CN213577948U - Cross infection prevention device - Google Patents
Cross infection prevention device Download PDFInfo
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- CN213577948U CN213577948U CN202022747006.9U CN202022747006U CN213577948U CN 213577948 U CN213577948 U CN 213577948U CN 202022747006 U CN202022747006 U CN 202022747006U CN 213577948 U CN213577948 U CN 213577948U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model discloses a prevent cross infection device. The cross-infection prevention device comprises: a work table; the protection box is provided with a right box wall, a left box wall and a top box wall, an interaction chamber is enclosed in the protection box, and the working table is transversely arranged below the protection box along the left-right direction so as to divide the interaction chamber into a front personnel activity area, a rear personnel activity area and a middle working table area; the air duct is provided with an air supply outlet unit arranged on the right box wall or the top box wall, one part of the air supply outlet unit corresponds to the front personnel activity area, the other part of the air supply outlet unit corresponds to the rear personnel activity area, the rest parts of the air supply outlet unit correspond to the middle worktable area, and an air return opening of the air duct is arranged on the left box wall and corresponds to the middle worktable area; the fan drives airflow to enter the interaction chamber from the air supply outlet unit and then enter the air channel through the air return inlet; and the air processing module is arranged in the air return channel. The utility model discloses blow away face-to-face two people's gas of breathing out separately in time, reduce cross infection.
Description
Technical Field
The utility model relates to a safe epidemic prevention equipment technical field, concretely relates to prevent cross infection device.
Background
In general, in public places such as hospital outpatient rooms, doctors and patients often communicate in close face-to-face relationship, and thus viruses are spread by various means such as droplets, contact, aerosol, etc., resulting in cross infection between doctors and patients.
At present, the air in the space of the public place is sterilized and purified by a central air conditioner or a traditional air purifier arranged in the public place. However, although these sterilization and purification methods can dilute harmful components such as pollutants, germs, etc. in the space by blowing air to public, the process is slow, and it is obvious that the difficult task of sterilization and purification cannot be satisfied when the serious epidemic situation of infectious diseases is faced, and even the air flow in the space is accelerated by the blowing of the central air conditioner or the local air purifier, thereby promoting the spread of viruses.
Even if people wear a mask to protect, viruses can still be attached to clothes or naked skin, so that the viruses are continuously transmitted and diffused; moreover, if the mode of wearing the mask is not standard, people who communicate face to face still can be infected with crossly, so that people have panic mind in communication.
SUMMERY OF THE UTILITY MODEL
For solving the prior technical problem, the utility model aims to provide a cross infection prevention device which reduces the risk of cross infection when people communicate face to face in public places.
In order to achieve the above object, an embodiment of the present invention provides a cross infection prevention device, which includes:
a support table having a table top and a base for supporting the table top;
the protection box is provided with a right box wall arranged on the right side above the working table, a left box wall arranged on the left side above the working table and a top box wall connecting the right box wall and the left box wall, an interaction chamber is enclosed in the protection box, the front side and the rear side of the protection box are respectively provided with an entrance for personnel to enter and exit the interaction chamber, and the working table is transversely arranged below the protection box along the left-right direction so that the interaction chamber is divided into a front personnel activity area, a rear personnel activity area and a middle working table area;
the air duct comprises an air supply duct arranged in the cavity of the right box wall or the top box wall and an air return duct arranged in the cavity of the left box wall, the air supply duct is provided with an air supply outlet unit, the air supply outlet unit is arranged on the inner wall plate of the right box wall or the top box wall, one part of the air supply outlet unit corresponds to the front personnel activity area, the other part of the air supply outlet unit corresponds to the rear personnel activity area, the rest parts of the air supply outlet unit correspond to the middle worktable area, the air return duct is provided with an air return opening arranged on the inner wall plate of the left box wall, and the air return opening corresponds to the middle worktable area;
the fan is arranged in the air duct and drives the airflow in the air supply duct to enter the interaction chamber from the air supply outlet unit and then enter the air return duct through the air return inlet;
the air treatment module comprises any one or any combination of a dust filtering unit, a smell removing unit, a sterilizing unit, a temperature adjusting unit and a humidity adjusting unit, and is arranged in the air return channel, and enters the air flow of the air return channel to flow through the air treatment module.
As a further improvement of an embodiment of the present invention, the top box wall connects the respective top edges of the left box wall and the right box wall, and shields the interaction chamber above;
the protective box is also provided with a front box wall and a rear box wall;
the front box wall connects the front edges of the left box wall and the right box wall, and a front personnel activity area is formed between the front edges of the left box wall and the right box wall and the front edge of the working table;
the rear box wall connects the respective rear edges of the left box wall and the right box wall, and the rear personnel activity area is formed between the rear edges of the left box wall and the right box wall and the rear edge of the working table.
As an embodiment of the utility model provides a further improvement, the return air duct with the supply-air duct is linked together, certainly the return air inlet gets into the air current in return air duct, warp the supply-air duct returns interactive room, air treatment module sets up the end that induced drafts of fan with between the return air inlet.
As a further improvement of an embodiment of the present invention, the air return duct has an air outlet, the air outlet is disposed at an outer wall plate of the left tank wall, and the air return duct is communicated to an external atmospheric environment of the protection box through the air outlet;
the air supply duct is provided with a fresh air opening, the fresh air opening is formed in the outer wall plate of the right box wall or the top box wall, and the air supply duct is communicated to the external atmospheric environment of the protective box through the fresh air opening.
