CN113389938A - Signal device for fire valve - Google Patents

Signal device for fire valve Download PDF

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Publication number
CN113389938A
CN113389938A CN202110660878.8A CN202110660878A CN113389938A CN 113389938 A CN113389938 A CN 113389938A CN 202110660878 A CN202110660878 A CN 202110660878A CN 113389938 A CN113389938 A CN 113389938A
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CN
China
Prior art keywords
cover
fixedly connected
wall
power supply
sliding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202110660878.8A
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Chinese (zh)
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CN113389938B (en
Inventor
黄种斗
尤志伟
庄彬洪
谢志伟
林良明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Minshan Fire Fighting Co ltd
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Fujian Minshan Fire Fighting Co ltd
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Priority to CN202110660878.8A priority Critical patent/CN113389938B/en
Publication of CN113389938A publication Critical patent/CN113389938A/en
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Publication of CN113389938B publication Critical patent/CN113389938B/en
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    • 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
    • F16K37/0041Electrical or magnetic means for measuring valve parameters
    • 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
    • F16K37/0058Optical means, e.g. light transmission, observation ports
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fire Alarms (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)

Abstract

The invention discloses a signal device for a fire valve, and relates to the technical field of fire-fighting equipment. A signalling device for fire control valve, including the equipment shell, equipment shell is inside to be installed pressure respectively and is felt mechanism and signal display, pressure is felt mechanism and signal display telecommunications connection, the equipment shell bottom ann has the power supply box, signal display includes the warning cover, warning cover back inner wall fixedly connected with mounting box, the equidistance is provided with the baffle between the mounting box both sides inner wall, the lamp plate is installed to mounting box back inner wall, the lamp plate is provided with and is many just separated by the baffle, the positive joint of mounting box has coloured glass, the positive fixedly connected with protective glass of warning cover. The signal display is powered by the power supply box, the lighting position of the lamp panel in the signal display is controlled by the pressure sensing mechanism, and the colored glass is used for emitting signal light, so that the effect of displaying light according to different opening degrees of the valve is achieved.

Description

Signal device for fire valve
Technical Field
The invention relates to the technical field of fire fighting equipment, in particular to a signal device for a fire valve.
Background
The fire valve is an important accessory controlled on industrial and building pipelines, and the type of the fire valve can be divided into a wedge-type gate valve and a parallel gate valve according to the arrangement of a sealing surface, and the wedge-type gate valve can be divided into a single gate type, a double gate type and an elastic gate type; the parallel gate plate type gate valve can be divided into a single gate plate type and a double gate plate type; the valve rod is divided according to the thread position of the valve rod and can be divided into a rising stem gate valve and a non-rising stem gate valve.
The opening and closing condition of the fire valve can only be observed by a signal device of the existing fire valve, the opening degree of the fire valve cannot be known, and the signal device is inconvenient for fire fighters to use and confirm.
Disclosure of Invention
The present invention aims to provide a signalling device for fire valves that solves the problems set out in the above background.
In order to achieve the purpose, the invention provides the following technical scheme: a signal device for a fire valve comprises an equipment shell, wherein a pressure sensing mechanism and a signal display are respectively arranged in the equipment shell, the pressure sensing mechanism is in telecommunication connection with the signal display, a power supply box is arranged at the bottom of the equipment shell, the signal display comprises a warning cover, a mounting box is fixedly connected with the inner wall of the back of the warning cover, partition plates are arranged between the inner walls of two sides of the mounting box at equal intervals, a lamp plate is arranged on the inner wall of the back of the mounting box, the lamp plate is provided with a plurality of partition plates which are separated, colored glass is clamped on the front of the mounting box, protective glass is fixedly connected with the front of the warning cover, a power supply is arranged on the back of the warning cover, the power supply is provided with a plurality of power supplies which are respectively in telecommunication connection with the lamp plate, the power supplies are connected in series through a series line, one end of the series line is connected with the power supply box, and the back of the power supply is fixedly connected with a connecting wire, the other end of the connecting wire is connected with the pressure sensing mechanism.
