CN111853899A - Warning device for oil smoke exhaust fireproof check valve and warning method thereof - Google Patents
Warning device for oil smoke exhaust fireproof check valve and warning method thereof Download PDFInfo
- Publication number
- CN111853899A CN111853899A CN202010794004.7A CN202010794004A CN111853899A CN 111853899 A CN111853899 A CN 111853899A CN 202010794004 A CN202010794004 A CN 202010794004A CN 111853899 A CN111853899 A CN 111853899A
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- China
- Prior art keywords
- control element
- temperature
- warning
- check valve
- warning device
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
Abstract
The invention provides a warning device and a warning method for a fireproof check valve for oil smoke exhaust, relates to the technical field of fireproof check valves for oil smoke exhaust, and solves the technical problems that in the prior art, a resident cannot know the fault condition in an exhaust pipeline, and the safety of the fireproof check valve for oil smoke exhaust is low. The warning device comprises a temperature sensing control element and a signal output assembly, when the temperature sensing control element reaches a nominal action temperature value, the temperature sensing control element adjusts the signal output assembly to send a warning signal, a resident can observe and recognize in time and arouse the attention of the resident, and the use safety of the oil smoke exhaust fireproof check valve is greatly improved.
Description
Technical Field
The invention relates to the technical field of a fireproof check valve for oil smoke discharge, in particular to a warning device for the fireproof check valve for the oil smoke discharge and a warning method thereof.
Background
The oil smoke discharging fireproof check valve is installed at the rear end of a kitchen range hood or a toilet exhaust fan to the inlet of a shared exhaust pipeline with fire resistance grade, the fan is in an opening state during working, waste gas is discharged, the fan is in a natural closing state during non-working, waste gas backflow is prevented, when the temperature reaches a specified value in a room or a shared air channel, the check valve can be automatically closed, the requirement on fire resistance can be met within a specified time, and the function of smoke separation and fire retardation is achieved. However, when the existing oil smoke discharging fireproof check valve is closed due to a fault, such as when fire occurs in the exhaust duct, the port of the oil smoke discharging fireproof check valve close to the room is connected with a fan or other equipment through a pipeline and cannot be exposed, so that a resident cannot timely know the fault condition in the exhaust duct, and if the resident opens the fan and the oil smoke discharging fireproof check valve during the fault, the fire in the exhaust duct spreads indoors, and the consequence is unreasonable. Further, the "public safety industry standard of the people's republic of China" (GA/T798) issued by the Ministry of public Security of the people's republic of China also indicates in the regulations on the fire check valve for oil smoke discharge (refer to clause 6.5): when the check valve is closed (unable to exhaust) due to a fault, a warning sign or signal for indicating the fault state is preferably output.
Therefore, how to solve the technical problems that in the prior art, a resident cannot know the fault condition in the exhaust pipeline and the safety of the fireproof check valve for discharging the oil fume is low becomes an important technical problem to be solved by the personnel in the field.
Disclosure of Invention
The invention aims to provide a warning device and a warning method for a fireproof check valve for oil smoke discharge, and solves the technical problems that in the prior art, a resident cannot know the fault condition in an exhaust pipeline, and the safety of the fireproof check valve for oil smoke discharge is low. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a warning device for a fireproof check valve of oil smoke discharge, which comprises: the temperature sensing control element is used for sensing a pipeline temperature value and is arranged outside the valve body, and when the temperature sensing control element reaches a nominal action temperature value, the temperature sensing control element adjusts the signal output assembly to send out a warning signal.
Preferably, the bottom of the valve body is provided with a temperature sensing hole for communicating the inner cavity of the valve body with the pipeline, and the temperature sensing control element is covered at the position of the temperature sensing hole.
Preferably, the temperature-sensitive control element comprises a fuse connected to the signal output assembly.
Preferably, the warning signal is an image signal, and the signal output assembly comprises a gear shifting mechanism, wherein the gear shifting mechanism is provided with at least two gears for displaying different image information.
Preferably, the gear shifting structure comprises a window arranged on the valve body, a plate body provided with warning image information and a first adjusting assembly arranged between the plate body and the temperature sensing control element, and when the first adjusting assembly is located at a first position, the warning image information of the plate body is hidden; when the first adjusting assembly is located at the second position, the warning information of the plate body is exposed at the position of the window.
Preferably, the first adjusting component includes a housing for supporting the board, a moving rod for driving the board to move, and an elastic member sleeved on the moving rod and abutted between the board and a sidewall of the housing, and the moving rod penetrates through the housing and extends out of the housing to be connected with the temperature sensing control element.
