CN216305768U - Multifunctional fire extinguishing window device - Google Patents
Multifunctional fire extinguishing window device Download PDFInfo
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- CN216305768U CN216305768U CN202121664759.1U CN202121664759U CN216305768U CN 216305768 U CN216305768 U CN 216305768U CN 202121664759 U CN202121664759 U CN 202121664759U CN 216305768 U CN216305768 U CN 216305768U
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Abstract
The utility model discloses a multifunctional fire extinguishing window device which comprises a flange mounting body, a module, an audible and visual alarm and an automatic fire extinguisher interface valve, wherein the flange mounting body is provided with a flange mounting hole; the control module comprises a controller, a control switch and a fire detector, the control switch and the fire detector are respectively connected with the controller, and the control switch is used for generating a switch instruction and sending the switch instruction to the controller; the fire detector detects fire information of the internal space of the closed equipment and sends the fire information to the controller, the controller produces control information according to the fire information and sends the control information to the audible and visual alarm and the automatic fire extinguisher interface valve, the audible and visual alarm operates to give out alarm sound and alarm flashing, and meanwhile, a valve port of the automatic fire extinguisher interface valve is opened to carry out automatic fire extinguishing and fire fighting work; this multi-functional fire extinguishing window device adopts flange mounting, can't additionally install extinguishing device, can play the effect of automatic fire extinguishing and warning suggestion, and the integrated level is high, the installation of being convenient for, factor of safety is high.
Description
Technical Field
The utility model relates to the technical field of fire fighting equipment, in particular to a multifunctional fire extinguishing window device.
Background
A fire refers to a disaster caused by combustion that is out of control in time or space. In the new standard, fire is defined as combustion that is out of control in time or space. Among the various disasters, fire is one of the main disasters that threaten public safety and social development most often and most generally.
The existing fire detection and fire extinguishing device in the space of the closed equipment is carried out in a post-installation mode, namely, the fire detection and fire extinguishing device is realized by carrying out on-site manufacturing and processing on the external structure of the space of the closed equipment, such as opening, equipment installation, opening sealing treatment and the like. The disadvantages are: the fire detection and fire extinguishing device is installed on site, so that the time consumption is long, the fire is easy to spread, and the fire cannot be timely rescued.
In view of this, it is desirable to provide a fire fighting device to solve the problem of long time consumption in installing a fire detection and extinguishing device on site in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multifunctional fire extinguishing window device to solve the technical problems.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a multi-functional fire suppression window arrangement, comprising: the flange mounting body, and a control module, an audible and visual alarm and an automatic fire extinguisher interface valve which are mounted on the flange mounting body;
the control module comprises a controller, a control switch and a fire detector, the control switch and the fire detector are respectively connected with the controller, and the control switch is used for generating a switch instruction and sending the switch instruction to the controller;
the fire detector is penetratingly arranged on the flange mounting body, a detection end of the fire detector is exposed out of the rear end face of the flange mounting body, and the fire detector is used for detecting fire information and sending the fire information to the controller;
the audible and visual alarm and the automatic fire extinguisher interface valve are respectively connected with the controller, and the controller is used for controlling the audible and visual alarm and the automatic fire extinguisher interface valve to operate according to the fire information and the switching instruction.
Optionally, the control switch includes a first switch button, a second switch button and a driving mechanism, and the first switch button is mounted on the front end surface of the flange mounting body;
the second switch button is arranged on the rear end face of the flange mounting body, the driving mechanism is arranged on one side of the second switch button, and the driving mechanism is used for pressing the second switch button;
the driving mechanism comprises a shell, a cavity is arranged in the shell, an air inlet communicated with the cavity is formed in one end face of the shell, and a carbon dioxide sealing bottle is mounted on the air inlet;
an air outlet communicated with the cavity is formed in the side wall of the shell, and the air outlet is opposite to the second switch button;
a piercing guide rod matched with the cavity is connected in the cavity in a sliding mode, an elastic piece is arranged at one end, far away from the air inlet, of the cavity, the first end of the elastic piece is connected with the piercing guide rod, and the second end of the elastic piece is connected with the inner side wall of the shell;
the piercing guide rod is provided with a clamping groove, a steel ball is arranged in the clamping groove, a temperature sensing glass assembly is arranged on the shell corresponding to the clamping groove, and the temperature sensing glass assembly is abutted to the steel ball.
