CN107741043A - The safety control of the electronic portable plate of range hood or dodge gate - Google Patents
The safety control of the electronic portable plate of range hood or dodge gate Download PDFInfo
- Publication number
- CN107741043A CN107741043A CN201711163415.0A CN201711163415A CN107741043A CN 107741043 A CN107741043 A CN 107741043A CN 201711163415 A CN201711163415 A CN 201711163415A CN 107741043 A CN107741043 A CN 107741043A
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- China
- Prior art keywords
- portable plate
- dodge gate
- switching tube
- direct current
- current generator
- 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.)
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- 238000001514 detection method Methods 0.000 claims abstract description 26
- 230000033001 locomotion Effects 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 8
- 208000014674 injury Diseases 0.000 abstract description 8
- 239000000523 sample Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
Abstract
The electronic portable plate of range hood of the present invention or the safety control of dodge gate, including the microcontroller of interconnection, motor M and control circuit;In control circuit, motor M is rotated forward when portable plate or dodge gate are opened, circuit is, direct current generator rotates forward base stages of the control voltage input UH through resistance R1 connecting triodes A1, triode A1 grounded emitter, G end of the triode A1 colelctor electrode through resistance R2 connection p-type switching tubes Q1, S ends of the DC supply input VC through diode L connecting valve pipes Q1, switching tube Q1 D ends connect N type switch tube Q4 D ends after motor M, switching tube Q4 G ends rotate forward control voltage input UL through resistance R3 connections direct current generator, switching tube Q4 S ends are through resistance R4 connection signal detections end TS.The present invention brings injury and the danger of tong when effectively preventing the electronic portable plate or dodge gate of range hood from opening and closing.
Description
Technical field
The present invention relates to family expenses and the control field of the auto-action part of similar applications range hood, more particularly to one kind
The safety control of the electronic portable plate of range hood or dodge gate.
Background technology
The auto-action part of range hood should be without injury and the danger of tong, on the other hand, the IEC of range hood
60335-2-31:20.101st article of requirement in 2012 standards:
" if a part for range hood or downdraft system can be with auto-action, it should does not injure dangerous with tong.
Test using the following method:
Utensil is powered with rated voltage, and moving component carries out open and close operation, and moving component should:
1. when moving component has tong danger generation close to a certain position, in motion
Last 50mm, it should slow down, speed is less than 15mm/s.
2. when No. 32 probes in IEC 61032 are placed in any position that circle folder may occur
When putting, its width of corresponding opening and height:
--- before probe is touched, moving component should stop or counter motion.
--- if probe passive movement component contact arrives:
The power more than 100N should not be produced;
Or probe should not be made to be forced to produce shearing force.
If utensil depends on Circuitry Control Operations, test should be carried out in following condition respectively:
--- the malfunction a) in 19.11.2 is arrived g), and electronic circuit applies one every time
Individual failure, the electromagnetism test in 19.11.4.2 and 19.11.4.5 should survey in turn
Examination, moving component should:
1. when moving component has tong danger generation close to a certain position, in motion
Last 50mm, it should slow down, speed is less than 15mm/s.
2. when No. 32 probes in IEC 61032 are placed in any position that circle folder may occur
When putting, its width of corresponding opening and height:
--- before probe is touched, moving component should stop or counter motion.
--- if probe passive movement component contact arrives:
The power more than 100N should not be produced;
Or probe should not be made to be forced to produce shearing force ".
In China, although substitution GB 4706.28-2008 new edition range hood national standard is not issued temporarily, market
On there are the various range hoods with accessible automatic movable part.These automatic movable parts are usually by electric wire
The electrical components of road control, it should meet above-mentioned IEC 60335-2-31:The safety requirements of 2012 standards.
The content of the invention
The present invention is makes up the deficiencies in the prior art, there is provided the safety of a kind of electronic portable plate of range hood or dodge gate
Control device, prevent the electronic movable part of range hood from injuring the danger with tong;When single electronic element failure occurs,
Remain to stop immediately the motion of electronic portable plate or dodge gate, ensure safety.
The present invention is achieved by the following technical solutions:
The electronic portable plate of range hood of the present invention or the safety control of dodge gate, including the microcontroller of interconnection,
Motor M and control circuit;It is characterized in that:
In control circuit, when portable plate or dodge gate are opened, motor M is rotated forward, and circuit is:
Direct current generator rotates forward base stages of the control voltage input UH through resistance R1 connecting triodes A1, and triode A1 emitter stage connects
Ground, G end of the triode A1 colelctor electrode through resistance R2 connection p-type switching tubes Q1, DC supply input VC is through diode L connections
Switching tube Q1 S ends, switching tube Q1 D ends connect N type switch tube Q4 D ends after motor M, and switching tube Q4 G ends are through resistance
R3 connections direct current generator rotates forward control voltage input UL, switching tube Q4 S ends through resistance R4 connection signal detection end TS, and
And switching tube Q4 S ends are grounded through current sense resistor R;
When portable plate or dodge gate are closed, motor M is inverted, and circuit is:Direct current generator inverts control voltage input DH through resistance
R5 connecting triodes A2 base stage, triode A2 grounded emitter, triode A2 colelctor electrode switch through resistance R6 connections p-type
Pipe Q3 G ends, S ends of the DC supply input VC through diode L connecting valve pipes Q3, switching tube Q3 D ends connect after motor M
N type switch tube Q2 D ends are connect, switching tube Q2 G ends invert control voltage input DL, switch through resistance R7 connections direct current generator
Pipe Q2 S ends are through resistance R4 connection signal detection end TS, moreover, switching tube Q2 S ends are grounded through current sense resistor R.
Control method used in the electronic portable plate of range hood of the present invention or the safety control of dodge gate, its feature
It is:
, it is necessary to open electronic portable plate or dodge gate before oil extracting machine is started working, the road voltage control letter of microcontroller output two
Number, control voltage input UH, UL application control voltage are rotated forward in the direct current generator of control circuit respectively, switching tube Q1, Q4 are led
Logical, direct current generator M is rotated forward, and driving transmission device opens portable plate or dodge gate, while in the signal detection end TS of control circuit
Direct current generator M electric current is detected, when electronic portable plate or dodge gate are stopped by hand or other external force, with the change of barrier force
Greatly, signal detection end TS voltage signal can become big, when signal detection end TS voltage signal is equal to pre-set value(More than this
During individual pre-set value, open the power that any position that circle folder may occur of portable plate or dodge gate is subject to will be unsatisfactory for standard will
Ask so as to which the danger of injury and tong occur), microcontroller stops direct current generator and rotates forward control voltage input UH, UL's immediately
Voltage signal, direct current generator M stop rotating forward immediately, portable plate or dodge gate stop motion immediately.Or stop direct current generator and rotate forward
After control voltage input UH, UL voltage signal, microcontroller inverts control voltage in the direct current generator of control circuit immediately
Input DH, DL apply control voltage, switching tube Q3, Q2 conducting, direct current generator M reversions, driving transmission device closing portable plate
Or dodge gate.When single electronic element failure occurs, such as when Q1 or Q4 failures, still it can be flowed through by Q4 or Q1 cut-outs
Motor M electric current makes the stop motion immediately of portable plate or dodge gate.
When, it is necessary to when closing electronic portable plate or dodge gate, microcontroller exports two road voltages before oil extracting machine is stopped
Control signal, apply control voltage, switching tube in direct current generator reversion control voltage input DH, DL of control circuit respectively
Q3, Q2 are turned on, direct current generator M reversions, and driving transmission device closes portable plate or dodge gate, while is examined in the signal of control circuit
End TS detections direct current generator M electric current is surveyed, when electronic portable plate or dodge gate are stopped by hand or other external force, with barrier force
Change it is big, signal detection end TS voltage signal can become big, when signal detection end TS voltage signal is equal to pre-set value
(During more than this pre-set value, the power that any position that circle folder may occur is subject to when closing portable plate or dodge gate will be discontented
Sufficient standard is required so as to which the danger of injury and tong occur), microcontroller stop immediately direct current generator reversion control voltage input
Hold DH, DL voltage signal, direct current generator M stop reverses immediately, portable plate or dodge gate stop motion.Or stop direct current generator
After the voltage signal for inverting control voltage input DH, DL, microcontroller rotates forward control in the direct current generator of control circuit immediately
Voltage input end UH, UL apply control voltage, switching tube Q1, Q4 conducting, and direct current generator M is rotated forward, and driving transmission device, which is opened, lives
Dynamic plate or dodge gate.When single electronic element failure occurs, such as when Q3 or Q2 failures, still it can be cut off by Q2 or Q3
Flowing through motor M electric current makes the stop motion immediately of portable plate or dodge gate.
Microcontroller can use single-chip microcomputer or PLC.
Direct current generator M can pass through transmission device(Push rod or belt)It is connected with the portable plate or dodge gate of range hood,
Control circuit beats opening/closing portable plate or dodge gate by controlling direct current generator M forward/reverse, while detects direct current
Machine M electric current, when the portable plate or any one of dodge gate of range hood may be injured with the position of tong by will exceed
During the power of standard requirement, direct current generator M electric current can increase to a certain setting value, and this electricity is quickly detected by control circuit
Stream, and stop direct current generator M driving rapidly or drive direct current generator M in a reverse direction, so as to avoid the electricity of range hood
Injury and tong of the dynamic movable part to operator are dangerous.
The invention has the advantages that making the range hood with electronic portable plate or dodge gate part, meet IEC
60335-2-31:20.101st article of requirement in 2012 standards, electronic portable plate or activity quick, that effectively prevent range hood
Door brings injury and the danger of tong when opening and closing.When single electronic element failure occurs, remain to stop electricity immediately
The motion of dynamic portable plate or dodge gate, ensures safety.
Brief description of the drawings
Fig. 1 is electric operation control circuit figure;Fig. 2 is that the electronic dodge gate of range hood opens schematic diagram;Fig. 3 is the electronic work of range hood
Dynamic door closes schematic diagram.
In figure, 1:The electronic portable plate or dodge gate of oil extracting machine;2:Direct current generator M;Q1、Q3:P-type switching tube, i.e. mos
Pipe;Q2、Q4:N type switch tube, i.e. mos are managed;R:Current sense resistor;UH、UL:Direct current generator rotates forward control signal input;
DH、DL:Direct current generator reverse control signal input;TS:Signal detection end;VC:DC supply input.R1—R11:Electricity
Resistance;A1、A 2:Triode.
Embodiment
Accompanying drawing is a kind of embodiment of the invention.
The electronic portable plate of range hood of the present invention or the safety control of dodge gate, include the microcontroller of interconnection
Device, direct current generator M and control circuit;
In control circuit, when portable plate or dodge gate are opened, motor M is rotated forward, and circuit is:
Direct current generator rotates forward base stages of the control voltage input UH through resistance R1 connecting triodes A1, and triode A1 emitter stage connects
Ground, G end of the triode A1 colelctor electrode through resistance R2 connection p-type switching tubes Q1, DC supply input VC is through diode L connections
Switching tube Q1 S ends, switching tube Q1 D ends connect N type switch tube Q4 D ends after motor M, and switching tube Q4 G ends are through resistance
R3 connections direct current generator rotates forward control voltage input UL, switching tube Q4 S ends through resistance R4 connection signal detection end TS, and
And switching tube Q4 S ends are grounded through current sense resistor R;
When portable plate or dodge gate are closed, motor M is inverted, and circuit is:Direct current generator inverts control voltage input DH through resistance
R5 connecting triodes A2 base stage, triode A2 grounded emitter, triode A2 colelctor electrode switch through resistance R6 connections p-type
Pipe Q3 G ends, S ends of the DC supply input VC through diode L connecting valve pipes Q3, switching tube Q3 D ends connect after motor M
N type switch tube Q2 D ends are connect, switching tube Q2 G ends invert control voltage input DL, switch through resistance R7 connections direct current generator
Pipe Q2 S ends are through resistance R4 connection signal detection end TS, moreover, switching tube Q2 S ends are grounded through current sense resistor R.
Microcontroller can use single-chip microcomputer or PLC.
, it is necessary to open electronic portable plate or dodge gate before oil extracting machine is started working, microcontroller exports two road voltage controls
Signal processed, rotate forward control voltage input UH, UL in the direct current generator of control circuit respectively and apply control voltage, switching tube Q1,
Q4 is turned on, and direct current generator M is rotated forward, and driving push rod or belt open portable plate or dodge gate, while are examined in the signal of control circuit
End TS detections direct current generator M electric current is surveyed, when electronic portable plate or dodge gate are stopped by hand or other external force, with barrier force
Change it is big, signal detection end TS voltage signal can become big, when signal detection end TS voltage signal is equal to pre-set value(It is super
When crossing this pre-set value, the power that any position that circle folder may occur of opening portable plate or dodge gate is subject to will be unsatisfactory for marking
Alignment request so as to occur injury and tong danger), microcontroller stop immediately direct current generator rotate forward control voltage input UH,
UL voltage signal, direct current generator M stop rotating forward immediately, portable plate or dodge gate stop motion immediately.Or stop direct current generator
After the voltage signal for rotating forward control voltage input UH, UL, microcontroller inverts control in the direct current generator of control circuit immediately
Voltage input end DH, DL apply control voltage, and switching tube Q3, Q2 conducting, direct current generator M reversions, driving push rod or belt are closed
Portable plate or dodge gate.When single electronic element failure occurs, such as when Q1 or Q4 failures, still can be cut by Q4 or Q1
Electric current of the cutout through motor M makes the stop motion immediately of portable plate or dodge gate.
