CN219738263U - Fireproof early warning device based on infrared thermal imaging - Google Patents
Fireproof early warning device based on infrared thermal imaging Download PDFInfo
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- CN219738263U CN219738263U CN202321015350.6U CN202321015350U CN219738263U CN 219738263 U CN219738263 U CN 219738263U CN 202321015350 U CN202321015350 U CN 202321015350U CN 219738263 U CN219738263 U CN 219738263U
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- 239000000463 material Substances 0.000 claims abstract description 6
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- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model discloses a fireproof early warning device based on infrared thermal imaging, which comprises a front cover and a rear cover, wherein a circuit board is arranged in a space formed by the front cover and the rear cover, an infrared sensor window is arranged in the middle of the front cover, an infrared sensor is positioned at the infrared sensor window, a glass cover plate is arranged at the infrared sensor window of the front cover, a terminal interface is arranged at the outer end of the rear cover, and the front cover, the circuit board and the rear cover are fixedly connected through screws; when in use, the surface provided with the infrared sensor window faces to the position for monitoring the fire. According to the utility model, when the early warning problem of the fire in the small space area is solved, the initial position of the fire can be determined by utilizing the array imaging characteristics of infrared thermal imaging, meanwhile, the internal structure is protected by adopting the flame retardant material, the initial condition of the fire can be collected in real time, early warning is performed in time, and the property loss is reduced to the greatest extent.
Description
Technical Field
The utility model relates to the technical field of fireproof early warning, in particular to a fireproof early warning device based on infrared thermal imaging.
Background
Currently, in small space areas, the fire sensing devices applied to fire protection are several of the following: the smoke sensor realizes fire prevention by monitoring the concentration of smoke, and the temperature sensor realizes fire prevention by monitoring the ambient temperature, but both the smoke sensor needs to burn the fire of objects to a certain degree and smoke can be generated during combustion to detect the fire; flame sensors achieve fire protection by monitoring the flame thermal radiation spectrum, but flame sensors cannot determine the specific direction of a fire point within a monitored range.
Aiming at the problems, the alarm device for accurately and timely determining the fire triggering position becomes a technical problem which needs to be solved by people.
Disclosure of Invention
Aiming at the technical problems in the related art, the utility model provides a fireproof early warning device based on infrared thermal imaging, which can overcome the defects in the prior art.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the fireproof early warning device based on infrared thermal imaging comprises a front cover and a rear cover, wherein a circuit board is arranged in a space formed by the front cover and the rear cover, an infrared sensor window is arranged in the middle of the front cover, an infrared sensor is positioned at the infrared sensor window, a glass cover plate is arranged at the infrared sensor window of the front cover, a terminal interface is arranged at the outer end of the rear cover, and the front cover, the circuit board and the rear cover are fixedly connected through screws; when in use, the surface provided with the infrared sensor window faces to the position for monitoring the fire.
Further, the outer end of the circuit board is provided with a through groove.
Further, the screw penetrates the groove.
Further, the rear cover is provided with a step surface lower than the rear cover,
further, the terminal interface is located on the stepped surface.
Further, the circuit board comprises a fire early warning module and an infrared thermal imaging module.
Further, the front cover and the rear cover are made of flame retardant materials.
The utility model has the beneficial effects that: according to the utility model, when the early warning problem of the fire in the small space area is solved, the initial position of the fire can be determined by utilizing the array imaging characteristics of infrared thermal imaging, meanwhile, the internal structure is protected by adopting the flame retardant material, the initial condition of the fire can be collected in real time, early warning is performed in time, and the property loss is reduced to the greatest extent.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a fire protection pre-warning device based on infrared thermal imaging according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a front shell structure of a fire protection early warning device based on infrared thermal imaging according to an embodiment of the utility model;
FIG. 3 is a schematic view of a rear housing structure of a fire protection pre-warning device based on infrared thermal imaging according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of an infrared thermal imaging fire prevention early warning device based on an infrared thermal imaging fire prevention early warning device according to an embodiment of the utility model;
in the figure: 1. a front cover; 2. a rear cover; 3. a circuit board; 4. an infrared sensor window; 5. a glass cover sheet; 6. a terminal interface; 7. a screw; 8. a groove; 9. a stepped surface.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
As shown in fig. 1-3, the fireproof early warning device based on infrared thermal imaging according to the embodiment of the utility model comprises a front cover 1 and a rear cover 2, wherein a circuit board 3 is arranged in a space formed by the front cover 1 and the rear cover 2, an infrared sensor window 4 is arranged in the middle of the front cover 1, the infrared sensor is positioned at the infrared sensor window 4, a glass cover plate 5 is arranged at the infrared sensor window 4 of the front cover 1, a terminal interface 6 is arranged at the outer end of the rear cover 2, and the front cover 1, the circuit board 3 and the rear cover 2 are fixedly connected through screws 7; in use, the face provided with the infrared sensor window 4 faces the position for monitoring the fire.
Further, the outer end of the circuit board 3 is provided with a through groove 8.
Further, the screw 7 penetrates the groove 8.
Further, the rear cover 2 is provided with a step surface 9 lower than the rear cover 2,
further, the terminal interface 6 is located on the stepped surface 9.
Further, the circuit board 3 comprises a fire early warning module and an infrared thermal imaging module.
Further, the front cover 1 and the rear cover 2 are made of flame retardant materials.
