CN107060554B - A kind of electronic front window loss protecting device of Biohazard Safety Equipment - Google Patents
A kind of electronic front window loss protecting device of Biohazard Safety Equipment Download PDFInfo
- Publication number
- CN107060554B CN107060554B CN201710433725.3A CN201710433725A CN107060554B CN 107060554 B CN107060554 B CN 107060554B CN 201710433725 A CN201710433725 A CN 201710433725A CN 107060554 B CN107060554 B CN 107060554B
- Authority
- CN
- China
- Prior art keywords
- motor
- front window
- bracket
- friction plate
- sliding door
- 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.)
- Active
Links
- 239000011521 glass Substances 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000005484 gravity Effects 0.000 claims abstract description 15
- 230000009471 action Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/252—Type of friction
- E05Y2201/26—Mechanical friction
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/20—Electronic control of brakes, disengaging means, holders or stops
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/52—Safety arrangements associated with the wing motor
- E05Y2400/53—Wing impact prevention or reduction
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2999/00—Subject-matter not otherwise provided for in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses a kind of electronic front window loss protecting devices of Biohazard Safety Equipment, including motor, linkage mechanism, it is characterized by: the front window protective device further includes friction plate, bracket, reset energizing spring, the loss protecting device further includes armature block, plate electromagnetic lock, the armature block is fixed below the bracket of the friction plate bottom, the lower part of the armature block is arranged in the plate electromagnetic lock, when safety cabinet power-off, the electromagnet power-off, to the actuation event resolves of armature block, the friction plate is under the action of resetting energizing spring and the bracket, it fits on the reel motor and generates load friction power, motor is prevented to rotate.The electronic front window loss protecting device of Biohazard Safety Equipment of the present invention; when safety cabinet powers off suddenly; motor stalls; safety cabinet front window sliding door glass keeps original position constant; the resistance of reel motor will not be overcome due to gravity and is declined suddenly, it is dangerous caused by preventing front window sliding door glass from declining suddenly to occur.
Description
Technical field
The present invention relates to a kind of Biohazard Safety Equipment technical fields more particularly to a kind of electronic front window power loss of Biohazard Safety Equipment to protect
Protection unit.
Background technique
Biohazard Safety Equipment is a kind of laboratory equipment, is most basic most important the first line of defence in Bioexperiment, can be with
Polluted gas when preventing dangerous microbes from handling overflows, while being also prevented from the air outside safety cabinet and entering operating platform in cabinet,
Protection article is not by external interference.In order to guarantee the safety of operator, in case operator is by unexpected injury.Operator can
To be operated in safety cabinet by front window operation port, the negative pressure gas flow that front window operation port is drawn inwardly to is to protect operator
The safety of member；The down current filtered through high efficiency particulate air filter tests article to protect in safety cabinet；Air-flow is through high efficiency particulate air filter
Safety cabinet is discharged after filtering to protect environment.
The front window of Biohazard Safety Equipment moves up and down, and can be divided into manual and electronic two kinds of forms, before manual form generally passes through
Window weight balancing system realizes positioning immediately.Moving up, glide and positioning for electric moving window is by being installed on upper side
Reel motor and aid in weight balance system realize front window move up and glide and the positioning of any position.Similar balance system
Structure of uniting is mostly counterweight balancing type, and at safety cabinet rear portion, the clump weight of installation is lighter than front screen quality, front screen, motor volume
Gravitational equilibrium is formed around power and the weight of frame and clump weight.But once suddenly have a power failure or because front window glass is touched in maloperation
Glass, it is easy to destroy gravitational equilibrium, front screen is unfavorable for the peace of operator since gravity is easy substantially quick closedown
Complete and safety cabinet stabilization and safety.Balancing and positioning device in the prior art is typically complex, and is unfavorable for save the cost.
Summary of the invention
Object of the present invention is to: problems of the prior art are solved, a kind of electronic front window power loss of Biohazard Safety Equipment is provided
Protective device solves the problems of the prior art, prevents safety cabinet from powering off suddenly by the way that simple loss protecting structure is arranged
When safety cabinet front screen decline suddenly.
