CN106781189A - Fire-fighting warning device - Google Patents

Fire-fighting warning device Download PDF

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Publication number
CN106781189A
CN106781189A CN201611208048.7A CN201611208048A CN106781189A CN 106781189 A CN106781189 A CN 106781189A CN 201611208048 A CN201611208048 A CN 201611208048A CN 106781189 A CN106781189 A CN 106781189A
Authority
CN
China
Prior art keywords
conditioning box
tooth bar
bar
fire
conducting block
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.)
Pending
Application number
CN201611208048.7A
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Chinese (zh)
Inventor
黄昭和
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.)
Chongqing Hawthorn Technology Co Ltd
Original Assignee
Chongqing Hawthorn Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Hawthorn Technology Co Ltd filed Critical Chongqing Hawthorn Technology Co Ltd
Priority to CN201611208048.7A priority Critical patent/CN106781189A/en
Publication of CN106781189A publication Critical patent/CN106781189A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/06Electric actuation of the alarm, e.g. using a thermally-operated switch

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)

Abstract

The invention discloses a kind of fire-fighting warning device, including installing room, interior is installed and slidably connects conditioning box, interior is installed and is fixed with emergency alarm bell, conditioning box and installation interior are connected with the first spring, install interior and be fixed with two conducting blocks, the first tooth bar is slidably connected on installation locular wall between two conducting blocks, the first conducting block is fixed with first tooth bar, the first conducting block is provided with collets, and opening is provided with conditioning box;The second tooth bar is slidably connected on conditioning box, second spring is connected between second tooth bar and conditioning box, gear is engaged with second tooth bar, pinion rotation is connected on conditioning box, and first gear is also engaged with gear, and the wedge surface end of the second tooth bar mutually has gathering sill, gathering sill is slidably connected on conditioning box, expanding block is provided with gathering sill, reciprocating mechanism is provided with conditioning box, drive mechanism is connected between conditioning box and installation room;The present invention can be alarmed fire in time by setting emergency alarm bell, expanding block, rack and pinion.