Further, the equipment shell includes the installation cover, the installation mouth has been seted up to installation cover outer wall equidistance, signal display installs in the installation mouth inner wall, the spacing pipe in installation cover bottom inner wall fixedly connected with middle part, the spacing pipe outer wall fixedly connected with spacing ring in middle part, installation cover top fixedly connected with top cover, the rotatory cover of top cover inner wall sliding connection, rotatory cover bottom is run through in top cover top fixedly connected with contact plate, rotatory cover top fixedly connected with top hexagonal fixed cover, top hexagonal fixed cover outer wall runs through equipment has top fixing bolt, installation cover bottom fixedly connected with extends the cover, it has bottom hexagonal fixed cover to extend cover bottom fixedly connected with, bottom hexagonal fixed cover outer wall equidistance runs through and is provided with bottom fixing bolt.
Furthermore, the pressure sensing mechanism comprises an induction shell, an inner wall of the bottom of the induction shell is fixedly connected with a damper, a fixed column is fixedly connected with the top of the damper, a support column is fixedly connected with the top of the fixed column, the top of the support column is rotatably connected with an idler wheel, the top of the idler wheel is in contact with the bottom of a contact plate, contact electrodes are arranged in the front of the induction shell in an equidistant mode and are connected with the connection wires in a penetrating mode, a sliding groove opening is formed in the side face of the induction shell, a sliding plate is connected to the inner wall of the sliding groove opening in a sliding mode, a conductive column is arranged in a penetrating mode on the side face of the sliding plate, the other end of the conductive column penetrates through the side face of the fixed column and the front of the sliding electrode, and the sliding electrode is in contact with the contact electrodes.
Furthermore, the power supply box comprises a battery compartment, two sides of the battery compartment are respectively and fixedly connected with an electrode plate, and a control button is installed at the top of the battery compartment.
Furthermore, the signal display is provided with a plurality of, the warning cover is fan-shaped structure, cover glass is arc mechanism.
Furthermore, the top of the limiting ring starts to be provided with limiting holes at equal intervals, and the supporting columns are located inside the limiting holes.
Furthermore, the outer wall of the sliding plate is in sliding contact with the inner wall of the sliding chute opening, and the conductive column is of an L-shaped structure.
Furthermore, one end of the conductive column is fixedly connected with the sliding electrode, a connecting hole is formed in the other side of the conductive column, and the conductive column is connected with the power supply box through the connecting hole.
Furthermore, one of the electrode plates is connected with the series line, and the other electrode plate is connected with the connecting hole and the conductive column through a conducting wire.
Further, the sliding electrode has a fan-shaped structure.
Furthermore, the rotating cover is a bucket-shaped mechanism, and the specifications of the top fixing bolt and the bottom fixing bolt are the same.
Compared with the prior art, the invention has the beneficial effects that:
(1) the utility model discloses a signal device for fire control valve, this signal device for fire control valve, through the power supply box to signal display's the position of lighting of supplying power and through the inside lamp plate of pressure-sensitive mechanism control signal display, thereby it sends the effect that signal light reaches the different demonstration light according to the valve degree of opening to recycle colored glass.
(2) This a signalling device for fire control valve is through a plurality of contact electrodes that set up to utilize a plurality of contact electrodes to connect different power supplies ware, utilize sliding electrode to connect different return circuits and realize that different lamp plates light, thereby realize according to the different effects of controlling different return circuits and opening of valve rod position.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is an exploded view of the device housing of the present invention;
FIG. 5 is a schematic diagram of a signal display according to the present invention;
FIG. 6 is a schematic diagram of a power supply box according to the present invention;
fig. 7 is a schematic structural diagram of the pressure-sensitive mechanism of the present invention.
