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 PDF

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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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CN
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.)
Granted
Application number
CN201711163415.0A
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Chinese (zh)
Other versions
CN107741043B (en
Inventor
陈常山
李世君
刘毅
许宏雷
岳洪霞
刘媛
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Shandong Institute of Metrology
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Shandong Institute of Metrology
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Filing date
Publication date
Application filed by Shandong Institute of Metrology filed Critical Shandong Institute of Metrology
Priority to CN201711163415.0A priority Critical patent/CN107741043B/en
Publication of CN107741043A publication Critical patent/CN107741043A/en
Application granted granted Critical
Publication of CN107741043B publication Critical patent/CN107741043B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2021Arrangement 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

The safety control of the electronic portable plate of range hood or dodge gate
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.
CN201711163415.0A 2017-11-21 2017-11-21 Safety control device for electric movable plate or movable door of range hood Active CN107741043B (en)

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

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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

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CN107741043B CN107741043B (en) 2024-02-06

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Cited By (2)

* Cited by examiner, † Cited by third party
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

Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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