CN216724991U - Positive and negative pressure dynamic stabilization system - Google Patents
Positive and negative pressure dynamic stabilization system Download PDFInfo
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- CN216724991U CN216724991U CN202122002037.6U CN202122002037U CN216724991U CN 216724991 U CN216724991 U CN 216724991U CN 202122002037 U CN202122002037 U CN 202122002037U CN 216724991 U CN216724991 U CN 216724991U
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- centrifugal fan
- negative pressure
- pressure centrifugal
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Abstract
The utility model discloses a positive and negative pressure dynamic stabilization system, which comprises: the device comprises a box body, a positive pressure centrifugal fan, a negative pressure centrifugal fan, an ultraviolet germicidal lamp, a filter and a touch control type operation panel; the box body is divided into an upper box body and a lower box body through a transverse partition plate with a through groove; a ventilation port is formed in the middle of the front face of the box body, and a shutter is fixedly arranged on the ventilation port; the through groove of the diaphragm plate corresponds to the air vent; an ultraviolet germicidal lamp is arranged at the through groove of the diaphragm plate, and the filters are respectively arranged in the upper box body and the lower box body between the ultraviolet germicidal lamp and the vent hole; the positive pressure centrifugal fan is fixed in the upper box body, and the negative pressure centrifugal fan is fixed in the lower box body; the touch control type operation panel and the box body are installed in a separated mode; the touch control type operation panel is provided with a disinfection lamp switch and a power switch. The utility model has simple structure and easy operation, and can be installed in a rescue carriage.
Description
Technical Field
The utility model belongs to the field of design of positive and negative pressure systems, and particularly relates to a positive and negative pressure dynamic stabilization system.
Background
At present, most of ambulances in China adopt a negative pressure system (mainly used for conveying infectious patients) or a normal pressure system. When crossing an epidemic area or a polluted area, an equipment system which can generate positive pressure in the cabin is needed, so that the positive pressure environment is kept in the cabin, and personnel in the cabin are effectively protected. Therefore, a small positive and negative pressure integrated stabilizing system is urgently needed to be researched.
Disclosure of Invention
Based on the defects of the prior art, the utility model provides a positive and negative pressure dynamic stabilization system.
The utility model is realized by the following technical scheme:
a positive and negative pressure dynamic stabilization system, comprising: the device comprises a box body, a positive pressure centrifugal fan, a negative pressure centrifugal fan, an ultraviolet germicidal lamp, a filter and a touch control type operation panel; wherein the content of the first and second substances,
the box body is of a closed cubic structure and is divided into an upper box body and a lower box body through a transverse partition plate with a through groove; a ventilation port is formed in the middle of the front face of the box body, and a shutter is fixedly arranged on the ventilation port; the through groove of the diaphragm plate corresponds to the air vent, and the diaphragm plate divides the air vent into two parts; one side of the box body, which is far away from the air vent, is provided with an air vent for air inlet of the positive pressure centrifugal fan, and the bottom of the box body is provided with an air vent for air exhaust of the negative pressure centrifugal fan; the ultraviolet germicidal lamp is installed at the through groove of the diaphragm plate, the joint of the diaphragm plate and the ultraviolet germicidal lamp is sealed, and the filters are respectively arranged in the upper box body and the lower box body between the ultraviolet germicidal lamp and the vent hole;
the positive pressure centrifugal fan is fixed in the upper box body, an air outlet of the positive pressure centrifugal fan faces one side of the shutter, and an air inlet of the positive pressure centrifugal fan deviates from one side of the shutter; the negative pressure centrifugal fan is fixed in the lower box body, an air inlet of the negative pressure centrifugal fan faces one side of the louver, and an air outlet of the negative pressure centrifugal fan faces the bottom of the box body;
the touch control type operation panel is installed with the box body in a separated mode; a disinfection lamp switch and a power switch are arranged on the touch control type operation panel; the power switch comprises a positive pressure centrifugal fan switch and a negative pressure centrifugal fan switch; the sterilizing lamp switch is electrically connected with the ultraviolet sterilizing lamp, the positive pressure centrifugal fan switch is electrically connected with the positive pressure centrifugal fan, and the negative pressure centrifugal fan switch is electrically connected with the negative pressure centrifugal fan.
Preferably, the filter is divided into three layers, and the two filter layers sandwich a second filter layer.
Preferably, the primary filter layer consists of gauze and an activated carbon filter material, and the gauze wraps the activated carbon filter material to form a filter layer with the thickness of 5-10 mm.
Preferably, the secondary filter layer consists of superfine glass fiber paper, offset paper and an aluminum film, and the aluminum film is used as a partition plate to fix the superfine glass fiber paper and the offset paper on two sides of the aluminum film.
Preferably, the system further comprises an intelligent control module, wherein the intelligent control module consists of an intelligent control circuit arranged on the touch control type operation panel and a pressure sensor arranged on the shutter.
Preferably, the ultraviolet germicidal lamp is fixed on the diaphragm plate by bolts.
Preferably, the positive pressure centrifugal fan is vertically fixed in the upper box body, and the negative pressure centrifugal fan is horizontally fixed in the lower box body.