In order to facilitate understanding of the above technical solutions of the present utility model, the following describes the above technical solutions of the present utility model in detail by a specific usage manner.
When the device is particularly used, the infrared thermal imaging-based fireproof early warning device is composed of a power supply module, a fire disaster early warning module, a communication module and an infrared thermal imaging module.
The power supply module adopts a high-precision power supply conversion chip, and a fuse, a transient suppression diode, a piezoresistor, a reverse protection diode and a capacitor filtering measure are added at the power supply input end, so that the malfunction caused by electrostatic discharge effect, surge and noise of a switching power supply can be effectively prevented, and the output end adopts a bidirectional TVS tube and a double filtering measure, so that a rear end connecting device is effectively protected;
the fire early warning module adopts a 32-bit high-performance MCU, the highest frequency can reach 72Mhz, the infrared thermal imaging module is connected with the MCU through IIC communication, the data transmitted by infrared thermal imaging can be received in real time, the data are identified through a special image algorithm, the data reach a threshold value, on one hand, a relay connected with an IO port is directly driven, early warning information is sent, on the other hand, remote warning is carried out through a connected wired communication module or a wireless communication module, historical data records can be uploaded, and the important fire prevention point can be known in advance.
The infrared thermal imaging fireproof early warning device is fixed by using the mounting screw, the front face of the infrared thermal imaging fireproof early warning device faces to the position to be monitored for fire conditions, monitored data are transmitted to the remote receiving module through the communication interface by each array point data of the infrared thermal imaging, and information such as initial fire points, fire condition spreading speed and the like can be analyzed according to the data, so that relevant preventive measures can be conveniently carried out on site.
Adopt fire-retardant shell buckle design to it is fixed to infrared thermal imaging mainboard, avoid signal interference, infrared thermal imaging module and early warning module layering design, avoid signal interference, the thermal imaging window adopts transparent optical lens design, guarantees the scope of monitoring area, and at the design of shell rear intensive heat dissipation hole, prevent that the device from generating heat and causing the interference, the rear is drawn forth the socket and is adopted plug-in hasp to prevent slow-witted design, avoids pencil misconnection, arouses equipment damage.
The thermal imaging early warning module circuit adopts a DC24V power supply design, and protection measures such as transient suppression, polarity reversal and the like are added at the power supply module to prevent the module from being damaged due to power supply misconnection; the power supply is connected with the accurate voltage reduction chip, voltage is provided for the core MCU and the infrared thermal imaging module, the infrared thermal imaging module is connected to the MCU in a communication mode, monitored data information is transmitted to the MCU, the MCU performs data analysis according to a related acquisition algorithm, the relay is driven to generate an alarm signal, the history information are transmitted to an upper computer and other control systems in a wired or wireless mode through a communication interface, and a remote early warning function of a fire condition is realized.
In summary, by means of the technical scheme, when the early warning problem of the fire in the small space area occurs, the array imaging characteristics of infrared thermal imaging can be utilized to determine the initial position of the fire, meanwhile, the flame-retardant material is adopted to protect the internal structure, the initial condition of the fire can be collected in real time, early warning is performed in time, and the property loss is reduced to the greatest extent.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a fire prevention early warning device based on infrared thermal imaging, includes protecgulum (1) and back lid (2), be equipped with circuit board (3) in protecgulum (1) with back lid (2) formation space, the middle part of protecgulum (1) is equipped with infrared sensor window (4), infrared sensor is located infrared sensor window (4) department, protecgulum (1) is in infrared sensor window (4) department is equipped with glass cover plate (5), the outer end of back lid (2) is equipped with terminal interface (6), protecgulum (1) circuit board (3) and back lid (2) pass through screw (7) fixed connection; when in use, the surface provided with the infrared sensor window (4) faces to the position for monitoring the fire.
2. The infrared thermal imaging-based fireproof early warning device according to claim 1, characterized in that the outer end of the circuit board (3) is provided with a through groove (8).
3. The infrared thermal imaging based fire protection pre-warning device according to claim 2, characterized in that the screw (7) penetrates the recess (8).
4. The infrared thermal imaging-based fireproof early warning device according to claim 1, characterized in that the rear cover (2) is provided with a step surface (9) lower than the rear cover (2).
5. The infrared thermal imaging based fire protection pre-warning device according to claim 4, characterized in that the terminal interface (6) is located on the stepped surface (9).
6. The infrared thermal imaging based fire protection pre-warning device according to any one of claims 1 to 5, characterized in that the circuit board (3) comprises a fire pre-warning module and an infrared thermal imaging module.
7. The infrared thermal imaging-based fireproof early warning device according to any one of claims 1 to 5, wherein the front cover (1) and the rear cover (2) are made of flame-retardant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321015350.6U CN219738263U (en) | 2023-04-28 | 2023-04-28 | Fireproof early warning device based on infrared thermal imaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321015350.6U CN219738263U (en) | 2023-04-28 | 2023-04-28 | Fireproof early warning device based on infrared thermal imaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219738263U true CN219738263U (en) | 2023-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321015350.6U Active CN219738263U (en) | 2023-04-28 | 2023-04-28 | Fireproof early warning device based on infrared thermal imaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219738263U (en) |
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2023
- 2023-04-28 CN CN202321015350.6U patent/CN219738263U/en active Active
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