Optionally, a through hole is formed in the shell corresponding to the clamping groove, a glass body frame is installed in the through hole, and the temperature sensing glass assembly is installed in the glass body frame;
the temperature sensing glass assembly comprises a push block and a temperature sensing glass ball, wherein the first end of the push block is abutted against the steel ball, and the second end of the push block is abutted against the temperature sensing glass ball;
one end of the temperature sensing glass ball extends out of the glass body frame, the extending end of the temperature sensing glass ball is connected with a motor electrically connected with the controller, and the motor is used for crushing the temperature sensing glass ball.
Optionally, the piercing guide rod comprises a sliding rod and a piercing rod, the sliding rod is slidably connected in the cavity, the piercing rod is arranged at one end of the sliding rod, which is close to the air outlet, and the piercing rod is used for piercing the carbon dioxide sealed bottle;
the piercing rod is a hollow rod body, and one end face of the piercing rod, which is close to the air outlet, is an oblique conical surface;
the carbon dioxide sealing bottle comprises a bottle body, the bottle body is provided with an opening, the opening is hermetically provided with a puncturing film, and the puncturing film is right opposite to the puncturing rod.
Optionally, the fire detector comprises:
the infrared camera is used for detecting temperature and generating temperature data;
a flame detector for detecting a flame and generating flame data;
the video camera is used for shooting video data;
a smoke detector for detecting smoke detection data;
the fire information includes the temperature data, the flame data, the video data, and the smoke sensation data.
Optionally, the audible and visual alarm comprises an audible and visual alarm shell, and an LED alarm lamp, an LED alarm display screen and an alarm horn which are mounted on the audible and visual alarm shell;
the LED alarm lamp, the LED alarm display screen and the alarm horn are respectively connected with the controller.
Optionally, the flange mounting body is provided with an observation window and a manual fire extinguisher butt joint, and transparent glass is mounted in the observation window;
the flange mounting body is provided with a mounting seat, the mounting seat is provided with a temperature display assembly, the temperature display assembly comprises a temperature measuring instrument and a digital display screen, and a measuring end of the temperature measuring instrument extends into the rear end face of the flange mounting body;
the thermometer is electrically connected with the digital display screen, and the digital display screen is used for displaying the measured temperature of the thermometer.
Optionally, the flange mounting structure further comprises a sealing gasket, and the sealing gasket is fittingly arranged on the outer side wall of the flange mounting body.
Compared with the prior art, the utility model has the following beneficial effects: the flange mounting body is mounted in a flange mounting hole in the side wall of the closed equipment in advance, the fire detector detects fire information of the inner space of the closed equipment and sends the fire information to the controller, the controller produces control information according to the fire information and sends the control information to the audible and visual alarm and the automatic fire extinguisher interface valve, the audible and visual alarm operates to give out alarm sound and alarm flash, and meanwhile, a valve port of the automatic fire extinguisher interface valve is opened to perform automatic fire extinguishing and fire fighting work; this multi-functional fire extinguishing window device adopts flange mounting, can't additionally install extinguishing device, can play the effect of automatic fire extinguishing and warning suggestion, and the integrated level is high, the installation of being convenient for, factor of safety is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
The structure, proportion, size and the like shown in the drawings are only used for matching with the content disclosed in the specification, so that the person skilled in the art can understand and read the description, and the description is not used for limiting the limit condition of the implementation of the utility model, so the method has no technical essence, and any structural modification, proportion relation change or size adjustment still falls within the scope of the technical content disclosed by the utility model without affecting the effect and the achievable purpose of the utility model.
Fig. 1 is a front view structure diagram of the multifunctional fire extinguishing window device.