When, it is necessary to when closing electronic portable plate or dodge gate, microcontroller exports two road voltages before oil extracting machine is stopped
Control signal, apply control voltage, switching tube in direct current generator reversion control voltage input DH, DL of control circuit respectively
Q3, Q2 are turned on, and direct current generator M reversions, driving push rod or belt close portable plate or dodge gate, while in the signal of control circuit
Test side TS detections direct current generator M electric current, when electronic portable plate or dodge gate are stopped by hand or other external force, with stop
The change of power is big, and signal detection end TS voltage signal can become big, when signal detection end TS voltage signal is equal to pre-set value
(During more than this pre-set value, the power that any position that circle folder may occur is subject to when closing portable plate or dodge gate will be discontented
Sufficient standard is required so as to which the danger of injury and tong occur), microcontroller stop immediately direct current generator reversion control voltage input
Hold DH, DL voltage signal, direct current generator M stop reverses immediately, portable plate or dodge gate stop motion.Or stop direct current generator
After the voltage signal for inverting control voltage input DH, DL, microcontroller rotates forward control in the direct current generator of control circuit immediately
Voltage input end UH, UL apply control voltage, switching tube Q1, Q4 conducting, and direct current generator M is rotated forward, and driving push rod or belt are opened
Portable plate or dodge gate.When single electronic element failure occurs, such as when Q3 or Q2 failures, still can be cut by Q2 or Q3
Electric current of the cutout through motor M makes the stop motion immediately of portable plate or dodge gate.
Claims (4)
1. the safety control of a kind of electronic portable plate of range hood or dodge gate, including the microcontroller of interconnection, electricity
Machine M and control circuit;It is characterized in that:
In control circuit, when portable plate or dodge gate are opened, motor M is rotated forward, and circuit is:
Direct current generator rotates forward base stages of the control voltage input UH through resistance R1 connecting triodes A1, and triode A1 emitter stage connects
Ground, G end of the triode A1 colelctor electrode through resistance R2 connection p-type switching tubes Q1, DC supply input VC is through diode L connections
Switching tube Q1 S ends, switching tube Q1 D ends connect N type switch tube Q4 D ends after motor M, and switching tube Q4 G ends are through resistance
R3 connections direct current generator rotates forward control voltage input UL, switching tube Q4 S ends through resistance R4 connection signal detection end TS, and
And switching tube Q4 S ends are grounded through current sense resistor R.
2. the safety control of the electronic portable plate of range hood according to claim 1 or dodge gate, it is characterised in that:
When portable plate or dodge gate are closed, motor M is inverted, and circuit is:Direct current generator inverts control voltage input DH and connected through resistance R5
Triode A2 base stage is connect, triode A2 grounded emitter, triode A2 colelctor electrode is through resistance R6 connection p-type switching tubes Q3
G ends, S ends of the DC supply input VC through diode L connecting valve pipes Q3, switching tube Q3 D ends connect N after motor M
Type switching tube Q2 D ends, switching tube Q2 G ends invert control voltage input DL, switching tube through resistance R7 connections direct current generator
Q2 S ends are through resistance R4 connection signal detection end TS, moreover, switching tube Q2 S ends are grounded through current sense resistor R.
3. the electronic portable plate of range hood described in a kind of claim 1 or the controlling party used in the safety control of dodge gate
Method, it is characterised in that:Comprise the following steps:
, it is necessary to open electronic portable plate or dodge gate before oil extracting machine is started working, the road voltage control letter of microcontroller output two
Number, control voltage input UH, UL application control voltage are rotated forward in the direct current generator of control circuit respectively, switching tube Q1, Q4 are led
Logical, motor M is rotated forward, and driving transmission device opens portable plate or dodge gate, while is detected in the signal detection end TS of control circuit
Direct current generator M electric current, when electronic portable plate or dodge gate are stopped by hand or other external force, letter big with the change of barrier force
Number test side TS voltage signal can become big, and when signal detection end TS voltage signal is equal to pre-set value, microcontroller is stood
Stop the voltage signal that direct current generator rotates forward control voltage input UH, UL, motor M stops rotating forward immediately, portable plate or work
The stop motion immediately of dynamic door;Or after stopping the voltage signal that direct current generator rotates forward control voltage input UH, UL, microcontroller is stood
Apply control voltage, switching tube Q3, Q2 conducting, electricity in direct current generator reversion control voltage input DH, DL of control circuit
Machine M is inverted, and driving transmission device closes portable plate or dodge gate;, still can be by switching tube when switching tube Q1 or Q4 failure
The electric current that Q4 or Q1 cut-outs flow through motor M makes the stop motion immediately of portable plate or dodge gate.
4. the controlling party used in the safety control of the electronic portable plate of range hood according to claim 3 or dodge gate
Method, it is characterised in that:It is further comprising the steps of:When before oil extracting machine is stopped, it is necessary to when closing electronic portable plate or dodge gate,
Microcontroller exports two road voltage control signals, respectively in direct current generator reversion control voltage input DH, DL of control circuit
Applying control voltage, switching tube Q3, Q2 conducting, motor M is inverted, driving transmission device closing portable plate or dodge gate, while
The signal detection end TS detections direct current generator M of control circuit electric current, when electronic portable plate or dodge gate are by hand or other external force
Big with the change of barrier force during stop, signal detection end TS voltage signal can become big, when signal detection end TS voltage is believed
When number being equal to pre-set value, microcontroller stops direct current generator reversion control voltage input DH, DL voltage signal, electricity immediately
Machine M stop reverses immediately, portable plate or dodge gate stop motion;Or stop direct current generator reversion control voltage input DH, DL
Voltage signal after, microcontroller rotates forward control voltage input UH, UL in the direct current generator of control circuit immediately and applies control
Voltage, switching tube Q1, Q4 conducting, motor M are rotated forward, and driving transmission device opens portable plate or dodge gate;As switching tube Q3 or Q2
During failure, motor M electric current still can be flowed through by switching tube Q2 or Q3 cut-out makes the stop motion immediately of portable plate or dodge gate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711163415.0A CN107741043B (en) | 2017-11-21 | 2017-11-21 | Safety control device for electric movable plate or movable door of range hood |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711163415.0A CN107741043B (en) | 2017-11-21 | 2017-11-21 | Safety control device for electric movable plate or movable door of range hood |
Publications (2)
Publication Number | Publication Date |
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CN107741043A true CN107741043A (en) | 2018-02-27 |
CN107741043B CN107741043B (en) | 2024-02-06 |
Family
ID=61238953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711163415.0A Active CN107741043B (en) | 2017-11-21 | 2017-11-21 | Safety control device for electric movable plate or movable door of range hood |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113339856A (en) * | 2021-05-08 | 2021-09-03 | 广东纯米电器科技有限公司 | Opening and closing control method, device, equipment and medium for smoke baffle |
CN113668661A (en) * | 2021-08-18 | 2021-11-19 | 中云汇(成都)物联科技有限公司 | Intelligent squatting pan system with weighing and safety protection functions |
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JPS62296785A (en) * | 1986-05-22 | 1987-12-24 | Sanyo Electric Co Ltd | Motor control circuit |
CN101902031A (en) * | 2009-05-27 | 2010-12-01 | 杨翠军 | Safe driving control circuit for intelligently monitoring artificial pancreas in real time |
CN102155753A (en) * | 2011-04-13 | 2011-08-17 | 美的集团有限公司 | Anti-clamping system for movable smoke collecting hood of range hood and anti-clamping control method of anti-clamping system |
CN204498032U (en) * | 2015-03-09 | 2015-07-22 | 九阳股份有限公司 | A kind of food processor of low cost |
CN208442878U (en) * | 2017-11-21 | 2019-01-29 | 山东省计量科学研究院 | The safety control of the electronic movable plate of range hood or dodge gate |
-
2017
- 2017-11-21 CN CN201711163415.0A patent/CN107741043B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62296785A (en) * | 1986-05-22 | 1987-12-24 | Sanyo Electric Co Ltd | Motor control circuit |
CN101902031A (en) * | 2009-05-27 | 2010-12-01 | 杨翠军 | Safe driving control circuit for intelligently monitoring artificial pancreas in real time |
CN102155753A (en) * | 2011-04-13 | 2011-08-17 | 美的集团有限公司 | Anti-clamping system for movable smoke collecting hood of range hood and anti-clamping control method of anti-clamping system |
CN204498032U (en) * | 2015-03-09 | 2015-07-22 | 九阳股份有限公司 | A kind of food processor of low cost |
CN208442878U (en) * | 2017-11-21 | 2019-01-29 | 山东省计量科学研究院 | The safety control of the electronic movable plate of range hood or dodge gate |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113339856A (en) * | 2021-05-08 | 2021-09-03 | 广东纯米电器科技有限公司 | Opening and closing control method, device, equipment and medium for smoke baffle |
CN113668661A (en) * | 2021-08-18 | 2021-11-19 | 中云汇(成都)物联科技有限公司 | Intelligent squatting pan system with weighing and safety protection functions |
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