CN217237112U - Security protection door air tightness test device - Google Patents
Security protection door air tightness test device Download PDFInfo
- Publication number
- CN217237112U CN217237112U CN202220951260.7U CN202220951260U CN217237112U CN 217237112 U CN217237112 U CN 217237112U CN 202220951260 U CN202220951260 U CN 202220951260U CN 217237112 U CN217237112 U CN 217237112U
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- China
- Prior art keywords
- air
- panel
- changing agent
- security protection
- security door
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- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 15
- 238000007689 inspection Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 241001122767 Theaceae Species 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 150000008442 polyphenolic compounds Chemical class 0.000 claims description 3
- 235000013824 polyphenols Nutrition 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims 1
- 230000006872 improvement Effects 0.000 abstract description 14
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to a check out test set field specifically discloses a security protection door gas tightness test device, including wall body, security protection door, the back shrouding that covers the security protection door back, cover the preceding shrouding of security protection door, inject pressurized gas in the space that the shrouding corresponds backward, the inboard coating of preceding shrouding has the color-changing agent. The device possesses the function of basic detection leakage, has increased preceding shrouding on this basis, and the further reasonable colour-changing agent of collocation and the pressurized gas that corresponds can detect the condition of leaking of security protection door opposite side and similar position. The device obtains more information, provides more abundant basis for subsequent appraisal, the improvement of security protection door.
Description
Technical Field
The utility model belongs to the check out test set field, in particular to security protection door air-tight test device.
Background
Although all the door bodies are processed according to the requirements of design drawings, gaps exist between the door bodies and the door frames more or less due to process differences and processing errors. The air tightness of the security door refers to the air permeability of the security door in unit opening seam length or unit area, and the security door is checked to prevent air permeability when the security door is in a closed state. Security door engineering field tests usually detect before the security door is installed. The experimental method for the gas tightness performance generally comprises a flow method and a pressure drop method, wherein gas with certain pressure is filled in a sealing chamber, and the pressure drop rate is detected after the sealing chamber is maintained for 24 hours approximately to judge whether the sealing chamber leaks gas or not.
The existing detection device can only simply judge whether the security door leaks air or not, can only judge whether the security door is good or bad, cannot judge where the security door leaks, cannot further find the processing error of the security door, and cannot reversely correct the production flow.
The above background disclosure is only provided to aid understanding of the inventive concepts and solutions of the present invention, and it does not necessarily pertain to the prior art of this patent application, and it should not be used to assess the novelty and inventive aspects of this application without explicit evidence that such contents are disclosed at the filing date of this patent application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a security protection door gas tightness test device is convenient for detect the security protection door and reveals the position.
In order to realize the above-mentioned purpose, the utility model provides a security protection door gas tightness test device with wall connection and cover the security protection door, including the back shrouding, the back shrouding includes that a size is greater than the first panel of security protection door and centers on first panel four first baffles all around, four first baffle is used for connecting one side of wall body, be provided with air inlet, gas vent, inspection opening and the three valve that corresponds on the first panel. The device still includes preceding shrouding, preceding shrouding includes that a size is greater than the second panel of security protection door and centers on four second baffles around the second panel, four the second baffle is used for connecting the opposite side of wall body, back shrouding with the front shrouding wraps up the front and back both sides of security protection door. The device still includes loading system, air exhaust mechanism and first baroceptor, loading system air exhaust mechanism with first baroceptor is connected respectively the air inlet the gas vent with the inspection socket, the inboard of preceding shrouding is provided with the color-changing agent, loading system carries and can triggers the pressurized gas of color-changing agent.
When in use, as shown in fig. 2, after the right side of the security door is pressurized, the corresponding valve is closed. If security protection door exists the gap and reveals, the first baroceptor numerical value on right side descends, simultaneously because gaseous boring into the space on left side, the color-changing agent that is closest to the gap position can be the first to contact gaseous at first naturally, absorbs gaseous and discolours. The tester takes off after test time the preceding shrouding, through observing its colour depth condition, area size condition alright with the edge of judging where of security protection door reveals. If the same security door is leaked at one position, the serious processing error can be further explained.
As an improvement of the scheme, the device further comprises a controller and a display screen, wherein the controller is connected with the first air pressure sensor to obtain the air pressure value. By adopting the scheme, the display screen displays the numerical value of the first air pressure sensor in real time, so that the observation is more convenient. In actual use, a change interval is set for the first air pressure sensor, and when the first air pressure sensor descends quickly, the controller sends a reminding message to a tester, so that the design is more intelligent.