Preferably, a connection hook for hooking and connecting with a protruding end of the moving bar is provided at a lower portion of the temperature sensing control element.
Preferably, the warning signal is an acousto-optic signal, and the signal output assembly comprises an acousto-optic mechanism which is arranged on the valve body and used for emitting audio and/or light and a switch assembly which is connected with the temperature sensing control element and used for adjusting the working state of the acousto-optic mechanism.
Preferably, the switch assembly comprises a micro switch electrically connected with the acousto-optic mechanism and a second adjusting assembly for triggering the micro switch, and the second adjusting assembly is arranged between the micro switch and the temperature-sensitive control element.
The invention also discloses a warning method of the warning device for the oil smoke exhaust fireproof check valve, and based on the warning device, the warning method comprises the following steps: sensing the temperature value in the pipeline and judging whether the temperature value reaches a nominal action temperature value; when the temperature value in the pipeline reaches the nominal action temperature value, executing corresponding switch or position conversion action and sending out a warning signal.
Compared with the prior art, the invention has the following beneficial effects:
(1) when the temperature value in the pipeline reaches the nominal action temperature of the temperature sensing control element, the temperature sensing control element correspondingly acts to regulate the signal output assembly to send out a warning signal, so that a resident can recognize the warning signal and arouse the attention of the resident, and the oil smoke discharging fireproof check valve is closed or not opened in time, thereby playing a warning role and greatly improving the use safety of the oil smoke discharging fireproof check valve.
(2) In the invention, the bottom of the valve body is provided with the temperature sensing hole for communicating the inner cavity of the valve body with the pipeline, when a fire occurs in a home or in a public pipeline caused by other homes, the temperature sensing control element can sense the temperature states in the inner cavity of the valve body and the pipeline in time and act in time, and the regulating signal output assembly sends out a warning signal, so that the use is safer and more efficient.
(3) In the invention, the temperature sensing control element can comprise a fuse element, can trigger the signal output assembly to act to send out a warning signal in time when reaching a nominal action temperature value, and has simple action and convenient installation and use.
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, 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 the drawings without creative efforts.
FIG. 1 is a schematic view of the position of a warning device for a smoke exhaust fire check valve according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the shift position switching mechanism provided in the embodiment of the present invention when the temperature-sensitive control element does not reach the nominal temperature;
FIG. 3 is a schematic structural diagram of the shift position switching mechanism when the temperature-sensitive control element reaches the nominal temperature according to the embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a switch assembly provided in an embodiment of the present invention when the temperature-sensing control element does not reach the nominal temperature;
fig. 5 is a schematic structural diagram of the switch assembly when the temperature-sensitive control element reaches the nominal temperature according to the embodiment of the present invention.
Fig. 1-temperature sensitive control element; 2-a signal output component; 3-a valve body; 4-temperature-sensitive holes; 5-a window; 6-plate body; 7-a first adjustment assembly; 8-a shell; 9-moving the rod; 10-an elastic member; 11-connecting hooks; 12-a connecting ring; 13-acousto-optic mechanism; 14-a switch assembly; 15-a microswitch; 16-a second adjustment assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention aims to provide a warning device and a warning method for a fireproof check valve for oil smoke discharge, and solves the technical problems that in the prior art, a resident cannot know the fault condition in an exhaust pipeline, and the safety of the fireproof check valve for oil smoke discharge is low.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
Referring to fig. 1-5, the invention provides a warning device for a fire-proof check valve of oil smoke exhaust, which comprises a temperature-sensing control element 1 and a signal output component 2, wherein the temperature-sensing control element 1 can be arranged on the fire-proof check valve of oil smoke exhaust or in a pipeline and is used for detecting the temperature value in the exhaust pipeline in real time, and the signal output component 2 is arranged outside a valve body 3 so that a resident can know the condition in the pipeline in time. When the temperature sensing control element 1 reaches the nominal action temperature value, the temperature sensing control element 1 adjusts the signal output assembly 2 to send out a warning signal for a resident to observe and recognize in time, and the arrangement is that when a fault and fire happen in the exhaust pipeline, the temperature in the pipeline rises, and when the temperature value in the pipeline reaches the nominal action temperature of the temperature sensing control element 1, the temperature sensing control element 1 performs corresponding action to adjust the signal output assembly 2 to send out the warning signal for the resident to recognize and arouse the attention of the resident to obtain warning information for closing or not opening the oil exhaust smoke fire-proof check valve in time, so that a warning effect is achieved, the use safety of the oil exhaust smoke fire-proof check valve is greatly improved, and the technical problems that the resident cannot know the fault condition in the exhaust pipeline and the safety of the oil exhaust smoke fire-proof check valve is low in the prior art are solved.
As an optional implementation manner of the embodiment of the invention, the bottom of the valve body 3 is provided with a temperature sensing hole 4, the temperature sensing hole 4 is a through hole communicating an inner cavity of the valve body 3 with a pipeline, and the temperature sensing control element 1 is covered and arranged at the position of the temperature sensing hole 4, wherein the temperature sensing control element 1 is positioned in the inner cavity of the valve body 3 or exposed in the pipeline, so that when a fire occurs in a home or in a public pipeline caused by other people, the temperature sensing control element 1 can sense the temperature state in the inner cavity of the valve body 3 and the temperature state in the pipeline in time and make an action in time, and the adjusting signal output assembly 2 sends out a warning signal, so that the use is safer and more efficient.
Further, temperature sensing control element 1 includes the fuse-link of being connected with signal output subassembly 2, and the fuse-link is connected in temperature sensing hole 4 positions department promptly, and the back is connected with the pipeline to the oil extraction gas fire prevention check valve, and when the temperature value reached the fuse-link's in the inner chamber of valve body 3 or the pipeline melting point, the fuse-link took place the fusing action to trigger signal output subassembly 2 moves and sends warning signal, and the action is simple, installation and convenient to use. The fuse may be, but is not limited to, a fuse, a solder, or a dual temperature metal sheet.
Referring to fig. 2-3, as an alternative implementation manner of the embodiment of the present invention, the warning signal may be an image signal, the signal output assembly 2 includes a gear shift mechanism, the gear shift mechanism is provided with at least two gears, and the at least two gears respectively display different image information, that is, safety image information and warning image information, that is, when the fuse is not fused, the gear shift mechanism is kept at a normal gear and displays the safety image information, and when the fuse is fused, the gear shift mechanism performs a corresponding action, such as moving or rotating, so that the gear shift mechanism is shifted to a warning gear and displays the warning image information for a resident to observe and recognize. Alternatively, the security image information may be, but is not limited to, blank and the warning image information may be, but is not limited to, red.
Further, gear shift mechanism includes window 5, plate body 6 and first adjusting part 7, and window 5 can the embeddable installation on the base of valve body 3, and its outer end can be with the base outside parallel and level of valve body 3 to increase the aesthetic property, and its material can be ya keli board or glass. The side wall of the plate body 6 facing to one side of the window 5 is coated with warning image information, and the first adjusting component 7 is located between the plate body 6 and the temperature sensing control element 1 and used for adjusting the distance of the plate body 6 relative to the window 5. The first adjusting component 7 can move or rotate, and when the first adjusting component 7 is located at the first position, the warning image information of the plate body 6 is hidden, that is, the first adjusting component 7 drives the plate body 6 to be away from the window 5, so that the plate body 6 cannot be seen at the position of the window 5 by a user, and the display is blank. When the first adjusting component 7 is located at the second position, the warning information of the plate body 6 is exposed at the position of the window 5, that is, the first adjusting component 7 drives the plate body 6 to be close to the window 5, so that a user can observe the warning image information on the plate body 6 through the window 5, and then timely respond, and the use is convenient.
Further, the first adjusting assembly 7 comprises a housing 8, a movable rod 9 and an elastic element 10, the housing 8 being connectable to the lower part of the valve body 3 and to the base and communicating with the window 5 for supporting the plate 6. The movable rod 9 runs through and stretches out and be connected with temperature sensing control element 1 behind the casing 8 for drive plate body 6 and remove, elastic component 10 cover is established on movable rod 9 and the butt between the lateral wall of plate body 6 and casing 8, elastic component 10 can be but not limited to be the spring, can be for dismantling between movable rod 9 and the temperature sensing control element 1 and be connected, so set up, during normal use, movable rod 9 drives plate body 6 and moves back to keeping away from window 5 position department, and elastic component 10 is located and compression state all the time. When the temperature sensing control element 1 reaches the nominal operating temperature value, the fuse of the temperature sensing control element 1 is fused, so that the elastic element 10 is released and restored to deform, and the plate body 6 and the movable rod 9 are driven to move forward to the position close to the window 5, so that a user can observe the warning image information on the plate body 6 in time.
