A test platform for a perfluorohexanone fire extinguishing device

Abstract

This utility model relates to a perfluorohexanone fire extinguishing device test platform applied in the field of materials testing technology. It includes a workbench with a cross-shaped receiving groove carved into its upper end. A positioning plate is fixedly connected to the middle of the receiving groove, and adjusting seats are fixedly connected to all four ends of the positioning plate. Adjusting plates are rotatably connected to the adjusting seats. Four adjusting holes are carved into the inner bottom wall of the receiving groove. Four support legs are fixedly connected to the lower end of the workbench, and cylinders are rotatably connected to the support legs. The end of the cylinder furthest from the support leg passes through one of the adjusting holes and is rotatably connected to one of the adjusting plates. A fireproof pad is fixedly connected to the upper ends of the positioning plate and the multiple adjusting plates. Through the coordinated operation of the hinged adjusting plates and the lifting sealing cover, the test space can be flexibly switched between closed, semi-closed, and fully open states, enabling the fire extinguishing test to simulate more diverse actual fire scenarios, thereby effectively improving the test results and obtaining more comprehensive test results.

Description

Technical Field

[0001] This utility model relates to a test platform, and in particular to a perfluorohexanone fire extinguishing device test platform applied in the field of materials testing technology. Background Technology

[0002] Perfluorohexanone is a widely recognized and used clean gas extinguishing agent designed to replace traditional halon extinguishing agents because it has zero ozone depletion potential, low atmospheric lifetime and greenhouse effect potential, and is more environmentally friendly. It is suitable for protecting precision electronic equipment, data centers, communication facilities, control rooms, museums, archives and other places where fire extinguishing requires no residue, no conductivity and no damage to equipment.

[0003] When conducting fire extinguishing experiments, a combustion platform is usually set up inside the test chamber to simulate a fire scenario. For example, Chinese Patent Publication No. CN213957209U discloses a test device for evaluating the fire extinguishing performance of perfluorohexanone. The beneficial effects of this utility model are that it can safely and effectively test the fire extinguishing performance of perfluorohexanone, ensure accurate test results, and is easy to operate.

[0004] Existing test equipment uses a fully enclosed test chamber for fire extinguishing tests. However, actual fires may occur in different scenarios such as closed, semi-closed, or fully open environments. This single closed test platform cannot accurately simulate diverse real fire environments, which limits the representativeness and applicability of the test results. Utility Model Content

[0005] The technical problem that this utility model aims to solve in view of the above-mentioned prior art is that most existing test platforms are closed platforms, while actual fires may occur in different scenarios such as closed, semi-closed or fully open. Test platforms in a single state are difficult to simulate diverse real fire environments.

[0006] To address the aforementioned problems, this utility model provides a perfluorohexanone fire extinguishing device test platform, comprising a workbench. The workbench is characterized by: a cross-shaped receiving groove carved at its upper end; a positioning plate fixedly connected to the center of the receiving groove; adjusting seats fixedly connected to all four ends of the positioning plate; adjusting plates rotatably connected within the adjusting seats; four adjusting holes carved into the inner bottom wall of the receiving groove; and four support legs fixedly connected to the lower end of the workbench. Cylinders are rotatably connected to the support legs, with the telescopic end of the cylinder passing through one of the adjusting holes and engaging with it. An adjusting plate is rotatably connected, and a fireproof pad is fixedly connected to the upper end of a positioning plate and multiple adjusting plates. An observation window is fixedly embedded on the adjusting plate and the fireproof pad. The observation window is made of transparent fireproof material. A combustion unit is fixedly connected to the upper middle part of the fireproof pad. A sealing cover is provided above the workbench. Lifting ropes are fixedly connected to the four corners of the upper end of the sealing cover. A material conveying pipe is fixedly connected to the upper middle part of the sealing cover. The lower end of the material conveying pipe is fixedly connected through the sealing cover and a bend is fixedly connected. A spray pipe is fixedly connected to the end of the bend away from the material conveying pipe.

[0007] In the aforementioned perfluorohexanone fire extinguishing device test platform, the coordinated operation of the hinged adjustment plate and the lifting sealing cover enables flexible switching between closed, semi-closed, and fully open states of the test space. This allows the fire extinguishing test to simulate more diverse actual fire scenarios, thereby effectively improving the test results and obtaining more comprehensive test results.

[0008] As a further supplement to this application, the fireproof mat has a cross-shaped cross section and is made of elastic material, while the bend is a rigid tube.

