CN110748266A - Switch control device for door of fume chamber - Google Patents

Switch control device for door of fume chamber Download PDF

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Publication number
CN110748266A
CN110748266A CN201810821442.0A CN201810821442A CN110748266A CN 110748266 A CN110748266 A CN 110748266A CN 201810821442 A CN201810821442 A CN 201810821442A CN 110748266 A CN110748266 A CN 110748266A
Authority
CN
China
Prior art keywords
driver
cabinet door
controller
detector
fume hood
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
CN201810821442.0A
Other languages
Chinese (zh)
Inventor
李波
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.)
Shanghai Jiena Electromechanical Technology Co Ltd
Original Assignee
Shanghai Jiena Electromechanical 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 Shanghai Jiena Electromechanical Technology Co Ltd filed Critical Shanghai Jiena Electromechanical Technology Co Ltd
Priority to CN201810821442.0A priority Critical patent/CN110748266A/en
Publication of CN110748266A publication Critical patent/CN110748266A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/60Power-operated mechanisms for wings using electrical actuators
    • E05F15/603Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/635Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by push-pull mechanisms, e.g. flexible or rigid rack-and-pinion arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
    • B08B15/023Fume cabinets or cupboards, e.g. for laboratories
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/70Power-operated mechanisms for wings with automatic actuation
    • E05F15/73Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00Braking devices, e.g. checks; Stops; Buffers
    • E05F5/06Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/70Power-operated mechanisms for wings with automatic actuation
    • E05F15/73Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
    • E05F2015/765Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects using optical sensors

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  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The invention discloses a control device for opening and closing a cabinet door of a fume hood, wherein the control device is connected with the fume hood and used for controlling the opening and closing of the cabinet door, the control device comprises a detector, a controller, a driving device and a driving power supply, the cabinet door is arranged on one side of the fume hood, the detector and the controller are both arranged at one end, close to the cabinet door, of the top of the fume hood, the driving devices are both arranged on two sides of the cabinet door, the driving devices comprise a driver connected with the cabinet door and a buffer connected with the fume hood, a connecting rope connected with the driver is arranged on the buffer, the buffer is arranged right above the driver, guide rails matched with the driver are arranged on the inner walls on two sides of the fume; the detector is connected with the controller through a wireless or wired mode, the controller is connected with the driver in a control mode, and the driving power supply is electrically connected with the detector, the controller, the driver and the buffer respectively.

