Isolation box
By installing smoke sensors and an automatic water spray system inside the isolation chamber, the problem of reignition after combustion tests of flammable objects was solved, thus ensuring the safety and reliability of the tests.
Patent Information
- Application Number
- CN202422875858.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-25
AI Technical Summary
After a flammable object combustion test, the test piece may reignite due to residual heat or residual ash, leading to an accident.
An isolation box was designed with a built-in smoke sensor and an automatic water spraying structure. The smoke sensor detects the smoke concentration signal and controls the automatic water spraying when it exceeds the alarm threshold to extinguish the flames.
It effectively prevents the test specimens from reigniting, ensuring test safety, and achieves real-time monitoring and extinguishing of smoke through an automatic water spray structure.
Smart Images
Figure CN223526313U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of fire prevention, in particular to a separation box. BACKGROUND
[0002] In some application scenarios, it is necessary to carry out a combustion test on flammable objects to test their fireproof performance, for example, a combustion test is carried out on an aircraft seat cushion to detect whether its char length and weight loss rate meet the requirements. However, after the test is completed, the test piece may be re-ignited due to residual heat or residual ash, thereby causing an accident to occur. SUMMARY
[0003] In view of the above technical problems, the utility model adopts the technical scheme that:
[0004] The utility model discloses a separation box, the separation box includes the box and the box door, the box door with the front side swing joint of the box body is used for opening or closing the box, the inside top of the box is provided with smoke sensor, first water spraying structure and second water spraying structure, first water spraying structure includes first pipeline and the handheld shower head and hand valve connected with first pipeline, second water spraying structure includes second pipeline and sets up electromagnetic valve and a plurality of nozzles on second pipeline, first pipeline and second pipeline are connected with external water source, smoke sensor is connected with electromagnetic valve electricity, is used for sending the smoke concentration signal electric signal detected to electromagnetic valve, electromagnetic valve is used for comparing the received smoke concentration signal with the preset concentration alarm threshold value, when determining that the received smoke concentration signal is greater than the preset alarm concentration threshold value, by normally closed state conversion to normal open state to make the water in second pipeline spray through the nozzle, the inside bottom of the box is provided with support frame, and the support frame includes support leg and support table, and the support table is formed into a hollow structure.
[0005] The utility model at least has following beneficial effect:
[0006] The separation box provided by the utility model embodiment is used for carrying out a combustion test on flammable test samples, can detect the smoke concentration signal in the box in real time after the test is completed, and can automatically spray water when detecting that the smoke concentration signal is greater than the alarm concentration threshold value, so that the re-ignition of the samples can be avoided. BRIEF DESCRIPTION OF DRAWINGS
[0007] In order to more clearly illustrate the technical scheme in the utility model embodiment, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.
[0008] Fig. 1 A front view of the isolation box provided by the embodiment of the present application is shown in the figure.
[0009] Fig. 2 A top view of the inside of the box body of the isolation box provided by the embodiment of the present application is shown in the figure.
[0010] Fig. 3 A view of the box body of the isolation box provided by the embodiment of the present application is shown in the figure.
[0011] Fig. 4 A schematic view of the second lock structure is shown in the figure. DETAILED DESCRIPTION
[0012] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0013] It should be understood that the various forms of flow shown above can be reordered, added or deleted steps. For example, the steps described in the present application can be executed in parallel, sequentially or in different order, as long as the desired results of the technical solutions disclosed in the present application can be achieved, which is not limited herein.
[0014] The embodiment of the present application provides an isolation box, as shown in the figure, which comprises a box body 1 and a box door 2, the box door 2 is movably connected with the front side of the box body, for opening or closing the box body. Figs. 1 to 4
[0015] In the embodiment of the present application, the box door 2 comprises a first box door 3 and a second box door 4, the first box door 3 is rotatably connected with one side of the box body 1, for example, connected through a hinge 5, the second box door is rotatably connected with the other side of the box body, for example, connected through a hinge 5, a first lock structure 15 is arranged on the first box door, a second lock structure 6 is arranged on the second box door, the first lock structure is used for connecting the first box door and the box body, to lock the first box door, the second lock structure is used for connecting the first box door and the second box door, to lock the second box door.
[0016] In the embodiment of the utility model, the first lock structure can include an upper lock structure and a lower lock structure, the upper lock structure can include an upper bolt and an upper insertion hole arranged on the top of the box body, and the lower lock structure can include a lower bolt and a lower insertion hole arranged on the bottom of the box body, the first box door and the box body are fixedly connected by inserting the upper bolt into the upper insertion hole and inserting the lower bolt into the lower insertion hole. The second lock structure can include a movable handle 601, a button 602, a spring buckle 603, a lock tongue 604 and a lock hole. Among them, the movable handle 601, the button 602 and the spring buckle 603 are arranged in the groove on the outside of the second box door, one end of the movable handle 601 is movably connected with the spring buckle 602, the other end is rotatably connected with the second box door, the lock tongue is arranged on the inside of the second box door, is connected with the movable handle through the connecting piece and moves together with the movable handle, and the lock hole is arranged on the right side edge of the first box door. When it is needed to close the box body, the first box door is locked first, then the button is pressed, so that the movable handle is separated from the spring buckle, the spring buckle is popped out of the groove, then the movable handle is rotated into the groove, so that the lock tongue is inserted into the lock hole of the first box door, and the second box door is locked.