[0009] As a further supplement to this application, a detection component is provided in front of the workbench, and both the detection component and the cylinder are connected to the PLC signal.

[0010] As a further supplement to this application, a winding machine is fixedly connected to the upper end of the sealing cover, an adjusting rope is wound on the winding machine, an insertion hole is drilled on the sealing cover, and the end of the adjusting rope away from the winding machine moves through the insertion hole and is fixedly connected to the nozzle.

[0011] As a further addition to this application, the bend is a flexible hose, and multiple nozzles are installed on the nozzle.

[0012] As a further supplement to this application, the adjusting rope is made of fire-resistant material and its diameter is smaller than the inner diameter of the socket.

[0013] In summary, in practical applications, the extension and retraction of the cylinder pushes the adjusting plates to rotate, thereby adjusting the angles of the four adjusting plates. When all four adjusting plates rotate 90 degrees simultaneously, the lifting rope extends, causing the sealing cover to move down and seal the four adjusting plates, thus forming a closed space on the test platform. When multiple adjusting plates rotate less than 90 degrees, or when two of the adjusting plates rotate 90 degrees, the test platform forms a semi-closed space. When all four adjusting plates are located within the receiving slot, the test platform is in a fully open state. This allows for flexible switching between closed, semi-closed, and fully open states of the test space, enabling fire extinguishing tests to simulate more diverse real-world fire scenarios, thereby effectively improving test results and obtaining more comprehensive test findings. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the first embodiment of this application;

[0015] Figure 2 This is a schematic diagram of the workbench structure according to the first embodiment of this application;

[0016] Figure 3 This is a bottom view of the adjustment plate structure according to the first embodiment of this application;

[0017] Figure 4 This is a schematic diagram of the nozzle structure according to the first embodiment of this application;

[0018] Figure 5 This is a schematic diagram of the semi-enclosed state of the test bench according to the first embodiment of this application;

[0019] Figure 6 This is a schematic diagram of the semi-enclosed state of the test bench according to the first embodiment of this application;

[0020] Figure 7 This is a schematic diagram of the sealing cap structure according to the second embodiment of this application;

[0021] Figure 8 This is a schematic diagram of the adjusting rope structure according to the second embodiment of this application.

[0022] Explanation of the labels in the diagram:

[0023] 1-Workbench, 2-Accommodation slot, 3-Positioning plate, 4-Adjusting seat, 5-Adjusting plate, 6-Adjusting hole, 7-Support leg, 8-Cylinder, 9-Sealing cover, 10-Lifting rope, 11-Feeding pipe, 12-Bend pipe, 13-Spray pipe, 14-Winding machine, 15-Adjusting rope, 16-Insertion hole, 17-Fireproof pad, 18-Combustion unit, 19-Observation window. Detailed Implementation

[0024] The two embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0025] First implementation method:

[0026] Figures 1-3 The following is shown: A test platform for a perfluorohexanone fire extinguishing device, including a workbench 1. A cross-shaped receiving groove 2 is carved at the upper end of the workbench 1, which can accommodate the retraction and extension of four adjusting plates 5. A positioning plate 3 is fixedly connected to the middle of the receiving groove 2, serving as the rotation axis reference for the adjusting plates 5. Adjusting seats 4 are fixedly connected to all four ends of the positioning plate 3, and adjusting plates 5 are rotatably connected within the adjusting seats 4, which are hinged to the adjusting plates 5. Four adjusting holes 6 are carved into the inner bottom wall of the receiving groove 2. Four support legs 7 are fixedly connected to the lower end of the workbench 1, and cylinders 8 are rotatably connected to the support legs 7. Those skilled in the art can select a suitable model of cylinder 8 according to actual needs, such as SCD50x100-100-LB. The telescopic end of the cylinder 8... The cylinder 8 passes through one of the adjustment holes 6 and is rotatably connected to one of the adjustment plates 5. The cylinder 8 is hinged to the support leg 7. The cylinder 8 can push the adjustment plate 5 to rotate by extending and retracting. The adjustment hole 6 provides an active channel for the extension and retraction of the cylinder 8. The four cylinders 8 are independently controlled, which can construct an asymmetrical semi-enclosed space. The upper ends of the positioning plate 3 and multiple adjustment plates 5 are fixedly connected to a fireproof pad 17. The fireproof pad 17 has a cross-shaped cross section and is made of elastic material, such as a flexible material made of glass fiber or ceramic fiber, which can adapt to the high temperature environment during the test. The fireproof pad 17 can effectively fill the gap between the adjustment plates 5 and adapt to the angle change. The upper middle part of the fireproof pad 17 is fixedly connected to a combustion unit 18, which is located on the upper side of the positioning plate 3.

