Fireproof door and window smoke sealing performance testing device

Abstract

The utility model provides a fireproof door and window smoke sealing performance testing device which comprises a test box, a test piece installation frame and a buckling box, a fireproof door and window test piece is installed on the test piece installation frame in the test process, then the test piece installation frame is clamped between the test box and the buckling box, and the test box and the buckling box are locked through a pressing mechanism. And the test box, the test piece mounting frame and the buckling box form a sealed space. The electric heating device in the test box is used for heating air in the test box, the centrifugal fan is used for pressurizing the air in the test box to simulate hot smoke in a fire disaster, the air passing rate of the fireproof door and window is calculated by measuring the air flow at an outlet of the buckling box, and then the smoke sealing performance of the fireproof door and window is obtained. The device can accurately simulate a scene in which smoke passes through the fireproof door and window in a fire scene, and accurately measure the flow of hot smoke passing through the fireproof door and window, so as to obtain the smoke sealing performance of the fireproof door and window.

Description

Technical Field

[0001] The utility model relates to the technical field of door and window airtightness testing, in particular to a fireproof door and window smoke airtightness testing device. Background Art

[0002] Fireproof doors and windows are widely used in engineering construction in my country. The fire resistance and smoke-tightness of fireproof doors and windows seriously affect the safety of personnel life. GB 55037-2022 "General Code for Building Fire Protection" requires fireproof doors and windows that "fireproof doors and windows should have smoke-tightness after closing", while the current national standards for fireproof doors and windows GB 12955-2008 "Fireproof Doors" and GB16809-2008 "Fireproof Windows" have requirements for the fire resistance of products, but do not specify smoke-tightness. According to statistics, most deaths in fires are caused by inhalation of smoke. Therefore, it is urgent to improve the smoke-tightness of fireproof doors and windows, and thus a smoke-tightness test device for fireproof doors and windows is needed. Utility Model Content

[0003] In view of this, the utility model aims to provide a smoke tightness performance testing device for fireproof doors and windows to solve the above problems.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A smoke-tightness performance test device for fireproof doors and windows comprises a test box, a test piece installation frame and a buckle box, wherein the test piece installation frame is sandwiched between the test box and the buckle box, and the test box and the buckle box are provided with a clamping mechanism for use with each other, the front of the test box contacts with the test piece installation frame and is open, the back of the buckle box contacts with the test piece installation frame and is open, the test piece installation frame is provided with a test piece installation hole, and sealing rings are provided between the test box and the test piece installation frame, and between the buckle box and the test piece installation frame; an electric heating tube is provided in the test box, and a circulating fan for circulating the gas in the test box is provided on the test box, and the test box is also connected to the centrifugal fan through an air inlet pipe; a fireproof glass is installed on the front of the buckle box to facilitate observation of the test piece during the test, and an outlet pipe is also connected to the front of the buckle box, and an air flow meter for measuring the air flow through the test piece is installed on the outlet pipe.

[0006] Furthermore, a baffle is provided between the heating tube and the test piece, and the baffle is fixed to the rear wall of the test box through a mounting frame.

[0007] Furthermore, there are four circulation fans, two of which are arranged on the top of the test box and two on the back.

[0008] Furthermore, a clamping mechanism is arranged on the left and right sides of the test box and the buckle box, and the clamping mechanism includes a fixing rod, a locking plate and a fixing ear. The fixing rod is hinged on the side wall of the test box, and a threaded section is provided on the fixing rod. The locking plate is screwed on the threaded section. A U-shaped fixing ear is correspondingly provided on the side wall of the buckle box, and the fixing rod is clamped in the fixing ear.

[0009] Furthermore, sealing rings are attached to both the front and back sides of the specimen mounting frame.

[0010] Furthermore, a sealing ring is attached to the back edge of the buckle box.

[0011] Furthermore, a sealing ring is attached to the front edge of the test box.

[0012] Furthermore, the sealing ring is made of fire-resistant rubber.