As an improvement of the scheme, the color-changing agent is Na 2 O 2 The pressurized gas is CO 2 (ii) a Or the color-changing agent is Fe (OH) 2 The pressurized gas is O 2 (ii) a Or the powder color-changing agent is tea polyphenol, and the pressurized gas is O 2 . In order to avoid the color-changing agent from being affected by air, it is suggested to dispose the color-changing agent before the test and to apply it on the inner side of the front closure plate. Even if the discoloration is long compared to the time of up to 24 hours for the hermetic seal testThe agent is exposed to air for several minutes, and the judgment is not influenced by the extremely minute error.
As an improvement of the above scheme, the second panel and the four second baffles are made of acrylic plates made of transparent materials. By adopting the scheme, the front sealing plate can be conveniently and generally observed for the color change condition without being detached by a tester.
As an improvement of the scheme, the pressurizing mechanism and the air extracting mechanism are both air pumps.
As an improvement of the above scheme, a second air pressure sensor is arranged on the second panel and used for feeding back air pressure changes, and the controller is connected with the second air pressure sensor.
As an improvement of the scheme, sealing gaskets are arranged between the first baffle plates and the wall surface and between the second baffle plates and the wall surface. Screw holes are reserved in the bending positions of the wall surface and the first baffle, and the first baffle and the second baffle are fixed on the wall surface through a plurality of studs uniformly arranged.
Compared with the prior art, the utility model discloses following beneficial effect has: the device possesses the function of basic detection leakage, has increased preceding shrouding on this basis, and the further reasonable colour-changing agent of collocation and the pressurized gas that corresponds can detect the condition of leaking of security protection door opposite side and similar position. The device obtains more information, provides more abundant basis for subsequent appraisal, the improvement of security protection door.
Drawings
FIG. 1 is a perspective view of an exemplary experimental set-up;
FIG. 2 is a cross-sectional view of a test apparatus according to an embodiment.
Description of the main reference numerals: 11. a security door; 12. a wall body; 21. a front closing plate; 22. a rear closing plate; 31. an air inlet; 32. an exhaust port; 33. and (6) inspecting the opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "top surface", "bottom surface", "inside", "outside", "inner side", "outer side", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. The terms "first", "second" and "third", if any, are used for descriptive purposes only and for distinguishing between technical features and are not to be construed as indicating or implying relative importance or implying a number of indicated technical features or a precedence of indicated technical features.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.
Referring to fig. 1 and 2, the utility model discloses a 11 air tightness test device of security protection door is connected and cover security protection door 11 with wall body 12, including back shrouding 22, back shrouding 22 includes that a size is greater than security protection door 11 first panel and centers on first panel four first baffles all around, four first baffle is used for connecting one side of wall body 12, be provided with air inlet 31, gas vent 32, inspection opening 33 on the first panel and the three valve that corresponds. The device further comprises a front sealing plate 21, wherein the front sealing plate 21 comprises a second panel with the size larger than that of the security door 11 and four second baffles surrounding the second panel, the four second baffles are used for connecting the other side of the wall body 12, and the front side and the rear side of the security door 11 are wrapped by the rear sealing plate 22 and the front sealing plate 21. The device still includes loading system, air exhaust mechanism and first air pressure sensor, loading system air exhaust mechanism with first air pressure sensor connects respectively the air inlet 31 the gas vent 32 with inspection opening 33, the inboard of preceding shrouding 21 is provided with the color-changing agent, loading system carries and triggers the pressurized gas of color-changing agent.
In use, as shown in fig. 2, after the right side of the security door 11 is pressurized, the corresponding valve is closed. If the security door 11 has a gap and leaks, the value of the first pressure sensor on the right side is reduced, and meanwhile, as the gas is drilled into the space on the left side, the color-changing agent closest to the gap naturally contacts with the gas firstly, so that the gas is absorbed and changes color. The tester takes off after test time the preceding shrouding 21, through observing its colour depth condition, area size condition alright with judging where edge of security protection door 11 reveals. If the same security door 11 is leaked at one position, the serious processing error can be further explained.
