CN209991213U - Automatic air-compensating type airtight door - Google Patents
Automatic air-compensating type airtight door Download PDFInfo
- Publication number
- CN209991213U CN209991213U CN201920551514.4U CN201920551514U CN209991213U CN 209991213 U CN209991213 U CN 209991213U CN 201920551514 U CN201920551514 U CN 201920551514U CN 209991213 U CN209991213 U CN 209991213U
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- door
- air
- inflation
- sealing strip
- controller
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model discloses an automatic air supplement formula air-tight door, including setting up the door leaf outlying door sealing strip at air-tight door, still include air supply, inflation valve and bleed valve, the gas outlet of air supply is connected with the gas circuit passageway one end in the inflation valve, and the gas circuit passageway other end in the inflation valve is connected with the inflation and deflation port of door sealing strip, and gas circuit passageway one end in the bleed valve is connected with the inflation and deflation port of door sealing strip, and the inflation and deflation port of door sealing strip still is provided with second pressure detection module, and the gas outlet of air supply is provided with first pressure detection module. The utility model can monitor the pressure of the door sealing strip on line in real time; the utility model can monitor the pressure of the air source on line in real time, and ensure the air supply safety of the airtight door; simple use and convenient operation.
Description
Technical Field
The utility model belongs to the sealing device field, concretely relates to automatic air supplement formula air tight door is applied to life science, physics and chemistry and biological safety laboratory to and medical treatment operating room and bio-pharmaceuticals workshop etc. have the house and the facility equipment of strict airtight requirement.
Background
The airtight door is a metal door which has higher tightness requirement and can be controlled to open and close in an interlocking way. The airtight door comprises a door frame, a door leaf, an inflatable sealing rubber strip, an inflatable air path, an deflating air path, a door lock and the like, and realizes the functions of inflating the sealing strip when the door is closed, releasing air when the door is opened and realizing the function of an electromagnetic door lock when the door is closed. The common airtight door is sealed and locked by the electromagnetic attraction of the door electromagnetic lock and the expansion of the door sealing strip. The sealing strip of the back door closed by the airtight door is inflated and expanded to be in a closed state for a long time, the air path can slowly release air in actual use, the pressure in the sealing strip of the door is insufficient, the expansion sealing performance is reduced, and the adjacent rooms are communicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic tonifying qi formula air tight door to the above-mentioned problem that prior art exists. The gas pressure in the door sealing strip is monitored in real time on line, and when the pressure in the sealing strip is too low, the gas supplementing work is automatically completed, so that the pressure of the door sealing strip is always kept above a set value, the airtight door is ensured to be always in an expansion tight sealing state, and the problem of natural reduction of the airtightness of the airtight door is solved.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the automatic air-supplementing type airtight door comprises a door sealing strip arranged on the periphery of a door leaf of the airtight door, and further comprises an air source, an inflation valve and a deflation valve, wherein an air outlet of the air source is connected with one end of an air channel in the inflation valve, the other end of the air channel in the inflation valve is connected with an inflation and deflation port of the door sealing strip, one end of the air channel in the deflation valve is connected with the inflation and deflation port of the door sealing strip, a second pressure detection module is further arranged at the inflation and deflation port of the door sealing strip, a first pressure detection module is arranged at an air outlet of the air source, the control end of the inflation valve and the control end of the deflation valve are equally divided and are respectively connected with a controller, the controller is further connected with a coil module.
The controller as described above is also connected to the door opening button and the door closing button, respectively.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model can monitor the pressure of the door sealing strip on line in real time;
2. the utility model can monitor the pressure of the air source on line in real time, and ensure the air supply safety of the airtight door;
3. simple use and convenient operation.
Drawings
Fig. 1 is an electrical schematic diagram of the present invention.
In the figure: 1-gas source; 2-an inflation valve; 3-air release valve; 4-door seal strip; 5-door opening button; 6-door closing button; 7-a controller; 8-gas supply monitoring module; 9-a pressure monitoring module; 10-indicator light.
Detailed Description
To facilitate understanding and practice of the invention by those of ordinary skill in the art, the following detailed description of the invention is provided in connection with the examples, and it is to be understood that the examples described herein are for purposes of illustration and explanation only and are not intended to limit the invention.