Description

Fire-fighting warning device
Technical field
Field the present invention relates to be used for fire protection alarm system, more particularly to a kind of fire-fighting warning device.
Background technology
Fire refers in the time or spatially out of control burning.In various disasters, fire be most frequently, it is most universal Ground threatens one of major casualty of public security and social development;The mankind can be utilized and be controlled to fire, be civilization and progress An important symbol.Thus the mankind are associated interpromoting relation in five elements, Ren Men using the history and the history that same fire is struggled of fire While using fire, the rule that fire occurs constantly is summarized, be reduced as far as fire and its harm caused to the mankind.Running into People need safety, escape as soon as possible during fire.
In existing building, in order to fire prevention device, fire report are often installed in the generation of fire preventing on wall Alarm device and fire hydrant, fire prevention device are arranged on the wall of top of building, and fire alarm installation and fire hydrant can pacify On the wall of side of buildings;When there is fire, personnel know after the condition of a fire, it is necessary to personnel touch fire alarm installation Alarmed, the dense smoke of fire generation occurs will make fire prevention device sense and carry out sprinkling fire, and personnel hear alarm After the tinkle of bells, personnel will take fire hydrant and fire point will be put out a fire.
Such scheme fire alarm installation since it is desired that artificially operate on it, when such as personnel know that the condition of a fire is later, The escape time of personnel will be delayed, so as to cause personal security accident.
The content of the invention
The invention is intended to provide a kind of fire-fighting warning device that can be alarmed in time.
Fire-fighting warning device in this programme, including room is installed, interior is installed and slidably connects conditioning box, install indoor Emergency alarm bell is fixed with, conditioning box and installation interior are connected with the first spring, and installation interior is fixed with the second conducting block and the 3rd and leads Electric block, emergency alarm bell is connected electrically on the second conducting block, and the 3rd conducting block is electrically connected with power supply, the second conducting block and the 3rd conducting block Between installation locular wall on slidably connect the first tooth bar, the first conducting block is fixed with the first tooth bar, set on the first conducting block There are collets, opening is provided with conditioning box;Second tooth bar relative with the first tooth bar, the second tooth bar are slidably connected on conditioning box Second spring is connected with and conditioning box between, gear is engaged with the second tooth bar, pinion rotation is connected on conditioning box, the first tooth Wheel is also engaged with gear, and the end face of the second tooth bar is wedge surface, and the wedge surface end of the second tooth bar mutually has gathering sill, and gathering sill is slided It is connected on conditioning box, expanding block is provided with gathering sill, expanding block offsets with the wedge surface end of the second tooth bar, gathering sill and conditioning box Between be connected with the 3rd spring, be provided with conditioning box for the reciprocating reciprocating mechanism of gathering sill, reciprocating mechanism The top of the first tooth bar is arranged on, is connected with for the reciprocating drive mechanism of conditioning box between conditioning box and installation room.
The know-why of this programme:Installing room is used to support whole fire-fighting warning device, is also used for pacifying whole device Mounted within the walls;Conditioning box is used to adjust the state of alarm, and when there is fire to occur, the expanding block in conditioning box will meet High-temperature expansion, expanding block will promote the second tooth bar to be moved to the direction away from expanding block, the second rack drives gear movement, gear The motion of the first tooth bar will be driven, the first tooth bar will be moved near the direction of the second conducting block and the 3rd conducting block, the first tooth bar On the first conducting block will be contacted with the second conducting block and the 3rd conducting block, the second conducting block and the 3rd conducting block are connected, alarm Bell starts, while drive mechanism starts, drive mechanism promotes conditioning box motion, and gear is separated and be disengaged from the first tooth bar, Now the first tapered bar is relative with the first tooth bar, if the intensity of a fire is smaller be extinguished, or artificially opens by mistake warning device using burning things which may cause a fire disaster When, operating personnel can promote the first tooth bar to be moved near reciprocating mechanism by opening, the first tooth bar resets, and first is oriented to Block is separated with the second conducting block and the 3rd conducting block, and emergency alarm bell is separated with power supply, and emergency alarm bell stops sound of movement, and reciprocating mechanism is opened Dynamic, reciprocating mechanism drives gathering sill to be moved to the direction away from the second tooth bar, gathering sill and expanding block with the second tooth bar Separate, second spring promotes the second tooth bar resets, the second rack drives reset gear after expanding block cooling is restored, starts and drives Motivation structure, actuating mechanism is moved to the direction away from conditioning box, and the elastic force of the first spring causes that conditioning box resets, gear and first Tooth bar is engaged again, and now reciprocating mechanism starts, and reciprocating mechanism is moved to the direction away from gathering sill, and gathering sill is multiple Position, whole device resets to initial position.
The beneficial effect of this programme compared with prior art:1st, this programme passes through expanding block, the second tooth bar, gear and first The setting of tooth bar forms interlocking system, then by power supply, the setting of emergency alarm bell, is connected using conducting block, and then can make report Alarm device forms automatic alarm after the heat by burning things which may cause a fire disaster, personnel can be made to learn intensity of a fire situation earlier, it is to avoid delay escape Time, it is ensured that life safety;2nd, this programme can make in fire using by conditioning box, drive mechanism, the setting of reciprocating mechanism Gesture is smaller to be extinguished, or when artificially opening by mistake warning device using burning things which may cause a fire disaster, operating personnel easily restore warning device, make report Alarm device forms monitor state, in case using next time.
Further, reciprocating mechanism includes the first tapered bar being slidably connected in conditioning box, and the first tapered bar is located at first The top of tooth bar, is connected with the 4th spring between the first tapered bar and conditioning box, the first tapered bar offsets the second tapered bar, the second tapered bar The 3rd tapered bar is mutually had, the 3rd tapered bar and gathering sill offset, the second tapered bar and the 3rd tapered bar are slidably connected in conditioning box. When being resetted to conditioning box, operating personnel can promote the first tooth bar to be moved to the direction near the first tapered bar by opening, the One tooth bar resets, and promote the first tapered bar move to the direction away from the first tooth bar, the first tapered bar promotion the second tapered bar to away from The direction motion of the first tapered bar, the second tapered bar promotes the 3rd tapered bar to slide, and the 3rd tapered bar promotes gathering sill to away from the second tooth bar Direction motion, gathering sill separated with the second tooth bar, and expanding block is separated with the second tooth bar, after expanding block is cooled down, drive mechanism Start, drive mechanism drives conditioning box to reset, and gear is engaged again with the first tooth bar, and the first tapered bar is separated with the first tooth bar, the One tapered bar resets under the elastic force of the 4th spring, and the 3rd spring promotes gathering sill to reset, and gathering sill promotes the 3rd tapered bar and second Tapered bar resets, so as to complete the reset of whole device.
Further, drive mechanism includes being arranged on the air bag installed between room and conditioning box, and air bag is communicated with air blower, drum Blower fan and the second conducting block are electrically connected, and installation room is provided with the first switch for controlling air blower, and air bag is communicated with for right The discharge pipe of expanding block cooling, discharge pipe is provided with control valve.Control valve is first opened into certain aperture, allows it to flow out gas The speed of body is less than the speed of air blower eluting gas, and the first conducting block on the first tooth bar is led with the second conducting block and the 3rd After being in contact to block, the second conducting block and the 3rd guide pad are connected, and air blower is connected and started with power supply, and air blower enters to air bag Row inflation, the volume of air bag becomes big, and air bag promotes conditioning box motion, and when the first tapered bar is relative with the first tooth bar, conditioning box is touched First switch is touched, air blower is closed, and discharge pipe is exhausted to air bag, when needing that warning device is resetted, promotes the first tooth bar, Reciprocating mechanism causes that gathering sill is separated with the second tooth bar, and discharge pipe is cooled down to expanding block, accelerates expanding block and restores;When Warning device need not be restored, other constantly discharges, will make conditioning box reset in air bag, after reset, conditioning box is again with the One switch is separated, and air blower starts again, and air blower is inflated to air bag again, and air bag drives conditioning box to move again, so that Conditioning box is reciprocally moved.
Further, reciprocating mechanism is provided with second switch, second switch and control valve near the side of the first tooth bar Electrical connection, control valve and power electric connection.When promoting the first tooth bar resets, the first tooth bar touching second switch, second switch Control valve will be opened, discharge pipe will discharge the gas of air bag and cool down expanding block.
Further, first switch and second switch are touching switch.First switch and second switch are arranged to touching Switch, touching switch is relatively easy to control, and facilitates the control of air blower and control valve.
Further, air bag is fixed on installation interior.Air bag is fixed on installation interior, in air bag intake and exhaust, can avoid gas Body promotes air pocket motion, is easy to the control of air bag.
Brief description of the drawings
Fig. 1 is the schematic diagram of the embodiment of fire-fighting warning device of the present invention.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation:
Reference in Figure of description includes:Room 1 is installed, room 2, discharge pipe 3, the 4th spring 4, air bag 5, first wedge is reconciled Bar 6, control valve 7, the first tooth bar 8, emergency alarm bell 9, the first conducting block 10, collets 11, second the 12, second touching of conducting block are opened Close 13, air blower 14, opening 15, power supply 16, gathering sill 17, expanding block 18, the 3rd conducting block 19, the first spring 20, the second tooth Article the 21, the 3rd tapered bar 22, the second tapered bar 23, second spring 24, gear 25, the first touching switch 26.
Embodiment is as shown in figure 1, fire-fighting warning device, including installs room 1, installs in room 1 and slidably connects conditioning box, Install and emergency alarm bell 9 is fixed with room 1, the first spring 20 is connected with conditioning box and installation room 1, install in room 1 and be fixed with second The conducting block 19 of conducting block 12 and the 3rd, emergency alarm bell 9 is connected electrically on the second conducting block 12, and the 3rd conducting block 19 is electrically connected with power supply 16, the first tooth bar 8 is slidably connected on the wall of installation room 1 between the second conducting block 12 and the 3rd conducting block 19, on the first tooth bar 8 The first conducting block 10 is fixed with, the first conducting block 10 is provided with collets 11, opening 15 is provided with conditioning box;Slided on conditioning box Second tooth bar 21 relative with the first tooth bar 8 is connected with, second spring 24, second are connected between the second tooth bar 21 and conditioning box Gear 25 is engaged with tooth bar 21, gear 25 is rotatably connected on conditioning box, first gear 25 is also engaged with gear 25, the second tooth The right side of bar 21 is wedge surface, and the wedge surface end of the second tooth bar 21 mutually has gathering sill 17, and gathering sill 17 is slidably connected at conditioning box On, is provided with expanding block 18 in gathering sill 17, expanding block 18 offsets with the wedge surface end of the second tooth bar 21, gathering sill 17 and conditioning box it Between be connected with the 3rd spring, be provided with reciprocating mechanism in conditioning box, reciprocating mechanism includes being slidably connected in conditioning box The first tapered bar 6, the first tapered bar 6 is located at the left side top of the first tooth bar 8, the 4th is connected between the first tapered bar 6 and conditioning box Spring 4, the first tapered bar 6 mutually has the second tapered bar 23, and the second tapered bar 23 mutually has the 3rd tapered bar 22, the 3rd tapered bar 22 and gathering sill 17 are offseted, and the second tapered bar 23 and the 3rd tapered bar 22 are slidably connected in conditioning box, and drive is connected between conditioning box and installation room 1 Motivation structure, drive mechanism includes being arranged on the air bag 5 installed between room 1 and conditioning box, and air bag 5 is fixed in installation room 1, air bag 5 are communicated with air blower 14, and the conducting block 12 of air blower 14 and second is electrically connected, and install room 1 and are provided with for controlling air blower 14 First touching switch 26, air bag 5 is communicated with the discharge pipe 3 for lowering the temperature to expanding block 18, and discharge pipe 3 is provided with control valve 7, The right side of the first tapered bar 6 is provided with the second touching switch 13, and the second touching switch 13 is electrically connected with control valve 7, control valve 7 with Power supply 16 is electrically connected.
When there is fire to occur, the expanding block 18 in conditioning box will meet high-temperature expansion, and expanding block 18 will promote To left movement, the second tooth bar 21 is moved two tooth bars 21 with moving gear 25, and gear 25 will drive the first tooth bar 8 to move, the first tooth bar 8 To move right, the first conducting block 10 on the first tooth bar 8 will be contacted with the second conducting block 12 and the 3rd conducting block 19, and second leads Electric block 12 is connected with the 3rd conducting block 19, and emergency alarm bell 9 starts, while air blower 14 is connected with power supply 16 and started, air blower 14 Air bag 5 is inflated, the volume of air bag 5 becomes big, and air bag 5 promotes conditioning box to move downward, when the first tapered bar 6 and the first tooth bar 8 it is relative when, gear 25 is separated and is disengaged from the first tooth bar 8, and conditioning box touches the first touching switch 26, and air blower 14 closes Close.
If, it is necessary to enter to warning device when the intensity of a fire is smaller being extinguished, or artificially having opened by mistake warning device using burning things which may cause a fire disaster When row resets, now the first tapered bar 6 is relative with the first tooth bar 8, and operating personnel can promote the first tooth bar 8 to close by opening 15 The direction motion of the first tapered bar 6, the first tooth bar 8 is resetted, and the first tooth bar 8 is touched with the second touching switch 13, and control valve 7 is opened To certain aperture, the air-out of discharge pipe 3 exhaust, the first tooth bar 8 also promotes the first tapered bar 6 to left movement, and the first tapered bar 6 promotes the Two tapered bars 23 are moved downward, and the second tapered bar 23 promotes the 3rd tapered bar 22 to slide, and the 3rd tapered bar 22 promotes gathering sill 17 to move right, Gathering sill 17 is separated with the second tooth bar 21, and expanding block 18 is separated with the second tooth bar 21, and the gas of the discharge of discharge pipe 3 is to expanding block 18 Cooled down, air bag 5 will gradually restore, expanding block 18 gradually restores, conditioning box will be moved upwards, the tooth bar 8 of gear 25 and first Again engage, the first tapered bar 6 is separated with the first tooth bar 8, the first tapered bar 6 is resetted under the elastic force of the 4th spring 4, and the 3rd spring is pushed away Action-oriented groove 17 resets, and gathering sill 17 promotes the 3rd tapered bar 22 and the second tapered bar 23 to reset, so as to complete the reset of whole device.
Above-described is only embodiments of the invention, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme Excessive description.It should be pointed out that for a person skilled in the art, on the premise of structure of the present invention is not departed from, can be with Some deformations and improvement are made, these should also be considered as protection scope of the present invention, these are implemented all without the influence present invention Effect and practical applicability.This application claims protection domain should be defined by the content of its claim, in specification Specific embodiment etc. records the content that can be used for explaining claim.

Claims (6)

1. fire-fighting warning device, including installation room, it is characterised in that:Interior is installed and slidably connects conditioning box, install indoor Emergency alarm bell is fixed with, conditioning box and installation interior are connected with the first spring, and installation interior is fixed with the second conducting block and the 3rd and leads Electric block, emergency alarm bell is connected electrically on the second conducting block, and the 3rd conducting block is electrically connected with power supply, the second conducting block and the 3rd conducting block Between installation locular wall on slidably connect the first tooth bar, the first conducting block is fixed with the first tooth bar, set on the first conducting block There are collets, opening is provided with conditioning box;Second tooth bar relative with the first tooth bar, the second tooth bar are slidably connected on conditioning box Second spring is connected with and conditioning box between, gear is engaged with the second tooth bar, pinion rotation is connected on conditioning box, the first tooth Wheel is also engaged with gear, and the end face of the second tooth bar is wedge surface, and the wedge surface end of the second tooth bar mutually has gathering sill, and gathering sill is slided It is connected on conditioning box, expanding block is provided with gathering sill, expanding block offsets with the wedge surface end of the second tooth bar, gathering sill and conditioning box Between be connected with the 3rd spring, be provided with conditioning box for the reciprocating reciprocating mechanism of gathering sill, reciprocating mechanism The top of the first tooth bar is arranged on, is connected with for the reciprocating drive mechanism of conditioning box between conditioning box and installation room.
2. fire-fighting warning device according to claim 1, it is characterised in that:The reciprocating mechanism includes the company of slip The first tapered bar in conditioning box is connected on, the first tapered bar is located at the top of the first tooth bar, is connected between the first tapered bar and conditioning box 4th spring, the first tapered bar offsets the second tapered bar, and the second tapered bar mutually has the 3rd tapered bar, and the 3rd tapered bar and gathering sill offset, Second tapered bar and the 3rd tapered bar are slidably connected in conditioning box.
3. fire-fighting warning device according to claim 1, it is characterised in that:The drive mechanism includes being arranged on installation Air bag between room and conditioning box, air bag is communicated with air blower, and air blower and the second conducting block are electrically connected, and are installed room and are provided with use In the first switch of control air blower, air bag is communicated with the discharge pipe for lowering the temperature to expanding block, and discharge pipe is provided with control valve Door.
4. fire-fighting warning device according to claim 3, it is characterised in that:The reciprocating mechanism is near the first tooth The side of bar is provided with second switch, and second switch is electrically connected with control valve, control valve and power electric connection.
5. fire-fighting warning device according to claim 4, it is characterised in that:The first switch and second switch are Touching switch.
6. fire-fighting warning device according to claim 5, it is characterised in that:It is indoor that the air bag is fixed on installation.
CN201611208048.7A 2016-12-23 2016-12-23 Fire-fighting warning device Pending CN106781189A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611208048.7A CN106781189A (en) 2016-12-23 2016-12-23 Fire-fighting warning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611208048.7A CN106781189A (en) 2016-12-23 2016-12-23 Fire-fighting warning device

Publications (1)

Publication Number Publication Date
CN106781189A true CN106781189A (en) 2017-05-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611208048.7A Pending CN106781189A (en) 2016-12-23 2016-12-23 Fire-fighting warning device