In the figure: 1. an equipment housing; 101. mounting a cover; 102. an installation port; 103. an extension hood; 104. a bottom hexagonal fixing cover; 105. a bottom fixing bolt; 106. a middle limiting pipe; 107. a limiting ring; 108. a top cover; 109. a contact plate; 110. a rotating cover; 111. a top fixing bolt; 112. a hexagonal fixed cover at the top; 2. a signal display; 201. a warning cover; 202. mounting a box; 203. a partition plate; 204. a lamp panel; 205. colored glass; 206. protective glass; 207. a power supply; 208. a series line; 209. connecting a lead; 3. a power supply box; 301. a battery compartment; 302. an electrode plate; 303. a control button; 4. a pressure sensing mechanism; 401. an induction housing; 402. a damper; 403. fixing a column; 404. a chute opening; 405. connecting holes; 406. a slide plate; 407. a conductive post; 408. a sliding electrode; 409. a contact electrode; 410. a support pillar; 411. and a roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.
As shown in fig. 1 to 7, the present invention provides a technical solution: a signal device for a fire valve comprises an installation equipment shell 1 of installation equipment, the equipment shell 1 comprises an installation cover 101, installation ports 102 are equidistantly formed in the outer wall of the installation cover 101, the number of the installation ports 102 is four, the number of the same signal displays 2 is also four, the signal displays 2 are installed on the inner wall 102 of the installation ports, a middle limiting pipe 106 is fixedly connected to the inner wall of the bottom of the installation cover 101, the inner part of the middle limiting pipe 106 is used for passing a valve rod, a limiting ring 107 is fixedly connected to the outer wall of the middle limiting pipe 106, a top cover 108 is fixedly connected to the top of the installation cover 101, the top cover 108 is inverted funnel-shaped, a rotating cover 110 is slidably connected to the inner wall of the top cover 108, a contact plate 109 is fixedly connected to the top of the rotating cover 110 in a penetrating mode, the contact plate 109 is annular, a top hexagonal fixing cover 112 is fixedly connected to the top of the rotating cover 110, a top hexagonal fixing bolt 111 penetrates through the outer wall of the top hexagonal fixing cover 112, utilizing a top hexagonal fixing cover 112 and a top fixing bolt 111 to fix a valve rod, fixedly connecting an extension cover 103 at the bottom of an installation cover 101, fixedly connecting a bottom hexagonal fixing cover 104 at the bottom of the extension cover 103, equidistantly penetrating the outer wall of the bottom hexagonal fixing cover 104 to be provided with bottom fixing bolts 105, firstly utilizing the bottom hexagonal fixing cover 104 and the bottom fixing bolts 105 of an equipment shell 1 to fix a valve body, equidistantly starting to form a limiting hole at the top of a limiting ring 107, positioning a supporting column 410 inside the limiting hole, placing the supporting column 410 to generate deviation, wherein a rotating cover 110 is a bucket-shaped mechanism, the specifications of the top fixing bolts 111 and the bottom fixing bolts 105 are the same, a pressure sensing mechanism 4 and a signal display 2 are respectively installed inside the equipment shell 1, the pressure sensing mechanism 4 and the signal display 2 are both installed and installed on the inner wall at the bottom of the installation cover 101, the pressure sensing mechanism 4 comprises an induction shell 401, and a damper 402 is fixedly connected on the inner wall at the bottom of the induction shell 401, the damper 402 assists the valve rod to lift and fix, the top of the damper 402 is fixedly connected with a fixed column 403, the top of the fixed column 403 is fixedly connected with a supporting column 410, the top of the supporting column 410 is rotatably connected with a roller 411, the top of the roller 411 is contacted with the bottom of the contact plate 109, the front of the induction housing 401 is provided with contact electrodes 409 in an equidistant penetrating manner, the front of the contact electrodes 409 is respectively connected with a connecting lead 209, the side of the induction housing 401 is provided with a chute opening 404, the inner wall of the chute opening 404 is connected with a sliding plate 406 in a sliding manner, the side of the sliding plate 406 is provided with a conductive column 407 in a penetrating manner, the conductive column 407 is made of copper material, the other end of the conductive column 407 penetrates the side of the fixed column 403 and the front of the fixed column 403 and is fixedly connected with a sliding electrode 408, the sliding electrode 408 is contacted with the contact electrode 409, the outer wall of the sliding plate 406 is in a sliding contact with the inner wall of the chute opening 404, and the sliding plate 406 can move up and down along with the fixed column 403 to limit the up and down, the conductive column 407 is of