Example 1:
the automatic air-supplementing type airtight door comprises a door sealing strip 4 arranged on the periphery of a door leaf of the airtight door, and further comprises an air source 1, an inflation valve 2 and a deflation valve 3, wherein an air outlet of the air source 1 is connected with one end of an air channel in the inflation valve 2, the other end of the air channel in the inflation valve 2 is connected with an inflation and deflation port of the door sealing strip 4, one end of the air channel in the deflation valve 3 is connected with the inflation and deflation port of the door sealing strip 4, a second pressure detection module 9 is further arranged at the inflation and deflation port of the door sealing strip 4, a first pressure detection module 8 is arranged at an air outlet of the air source 1, a control end of the inflation valve 2 and a control end of the deflation valve 3 are respectively connected with a controller 7, the controller 7 is further connected with a coil module of an electromagnetic lock arranged on a door.
The inflation valve 2 and the deflation valve 3 are controlled by the controller 7 to open and close the internal gas path channel, the inflation valve 2 is controlled by the controller 7 to open the internal gas path channel, and when the deflation valve 3 is controlled by the controller 7 to close the internal gas path channel, the gas source 1 inflates the door sealing strip 4 through the gas path channel in the inflation valve 2; the inflation valve 2 is controlled by the controller 7 to close the internal air passage, and when the deflation valve 3 is controlled by the controller 7 to open the internal air passage, the door sealing strip 4 releases air outwards through the air passage in the deflation valve 3.
The first pressure detection module 8 detects the air supply pressure of the air outlet of the air source 1, and the second pressure detection module 9 detects the pressure in the door sealing strip 4.
As a preferred scheme, the controller 7 is also connected with the door opening button 5 and the door closing button 6 respectively, the door opening button 5 sends a door opening signal to the controller 7 when pressed, after the controller 7 receives the door opening signal, the controller 7 controls the gas path channel in the inflation valve 2 to be closed, the controller 7 controls the gas path channel in the deflation valve 3 to be opened, and the door sealing strip 4 is deflated outwards through the gas path channel in the deflation valve 3; when the door closing button 6 is pressed down, a door closing signal is sent to the controller 7, after the controller 7 receives the door closing signal, the controller 7 controls the gas path channel in the inflation valve 2 to be opened, the controller 7 controls the gas path channel in the deflation valve 3 to be closed, and the gas source 1 inflates the door sealing strip 4 through the gas path channel in the inflation valve 2.
The above-described functions of the controller 7 may be realized by a multi-valve controller.
Example 2:
the airtight door control method using the automatic air supplement type airtight door described in embodiment 1 includes the steps of:
a door opening step:
step 1.1, pressing a door opening button 5, and sending a door opening signal to a controller 7 by the door opening button 5;
step 1.2, after receiving the door opening signal, the controller 7 detects the air supply pressure of the air outlet of the air source 1 through the first pressure detection module 8 to obtain an air supply pressure signal, and the first pressure detection module 8 sends the air supply pressure signal to the controller 7;
step 1.3, the controller 7 judges the air supply pressure signal and the set air supply pressure threshold value,
if the air supply pressure signal is greater than or equal to the set air supply pressure threshold value, the normal air supply is reflected, the controller 7 controls the air path channel in the inflation valve 2 to be closed, the controller 7 controls the air path channel in the deflation valve 3 to be opened, the air in the door sealing strip 4 is released outwards through the air path channel in the deflation valve 3, after the air release is set for time, the controller 7 controls the air path channel in the deflation valve 3 to be closed, the controller 7 controls the coil module of the electromagnetic lock to be powered off, the controller 7 controls the indicator lamp 10 to be in the door opening state (green), and the airtight door is manually opened;
if the air supply pressure signal is smaller than the set air supply pressure threshold value, the abnormal air supply is reflected, the controller 7 controls the air path channel in the inflation valve 2 to be closed, the controller 7 controls the air path channel in the deflation valve 3 to be closed, and the controller 7 controls the indicator lamp 10 to be in a fault state (yellow).