Further, the lower part of the temperature sensing control element 1 is provided with a connecting hook 11, optionally, the connecting hook 11 and the temperature sensing control element 1 can be an integrally formed structure, and the processing is convenient. The connecting hook 11 is connected with the extending end of the moving rod 9 in a hooking manner, so that when the temperature sensing control element 1 is fused or bent, the moving rod 9 can be separated from the temperature sensing control element more easily and can respond in time. Alternatively, the protruding end of the moving bar 9 may be provided with a bent type hook structure directly hooked with the coupling hook 11, or the protruding end of the moving bar 9 may be provided with a coupling ring 12, and then hooked on the coupling hook 11, for coupling and convenience of use.
Referring to fig. 4-5, as an optional implementation manner of the embodiment of the present invention, the warning signal is an acoustic-optic signal, the signal output assembly 2 includes an acoustic-optic mechanism 13 and a switch assembly 14, the acoustic-optic mechanism 13 is mounted on the valve body 3 and is used for emitting audio and/or light for a user to identify, that is, when an accident occurs in the pipeline, the temperature sensing control element 1 adjusts the signal output assembly 2 to emit the audio and/or light signal, and when the distance from the fire-proof check valve for discharging oil smoke is far, the warning function can still be performed. The switch component 14 is connected with the temperature sensing control element 1, and is used for adjusting the working state of the acousto-optic mechanism 13, namely when the temperature sensing control element 1 reaches a nominal action temperature value, the temperature sensing control element 1 acts to open the acousto-optic mechanism 13 through the switch component 14, and audio and/or light is emitted in time for a user to identify. The acousto-optic mechanism 13 may include a light emitting element and/or a buzzer, the light emitting element may be, but is not limited to, a diode, and the electro-optic conversion efficiency is high and the lifetime is long. The buzzer has high reliability and long service life. The power supply of the acousto-optic mechanism 13 can be an indoor general power supply, and a battery power supply assembly can be independently arranged, so that the influence of power failure and other accidents on the use of the acousto-optic mechanism 13 is avoided.
Further, the switch assembly 14 includes a micro switch 15 and a second adjusting assembly 16, the micro switch 15 is electrically connected to the acousto-optic mechanism 13, that is, the micro switch 15 can be connected in series with the acousto-optic mechanism 13 or connected to a switch control circuit of the acousto-optic mechanism 13, the micro switch 15 is a contact mechanism having a micro contact interval and a quick action mechanism, and performs a switching action with a specified stroke and a specified force, and the action is quick and sensitive. The second adjusting component 16 applies a certain mechanical force to the micro switch 15, so as to trigger the micro switch 15 to act, and control the acousto-optic mechanism 13 to be opened. Wherein, the concrete structure of second adjusting part 16 can refer to foretell first adjusting part 7, structure between them can be the same, second adjusting part 16 also can include casing 8 promptly, carriage release 9 and elastic component 10, the front end of carriage release 9 can be equipped with the flange and be used for with the spring butt, when temperature sensing control element 1 reached nominal action temperature value, temperature sensing control element 1 action and then makes elastic component 10 release and resume deformation, drive carriage release 9 and move forward and exert the effort to micro-gap switch 15 installed on the base of valve body 3, and then trigger micro-gap switch 15 action, control reputation mechanism 13 and open.
The invention also provides a warning method of the warning device for the oil smoke exhaust fireproof check valve, and based on the warning device, the warning method comprises the following steps: the temperature value of the gas in the pipeline is sensed and whether the temperature value reaches a nominal action temperature value is judged, and when the temperature value in the pipeline reaches the nominal action temperature value, corresponding switch or position conversion action is executed and a warning signal is sent out, wherein specifically, the temperature sensing control element 1 measures the temperature value of the gas in the pipeline, and only when the temperature value of the gas in the pipeline reaches the nominal action temperature value of the temperature sensing control element 1, the temperature sensing control element 1 can perform corresponding action adjusting signal output component 2 to execute the corresponding switch or position conversion action and send out the warning signal, so that a resident can recognize the temperature value in time.
Further, the nominal operating temperature value range is 69.5-70.5 ℃ or 149.5-150.5 ℃, namely the nominal operating temperature of the temperature sensing control element 1, and preferably, the nominal operating temperature value range of the temperature sensing control element 1 is 70 ℃ or 150 ℃, so as to be better suitable for an exhaust duct of a toilet or a kitchen fume exhaust duct.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides a warning device for oil extraction cigarette fire prevention check valve which characterized in that includes: the temperature-sensing valve comprises a temperature-sensing control element (1) used for sensing a pipeline temperature value and a signal output assembly (2) arranged outside a valve body (3), wherein when the temperature-sensing control element (1) reaches a nominal action temperature value, the temperature-sensing control element (1) adjusts the signal output assembly (2) to send out a warning signal.
