A bridge fire inspection device
By designing bridge fire inspection devices, including automatic sensing and alarm devices, automatic sprinkler fire extinguishing devices and rapid emergency response devices, the problem of low fire extinguishing timeliness in the existing technology is solved, automatic monitoring and preliminary disposal of fires is realized, and timeliness and efficiency of fire extinguishing is improved.
Patent Information
- Application Number
- CN202421352043.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-13
AI Technical Summary
The existing large-span bridge fire fire protection system relies on manual detection and operation, resulting in low fire extinguishing timeliness.
Design a bridge fire inspection device, including automatic sensing and alarm devices, automatic sprinkler fire extinguishing devices and rapid emergency response devices. The automatic sensing and alarm device is used to monitor the location of the fire and upload information. The automatic spray fire extinguishing device realizes automatic spraying through the temperature-sensitive nozzle. The fast emergency response device can move to monitor the fire situation in real time according to the instructions of the monitoring center.
Automatic monitoring and initial disposal of fires has been realized, the fire location is quickly positioned and the fire situation is initially controlled, reducing the impact of fire on the bridges, and winning time for professional fire rescue forces.
Smart Images

Figure CN222734525U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of bridge fire protection, and in particular to a bridge fire inspection device. Background Art
[0002] Fire is one of the many factors that lead to damage or even collapse of bridge structures, and is often caused by traffic accidents such as vehicle collisions, explosions, and leaks of combustible hazardous chemicals. Fire can damage bridge structures, and the properties of important components such as bridge concrete, steel cables, steel structures, cables and rods may deteriorate, resulting in a reduction in the bridge's bearing capacity, which has a significant impact on the safety of the bridge and has attracted widespread attention from the public.
[0003] Chinese utility model patent CN209967484U discloses a fire fighting system for a large-span bridge, which includes a water supply network, a water suction device, a backup water suction device and a control platform. The control platform is used to control the operation of the water suction device and the backup water suction device. The water supply network includes a longitudinal water pipe and a transverse water pipe extending along the bridge deck. The water suction device and the backup water suction device are both connected in series to the longitudinal water pipe, and a plurality of fire hydrants are arranged at intervals on the transverse water pipe.
[0004] This utility model patent solves the defect that fire-fighting equipment cannot be transported to the fire area in time due to the long bridge deck of large-span bridges, thereby improving the fire-fighting efficiency. However, it relies on manual discovery of fires and relevant operations to extinguish the fire, and the timeliness of fire-fighting is low. Utility Model Content
[0005] Based on this, it is necessary to provide a bridge fire inspection device to solve the defects mentioned in the above background technology.
[0006] A bridge fire inspection device is arranged on the side of the bridge and arranged at intervals along the extension direction of the bridge, including an automatic sensing and alarm device, an automatic sprinkler fire extinguishing device and a rapid emergency response device. The automatic sensing and alarm device is used to monitor the location information of a fire on the bridge and upload the location information to a monitoring center. The automatic sprinkler fire extinguishing device is connected to a water pipe and is provided with a temperature-sensing nozzle facing the bridge pavement side. The rapid emergency response device can move along the extension direction of the bridge according to the command of the monitoring center, and is used to monitor the fire situation at the fire location in real time.
[0007] As a preferred embodiment of the bridge fire inspection device in the utility model, the bridge fire inspection device is arranged on one side or both sides of the bridge pavement, and the interval between adjacent bridge fire inspection devices is 10m to 15m.
[0008] As a preferred embodiment of the bridge fire inspection device in the utility model, the automatic sensing and alarm device includes a fire detector, a fire alarm controller and a sensor platform board. The sensor platform board is wirelessly connected to the monitoring center. The sensor platform board is arranged on the top of the automatic sprinkler fire extinguishing device, and is electrically connected to the fire detector and the fire alarm controller.
[0009] As a preferred embodiment of the bridge fire inspection device in the utility model, the automatic sprinkler fire extinguishing device includes a temperature-sensitive nozzle, a transverse water pipe, a longitudinal water pipe and a support platform. The longitudinal water pipe is arranged along the extension direction of the bridge, and is connected to one end of the transverse water pipe through a connecting hose. The other end of the transverse water pipe is arranged toward the bridge pavement, the temperature-sensitive nozzle is connected to the other end of the transverse water pipe, and the support platform is arranged between the bridge and one end of the transverse water pipe, and is electrically connected to the fire alarm controller.
