CN116538305B - Air valve structure and system with air smoke content early warning - Google Patents

Air valve structure and system with air smoke content early warning Download PDF

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Publication number
CN116538305B
CN116538305B CN202310571059.5A CN202310571059A CN116538305B CN 116538305 B CN116538305 B CN 116538305B CN 202310571059 A CN202310571059 A CN 202310571059A CN 116538305 B CN116538305 B CN 116538305B
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China
Prior art keywords
air valve
air
main body
bracket
early warning
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CN202310571059.5A
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Chinese (zh)
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CN116538305A (en
Inventor
尹志朋
胡树中
尹志波
韩飞照
才志广
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Dezhou Longda Air Conditioning Equipment Group Co ltd
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Dezhou Longda Air Conditioning Equipment Group Co ltd
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Priority to CN202310571059.5A priority Critical patent/CN116538305B/en
Publication of CN116538305A publication Critical patent/CN116538305A/en
Application granted granted Critical
Publication of CN116538305B publication Critical patent/CN116538305B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/221Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/041Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025Electrical or magnetic means
    • F16K37/005Electrical or magnetic means for measuring fluid parameters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Flow Control Members (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The application provides a blast gate structure and a system with air smoke content early warning, comprising: the air valve, the air valve main body and the bracket I; the air valve comprises an air valve main body, a first bracket is fixedly arranged at the top end of the air valve main body, a driving motor is fixedly arranged above the first bracket through a bolt, a rotating shaft is fixedly connected with the output end of the driving motor, the rotating shaft penetrates through the air valve main body and is connected with the air valve main body through a bearing, a valve plate is fixedly arranged on the rotating shaft, the valve plate is positioned on the inner side of the air valve main body, and a sealing gasket is sleeved and arranged on the edge of the valve plate.

Description

Air valve structure and system with air smoke content early warning
Technical Field
The application relates to the technical field of air valves, in particular to an air valve structure and an air valve system with air smoke content early warning function.
Background
The smoke dust is solid particles discharged in the coal burning and industrial production processes, the main components of the smoke dust are silicon dioxide, aluminum oxide, ferric oxide, calcium oxide, unburned carbon particles and the like, the types of the atmospheric pollutants are various, the smoke dust can be classified into two types according to the form, namely, the granular pollutants and the harmful gases, and the smoke dust belongs to the granular pollutants.
The smoke content in the flue needs to be detected by gas detectors which are usually arranged on the outer wall of the flue and transmit collected data to a system host, and the system host controls the operation of an exhaust fan to control the exhaust volume.
In view of the above, the present application provides a damper structure and system with air smoke content early warning, which aims to solve the problems and improve the practical value by the technology.
Disclosure of Invention
The application aims to provide a damper structure and a damper system with air smoke content early warning function, so as to solve the problems and the defects in the background art.
In order to achieve the above purpose, the application provides a damper structure and a system with air smoke content early warning, which are achieved by the following specific technical means:
air valve structure with air smoke and dust content early warning includes: the device comprises an air valve, an air valve main body, a first bracket, a driving motor, a rotating shaft, a valve plate, a sealing gasket, a limiting plate, a second bracket, a support, a buckle cover, a rubber mat, a gas detector, a fastener, a wire connecting pipe, a clamping plate, an inner gasket, a cap, an early warning controller and a system host; the air valve comprises an air valve main body, a first bracket is fixedly arranged at the top end of the air valve main body, a driving motor is fixedly arranged above the first bracket through a bolt, a rotating shaft is fixedly connected with the output end of the driving motor, the rotating shaft penetrates through the air valve main body and is connected with the air valve main body through a bearing, a valve plate is fixedly arranged on the rotating shaft, the valve plate is positioned on the inner side of the air valve main body, a sealing gasket is sleeved and installed on the edge of the valve plate, a limiting plate is positioned on the inner wall of the air valve main body, the valve plate is clamped with the limiting plate, a second bracket penetrates through the valve plate through a screw rod at the back, the second bracket is fixed through a nut, a support is positioned on the outer wall of the front side of the second bracket, the support and the second bracket are of an integrated structure, the buckle cover is hinged to be installed at the top end of the second bracket, the rubber pad is sleeved and installed at the bottom of one side of the buckle cover, the gas detector is embedded and installed on the support, the two ends of the buckle are fixed with the support through a fastener through a bolt, the connecting pipe is welded and installed on the outer wall of the air valve main body, the connecting pipe is fixedly installed on the outer wall of the clamping plate through a nut, and the connecting pipe is fixedly connected with the connecting pipe through the clamping plate.
As a further optimization of the technical scheme, the air valve structure with the early warning of the air smoke content is provided with the air valve structure, the support is rectangular and blocky, the support is provided with semicircular grooves for installing the gas detector, and the support is provided with a plurality of positions on the second support.
As a further optimization of the technical scheme, the air valve structure with the early warning of the air smoke content is provided with the U-shaped groove for installing the rubber cushion on one side of the buckle cover, and two sides of the end part of the buckle cover are fixed with the support through bolts.
As a further optimization of the technical scheme, the air valve structure with the early warning of the air smoke content is provided with the air valve structure, the clamping plates are of a semicircular tubular structure with a T-shaped section, the end parts of the clamping plates are abutted against the wiring pipes, and two clamping plates are symmetrically arranged on the outer sides of the wiring pipes.
As a further optimization of the technical scheme, the air valve structure is provided with an air smoke content early warning function, and the air detector is positioned on the air inlet side of the air valve main body.
As a further optimization of the technical scheme, the system with the air valve structure with the air smoke content early warning function comprises an early warning controller, wherein the early warning controller detects smoke content in a valve main body through a gas detector in the valve, the early warning controller is connected with a system main machine, and the system main machine controls a driving motor and an exhaust fan at the top end of the valve through the early warning controller.
Due to the application of the technical scheme, compared with the prior art, the application has the following advantages:
1. the second mounting bracket is arranged on the valve plate and used for fixing the gas detector, so that the gas detector is convenient to mount and fix, the gas detector is fixed on the valve plate, the smoke dust content of air flowing in the air valve main body can be detected in real time and is in direct contact with the flowing air, the detection accuracy is high, and the buckle cover plays a role in covering and protecting the main body part of the gas detector, so that the damage of the gas detector caused by smoke dust pollution is prevented.
2. According to the application, the rubber cushion is arranged on the buckle cover, the two clamping plates are arranged on the outer side of the connecting pipe, the clamping plates have a clamping and fixing function on the connecting wire of the gas detector, meanwhile, the sealing function is achieved on the air valve main body, the rubber cushion and the inner gaskets on the inner walls of the clamping plates have the function of increasing friction force, the connecting wire is prevented from sliding, the two ends of the connecting wire are fixed, and the connecting wire is prevented from being broken when the valve plate rotates.
3. The early warning controller detects the smoke content in the air valve main body through the gas detector in the air valve, the system main body controls the driving motor at the top end of the air valve and the arrangement of the exhaust fan through the early warning controller, the gas detector detects the smoke content of air in the air valve main body in real time, the detection value is transmitted to the system main body through the early warning controller, and when the content exceeds the standard value, the system main body controls the driving motor to operate to increase the opening and closing angle of the valve plate, so that the air circulation speed is improved, and the potential safety hazard is reduced.
