlorine gas with water to generate hydrochloric acid and hypochlorous acid (HCIO) so that the concentration of effective chlorine in the water reaches 10-20 mg/L; the cathode only generates hydrogen, salt (NaCl) is used as a main solution to be prepared into a meta-acid electrolyte, the pH value is automatically adjusted to be neutral through electrolysis, the oxidation potential generated by the anode is up to 900-earth 100mV, the cell wall can be broken down, and the mixed oxidation groups (CIO2, CI2O, Cl-, CIO, HCIO, O2, 03, H2O2 and OH-) are stronger oxygen.

The rear end of the purification circulating cavity 2 is provided with a liquid feeding pipe 29, the liquid feeding pipe 29 is communicated with the disinfection processing cavity 22, the liquid feeding pipe 29 is provided with a sealing cover, and one side of the inside of the disinfection processing cavity 22 is provided with a liquid level sensor 30. For adding electrolyte 23 and water to the sterilization process chamber 22 and controlling the level of the electrolyte added by the level sensor 30.

Example two

According to the figures 1, 2, 3 and 4, the embodiment provides a vertical one-way airflow type aseptic weighing chamber, which comprises an operation chamber 1, a purification circulation chamber 2 and an air inlet chamber 3, wherein the purification circulation chamber 2 is arranged behind the operation chamber 1, the air inlet chamber 3 is arranged above the operation chamber 1 and the purification circulation chamber 2, the purification circulation chamber 2 is communicated with the air inlet chamber 3, a fan 4 is arranged inside the air inlet chamber 3, and an air inlet pipe 5 extending out of the air inlet chamber 3 is arranged at the input end of the fan 4;

the top of 1 inside of control chamber is equipped with regulation chamber 6, the output and the regulation chamber 6 intercommunication of fan 4, the bottom of regulation chamber 6 is equipped with vertical shower nozzle 7, and vertical shower nozzle 7 equidistance is equipped with the multiunit, the intercommunication has the regulating tube 8 that extends to the regulation 6 inside of chamber on the vertical shower nozzle 7, the top of the inside of regulating tube 8 is rotated and is equipped with first case 9, and the below of the inside of regulating tube 8 is rotated and is equipped with second case 10, the multiunit on the same line be connected with first connecting axle 11 between the first case 9, the multiunit on the same line be connected with second connecting axle 12 between the second case 10. When the air conditioner is used, the fan 4 provides wind power, clean wind is sent into the operation chamber 1 from the adjusting pipe 8 and the vertical spray nozzle 7 through the adjusting cavity 6, so that a high-cleanliness environment is provided, when only a small part of working area is needed, the first connecting shaft 11 of each line is respectively rotated, the first valve core 9 of each line is adjusted to be opened and closed, or the second connecting shaft 12 of each line is rotated, the second valve core 10 of each line is adjusted to be opened and closed, or the first connecting shaft 11 and the second connecting shaft 12 are simultaneously rotated, the first valve core 9 and the second valve core 10 are adjusted to be opened and closed in a rectangular range, so that whether the vertical spray nozzles of the adjusting

pipes

Adjust one side of chamber 6 and be equipped with first motor 13, and first motor 13 is equipped with the multiunit, multiunit the output of first motor 13 respectively with the multiunit first connecting axle 11 is connected, the one end of adjusting chamber 6 is equipped with second motor 14, and second motor 14 is equipped with the multiunit, multiunit the output of second motor 14 respectively with the multiunit the second connecting axle 12 is connected. The first motor 13 drives the first connecting shaft 11 to rotate to adjust the opening and closing of the first valve core 9 in each row, and the second motor 14 drives the second connecting shaft 12 to rotate to adjust the opening and closing of the second valve core 10 in each column.

The front end at the inside top in air inlet chamber 3 is equipped with exhaust pipe 31, and the inside of exhaust pipe 31 is equipped with exhaust fan 32, the upper end intercommunication of exhaust pipe 31 is to the outside of air inlet chamber 3, and the upper end of exhaust pipe 31 is equipped with ozone catalyst 33. After use, the air circulated inside can be exhausted out of the device through the exhaust fan 32, and in the process, pollutants in the circulating air are removed by using the ozone catalyst 33, so that the external environment is prevented from being polluted.