As a further improvement of an embodiment of the present invention, the cross infection prevention device includes two of the fans;
one of the two fans is a return air fan arranged in the return air duct, the return air fan is positioned between the air treatment module and the air outlet, and the air suction end of the return air fan faces the air treatment module and the air outlet end of the return air fan faces the air outlet;
the other of the two fans is an air supply fan arranged in the air supply duct;
prevent cross infection device still includes fresh air processing module, fresh air processing module includes any or arbitrary combination of dust filter unit, removes flavor unit, sterilization unit, temperature regulation unit and humidity control unit, and it sets up air supply fan with between the supply-air outlet unit, air supply fan's the end orientation that induced drafts fresh-air outlet and its air-out end orientation fresh air processing module to make the entering the air current of air supply duct flows through fresh air processing module.
As a further improvement of an embodiment of the present invention, the cross infection prevention device further includes an air outlet adjusting mechanism installed at the air supply outlet unit;
the air supply outlet unit is provided with at least five air supply outlets which are sequentially arranged at intervals in the front-back direction, the at least five air supply outlets are divided into a front edge air supply outlet, a front main air supply outlet, a parting line air supply outlet, a rear main air supply outlet and a rear edge air supply outlet which are sequentially arranged from front to back, and the positions of the parting line air supply outlets correspond to the front parting line and the rear parting line of the worktable surface;
when the air outlet adjusting mechanism is in an adjusting state, the air outlet adjusting mechanism enables all the air supply outlets to be capable of discharging air, and the respective air output volume or air speed of the front edge air supply outlet, the rear edge air supply outlet and the dividing line air supply outlet is larger than the respective air output volume or air speed of the front main air supply outlet and the rear main air supply outlet.
As a further improvement of an embodiment of the present invention, the air outlet adjusting mechanism is a plurality of air door baffles arranged at the corresponding air supply port, and each air door baffle can move relative to the inner wall plate of the right tank wall to change the open area of the air supply port where the air door baffle is located; when the air outlet adjusting mechanism is in the adjusting state, all the air supply outlets in the air supply outlet unit are at least partially opened, and the respective opening areas of the front edge air supply outlet, the rear edge air supply outlet and the dividing line air supply outlet are larger than the respective opening areas of the front main air supply outlet and the rear main air supply outlet;
or the air outlet adjusting mechanism is a plurality of air distribution fans which are arranged at the corresponding air supply outlets and have adjustable rotating speed, and when each air distribution fan is started, airflow can be accelerated to pass through the air supply outlet where the air distribution fan is located; when the air outlet adjusting mechanism is in an adjusting state, the air dividing fans corresponding to all the air supply outlets in the air supply outlet unit are all opened, and the rotating speeds of the air dividing fans corresponding to the front edge air supply outlet, the rear edge air supply outlet and the dividing line air supply outlet are higher than the rotating speeds of the air dividing fans corresponding to the front main air supply outlet and the rear main air supply outlet.
As a further improvement of an embodiment of the present invention, the air supply duct has a plurality of air supply outlet units sequentially arranged in a line from top to bottom on an inner wall plate of the right tank wall, and each air supply outlet unit is provided with the corresponding air outlet adjusting mechanism;
when the air outlet adjusting mechanism is in an energy-saving state, the air outlet adjusting mechanism enables the front edge air outlet, the rear edge air outlet and the dividing line air outlet in the corresponding air outlet unit to respectively output air, and the front main air outlet and the rear main air outlet do not output air respectively.
As a further improvement of an embodiment of the present invention, the cross infection prevention device further includes:
the height sensor is arranged on the protective box and can sense the height information of the personnel in the interaction room;
the controller is provided with a height information receiving unit connected with the height sensor, a state control unit connected with each air outlet adjusting mechanism and a control instruction generating unit for connecting the height information receiving unit and the state control unit;
and each air outlet adjusting mechanism is in the energy-saving state or the adjusting state under the control of the state control unit.
As a further improvement of an embodiment of the present invention, the cross infection prevention device further includes:
the height sensor is arranged on the protective box and senses the height information of the personnel in the interaction room;
and the controller is used for receiving the height information from the height sensor and controlling each air-out adjusting mechanism with the position lower than the height information to be in the adjusting state and each air-out adjusting mechanism with the position higher than the height information to be in the energy-saving state according to the height information.
As a further improvement of an embodiment of the utility model, the protective housing supports on the table surface, the base edge of the interior wallboard of left side tank wall has the breach of undercut, the return air inlet by the edge of breach with table surface surrounds and forms.
Compared with the prior art, the utility model discloses following beneficial effect has: on one hand, harmful substances in the front personnel activity area and the rear personnel activity area are blown to the left side, the harmful substances and aerosol exhaled by two personnel in face-to-face communication are respectively taken away without interaction, on the other hand, the harmful substances are further prevented from flowing back and forth through the blocking of airflow from right to left in the transverse direction of the middle working table surface area, the cross infection is reduced, the two parties in face-to-face communication are powerfully protected, on the other hand, the non-inductive isolation between the people can be realized while the cross infection is avoided, and the psychological panic is avoided.
Drawings
FIG. 1 is a schematic structural view of a cross-infection prevention device according to a first embodiment of the present invention;
FIG. 2 is a schematic structural view of a part (omitting the top box wall) of the cross infection prevention device according to the first embodiment of the present invention;
FIG. 3 is a schematic top view showing a partial structure of a cross infection preventing device according to a first embodiment of the present invention;
FIG. 4 is an inside view in longitudinal section of the cross-infection prevention device according to the first embodiment of the present invention;
FIG. 5 is a schematic view of the inner structure of the right box wall of the cross infection prevention device according to the first embodiment of the present invention;
fig. 6 is an inside view of a longitudinal section of a cross infection preventing device according to a second embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.
Referring to fig. 1 to 5, a first embodiment of the present invention provides a cross infection prevention device 100, which can be applied to a place requiring face-to-face communication, such as a hospital outpatient room, and can reduce the probability of cross infection when people communicate face-to-face.
The cross infection prevention apparatus 100 includes a support table 2, a protection box 1, an air duct, a blower 71, and an air treatment module 81.
The support table 2 is typically a table in face-to-face communication having a generally horizontally disposed work surface 21 and a base 22 for supporting the work surface 21.
The work surface 21 may be positioned horizontally or nearly parallel to the horizontal (e.g., slightly tilted at a small angle), and persons communicating face-to-face may perform item transfers, file fills, or other operations on the work surface 21.
Typically, the front portion of the work surface 21 is accessible to one person and the rear portion is accessible to the other person, thus, for clarity of this embodiment, the work surface 21 is generally divided into a front personnel access surface S31 and a rear personnel access surface S32, and the intersection of the front and rear personnel operating decks S31, S32 is defined as the front-to-rear split line C0, it being understood that, the front-rear dividing line C0 is a virtual boundary line and does not necessarily have a substantial boundary line, and for example, in a hospital outpatient room, a partial region of the table 21 near the doctor and on which the doctor places medical instruments, medical records, materials, and the like constitutes a front staff operating table S31, and the partial area of the working table surface 21 close to the side where the patient is located and on which the arm and the signature of the patient are placed forms a rear personnel operating table surface S32. In the drawings, the center line of the table top 21 is exemplified as a front-rear dividing line C0.
The lower end of the base 22 can be supported on the ground to support the working platform 21, in the figure, the base 22 is exemplified by support legs disposed at four corners of the working platform 21, so that the whole supporting platform 2 can be configured as a four-feet table structure, but the specific implementation is not limited thereto, for example, the supporting platform 2 can also be configured as a cabinet structure, a T-shaped platform or other structural modeling.
The protective box 1 is at least partially covered above the supporting platform 2 and is provided with a right box wall 13 arranged on the right side above the working platform 21, a left box wall 12 arranged on the left side above the working platform 21 and a connecting wall for connecting the right box wall 13 with the left box wall 12, an interaction chamber S0 for face-to-face communication between people is enclosed inside the protective box 1, namely the left box wall 12, the right box wall 13 and the connecting wall jointly enclose an interaction chamber S0, the protective box 1 covers people for face-to-face communication on the front side surface and the back side surface of the supporting platform 2, and the people can complete communication in the interaction chamber S0.
The front side and the rear side of the protective box 1 are respectively provided with an entrance 101 for people to enter and exit the interaction chamber S0, and the working table 21 is transversely arranged below the protective box 1 along the left-right direction, so that the interaction chamber S0 is divided into a front people activity area S1, a rear people activity area S2 and a middle working table area S3.
In the embodiment of the figures, the connecting walls comprise in particular a top wall 11, a front wall 15 and a rear wall 14, the top wall 11 connecting the respective top edges of the left wall 12 and of the right wall 13 and shielding above the interaction chamber S0; the front box wall 15 connects the respective front edges of the left box wall 12 and the right box wall 13, and forms a front personnel activity area S1 with the front edge of the work bench 21; the rear box wall 14 connects the respective rear edges of the left box wall 12 and the right box wall 13, and a rear personnel activity area S2 is formed between the rear edges and the rear edge of the working platform 21; the central worktop area S3, the space directly above the worktop 21, includes the aforementioned front personnel access surface S31 and rear personnel access surface S32.
The air duct is disposed in a hollow cavity of the protective box 1, and specifically includes an air supply duct 32 and an air return duct 31.
In the embodiment shown in the drawings, the air duct 32 is provided in a cavity of the right casing wall 13, and may be specifically formed by surrounding an outer wall plate 132 and an inner wall plate 131 of the right casing wall 13, the air duct 32 includes the air outlet unit 4, and the air outlet unit 4 is provided on the inner wall plate 131 of the right casing wall 13 and extends in the front-rear direction.
The air return duct 31 is disposed in the cavity of the left box wall 12, and may be specifically formed by surrounding an outer wall plate 122 and an inner wall plate 121 of the left box wall 12, and the air return duct 31 has an air return opening 5 disposed at the inner wall plate 121 of the left box wall 12.
The fan 71 is disposed in the air duct, so that under the driving of the fan 71, the air flow in the air supply duct 32 enters the interaction chamber S0 from the air supply outlet unit 4, flows from right to left in the interaction chamber S0, and then enters the air return duct 31 through the air return opening 5.
Wherein, the position of the return air inlet 5 corresponds to the middle worktable area S3; the position of a part of the air supply outlet unit 4 corresponds to the front personnel activity area S1, so that when the airflow in the air supply duct 32 is blown into the interaction chamber S0 through the part of the air supply outlet unit 4, the airflow directly enters the front personnel activity area S1 and carries harmful substances in the front personnel activity area S1 to flow from right to left to the air return opening 5; the other part of the air supply outlet unit 4 is positioned corresponding to the rear personnel activity area S2, so that when the airflow in the air supply duct 32 is blown into the interaction chamber S0 through the part of the air supply outlet unit 4, the airflow directly enters the rear personnel activity area S2 and carries harmful substances in the rear personnel activity area S2 to flow from right to left to the air return opening 5; the rest of the air supply outlet unit 4 is located at a position corresponding to the middle worktable area S3, so that when the air in the air supply duct 32 is blown into the interaction chamber S0 through the part of the air supply outlet unit 4, the air directly enters the middle worktable area S3 and carries harmful substances in the middle worktable area S3 to flow from right to left to the air return opening 5.
Thus, by the arrangement of the air supply outlet unit 4, on one hand, harmful substances in the front personnel activity area S1 and the rear personnel activity area S2 can be blown to the left side, the harmful substances and aerosol exhaled by the two personnel in face-to-face communication can be taken away respectively without interaction, on the other hand, the harmful substances are further prevented from flowing back and forth through the obstruction of the transverse right-to-left air flow in the middle working table surface area S3, cross infection is reduced, the two parties in face-to-face communication are protected powerfully, on the other hand, noninductive isolation between the people can be realized while the cross infection is avoided, and psychological panic is avoided.
And set up air treatment module 81 in return air duct 31, this air treatment module 81 includes any one or arbitrary combination of dust filtration unit, removes flavor unit, sterilization unit, temperature regulation unit and humidity control unit, makes the air current that gets into return air duct 31 through return air inlet 5 flow through air treatment module 81 from this to realize the removal to harmful substance in the air current, further avoids harmful substance's diffusion and spread, reduces the morbidity of infectious disease.
The dust filtering unit is used for removing particulate matters in the air, and a specific structure can adopt a known filtering device capable of removing the particulate matters; the odor removal unit is used for removing harmful gases in the air, and the specific structure can adopt a known device which can be used for removing particles, such as a semi-permeable membrane loaded with a getter; the sterilization unit is used for removing bacteria and viruses in the air, and specifically can adopt ozone, ultraviolet or other known sterilization devices; the temperature adjusting unit is used for adjusting the temperature of air and can be specifically set as a heater, a refrigerator and the like; the humidity adjusting unit is used for adjusting air humidity and can be specifically set into a water mist humidifier, a dryer and the like. These units can be specifically set as required, and are not described in detail.
In the preferred embodiment shown in the drawings, the air blowing duct 32 is provided in the cavity of the right box wall 13, and the corresponding air blowing port unit 4 is provided on the inner wall panel 131 of the right box wall 13, thereby achieving the right-left air flow in the interaction chamber S0 and preventing the harmful material from flowing in the front-rear direction. In an alternative embodiment, the air duct 32 may be disposed in the cavity of the top box wall 11, and the corresponding air outlet unit 4 is disposed on the inner wall 111 of the top box wall 11, so that the air flow in the interaction chamber S0 can flow from top to bottom and from left to right, and the harmful substances can be prevented from flowing in the front-back direction to some extent, thereby achieving the effect of preventing cross-infection.
Further, in the present embodiment, the return duct 31 is communicated with the air supply duct 32, and the air flow entering the return duct 31 from the return air inlet 5 returns to the interaction chamber S0 through the air supply duct 32. Specifically, the air duct further comprises a connecting air duct 33, the connecting air duct 33 is arranged in any one or more of the top box wall 11, the front box wall 15 and the rear box wall 14, preferably in the top box wall 11, the left end of the connecting air duct 33 is communicated with the air return duct 31, the right end of the connecting air duct 33 is communicated with the air supply duct 32, and the air treatment module 81 is arranged between the air suction end and the air return opening 5 of the fan 71, namely, the air flow flowing into the air return duct 31 from the air return opening 5 firstly passes through the air treatment module 81 and then passes through the fan 71, so that the air flow containing harmful substances flowing into the air return duct 31 is firstly sterilized and purified, and the pollution and long-term hidden danger caused by the harmful substances carried in the air flow when the air flow firstly passes through the fan 71 are.
Further, the number of the air outlet units 4 may be specifically set to one or more, in the embodiment of the drawings, the number of the air outlet units 4 is plural, that is, the air duct 32 has plural air outlet units 4 arranged in a row from top to bottom on the inner wall plate 131 of the right box wall 13 (it can be understood that, in the above-mentioned variation embodiment in which the air outlet units 4 are arranged on the top box wall 11, the plural air outlet units 4 are arranged in a row from left to right on the inner wall plate of the top box wall 11), and the number of the air outlet units 4 is set to 6 in the drawings.
Each of the air blowing port units 4 is provided with at least five air blowing ports 41 arranged in the front-rear direction at intervals in sequence, the at least five air blowing ports 41 are divided into a front edge air blowing port 41a, a front main air blowing port 41d, a division line air blowing port 41C, a rear main air blowing port 41e and a rear edge air blowing port 41b which are arranged in the front-rear direction in sequence, and the division line air blowing port 41C is positioned at a position corresponding to a front and rear division line C0 of the work table 21. In the figure, the number of the air blowing ports 41 of each air blowing port unit 4 is exemplified as 11, and the 11 air blowing ports 41 are arranged at intervals in the front-rear direction in sequence, and from front to rear in sequence, there are one front edge air blowing port 41a, four front main air blowing ports 41d, one division line air blowing port 41c, four rear main air blowing ports 41e, and one rear edge air blowing port 41b, although this is merely a specific example, and the actual number is not limited thereto, and the number of the front edge air blowing ports 41a, the front main air blowing ports 41d, the division line air blowing ports 41c, the rear main air blowing ports 41e, and the rear edge air blowing ports 41b is not limited to this example.
Further, the cross infection prevention apparatus 100 further includes an outlet air adjusting mechanism 6 installed at the outlet unit 4, and preferably, each outlet unit 4 is installed with a corresponding outlet air adjusting mechanism 6.
The air outlet adjusting mechanism 6 can be used for adjusting the air outlet state of the air supply outlet unit 4, and can specifically have an adjusting state and an energy-saving state.
When a certain outlet air adjusting mechanism 6 is in the adjusting state, the outlet air adjusting mechanism 6 causes all the outlet air ports 41 of the corresponding outlet air port unit 4 to be exhausted, and the respective outlet air volume or air speed of the front edge outlet air port 41a, the rear edge outlet air port 41b, and the dividing line outlet air port 41c is larger than the respective outlet air volume or air speed of the front main outlet air port 41d and the rear main outlet air port 41 e.
Thus, the air output or the air speed of the front edge air supply outlet 41a is greater than that of the front main air supply outlet 41d, so that air curtain isolation (such as airflow F1 in the figure) to the front personnel activity area S1 can be realized from the front, harmful airflow in the front personnel activity area S1 caused by blowing of the front main air supply outlet 41d is prevented from forwardly passing through the access 101 at the front side of the protective box 1 and flowing out of the interaction chamber S0, and further, the harmful substances are prevented from diffusing into the external atmospheric environment to cause wide spread of diseases; similarly, the air output or the air speed of the rear edge air supply outlet 41b is greater than that of the rear main air supply outlet 41e, so that air curtain isolation (such as airflow F2 in the figure) to the rear personnel activity area S2 can be realized from the rear, and harmful airflow in the rear personnel activity area S2 caused by blowing of the rear main air supply outlet 41e is prevented from flowing backwards out of the interaction chamber S0 through the access 101 at the rear side of the protective box 1, so that the harmful substances are prevented from diffusing into the external atmospheric environment to cause wide spread of diseases; meanwhile, the air output or the air speed of the air supply outlet 41c of the dividing line is greater than that of the front main air supply outlet 41d and that of the rear main air supply outlet 41e, so that air curtain isolation (such as airflow F3 in the figure) between the rear personnel activity area S2 and the front personnel activity area S1 is further realized, airflow cross flow between the rear personnel activity area S2 and the front personnel activity area S1 is avoided, and the probability of cross infection is further reduced; moreover, the front main air supply outlet 41d and the rear main air supply outlet 41e respectively keep air outlet, so that harmful substances exhaled by people can be taken away in time through airflow flow, aerosol is prevented from being formed, the harmful substances are prevented from being attached to clothes of the people, the working table 21 or other articles in a moving area, the probability that the harmful substances are taken out of the interaction chamber S0 along with the people is reduced, and the risk that the harmful substances harm the next person entering the interaction chamber S0 is also reduced; and the air outlet of the front main air supply outlet 41d and the rear main air supply outlet 41e is kept, the air outlet volume or the air outlet speed of the front main air supply outlet 41d and the rear main air supply outlet 41e are kept relatively low, the discomfort of the personnel caused by strong wind is avoided, the safety of the personnel is improved, and the comfort level of the personnel is guaranteed.
When one of the outlet air adjusting mechanisms 6 is in the energy saving state, the outlet air adjusting mechanism 6 causes the front edge outlet 41a, the rear edge outlet 41b, and the division line outlet 41c of the corresponding outlet unit 4 to respectively discharge air, and causes the front main outlet 41d and the rear main outlet 41e to respectively discharge no air.
Specifically, in the embodiment of the drawing, the air outlet adjusting mechanism 6 is a plurality of damper baffles movably disposed at the corresponding air supply ports 41, and preferably, one damper baffle is disposed at each air supply port 41. Each of the damper flaps is movable (e.g., slidable or rotatable) relative to the inner wall panel 131 of the right casing wall 13 to vary the open area of the supply air outlet 41 in which it is located. When the opening area is larger, the air outlet quantity which can pass through is larger.
When a certain outlet air adjusting mechanism 6 is in the above-described adjusted state, the outlet air adjusting mechanism 6 causes all the outlet air ports 41 of the corresponding outlet air port unit 4 to be exhausted, that is, the front edge outlet air port 41a, the rear edge outlet air port 41b, the front main outlet air port 41d, the rear main outlet air port 41e, and the dividing line outlet air port 41c are all at least partially opened, and the respective opening areas of the front edge outlet air port 41a, the rear edge outlet air port 41b, and the dividing line outlet air port 41c are larger than the respective opening areas of the front main outlet air port 41d and the rear main outlet air port 41 e. When a certain outlet air adjusting mechanism 6 is in the energy saving state, the front edge outlet 41a, the rear edge outlet 41b, and the division line outlet 41c of the corresponding outlet unit 4 are at least partially opened by the respective damper flaps, and the front main outlet 41d and the rear main outlet 41e are completely shielded by the respective damper flaps.
In the above, the illustrated implementation case that the air outlet adjusting mechanism 6 is a plurality of damper baffles is described, in a variation, the air outlet adjusting mechanism 6 may also be a plurality of air distribution fans with adjustable rotation speed and disposed at the corresponding air supply outlets 41, and preferably, one air distribution fan is disposed at each air supply outlet 41. When each air distribution fan is started, the airflow is accelerated to pass through the air supply opening 41 where the air distribution fan is located, the air speed passing through the air supply opening 41 where the air distribution fan is located can be adjusted by adjusting the rotating speed of the air distribution fan, and when the rotating speed of the air distribution fan is larger, the air speed at the air supply opening 41 where the air distribution fan is located is also larger.
Accordingly, in this modified embodiment, when a certain outlet air adjusting mechanism 6 is in the adjusted state, the outlet air adjusting mechanism 6 causes all the outlet air ports 41 of the corresponding outlet air port unit 4 to be exhausted, that is, the respective corresponding branch air blowers of the front edge outlet air port 41a, the rear edge outlet air port 41b, the front main outlet air port 41d, the rear main outlet air port 41e, and the dividing line outlet air port 41c are all turned on, and the rotational speeds of the respective corresponding branch air blowers of the front edge outlet air port 41a, the rear edge outlet air port 41b, and the dividing line outlet air port 41c are higher than the rotational speeds of the respective corresponding branch air blowers of the front main outlet air port 41d and the rear main outlet air port 41 e. When a certain outlet air adjusting mechanism 6 is in the energy saving state, the respective air dividing fans corresponding to the front edge air outlet 41a, the rear edge air outlet 41b, and the division line air outlet 41c of the corresponding air outlet unit 4 are all turned on, and the respective air dividing fans corresponding to the front main air outlet 41d and the rear main air outlet 41e are all turned off.
Therefore, on one hand, the arrangement of the air supply outlet units 4 can ensure that the air outlet covers a larger area in the vertical direction, so that the larger range and even all-around air flow blowing in the interaction chamber S0 can be realized, and harmful substances in the interaction chamber S0 can be sufficiently taken away; on the other hand, by setting the adjustment state and the energy saving state, the front edge air supply outlets 41a, the rear edge air supply outlets 41B, and the dividing line air supply outlets 41C of all the air supply outlet units 4 are all in the air blowing state, that is, all the front edge air supply outlets 41a of the area a, all the rear edge air supply outlets 41B of the area B, and all the dividing line air supply outlets 41C of the area C in fig. 5 all blow, so that the spans of the three air curtains F1, F2, and F3 corresponding to the area a, the area B, and the area C in the up-down direction are all relatively large, and the air curtain isolation effect is ensured.
Preferably, the cross-infection prevention device 100 further comprises a height sensor and a controller.
The height sensor is installed in the protection box 1 and can sense the height information of the person in the interaction chamber S0, and can be specifically configured as an infrared sensor, a distance sensor, an image collector, and other sensing components.
The controller is provided with a height information receiving unit, a state control unit and a control instruction generating unit. The height information receiving unit is connected with the height sensor and used for receiving the height information sensed by the height sensor; the state control unit is connected with each air outlet adjusting mechanism 6 and is used for controlling the state of each air outlet adjusting mechanism 6, including controlling each air outlet adjusting mechanism 6 to be in the adjusting state or the energy-saving state; the control instruction generating unit connects the height information receiving unit with the state control unit, so as to match the height information with the control instruction of the state control unit, that is, to generate the control instruction according to the height information.
Specifically, after the height sensor senses the height information of the person in the interaction chamber S0, the controller may receive the height information from the height sensor, and control the air outlet adjusting mechanisms 6 corresponding to the air outlet units 4 whose positions are lower than the height information to be in the adjusting state and the air outlet adjusting mechanisms 6 corresponding to the air outlet units 4 whose positions are higher than the height information to be in the energy saving state according to the height information. That is, the control instruction generating unit generates the corresponding control instruction according to the height information, where the control instruction is specifically that the air outlet adjusting mechanisms 6 corresponding to the air outlet units 4 that are lower than the height information are in the adjusting state, and the air outlet adjusting mechanisms 6 corresponding to the air outlet units 4 that are higher than the height information are in the energy saving state.
For example, if the height sensor senses that the height information of the person in the interaction chamber S0 is 1.6m, and if the height of the lower three air supply outlet units 4 from the ground is less than 1.6m and the height of the upper three air supply outlet units 4 from the ground is more than 1.6m in the 6 air supply outlet units 4 shown in fig. 5, the controller controls the air outlet adjusting mechanisms 6 corresponding to the lower three air supply outlet units 4 to be in the adjusting state and the air outlet adjusting mechanisms 6 corresponding to the upper three air supply outlet units 4 to be in the energy-saving state according to the height information of 1.6m, that is, the front main air supply outlet 41d and the rear main air supply outlet 41e of the lower three air supply outlet units 4 are air-out, and the front main air supply outlet 41d and the rear main air supply outlet 41e of the upper three air supply outlet units 4 are air-out, it can be ensured that the area where the person is located is covered by the air-out flow to take away the harmful substances exhaled by the person, meanwhile, the situation that redundant air blowing is not performed above the top of the head of a person is avoided so as to avoid energy waste.
Further, the protective box 1 is supported on the working table 21, the bottom edge of the inner wall plate 121 of the left box wall 12 is provided with an upwardly concave notch, and the air return opening 5 is surrounded by the edge of the notch and the working table 21. Thus, when the airflow in the interaction chamber S0 flows from right to left and downward (or from top to left and downward in the modified embodiment) to the return air inlet 5, the airflow smoothly flows into the return air inlet 5 along the work top 21, so as to improve the smoothness of the flow and avoid the airflow from forming a vortex at the left end of the work top 21 due to the upward movement of the return air inlet 5.
Compared with the prior art, the beneficial effect of this embodiment lies in:
(1) on one hand, harmful substances in the front personnel activity area S1 and the rear personnel activity area S2 can be blown to the left side, the harmful substances and aerosol exhaled by the two personnel in face-to-face communication are respectively taken away without interaction, on the other hand, the harmful substances are further prevented from flowing back and forth through the obstruction of transverse right-to-left airflow in the middle working table area S3, the cross infection is reduced, the two parties in face-to-face communication are protected powerfully, on the other hand, the cross infection is avoided, meanwhile, the non-inductive isolation between the people is realized, and the psychological panic is avoided;
(2) through the air-out regulation of supply-air outlet unit 4, when realizing that preceding, well, back three places carry out the air curtain and keep apart in order to avoid cross infection, virus diffusion, can also avoid the strong wind to lead to personnel's healthy discomfort, guarantee personnel's comfort level when promoting personnel's sense of safety to compromise energy saving and consumption reduction.
Referring to fig. 6, a cross infection prevention device 100 according to a second embodiment of the present invention is provided, which is different from the first embodiment in the specific structure of the air duct and the structure of the accessories in the air duct. Only this difference will be described below, and the rest of the technical contents are the same as those of the first embodiment and will not be described again.
Unlike the structure in which the supply duct 32 and the return duct 31 communicate with each other in the first embodiment, in the second embodiment, the return duct 31 and the supply duct 32 are relatively independent from each other, and specifically, the return duct 31 has an exhaust outlet provided at the outer wall plate of the left case wall 12, through which the return duct 31 communicates with the external atmospheric environment of the protection case 1; the air supply duct 32 has a fresh air opening 42, the fresh air opening 42 is arranged on the outer wall plate 132 of the right box wall 13 or the outer wall plate 112 of the top box wall 11 as shown in the figure, and the air supply duct 32 is communicated to the external atmosphere environment of the protective box 1 through the fresh air opening 42. Compared with the first embodiment, after the airflow in the interaction chamber S0 in this embodiment flows into the air return duct 31, the airflow is not circulated back to the interaction chamber S0 through the air supply duct 32, but is discharged after being sterilized and purified, and meanwhile, the airflow entering the interaction chamber S0 comes from outside fresh air introduced from the fresh air inlet 42, so that the risk of cross-infection of people caused by the fact that harmful substances which are not effectively removed in the airflow return to the interaction chamber S0 again is reduced.
Further, the cross infection preventing device 100 includes two fans, one of which is a return air fan 71 disposed in the return air duct 31; return air fan 71 be located air treatment module 81 with between the air exit, its induced draft end towards air treatment module 81 and its air-out end orientation the air exit, so, carry out purification treatment after interactive room S0' S air current flows into return air duct 31, avoid the harmful substance in the air current to get into external atmospheric environment and cause the propagation of disease.
The other of the two fans is an air supply fan 72 disposed in the air supply duct 32, and the cross infection preventing apparatus 100 further includes a fresh air processing module 82 disposed between the air supply fan 72 and the air supply outlet unit 4, wherein an air suction end of the air supply fan 72 faces the fresh air outlet 42 and an air outlet end of the air supply fan faces the fresh air processing module 82. Thus, the airflow entering the air return duct 31 flows through the fresh air processing module 82 and enters the interaction chamber S0 in the form of clean airflow, so that the probability that people in the interaction chamber S0 are contacted with harmful substances is reduced; moreover, the air flow entering the air supply duct 32 from the fresh air inlet 42 firstly flows through the air supply fan 72, then passes through the fresh air processing module 82, and then enters the interaction chamber S0, so that harmful substances attached to the air supply fan 72 are prevented from blowing into the interaction chamber S0.
Here, like the air processing module 81 in the first embodiment, the air processing module 81 and the fresh air processing module 82 in this embodiment may each include any one or any combination of a dust filtering unit, a deodorizing unit, a sterilizing unit, a temperature adjusting unit, and a humidity adjusting unit, respectively. The dust filtering unit is used for removing particulate matters in the air, and a specific structure can adopt a known filtering device capable of removing the particulate matters; the odor removal unit is used for removing harmful gases in the air, and the specific structure can adopt a known device which can be used for removing particles, such as a semi-permeable membrane loaded with a getter; the sterilization unit is used for removing bacteria and viruses in the air, and specifically can adopt ozone, ultraviolet or other known sterilization devices; the temperature adjusting unit is used for adjusting the temperature of air and can be specifically set as a heater, a refrigerator and the like; the humidity adjusting unit is used for adjusting air humidity and can be specifically set into a water mist humidifier, a dryer and the like. These units can be specifically set as required, and are not described in detail.
The detailed description set forth above is only a specific description of the feasible embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A cross-infection prevention device, comprising:
a support table having a table top and a base for supporting the table top;
the protection box is provided with a right box wall arranged on the right side above the working table, a left box wall arranged on the left side above the working table and a top box wall connecting the right box wall and the left box wall, an interaction chamber is enclosed in the protection box, the front side and the rear side of the protection box are respectively provided with an entrance for personnel to enter and exit the interaction chamber, and the working table is transversely arranged below the protection box along the left-right direction so that the interaction chamber is divided into a front personnel activity area, a rear personnel activity area and a middle working table area;
the air duct comprises an air supply duct arranged in the cavity of the right box wall or the top box wall and an air return duct arranged in the cavity of the left box wall, the air supply duct is provided with an air supply outlet unit, the air supply outlet unit is arranged on the inner wall plate of the right box wall or the top box wall, one part of the air supply outlet unit corresponds to the front personnel activity area, the other part of the air supply outlet unit corresponds to the rear personnel activity area, the rest parts of the air supply outlet unit correspond to the middle worktable area, the air return duct is provided with an air return opening arranged on the inner wall plate of the left box wall, and the air return opening corresponds to the middle worktable area;
the fan is arranged in the air duct and drives the airflow in the air supply duct to enter the interaction chamber from the air supply outlet unit and then enter the air return duct through the air return inlet;
the air treatment module comprises any one or any combination of a dust filtering unit, a smell removing unit, a sterilizing unit, a temperature adjusting unit and a humidity adjusting unit, and is arranged in the air return channel, and enters the air flow of the air return channel to flow through the air treatment module.
2. The cross-infection prevention device of claim 1, wherein the top box wall connects the respective top edges of the left box wall and the right box wall and conceals the interaction chamber above;
the protective box is also provided with a front box wall and a rear box wall;
the front box wall connects the front edges of the left box wall and the right box wall, and a front personnel activity area is formed between the front edges of the left box wall and the right box wall and the front edge of the working table;
the rear box wall connects the respective rear edges of the left box wall and the right box wall, and the rear personnel activity area is formed between the rear edges of the left box wall and the right box wall and the rear edge of the working table.
3. The cross-infection prevention device of claim 2, wherein the air return duct is in communication with the air supply duct, the air flow entering the air return duct from the air return opening returns to the interaction chamber through the air supply duct, and the air treatment module is disposed between the air suction end of the fan and the air return opening.
4. The cross-infection prevention device of claim 2, wherein the air return duct has an air outlet provided at the outer wall plate of the left tank wall, and the air return duct communicates to the external atmosphere of the protection tank through the air outlet;
the air supply duct is provided with a fresh air opening, the fresh air opening is formed in the outer wall plate of the right box wall or the top box wall, and the air supply duct is communicated to the external atmospheric environment of the protective box through the fresh air opening.
5. The cross-infection prevention device of claim 4, wherein the cross-infection prevention device comprises two of the air movers;
one of the two fans is a return air fan arranged in the return air duct, the return air fan is positioned between the air treatment module and the air outlet, and the air suction end of the return air fan faces the air treatment module and the air outlet end of the return air fan faces the air outlet;
the other of the two fans is an air supply fan arranged in the air supply duct;
prevent cross infection device still includes fresh air processing module, fresh air processing module includes any or arbitrary combination of dust filter unit, removes flavor unit, sterilization unit, temperature regulation unit and humidity control unit, and it sets up air supply fan with between the supply-air outlet unit, air supply fan's the end orientation that induced drafts fresh-air outlet and its air-out end orientation fresh air processing module to make the entering the air current of air supply duct flows through fresh air processing module.
6. The cross infection prevention device according to claim 1, further comprising an outlet air adjusting mechanism installed at the blower outlet unit;
the air supply outlet unit is provided with at least five air supply outlets which are sequentially arranged at intervals in the front-back direction, the at least five air supply outlets are divided into a front edge air supply outlet, a front main air supply outlet, a parting line air supply outlet, a rear main air supply outlet and a rear edge air supply outlet which are sequentially arranged from front to back, and the positions of the parting line air supply outlets correspond to the front parting line and the rear parting line of the worktable surface;
when the air outlet adjusting mechanism is in an adjusting state, the air outlet adjusting mechanism enables all the air supply outlets to be capable of discharging air, and the respective air output volume or air speed of the front edge air supply outlet, the rear edge air supply outlet and the dividing line air supply outlet is larger than the respective air output volume or air speed of the front main air supply outlet and the rear main air supply outlet.
7. The cross-infection prevention device of claim 6, wherein the air outlet adjusting mechanism is a plurality of air door baffles arranged at the corresponding air supply outlet, and each air door baffle can move relative to the inner wall plate of the right box wall to change the opening area of the air supply outlet; when the air outlet adjusting mechanism is in the adjusting state, all the air supply outlets in the air supply outlet unit are at least partially opened, and the respective opening areas of the front edge air supply outlet, the rear edge air supply outlet and the dividing line air supply outlet are larger than the respective opening areas of the front main air supply outlet and the rear main air supply outlet;
or the air outlet adjusting mechanism is a plurality of air distribution fans which are arranged at the corresponding air supply outlets and have adjustable rotating speed, and when each air distribution fan is started, airflow can be accelerated to pass through the air supply outlet where the air distribution fan is located; when the air outlet adjusting mechanism is in an adjusting state, the air dividing fans corresponding to all the air supply outlets in the air supply outlet unit are all opened, and the rotating speeds of the air dividing fans corresponding to the front edge air supply outlet, the rear edge air supply outlet and the dividing line air supply outlet are higher than the rotating speeds of the air dividing fans corresponding to the front main air supply outlet and the rear main air supply outlet.
8. The cross infection prevention device according to claim 6, wherein the air supply duct has a plurality of air supply outlet units arranged in a row from top to bottom on the inner wall plate of the right box wall, and each air supply outlet unit is provided with the corresponding air outlet adjusting mechanism;
when the air outlet adjusting mechanism is in an energy-saving state, the air outlet adjusting mechanism enables the front edge air outlet, the rear edge air outlet and the dividing line air outlet in the corresponding air outlet unit to respectively output air, and the front main air outlet and the rear main air outlet do not output air respectively.
9. The cross-infection prevention device of claim 8, further comprising:
the height sensor is arranged on the protective box and can sense the height information of the personnel in the interaction room;
the controller is provided with a height information receiving unit connected with the height sensor, a state control unit connected with each air outlet adjusting mechanism and a control instruction generating unit for connecting the height information receiving unit and the state control unit;
and each air outlet adjusting mechanism is in the energy-saving state or the adjusting state under the control of the state control unit.
10. The cross-infection prevention device of claim 1 wherein the protective box is supported on the working table, the bottom edge of the inner wall plate of the left box wall is provided with an upwardly concave notch, and the air return opening is surrounded by the edge of the notch and the working table.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022747006.9U CN213577948U (en) | 2020-11-24 | 2020-11-24 | Cross infection prevention device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022747006.9U CN213577948U (en) | 2020-11-24 | 2020-11-24 | Cross infection prevention device |
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| CN213577948U true CN213577948U (en) | 2021-06-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114643085A (en) * | 2022-05-18 | 2022-06-21 | 苏州安泰空气技术有限公司 | Air supply arrangement for superclean bench |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114643085A (en) * | 2022-05-18 | 2022-06-21 | 苏州安泰空气技术有限公司 | Air supply arrangement for superclean bench |
| CN114643085B (en) * | 2022-05-18 | 2022-08-09 | 苏州安泰空气技术有限公司 | Air supply arrangement for superclean bench |
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