Fig. 2 is a schematic structural view of a driving mechanism and a second switch button of the multifunctional fire extinguishing window device.
Illustration of the drawings: the fire extinguisher comprises a flange mounting body 1, an audible and visual alarm 3, an automatic fire extinguisher interface valve 4, a controller 2, a control switch 5, a fire detector 6, an observation window 7, a manual fire extinguisher butt joint 8, a mounting seat 9, a first switch button 10, a second switch button 11, a driving mechanism 12, a shell 13, a cavity 14, an air inlet 15, a carbon dioxide sealing bottle 16, an elastic part 17, a clamping groove 18, a steel ball 19, a glass body frame 20, a push block 21, a temperature sensing glass ball 22, a sliding rod 23, a piercing rod 24 and an air outlet.
Detailed Description
In order to make the objects, features and advantages of the present invention more apparent and understandable, the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings, and it is to be understood that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
The embodiment of the utility model provides a multifunctional fire extinguishing window device, which comprises: the flange mounting device comprises a flange mounting body 1, and a control module, an audible and visual alarm 3 and an automatic fire extinguisher interface valve 4 which are mounted on the flange mounting body 1; the automatic fire extinguisher port valve 4 is in butt joint with a pipeline of an automatic fire extinguisher, and when the automatic fire extinguisher port valve 4 is opened, fire extinguishing materials in the pipeline can be sprayed out from the automatic fire extinguisher port valve 4, so that the automatic fire extinguishing function is realized.
The control module comprises a controller 2, a control switch 5 and a fire detector 6, the control switch 5 and the fire detector 6 are respectively connected with the controller 2, and the control switch 5 is used for generating a switch instruction and sending the switch instruction to the controller 2;
the fire detector 6 is penetratingly mounted on the flange mounting body 1, a detection end of the fire detector is exposed out of a rear end face of the flange mounting body 1, and the fire detector 6 is used for detecting fire information and sending the fire information to the controller 2;
the audible and visual alarm 3 and the automatic fire extinguisher interface valve 4 are respectively connected with the controller 2, and the controller 2 is used for controlling the audible and visual alarm 3 and the automatic fire extinguisher interface valve 4 to operate according to the fire information and the switch instruction.
The working principle of the utility model is as follows: the flange mounting body 1 is mounted in a flange mounting hole in the side wall of the closed equipment in advance, the fire detector 6 detects fire information of the inner space of the closed equipment and sends the fire information to the controller 2, the controller 2 produces control information according to the fire information and sends the control information to the audible and visual alarm 3 and the automatic fire extinguisher interface valve 4, the audible and visual alarm 3 operates to give out alarm sound and alarm flash, and meanwhile, a valve port of the automatic fire extinguisher interface valve 4 is opened to perform automatic fire extinguishing and fire fighting work; compare in the extinguishing device among the prior art, this multi-functional fire extinguishing window device adopts flange mounting, can't additionally install extinguishing device, can play the effect of automatic fire extinguishing and warning suggestion, and the integrated level is high, the installation of being convenient for, and factor of safety is high.
In the present embodiment, the control switch 5 includes a first switch button 10, a second switch button 11 and a driving mechanism 12, the first switch button 10 is mounted on the front end surface of the flange mounting body 1;
it is to be understood that: install shift knob respectively on the preceding terminal surface of flange installation body 1 and the rear end face, wherein, first shift knob 10 is used for supplying the user operation to start each fire-fighting equipment, and second shift knob 11 sets up in the inner space, corresponds with actuating mechanism 12 as follows, the emergency drive of being convenient for.
The second switch button 11 is mounted on the rear end face of the flange mounting body 1, the driving mechanism 12 is disposed on one side of the second switch button 11, and the driving mechanism 12 is used for pressing the second switch button 11;
the driving mechanism 12 comprises a shell 13, a cavity 14 is arranged in the shell 13, an air inlet 15 communicated with the cavity 14 is formed in one end face of the shell 13, and a carbon dioxide sealing bottle 16 is installed on the air inlet 15;
an air outlet 25 communicated with the cavity 14 is formed in the side wall of the shell 13, and the air outlet 25 is opposite to the second switch button 11;
a piercing guide rod matched with the cavity 14 is slidably connected in the cavity 14, an elastic part 17 is arranged at one end of the cavity 14 far away from the air inlet 15, a first end of the elastic part 17 is connected with the piercing guide rod, and a second end of the elastic part 17 is connected with the inner side wall of the shell 13;
the piercing guide rod is provided with a clamping groove 18, a steel ball 19 is arranged in the clamping groove 18, and a temperature sensing glass assembly is arranged on the shell 13 corresponding to the clamping groove 18 and is abutted against the steel ball 19.
In normal conditions, the temperature sensing glass assembly pushes the steel balls 19 to be clamped and connected in the clamping groove 18, so that the piercing guide rod is limited, the elastic piece 17 is stressed to be in a compressed state, and the driving device is in a non-starting state; when a fire disaster occurs, the temperature sensing glass assembly senses that the temperature change exceeds a preset value, the temperature sensing glass assembly is heated and broken, the steel balls 19 are separated from the clamping groove 18, the elastic piece 17 is elastically reset to push the piercing guide rod to slide towards the direction close to the carbon dioxide sealing bottle 16, the piercing guide rod pierces the carbon dioxide sealing bottle 16, carbon dioxide in the carbon dioxide sealing bottle 16 is sprayed out along the cavity 14 from the gas outlet 25, and the gas outlet 25 provides a gas driving force to press the second switch button 11.
The advantages of this embodiment are: the emergency driving device can operate under the condition of fire, plays a good role in emergency driving, cannot fail, and is high in safety factor. Meanwhile, the breaking sound of the temperature sensing glass component can play a role in alarming. And the carbon dioxide gas can be directly sprayed into the closed space, so that the local fire-fighting effect is achieved; for example, a fire disaster occurs in a space near the flange mounting body 1, and carbon dioxide gas can be used for primary fire fighting, so that each device on the flange mounting body 1 can be ensured to normally operate.
Specifically, a through hole is formed in the housing 13 at a position corresponding to the clamping groove 18, a glass body frame 20 is installed in the through hole, and the temperature sensing glass assembly is installed in the glass body frame 20;
the temperature sensing glass component comprises a push block 21 and a temperature sensing glass ball 22, wherein the first end of the push block 21 is abutted with the steel ball 19, and the second end of the push block 21 is abutted with the temperature sensing glass ball;
one end of the temperature sensing glass ball extends out of the glass body frame 20, and the extending end of the temperature sensing glass ball is connected with a motor electrically connected with the controller 2, wherein the motor is used for crushing the temperature sensing glass ball. The controller 2 may control the operation of the motor such that the motor can operate
In normal conditions, the push block 21 pushes the steel ball 19 to be clamped and connected in the clamping groove 18, and the piercing guide rod does not run; when the temperature sensing glass ball 22 is heated and broken, the pushing block 21 can downwardly extrude fragments of the temperature sensing glass ball 22 under the action of gravity, the steel balls 19 can fall from the clamping groove 18, and the piercing guide rod is started.
Further, the piercing guide rod comprises a sliding rod 23 and a piercing rod 24, the sliding rod 23 is slidably connected in the cavity 14, the piercing rod 24 is arranged at one end of the sliding rod 23 close to the air outlet 25, and the piercing rod 24 is used for piercing the carbon dioxide sealed bottle 16;
in order to ensure the sealing performance of the cavity 14, the sliding rod 23 is connected with the inner side wall of the shell 13 in a sliding manner in a sealing manner, so that the air tightness in the cavity 14 is ensured, and when the carbon dioxide sealed bottle 16 is broken, carbon dioxide gas cannot overflow from a gap between the sliding rod 23 and the inner side wall of the shell 13, so that the pressure value of the gas sprayed out from the gas outlet 25 can be ensured.
