CN217357162U - Fire-extinguishing air conditioner - Google Patents

Fire-extinguishing air conditioner Download PDF

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Publication number
CN217357162U
CN217357162U CN202220795554.5U CN202220795554U CN217357162U CN 217357162 U CN217357162 U CN 217357162U CN 202220795554 U CN202220795554 U CN 202220795554U CN 217357162 U CN217357162 U CN 217357162U
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China
Prior art keywords
air conditioner
fire
carbon dioxide
nozzle
liquid carbon
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Active
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CN202220795554.5U
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Chinese (zh)
Inventor
崔凯
郝本华
高寒
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Qingdao Haier Air Conditioning Electric Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN202220795554.5U priority Critical patent/CN217357162U/en
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  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The utility model relates to an air conditioner technical field provides a fire extinguishing air conditioner, include: the internal machine is internally provided with a control end; the smoke detector alarm is connected with the control end; the fire extinguishing device comprises a liquid carbon dioxide bottle and a nozzle, wherein a containing cavity for containing liquid carbon dioxide is arranged in the liquid carbon dioxide bottle, the nozzle is communicated with the containing cavity, a valve for opening and closing the nozzle is arranged on the nozzle, and the valve is connected with the control end. The utility model provides an air conditioner of putting out a fire can carry out effectual processing of putting out a fire to the condition of a fire, has ensured user's personal or property safety.