The technical scheme is that
A kind of electronic front window loss protecting device of Biohazard Safety Equipment, including motor, linkage mechanism, described linkage mechanism one end
It is connected to motor, the other end of linkage mechanism is connect with the sliding door glass of safety cabinet front window, it is characterised in that: the front window protection
Device further includes friction plate, bracket, resets energizing spring, and the friction plate is bonded the motor when being not powered on, described reset adds
Power spring and the support assorted generate adjustable load friction power between the friction plate and the motor, friction plate with
Load friction between motor is tried hard to keep to demonstrate,prove and can not be rotated in power failure state motor, and the loss protecting device further includes armature block, puts down
Plate electromagnetic lock, the armature block is fixed on the bracket of the friction plate bottom in the following, the plate electromagnetic lock is arranged in the iron
The lower part of block, while safety cabinet is powered on, and motor powers on, the electromagnet is powered on and by the armature block
It is attracted, the friction plate is detached from motor, and the load friction power between friction plate and motor releases, and motor only needs lesser torque and drawing
Power is mobile by the sliding door glass of front window；When safety cabinet power-off, electromagnet power-off, to the actuation event resolves of armature block,
The friction plate fits on the motor and generates load friction power under the action of resetting energizing spring and the bracket,
Motor is prevented to rotate, so that the sliding door glass of safety cabinet front window be prevented to move suddenly.
Preferably, the bracket includes upper bracket and lower bracket, and the upper bracket and the lower bracket are in the motor
Two sides are connected with the stud for resetting energizing spring is arranged with nut, and the upper end for resetting energizing spring is close to the upper bracket
With the lower bracket link position, the nut is located at the top of the upper bracket link position, and nut is adjustable reset reinforcing
Spring it is elastic；The reset energizing spring is adjustable the frictional force between friction plate and motor.
Preferably, further include button, pressed under button and bracket is driven to move down, the bracket drive the friction plate to move down to
The load friction power between friction plate and motor is reduced, torque becomes smaller motor due to load friction power reduces, and safety cabinet front window moves
Door glass is moved down by gravity and shuts front window.
Preferably, setting resets energizing spring control mechanism outside Biohazard Safety Equipment, resets energizing spring control mechanism
Control resets energizing spring to control being turned off manually for safety cabinet front window.
Preferably, the linkage mechanism is belt, and one end of the belt is connected to motor, the other end and safety of belt
The connection of cabinet front window sliding door glass, when motor rotates forward, the belt, which is wrapped on motor, drives safety cabinet front window sliding door glass to rise,
When motor reversal, the motor decontrols the belt being wrapped on motor, and the safety cabinet front window sliding door glass is made in gravity
With decline.
The invention has the advantages that
1, the electronic front window loss protecting device of Biohazard Safety Equipment of the present invention moves up or declines in front window sliding door glass
In the process, motor only needs lesser torque and pulling force to move up front window sliding door glass；When safety cabinet power-off, the plate electromagnetism
Lock power-off, to the actuation event resolves of armature block, the friction plate is under the action of resetting energizing spring and the bracket, fitting
On to the motor and load friction power is generated, motor is prevented to rotate, safety cabinet front window sliding door glass keeps original position constant,
It will not decline suddenly, it is dangerous caused by preventing front window sliding door glass from declining suddenly to occur.
2, the electronic front window loss protecting device of Biohazard Safety Equipment of the present invention realizes safety cabinet with simple structure
To the protection of safety cabinet front window when power loss, structure is simple, saves cost.
3, the electronic front window loss protecting device of Biohazard Safety Equipment of the present invention can with reset energizing spring, stud,
The size of nut adjustment load friction power, it is convenient and simple, it can effectively prevent motor rotation to protect safety cabinet front window sliding door
Glass.
4, the button can be closed taking human as control safety cabinet front window, and Biohazard Safety Equipment is prevented to be contaminated or pollute safety
Cabinet external environment.