Has the beneficial effects that: the utility model has small volume and can be arranged in a rescue carriage; the utility model has simple structure and easy operation; the intelligent control module controls the air quantity of the positive pressure centrifugal fan and the negative pressure centrifugal fan, and controls the pressure of positive pressure and negative pressure within a certain range.
Drawings
FIG. 1 is a front view of the housing of the present invention;
FIG. 2 is a diagram illustrating a connection relationship between the case and the touch panel according to the present invention;
FIG. 3 is a schematic diagram of the circuit control and gas flow of the present invention;
FIG. 4 is a schematic view of a diaphragm according to the present invention.
Detailed Description
Embodiments of the present invention will now be described with reference to the accompanying drawings. It will be appreciated by those skilled in the art that the following examples are illustrative of the utility model only and should not be taken as limiting the scope of the utility model. The specific techniques, connections, conditions, or the like, which are not specified in the examples, are performed according to the techniques, connections, conditions, or the like described in the literature in the art or according to the product specification. The materials, instruments or equipment are not indicated by manufacturers, and all the materials, instruments or equipment are conventional products which can be obtained by purchasing.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention are understood according to specific situations.
As shown in fig. 1-4, a positive and negative pressure dynamic stabilization system includes: the device comprises a box body 1, a positive pressure centrifugal fan 2, a negative pressure centrifugal fan 3, an ultraviolet germicidal lamp 4, a filter 5 and a touch control type operation panel 6; wherein the content of the first and second substances,
the box body 1 is of a closed cubic structure, and the box body 1 is divided into an upper box body and a lower box body through a diaphragm plate 9 with a through groove 12; a ventilation port 11 is arranged in the middle of the front surface of the box body 1 and is used as an exhaust port of the positive pressure centrifugal fan 2 and an air inlet of the negative pressure centrifugal fan 3, and a shutter 10 is fixedly arranged on the ventilation port 11; the through groove 12 of the diaphragm plate 9 corresponds to the vent 11, and the diaphragm plate 9 divides the vent 11 into two parts, namely, the upper part corresponds to the exhaust port of the positive pressure centrifugal fan 2 and the lower part corresponds to the air inlet of the negative pressure centrifugal fan 3; one side of the box body 1, which is far away from the air vent 11, is provided with an air vent for air intake of the positive pressure centrifugal fan 2, and the bottom of the box body 1 is provided with an air vent for air exhaust of the negative pressure centrifugal fan 3; the ultraviolet germicidal lamp 4 is installed at the through groove 12 of the diaphragm plate 9, the joint of the diaphragm plate 9 and the ultraviolet germicidal lamp 4 is sealed, the upper box body and the lower box body share one ultraviolet germicidal lamp 4, and the filter 5 is respectively arranged in the upper box body and the lower box body between the ultraviolet germicidal lamp 4 and the air vent 11;
the positive pressure centrifugal fan 2 is fixed in the upper box body, an air outlet of the positive pressure centrifugal fan faces one side of the shutter 10, and an air inlet of the positive pressure centrifugal fan deviates from one side of the shutter 10; the negative pressure centrifugal fan 3 is fixed in the lower box body, the air inlet of the negative pressure centrifugal fan faces one side of the shutter 10, and the air outlet of the negative pressure centrifugal fan faces the bottom of the box body 1; specifically, the method comprises the following steps: the positive pressure centrifugal fan 2 is vertically fixed in the upper box body, and the negative pressure centrifugal fan 3 is horizontally fixed in the lower box body;
the touch control type operation panel 6 is installed with the box body 1 in a separated mode; a disinfection lamp switch 7 and a power switch 8 are arranged on the touch control type operation panel 6; the power switch 8 comprises a positive pressure centrifugal fan switch and a negative pressure centrifugal fan switch; the sterilizing lamp switch 7 is electrically connected with the ultraviolet sterilizing lamp 4, the positive pressure centrifugal fan switch is electrically connected with the positive pressure centrifugal fan 2, and the negative pressure centrifugal fan switch is electrically connected with the negative pressure centrifugal fan 3.
In a further optimization scheme, the system also comprises an intelligent control module, wherein the intelligent control module consists of an intelligent control circuit arranged on the touch control type operation panel 6 and a pressure sensor arranged on the shutter 10; the intelligent control circuit is respectively and electrically connected with the positive pressure centrifugal fan 2, the negative pressure centrifugal fan 3, the ultraviolet germicidal lamp 4, the positive pressure air door and the negative pressure air door; when the pressure sensor detects the pressure of gas entering or discharging the box body 1, the pressure information is transmitted to the intelligent control circuit, the intelligent control circuit receiving the signal starts the corresponding centrifugal fans to work, and the rotating speeds of the two centrifugal fans are controlled through the detected pressure; when the pressure exceeds a set range, the intelligent control circuit controls the pressure by reducing the rotating speed.
In a further optimized scheme, the filter 5 is divided into three layers, and a secondary filter layer 52 is clamped between two primary filter layers 51; the primary filter layer 51 consists of gauze and an active carbon filter material, and the gauze wraps the active carbon filter material to form a filter layer with the thickness of 5-10 mm; the second-stage filter layer 52 is composed of superfine glass fiber paper, offset paper and an aluminum film, and the aluminum film is used as a partition plate to fix the superfine glass fiber paper and the offset paper on two sides of the aluminum film, so that the filtering efficiency is guaranteed.