As an improvement of the scheme, the device further comprises a controller and a display screen, wherein the controller is connected with the first air pressure sensor to obtain the air pressure value. By adopting the scheme, the display screen displays the numerical value of the first air pressure sensor in real time, so that the observation is more convenient. In actual use, a change interval is set for the first air pressure sensor, and when the first air pressure sensor descends quickly, the controller sends a reminding message to a tester, so that the design is more intelligent.
As an improvement of the scheme, the color-changing agent is Na 2 O 2 The pressurized gas is CO 2 (ii) a Or the color-changing agent is Fe (OH) 2 The pressurized gas is O 2 (ii) a Or the powder color-changing agent is tea polyphenol, and the pressurized gas is O 2 . In order to avoid the color-changing agent from being affected by air, it is recommended to dispose the color-changing agent before the test and apply it to the inside of the front closure plate 21. This extremely small amount of error does not affect the judgment even if the discoloring agent is exposed to air for several minutes, as compared with the airtightness test for as long as 24 hours.
As an improvement of the above scheme, the second panel and the four second baffles are made of acrylic plates made of transparent materials. By adopting the scheme, the color change condition can be observed approximately without disassembling the front sealing plate 21 by a tester.
As an improvement of the scheme, the pressurizing mechanism and the air extracting mechanism are both air pumps.
As an improvement of the above scheme, a second air pressure sensor is arranged on the second panel and used for feeding back air pressure changes, and the controller is connected with the second air pressure sensor.
As an improvement of the scheme, sealing gaskets are arranged between the first baffle plates and the wall surface and between the second baffle plates and the wall surface. Screw holes are reserved in the bending positions of the wall surface and the first baffle, and the first baffle and the second baffle are fixed on the wall surface through a plurality of studs uniformly arranged.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a security protection door air-tight test device, with wall connection and cover the security protection door, its characterized in that includes:
the security door comprises a first panel and four first baffles, wherein the first panel is larger than the security door in size, the four first baffles surround the first panel, the four first baffles are used for being connected with one side of a wall, and the first panel is provided with an air inlet, an air outlet, an inspection opening and three corresponding valves;
the front sealing plate comprises a second panel with the size larger than that of the security door and four second baffles surrounding the second panel, the four second baffles are used for connecting the other side of the wall body, and the front and rear sides of the security door are wrapped by the rear sealing plate and the front sealing plate;
the utility model provides a colour-changing agent, including the air inlet, the gas vent, the inboard of preceding shrouding is provided with the colour-changing agent, and the pressurizing mechanism carries and can trigger the pressurized gas of colour-changing agent, air exhaust mechanism and first air pressure sensor, the pressurizing mechanism air exhaust mechanism with first air pressure sensor connects respectively the air inlet the gas vent with the inspection opening, the inboard of preceding shrouding is provided with the colour-changing agent, the pressurizing mechanism carries and can triggers the pressurized gas of colour-changing agent.
2. The security door air-tightness test device according to claim 1, characterized in that: the device also comprises a controller and a display screen, wherein the controller is connected with the first air pressure sensor to obtain the air pressure value.
3. The security door air-tightness test device according to claim 2, characterized in that: the color-changing agent is Na 2 O 2 The pressurized gas is CO 2 (ii) a Or the color-changing agent is Fe (OH) 2 The pressurized gas is O 2 (ii) a Or the powder color-changing agent is tea polyphenol, and the pressurized gas is O 2 。
4. The security door air-tightness test device according to claim 3, characterized in that: the second panel and four second baffles all adopt acrylic plates made of transparent materials.
5. The security door air-tightness test device according to claim 4, characterized in that: the pressurizing mechanism and the air pumping mechanism are both air pumps.
6. The security door air-tightness test device according to claim 5, characterized in that: and a second air pressure sensor is arranged on the second panel and used for feeding back air pressure change, and the controller is connected with the second air pressure sensor.
7. The security door air-tightness test device according to claim 1, characterized in that: and sealing gaskets are arranged between the first baffle and the wall surface and between the second baffle and the wall surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220951260.7U CN217237112U (en) | 2022-04-22 | 2022-04-22 | Security protection door air tightness test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220951260.7U CN217237112U (en) | 2022-04-22 | 2022-04-22 | Security protection door air tightness test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217237112U true CN217237112U (en) | 2022-08-19 |
Family
ID=82820976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220951260.7U Expired - Fee Related CN217237112U (en) | 2022-04-22 | 2022-04-22 | Security protection door air tightness test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217237112U (en) |
-
2022
- 2022-04-22 CN CN202220951260.7U patent/CN217237112U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |