Mixed gas fire extinguishing system

Abstract

The utility model relates to a mixed gas fire extinguishing system which comprises fire extinguishing control equipment, a fire detector, a gas cylinder assembly, a collecting pipe and a spray head, and the fire detector is electrically connected to the fire extinguishing control equipment; the gas cylinder assembly comprises a carbon dioxide high-pressure gas cylinder, an alarm disc and a nitrogen high-pressure gas cylinder, a gas transmission end of the carbon dioxide high-pressure gas cylinder is provided with a first container valve, the first container valve is electrically connected to the alarm disc, a gas transmission end of the nitrogen high-pressure gas cylinder is provided with a second container valve, and the second container valve is electrically connected to the fire extinguishing control equipment; the collecting pipe is provided with two first connecting ends and a second connecting end, and the first container valves and the second container valves are connected to the two first connecting ends in a one-to-one correspondence mode. The nozzle is connected to the second connecting end. The carbon dioxide can be used for killing flames, and the nitrogen can be used for diluting the oxygen concentration in air, so that oxygen deficit is prevented. Through the synergistic effect of carbon dioxide and nitrogen, the fire extinguishing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire extinguishing systems, and particularly relates to a mixed gas fire extinguishing system. Background Art

[0002] Fire extinguishing systems are widely used in daily life and industrial production. Especially for areas with electrical and electronic equipment indoors, fire extinguishing systems need to be equipped to prevent fires.

[0003] At present, fire extinguishing systems usually use a single gas for fire extinguishing. However, the advantages and disadvantages of different gases are very obvious, so that in the process of fire extinguishing, a more excellent fire extinguishing effect cannot be obtained, and thus the fire extinguishing efficiency cannot be improved. Summary of the Utility Model

[0004] Based on the above description, the utility model provides a mixed gas fire extinguishing system, aiming at solving the problem that the existing fire extinguishing systems usually use a single gas for fire extinguishing.

[0005] The technical solution for the utility model to solve the above technical problems is as follows:

[0006] A mixed gas fire extinguishing system, the fire extinguishing system comprising:

[0007] A fire extinguishing control device;

[0008] A fire detector, electrically connected to the fire extinguishing control device;

[0009] A gas cylinder assembly, including a carbon dioxide high-pressure gas cylinder, an alarm panel, and a nitrogen high-pressure gas cylinder. A first container valve is provided at the gas delivery end of the carbon dioxide high-pressure gas cylinder, and the first container valve is electrically connected to the alarm panel. A second container valve is provided at the gas delivery end of the nitrogen high-pressure gas cylinder, and the second container valve is electrically connected to the fire extinguishing control device;

[0010] A manifold, having a first connection end and a second connection end. There are two first connection ends, and the first container valve and the second container valve are correspondingly connected to the two first connection ends;

[0011] A sprinkler head, connected to the second connection end.

[0012] On the basis of the above technical solution, the utility model can be further improved as follows.

[0013] Further, the fire extinguishing system includes a check valve, the check valve is provided on the manifold, and the check valve is located between the first container valve or the second container valve and the sprinkler head.

[0014] Further, the fire extinguishing system includes an audible and visual alarm, and the audible and visual alarm is electrically connected to the fire extinguishing control device.

[0015] Furthermore, the fire extinguishing system includes a manual fire alarm button, and the manual fire alarm button is electrically connected to the fire extinguishing control device.

[0016] Furthermore, the fire extinguishing system includes a gas discharge detector, the gas discharge detector is connected to the manifold, and the gas discharge detector is located between the check valve and the sprinkler head.

[0017] Furthermore, the gas discharge detector is a first pressure sensor or a flow sensor.

[0018] Furthermore, the fire extinguishing system includes a gas discharge indicator light, and the gas discharge indicator light is electrically connected to the fire extinguishing control device.

[0019] Furthermore, when the gas discharge detector is a first pressure sensor, the fire extinguishing system includes a booster pump, the booster pump is connected to the manifold, the booster pump is located between the gas discharge detector and the sprinkler head, and the booster pump is electrically connected to the fire extinguishing control device.

[0020] Furthermore, when the gas discharge detector is a flow sensor, the fire extinguishing system includes a second pressure sensor and a booster pump, the second pressure sensor and the booster pump are sequentially connected to the manifold along the length direction of the manifold, both the second pressure sensor and the booster pump are located between the gas discharge detector and the sprinkler head, and both the second pressure sensor and the booster pump are electrically connected to the fire extinguishing control device.

[0021] Compared with the prior art, the technical solution of the present application has the following beneficial technical effects:

[0022] (1) The present application utilizes that carbon dioxide can strangle the flame and nitrogen can dilute the oxygen concentration in the air, thereby preventing oxygen deficiency. Through the synergistic effect of carbon dioxide and nitrogen, the fire extinguishing efficiency is improved.

[0023] (2) The present application detects the manifold through the gas discharge detector, and can timely detect whether the manifold discharges gas normally. Furthermore, it is convenient for the staff to handle in time to prevent the spread of fire.

[0024] (3) When the pressure value of the manifold is lower than the preset pressure threshold through the booster pump, the fire extinguishing control device controls the booster pump to pressurize the mixed gas, so that the mixed gas has sufficient pressure to spray out from the sprinkler head. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic structural diagram of a mixed gas fire extinguishing system provided in an embodiment of the present invention.

[0026] Description of reference numerals: 1. Fire extinguishing control equipment; 2. Fire detector; 3. Gas cylinder assembly; 31. Carbon dioxide high-pressure gas cylinder; 311. First container valve; 32. Alarm panel; 33. Nitrogen high-pressure gas cylinder; 331. Second container valve; 4. Header pipe; 5. Sprinkler; 6. Check valve; 7. Acousto-optic alarm; 8. Manual fire alarm button; 9. Air release detection component; 10. Air release indicator light; 11. Second pressure sensor; 12. Booster pump. Detailed implementation manners

[0027] For the convenience of understanding the present application, the present application will be described more comprehensively below with reference to the relevant drawings. Embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present application is thorough and comprehensive.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs. The terms used in the specification of this application herein are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0029] It can be understood that spatial relationship terms such as "under", "below", "beneath", "underneath", "above", "over" etc. can be used herein to describe the relationship between one element or feature shown in the drawings and other elements or features. It should be understood that in addition to the orientation shown in the drawings, spatial relationship terms also include different orientations of the devices during use and operation. For example, if the device in the drawing is flipped, the element or feature described as "under other elements" or "beneath it" or "under it" will be oriented "above" other elements or features. Therefore, the exemplary terms "under" and "below" can include both the upper and lower orientations. In addition, the device can also include other orientations (such as rotating 90 degrees or other orientations), and the spatial description terms used herein are accordingly interpreted.

[0030] As used herein, the singular forms "a", "an" and "the" may also include the plural forms unless the context clearly indicates otherwise. It should also be understood that the terms "comprise / include" or "have" etc. specify the presence of the stated features, wholes, steps, operations, components, parts or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.

[0031] Refer to the attached Figure 1As shown in the figure, the present utility model provides a technical solution: a mixed gas fire extinguishing system, which includes a fire extinguishing control device 1, a fire detector 2, a gas cylinder assembly 3, a manifold 4, and a nozzle 5. The fire detector 2 is electrically connected to the fire extinguishing control device 1; the gas cylinder assembly 3 includes a carbon dioxide high-pressure gas cylinder 31, an alarm panel 32, and a nitrogen high-pressure gas cylinder 33. A first container valve 311 is provided at the gas output end of the carbon dioxide high-pressure gas cylinder 31, and the first container valve 311 is electrically connected to the alarm panel 32. A second container valve 331 is provided at the gas output end of the nitrogen high-pressure gas cylinder 33, and the second container valve 331 is electrically connected to the fire extinguishing control device 1; the manifold 4 has a first connection end and a second connection end. There are two first connection ends, and the first container valve 311 and the second container valve 331 are correspondingly connected to the two first connection ends; the nozzle 5 is connected to the second connection end.

[0032] Exemplarily, the model of the fire extinguishing control device 1 can be NFS2-3030C, etc. The fire detector 2 can be a heat fire detector 2, a smoke fire detector 2, a light fire detector 2, or a composite fire detector 2, etc.; the model of the heat fire detector 2 can be JTW-ZCD-G3N, etc.; the model of the smoke fire detector 2 can be JTY-GM-HK8001, etc.; the model of the light fire detector 2 can be JTH-CH386ERT, etc.; the model of the composite fire detector 2 can be JTY-GM-HA201, etc. The models of the first container valve 311 and the second container valve 331 can be QRF50 / 4.2EI, etc. The model of the alarm panel 32 can be GST-ZF-500Z, etc.