The piercing rod 24 is a hollow rod body, and one end face of the piercing rod 24 close to the air outlet 25 is an oblique conical surface;
the oblique conical surface is convenient for pierce through carbon dioxide sealed bottle 16, the cavity body of rod can play the effect of water conservancy diversion, and the guide carbon dioxide gas blowout, and a plurality of breach is seted up to the lateral part of piercing rod 24, the breach makes carbon dioxide gas can follow the breach flows out, avoids piercing rod 24 to pierce during carbon dioxide sealed bottle 16, the piercing hole is too little, the unable condition of flowing out of gas.
The carbon dioxide sealed bottle 16 includes a body provided with an opening sealingly provided with a piercing membrane facing the piercing rod 24.
In the present embodiment, the fire detector 6 includes:
the infrared camera is used for detecting temperature and generating temperature data;
a flame detector for detecting a flame and generating flame data;
the video camera is used for shooting video data;
a smoke detector for detecting smoke detection data;
the fire information includes the temperature data, the flame data, the video data, and the smoke sensation data. And when the flame data and the smoke sensation data are larger than 0 value, preliminarily judging that a fire disaster condition occurs, wherein the higher the concentration of the fire disaster condition is, the more serious the fire disaster condition is.
In this embodiment, the audible and visual alarm 3 includes an audible and visual alarm housing, and an LED alarm lamp, an LED alarm display screen, and an alarm horn mounted on the audible and visual alarm housing;
the LED alarm lamp, the LED alarm display screen and the alarm horn are respectively connected with the controller 2.
In this embodiment, the flange mounting body 1 is provided with an observation window 7 and a manual fire extinguisher butt joint port 8, and transparent glass is mounted in the observation window 7; the flange mounting body 1 is provided with a mounting seat 9, the mounting seat 9 is provided with a temperature display assembly, the temperature display assembly comprises a temperature measuring instrument and a digital display screen, and a measuring end of the temperature measuring instrument extends into the rear end face of the flange mounting body 1;
the thermometer is electrically connected with the digital display screen, and the digital display screen is used for displaying the measured temperature of the thermometer.
The observation window 7 is convenient for a user to observe the condition of the inner space, and is combined with the temperature displayed on the digital display screen to judge whether a fire really occurs or not, and a manual fire extinguisher is inserted into the interface 8 through the manual fire extinguisher, and after the manual fire extinguisher is started, the inner space is subjected to manual fire fighting and extinguishment. When control module and automatic fire extinguisher became invalid, the manual fire control was carried out to the accessible manual fire extinguisher, provides the effect of dual fail-safe.
In this embodiment, the flange mounting structure further comprises a sealing gasket, wherein the sealing gasket is fittingly arranged on the outer side wall of the flange mounting body 1. When the flange mounting body 1 is mounted in the flange mounting hole of the side wall of the closed equipment, the sealing gasket plays a role of sealing.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A multi-functional fire extinguishing window device, its characterized in that includes: the flange mounting body, and a control module, an audible and visual alarm and an automatic fire extinguisher interface valve which are mounted on the flange mounting body;
the control module comprises a controller, a control switch and a fire detector, the control switch and the fire detector are respectively connected with the controller, and the control switch is used for generating a switch instruction and sending the switch instruction to the controller;
the fire detector is penetratingly arranged on the flange mounting body, a detection end of the fire detector is exposed out of the rear end face of the flange mounting body, and the fire detector is used for detecting fire information and sending the fire information to the controller;
the audible and visual alarm and the automatic fire extinguisher interface valve are respectively connected with the controller, and the controller is used for controlling the audible and visual alarm and the automatic fire extinguisher interface valve to operate according to the fire information and the switching instruction.