[0010] As a preferred embodiment of the bridge fire inspection device in the utility model, temperature-sensitive glass beads are arranged in the temperature-sensitive nozzle.
[0011] As a preferred embodiment of the bridge fire inspection device in the utility model, the rapid emergency response device is arranged on the inner side of the automatic sprinkler fire extinguishing device, which includes a rail inspection vehicle and a longitudinal slide rail. The longitudinal slide rail is connected to the bridge through a transverse support column and is arranged along the extension direction of the bridge. The rail inspection vehicle is slidably connected to the longitudinal slide rail.
[0012] As a preferred embodiment of the bridge fire inspection device in the utility model, the rail inspection vehicle includes a lifting platform, a monitoring device and an inspection controller. The monitoring device and the inspection controller are arranged on the top of the lifting platform. The bottom of the lifting platform is slidably connected to the longitudinal slide rail through a sliding roller. The inspection controller is electrically connected to the lifting platform, the monitoring device and the sliding roller, and is wirelessly connected to the monitoring center.
[0013] Beneficial effects of the utility model:
[0014] 1. When a fire occurs, the staff in the monitoring center can quickly locate the fire through the automatic sensing and alarm devices, and take preliminary measures to deal with the fire on the scene through the rapid emergency response device, so as to minimize the impact of the fire and buy time for professional fire rescue forces to arrive at the scene.
[0015] 2. The utility model can realize automatic sprinkler system in case of fire by setting temperature-sensitive sprinkler heads, without manual operation, and can initially control the fire situation. It can also upload fire information to the control center in the first time through automatic sensing and alarm devices, further shortening the waiting time for fire extinguishing, and has strong timeliness. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 This is a schematic diagram of the structure of a fire inspection device in an embodiment of the present application;
[0018] Description of reference numerals:
[0019] 1. Fire detector; 2. Fire alarm controller; 3. Sensor platform plate; 4. Temperature-sensing nozzle; 5. Temperature-sensing glass beads; 6. Nozzle ball joint; 7. Horizontal water pipe; 8. Top water pipe diagonal brace; 9. Bottom water pipe diagonal brace; 10. Longitudinal water pipe; 11. Connecting hose; 12. Connecting bolt; 13. Support platform; 14. Track inspection vehicle; 15. Lifting platform; 16. Infrared thermal imager; 17. High-definition camera; 18. Inspection controller; 19. Longitudinal slide rail; 20. Limit groove; 21. Sliding roller; 22. Roller bearing; 23. Horizontal support column; 24. Bridge guardrail; 25. Bridge pavement; 26. Bridge center line. DETAILED DESCRIPTION
[0020] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.
[0021] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0023] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" 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 or an electrical connection; 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 this application can be understood according to specific circumstances.
[0024] In the present application, 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”, and “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”, and “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.
[0025] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.
[0026] Example
[0027] This embodiment discloses a bridge fire inspection device, such as Figure 1As shown, it is arranged on the side of the bridge and arranged at intervals along the extension direction of the bridge, including an automatic sensing and alarm device, an automatic sprinkler fire extinguishing device and a rapid emergency response device. The automatic sensing and alarm device is arranged on the top of the automatic sprinkler fire extinguishing device, which is used to monitor the location information of the fire at the bridge and upload the location information to the monitoring center; the automatic sprinkler fire extinguishing device is connected to the water pipe, and a temperature sensing nozzle 4 is arranged on the side facing the bridge pavement 25; the rapid emergency response device is arranged on the inner side of the automatic sprinkler fire extinguishing device, which can move along the extension direction of the bridge according to the command of the monitoring center, and is used to monitor the fire situation at the fire location in real time.
[0028] When a fire occurs on the bridge pavement 25, the temperature-sensing sprinkler 4 can automatically spray and extinguish the fire in the first time to carry out preliminary control of the fire; at the same time, the automatic sensing and alarm device transmits the alarm information back to the bridge monitoring center, and the monitoring personnel can release fire information, deploy rescue forces, etc.; the monitoring personnel simultaneously use the fire scene rapid emergency response device to carry out preliminary on-site fire disposal, vehicle and personnel evacuation, etc., to minimize the impact of the fire and buy time for professional fire rescue forces to arrive at the scene.