Description

Switch control device for door of fume chamber
Technical Field
The invention relates to the field of machinery, in particular to a switch control device for a cabinet door of a fume hood.
Background
The fume chamber is a local exhaust equipment commonly used in the laboratory, the fume chamber can be complete with various harmful gas and smog that produce in the experimentation, in time discharge workplace, can prevent that the operator from inhaling poisonous, harmful, the gas that has the peculiar smell, fine guard action has been played to the operator, but need the people for opening and closing the cabinet door when using, often the operator can't directly operate or inconvenient operation, the fume chamber has just appeared the drawback of many, consequently, need an automation to open the cabinet door and the controlling means who closes, the operator of being convenient for uses.
Disclosure of Invention
The invention aims to solve the technical problem of providing a ventilation cabinet door opening and closing control device, which can detect an operator close to a cabinet door through a detector, when the operator is close to the cabinet door, the detector feeds back to a controller, the controller controls a driver to move to open the cabinet door, when the operator moves far to a certain distance, the detector feeds back to the controller, the controller controls the driver to move to close the cabinet door, and when the driver stops working in an unexpected situation, a buffer can pull up the cabinet door to move upwards and downwards.
In order to solve the technical problems, the invention provides the following technical scheme: a switch control device for a cabinet door of a fume hood is connected to the fume hood and used for controlling the opening and closing of the cabinet door, wherein the control device comprises a detector, a controller, a driving device and a driving power supply, the cabinet door is arranged on one side of the fume hood, the detector and the controller are both arranged at one end, close to the cabinet door, of the top of the fume hood, the driving device is arranged on both sides of the cabinet door, the driving device comprises a driver connected to the cabinet door and a buffer connected to the fume hood, a connecting rope connected with the driver is arranged on the buffer, the buffer is arranged right above the driver, guide rails matched with the driver are arranged on the inner walls of both sides of the fume hood, and driving wheels connected to the guide rails are arranged on the driver;
the detector is connected with the controller in a wireless or wired mode, the controller is connected with the driver in a control mode, and the driving power supply is electrically connected with the detector, the controller, the driver and the buffer respectively.
The fume chamber cabinet door control device is characterized in that the detector comprises an infrared detector, an image collector and a processor, the infrared detector and the image collector are electrically connected to the processor respectively, the processor and the controller are in wireless or wired connection, and the infrared detector and the image collector are arranged at one end, close to the cabinet door, of the fume chamber.
The fume chamber cabinet door control device is characterized in that a rope winder and a speed meter are arranged inside the buffer, one end of the connecting rope is connected to the driver, the other end of the connecting rope is fixed to the rope winder and is partially wound on the rope winder, a damper connected to the rope winder is arranged inside the buffer, the speed meter is connected with the controller in a wireless mode, and the controller controls and connects the rope winder and the damper.
The fume chamber cabinet door control device is characterized in that a rotating shaft connected with the driving wheel is arranged inside the driver, sawteeth are arranged on the periphery of the driving wheel, and tooth grooves matched with the sawteeth are formed in the guide rail.
The cabinet door control device of the fume hood is characterized in that the top of the driver is provided with a fixing ring connected with the connecting rope, and the connecting rope is provided with a quick hanger matched with the fixing ring.
According to the technical scheme provided by the invention, the control device for the cabinet door of the fume hood has the following effects: can detect the operating personnel who is close to the cabinet door through the detector, when operating personnel is very near from the cabinet door, detector feedback to controller, controller control driver removes and opens the cabinet door, when operating personnel walks far away to the certain distance, detector feedback to controller, controller control driver removes and closes the cabinet door, the buffer can pull up the cabinet door and carry out upwards, decurrent removal when unexpected condition driver stop work, simple structure, convenient to use.
Drawings
FIG. 1 is a schematic structural view of a use state of a control device for a door of a fume hood according to the present invention;
FIG. 2 is a front perspective view of a fume hood door control apparatus of the present invention;
FIG. 3 is a schematic diagram of an internal structure of a damper in a control device for a door of a fume hood according to the present invention;
fig. 4 is a schematic view of a connection structure of a driving wheel and a guide rail in a control device of a cabinet door of a fume hood.
Wherein the reference numbers are as follows: the device comprises a detector 101, a fume hood 102, a cabinet door 103, an infrared detector 201, an image collector 202, a driver 203, a buffer 204, a connecting rope 205, a driving wheel 206, a guide rail 207, a rotating shaft 208, a fixing ring 209, a quick hanger 210, a rope winder 301, a velometer 302, a damper 303, a sawtooth 401 and a tooth socket 402.
Detailed Description