This aseptic weighing room of perpendicular one-way air current formula provides wind-force through fan 4, with clean wind through adjusting chamber 6, send into in the control chamber 1 from regulating tube 8 and vertical shower nozzle 7, with this provide high cleanliness degree environment, when only needing the fractional workspace, can rotate the first connecting axle 11 of every line respectively, perhaps rotate the second connecting axle 12 of every row, with this opening and close of controlling first case 9 and second case 10, whether the regulating tube 8 and the 7 vertical shower nozzle of decision different regions open and close, thereby divide the region of air-out, the different work needs of adaptation of being convenient for. Meanwhile, the wind power sent into the operation chamber 1 enters the purification circulation chamber 2 from the air return opening 15 to circulate, in the process, the electrolyte 23 is subjected to electrolytic reaction through the electrode plate 24 to generate subacidity hypochlorous acid disinfectant, the disinfectant is atomized through the ultrasonic atomizer 25, the circulating wind is extracted through the exhaust fan 27, enters the disinfection processing chamber 22 to carry the atomized disinfectant to be discharged from the fog outlet 28, and then enters the air inlet pipe 5 from the guide pipe 17 to circulate, so that the complete disinfection of the interior of the weighing chamber is facilitated when the disinfection processing chamber is not used, the cleanliness of the next use is ensured, and the prepared subacidity disinfectant is verified to be strong in sterilization capability, free of harmful substance generation and close to neutral in pH value. In addition, after the use, the air circulating inside can be exhausted out of the device through the exhaust fan 32, and in the process, pollutants in the circulating air are removed by the ozone catalyst 33, so that the external environment is prevented from being polluted.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a room is weighed to perpendicular one-way air-flowing type asepsis, includes control chamber (1), purification circulation chamber (2) and air inlet chamber (3), its characterized in that: the air purifier is characterized in that the purification circulation cavity (2) is arranged behind the operation chamber (1), the air inlet cavity (3) is arranged above the operation chamber (1) and the purification circulation cavity (2), the purification circulation cavity (2) is communicated with the air inlet cavity (3), a fan (4) is arranged inside the air inlet cavity (3), and an air inlet pipe (5) extending out of the air inlet cavity (3) is arranged at the input end of the fan (4);

the improved air conditioner is characterized in that an adjusting cavity (6) is arranged above the inner portion of the operating chamber (1), the output end of the fan (4) is communicated with the adjusting cavity (6), vertical spray heads (7) are arranged at the bottom of the adjusting cavity (6), multiple groups of vertical spray heads (7) are arranged at equal intervals, adjusting pipes (8) extending to the inner portion of the adjusting cavity (6) are communicated with the vertical spray heads (7), first valve cores (9) are arranged above the inner portions of the adjusting pipes (8) in a rotating mode, second valve cores (10) are arranged below the inner portions of the adjusting pipes (8) in a rotating mode, multiple groups of the same row are connected between the first valve cores (9) through first connecting shafts (11), and multiple groups of the same row are connected between the second valve cores (10) through second connecting shafts (12).

2. A vertical unidirectional airflow type aseptic weighing chamber as defined in claim 1, wherein: adjust one side of chamber (6) and be equipped with first motor (13), and first motor (13) are equipped with the multiunit, multiunit the output of first motor (13) respectively with the multiunit first connecting axle (11) are connected, the one end of adjusting chamber (6) is equipped with second motor (14), and second motor (14) are equipped with the multiunit, multiunit the output of second motor (14) respectively with the multiunit the second connecting axle (12) are connected.

3. A vertical unidirectional airflow type aseptic weighing chamber as defined in claim 1, wherein: the rear of the interior of the operation chamber (1) is provided with an air return opening (15), the air return opening (15) is communicated with the purification circulation cavity (2), and the front of the operation chamber (1) is provided with a curtain (16).

4. A vertical unidirectional airflow type aseptic weighing chamber as defined in claim 3, wherein: the below intercommunication of air-supply line (5) rear end has stand pipe (17), and stand pipe (17) are used for receiving the return air with purification circulation chamber (2) intercommunication, the inside top of air-supply line (5) is equipped with first filter screen (18), and first filter screen (18) are equipped with two sets ofly at least.

5. A vertical unidirectional airflow type aseptic weighing chamber as defined in claim 1, wherein: purify the inside below in circulation chamber (2) and install second filter screen (19) through the centre gripping subassembly, the centre gripping subassembly includes splint (20) and spring (21), spring (21) are established in the inside top of splint (20), second filter screen (19) centre gripping is in splint (20) are inboard and fixed through spring (21).

6. The vertical unidirectional airflow type aseptic weighing chamber of claim 5, wherein: purify the inside top in circulation chamber (2) and be equipped with disinfection processing chamber (22), electrolyte (23) are equipped with to the inside of disinfection processing chamber (22), the inside below in disinfection processing chamber (22) is equipped with plate electrode (24) and ultrasonic nebulizer (25), be equipped with DSA negative, positive pole on plate electrode (24), plate electrode (24) are used for carrying out electrolytic reaction to electrolyte (23), produce subacidity hypochlorous acid disinfectant.

7. The vertical unidirectional airflow type aseptic weighing chamber of claim 6, wherein: one end of disinfection processing chamber (22) is equipped with air intake (26), and air intake (26) orientation is in the below second filter screen (19) department, air intake (26) department is equipped with air exhauster (27), the one end of disinfection processing chamber (22) top is equipped with out fog mouth (28), and goes out fog mouth (28) and air inlet chamber (3) intercommunication.

8. A vertical unidirectional airflow type aseptic weighing chamber as defined in claim 7, wherein: the rear end of the purification circulating cavity (2) is provided with a liquid feeding pipe (29), the liquid feeding pipe (29) is communicated with the disinfection processing cavity (22), the liquid feeding pipe (29) is provided with a sealing cover, and one side of the inside of the disinfection processing cavity (22) is provided with a liquid level sensor (30).

9. A vertical unidirectional air-flow aseptic weighing chamber as defined in any one of claims 1 to 8, wherein: the front end at the inside top of air inlet chamber (3) is equipped with exhaust pipe (31), and the inside of exhaust pipe (31) is equipped with exhaust fan (32), the upper end intercommunication of exhaust pipe (31) is to the outside of air inlet chamber (3), and the upper end of exhaust pipe (31) is equipped with ozone catalyst (33).