A door closing step:
step 2.1, manually closing the door leaf of the airtight door, outputting a contact signal to the controller 7 by the proximity switch, outputting a locking signal to the controller by the electromagnetic lock, forming a door closing signal by the contact signal and the locking signal,
2.2, after the controller 7 receives a door closing signal, the controller 7 controls an air path channel in the inflation valve 2 to be opened, the controller 7 controls an air path channel in the deflation valve 3 to be closed, the air source 1 inflates air to the door sealing strip 4 through the air path channel in the inflation valve 2, after the set time of inflation, the controller 7 controls the air path channel in the inflation valve 2 to be disconnected, the controller 7 records the time of inflation ending, and the controller 7 controls the indicator light 10 to be in a door closing state (red);
step 2.3, monitoring the pressure of the sealing strip in the door sealing strip 4 in real time through a second pressure detection module 9 to obtain a sealing strip pressure signal, and transmitting the sealing strip pressure signal to a controller 7 through the second pressure detection module 9;
step 2.4, the controller 7 compares the sealing strip pressure signal with a set sealing pressure threshold value:
step 2.5, if the sealing strip pressure signal is greater than or equal to the set sealing pressure threshold value, returning to the step 2.4;
if the sealing strip pressure signal is smaller than the set sealing pressure threshold value, calculating the difference value between the current time and the latest inflation ending time to obtain the inflation interval time,
if the inflation interval time is greater than or equal to the set interval threshold, it is indicated that the door sealing strip 4 is not damaged, the controller 7 controls the gas path channel in the inflation valve 2 to be opened, the controller 7 controls the gas path channel in the deflation valve 3 to be closed, the gas source 1 inflates the door sealing strip 4 through the gas path channel in the inflation valve 2, after the inflation setting time, the controller 7 controls the gas path channel in the inflation valve 2 to be disconnected, the controller 7 records the inflation ending time, and the controller 7 controls the indicator light 10 to be in a door closing state (red);
if the inflation interval time is less than the set interval threshold, it indicates that the door seal strip 4 is damaged, the controller 7 controls the gas path channel in the inflation valve 2 to be opened-closed in a circulating manner, namely, the gas path channel is closed after being opened for the set time and then opened after the set time, the gas path channel in the deflation valve 3 is controlled to be closed by the controller 7 in a reciprocating circulating manner, and the indicator light 10 is controlled to be in a fault state (white) by the controller 7.
In the embodiment, during the circulation opening-closing of the gas path channel in the inflation valve 2, the opening time is 15-20 s, and the closing time is 2-3 s.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (2)
1. The automatic air-supplementing type airtight door comprises a door sealing strip (4) arranged on the periphery of a door leaf of the airtight door, and is characterized by further comprising an air source (1), an inflation valve (2) and a deflation valve (3), wherein an air outlet of the air source (1) is connected with one end of an air channel in the inflation valve (2), the other end of the air channel in the inflation valve (2) is connected with an inflation and deflation port of the door sealing strip (4), one end of the air channel in the deflation valve (3) is connected with the inflation and deflation port of the door sealing strip (4), a second pressure detection module (9) is further arranged at the inflation and deflation port of the door sealing strip (4), a first pressure detection module (8) is arranged at the air outlet of the air source (1), a control end of the inflation valve (2) and a control end of the deflation valve (3) are respectively connected with a controller (7), and the controller (7) is further connected with a, the controller (7) is also connected with a proximity switch arranged on the door frame.
2. The self-inflating airtight door according to claim 1, wherein said controller (7) is further connected to a door opening button (5) and a door closing button (6), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920551514.4U CN209991213U (en) | 2019-04-22 | 2019-04-22 | Automatic air-compensating type airtight door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920551514.4U CN209991213U (en) | 2019-04-22 | 2019-04-22 | Automatic air-compensating type airtight door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209991213U true CN209991213U (en) | 2020-01-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920551514.4U Withdrawn - After Issue CN209991213U (en) | 2019-04-22 | 2019-04-22 | Automatic air-compensating type airtight door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209991213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005949A (en) * | 2019-04-22 | 2019-07-12 | 中国科学院武汉病毒研究所 | Automatic air-compensating type air gas-tight door and airtight door control method |
-
2019
- 2019-04-22 CN CN201920551514.4U patent/CN209991213U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005949A (en) * | 2019-04-22 | 2019-07-12 | 中国科学院武汉病毒研究所 | Automatic air-compensating type air gas-tight door and airtight door control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200124 Effective date of abandoning: 20220926 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200124 Effective date of abandoning: 20220926 |