[0033] According to this embodiment, when the fire detector 2 detects a fire, it feeds back a pulse signal to the fire extinguishing control device 1. The fire extinguishing control device 1 sends an execution instruction to the second container valve 331 to open the second container valve 331. At the same time, the fire extinguishing control device 1 sends a control instruction to the alarm panel 32 to control the first container valve 311 to open. After the carbon dioxide and nitrogen enter the manifold 4, the carbon dioxide and nitrogen are mixed in the manifold 4 and continuously flow through the nozzle 5 to spray towards the combustion point to achieve fire extinguishing. In this way, the carbon dioxide can extinguish the flame, and the nitrogen can dilute the oxygen concentration in the air, thereby preventing oxygen deficiency. Through the synergistic effect of carbon dioxide and nitrogen, the fire extinguishing efficiency is improved.

[0034] In some embodiments, the fire extinguishing system includes a check valve 6. The check valve 6 is provided on the manifold 4, and the check valve 6 is located between the first container valve 311 or the second container valve 331 and the nozzle 5.

[0035] According to this embodiment, the check valve 6 can prevent the mixed gas in the manifold 4 from flowing back, thereby preventing the mixed gas from having an adverse effect on the carbon dioxide high-pressure gas cylinder 31 and the nitrogen high-pressure gas cylinder 33.

[0036] In some embodiments, the fire extinguishing system includes an audible and visual alarm 7, and the audible and visual alarm 7 is electrically connected to the fire extinguishing control device 1.

[0037] According to this embodiment, when a fire occurs, the fire extinguishing control device 1 controls the audible and visual alarm 7 to start for audible and visual alarm reminder, so that the staff can extinguish the fire in time.

[0038] In some embodiments, the fire extinguishing system includes a manual fire alarm button 8, and the manual fire alarm button 8 is electrically connected to the fire extinguishing control device 1.

[0039] Exemplarily, the model of the manual fire alarm button 8 can be J-SAP-8401, etc.

[0040] According to this embodiment, when the staff discovers a fire, a pulse signal is fed back to the fire extinguishing control device 1 through the manual fire alarm button 8. The fire extinguishing control device 1 can perform corresponding actions to prevent the spread of the fire.

[0041] In some embodiments, the fire extinguishing system includes a gas discharge detection member 9, the gas discharge detection member 9 is connected to the manifold 4, and the gas discharge detection member 9 is located between the check valve 6 and the nozzle 5.

[0042] Exemplarily, the gas discharge detection member 9 is a first pressure sensor or a flow sensor. For example, the model of the first pressure sensor can be QBE9001-P25, etc.; the model of the flow sensor can be SBY357, etc.

[0043] According to this embodiment, by detecting the manifold 4 through the gas discharge detection member 9, it is possible to timely detect whether the manifold 4 is discharging gas normally. This facilitates the staff to handle it in time and prevent the spread of the fire.

[0044] In some embodiments, the fire extinguishing system includes a gas discharge indicator light 10, and the gas discharge indicator light 10 is electrically connected to the fire extinguishing control device 1.

[0045] According to this embodiment, when the manifold 4 discharges gas normally, the fire extinguishing control device 1 controls the gas discharge indicator light 10 to light up, facilitating the staff to timely understand the operation status of the manifold 4.

[0046] In some embodiments, when the gas discharge detection member 9 is a first pressure sensor, the fire extinguishing system includes a booster pump 12, the booster pump 12 is connected to the manifold 4, the booster pump 12 is located between the gas discharge detection member 9 and the nozzle 5, and the booster pump 12 is electrically connected to the fire extinguishing control device 1.

[0047] In this embodiment, after the first pressure sensor feeds back the pressure value of the manifold 4 to the fire extinguishing control device 1, the fire extinguishing control device 1 not only determines whether there is a flow of mixed gas in the manifold 4, but also determines whether the pressure value of the manifold 4 is lower than a preset pressure threshold. When the pressure value of the manifold 4 is lower than the preset pressure threshold, the fire extinguishing control device 1 controls the booster pump 12 to boost the pressure of the mixed gas, so that the mixed gas has sufficient pressure to be ejected from the nozzle 5.

[0048] In some embodiments, when the air release detection member 9 is a flow sensor, the fire extinguishing system includes a second pressure sensor 11 and a booster pump 12. The second pressure sensor 11 and the booster pump 12 are sequentially connected to the manifold 4 along the length direction of the manifold 4. Both the second pressure sensor 11 and the booster pump 12 are located between the air release detection member 9 and the nozzle 5, and both the second pressure sensor 11 and the booster pump 12 are electrically connected to the fire extinguishing control device 1.

[0049] Exemplarily, the model of the second pressure sensor 11 can be QBE9001-P25, etc.

[0050] In this embodiment, after the second pressure sensor 11 feeds back the pressure value of the manifold 4 to the fire extinguishing control device 1, when the pressure value of the manifold 4 is lower than the preset pressure threshold, the fire extinguishing control device 1 controls the booster pump 12 to boost the pressure of the mixed gas, so that the mixed gas has sufficient pressure to be ejected from the nozzle 5.

[0051] It should be noted that Figure 1 in the figure, the dashed line represents the circuit connection relationship between the fire detector 2, the alarm panel 32, the second container valve 331, the sound and light alarm 7, the manual fire alarm button 8, the air release detection member 9, the air release indicator light 10, the second pressure sensor 11 and the booster pump 12 recorded in the present invention and the fire extinguishing control cabinet 1, as well as between the first container valve 311 and the alarm panel 32.

[0052] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A mixed gas fire extinguishing system, characterized in that, The fire extinguishing system includes: A fire extinguishing control device (1); A fire detector (2), electrically connected to the fire extinguishing control device (1); A gas cylinder assembly (3), including a carbon dioxide high-pressure gas cylinder (31), an alarm panel (32), and a nitrogen high-pressure gas cylinder (33). A first container valve (311) is provided at the gas outlet end of the carbon dioxide high-pressure gas cylinder (31), and the first container valve (311) is electrically connected to the alarm panel (32). A second container valve (331) is provided at the gas outlet end of the nitrogen high-pressure gas cylinder (33), and the second container valve (331) is electrically connected to the fire extinguishing control device (1); A manifold (4), having a first connection end and a second connection end. There are two first connection ends, and the first container valve (311) and the second container valve (331) are connected to the two first connection ends in a one-to-one correspondence; A sprinkler head (5), connected to the second connection end.

2. A mixed gas fire extinguishing system according to claim 1, characterized in that, The fire extinguishing system includes a check valve (6), which is provided on the manifold (4), and the check valve (6) is located between the first container valve (311) or the second container valve (331) and the sprinkler head (5).

3. A mixed gas fire extinguishing system according to claim 1, characterized in that, The fire extinguishing system includes an audible and visual alarm (7), which is electrically connected to the fire extinguishing control device (1).

4. A mixed gas fire extinguishing system according to claim 1, characterized in that, The fire extinguishing system includes a manual fire alarm button (8), which is electrically connected to the fire extinguishing control device (1).

5. A mixed gas fire extinguishing system according to claim 2, characterized in that, The fire extinguishing system includes a gas discharge detection component (9), which is connected to the manifold (4), and the gas discharge detection component (9) is located between the check valve (6) and the sprinkler head (5).

6. A mixed gas fire extinguishing system according to claim 5, characterized in that, The gas discharge detection component (9) is a first pressure sensor or a flow sensor.

7. A mixed gas fire extinguishing system according to claim 6, characterized in that, The fire extinguishing system includes a gas discharge indicator light (10), which is electrically connected to the fire extinguishing control device (1).

8. A mixed gas fire extinguishing system according to claim 5, characterized in that, When the gas discharge detection component (9) is a first pressure sensor, the fire extinguishing system includes a booster pump (12), which is connected to the manifold (4), and the booster pump (12) is located between the gas discharge detection component (9) and the sprinkler head (5), and the booster pump (12) is electrically connected to the fire extinguishing control device (1).

9. A mixed gas fire extinguishing system according to claim 5, characterized in that, When the gas discharge detection component (9) is a flow sensor, the fire extinguishing system includes a second pressure sensor (11) and a booster pump (12). The second pressure sensor (11) and the booster pump (12) are sequentially connected to the manifold (4) along the length direction of the manifold (4). The second pressure sensor (11) and the booster pump (12) are both located between the gas discharge detection component (9) and the sprinkler head (5), and the second pressure sensor (11) and the booster pump (12) are both electrically connected to the fire extinguishing control device (1).

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