4. The application has the advantages of reasonable structural design, capability of detecting the smoke content of air flowing in the air valve main body in real time, direct contact with the flowing air, high detection accuracy, high degree of automation, potential safety hazard reduction and strong practicability by improving the air valve structure and the system with the air smoke content early warning function, thereby effectively solving the problems and the defects of the application.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic view of a damper according to the present application;
FIG. 2 is a schematic diagram of a front view of a damper according to the present application;
FIG. 3 is a schematic view of the structure of the wind turbine shaft according to the present application;
FIG. 4 is an enlarged schematic view of the structure of the present application at A;
FIG. 5 is a schematic view of a second structure of the bracket of the present application;
fig. 6 is a schematic diagram of a system structure according to the present application.
In the figure: the air valve 1, the air valve main body 101, the first bracket 102, the driving motor 103, the rotating shaft 104, the valve plate 105, the sealing gasket 106, the limiting plate 107, the second bracket 108, the support 109, the buckle cover 110, the rubber pad 111, the gas detector 112, the fastener 113, the wiring tube 114, the clamping plate 115, the inner gasket 116, the cap 117, the early warning controller 2, the system host 3 and the exhaust fan 4.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.
In the description of the present application, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the application and to simplify the description, and do not indicate or imply that the devices or elements referred to have a particular orientation, are configured and operated in a particular orientation, and therefore should not be construed as limiting the application.
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.
Meanwhile, in the description of the present application, unless explicitly stated and defined otherwise, the terms "connected", "connected" and "connected" should be interpreted broadly, and for example, may be fixedly connected, detachably connected, or integrally connected; the mechanical connection and the electrical connection can be adopted; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 6, the present application provides a specific technical implementation of a damper structure and a system with air smoke content early warning:
air valve structure with air smoke and dust content early warning includes: the air valve 1, the air valve main body 101, the first bracket 102, the driving motor 103, the rotating shaft 104, the valve plate 105, the sealing gasket 106, the limiting plate 107, the second bracket 108, the support 109, the buckle cover 110, the rubber pad 111, the gas detector 112, the fastener 113, the wiring tube 114, the clamping plate 115, the inner gasket 116, the cap 117, the early warning controller 2, the system host 3 and the exhaust fan 4; the air valve 1 comprises an air valve main body 101, a first bracket 102 is fixedly arranged at the top end of the air valve main body 101, a driving motor 103 is fixedly arranged above the first bracket 102 through bolts, a rotating shaft 104 is fixedly connected with the output end of the driving motor 103, the rotating shaft 104 penetrates through the air valve main body 101 and is connected with the air valve main body 101 through bearings, a valve plate 105 is fixedly arranged on the rotating shaft 104, the valve plate 105 is positioned at the inner side of the air valve main body 101, a sealing gasket 106 is sleeved and arranged at the edge of the valve plate 105, a limiting plate 107 is positioned on the inner wall of the air valve main body 101, the valve plate 105 is clamped with the limiting plate 107, a second bracket 108 penetrates through the valve plate 105 through screws at the back part, the second bracket 108 is fixed through nuts, a support 109 is positioned on the outer wall of the front side of the second bracket 108, the support 109 and the second bracket 108 are of an integrated structure, the support 109 is of a rectangular block-shaped bulge, semicircular grooves for installing the air detector 112 are formed in the support 109, a plurality of positions are formed in the second bracket 108, the installation and the fixing of the air detector 112 are convenient, and the air detector 112 is fixed on the valve plate 105, and the smoke dust content in the air valve main body 101 can be detected in real time.
The buckle closure 110 is hinged on the top of the second bracket 108, the buckle closure 110 plays a role in covering and protecting the main body of the gas detector 112, the damage to the gas detector 112 caused by smoke dust is prevented, a U-shaped groove for installing the rubber cushion 111 is formed in one side of the buckle closure 110, two sides of the end of the buckle closure 110 are fixed with the support 109 through bolts, the rubber cushion 111 is sleeved on the bottom of one side of the buckle closure 110, the gas detector 112 is embedded on the support 109, the gas detector 112 is fixed through the fastener 113, the gas detector 112 is located on the air inlet side of the air valve main body 101 and is in direct contact with flowing air, and the detection accuracy is high.
Both ends of fastener 113 pass through the bolt fastening with support 109, the terminal pipe 114 welded mounting is on the outer wall of damper main body 101, splint 115 pass through the lid 117 fixed mounting in the outside of terminal pipe 114, splint 115 is the semicircle tubular structure that the cross-section is "T" shape, splint 115's tip and terminal pipe 114 butt, splint 115 installs two in the outside symmetry of terminal pipe 114, splint 115 play the effect of clamping fixedly to the connecting wire of gas detector 112, play sealed effect simultaneously to damper main body 101, and the gasket 116 in cushion 111 and the splint 115 inner wall all plays the effect of increase friction force, prevent the connecting wire slip, and play the fixed action to the both ends of connecting wire, prevent to break the connecting wire when valve plate 105 is rotatory, lid 117 and terminal pipe 114 twist-connect, the inner gasket 116 is fixed on the inner wall of splint 115 in the bonding.
The utility model provides a system of blast gate structure with air smoke and dust content early warning, including early warning controller 2, early warning controller 2 detects the smoke and dust content in the blast gate main part 101 through the gas detector 112 in the blast gate 1, early warning controller 2 is connected with system host computer 3, system host computer 3 passes through driving motor 103 and the exhaust fan 4 on early warning controller 2 control blast gate 1 top, gas detector 112 real-time detection blast gate main part 101 flow the smoke and dust content of air, and pass through early warning controller 2 with the detection numerical value transmission to system host computer 3, system host computer 3 control driving motor 103 operation increase valve plate 105's angle of opening and shutting when the content exceeds the standard, improve the speed of air circulation, reduce the potential safety hazard.
The specific implementation steps are as follows:
during installation, the buckle cover 110 is opened, the gas detector 112 is embedded and installed on the support 109, the gas detector 112 is fixed through the fastener 113, the connecting wire of the gas detector 112 is arranged, the buckle cover 110 is buckled, the rubber pad 111 clamps the connecting wire, then the connecting wire is reserved for a proper length, the end part of the connecting wire penetrates out through the wire connecting pipe 114, the connecting wire is clamped through the clamping plate 115, the cover cap 117 is sleeved on the clamping plate 115, and the clamping plate 115 is screwed and fixed on the wire connecting pipe 114 through the cover cap 117.
To sum up: according to the air valve structure and the air valve system with the air smoke content early warning function, the second support is arranged on the valve plate and used for fixing the gas detector, so that the gas detector is convenient to install and fix, the gas detector is fixed on the valve plate, the smoke content of air in the air valve main body can be detected in real time and is in direct contact with the flowing air, the detection accuracy is high, the buckling cover plays a role in covering and protecting the main body part of the gas detector, and damage to the gas detector caused by smoke pollution is prevented; through installing the cushion on the buckle closure to the setting of two splint is installed in the connecting wire outside, and splint play the tight fixed effect of clamp to the connecting wire of gas detector, play sealed effect simultaneously to the blast gate main part, and the inner gasket on cushion and the splint inner wall all plays the effect of increase friction force, prevents that the connecting wire from sliding, and plays fixed effect to the both ends of connecting wire, prevents that the valve plate from breaking the connecting wire when rotatory; the system host controls the driving motor to operate to increase the opening and closing angle of the valve plate when the content exceeds the standard, improves the air circulation speed and reduces the potential safety hazard; through the improvement of the air valve structure and the system with the air smoke content early warning, the air valve structure and the system have the advantages of reasonable structural design, capability of detecting the smoke content of air flowing in the air valve main body in real time, high detection accuracy, high automation degree, potential safety hazard reduction and strong practicability, and can effectively solve the problems and the defects of the application.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Air valve structure with air smoke and dust content early warning includes: the air valve comprises an air valve (1), an air valve main body (101), a first bracket (102), a driving motor (103), a rotating shaft (104), a valve plate (105), a sealing gasket (106), a limiting plate (107), a second bracket (108), a support (109), a buckle cover (110), a rubber pad (111), a gas detector (112), a fastener (113), a wiring pipe (114), a clamping plate (115), an inner gasket (116), a cap (117), an early warning controller (2), a system host (3) and an exhaust fan (4); the method is characterized in that: the air valve (1) comprises an air valve main body (101), a first bracket (102) is fixedly arranged at the top end of the air valve main body (101), a driving motor (103) is fixedly arranged above the first bracket (102) through bolts, a rotating shaft (104) is fixedly connected with the output end of the driving motor (103), the rotating shaft (104) penetrates through the air valve main body (101) and is connected with the valve main body (101) through bearings, a valve plate (105) is fixedly arranged on the rotating shaft (104), the valve plate (105) is arranged at the inner side of the air valve main body (101), a sealing gasket (106) is sleeved on the edge of the valve plate (105), a limiting plate (107) is arranged on the inner wall of the air valve main body (101), the valve plate (105) is clamped with the limiting plate (107), a second bracket (108) penetrates through the valve plate (105) through bolts at the back, a second bracket (108) is fixed through nuts, a support (109) is arranged on the outer wall of the front side of the second bracket (108), the support (109) and the second bracket (108) is fixedly arranged on the rotating shaft (104) and is fixedly arranged on the inner side of the air valve main body, a buckling cover (110) is fixedly connected with the second bracket (110) through nuts, the second bracket (110) through the buckling cover (110) and is fixedly arranged on the buckling cover (111) and is fixedly arranged on the upper bracket (110) through the air valve detector, the gas detector (112) is fixed through a fastener (113), two ends of the fastener (113) are fixed with a support (109) through bolts, a wiring pipe (114) is welded on the outer wall of the air valve main body (101), a clamping plate (115) is fixedly arranged on the outer side of the wiring pipe (114) through a cover cap (117), the cover cap (117) is connected with the wiring pipe (114) in a screwed mode, and an inner gasket (116) is fixed on the inner wall of the clamping plate (115) in an adhering mode.
2. The damper structure with air smoke content warning according to claim 1, wherein: the support (109) is a rectangular block-shaped bulge, a semicircular groove for installing the gas detector (112) is formed in the support (109), and a plurality of positions of the support (109) are arranged on the second support (108).
3. The damper structure with air smoke content warning according to claim 1, wherein: one side of the buckle cover (110) is provided with a U-shaped groove for installing the rubber pad (111), and two sides of the end part of the buckle cover (110) are fixed with the support (109) through bolts.
4. The damper structure with air smoke content warning according to claim 1, wherein: the clamping plates (115) are of semicircular tubular structures with T-shaped sections, the end parts of the clamping plates (115) are abutted against the wiring pipes (114), and two clamping plates (115) are symmetrically arranged on the outer sides of the wiring pipes (114).
5. The damper structure with air smoke content warning according to claim 1, wherein: the gas detector (112) is positioned on the air inlet side of the air valve main body (101).
6. A system of a damper structure with early warning of air smoke content according to claim 1, characterized in that: the intelligent early warning device comprises an early warning controller (2), wherein the early warning controller (2) detects smoke dust content in a blast gate main body (101) through a gas detector (112) in the blast gate (1), the early warning controller (2) is connected with a system host (3), and the system host (3) controls a driving motor (103) and an exhaust fan (4) at the top end of the blast gate (1) through the early warning controller (2).
CN202310571059.5A 2023-05-20 2023-05-20 Air valve structure and system with air smoke content early warning Active CN116538305B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310571059.5A CN116538305B (en) 2023-05-20 2023-05-20 Air valve structure and system with air smoke content early warning

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Application Number Priority Date Filing Date Title
CN202310571059.5A CN116538305B (en) 2023-05-20 2023-05-20 Air valve structure and system with air smoke content early warning

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CN116538305A CN116538305A (en) 2023-08-04
CN116538305B true CN116538305B (en) 2023-10-10

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005040451A (en) * 2003-07-25 2005-02-17 Senju Sprinkler Kk Flowing water detector
CN101004267A (en) * 2006-11-15 2007-07-25 龚德明 Incineration equipment system of rotary kiln for hazardous waste garbage
JP2013255638A (en) * 2012-06-12 2013-12-26 Is Sprinkler Kk Flowing water sensor
CN106051240A (en) * 2016-06-30 2016-10-26 江苏省特种设备安全监督检验研究院南通分院 Safety valve as well as online detecting device and online detecting method of safety valve
CN211585761U (en) * 2019-11-19 2020-09-29 金华申宇环保设备有限公司 Smoke concentration detection system
CN215908404U (en) * 2021-04-25 2022-02-25 郑州天工空调机械制造有限公司 Structure-improved air valve sealing device
CN218761473U (en) * 2022-12-07 2023-03-28 广东博雅实业有限公司 Sealing structure of air valve

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005040451A (en) * 2003-07-25 2005-02-17 Senju Sprinkler Kk Flowing water detector
CN101004267A (en) * 2006-11-15 2007-07-25 龚德明 Incineration equipment system of rotary kiln for hazardous waste garbage
JP2013255638A (en) * 2012-06-12 2013-12-26 Is Sprinkler Kk Flowing water sensor
CN106051240A (en) * 2016-06-30 2016-10-26 江苏省特种设备安全监督检验研究院南通分院 Safety valve as well as online detecting device and online detecting method of safety valve
CN211585761U (en) * 2019-11-19 2020-09-29 金华申宇环保设备有限公司 Smoke concentration detection system
CN215908404U (en) * 2021-04-25 2022-02-25 郑州天工空调机械制造有限公司 Structure-improved air valve sealing device
CN218761473U (en) * 2022-12-07 2023-03-28 广东博雅实业有限公司 Sealing structure of air valve

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