CN215765618U - Multi-air-duct positive and negative pressure device and sterilizing machine - Google Patents
Multi-air-duct positive and negative pressure device and sterilizing machine Download PDFInfo
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- CN215765618U CN215765618U CN202122400386.3U CN202122400386U CN215765618U CN 215765618 U CN215765618 U CN 215765618U CN 202122400386 U CN202122400386 U CN 202122400386U CN 215765618 U CN215765618 U CN 215765618U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The application relates to the technical field of disinfection equipment, in particular to a multi-air-duct positive and negative pressure device and a disinfection machine, wherein the multi-air-duct positive and negative pressure device comprises an air inlet cavity, an air outlet cavity and a fan; the air inlet cavity and the air outlet cavity are both closed cavities; the air outlet cavity is arranged above the air inlet cavity; at least two air channels are arranged between the air outlet cavity and the air inlet cavity; each air duct is arranged between the air inlet cavity and the air outlet cavity in parallel; each air duct is internally provided with a fan; the air inlet cavity is provided with a first air inlet and a second air inlet; the air outlet cavity is provided with a first air outlet and a second air outlet; the first air inlet, the second air inlet, the first air outlet and the second air outlet are all provided with wind shielding pieces. The technical problem that air inlet and outlet flow and air inlet and outlet speed cannot be well controlled when positive and negative pressure is switched in the prior art is effectively solved.
Description
Technical Field
The application relates to the technical field of disinfection equipment, in particular to a multi-air-channel positive and negative pressure device and a disinfection machine.
Background
At present, various devices capable of providing positive pressure and negative pressure for an isolation ward exist in the market, but the operation of the existing devices is complex when the positive pressure and the negative pressure are switched, and the air inlet and outlet volume and the air inlet and outlet speed cannot be well controlled when the positive pressure and the negative pressure are switched.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the present application is to provide a multi-duct positive and negative pressure device and a sterilization machine, which effectively solve the technical problem in the prior art that the air inlet and outlet volume and the air inlet and outlet speed cannot be well controlled when positive and negative pressure is switched.
In order to achieve the purpose, the application provides the following technical scheme:
a multi-air-duct positive and negative pressure device comprises an air inlet cavity, an air outlet cavity and a fan;
the air inlet cavity and the air outlet cavity are both closed cavities;
the air outlet cavity is arranged above the air inlet cavity;
at least two air channels are arranged between the air outlet cavity and the air inlet cavity;
each air channel is arranged between the air inlet cavity and the air outlet cavity in parallel;
a fan is arranged in each air channel;
the air inlet cavity is provided with a first air inlet and a second air inlet;
the air outlet cavity is provided with a first air outlet and a second air outlet;
the first air inlet, the second air inlet, the first air outlet and the second air outlet are all provided with wind shielding pieces.
Preferably, in the above multi-duct positive and negative pressure device, the device further comprises a driving motor;
the wind shielding piece is arranged on the air inlet cavity or the air outlet cavity in a sliding mode;
the driving motor is connected with the wind shielding part and used for driving the wind shielding part to move.
Preferably, in the above multi-duct positive and negative pressure device, the wind shielding member is provided with a rack;
and the output shaft of the driving motor is provided with a gear in transmission connection with the rack.
Preferably, in the above multi-duct positive and negative pressure device, the second air inlet and the second air outlet are externally connected with an air duct switching device.
Preferably, in the above multi-duct positive and negative pressure device, the duct adapter includes a housing and a cylinder;
the first surface of the shell is provided with a mounting opening;
the shell is connected with the second air inlet or the second air outlet through the mounting port;
the first end of the cylinder is connected with the second surface of the shell;
and the inner cavity of the cylinder body is communicated with the shell.
Preferably, in the above multi-duct positive and negative pressure device, the cross section of the cylinder is circular.
Preferably, in the multi-duct positive and negative pressure device, a pressure difference sensor for detecting the pressure difference between the inside and the outside of the room is further included.
Preferably, in the above multi-duct positive and negative pressure device, the detection end of the differential pressure sensor is disposed on the inner wall of the cylinder or the outer wall of the cylinder.
A sterilizer comprises a sterilizer body and the multi-air-channel positive and negative pressure device;
the multi-air-duct positive and negative pressure device is arranged on the sterilizing machine body.
Preferably, in the above-mentioned sterilizing machine, a filter is further included; the filter is arranged at the joint of the air inlet cavity and the air duct.
Compared with the prior art, the beneficial effects of this application are:
when the positive pressure function is started, a first air inlet, a second air inlet and a first air outlet are all opened, a second air outlet is closed, and a fan is started to enable indoor air pressure to be larger than external air pressure, so that an internal circulation positive pressure ward is formed; when the negative pressure function is started, the first air inlet, the first air outlet and the second air outlet are all opened, the second air inlet is closed, and the fan is started, so that the indoor air pressure is smaller than the external air pressure, and an internal circulation negative pressure ward is formed. Switch between opening and inclosed state respectively through second air intake and second air outlet, just can realize fast that positive negative pressure switches, and when carrying out positive negative pressure switch, owing to be provided with a plurality of wind channels, consequently the start-up quantity of accessible fan controls business turn over air output and business turn over wind speed well, so that form stable positive negative pressure environment better, realize the business turn over wind fine control of equipment, the technical problem that can't control business turn over air output and business turn over wind speed well when having the switching positive negative pressure among the prior art has been solved effectively.
The application also provides a sterilizer, which comprises a sterilizer body and the multi-air-channel positive and negative pressure device, not only can be used for quickly switching positive and negative pressure, but also can be used for effectively controlling the air inlet and outlet volume and the air inlet and outlet speed according to actual needs.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a multi-duct positive and negative pressure device along a right rear side view according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a multi-duct positive and negative pressure device along a left front side view according to an embodiment of the present application;
FIG. 3 is a cross-sectional view of a multi-duct positive and negative pressure device according to an embodiment of the present disclosure;
fig. 4 is a schematic view of an internal wind direction of a multi-duct positive and negative pressure device according to an embodiment of the present disclosure;
FIG. 5 is a front left side view of a sterilizer provided in accordance with an embodiment of the present application;
FIG. 6 is a front right side view of a sterilizer provided in accordance with an embodiment of the present application;
FIG. 7 is a schematic view of an installation of a multi-duct positive and negative pressure device and a pressure sensor of a sterilizer according to an embodiment of the present disclosure;
FIG. 8 is a schematic perspective view of a multi-duct positive and negative pressure device and a wind shield of a sterilizer according to an embodiment of the present disclosure;
FIG. 9 is a schematic view of an installation of a rack of a multi-duct positive and negative pressure device and a sterilizer according to an embodiment of the present disclosure;
FIG. 10 is a schematic view of the multi-duct positive and negative pressure device and the wind shield of the sterilizer during movement according to the embodiment of the present application.
In the figure:
the air purifier comprises an air inlet cavity 1, a first air inlet 11, a second air inlet 12, an air outlet cavity 2, a first air outlet 21, a second air outlet 22, an air duct 3, a fan 4, a wind shielding part 5, a driving motor 6, a rack 7, an air duct switching device 8, a shell 81, a cylinder 82, a sterilizer body 9, a filter 91 and a differential pressure sensor 92.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
At present, various devices capable of providing positive pressure and negative pressure for an isolation ward exist in the market, but the operation of the existing devices is complex when the positive pressure and the negative pressure are switched, and the air inlet and outlet volume and the air inlet and outlet speed cannot be well controlled when the positive pressure and the negative pressure are switched. The embodiment provides a multi-air-channel positive and negative pressure device and a sterilizing machine, and effectively solves the technical problem that the air inlet and outlet quantity and the air inlet and outlet speed cannot be well controlled when positive and negative pressure is switched in the prior art.
Referring to fig. 1-10, an embodiment of the present application provides a multi-duct positive and negative pressure device, which includes an air inlet chamber 1, an air outlet chamber 2, and a fan 4; the air inlet cavity 1 and the air outlet cavity 2 are both closed cavities; the air outlet cavity 2 is arranged above the air inlet cavity 1; at least two air channels 3 are arranged between the air outlet cavity 2 and the air inlet cavity 1; each air duct 3 is arranged between the air inlet cavity 1 and the air outlet cavity 2 in parallel; a fan 4 is arranged in each air duct 3; the air inlet cavity 1 is provided with a first air inlet 11 and a second air inlet 12; the air outlet cavity 2 is provided with a first air outlet 21 and a second air outlet 22; the first wind inlet 11, the second wind inlet 12, the first wind outlet 21 and the second wind outlet 22 are all provided with wind shields 5.
More specifically, the fans 4 are rotatably installed in the air ducts 3, and the blowing directions of the fans 4 in the air ducts 3 are the same; the double air ducts 3 are preferably selected in the embodiment, and the specific number of the air ducts 3 can be designed according to actual needs; the air ducts 3 are arranged in parallel and are independent of each other; in addition, through the arrangement of the multiple air ducts 3 and the fans 4, when part of the fans 4 are damaged, the rest fans 4 can still work normally and can be maintained for a period of time, so that workers can replace new devices and maintain old devices in time while the internal environment of the isolation ward is not changed.