5, it resets energizing spring control safety cabinet front window to close, guarantees the further safety of Biohazard Safety Equipment.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, and do not constitute a limitation of the invention.
The invention will be further described with reference to the accompanying drawings and embodiments:
Fig. 1 is the electronic front window loss protecting device of Biohazard Safety Equipment of the present invention and Biohazard Safety Equipment schematic diagram.
Fig. 2 is the electronic front window loss protecting device perspective view schematic diagram of Biohazard Safety Equipment of the present invention.
Fig. 3 is the schematic diagram under the electronic front window loss protecting device energized state of Biohazard Safety Equipment of the present invention.
Fig. 4 is the schematic diagram under the electronic obstructed electricity condition of front window loss protecting device of Biohazard Safety Equipment of the present invention.
Fig. 5 is Biohazard Safety Equipment of the present invention electronic front window loss protecting device showing in the embodiment by lower button
It is intended to.
Wherein: 1, cabinet body 2, motor 3, sliding door glass 4, friction plate 5, reset energizing spring 6, armature block 7, plate
Electromagnetic lock 8, button 9, belt
Specific embodiment
As Figure 1-Figure 5, the invention discloses a kind of electronic front window loss protecting devices of Biohazard Safety Equipment, including motor
2, linkage mechanism, described linkage mechanism one end are connect with motor 2, the other end of linkage mechanism and the sliding door glass of safety cabinet front window
3 connections, the front window protective device further include friction plate 4, bracket, reset energizing spring 5, the patch when friction plate 4 is not powered on
The motor 2 is closed, the reset energizing spring 5 and the support assorted generate negative between the friction plate 4 and the motor 2
Frictional force is carried, the load friction between friction plate 4 and motor 2, which is tried hard to keep, to be demonstrate,proved motor 2 and can not rotate, and the protective device further includes armature
Block 6, plate electromagnetic lock 7, the armature block 6 is fixed on the bracket of 4 bottom of friction plate in the following, the plate electromagnetic lock 7 is set
It sets in the lower part of the iron block 6, when the work of safety cabinet normal power-up, plate electromagnetic lock adhesive armature block.Friction plate is detached from spool
Motor, motor can be controlled by controller and move up and down or move up and down manually.When safety cabinet is powered on, need front window sliding door
When glass 3 is mobile, while motor 2 powers on, the plate electromagnetic lock 7 for being installed on this device lower part is powered on and will be described
Armature block 6 is attracted, and the friction plate 4 is detached from motor 2, and the load friction power between friction plate 4 and motor 2 releases, and motor 2 only need to be compared with
Small torque and pulling force is mobile by the sliding door glass 3 of front window；When safety cabinet power-off, the plate electromagnetic lock 7 is powered off, to armature
The actuation event resolves of block 6, the friction plate 4 fit to the motor under the action of resetting energizing spring 5 and the bracket
On 2 and load friction power is generated, prevents motor from rotating, it is constant that the sliding door glass 3 of safety cabinet front window is also maintained for original position.From
And the downslide for moving window gravity will not be caused due to power loss by guaranteeing front window.The sliding door glass of safety cabinet front window is also maintained for original
There is position constant.When needing to move down front window manually, then top button is pressed with hand, front window can slowly glide under the effect of gravity.
When needing to close shifting window, singlehanded button press glass determines the speed to glide under the effect of gravity, with the lower signature dynamics of button.
As shown in Figure 1, front window is mounted on the front side of the cabinet body 1 of Biohazard Safety Equipment, sliding door glass 3 is mounted on front window.It is of the present invention
The electronic front window loss protecting device of Biohazard Safety Equipment, during front window sliding door glass 3 moves up or declines, 2 need of motor are smaller
Torque and pulling force front window sliding door glass 3 is moved up；When safety cabinet power-off, motor 2 encounters safety cabinet and powers off suddenly, described flat
Plate electromagnetic lock 7 powers off, and to the actuation event resolves of armature block 6, the friction plate 4 is resetting energizing spring 5 and the bracket
Under effect, load friction power is fitted on the motor 2 and generated, motor 2 is prevented to rotate, safety cabinet front window sliding door glass 3 is protected
It is constant to hold original position, will not decline suddenly, prevents dangerous caused by the decline suddenly of front window sliding door glass 3 occur.Institute of the present invention
To safety cabinet front window when the electronic front window loss protecting device of the Biohazard Safety Equipment stated realizes safety cabinet power loss with simple structure
Protection, structure is simple, save cost.