[0013] Compared with the prior art, the smoke tightness performance testing device for fireproof doors and windows described in the utility model has the following advantages:

[0014] The smoke-tightness test device for fireproof doors and windows described in the utility model includes three parts: a test box, a test piece installation frame, and a buckle box. During the test, the fireproof door and window test piece is installed on the test piece installation frame, and then the test piece installation frame is clamped between the test box and the buckle box, and the test box and the buckle box are locked with a clamping mechanism, so that the test box, the test piece installation frame and the buckle box form a sealed space. The air in the test box is heated by an electric heating device in the test box, and the air in the test box is pressurized by a centrifugal fan to simulate the hot smoke in the fire, and the air flow rate of the fireproof doors and windows is calculated by measuring the air flow rate at the buckle box outlet, thereby obtaining the smoke-tightness performance of the fireproof doors and windows. The device can accurately simulate the scene of smoke passing through the fireproof doors and windows in the fire scene, and accurately measure the flow rate of hot smoke passing through the fireproof doors and windows, thereby obtaining the smoke-tightness performance of the fireproof doors and windows. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0016] Figure 1 It is a structural schematic diagram of the smoke tightness performance test device for fire doors and windows;

[0017] Figure 2 This is the disassembled structure diagram of the smoke tightness performance test device for fire doors and windows;

[0018] Figure 3 It is a cross-sectional view of the smoke tightness performance test device for fire doors and windows;

[0019] Figure 4 It is the structural diagram of the test box;

[0020] Figure 5 The internal structure diagram of the test chamber;

[0021] Figure 6 It is a structural diagram of the buckle box.

[0022] 1. Test chamber; 11. Mounting frame; 2. Specimen mounting frame; 21. Specimen mounting hole; 3. Buckle box; 31. Fireproof glass; 32. Outlet pipe; 33. Air flow meter; 4. Clamping mechanism; 41. Fixing rod; 42. Locking plate; 43. Fixing ear; 5. Centrifugal fan; 51. Air inlet pipe; 6. Electric heating tube; 7. Circulating fan; 8. Baffle; 9. Sealing ring. DETAILED DESCRIPTION

[0023] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0024] A smoke-tight performance test device for fireproof doors and windows comprises a test box 1, a test piece installation frame 2 and a buckle box 3, wherein the test piece installation frame 2 is sandwiched between the test box 1 and the buckle box 3, and a pressing mechanism 4 for cooperation is provided on the test box 1 and the buckle box 3, the front side of the test box 1 contacts with the test piece installation frame 2 and is openly arranged, the back side of the buckle box 3 contacts with the test piece installation frame 2 and is openly arranged, the test piece installation frame 2 is provided with a test piece installation hole 21, and a sealing mechanism 21 is provided between the test box 1 and the test piece installation frame 2, and between the buckle box 3 and the test piece installation frame 2. Sealing ring 9; electric heating tubes 6 are evenly arranged in the test box 1 to heat the air in the test box. The test box 1 is provided with a circulating fan 7 for circulating the air in the test box 1 to evenly distribute the hot air. The test box 1 is also connected to the centrifugal fan 5 through an air inlet pipe 51; a fireproof glass 31 is installed on the front of the buckle box 3 to facilitate observation of the test piece during the test. The front of the buckle box 3 is also connected to an outlet pipe 32, and an air flow meter 33 for measuring the air flow through the test piece is installed on the outlet pipe 32.

[0025] Exemplarily, a baffle 8 is further provided between the heating tube and the test piece, and the baffle 8 is fixed to the rear wall of the test box 1 through a mounting frame 11. The baffle can prevent the heat of the heating tube from directly acting on the test piece.

[0026] Exemplarily, there are four circulation fans 7 , two of which are disposed on the top of the test box 1 , and two of which are disposed on the back.

[0027] Exemplarily, the clamping mechanism 4 is arranged on the left and right sides of the test box 1 and the buckle box 3, and the clamping mechanism 4 includes a fixing rod 41, a locking disk 42 and a fixing ear 43. The fixing rod 41 is hinged on the side wall of the test box 1, and a threaded section is provided on the fixing rod 41. The locking disk is screwed on the threaded section. The side wall of the buckle box 3 is correspondingly provided with a U-shaped fixing ear 43, and the fixing rod 41 is clamped in the fixing ear 43.