[0017] Further, the top of the inside of the box body is provided with a smoke sensor 7, a first water spraying structure and a second water spraying structure, the first water spraying structure comprises a first pipeline 8 and a handheld spray head 9 and a manual valve 13 connected with the first pipeline, the second water spraying structure comprises a second pipeline 10 and an electromagnetic valve 11 and a plurality of nozzles 12 arranged on the second pipeline, the first pipeline and the second pipeline are connected with an external water source such as a water inlet pipe, the smoke sensor 7 is electrically connected with the electromagnetic valve, is used for sending a detected smoke concentration signal electric signal to the electromagnetic valve, the electromagnetic valve is used for comparing a received smoke concentration signal electric signal with a preset concentration alarm threshold value, and when it is determined that the received smoke concentration signal electric signal is greater than the preset alarm concentration threshold value, the electromagnetic valve is switched from a normally closed state to a normally open state to make the water in the second pipeline sprayed through the nozzles.
[0018] In the embodiment of the utility model, the smoke sensor and the electromagnetic valve can be powered by an external power supply.
[0019] In the embodiment of the utility model, the first water spraying structure is used for manual water spraying, that is, water is sprayed when a staff is on site. The second water spraying structure is used for automatic water spraying. In the embodiment of the utility model, the preset concentration alarm threshold value can be determined based on the parameters of the electromagnetic valve, and can be the concentration alarm threshold value of the existing electromagnetic valve.
[0020] In the embodiment of the utility model, the first pipeline and the second pipeline are arranged along the length direction of the box. The nozzle can include three nozzles, which can be brass nozzles. The spraying time of the nozzle can be a preset time, for example, 2 minutes. In this way, the fire can be extinguished as much as possible, and environmental pollution caused by excessive water spraying can be avoided. If the current spraying operation does not completely extinguish the fire, the electromagnetic valve will monitor the smoke concentration signal electric signal in real time. If the smoke concentration signal electric signal is still very large, the water spraying operation will be controlled again until the fire is completely extinguished.
[0021] In the embodiment of the utility model, the bottom of the inside of the box is provided with a support frame 14, the support frame 14 includes support legs and a support table, and the support table is formed as a hollow structure. The support frame 14 is used for placing the test sample 16, and the ash after combustion can fall into the bottom of the box through the hollow structure, which is convenient for cleaning. In order to facilitate storage, the support frame 14 can be multiple, and multiple support frames are spliced to cover the bottom of the box.
[0022] Further, in the embodiment of the utility model, the bottom of the inside of the box is further provided with a tray 17, the tray is movably connected with the bottom of the box, and the support frame is arranged on the tray. Because the tray is arranged, the garbage such as ash after combustion can fall into the tray, and the garbage can be poured into a garbage can by taking out the tray, which can further facilitate cleaning.
[0023] Further, in the embodiment of the utility model, the inside of the box is further provided with a reinforcing member (not shown).
[0024] Further, in the embodiment of the utility model, the bottom of the box is provided with universal wheels (not shown). Because the universal wheels are arranged, the box can be conveniently carried.
[0025] In the embodiment of the utility model, the box, the box door and the support frame are all made of stainless steel, which can prevent and resist corrosion.
[0026] An application scenario of the isolation box provided in the embodiment of the utility model is a combustion test of flammable samples and temporary storage of the samples, that is, the isolation box is used for placing test samples that are prone to smoldering and smoke generation, for example, combustion test of aircraft seat cushions. After the test is completed, the staff can open the manual valve and use the handheld spray head to spray water to extinguish the flame. Because the sample is flammable, although the open fire is extinguished, there may still be residual heat inside, which may smolder. Because the smoke sensor is arranged in the isolation box, the smoke concentration signal electric signal in the box can be detected in real time, and when the smoke concentration signal electric signal exceeds the alarm threshold, the water spraying operation is automatically performed, so that the fire can be completely extinguished, and safety is ensured.
[0027] The specific embodiments described above do not constitute a limitation on the protection scope of the present application. Those skilled in the art should understand that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An isolation box, characterized in that, The isolation box comprises a box body and a box door, the box door is movably connected with the front side of the box body, and is used for opening or closing the box body, the top of the inside of the box body is provided with a smoke sensor, a first water spraying structure and a second water spraying structure, the first water spraying structure comprises a first pipeline, a handheld spray head connected with the first pipeline and a manual valve, the second water spraying structure comprises a second pipeline and a plurality of nozzles and an electromagnetic valve arranged on the second pipeline, the first pipeline and the second pipeline are connected with an external water source, the smoke sensor is electrically connected with the electromagnetic valve, and is used for sending a detected smoke concentration signal to the electromagnetic valve, the electromagnetic valve is used for comparing a received smoke concentration signal with a preset concentration alarm threshold, and when it is determined that the received smoke concentration signal is greater than the preset alarm concentration threshold, the electromagnetic valve is switched from a normally closed state to a normally open state to make water in the second pipeline sprayed through the nozzles.
2. The isolation chamber of claim 1, wherein, The spraying time of the nozzles is a preset time.
3. The isolation chamber of claim 1, wherein, The bottom of the inside of the box body is further provided with a tray, the tray is movably connected with the bottom of the box body, and the support frame is arranged on the tray.
4. The isolation chamber of claim 1, wherein, The box door comprises a first box door and a second box door, the first box door is rotatably connected with one side of the box body, the second box door is rotatably connected with the other side of the box body, the first box door is provided with a first lock structure, the second box door is provided with a second lock structure, the first lock structure is used for connecting the first box door and the box body, and the second lock structure is used for connecting the first box door and the second box door.
5. The isolation chamber of claim 1, wherein, The bottom of the box body is provided with universal wheels.
6. The isolation chamber of claim 1, wherein, The first pipeline and the second pipeline are arranged along the length direction of the box body.
7. The isolation chamber of claim 1, wherein, Three nozzles are included.
8. The isolation chamber of claim 1, wherein, The inside of the box body is further provided with a reinforcing piece.
9. The isolation chamber of claim 1, wherein, The isolation box is used for placing test samples prone to smoldering and smoke generation.