an L-shaped structure, one end of the conductive column 407 is fixedly connected with the sliding electrode 408, a connecting hole 405 is formed in the other side of the conductive column 407, the connecting hole 405 is used for connecting a conductive wire, the conductive column 407 is connected with the power supply box 3 through the connecting hole 405, the sliding electrode 408 is of a fan-shaped structure, the pressure sensing mechanism 4 is in telecommunication connection with the signal display 2, the power supply box 3 is arranged at the bottom of the equipment shell 1, the power supply box 3 comprises a battery bin 301, electrode plates 302 are respectively and fixedly connected to two sides of the battery bin 301, a control button 303 is arranged at the top of the battery bin 301, one electrode plate 302 is connected with the series connection line 208, the other electrode plate 302 is connected with the connecting hole 405 and the conductive column 407 through a conducting wire, the signal display 2 comprises a warning cover 201, a mounting box 202 is fixedly connected to the inner wall of the back of the warning cover 201, partition plates 203 are arranged between the inner walls of two sides of the mounting box 202 at equal intervals, and a lamp plate 204 is arranged on the inner wall of the back of the mounting box 202, lamp plate 204 is provided with many and is separated by baffle 203, the positive joint of mounting box 202 has colored glass 205, the positive fixedly connected with cover glass 206 of warning cover 201, warning cover 201 back mounted has power supply ware 207, power supply ware 207 is provided with a plurality ofly and respectively with lamp plate 204 telecommunications connection, establish ties through series connection 208 between the power supply ware 207, series connection 208 one end is connected with power supply box 3, the equal fixedly connected with connecting wire 209 in power supply ware 207 back, the connecting wire 209 other end is connected with pressure-sensitive mechanism 4, signal display 2 is provided with a plurality ofly, warning cover 201 is fan-shaped structure, cover glass 206 is arc mechanism.
When the device is used, firstly, the valve body is fixed by the bottom hexagonal fixing cover 104 and the bottom fixing bolt 105 of the device shell 1, the valve rod is fixed by the top hexagonal fixing cover 112 and the top fixing bolt 111, so that the rotating cover 110 is driven to rotate and move downwards when the valve rod rotates, the contact plate 109 is used for contacting and pressing the support column 410 and the damper 402, the power supply box 3 supplies power to the signal display 2 by the battery in the battery bin 301, the contact electrode 409 of the power supply 207 corresponding to different lamp panels 204 is changed in the downwards moving process by the conductive column 407 and the sliding electrode 408 in the fixed column 403 connected with the support column 410 so as to control the lighting of different lamp panels 204 in the signal display 2, the color change of the signal display 2 is controlled by the colored glass 205 corresponding to different colors in different lamp panels 204, and the color of the signal display 2 is changed differently in the continuously downwards moving process of the contact plate 109 driven by the valve rod, so as to judge the opening degree of the fire valve .
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A signalling device for fire control valve, including equipment shell (1), equipment shell (1) is inside to be installed pressure respectively and is felt mechanism (4) and signal display (2), pressure is felt mechanism (4) and signal display (2) telecommunications connection, equipment shell (1) bottom ann has power supply box (3), its characterized in that: the signal display (2) comprises a warning cover (201), a mounting box (202) is fixedly connected with the inner wall of the back of the warning cover (201), a partition plate (203) is arranged between the inner walls of two sides of the mounting box (202) at equal intervals, a lamp panel (204) is installed on the inner wall of the back of the mounting box (202), the lamp panel (204) is provided with a plurality of partitions (203), colored glass (205) is clamped on the front surface of the mounting box (202), protective glass (206) is fixedly connected with the front surface of the warning cover (201), a power supply device (207) is installed on the back surface of the warning cover (201), the power supply device (207) is provided with a plurality of power supplies and is respectively in telecommunication connection with the lamp panel (204), the power supply devices (207) are connected in series through series connection wires (208), one end of the series connection wires (208) is connected with the power supply box (3), and connecting wires (209) are fixedly connected with the back of the power supply device (207), the other end of the connecting wire (209) is connected with the pressure sensing mechanism (4).
2. A signalling device for a fire valve as claimed in claim 1, wherein: the device shell (1) comprises an installation cover (101), the installation opening (102) is formed in the outer wall of the installation cover (101) in an equal distance mode, the signal display (2) is installed on the inner wall (102) of the installation opening, the inner wall of the bottom of the installation cover (101) is fixedly connected with a middle limiting pipe (106), the outer wall of the middle limiting pipe (106) is fixedly connected with a limiting ring (107), the top of the installation cover (101) is fixedly connected with a top cover (108), the inner wall of the top cover (108) is connected with a rotating cover (110) in a sliding mode, the bottom of the rotating cover (110) penetrates through the top of the top cover (108) and is fixedly connected with a contact plate (109), the top of the rotating cover (110) is fixedly connected with a top hexagonal fixing cover (112), the outer wall of the top hexagonal fixing cover (112) penetrates through a device and is provided with a top fixing bolt (111), and the bottom of the installation cover (101) is fixedly connected with an extension cover (103), extend cover (103) bottom fixedly connected with bottom hexagonal fixed cover (104), bottom hexagonal fixed cover (104) outer wall equidistance runs through and is provided with bottom fixing bolt (105).
3. A signalling device for a fire valve as claimed in claim 2, wherein: the pressure sensing mechanism (4) comprises an induction shell (401), a damper (402) is fixedly connected to the inner wall of the bottom of the induction shell (401), a fixed column (403) is fixedly connected to the top of the damper (402), a supporting column (410) is fixedly connected to the top of the fixed column (403), a roller (411) is rotatably connected to the top of the supporting column (410), the top of the roller (411) is in contact with the bottom of a contact plate (109), contact electrodes (409) are arranged on the front of the induction shell (401) in an equidistant penetrating manner, the front of each contact electrode (409) is respectively connected with a connecting lead (209), a sliding groove opening (404) is formed in the side of the induction shell (401), a sliding plate (406) is slidably connected to the inner wall of the sliding groove opening (404), a conductive column (407) is arranged on the side of the sliding plate (406) in a penetrating manner, and the other end of each conductive column (407) penetrates through the side of the fixed column (403) and is fixedly connected with a sliding electrode (408) on the front of the sliding plate, the sliding electrode (408) is in contact with a contact electrode (409).
4. A signalling device for a fire valve as claimed in claim 3, wherein: the power supply box (3) comprises a battery compartment (301), two sides of the battery compartment (301) are respectively fixedly connected with an electrode plate (302), and a control button (303) is installed at the top of the battery compartment (301).
5. A signalling device for a fire valve as claimed in claim 1, wherein: signal display (2) are provided with a plurality ofly, warning cover (201) are fan-shaped structure, cover glass (206) are arc mechanism.
6. A signalling device for a fire valve as claimed in claim 3, wherein: the top of the limiting ring (107) is provided with limiting holes at equal intervals, and the supporting columns (410) are positioned in the limiting holes.
7. A signalling device for a fire valve as claimed in claim 3, wherein: the outer wall of the sliding plate (406) is in sliding contact with the inner wall of the sliding groove opening (404), and the conductive column (407) is of an L-shaped structure.
8. A signalling device for a fire valve as claimed in claim 3, wherein: one end of the conductive column (407) is fixedly connected with the sliding electrode (408), a connecting hole (405) is formed in the other side of the conductive column (407), and the conductive column (407) is connected with the power supply box (3) through the connecting hole (405).