[0028] When in use, the fixing rod is rotated to make the fixing hole stuck in the fixing ear, and then the locking disk is twisted to press the locking disk tightly against the fixing ear to lock the test box 1, the specimen installation frame 2 and the buckle box 3. The test box, the specimen installation frame and the buckle box form a closed space under the compression of the compression mechanism.

[0029] Exemplarily, sealing rings 9 are attached to both the front and back sides of the test piece mounting frame 2 .

[0030] As a specific example, a sealing ring 9 is attached to the back edge of the buckle box 3 .

[0031] As a specific example, a sealing ring 9 is attached to the front edge of the test box 1 .

[0032] The provision of the sealing ring can enhance the sealing type between the test chamber, the specimen mounting frame and the buckle box.

[0033] Exemplarily, the material of the sealing ring may be fire-resistant rubber.

[0034] The flow meter of the current smoke tightness performance test device is installed on the air inlet pipe between the centrifugal fan and the test box. When simulating the effect of hot smoke on fire doors and windows, it is impossible to accurately simulate the flow of hot smoke passing through the fire doors and windows. The utility model is provided with a buckle box with an air flow meter, which can accurately simulate the scene of smoke passing through fire doors and windows in a fire scene, and accurately measure the flow of hot smoke passing through fire doors and windows, thereby obtaining the smoke tightness performance of fire doors and windows.

[0035] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and 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 therefore cannot be understood as a limitation on the present invention.

[0036] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0038] In the present utility model, the terms "example", "specific example", or "some examples" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0039] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A smoke tightness test device for fireproof doors and windows, characterized by: It includes a test box, a test piece installation frame and a buckle box. The test piece installation frame is clamped between the test box and the buckle box. The test box and the buckle box are provided with a clamping mechanism for use together. The front of the test box contacts with the test piece installation frame and is open, the back of the buckle box contacts with the test piece installation frame and is open, the test piece installation frame is provided with a test piece installation hole, and sealing rings are provided between the test box and the test piece installation frame, and between the buckle box and the test piece installation frame; an electric heating tube is provided in the test box, and a circulating fan for circulating the air in the test box is provided on the test box, and the test box is also connected to the centrifugal fan through an air inlet pipe; fireproof glass is installed on the front of the buckle box, and an outlet pipe is also connected to the front of the buckle box, and an air flow meter for measuring the air flow through the test piece is installed on the outlet pipe.

2. The smoke tightness test device for fireproof doors and windows according to claim 1, characterized in that: A baffle is also provided between the heating tube and the test piece, and the baffle is fixed on the rear wall of the test box through a mounting frame.

3. The smoke tightness test device for fireproof doors and windows according to claim 1, characterized in that: There are 4 circulation fans, 2 on the top of the test chamber and 2 on the back.

4. The smoke tightness test device for fireproof doors and windows according to claim 1, characterized in that: The clamping mechanism is arranged on the left and right sides of the test box and the buckle box. The clamping mechanism includes a fixing rod, a locking plate and a fixing ear. The fixing rod is hinged on the side wall of the test box. The fixing rod is provided with a threaded section. The locking plate is screwed on the threaded section. The side wall of the buckle box is correspondingly provided with a U-shaped fixing ear, and the fixing rod is stuck in the fixing ear.

5. The smoke tightness test device for fireproof doors and windows according to claim 1, characterized in that: Sealing rings are attached to both sides of the specimen mounting frame.

6. The smoke tightness test device for fireproof doors and windows according to claim 5, characterized in that: A sealing ring is attached to the edge of the back of the buckle box.

7. The smoke tightness test device for fireproof doors and windows according to claim 6, characterized in that: A sealing ring is attached to the front edge of the test chamber.

8. The smoke tightness test device for fireproof doors and windows according to claim 1, characterized in that: The sealing ring is made of fire-resistant rubber.

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