When the positive pressure function is started, the first air inlet 11, the second air inlet 12 and the first air outlet 21 are all opened, the second air outlet 22 is closed, and the fan 4 is started, so that the indoor air pressure is greater than the external air pressure, and an internal circulation positive pressure ward is formed; when the negative pressure function is started, the first air inlet 11, the first air outlet 21 and the second air outlet 22 are all opened, the second air inlet 12 is closed, and the fan 4 is started, so that the indoor air pressure is smaller than the external air pressure, and an internal circulation negative pressure ward is formed. Switch between opening and inclosed state respectively through second air intake 12 and second air outlet 22, just can realize fast positive negative pressure and switch, and when carrying out positive negative pressure and switch, owing to be provided with a plurality of wind channels 3, consequently accessible fan 4's the quantity that starts controls business turn over air output and business turn over wind speed well, so that form stable positive negative pressure environment better, realize the business turn over fine control of wind of equipment, the technical problem who can't control business turn over air output and business turn over wind speed well when having the switching positive negative pressure among the prior art has been solved effectively.
Further, in the present embodiment, please refer to fig. 8-10, further comprising a driving motor 6; the wind shielding piece 5 is arranged on the air inlet cavity 1 or the air outlet cavity 2 in a sliding manner; the driving motor 6 is connected with the wind shielding member 5 and is used for driving the wind shielding member 5 to move. The driving motor 6 drives the wind shielding piece 5 to move, so that the opening or closing of the air inlet and the air outlet required by control is realized, the manual control of the wind shielding piece 5 is replaced, and the positive pressure and the negative pressure are switched more conveniently.
More specifically, the wind shielding piece 5 can be detachably arranged at the air inlet and the air outlet through a connecting plate, the connecting plate is provided with an opening, and the wind shielding piece 5 is arranged in the connecting plate in a sliding manner; when the wind shielding piece 5 shields the opening of the connecting plate, the closing of the air inlet and the air outlet without ventilation is realized; the wind shielding part 5 does not shield the opening of the connecting plate or partially shields the opening of the connecting plate completely, and the opening ventilation of the air inlet and the air outlet is realized.
Further, in the present embodiment, please refer to fig. 8-10, the wind shielding member 5 is provided with a rack 7; the output shaft of the driving motor 6 is provided with a gear which is in transmission connection with the rack 7. The output shaft through driving motor 6 drives the gear rotatory to through the design is connected in the gear and 7 meshing transmissions of rack, can turn into the rotary motion of gear the linear motion of rack 7, thereby drive 5 movements keep out the wind, and the movement distance that can control rack 7 well through the rotation number of turns of gear, also be the movement distance that the control kept out the wind 5 promptly, and then the degree of opening and shutting in control business turn over wind gap reaches the effect of meticulous control.
Further, in the present embodiment, referring to fig. 5-7, the second air inlet 12 and the second air outlet 22 are externally connected with the air duct adapter 8. The air duct switching device 8 is arranged between the equipment and a wall body or a tent, can be communicated with indoor and outdoor spaces to form air circulation, and meets the requirements of connecting and using the multi-air-duct positive and negative pressure device and the indoor and outdoor spaces.
Further, in the present embodiment, referring to fig. 5-7, the air duct adapter 8 includes a housing 81 and a cylinder 82; a first surface of the housing 81 is provided with a mounting opening; the housing 81 is connected with the second air inlet 12 or the second air outlet 22 through the mounting opening; the first end of the cylinder 82 is connected with the second surface of the shell 81; and the inner cavity of the cylinder 82 communicates with the housing 81. Can be connected with the business turn over wind gap of equipment through the installing port to utilize setting up of barrel 82 can satisfy the demand of wearing to locate wall body or tent, thereby realize installing wind channel switching device 8 between equipment and wall body or tent, the indoor outer space of UNICOM.
Further, in the present embodiment, referring to fig. 5-7, the cross section of the cylinder 82 is circular. The circular ring shape can be matched with a circular hole penetrating through a wall body or a tent, so that the requirement of communicating indoor and outdoor spaces is met.
More specifically, the specific shape of the cylinder 82 is set according to the actual perforated shape, and since the vent hole in the wall or the tent is often a circular hole, the cylinder 82 having a circular cross section is preferable in this embodiment.
Further, in the present embodiment, please refer to fig. 7, a differential pressure sensor 92 for detecting the indoor and outdoor differential pressure is further included. The differential pressure sensor 92 can detect the indoor and outdoor differential pressure values, so that the equipment can judge whether the positive and negative pressure levels in the ward meet the required standard, and the staff can control the air inlet and outlet quantity and the air inlet and outlet speed in time.
Further, in the present embodiment, please refer to fig. 7, the detecting end of the differential pressure sensor 92 is disposed on the inner wall of the cylinder 82 or the outer wall of the cylinder 82. Be equipped with the air duct in the barrel 82, can prolong differential pressure sensor 92's sense terminal effectively through the setting of air duct to differential pressure sensor 92's sense terminal can extend to barrel 82 department, makes differential pressure sensor 92 can detect the indoor outer differential pressure condition more accurately.
The embodiment further provides a disinfection machine, please refer to fig. 1-10, which includes a disinfection machine body 9 and the multi-duct positive and negative pressure device; the multi-air-duct positive and negative pressure device is arranged on the sterilizer body 9. The sterilizer not only can rapidly switch positive and negative pressure through the multi-air-channel positive and negative pressure device, but also can effectively control the air inlet and outlet volume and the air inlet and outlet speed according to actual needs.
Further, in the present embodiment, a filter 91 is further included; the filter 91 is arranged at the joint of the air inlet chamber 1 and the air duct 3. The arrangement of the filter 91 can play a role of purifying and filtering the flowing air in the sterilizer, so that the purified air is conveyed to a ward, and the requirement of starting a circulating sterilization and purification mode of the sterilizer is met.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A multi-air-duct positive and negative pressure device is characterized by comprising an air inlet cavity, an air outlet cavity and a fan;
the air inlet cavity and the air outlet cavity are both closed cavities;
the air outlet cavity is arranged above the air inlet cavity;
at least two air channels are arranged between the air outlet cavity and the air inlet cavity;
each air channel is arranged between the air inlet cavity and the air outlet cavity in parallel;
a fan is arranged in each air channel;
the air inlet cavity is provided with a first air inlet and a second air inlet;
the air outlet cavity is provided with a first air outlet and a second air outlet;
the first air inlet, the second air inlet, the first air outlet and the second air outlet are all provided with wind shielding pieces.
2. The multi-duct positive and negative pressure device according to claim 1, further comprising a driving motor;
the wind shielding piece is arranged on the air inlet cavity or the air outlet cavity in a sliding mode;
the driving motor is connected with the wind shielding part and used for driving the wind shielding part to move.
3. The device for positive and negative pressure of multiple air ducts according to claim 2, wherein the wind shielding member is provided with a rack;
and the output shaft of the driving motor is provided with a gear in transmission connection with the rack.
4. The multi-duct positive and negative pressure device according to claim 1, wherein the second air inlet and the second air outlet are externally connected with duct switching devices.
5. The device according to claim 4, wherein the duct adapter comprises a housing and a cylinder;
the first surface of the shell is provided with a mounting opening;
the shell is connected with the second air inlet or the second air outlet through the mounting port;
the first end of the cylinder is connected with the second surface of the shell;
and the inner cavity of the cylinder body is communicated with the shell.
6. The positive and negative pressure device with multiple air ducts as claimed in claim 5, wherein the cross section of the cylinder is circular.
7. The device of claim 5, further comprising a differential pressure sensor for detecting pressure difference between inside and outside of the chamber.
8. The device according to claim 7, wherein the detection end of the differential pressure sensor is disposed on the inner wall or the outer wall of the cylinder.
9. A sterilizer, comprising a sterilizer body and a multi-duct positive and negative pressure device as claimed in any one of claims 1 to 8;
the multi-air-duct positive and negative pressure device is arranged on the sterilizing machine body.
10. A sterilizer as claimed in claim 9, further comprising a filter;
the filter is arranged at the joint of the air inlet cavity and the air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122400386.3U CN215765618U (en) | 2021-09-30 | 2021-09-30 | Multi-air-duct positive and negative pressure device and sterilizing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122400386.3U CN215765618U (en) | 2021-09-30 | 2021-09-30 | Multi-air-duct positive and negative pressure device and sterilizing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215765618U true CN215765618U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122400386.3U Active CN215765618U (en) | 2021-09-30 | 2021-09-30 | Multi-air-duct positive and negative pressure device and sterilizing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215765618U (en) |
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2021
- 2021-09-30 CN CN202122400386.3U patent/CN215765618U/en active Active
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