Description

Fire-extinguishing air conditioner
Technical Field
The utility model relates to an air conditioner technical field especially relates to an air conditioner of putting out a fire.
Background
With the development of society, the living standard of people is continuously improved, the air conditioner becomes the electrical equipment essential in daily life of people, and the air conditioner can meet the requirements of people on the surrounding environment by adjusting and controlling the parameters of temperature, humidity, flow rate and the like of the ambient air in a building or a structure.
In the prior art, in order to avoid the indoor fire, a corresponding fire monitoring device is arranged on the air conditioner, and the fire monitoring device can monitor the indoor risk of the fire or the indoor condition of the naked fire and send out warning prompts to users so as to avoid personal or property safety of the users.
However, the existing air conditioner can only monitor the fire, and cannot perform corresponding fire extinguishing treatment in time under the condition that the risk of fire or open fire occurs indoors, and the personal or property safety of users is still easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air conditioner of putting out a fire for under the indoor risk that takes place the condition of a fire or the condition of taking place naked light, can't in time carry out the defect of corresponding processing of putting out a fire among the solution prior art, realize protecting user's person or property safety.
The utility model provides a fire extinguishing air conditioner, include:
the internal machine is internally provided with a control end;
the smoke detector alarm is connected with the control end;
the fire extinguishing device comprises a liquid carbon dioxide bottle and a nozzle, wherein a containing cavity for containing liquid carbon dioxide is arranged in the liquid carbon dioxide bottle, the nozzle is communicated with the containing cavity, a valve for opening and closing the nozzle is arranged on the nozzle, and the valve is connected with the control end.
According to the utility model provides a pair of air conditioner puts out a fire, extinguishing device locates the bottom of interior machine, the shower nozzle orientation deviates from the direction extension of interior machine is arranged.
According to the utility model provides a pair of air conditioner puts out a fire, the bottom of interior machine has the installation cavity, extinguishing device locates in the installation cavity, the casing of interior machine has the mounting hole, the mounting hole communicate in the installation cavity, the shower nozzle is worn to locate the mounting hole.
According to the utility model provides a pair of air conditioner puts out a fire, the bottom of interior machine has the mounting groove, the interior machine still is equipped with rotationally installs the door, installation door closing cap in the mounting groove is in order to form the installation cavity, the mounting hole is located installation door department.
According to the utility model provides a pair of fire extinguishing air conditioner, the shower nozzle includes fixed part, movable part and nozzle, the fixed part connect in liquid carbon dioxide bottle, the movable part is movably located the fixed part, the nozzle is located the movable part is kept away from the tip of liquid carbon dioxide bottle, the valve is located fixed part department.
According to the utility model provides a fire extinguishing air conditioner, the movable part comprises a first rotating part and a second rotating part, the first rotating part is provided with a first rotating shaft extending away from the liquid carbon dioxide bottle, the first rotating part extends and is arranged along the direction away from the liquid carbon dioxide bottle, the first rotating part is rotatably arranged on the fixed part, and the first rotating part rotates around the first rotating shaft;
the end part of the first rotating part far away from the liquid carbon dioxide bottle is provided with a second rotating shaft which is not parallel to the first rotating shaft, the second rotating part is rotatably arranged at the end part of the second rotating part, the second rotating part winds the second rotating shaft to rotate, and the nozzle is arranged on the second rotating part.
According to the utility model provides a pair of fire extinguishing air conditioner, extinguishing device still includes first driving piece and second driving piece, first driving piece with the second driving piece all with the control end is connected, first driving piece drive first rotation portion winds first pivot is rotated, the drive of second driving piece second rotation portion winds the second pivot is rotated.
According to the utility model provides a pair of air conditioner puts out a fire still includes the exhaust fan, the exhaust fan is used for locating wall department, the one end intercommunication of exhaust fan is indoor, and the other end intercommunication is outdoor, the exhaust fan with the control end is connected.
According to the utility model provides a pair of air conditioner puts out a fire, the alarm is felt to the cigarette includes that the detector is felt to the cigarette and the warning siren is felt to the cigarette, the detector is felt to the cigarette is used for detecting indoor cigarette content, the warning siren is felt to the cigarette is used for sending out warning siren.
According to the utility model provides a pair of air conditioner puts out a fire, the smoke detector still includes the battery, the battery connect with the smoke detector reaches the smoke detector warns the calling organ.
The utility model provides an air conditioner of putting out a fire detects whether to take place the condition of a fire through the smoke detector, and under the condition that takes place the condition of a fire, the information that takes place the condition of a fire can be transmitted to the control end, and the valve through the steerable shower nozzle of control end is opened to liquid carbon dioxide bottle in the liquid carbon dioxide bottle is towards indoor release, realizes putting out a fire. Compare in the air conditioner that provides among the prior art, the utility model provides an air conditioner of putting out a fire detects under the indoor risk that takes place the condition of a fire or the condition of taking place the naked light, still can carry out effectual fire extinguishing treatment to the condition of a fire, has ensured user's personal or property safety.
Drawings
In order to illustrate the technical solutions of the present invention or the prior art more clearly, the drawings used in the following embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a fire extinguishing air conditioner according to the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
fig. 3 is a second schematic structural diagram of the fire-extinguishing air conditioner provided by the present invention.
Reference numerals:
10: an internal machine;
20: a fire extinguishing device;
21: a liquid carbon dioxide bottle;
22: a spray head;
221: a fixed part;
222: a first rotating section;
223: a second rotating part;
224: and (4) a nozzle.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
An air conditioner is used as an electrical appliance for adjusting indoor temperature and humidity, and generally comprises an inner unit and an outer unit, wherein the inner unit and the outer unit are connected through a connecting pipe, and indoor refrigeration or heating is realized through heat exchange between the inner unit and the outer unit. The indoor unit of the air conditioner can be a hanging type machine body or a vertical type machine body.
The fire extinguishing air conditioner of the present invention will be described with reference to fig. 1 to 3.
Referring to fig. 1, in an embodiment of the present invention, an air conditioner for fire extinguishing includes: an internal machine 10, a smoke detector alarm and a fire extinguishing device 20.
Wherein, a control end is arranged in the inner machine 10. The indoor unit 10 is a part of the air conditioner installed indoors, and is connected to the outdoor unit through a connecting pipe, and the control end of the indoor unit 10 is a central control element for controlling the operation of the air conditioner, such as controlling the air conditioner to start, cool or heat. In this embodiment, the indoor unit 10 is a vertical type unit, so that the fire extinguishing apparatus 20 can be better installed to realize integration, and certainly, in other embodiments, the indoor unit 10 may also be a hanging type unit, which is not described in detail.
In addition, the smoke detector alarm is connected with the control end; the smoke alarm is used for detecting whether fire occurs indoors or whether the trend of the fire occurs indoors or not, and can send judgment information to the control end through being connected with the control end so as to carry out corresponding control. In this embodiment, the smoke detector alarm may be installed at any indoor position independently of the inner unit 10, preferably, may be installed at a central position of the indoor top, and may be connected to the control end of the inner unit 10 in a wired or wireless manner. Of course, in other embodiments, the smoke detector alarm may be integrated with the internal machine 10, for example, the smoke detector alarm may be disposed at the air inlet of the internal machine 10, so that the indoor smoke condition may be known in time during the use of the air conditioner, or the smoke detector alarm may be mounted on the casing of the internal machine 10 on the side where the air outlet is disposed.
In addition, extinguishing device 20 includes liquid carbon dioxide bottle 21 and shower nozzle 22, the appearance chamber that has splendid attire liquid carbon dioxide in the liquid carbon dioxide bottle 21, shower nozzle 22 communicate in the appearance chamber, be equipped with the switching on the shower nozzle 22 the valve of shower nozzle 22, the valve with the control end is connected. The liquid carbon dioxide bottle 21 is used as a container for containing liquid carbon dioxide, and the shape is not limited, in the embodiment of the present invention, the setting position of the carbon dioxide bottle is not limited, and the carbon dioxide bottle can be independent of the inner machine 10, and can also be arranged in the inner machine 10. The nozzle 22 is used as a part for discharging carbon dioxide mist by discharging liquid carbon dioxide, and when the valve of the nozzle 22 is opened, the liquid carbon dioxide is rapidly volatilized and discharged from the nozzle 22, thereby extinguishing fire.
Here, the valve and the control end of shower nozzle 22 are connected, and this connected mode can be wired connection or wireless connection, and after the alarm was felt with the condition of a fire information transmission to the control end to the cigarette, the control end can control the valve and open to spout carbon dioxide fog through shower nozzle 22 to indoor, realize putting out a fire.
Referring to fig. 1 and 3, in an alternative embodiment of the present invention, the fire extinguishing device 20 is disposed at the bottom of the inner unit 10, and the spray head 22 extends and is disposed in a direction away from the inner unit 10.
In view of the fact that the fire source is generally located at the bottom of the indoor space when a fire occurs, the fire extinguishing apparatus 20 is disposed at the bottom of the indoor unit 10 to effectively extinguish the fire. The spray head 22 is arranged to extend in a direction away from the inner unit 10 so as to spray the carbon dioxide mist indoors. Specifically, interior machine 10 has the casing that sets up air outlet one side, and this air outlet is located the top of interior machine 10, and shower nozzle 22 is located the casing that interior machine 10 set up air outlet one side, because when placing interior machine 10, the air outlet is towards indoor the arranging, so, shower nozzle 22 also is towards indoor the arranging to effectively put out a fire.
The utility model relates to an in the concrete embodiment, the bottom of interior machine 10 has the installation cavity, extinguishing device 20 is located in the installation cavity, the casing of interior machine 10 has the mounting hole, the mounting hole communicate in the installation cavity, shower nozzle 22 wears to locate the mounting hole.
The fire extinguishing device 20 is arranged in the inner machine 10, so that the fire extinguishing device is integrated with the inner machine 10, the indoor space is saved, and the use and the transportation are convenient.
In this embodiment, in order to stably place the fire extinguishing apparatus 20, the liquid carbon dioxide bottle 21 is shaped to fit the installation cavity, and support ribs abutting against the liquid carbon dioxide bottle 21 are provided on both side walls of the installation cavity to ensure the placement position of the liquid carbon dioxide bottle. After the liquid carbon dioxide bottle 21 is stably placed in the installation cavity, the nozzle 22 penetrates through the installation hole from the installation cavity and is arranged outwards so as to spray carbon dioxide mist towards the indoor.
Specifically, the bottom of the inner unit 10 has a mounting groove, the inner unit 10 is further provided with a rotatable mounting door, the mounting door covers the mounting groove to form the mounting cavity, and the mounting hole is located at the mounting door.
The installation door is hinged to the inner machine 10, the fire extinguishing device 20 is placed to drive the installation cavity under the condition that the notch of the installation groove is covered by the installation door, and the spray head 22 penetrates through the installation hole of the installation door; in the case that the installation door is rotated to be opened, the notch of the installation groove is communicated with the outside, and the fire extinguishing apparatus 20 can be taken out or placed, so that the liquid carbon dioxide of the liquid carbon dioxide bottle 21 can be supplemented as required.
Referring to fig. 2, in an alternative embodiment of the present invention, the nozzle 22 includes a fixed portion 221, a movable portion and a nozzle 224, the fixed portion 221 is connected to the liquid carbon dioxide bottle 21, the movable portion is movably disposed on the fixed portion 221, the nozzle 224 is disposed on an end portion of the movable portion far away from the liquid carbon dioxide bottle 21, and the valve is disposed at the fixed portion 221.
The movable part is movably disposed on the fixed part 221, so that the direction of the nozzle 224 can be adjusted according to the use requirement, and the carbon dioxide mist can be sprayed to a specific position according to a specific angle, thereby ensuring a better fire extinguishing effect. Specifically, in order to adapt to different angles and positions of the movable portion and ensure stable ejection of carbon dioxide mist, a flexible pipe may be inserted into the nozzle 22, one end of the flexible pipe is connected to the nozzle 224, the other end of the flexible pipe is connected to a fixed section communicating with the cavity in the liquid carbon dioxide bottle 21, and the valve disposed on the fixed portion 221 is used as a fixed section part for opening and closing the connection of the flexible pipe.
Specifically, the movable portion includes a first rotating portion 222 and a second rotating portion 223, the first rotating portion 222 has a first rotating shaft extending away from the liquid carbon dioxide bottle 21, the first rotating portion 222 extends along a direction extending away from the liquid carbon dioxide bottle 21, the first rotating portion 222 is rotatably disposed on the fixing portion 221, and the first rotating portion 222 rotates around the first rotating shaft. Thus, the ejection angle of the nozzle 224 may be changed while the first rotating portion 222 rotates about the first rotating shaft.
The end of the first rotating part 222 away from the liquid carbon dioxide bottle 21 has a second rotating shaft which is not parallel to the first rotating shaft, the second rotating part 223 is rotatably disposed at the end of the second rotating part 223, the second rotating part 223 rotates around the second rotating shaft, and the nozzle 224 is disposed on the second rotating part 223. Thus, in the process of rotating the second rotating portion 223 around the second rotating shaft, in combination with the process of rotating the first rotating portion 222 around the first rotating shaft, the all-directional spraying angle of the nozzle 224 can be realized, and a better fire extinguishing effect can be ensured. Optionally, the first rotating shaft may be perpendicular to the second rotating shaft.
In order to realize the automatic adjustment of the spraying angle of the nozzle 224, the fire extinguishing apparatus 20 further includes a first driving member and a second driving member, both of which are connected to the control end, the first driving member drives the first rotating portion 222 to rotate around the first rotating shaft, and the second driving member drives the second rotating portion 223 to rotate around the second rotating shaft.
Thus, the ejection angle of the nozzle 224 can be adjusted by controlling the first driving member and the second driving member. Because first driving piece and second driving piece all are connected with the control end, the connection here can be wired connection or wireless connection, like this, under the condition of user's initiative control nozzle 224's blowout angle, corresponding control is realized to the remote controller of accessible control air conditioner to in the time of taking place the condition of a fire, independently effectively put out a fire. Also, the nozzle 224 may be directed to a location where fire is likely to occur, such as a storage compartment cargo stacking location, as desired.
In another embodiment, after the location of the fire is confirmed, the spraying direction of the nozzle 224 can be automatically controlled by the first driving member and the second driving member, so as to achieve a better fire extinguishing effect.
Specifically, for the emergence position of automatic differentiation fire, can set up camera device on interior unit 10, after the fire was distinguished to take place at the smoke detector alarm, camera device shoots indoor infrared image in real time, and send to the control end and carry out corresponding processing, after the local position after the control end confirmed the temperature anomaly, with nozzle 224 towards unusual position, then, open the valve through the control end, towards specific position blowout carbon dioxide fog, the local position to the temperature anomaly is put out a fire and is handled, can effectively put out a fire.
Referring to fig. 1 and 3, in an alternative embodiment of the present invention, the fire extinguishing air conditioner further includes an exhaust fan, the exhaust fan is disposed on the wall, one end of the exhaust fan is connected to the indoor space, the other end of the exhaust fan is connected to the outdoor space, and the exhaust fan is connected to the control end.
The exhaust fan is connected with the control end of the air conditioner, and when the control end judges that a fire occurs, the exhaust fan sends a control command at the same time, and the exhaust fan is opened to discharge indoor air and avoid the fire from expanding.
The exhaust fan and the control end can be in wired connection or wireless connection and are arranged at the top of the wall body so as to exhaust indoor air. Of course, the user can also open the exhaust fan independently through the remote controller of control air conditioner as required to indoor ventilation.
Referring to fig. 1 and 3 in combination, in an optional embodiment of the present invention, the smoke detector comprises a smoke detector and a smoke alarm, the smoke detector is used for detecting indoor smoke content, and the smoke alarm is used for sending out alarm.
After the smoke detector detects the indoor smoke content, whether fire occurs indoors or not can be judged, and under the condition that fire occurs, the smoke alarm can give out alarm sounds to remind users of timely handling or evacuating, so that personal and property safety is guaranteed.
Specifically, the smoke detector alarm further comprises a battery, and the battery is connected with the smoke detector and the smoke detector alarm.
Namely, the smoke alarm is actually provided with a battery, so that even if the air conditioner is powered off, the smoke alarm can still give an alarm through the smoke alarm to remind a user of timely handling or evacuating, and personal and property safety is guaranteed.
In the embodiment of the utility model, the air conditioner of should putting out a fire is used in the small-size airtight occasion of the condition of a fire of taking place easily, like positions such as storeroom or warehouse.
Based on the embodiment, the utility model discloses a control method of fire extinguishing air conditioner is as follows:
under the condition that the air conditioner is started, the smoke detector alarm detects the indoor smoke content;
under the condition that the smoke content exceeds the standard, the smoke alarm judges the fire and transmits the information of the fire to the control end;
the air conditioner stops the cooling or heating function in operation;
the control end controls the valve to be opened, and all liquid carbon dioxide is released through the spray head 22; meanwhile, the control end controls the exhaust fan to be started;
after the set time, the exhaust fan and the air conditioner are powered off, so that damage caused by the power-on state is avoided.
Optionally, the set time is 1min, all carbon dioxide can be sprayed out within the set time by setting the spraying caliber of the spray nozzle 22 and the capacity of the liquid carbon dioxide bottle 21, so as to realize effective fire extinguishing, and the exhaust fan can discharge 5m in 1min 3 Air to suppress the spread of fire. Because the smoke alarm adopts the independent battery power supply, the continuous alarm that sends out.