2. The multi-functional fire suppression window apparatus of claim 1, wherein the control switch comprises a first switch button, a second switch button and a driving mechanism, the first switch button being mounted on a front end surface of the flange-mounted body;
the second switch button is arranged on the rear end face of the flange mounting body, the driving mechanism is arranged on one side of the second switch button, and the driving mechanism is used for pressing the second switch button;
the driving mechanism comprises a shell, a cavity is arranged in the shell, an air inlet communicated with the cavity is formed in one end face of the shell, and a carbon dioxide sealing bottle is mounted on the air inlet;
an air outlet communicated with the cavity is formed in the side wall of the shell, and the air outlet is opposite to the second switch button;
a piercing guide rod matched with the cavity is connected in the cavity in a sliding mode, an elastic piece is arranged at one end, far away from the air inlet, of the cavity, the first end of the elastic piece is connected with the piercing guide rod, and the second end of the elastic piece is connected with the inner side wall of the shell;
the piercing guide rod is provided with a clamping groove, a steel ball is arranged in the clamping groove, a temperature sensing glass assembly is arranged on the shell corresponding to the clamping groove, and the temperature sensing glass assembly is abutted to the steel ball.
3. The multifunctional fire extinguishing window device according to claim 2, wherein a through hole is formed in the housing at a position corresponding to the clamping groove, a glass body frame is installed in the through hole, and the temperature sensing glass assembly is installed in the glass body frame;
the temperature sensing glass assembly comprises a push block and a temperature sensing glass ball, wherein the first end of the push block is abutted against the steel ball, and the second end of the push block is abutted against the temperature sensing glass ball;
one end of the temperature sensing glass ball extends out of the glass body frame, the extending end of the temperature sensing glass ball is connected with a motor electrically connected with the controller, and the motor is used for crushing the temperature sensing glass ball.
4. The multi-functional fire suppression window apparatus of claim 3, wherein the piercing guide comprises a sliding rod slidably connected within the cavity and a piercing rod disposed on an end of the sliding rod proximate to the air outlet, the piercing rod for piercing the carbon dioxide sealed cylinder;
the piercing rod is a hollow rod body, and one end face of the piercing rod, which is close to the air outlet, is an oblique conical surface;
the carbon dioxide sealing bottle comprises a bottle body, the bottle body is provided with an opening, the opening is hermetically provided with a puncturing film, and the puncturing film is right opposite to the puncturing rod.
5. The multifunctional fire suppression window apparatus of claim 1, wherein the fire detector comprises:
the infrared camera is used for detecting temperature and generating temperature data;
a flame detector for detecting a flame and generating flame data;
the video camera is used for shooting video data;
a smoke detector for detecting smoke detection data;
the fire information includes the temperature data, the flame data, the video data, and the smoke sensation data.
6. The multifunctional fire extinguishing window device according to claim 1, wherein the audible and visual alarm comprises an audible and visual alarm housing, and an LED alarm lamp, an LED alarm display screen and an alarm horn mounted on the audible and visual alarm housing;
the LED alarm lamp, the LED alarm display screen and the alarm horn are respectively connected with the controller.
7. The multifunctional fire extinguishing window device according to claim 1, wherein an observation window and a manual fire extinguisher butt joint are formed in the flange mounting body, and transparent glass is installed in the observation window;
the flange mounting body is provided with a mounting seat, the mounting seat is provided with a temperature display assembly, the temperature display assembly comprises a temperature measuring instrument and a digital display screen, and a measuring end of the temperature measuring instrument extends into the rear end face of the flange mounting body;
the thermometer is electrically connected with the digital display screen, and the digital display screen is used for displaying the measured temperature of the thermometer.
8. The multifunctional fire suppression window device according to claim 1, further comprising a gasket, wherein the gasket is fittingly disposed on an outer sidewall of the flange mounting body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121664759.1U CN216305768U (en) | 2021-07-21 | 2021-07-21 | Multifunctional fire extinguishing window device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121664759.1U CN216305768U (en) | 2021-07-21 | 2021-07-21 | Multifunctional fire extinguishing window device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216305768U true CN216305768U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121664759.1U Active CN216305768U (en) | 2021-07-21 | 2021-07-21 | Multifunctional fire extinguishing window device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216305768U (en) |
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2021
- 2021-07-21 CN CN202121664759.1U patent/CN216305768U/en active Active
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