Preferably, the bracket includes upper bracket and lower bracket, and the upper bracket and the lower bracket are in the motor 2
Two sides are connected with the stud for resetting energizing spring 5 is arranged with nut, and the upper end for resetting energizing spring 5 is close to the upper branch
Frame and the lower bracket link position, the nut are located at the top of the upper bracket link position；Nut is adjustable reset and adds
Power spring it is elastic；The reset energizing spring is adjustable the frictional force between friction plate and motor.Biology peace of the present invention
The complete electronic front window loss protecting device of cabinet can with reset energizing spring 5, stud, nut adjustment load friction power size, side
Just simple, it can effectively prevent the rotation of motor 2 to protect safety cabinet front window sliding door glass 3, even if the long of friction plate has
A little abrasions, can also by adjusting stud, nut, reset positional relationship between energizing spring, guarantee friction plate and motor it
Between load friction power, to reach normal control effect.Reset the effect of energizing spring are as follows: adjust between friction plate and motor
Frictional force and Manual press dynamics；Armature block after plate electromagnetic lock power loss moves up, and resets energizing spring and confines motor
Since glass gravity generates rotation.
Preferably, further include button 8, pressed under button 8 and bracket is driven to move down, the bracket drives the friction plate 4 to move down
To reduce the load friction power between friction plate 4 and motor 2, torque becomes smaller motor 2 due to load friction power reduces, safety cabinet
Front window sliding door glass 3 is moved down by gravity shuts front window.The button can be closed taking human as control safety cabinet front window, be prevented
Only Biohazard Safety Equipment is contaminated or pollutes safety cabinet external environment.Due to the particularity of Biohazard Safety Equipment operation, so that personnel exist
Must shut off the front window of safety cabinet before withdrawing, but when power failure state, the electric moving window of Biohazard Safety Equipment due to friction plate effect,
Front window will keep original position constant, can not voluntarily close.And in order to overcome front window gravity, moving window will be unable to be turned off manually.This
When button is pressed down, friction plate will be disengaged from motor, and the load of motor releases, and front window sliding door glass, will due to gravity
It glides, the speed of downslide is by acting on lower give as security depending on the pressure on button.Front window sliding door glass glides until front window completely closes.
Under by the size of dynamics will determine the rate that moves down of front window sliding door.
Preferably, the electronic front window loss protecting device of Biohazard Safety Equipment of the present invention is also set outside Biohazard Safety Equipment
It sets and resets energizing spring control mechanism, reset the control of energizing spring control mechanism and reset energizing spring to control safety cabinet front window
It closes.It resets energizing spring control safety cabinet front window to close, guarantees the further safety of Biohazard Safety Equipment.It can add in conjunction with resetting
Power spring and button collective effect control sliding door glass are mobile, close front window.It resets the effect of energizing spring: (1), being adjusted and rub
The dynamics of frictional force and Manual press between pad and motor.(2), the armature block after plate electromagnetic lock power loss moves up, and confines
Motor generates rotation due to glass gravity.
Preferably, the linkage mechanism is belt 9, and one end of the belt 9 connect with motor 2, the other end of belt 9 and
Safety cabinet front window sliding door glass 3 connects, and when motor 2 rotates forward, the belt 9 is wrapped in drive safety cabinet front window sliding door on motor 2
Glass 3 rises, and when motor 2 inverts, the motor 2 decontrols the belt 9 being wrapped on motor 2, and the safety cabinet front window moves
Door glass 3 declines under the effect of gravity.