[0027] The combustion unit 18 includes a high-voltage ignition controller mounted on the workbench 1 and an ignition basin containing fuel, mounted on the upper middle part of the fireproof pad 17. The ignition basin contains a high-voltage ignition rod and a thermocouple. The high-voltage ignition controller is activated by a PLC. After the high-voltage ignition controller is powered on, it can release high-voltage electricity. The released high-voltage electricity can ignite the fuel inside the ignition basin through the electric arc generated by the high-voltage ignition rod. After the fuel is ignited, the thermocouple will detect the temperature rise and generate a signal. This temperature data is received by the temperature data acquisition device and sent to the PLC. The host computer completes the acquisition and storage of temperature data and extinguishes the fire after confirming that the fire source has been ignited. This is existing technology and will not be described in detail here. The high-voltage ignition controller, high-voltage ignition rod, thermocouple, temperature data acquisition device, PLC and host computer are not shown in the figure.

[0028] A detection component is located in front of the workbench 1. An observation window 19 is fixedly embedded on the adjustment plate 5 and the fireproof pad 17. The observation window 19 is made of transparent fireproof material, such as multi-layer composite fireproof glass. The detection component and the cylinder 8 are both connected to the PLC signal. The detection component includes an image acquisition module to facilitate the evaluation of fire extinguishing information by the operator based on the flame information. The image acquisition module can be configured as a device (such as a camera) that can continuously acquire flame information images. When the test bench is in a fully open or semi-open state, the fire extinguishing information can be evaluated directly through the camera. When the test bench is in a fully closed state, the camera can be used to observe through the observation window 19. The camera is used by the operator to collect images by hand. This is existing technology and will not be described in detail here. Point A in the figure is the detection component.

[0029] Figure 1 and Figure 4 As shown: A sealing cover 9 is provided above the workbench 1. An external lifting structure, such as an electric hoist or winch, is fixed to the upper end of the sealing cover 9 and connected to the lifting rope 10. The descent of the sealing cover 9 compresses the fireproof pad 17 to form a closed space. Lifting ropes 10 are fixedly connected to the four corners of the upper end of the sealing cover 9, and a conveying pipe 11 is fixedly connected to the middle of the upper end of the sealing cover 9. The lower end of the conveying pipe 11 is fixedly connected through the sealing cover 9 and a bent pipe 12 is fixedly connected. The bent pipe 12 is a rigid pipe. A spray pipe 13 is fixedly connected to the end of the bent pipe 12 away from the conveying pipe 11. Multiple nozzles are installed on the spray pipe 13. Perfluorohexanone agent enters the bent pipe 12 through the conveying pipe 11 and is then discharged through the spray pipe 13 and nozzles and sprayed into the combustion unit 18 for fire extinguishing.

[0030] Figure 5 and Figure 6 The diagram shows that starting cylinder 8 can cause the adjusting plate 5 to move; the four cylinders 8 can be started individually, thereby constructing semi-enclosed spaces of different shapes, including symmetrical semi-enclosed spaces (such as...). Figure 5 As shown) and an asymmetrical semi-enclosed space, but if the four cylinders 8 are activated simultaneously, causing all four adjusting plates 5 to rotate 90 degrees, the sealing cover 9 moves down and fits against the multiple adjusting plates 5, thus forming an enclosed space on the test bench (as shown). Figure 6 (As shown).

[0031] During the fire extinguishing test of perfluorohexanone, the material to be burned can be placed inside the combustion unit 18. By extending and retracting the cylinder 8, the adjusting plates 5 are rotated, thereby adjusting the angle of the four adjusting plates 5. When the four adjusting plates 5 rotate 90 degrees simultaneously, the lifting rope 10 extends, causing the sealing cover 9 to move down and seal the four adjusting plates 5, thus forming a closed space on the test platform. When the rotation degree of multiple adjusting plates 5 is less than 90 degrees or only some (such as two) of the adjusting plates 5 rotate 90 degrees, the test platform forms a semi-closed space. When all four adjusting plates 5 are located in the receiving groove 2, the test platform is in a fully open state. This realizes the flexible conversion between closed, semi-closed and fully open states of the test space, enabling the fire extinguishing test to simulate more diverse actual fire scenarios, thereby effectively improving the test effect and obtaining more comprehensive test results.

[0032] Second implementation method:

[0033] This embodiment adds a winding machine 14, an adjusting rope 15, and an insertion hole 16 to the first embodiment, and changes the material of the bending tube 12. The rest of the parts are the same as the first embodiment.

[0034] Figure 7 and Figure 8 As shown: A winding machine 14 is fixedly connected to the upper end of the sealing cover 9. Those skilled in the art can select a suitable model of winding machine 14 according to actual needs, such as QK-35. An adjusting rope 15 is wound on the winding machine 14. The adjusting rope 15 is made of fireproof material, such as stainless steel micro-wire braided rope. The diameter of the adjusting rope 15 is smaller than the inner diameter of the insertion hole 16. The sealing cover 9 has an insertion hole 16. The end of the adjusting rope 15 away from the winding machine 14 moves through the insertion hole 16 and is fixedly connected to the nozzle 13. The bend 12 is a flexible hose.

[0035] During the fire extinguishing test, the winding machine 14 can be started to drive the adjusting rope 15 to wind up or unwind the line, thereby causing one end of the nozzle 13 to move up and down, changing the tilt angle of the nozzle 13. The bend 12 can elastically deform to adapt to the displacement of the nozzle 13, thus facilitating the spraying of perfluorohexanone agent by the nozzle 13 to different positions of the flame.

[0036] In light of current practical needs, the above-described embodiments adopted in this application are not limited to these. Any changes made within the scope of knowledge possessed by those skilled in the art without departing from the concept of this application still fall within the protection scope of this utility model.

Claims

1. A test platform for a perfluorohexanone fire extinguishing device, comprising a workbench (1), characterized in that: The upper end of the workbench (1) is chiseled with a cross-shaped receiving groove (2). A positioning plate (3) is fixedly connected to the middle of the receiving groove (2). An adjusting seat (4) is fixedly connected to each of the four ends of the positioning plate (3). An adjusting plate (5) is rotatably connected inside the adjusting seat (4). Four adjusting holes (6) are chiseled in the inner bottom wall of the receiving groove (2). Four support legs (7) are fixedly connected to the lower end of the workbench (1). A cylinder (8) is rotatably connected to the support leg (7). The telescopic end of the cylinder (8) moves through one of the adjusting holes (6) and is rotatably connected to one of the adjusting plates (5). The upper ends of the positioning plate (3) and the multiple adjusting plates (5) are fixed together. A fireproof pad (17) is connected to the adjustment plate (5) and the fireproof pad (17). An observation window (19) is fixedly embedded on both the adjustment plate (5) and the fireproof pad (17). The observation window (19) is made of transparent fireproof material. A combustion unit (18) is fixedly connected to the upper middle part of the fireproof pad (17). A sealing cover (9) is provided above the workbench (1). Lifting ropes (10) are fixedly connected to the four corners of the upper end of the sealing cover (9). A conveying pipe (11) is fixedly connected to the upper middle part of the sealing cover (9). The lower end of the conveying pipe (11) is fixedly connected through the sealing cover (9) and a bent pipe (12) is fixedly connected. A spray pipe (13) is fixedly connected to the end of the bent pipe (12) away from the conveying pipe (11).

2. The perfluorohexanone fire extinguishing device test platform according to claim 1, characterized in that: The fireproof pad (17) has a cross-shaped cross section and is made of elastic material, while the bent pipe (12) is a rigid pipe.

3. The perfluorohexanone fire extinguishing device test platform according to claim 1, characterized in that: A detection component is provided in front of the workbench (1), and both the detection component and the cylinder (8) are connected to the PLC signal.

4. The perfluorohexanone fire extinguishing device test platform according to claim 1, characterized in that: The upper end of the sealing cover (9) is fixedly connected to a winding machine (14), and an adjusting rope (15) is wound on the winding machine (14). The sealing cover (9) has a hole (16) drilled on it. The end of the adjusting rope (15) away from the winding machine (14) moves through the hole (16) and is fixedly connected to the nozzle (13).

5. The perfluorohexanone fire extinguishing device test platform according to claim 4, characterized in that: The bend (12) is a flexible hose, and the nozzle (13) is equipped with multiple nozzles.

6. The perfluorohexanone fire extinguishing device test platform according to claim 4, characterized in that: The adjusting rope (15) is made of fire-resistant material, and the diameter of the adjusting rope (15) is smaller than the inner diameter of the insertion hole (16).

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