In the device, when the positive pressure centrifugal fan is started, the pressure is maintained within a specific range, so that external toxic gas is ensured to enter the closed space after being filtered and sterilized, and the closed space is ensured not to be polluted; when the negative pressure centrifugal fan is started, the pressure is maintained within a specific range, and after the toxic gas in the closed space is filtered and sterilized, the toxic gas is discharged out of the closed space, so that the toxic gas is prevented from being diffused to the outside.
The negative pressure in the carriage can be kept to be not more than-40 Pa when the negative pressure is placed in the emergency rescue vehicle, so that air in the closed space is prevented from being discharged out of the closed space through other ways; the negative pressure in the carriage is kept to be not less than 30Pa, and air outside the closed space is prevented from entering the closed space through other ways.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any minor modifications, equivalent replacements and improvements made on the above embodiment according to the technical spirit of the present invention should be included in the protection scope of the technical solution of the present invention.
Claims (5)
1. A positive and negative pressure dynamic stabilization system, comprising: the device comprises a box body (1), a positive pressure centrifugal fan (2), a negative pressure centrifugal fan (3), an ultraviolet germicidal lamp (4), a filter (5) and a touch control type operation panel (6); wherein the content of the first and second substances,
the box body (1) is of a closed cubic structure, and the box body (1) is divided into an upper box body and a lower box body through a transverse partition plate (9) with a through groove (12); a ventilation opening (11) is formed in the middle of the front face of the box body (1), and a shutter (10) is fixedly arranged on the ventilation opening (11); the through groove (12) of the diaphragm plate (9) corresponds to the air vent (11), and the diaphragm plate (9) divides the air vent (11) into two parts; one side of the box body (1) far away from the air vent (11) is provided with an air vent for air intake of the positive pressure centrifugal fan (2), and the bottom of the box body (1) is provided with an air vent for air exhaust of the negative pressure centrifugal fan (3); the ultraviolet germicidal lamp (4) is installed at the through groove (12) of the diaphragm plate (9), the joint of the diaphragm plate (9) and the ultraviolet germicidal lamp (4) is sealed, and the filter (5) is arranged in the upper box body and the lower box body between the ultraviolet germicidal lamp (4) and the vent hole (11) respectively;
the positive pressure centrifugal fan (2) is fixed in the upper box body, an air outlet of the positive pressure centrifugal fan faces one side of the shutter (10), and an air inlet of the positive pressure centrifugal fan deviates from one side of the shutter (10); the negative pressure centrifugal fan (3) is fixed in the lower box body, an air inlet of the negative pressure centrifugal fan faces one side of the shutter (10), and an air outlet of the negative pressure centrifugal fan faces the bottom of the box body (1);
the touch control type operation panel (6) is installed with the box body (1) in a separated mode; a disinfection lamp switch (7) and a power switch (8) are arranged on the touch control type operation panel (6); the power switch (8) comprises a positive pressure centrifugal fan switch and a negative pressure centrifugal fan switch; the sterilizing lamp switch (7) is electrically connected with the ultraviolet sterilizing lamp (4), the positive pressure centrifugal fan switch is electrically connected with the positive pressure centrifugal fan (2), and the negative pressure centrifugal fan switch is electrically connected with the negative pressure centrifugal fan (3).
2. A positive and negative pressure dynamic stabilization system according to claim 1, wherein: the filter (5) is divided into three layers, and is composed of two first-stage filter layers (51) and a second-stage filter layer (52) clamped between the two first-stage filter layers.
3. A positive and negative pressure dynamic stabilization system according to claim 1, wherein: the system also comprises an intelligent control module, wherein the intelligent control module consists of an intelligent control circuit arranged on the touch control type operation panel (6) and a pressure sensor arranged on the shutter (10).
4. The positive and negative pressure dynamic stabilization system according to claim 1, wherein: the ultraviolet germicidal lamp (4) is fixed on the diaphragm plate (9) through bolts.
5. A positive and negative pressure dynamic stabilization system according to claim 1, wherein: the positive pressure centrifugal fan (2) is vertically fixed in the upper box body, and the negative pressure centrifugal fan (3) is horizontally fixed in the lower box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122002037.6U CN216724991U (en) | 2021-08-24 | 2021-08-24 | Positive and negative pressure dynamic stabilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122002037.6U CN216724991U (en) | 2021-08-24 | 2021-08-24 | Positive and negative pressure dynamic stabilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216724991U true CN216724991U (en) | 2022-06-14 |
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ID=81909152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122002037.6U Active CN216724991U (en) | 2021-08-24 | 2021-08-24 | Positive and negative pressure dynamic stabilization system |
Country Status (1)
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| CN (1) | CN216724991U (en) |
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2021
- 2021-08-24 CN CN202122002037.6U patent/CN216724991U/en active Active
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Effective date of registration: 20230801 Granted publication date: 20220614 |
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