The electronic front window loss protecting device structure of Biohazard Safety Equipment of the present invention is simple, low in cost, with simple
Auxiliary body efficiently controls the movement and closing of Biohazard Safety Equipment front window, is conducive to safety cabinet and really realizes security function, i.e.,
Make under unexpected off-position, dangerous generation can also be prevented.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of electronic front window loss protecting device of Biohazard Safety Equipment, including motor, linkage mechanism, described linkage mechanism one end with
Motor connection, the other end of linkage mechanism are connect with the sliding door glass of safety cabinet front window, it is characterised in that: the front window protection dress
Setting further includes friction plate, bracket, reset energizing spring, and the friction plate is bonded the motor, the reset reinforcing when being not powered on
Spring and the support assorted generate adjustable load friction power, friction plate and electricity between the friction plate and the motor
Load friction between machine is tried hard to keep to demonstrate,prove and can not be rotated in power failure state motor, and the loss protecting device further includes armature block, plate
Electromagnetic lock, the armature block is fixed on the bracket of the friction plate bottom in the following, the plate electromagnetic lock is arranged in the iron block
Lower part, while safety cabinet is powered on, and motor powers on, the electromagnet is powered on and inhales the armature block
It closes, the friction plate is detached from motor, and the load friction power between friction plate and motor releases, and motor only needs lesser torque and pulling force
The sliding door glass of front window is mobile；When safety cabinet power-off, the electromagnet power-off, to the actuation event resolves of armature block, institute
Friction plate is stated under the action of resetting energizing spring and the bracket, fits on the motor and generate load friction power, is hindered
Only motor rotates, so that the sliding door glass of safety cabinet front window be prevented to move suddenly；The bracket includes upper bracket and lower bracket, institute
It states upper bracket and is connected in the stud that the two sides of the motor are equipped with reset energizing spring with nut with the lower bracket, the reset
The upper end of energizing spring is located at the upper bracket connection position close to the upper bracket and the lower bracket link position, the nut
The top set；Nut, which is adjustable, resets the elastic of energizing spring；The reset energizing spring is adjustable between friction plate and motor
Frictional force.
2. the electronic front window loss protecting device of Biohazard Safety Equipment according to claim 1, it is characterised in that: further include by
Button is pressed under button and bracket is driven to move down, and the bracket drives the friction plate to move down to reduce between friction plate and motor
Load friction power, torque becomes smaller motor due to load friction power reduces, and safety cabinet front window sliding door glass is by gravity to moving down
It is dynamic to shut front window.
3. the electronic front window loss protecting device of Biohazard Safety Equipment according to claim 1, it is characterised in that: in bio-safety
Setting resets energizing spring control mechanism outside cabinet, resets the control of energizing spring control mechanism and resets energizing spring to control peace
The closing of full cabinet front window.
4. the electronic front window loss protecting device of Biohazard Safety Equipment according to claim 1, it is characterised in that: the gear
Structure is belt, and one end of the belt is connected to motor, and the other end of belt is connect with safety cabinet front window sliding door glass, and motor is just
When turning, the belt, which is wrapped on motor, drives safety cabinet front window sliding door glass to rise, and when motor reversal, the motor relieving is twined
The belt being wound on motor, the safety cabinet front window sliding door glass decline under the effect of gravity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710433725.3A CN107060554B (en) | 2017-06-09 | 2017-06-09 | A kind of electronic front window loss protecting device of Biohazard Safety Equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710433725.3A CN107060554B (en) | 2017-06-09 | 2017-06-09 | A kind of electronic front window loss protecting device of Biohazard Safety Equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107060554A CN107060554A (en) | 2017-08-18 |