In order to make the technical means, the characteristics, the purposes and the functions of the invention easy to understand, the invention is further described with reference to the specific drawings.
The invention provides a switch control device for a cabinet door of a ventilation cabinet, aiming at detecting an operator close to the cabinet door through a detector, when the operator is very close to the cabinet door, the detector feeds back to a controller, the controller controls a driver to move to open the cabinet door, when the operator moves far to a certain distance, the detector feeds back to the controller, the controller controls the driver to move to close the cabinet door, and when the driver stops working in an unexpected situation, a buffer can pull up the cabinet door to move upwards and downwards, so that the switch control device is simple in structure and convenient to use.
As shown in fig. 1-2, a fume hood door opening and closing control device, which is connected to a fume hood 102 and used for controlling opening and closing of a door 103, wherein the control device includes a detector 101, a controller, a driving device, and a driving power supply, the door 103 is disposed on one side of the fume hood 102, the detector 101 and the controller are both disposed on one end of the top of the fume hood 102 near the door 103, the driving device is disposed on both sides of the door 103, the driving device includes a driver 203 connected to the door 103 and a buffer 204 connected to the fume hood 102, a connecting rope 205 connected to the driver 203 is disposed on the buffer 204, the buffer 204 is disposed right above the driver 203, guide rails 207 matched with the driver 203 are disposed on inner walls of both sides of the fume hood 102, and driving wheels 206 connected to the guide rails 207 are disposed on the driver;
the detector 101 is connected with a controller through wireless or wired connection, the controller is connected with a driver 203 in a control mode, and a driving power supply is electrically connected with the detector 101, the controller, the driver 203 and a buffer 204 respectively.
The adopted detector 101 comprises an infrared detector 201, an image collector 202 and a processor, the infrared detector 201 and the image collector 202 are respectively and electrically connected with the processor, the processor and the controller are connected in a wireless or wired manner, the infrared detector 201 and the image collector 202 are both arranged at one end of the fume hood 102 close to the door 103, when the fume hood is used, the infrared detector 201 and the image collector 202 detect the distance between an operator and the door 103 in front of the door 103 in real time, when the operator approaches the door 103 to a certain distance, the operator feeds back feedback information to the controller, the controller receives the feedback information and processes the feedback information and controls a driver 203 to drive a driving wheel 206 to rotate so as to drive the whole door 103 to move upwards on a guide rail 207, when the operator leaves or leaves the door 103 to a certain distance, the controller controls the driver 203 to drive the driving wheel 206 to drive the whole door 103 to move downwards on the guide rail 207, the whole process of opening and closing the door is completed.
As shown in fig. 3, in the control device for a door of a fume hood provided by this embodiment, a rope winder 301 and a velometer 302 are arranged inside a buffer 204, one end of a connecting rope 205 is connected to a driver 203, the other end of the connecting rope 205 is fixed on the rope winder 301 and is partially wound on the rope winder 301, a damper 303 connected to the rope winder 301 is arranged inside the buffer 204, the velometer 302 is connected with a controller through wireless, the controller controls and connects the rope winder 301 and the damper 303, in use, when the driver 203 fails and the door 103 is opened, the door 103 is not controlled to move downwards, and the velometer 302 detects the instantaneous speed increase of the connecting rope 205, and the detection result is sent to the controller, the controller controls the rope winder 301 and the damper 303, the damper 303 is matched with the rope winder 301 to pull up the connecting rope 205 so as to open the cabinet door 103, and the rope winder 301 rotates in the opposite direction to close the cabinet door 103.
As shown in fig. 4, in the control device for a door of a fume hood provided by this embodiment, a rotating shaft 208 connected to a driving wheel 206 is provided inside a driving device 203, saw teeth 401 are provided on the periphery of the driving wheel 206, and a tooth groove 402 matching with the saw teeth 401 is provided on the guide rail 207.
The top of the driver 203 adopted by the control device for the cabinet door of the fume hood provided by the embodiment is provided with a fixing ring 209 connected with a connecting rope 205, and the connecting rope 205 is provided with a quick-hanging bracket 210 matched with the fixing ring 209.
In summary, according to the switch control device for the cabinet door of the fume hood, the detector can detect an operator approaching the cabinet door, when the operator is close to the cabinet door, the detector feeds back to the controller, the controller controls the driver to move to open the cabinet door, when the operator moves far to a certain distance, the detector feeds back to the controller, the controller controls the driver to move to close the cabinet door, and when the driver stops working in an unexpected situation, the buffer can pull up the cabinet door to move upwards and downwards, so that the switch control device is simple in structure and convenient to use.
Specific embodiments of the invention have been described above. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by one skilled in the art within the scope of the claims without departing from the spirit of the invention, and without affecting the spirit of the invention.

Claims (5)

1. A switch control device for a cabinet door of a fume hood is connected to the fume hood and used for controlling the opening and closing of the cabinet door, and is characterized in that the control device comprises a detector, a controller, a driving device and a driving power supply, the cabinet door is arranged on one side of the fume hood, the detector and the controller are both arranged at one end, close to the cabinet door, of the top of the fume hood, the driving device is arranged on both sides of the cabinet door, the driving device comprises a driver connected to the cabinet door and a buffer connected to the fume hood, a connecting rope connected with the driver is arranged on the buffer, the buffer is arranged right above the driver, guide rails matched with the driver are arranged on the inner walls of both sides of the fume hood, and driving wheels connected to the guide rails are arranged on the driver;
the detector is connected with the controller in a wireless or wired mode, the controller is connected with the driver in a control mode, and the driving power supply is electrically connected with the detector, the controller, the driver and the buffer respectively.
2. The control device for the cabinet door of the ventilation cabinet according to claim 1, wherein the detector comprises an infrared detector, an image collector and a processor, the infrared detector and the image collector are electrically connected to the processor respectively, the processor and the controller are connected in a wireless or wired manner, and the infrared detector and the image collector are both arranged at one end of the ventilation cabinet close to the cabinet door.
3. The control device for the door of a ventilation hood according to claim 2, wherein a rope winder and a speed detector are arranged inside the buffer, one end of the connecting rope is connected to the driver, the other end of the connecting rope is fixed on the rope winder and is partially wound on the rope winder, a damper connected to the rope winder is arranged inside the buffer, the speed detector is wirelessly connected with the controller, and the controller is connected with the rope winder and the damper in a control mode.
4. The control device for the door of the fume hood according to claim 3, wherein the driver is internally provided with a rotating shaft connected with the driving wheel, the periphery of the driving wheel is provided with saw teeth, and the guide rail is provided with tooth grooves matched with the saw teeth.
5. The control device for the door of the fume hood according to claim 4, wherein the top of the driver is provided with a fixing ring connected with the connecting rope, and the connecting rope is provided with a quick-hanging device matched with the fixing ring.
CN201810821442.0A 2018-07-24 2018-07-24 Switch control device for door of fume chamber Pending CN110748266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810821442.0A CN110748266A (en) 2018-07-24 2018-07-24 Switch control device for door of fume chamber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810821442.0A CN110748266A (en) 2018-07-24 2018-07-24 Switch control device for door of fume chamber

Publications (1)

Publication Number Publication Date
CN110748266A true CN110748266A (en) 2020-02-04

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ID=69275519

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810821442.0A Pending CN110748266A (en) 2018-07-24 2018-07-24 Switch control device for door of fume chamber

Country Status (1)

Country Link
CN (1) CN110748266A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100248603A1 (en) * 2009-03-31 2010-09-30 Decastro Eugene Retrofit Fume Hood Drive Assembly
CN203998495U (en) * 2014-08-06 2014-12-10 陈韵文 Elevator auxiliary lifting devices
CN205270305U (en) * 2016-01-09 2016-06-01 北京键兴泰家具有限公司 Ventilation cabinet
CN105836568A (en) * 2016-05-25 2016-08-10 芜湖金欧机械制造有限公司 Anti-falling lifting device
KR20170025265A (en) * 2015-08-28 2017-03-08 주식회사 대명엔지니어링 Apparatus for screen doors of vertical open-close type having rack-pinion power transmitting structure
CN206522062U (en) * 2017-02-28 2017-09-26 济南中海净化工程有限公司 It is a kind of can automatic lifting blood sampling window

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100248603A1 (en) * 2009-03-31 2010-09-30 Decastro Eugene Retrofit Fume Hood Drive Assembly
CN203998495U (en) * 2014-08-06 2014-12-10 陈韵文 Elevator auxiliary lifting devices
KR20170025265A (en) * 2015-08-28 2017-03-08 주식회사 대명엔지니어링 Apparatus for screen doors of vertical open-close type having rack-pinion power transmitting structure
CN205270305U (en) * 2016-01-09 2016-06-01 北京键兴泰家具有限公司 Ventilation cabinet
CN105836568A (en) * 2016-05-25 2016-08-10 芜湖金欧机械制造有限公司 Anti-falling lifting device
CN206522062U (en) * 2017-02-28 2017-09-26 济南中海净化工程有限公司 It is a kind of can automatic lifting blood sampling window

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Application publication date: 20200204

RJ01 Rejection of invention patent application after publication