The embodiment of the utility model provides an in, whether detect through the smoke detector and take place the condition of a fire, under the condition that takes place the condition of a fire, the information that takes place the condition of a fire can be transmitted to the control end, and the valve through the steerable shower nozzle 22 of control end is opened to liquid carbon dioxide bottle 21 in the liquid carbon dioxide bottle 21 is towards indoor release, realizes putting out a fire. Compare in the air conditioner that gives among the prior art, the utility model provides an air conditioner of putting out a fire detects indoor risk that takes place the condition of a fire or takes place under the condition of naked light, still can carry out effectual fire extinguishing treatment to the condition of a fire, has ensured user's personal or property safety.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. An air conditioner for extinguishing fires, comprising:
the inner machine is internally provided with a control end;
the smoke detector alarm is connected with the control end;
the fire extinguishing device comprises a liquid carbon dioxide bottle and a nozzle, wherein a containing cavity for containing liquid carbon dioxide is arranged in the liquid carbon dioxide bottle, the nozzle is communicated with the containing cavity, a valve for opening and closing the nozzle is arranged on the nozzle, and the valve is connected with the control end.
2. The fire extinguishing air conditioner according to claim 1, wherein the fire extinguishing device is provided at a bottom of the indoor unit, and the spray head is arranged to extend in a direction away from the indoor unit.
3. The fire extinguishing air conditioner according to claim 2, wherein the bottom of the inner unit has a mounting cavity, the fire extinguishing device is disposed in the mounting cavity, the casing of the inner unit has a mounting hole, the mounting hole communicates with the mounting cavity, and the nozzle is disposed through the mounting hole.
4. The fire fighting air conditioner according to claim 3, wherein the inner unit has a mounting groove at a bottom thereof, and is further provided with a rotatably mounted door, the door being closed over the mounting groove to form the mounting chamber, and the mounting hole being located at the door.
5. The fire-extinguishing air conditioner according to any one of claims 1 to 4, wherein the head includes a fixed portion connected to the liquid carbon dioxide bottle, a movable portion movably provided at the fixed portion, and a nozzle provided at an end of the movable portion remote from the liquid carbon dioxide bottle, the valve being provided at the fixed portion.
6. The fire extinguishing air conditioner according to claim 5, wherein the movable section includes a first rotating section having a first rotating shaft extending away from the liquid carbon dioxide bottle, the first rotating section being arranged to extend in a direction away from the liquid carbon dioxide bottle, the first rotating section being rotatably provided to the fixed section, the first rotating section being rotated about the first rotating shaft;
the end part of the first rotating part, which is far away from the liquid carbon dioxide bottle, is provided with a second rotating shaft which is not parallel to the first rotating shaft, the second rotating part is rotatably arranged at the end part of the second rotating part, the second rotating part rotates around the second rotating shaft, and the nozzle is arranged on the second rotating part.
7. The fire extinguishing air conditioner of claim 6, wherein the fire extinguishing apparatus further comprises a first driving member and a second driving member, the first driving member and the second driving member are both connected to the control end, the first driving member drives the first rotating portion to rotate around the first rotating shaft, and the second driving member drives the second rotating portion to rotate around the second rotating shaft.
8. The fire extinguishing air conditioner according to any one of claims 1 to 4, further comprising a discharge fan for being installed at a wall, one end of the discharge fan being connected to the indoor space and the other end of the discharge fan being connected to the outdoor space, the discharge fan being connected to the control end.
9. The fire extinguishing air conditioner according to any one of claims 1 to 4, wherein the smoke detector is for detecting indoor smoke content and the smoke detector is for sounding a warning sound.
10. The fire suppression air conditioner of claim 9, wherein said smoke detector alarm further comprises a battery connected to said smoke detector and said smoke detector alarm.
CN202220795554.5U 2022-04-07 2022-04-07 Fire-extinguishing air conditioner Active CN217357162U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220795554.5U CN217357162U (en) 2022-04-07 2022-04-07 Fire-extinguishing air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220795554.5U CN217357162U (en) 2022-04-07 2022-04-07 Fire-extinguishing air conditioner

Publications (1)

Publication Number Publication Date
CN217357162U true CN217357162U (en) 2022-09-02

Family

ID=83054663

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220795554.5U Active CN217357162U (en) 2022-04-07 2022-04-07 Fire-extinguishing air conditioner

Country Status (1)

Country Link
CN (1) CN217357162U (en)

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