2. The warning device for the smoke exhaust fire check valve according to claim 1, wherein a temperature sensing hole (4) communicating an inner cavity of the valve body (3) and the pipeline is formed in the bottom of the valve body (3), and the temperature sensing control element (1) is covered and arranged at the position of the temperature sensing hole (4).
3. The warning device for a fire check valve for range hood according to claim 2, wherein the temperature sensitive control element (1) comprises a fuse connected to the signal output assembly (2).
4. The warning device for a fire check valve for range hood according to claim 1, wherein the warning signal is an image signal, and the signal output assembly (2) comprises a gear shift mechanism provided with at least two gears for displaying different image information.
5. The warning device for the smoke exhaust fire check valve according to claim 4, wherein the gear shift structure comprises a window (5) arranged on the valve body (3), a plate body (6) provided with warning image information, and a first adjusting assembly (7) arranged between the plate body (6) and the temperature sensing control element (1), wherein when the first adjusting assembly (7) is in a first position, the warning image information of the plate body (6) is hidden; when the first adjusting component (7) is located at the second position, the warning information of the plate body (6) is exposed at the position of the window (5).
6. The warning device for the smoke exhaust fire check valve according to claim 5, wherein the first adjusting component (7) comprises a housing (8) for supporting the plate body (6), a moving rod (9) for driving the plate body (6) to move, and an elastic member (10) sleeved on the moving rod (9) and abutted between the plate body (6) and the side wall of the housing (8), wherein the moving rod (9) penetrates through and extends out of the housing (8) and then is connected with the temperature sensing control element (1).
7. The warning device for a fire check valve for range hood according to claim 6, wherein a coupling hook (11) for hooking and coupling with an extended end of the moving rod (9) is provided at a lower portion of the temperature sensitive control element (1).
8. The warning device for the smoke exhaust fire check valve according to claim 1, wherein the warning signal is an audible and visual signal, and the signal output assembly (2) comprises an audible and visual mechanism (13) for emitting audio and/or light, which is disposed on the valve body (3), and a switch assembly (14) connected to the temperature-sensitive control element (1) for adjusting the operating state of the audible and visual mechanism (13).
9. The warning device for a fire check valve for range hood according to claim 8, wherein the switch assembly (14) comprises a micro switch (15) electrically connected to the acousto-optic mechanism (13) and a second adjustment assembly (16) for activating the micro switch (15), the second adjustment assembly (16) being disposed between the micro switch (15) and the temperature sensitive control element (1).
10. A warning method of a warning device for a fire check valve for exhaust gas, which is based on the warning device according to any one of claims 1 to 9, comprising:
sensing the temperature value in the pipeline and judging whether the temperature value reaches a nominal action temperature value;
when the temperature value in the pipeline reaches the nominal action temperature value, executing corresponding switch or position conversion action and sending out a warning signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010794004.7A CN111853899A (en) | 2020-08-10 | 2020-08-10 | Warning device for oil smoke exhaust fireproof check valve and warning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010794004.7A CN111853899A (en) | 2020-08-10 | 2020-08-10 | Warning device for oil smoke exhaust fireproof check valve and warning method thereof |
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| CN111853899A true CN111853899A (en) | 2020-10-30 |
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| CN202010794004.7A Pending CN111853899A (en) | 2020-08-10 | 2020-08-10 | Warning device for oil smoke exhaust fireproof check valve and warning method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112612313A (en) * | 2020-12-22 | 2021-04-06 | 青岛海尔空调器有限总公司 | Control method and device for air conditioning equipment, electronic equipment and storage medium |
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2020
- 2020-08-10 CN CN202010794004.7A patent/CN111853899A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112612313A (en) * | 2020-12-22 | 2021-04-06 | 青岛海尔空调器有限总公司 | Control method and device for air conditioning equipment, electronic equipment and storage medium |
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Effective date of registration: 20211122 Address after: 330000 first floor, No. 176, Taozhu village, Feiyan Road, Qingshanhu District, Nanchang City, Jiangxi Province Applicant after: Nanchang Linghai Technology Co.,Ltd. Address before: 330000 room 709, unit 3, building 1, No. 131, Zigu Road, Donghu District, Nanchang City, Jiangxi Province Applicant before: Hu Dong Applicant before: Guo Saihong |