CN112056765A - Negative pressure air suction dining table - Google Patents

Abstract

The invention relates to a negative pressure air suction dining table, which comprehensively considers the characteristics of common dining of a plurality of people and the transmission characteristics of viruses (especially new coronavirus) in the Chinese food, an air inlet is additionally arranged between a rotary table top and a fixed table top of the dining table, and simultaneously, the negative pressure air suction principle is combined with a round Chinese food table, so that air exhaled by people during dining is sucked into a disinfection and filtration device at the bottom of the dining table to disinfect and filter the air; the air inlet direction can be adjusted through the fan blades, so that the air inlet device is suitable for the height requirements of different people; the air disinfection and filtration device adopts a mode of disinfection and filtration to ensure that microorganisms such as viruses, bacteria and the like in the air are fully inactivated and then filtered; and the clean air after disinfection and filtration is input into the ventilation system by being connected with the ventilation control system of the mail steamer.

Description

A negative pressure suction table

technical field

The invention relates to a novel dining table, in particular to a negative pressure suction, which is used for a round Chinese table in a large-scale cruise ship Chinese restaurant or a large hotel restaurant with dense personnel.

Background technique

The original meaning of the dining table is the table on which people eat. In China, people have always liked to sit around and eat together. However, the outbreak of the new crown epidemic in early 2020 led people to think about the problem of multiple people dining together in large public dining venues such as large cruise Chinese restaurants and large hotel restaurants.

The cabins on the cruise ship except the viewing cabin are all confined spaces. The ventilation of the existing cruise ship cabins is mainly controlled by the central air conditioner, and the air of different cabins will circulate back and forth between the cabins through the central air conditioning system. And restaurants on cruise ships, especially Chinese restaurants, are one of the places with the highest crowd density on cruise ships. There are the following problems when dining together with multiple people: Once someone carries the new coronavirus, it is easy to pass it on to other people during the meal People who dine and transmit the virus to other cabins through the central air conditioning system on the cruise ship, increasing the risk and speed of the spread of the epidemic.

In order to reduce the risk of transmission of the virus during dining at the table, some restaurants will install isolation baffles between the dining tables, but the installation of isolation baffles has the following problems for the circular rotating table: To a certain extent, the air flow is controlled, but it cannot really effectively prevent the virus from spreading through the central air-conditioning system of the cruise ship; the central part of the circular revolving table needs to be rotated, and the isolation baffle needs to be fixedly installed, so it cannot be installed on the revolving table Isolation baffles; Isolation baffles need to be cleaned frequently, but the corners between the isolation baffle plates, the gaps between the isolation baffles and the dining table are easy to gather viruses, bacteria, etc., and these dead corners greatly increase the manual cleaning. difficulty.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned problems, the purpose of the present invention is to provide a negative pressure suction circular dining table that can be used in a large cruise ship Chinese restaurant or a large hotel restaurant with dense personnel. The combined method ensures that people can effectively prevent the virus from spreading during the meal when eating in crowded public places, and solve the problem of insufficient protection against viruses and other existing dining tables.

The technical solution adopted by the present invention to solve the technical problem is: constructing a negative pressure suction dining table, including:

Rotating the desktop, the rotating desktop is connected with a fixed desktop through a bearing, and rotates concentrically relative to the fixed desktop;

A ring-shaped sealing strip is vertically fixed along the circumference of the edge of the side of the rotating table facing the fixed table, and the sealing strip is in contact with the fixed table but not connected, so that the rotating table and the fixed table can rotate relative to each other;

The side of the fixed desktop facing away from the rotating desktop is fixedly connected to a desktop support base, the desktop support base is a hollow cylinder, and an air disinfection filter device is arranged inside;

An air inlet is set at a designated position on the sealing strip, and a plurality of ventilation holes are arranged on the fixed table at the position covered by the sealing strip and the rotating table, so that the air disinfection filter device can communicate with the outside through the ventilation holes and the air inlet.

Wherein, the air disinfection and filtering device includes: an air inlet net, a primary filter screen, a middle filter, an activated carbon adsorption layer and an exhaust fan, which are arranged in a casing and are stacked in sequence from top to bottom;

Wherein, the housing of the air disinfection and filtering device is a cubic box body with an open top surface, the top surface is closed by an air inlet net, and an ultraviolet disinfection lamp is arranged on the inner side wall.

The exhaust fan includes an exhaust fan body, an exhaust fan casing, an exhaust fan base and an exhaust fan casing fixing base; wherein, the drive circuit for the exhaust fan operation is arranged in the exhaust fan casing fixing base, and the exhaust fan body is fixed on the exhaust fan base and rotates relative to the base; the exhaust fan casing is The circular ring is enclosed on the outside of the fan body of the exhaust fan, and is fixed on the fixed base of the exhaust fan casing.

Wherein, the two opposite inner walls of the housing of the air sterilizing filter device are sequentially provided with slots for inserting the primary filter screen, the middle filter, the activated carbon adsorption layer and the fixing plate of the exhaust fan casing.

Among them, the air inlet is an adjustable air inlet, and the direction of the air intake is changed by setting a direction adjuster at the air inlet; wherein, the direction adjuster includes a blade and a handle; the two ends of the blade are provided with fixed columns, and the fixed columns are inserted in the side wall of the air inlet , the handle is connected to the blade, and the handle is rotated to drive the blade to rotate to change the angle of the blade relative to the air inlet.

Among them, the rotating table top and the fixed table top are both circular table tops, and the connected bearings are respectively connected at the center positions of the two.

Wherein, a communication door is arranged on the outer side wall of the desktop support base, and by opening the communication door, the air sterilizing and filtering device arranged inside can be cleaned and replaced.

Different from the prior art, the present invention provides a negative pressure suction table, comprehensively considering the characteristics of Chinese food for many people to eat together and the transmission characteristics of viruses (especially the new coronavirus), adding a table between the rotating table top and the fixed table top of the table. Install the air inlet, and at the same time, by combining the negative pressure suction principle with the round Chinese table, the air exhaled when people eat is sucked into the disinfection filter device at the bottom of the table to sterilize and filter the air; the direction of the air intake can be adjusted through the fan blades. , to meet the high needs of different people; the air disinfection filter device adopts the method of first disinfection and then filtering to ensure that the viruses, bacteria and other microorganisms in the air are fully inactivated and then filtered; Clean air is fed into the ventilation system.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

FIG. 1 is a schematic structural diagram of a negative pressure suction dining table provided by the present invention.

FIG. 2 is a schematic diagram of the working suction of a negative pressure suction table provided by the present invention.

FIG. 3 is a schematic diagram of an exploded steel structure of an air sterilizing and filtering device for a negative pressure suction dining table provided by the present invention.

4 is a schematic structural diagram of the arrangement of the air inlet of a negative pressure suction dining table provided by the present invention.

5 is a schematic structural diagram of a negative pressure suction table provided by the present invention after the air inlet is adjusted.

Detailed ways

In order to have a clearer understanding of the technical features, objects and effects of the present invention, the specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

Referring to Figure 1 and Figure 2, the present invention provides a negative pressure suction table, including:

Rotating the desktop 1, the rotating desktop 1 is connected with a fixed desktop 2 through a bearing, and rotates concentrically relative to the fixed desktop 2;

The rotary table top 1 is vertically fixed along the circumference along the circumference of one side edge of the fixed table top 2, and the sealing strip is in contact with the fixed table top 2 but not connected, so that the rotary table top 1 and the fixed table top 2 are relatively rotated;

The side of the fixed desktop 2 away from the rotating desktop 1 is fixedly connected to a desktop support base 4, and the desktop support base 4 is a hollow cylinder shape, and an air disinfection filter device is arranged inside;

An air inlet 3 is set at a designated position on the sealing strip, and a plurality of ventilation holes are set on the fixed table at the position covered by the sealing strip and the rotating table, so that the air sterilizing filter device can communicate with the outside through the ventilation holes and the air inlet 3.

As shown in FIG. 3 , the air sterilizing and filtering device includes: an air inlet screen 5, a primary filter screen 8, a middle-layer filter 9, an activated carbon adsorption layer 10 and an exhaust fan, which are arranged in a casing 6 and stacked in sequence from top to bottom. ;

Among them, the housing 6 of the air sterilizing and filtering device is a cubic box body with an open top surface, the top surface is closed by the air inlet net 5, and the inner side wall is provided with an ultraviolet disinfection lamp 7. Fig. 2 is the principle schematic diagram of the working suction of the negative pressure suction table of the present invention.

The exhaust fan includes an exhaust fan body 12, an exhaust fan casing 13, an exhaust fan base 14 and an exhaust fan casing fixing base 15; wherein, the drive circuit for the exhaust fan operation is arranged in the exhaust fan casing fixing base 15, and the exhaust fan body 12 is fixed on the exhaust fan base 14, Rotate relative to the base; the exhaust fan casing 13 is a circular ring, surrounded on the outside of the exhaust fan body 12, and fixed on the exhaust fan casing fixing base 15, and the exhaust fan casing 13 is fixed on the air sterilizing filter device through a row fan casing fixing plate 11 Inside.

The two opposite inner walls of the housing 6 of the air sterilizing and filtering device are sequentially provided with slots for inserting the primary filter 8, the middle filter 9, the activated carbon adsorption layer 10 and the fixing plate 11 of the exhaust fan housing.

As shown in FIG. 4 , the air inlet 3 is an adjustable air inlet, and the air inlet direction is changed by setting a direction adjuster 31 at the air inlet; wherein, the direction adjuster 31 includes a blade 311 and a handle 312; The fixed column is inserted into the side wall of the air inlet 3 , and the handle is connected to the blade 311 . The rotation of the handle 312 drives the blade 311 to rotate to change the angle of the blade 311 relative to the air inlet 3 .

The fixing columns (not shown) at both ends of the blade 311 are inserted into the side wall of the air inlet 3 , and the blade 311 has a certain width. The person outside the air inlet 3 drives the blades 311 and the fixed column to rotate relative to the air inlet 3 by adjusting the handle 312 , so that some of the blades 311 shield the air inlet 3 , thereby changing the air inlet wind direction of the air inlet 3 . The state of the adjusted direction adjuster 31 is shown in FIG. 5 .

Among them, the rotating table top 1 and the fixed table top 2 are both circular table tops, and the connected bearings are respectively connected at the center positions of the two.

Wherein, a communication door is provided on the outer side wall of the desktop support base 4, and by opening the communication door, the air sterilizing and filtering device arranged inside can be cleaned and replaced.

In the present invention, the rotating table 1 is a rotating table on which dishes are placed, which is convenient for people to take different dishes. The fixed table top 2 is used for placing personal tableware, and this part is fixed. The air inlet 3 is the air inlet of the air sterilizing filter device set in the desktop support base 4, and the direction of the air intake can be adjusted by the direction regulator 31 as required to ensure that the exhaled air can be sucked into the air sterilization filter device to the greatest extent possible. The air inlet net 5 is a grid net through which indoor air enters the air sterilizing and filtering device. The housing 6 of the air sterilizing and filtering device is the outer shell of the whole air sterilizing and filtering device, and the bottom surface is fixedly connected with an air sterilizing and filtering device shell base 16 for supporting and protecting the whole air sterilizing and filtering device. There are two groups of ultraviolet disinfection lamps 7, which are respectively installed on both sides of the inner wall of the air disinfection filter device housing 6, and can perform ultraviolet disinfection on the inhaled air. The primary filter 8 is used to absorb large particles such as hair and dust in the air that has been sterilized by ultraviolet rays. The middle filter 9 is used to filter virus or bacterial particles in the air. The activated carbon adsorption layer 10 is used to adsorb toxic gases such as formaldehyde in the air. The exhaust fan body 12, the exhaust fan casing 13 and the exhaust fan base 14 together form an exhaust fan, wherein the exhaust fan casing 13 and the exhaust fan base 14 play a role in fixing and protecting the exhaust fan body 12, and the entire exhaust fan plays the role of exhausting air to the outside. A negative pressure environment is formed in the entire air sterilization filter device. The exhaust fan casing fixing plate 11 and the exhaust fan casing fixing base 15 together play a fixed role for the exhaust fan composed of the exhaust fan body 12 , the exhaust fan casing 13 and the exhaust fan base 14 . The housing base 16 of the negative pressure device is used to support the entire air sterilizing and filtering device.

The negative pressure suction type air disinfection table of the present invention has adjustable air inlets on the rotating table top and the fixed table top, and the ventilation holes are connected with the air disinfection and filtering device and the negative pressure suction device in the lower space of the table. The exhaled air is sucked into the lower air sterilizing and filtering device, and the air is sterilized and filtered before being fed into the central air-conditioning system of the cruise ship. Compared with the existing Chinese restaurant table, the present invention can effectively control the risk of virus transmission when multiple people eat together, improve the safety in crowded large cruise Chinese restaurants or large hotel restaurants and other scenarios where many people eat together, allowing people to eat together. Indulge in the joy of dining with a group of people.

The embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of the present invention, without departing from the scope of protection of the present invention and the claims, many forms can be made, which all belong to the protection of the present invention.

Claims (7)

1. A negative pressure suction dining table, comprising:

the rotary table top is connected with a fixed table top through a bearing and concentrically rotates relative to the fixed table top;

an annular sealing strip is vertically and fixedly arranged on one side edge of the rotating table top facing the fixed table top along the circumference, and the sealing strip is in contact with but not connected with the fixed table top so as to enable the rotating table top and the fixed table top to rotate relatively;

one side of the fixed desktop, which is far away from the rotating desktop, is fixedly connected with a desktop supporting base, the desktop supporting base is in a hollow cylindrical shape, and an air disinfection and filtration device is arranged inside the desktop supporting base;

an air inlet is formed in a designated position on the sealing strip, and a plurality of ventilation holes are formed in the positions, covered by the sealing strip and the rotary table top, on the fixed table top, so that the air disinfection and filtration device is communicated with the outside through the ventilation holes and the air inlet.

2. The negative pressure suction dining table of claim 1, wherein the air sterilizing and filtering device comprises: the air inlet net, the primary filter screen, the middle filter, the activated carbon adsorption layer and the exhaust fan are arranged in a shell and are sequentially stacked from top to bottom;

the shell of the air disinfection and filtration device is a cubic box with an open top surface, the top surface is sealed by the air inlet net, and the inner side wall is provided with an ultraviolet disinfection lamp.

3. The negative pressure air suction dining table as claimed in claim 2, wherein the exhaust fan comprises an exhaust fan body, an exhaust fan shell, an exhaust fan base and an exhaust fan shell fixing base; the driving circuit for the exhaust fan to work is arranged in the exhaust fan shell fixing base, and the exhaust fan body is fixed on the exhaust fan base and rotates relative to the base; exhaust fan shell is ring shape, encloses to arrange in exhaust fan body outside, and be fixed in on the exhaust fan shell unable adjustment base, exhaust fan shell is fixed in the air disinfection filter equipment through a row of fan shell fixed plate with the exhaust fan.

4. The negative pressure air suction dining table as claimed in claim 3, wherein the opposite inner walls of the air sterilizing and filtering device are provided with slots for inserting the primary filter net, the middle filter, the activated carbon adsorption layer and the exhaust fan casing fixing plate in sequence.

5. The negative pressure air suction dining table as claimed in claim 1, wherein the air inlet is an adjustable air inlet, and the air inlet direction is changed by arranging a direction regulator at the air inlet; wherein the direction adjuster comprises a blade and a handle; the two ends of the blade are provided with fixing columns, the fixing columns are inserted into the side wall of the air inlet, the handle is connected with the blade, and the blade is driven to rotate by the rotation of the handle so as to change the angle of the blade relative to the air inlet.

6. The negative pressure air suction dining table as claimed in claim 1, wherein the rotating table top and the fixed table top are circular table tops, and the connected bearings are respectively connected to the circle centers of the rotating table top and the fixed table top.

7. The negative pressure air suction dining table as claimed in claim 6, wherein a communication door is arranged on the outer side wall of the table top supporting base, and the internally arranged air sterilizing and filtering device is cleaned and replaced by opening the communication door.

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