[0029] In this embodiment, the bridge fire inspection device is arranged on the inner side of the bridge guardrail 24, and the interval between adjacent bridge fire inspection devices is 10m to 15m. According to the specific usage scenario, it can be selected to be arranged symmetrically along the bridge center line 26 or on one side of the bridge.
[0030] In this embodiment, the automatic sensing and alarm device includes a fire detector 1, a fire alarm controller 2 and a sensor platform board 3. The fire detector 1 is used to monitor the location information and other relevant information of the fire occurring on the bridge pavement 25 and transmit it to the fire alarm controller 2; the fire alarm controller 2 is wirelessly connected to the monitoring center, and is used to transmit relevant information to the bridge monitoring center; the sensor platform board 3 is arranged on the top of the automatic sprinkler fire extinguishing device, which is electrically connected to the fire detector 1 and the fire alarm controller 2 and fixes the above two to the top of the automatic sprinkler fire extinguishing device.
[0031] In this embodiment, the automatic sprinkler fire extinguishing device includes a temperature-sensitive nozzle 4, a transverse water pipe 7, a longitudinal water pipe 10 and a support platform 13. The longitudinal water pipe 10 is arranged along the extension direction of the bridge, and is connected to the municipal pipe network. It is connected to one end of the transverse water pipe 7 through a connecting hose 11 and a connecting bolt 12; the transverse water pipe 7 is arranged in an inverted L shape, and a top water pipe diagonal brace 8 is arranged at its corner to reinforce it, and the other end is arranged toward the bridge pavement 25; the temperature-sensitive nozzle 4 is connected to the other end of the transverse water pipe 7 through a nozzle ball joint 6, and the support platform 13 is arranged between the bridge and one end of the transverse water pipe 7, and it is electrically connected to the fire alarm controller 2.
[0032] The bottom of the transverse water pipe 7 is connected to the support platform 13 through the bottom water pipe diagonal support 9. The support platform 13 is square and is equipped with the transverse water pipe 7. It has a lifting function and can be adjusted according to the height of the fire point to achieve the best fire extinguishing effect.
[0033] The automatic sprinkler fire extinguishing device does not invade the traffic lane in order to avoid adverse effects on vehicles.
[0034] In this embodiment, the temperature-sensitive sprinkler head 4 is provided with temperature-sensitive glass beads 5. When a fire occurs, the temperature-sensitive glass beads 5 break, and the temperature-sensitive sprinkler head 4 automatically sprays to extinguish the fire.
[0035] In this embodiment, the rapid emergency response device includes a track inspection vehicle 14 and a longitudinal slide rail 19. The longitudinal slide rail 19 is connected to the bridge through a transverse support column 23 and is arranged along the extension direction of the bridge. The transverse support columns 23 are arranged at intervals of 4m to 6m. The upper part of the longitudinal slide rail 19 is provided with a limiting groove 20 arranged along its length direction. The bottom of the track inspection vehicle 14 is slidably connected to the longitudinal slide rail 19 through the limiting groove 20.
[0036] In this embodiment, the rail inspection vehicle 14 includes a lifting platform 15, a monitoring device and an inspection controller 18, the monitoring device and the inspection controller 18 are arranged on the top of the lifting platform 15, the bottom of the lifting platform 15 is connected to the sliding roller 21 through a roller bearing 22, the inspection controller 18 is electrically connected to the lifting platform 15, the monitoring device and the sliding roller 21, and it is wirelessly connected to the monitoring center, and the monitoring personnel control the rail inspection vehicle 14 through the inspection controller 18.
[0037] The monitoring equipment includes monitoring equipment such as an infrared thermal imager 16 and a high-definition camera 17. The high-definition camera 17 can rotate 360 degrees to view the fire scene in real time from multiple angles and directions, and is used to monitor the fire scene and broadcast evacuation information. The thermal infrared imager 16 is arranged horizontally facing the lane.
[0038] The lifting platform 15 is square in shape and its height can be adjusted according to the fire situation, thus solving the problem of visual coverage of the high-definition camera 17.
[0039] When a fire occurs, the monitoring personnel can operate the rail inspection vehicle 14 to drive to the location of the fire, and transmit the fire situation to the monitoring center in real time through the high-definition camera 17 and the thermal infrared imager 16. The high-definition camera 17 also has a built-in dialogue function to carry out preliminary on-site fire disposal, vehicle and personnel evacuation, etc., to minimize the impact of the fire and buy time for professional fire rescue forces to arrive at the scene.
[0040] The support platform 13 has a lifting function and can be adjusted according to the height of the fire point to achieve the best fire extinguishing effect; the lifting platform 15 can adjust the height according to the fire situation to solve the problem of visual coverage of the high-definition camera 17. The coordinated use of the two improves the applicability of the device in fire phenomena and meets the use requirements of various fire situations.
[0041] By longitudinally arranging automatic fire sensing and alarm devices and automatic sprinkler fire extinguishing devices, full coverage of fire in the bridge deck area is achieved. At the same time, the temperature sensing sprinkler head 4 has an automatic sprinkler function, and no manual operation is required to initially control the fire situation. The fire detector 1 and the fire alarm controller 2 can transmit the fire information back to the monitoring center as soon as possible, further shortening the waiting time for fire extinguishing, and the device has strong timeliness in fire extinguishing.
[0042] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0043] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.
Claims
1. A bridge fire inspection device, which is arranged on the side of the bridge and arranged at intervals along the extension direction of the bridge, characterized in that: include: An automatic sensing and alarm device, an automatic sprinkler fire extinguishing device and a rapid emergency response device, wherein the automatic sensing and alarm device is used to monitor the location information of a fire location on a bridge and upload the location information to a monitoring center, the automatic sprinkler fire extinguishing device is connected to a water pipe and is provided with a temperature sensing nozzle (4) on the side facing the bridge pavement (25), and the rapid emergency response device can move along the extension direction of the bridge according to the command of the monitoring center and is used to monitor the fire situation at the fire location in real time.
2. The bridge fire inspection device according to claim 1, characterized in that: The bridge fire inspection device is arranged on one side or both sides of the bridge pavement (25), and the interval between adjacent bridge fire inspection devices is 10m to 15m.
3. The bridge fire inspection device according to claim 1, characterized in that: The automatic sensing and alarm device comprises a fire detector (1), a fire alarm controller (2) and a sensor platform board (3); the fire alarm controller (2) is wirelessly connected to a monitoring center; the sensor platform board (3) is arranged on the top of the automatic sprinkler fire extinguishing device and is electrically connected to the fire detector (1) and the fire alarm controller (2).
4. The bridge fire inspection device according to claim 1, characterized in that: The automatic sprinkler fire extinguishing device comprises a temperature-sensitive nozzle (4), a transverse water pipe (7), a longitudinal water pipe (10) and a support platform (13); the longitudinal water pipe (10) is arranged along the extension direction of the bridge and is connected to one end of the transverse water pipe (7) through a connecting hose (11); the other end of the transverse water pipe (7) is arranged toward the bridge pavement (25); the temperature-sensitive nozzle (4) is connected to the other end of the transverse water pipe (7); the support platform (13) is arranged between the bridge and one end of the transverse water pipe (7) and is electrically connected to a fire alarm controller (2).
5. The bridge fire inspection device according to claim 4 is characterized in that: The temperature-sensitive nozzle (4) is provided with temperature-sensitive glass beads (5).
6. The bridge fire inspection device according to claim 1, characterized in that: The rapid emergency response device is arranged inside the automatic sprinkler fire extinguishing device, and comprises a track inspection vehicle (14) and a longitudinal slide rail (19); the longitudinal slide rail (19) is connected to the bridge via a transverse support column (23) and is arranged along the extension direction of the bridge; the track inspection vehicle (14) is slidably connected to the longitudinal slide rail (19).
7. The bridge fire inspection device according to claim 6, characterized in that: The rail inspection vehicle (14) comprises a lifting platform (15), a monitoring device and an inspection controller (18); the monitoring device and the inspection controller (18) are arranged on the top of the lifting platform (15); the bottom of the lifting platform (15) is slidably connected to a longitudinal slide rail (19) via a sliding roller (21); the inspection controller (18) is electrically connected to the lifting platform (15), the monitoring device and the sliding roller (21), and is wirelessly connected to a monitoring center.
Citation Information
Patent Citations
Large-span bridge fire extinguishing system
CN209967484U