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107503400A (en) * 2017-09-30 2017-12-22 镇江玄润消防器材有限公司 Underground fire hydrant
CN108401915A (en) * 2018-04-28 2018-08-17 习水德康农牧有限公司 Air monitering prior-warning device in pig house
CN108654187A (en) * 2018-06-14 2018-10-16 黄鹏飞 A kind of dipping vacuum filter bucket
CN110757421A (en) * 2019-11-12 2020-02-07 盐城市雷击环保科技有限公司 Quality inspection workbench for high-voltage test transformer
CN112103991A (en) * 2020-08-20 2020-12-18 国网浙江省电力有限公司嘉兴供电公司 Multi-supply-area flexible interconnection system
CN113205658A (en) * 2021-05-08 2021-08-03 帕沃电子技术有限公司 Intelligent fire detection and early warning device
CN114532395A (en) * 2022-02-08 2022-05-27 郑州凯雪冷链股份有限公司 Intelligent energy-saving environment-friendly field fruit and vegetable vacuum pre-cooling equipment system

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EP0070137A1 (en) * 1981-07-14 1983-01-19 Chubb Fire Limited Rate of temperature change detectors, and fire alarm and fire extinguishing systems using such detectors
DE29906335U1 (en) * 1999-04-09 1999-11-11 Klaar, Ralph, 53844 Troisdorf Fall rescue module
CN101066494A (en) * 2007-05-29 2007-11-07 张维顶 Automatic spraying fire extinguisher with detecting and alarming functions
CN101226852A (en) * 2008-02-02 2008-07-23 张陈 Temperature-sensing switch for miniature thermal expansion fixed electrical contact
CN202195177U (en) * 2011-08-31 2012-04-18 任彬 Fire disaster alarming cable fire resisting module with wireless temperature sensor and wireless smoke sensor
CN103920262A (en) * 2013-01-10 2014-07-16 全龙浩 Self-operated cooling and fire-fighting system for wind-driven generator
CN104795274A (en) * 2014-01-21 2015-07-22 基德科技公司 Pneumatic detector with integrated electrical contact
JP2015153026A (en) * 2014-02-12 2015-08-24 パナソニックIpマネジメント株式会社 Complex fire sensor

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070137A1 (en) * 1981-07-14 1983-01-19 Chubb Fire Limited Rate of temperature change detectors, and fire alarm and fire extinguishing systems using such detectors
DE29906335U1 (en) * 1999-04-09 1999-11-11 Klaar, Ralph, 53844 Troisdorf Fall rescue module
CN101066494A (en) * 2007-05-29 2007-11-07 张维顶 Automatic spraying fire extinguisher with detecting and alarming functions
CN101226852A (en) * 2008-02-02 2008-07-23 张陈 Temperature-sensing switch for miniature thermal expansion fixed electrical contact
CN202195177U (en) * 2011-08-31 2012-04-18 任彬 Fire disaster alarming cable fire resisting module with wireless temperature sensor and wireless smoke sensor
CN103920262A (en) * 2013-01-10 2014-07-16 全龙浩 Self-operated cooling and fire-fighting system for wind-driven generator
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107503400A (en) * 2017-09-30 2017-12-22 镇江玄润消防器材有限公司 Underground fire hydrant
CN108401915A (en) * 2018-04-28 2018-08-17 习水德康农牧有限公司 Air monitering prior-warning device in pig house
CN108654187A (en) * 2018-06-14 2018-10-16 黄鹏飞 A kind of dipping vacuum filter bucket
CN110757421A (en) * 2019-11-12 2020-02-07 盐城市雷击环保科技有限公司 Quality inspection workbench for high-voltage test transformer
CN112103991A (en) * 2020-08-20 2020-12-18 国网浙江省电力有限公司嘉兴供电公司 Multi-supply-area flexible interconnection system
CN113205658A (en) * 2021-05-08 2021-08-03 帕沃电子技术有限公司 Intelligent fire detection and early warning device
CN113205658B (en) * 2021-05-08 2022-07-08 帕沃电子技术有限公司 Intelligent fire detection and early warning device
CN114532395A (en) * 2022-02-08 2022-05-27 郑州凯雪冷链股份有限公司 Intelligent energy-saving environment-friendly field fruit and vegetable vacuum pre-cooling equipment system
CN114532395B (en) * 2022-02-08 2023-09-22 郑州凯雪冷链股份有限公司 Intelligent energy-saving environment-friendly field ground head fruit and vegetable vacuum precooling equipment system

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