9. A signalling device for a fire valve as claimed in claim 4, wherein: one electrode plate (302) is connected with the series line (208), and the other electrode plate (302) is connected with the connecting hole (405) and the conductive column (407) through conducting wires.
10. A signalling device for a fire valve as claimed in claim 3, wherein: the sliding electrode (408) is of a fan-shaped structure.
CN202110660878.8A 2021-06-15 2021-06-15 Signal device for fire valve Active CN113389938B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110660878.8A CN113389938B (en) 2021-06-15 2021-06-15 Signal device for fire valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110660878.8A CN113389938B (en) 2021-06-15 2021-06-15 Signal device for fire valve

Publications (2)

Publication Number Publication Date
CN113389938A true CN113389938A (en) 2021-09-14
CN113389938B CN113389938B (en) 2023-08-08

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CN201818890U (en) * 2010-10-22 2011-05-04 陈坤明 Fire-fighting signal gate valve with switching signal indicator lamps
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CN103403426A (en) * 2010-11-25 2013-11-20 株式会社富士金 Automatic-valve opening degree detection device
US20140096850A1 (en) * 2011-12-15 2014-04-10 Honeywell International Inc. Visual indicator for a safety shut off valve
CN205401776U (en) * 2016-03-25 2016-07-27 福建科达消防阀门制造有限公司 Fire -fighting signal gate valve with switching signal indicator lamps
CN205824889U (en) * 2016-06-20 2016-12-21 深圳市利思达光电科技有限公司 Anti-dazzle wall lamp
CN106838448A (en) * 2017-02-28 2017-06-13 福建省远昌消防阀门有限公司 For the recoil simulator of fire valve
CN206545731U (en) * 2017-02-22 2017-10-10 陈重庆 A kind of fire-fighting signal gate valve
CN109944979A (en) * 2017-12-21 2019-06-28 国家电投集团科学技术研究院有限公司 Valve opening instruction device
CN209430851U (en) * 2019-01-30 2019-09-24 凤城市韩阳实业有限公司 A kind of valve opening display structure
CN212455710U (en) * 2020-05-29 2021-02-02 郑州市雅洁物业管理有限责任公司 Property secondary water supply pump house anti-flooding device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030157883A1 (en) * 2002-02-19 2003-08-21 Young-Yeal Kwak Grille controlling apparatus for indoor ventilator
CN201818890U (en) * 2010-10-22 2011-05-04 陈坤明 Fire-fighting signal gate valve with switching signal indicator lamps
CN103403426A (en) * 2010-11-25 2013-11-20 株式会社富士金 Automatic-valve opening degree detection device
CN201902673U (en) * 2010-11-29 2011-07-20 天津百利二通机械有限公司 Intelligent opening indicator window structure of valve electric actuator
US20140096850A1 (en) * 2011-12-15 2014-04-10 Honeywell International Inc. Visual indicator for a safety shut off valve
CN205401776U (en) * 2016-03-25 2016-07-27 福建科达消防阀门制造有限公司 Fire -fighting signal gate valve with switching signal indicator lamps
CN205824889U (en) * 2016-06-20 2016-12-21 深圳市利思达光电科技有限公司 Anti-dazzle wall lamp
WO2017219572A1 (en) * 2016-06-20 2017-12-28 深圳市利思达光电科技有限公司 Anti-dazzle wall lamp
CN206545731U (en) * 2017-02-22 2017-10-10 陈重庆 A kind of fire-fighting signal gate valve
CN106838448A (en) * 2017-02-28 2017-06-13 福建省远昌消防阀门有限公司 For the recoil simulator of fire valve
CN109944979A (en) * 2017-12-21 2019-06-28 国家电投集团科学技术研究院有限公司 Valve opening instruction device
CN209430851U (en) * 2019-01-30 2019-09-24 凤城市韩阳实业有限公司 A kind of valve opening display structure
CN212455710U (en) * 2020-05-29 2021-02-02 郑州市雅洁物业管理有限责任公司 Property secondary water supply pump house anti-flooding device

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