| CN107060554B true CN107060554B (en) | 2019-01-01 |
Family
ID=59594893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710433725.3A Active CN107060554B (en) | 2017-06-09 | 2017-06-09 | A kind of electronic front window loss protecting device of Biohazard Safety Equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107060554B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109961557A (en) * | 2017-12-26 | 2019-07-02 | 航天信息股份有限公司 | Electric gate valve |
| CN112196397A (en) * | 2020-11-17 | 2021-01-08 | 东风汽车集团有限公司 | Single-guide-rail glass lifter with variable motion resistance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2064437U (en) * | 1990-03-03 | 1990-10-24 | 冶金工业部自动化研究院 | Braker with cut-off locking function |
| CN102471030A (en) * | 2009-07-07 | 2012-05-23 | 三菱电机株式会社 | Braking device for elevator hoist |
| CN203079618U (en) * | 2013-02-02 | 2013-07-24 | 江苏武东机械有限公司 | Self-locking outer-edge brake |
| CN104555791A (en) * | 2014-11-12 | 2015-04-29 | 湖北民族学院 | Traction type elevator anti-brake loosening safety device |
| CN205715348U (en) * | 2016-04-20 | 2016-11-23 | 成都千讯科技有限责任公司 | The brake apparatus of power transmission shaft gear transmission mechanism |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6422965B1 (en) * | 2000-04-20 | 2002-07-23 | Overhead Door Corporation | Door operator unit |
| CN206816044U (en) * | 2017-06-09 | 2017-12-29 | 苏州安泰空气技术有限公司 | A kind of electronic front window loss protecting device of Biohazard Safety Equipment |
-
2017
- 2017-06-09 CN CN201710433725.3A patent/CN107060554B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2064437U (en) * | 1990-03-03 | 1990-10-24 | 冶金工业部自动化研究院 | Braker with cut-off locking function |
| CN102471030A (en) * | 2009-07-07 | 2012-05-23 | 三菱电机株式会社 | Braking device for elevator hoist |
| CN203079618U (en) * | 2013-02-02 | 2013-07-24 | 江苏武东机械有限公司 | Self-locking outer-edge brake |
| CN104555791A (en) * | 2014-11-12 | 2015-04-29 | 湖北民族学院 | Traction type elevator anti-brake loosening safety device |
| CN205715348U (en) * | 2016-04-20 | 2016-11-23 | 成都千讯科技有限责任公司 | The brake apparatus of power transmission shaft gear transmission mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107060554A (en) | 2017-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107060554B (en) | A kind of electronic front window loss protecting device of Biohazard Safety Equipment | |
| ES2837833T3 (en) | Bed | |
| CN206310996U (en) | Automatic rising and falling target and target assembly with same | |
| ES2296292T3 (en) | DRIVING SYSTEM OF A SLIDING DOOR OF CAMERA. | |
| EP2784257A1 (en) | Movement system for a door or openable part of an electrical household appliance and electrical household appliance equipped with the system | |
| CN208310541U (en) | A kind of print control machine safety door with protective device | |
| CN211340550U (en) | Anti-collision entrance guard swing gate for vehicle channel | |
| CN206816044U (en) | A kind of electronic front window loss protecting device of Biohazard Safety Equipment | |
| CN203247877U (en) | Protective cabin of ATM | |
| JP2012237189A (en) | Self-closing device for sliding door | |
| GB2362251A (en) | Smoke release and ventilation window | |
| CN107913478B (en) | Escape protection device, system and method and wind generating set | |
| JPH1043612A (en) | Draft chamber | |
| CN109775480A (en) | Frame body for folding and unfolding cable | |
| US11958083B2 (en) | Fume hood and sash control device | |
| CN206972024U (en) | A kind of intelligent safety door anti-pinch device | |
| CN203023613U (en) | Air valve adjusting device for teppanyaki equipment | |
| CN213185021U (en) | High-voltage control cabinet with dustproof function | |
| CN206554748U (en) | A kind of rolling screen door with brake gear | |
| CN215000905U (en) | Mylar double-sided non-knife-mark easy-peeling processing mechanism | |
| CN208482475U (en) | Multifunctional bio safety cabinet based on automatic glass door | |
| CN207743242U (en) | A kind of equipment reprocessed for double-sided glass battery component | |
| CN116570851B (en) | Follow-up descent control device applied to high-altitude self-rescue escape | |
| JP6294133B2 (en) | Power assist unit with clutch | |
| CN220046881U (en) | Follow-up high-altitude escape descent control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |