CN205792516U - Operating board control circuit and operating board - Google Patents
Operating board control circuit and operating board Download PDFInfo
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- CN205792516U CN205792516U CN201620517949.3U CN201620517949U CN205792516U CN 205792516 U CN205792516 U CN 205792516U CN 201620517949 U CN201620517949 U CN 201620517949U CN 205792516 U CN205792516 U CN 205792516U
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Abstract
The utility model discloses a kind of operating board control circuit and operating board, wherein operating board control circuit includes the first key switch, the second key switch, bistable trigger-action circuit, the first state detection circuit, the second state detection circuit and power supply；Bistable trigger-action circuit exports the first level in an initial condition；Trigger the first key switch and the second key switch, the first state detection circuit and the second state detection circuit output triggering signal to overturn to second electrical level to bistable trigger-action circuit, bistable trigger-action circuit output level by the first level simultaneously；The most individually triggering the second key switch, bistable trigger-action circuit output level is overturn to the first level by second electrical level.Technical solutions of the utility model have good stability, the advantage that safety is high.
Description
Technical field
This utility model relates to electronic circuit technology field, particularly to a kind of operating board control circuit and behaviour
Station.
Background technology
When a lot of electric and pneumatic operating board operate, it may appear that a kind of mode of operation may jeopardize operator
Safety situation.Such as punch press, when controlling punching machine presses, for preventing arm contact dangerous position to be subject to
Wound, two buttons needing operator's both hands to press on control station respectively are opened, to prevent operational error
Press single button and make punching machine presses, cause danger.When punch press rises, without risk of injury, now
One hand pressing on-off control punch press is only needed to rise.
Existing operating board control circuit generally uses high-voltage relay circuit realiration, and forceful electric power interferes greatly,
False triggering easily occur, danger is bigger.
Utility model content
Main purpose of the present utility model is to provide a kind of operating board control circuit, it is intended to improve operating board control
The interference free performance of circuit processed, improves safety.
For achieving the above object, the utility model proposes a kind of operating board control circuit, including first by
Key switch, the second key switch, bistable trigger-action circuit, the first state detection circuit, the second state inspection
Slowdown monitoring circuit and power supply；
Described bistable trigger-action circuit, exports two kinds of level；Described first state detection circuit and described
Second state detection circuit, common detection the first key switch or the triggering state of the second key switch；Institute
State the first key switch and the second key switch, the level of switching bistable trigger-action circuit output；
In an initial condition, described bistable trigger-action circuit exports the first level；Trigger the first button simultaneously
Switch and the second key switch, the first state detection circuit and the output of the second state detection circuit trigger signal
To described bistable trigger-action circuit, described bistable trigger-action circuit output level is by the first level upset to the
Two level；The most individually triggering the second key switch, described bistable trigger-action circuit output level is by second
Level overturns to the first level.
Preferably, individually triggering the first key switch, described bistable trigger-action circuit output level is constant.
Preferably, described first key switch and described second key switch all include the first end, the second end,
3rd end and the 4th end；In an initial condition, the first end of the first key switch, the second end conducting,
First end of the second key switch, the second end conducting；After triggering the first key switch and the second key switch,
3rd end of the first key switch, the 4th end conducting, the 3rd end of the second key switch, the 4th end conducting.
Preferably, the first end of described first key switch is connected with described power supply, and described first button is opened
The second end closed is connected with the first test side of described first state detection circuit；Described first key switch
The first control end of the 3rd end and described bistable trigger-action circuit be connected, the of described first key switch
Four ends are connected with the first test side of described second state detection circuit；
First end of described second key switch is connected with described power supply, the second of described second key switch
End is connected with the second test side of described second state detection circuit；3rd end of described second key switch
It is connected with the input of described bistable trigger-action circuit, the 4th end ground connection of described second key switch；
Second control end of described bistable trigger-action circuit and the second detection of described first state detection circuit
End connects；The outfan of described bistable trigger-action circuit connects external equipment；Described bistable trigger-action circuit
Power end, the power end of described first state detection circuit and the electricity of described second state detection circuit
Source is all connected with described power supply.
Preferably, described bistable trigger-action circuit include the first resistance, the second resistance, the 3rd resistance,
Four resistance, the 5th resistance, the first switching tube, second switch pipe, the 3rd switching tube；Described first resistance
The first end be connected with described power supply, described first resistance is through described second resistance eutral grounding；Described first opens
The outfan closing pipe is connected with the controlled end of described second switch pipe through described 3rd resistance, and described first opens
Closing the input end grounding of pipe, the controlled end of described first switching tube is connected with the first end of described 4th resistance；
Second end of described 4th resistance is connected with the outfan of described second switch pipe, described second switch pipe
Input end grounding；First end of described 5th resistance is connected with described power supply, the second of described 5th resistance
End is connected with the outfan of described second switch pipe；The outfan of described 3rd switching tube leaves with described second
The outfan closing pipe connects, the input of described 3rd switching tube and the 3rd end of described second key switch
Connecting, the controlled end of described 3rd switching tube is connected with the second test side of described first state detection circuit.
Preferably, described first state detection circuit include the 6th resistance, the 7th resistance, the 8th resistance,
9th resistance, the tenth resistance, the first electric capacity, the 4th switching tube and the 5th switching tube；Described 4th opens
The controlled end closing pipe is connected with the second end of described first key switch, the input of described 4th switching tube
Being connected with described power supply, the outfan of described 4th switching tube is through described first capacity earth；Described 6th
First end of resistance is connected with the controlled end of described 4th switching tube, the second end ground connection of described 6th resistance；
First end of described 7th resistance is connected with described power supply, second end and the described 5th of described 7th resistance
The outfan of switching tube connects；The controlled end of described 5th switching tube is through described 8th resistance and the described 4th
The outfan of switching tube connects, the input end grounding of described 5th switching tube；The first of described 9th resistance
End is connected with the controlled end of described 5th switching tube, the second end ground connection of described 9th resistance；Described tenth
First end of resistance is connected with the controlled end of described 3rd switching tube, the first end of described tenth resistance also with
Second end of described 7th resistance connects, the second end ground connection of described tenth resistance.
Preferably, described second state detection circuit include the 11st resistance, the 12nd resistance, the 13rd
Resistance, the second electric capacity, the 6th switching tube and the 7th switching tube；The input of described 6th switching tube with
Described power supply connects, and the outfan of described 6th switching tube is through described second capacity earth, and the described 6th opens
The controlled end closing pipe is connected with the second end of described second key switch；First end of described 11st resistance
It is connected with the controlled end of described 6th switching tube, the second end ground connection of described 11st resistance；Described 7th
The outfan of switching tube is connected with the 4th end of described first key switch, the output of described 7th switching tube
End ground connection, the controlled end of described 7th switching tube is defeated through described 12nd resistance and described 6th switching tube
Go out end to connect；First end of described 13rd resistance is connected with the controlled end of described 7th switching tube, described
Second end ground connection of the 13rd resistance.
Preferably, described first switching tube, described 3rd switching tube, described 5th switching tube and described
7th switching tube is NMOS tube；Described second switch pipe, the 4th switching tube and the 6th switching tube are equal
For audion.
This utility model also proposes a kind of operating board, including operating board control circuit as above, described
Operating board control circuit include the first key switch, the second key switch, bistable trigger-action circuit, first
State detection circuit, the second state detection circuit and power supply；Described bistable trigger-action circuit, exports two
Plant stable level；Described first state detection circuit and described second state detection circuit, examine jointly
Survey the triggering state of the first key switch or the second key switch；Described first key switch and second is pressed
Key switch, the level of switching bistable trigger-action circuit output；In an initial condition, described bistable state triggers
Circuit exports the first level；Trigger the first key switch and the second key switch, the first state-detection simultaneously
Circuit and the output of the second state detection circuit trigger signal to described bistable trigger-action circuit, described bistable state
Trigger circuit output level to be overturn to second electrical level by the first level；The most individually trigger the second key switch,
Described bistable trigger-action circuit output level is overturn to the first level by second electrical level.
Technical solutions of the utility model by arrange the first key switch, the second key switch, bistable state touch
Power Generation Road, the first state detection circuit, the second state detection circuit and power supply, define a kind of operation
Platform control circuit.This operating board control circuit is operated at lower voltages, and experienced interference is low,
Good stability, improves the safety of operating board control circuit.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that,
Accompanying drawing in describing below is only embodiments more of the present utility model, for ordinary skill people
From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain according to the structure shown in these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the functional block diagram of this utility model operating board control circuit one embodiment；
Fig. 2 is the structural representation of this utility model operating board control circuit one embodiment.
Drawing reference numeral illustrates:
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings into
One step explanation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only of the present utility model one
Section Example rather than whole embodiments.Based on the embodiment in this utility model, this area is general
The every other embodiment that logical technical staff is obtained under not making creative work premise, broadly falls into
The scope of this utility model protection.
It is to be appreciated that directional instruction in this utility model embodiment (such as upper and lower, left and right,
It is forward and backward ...) it is only used for explanation phase under a certain particular pose (as shown in drawings) between each parts
To position relationship, motion conditions etc., if this particular pose changes, then directionality indicates also
Change the most therewith.
It addition, the description relating to " first ", " second " etc. in this utility model is only used for describing purpose,
And it is not intended that indicate or imply its relative importance or the implicit number indicating indicated technical characteristic
Amount.Thus, define " first ", the feature of " second " can be expressed or implicitly include at least one
Individual this feature.It addition, the technical scheme between each embodiment can be combined with each other, but must be with
Based on those of ordinary skill in the art are capable of, when conflicting or nothing occurs in the combination of technical scheme
Will be understood that when method realizes that the combination of this technical scheme does not exists, the guarantor not required at this utility model
Within the scope of protecting.
The utility model proposes a kind of operating board control circuit.
With reference to Fig. 1, in this utility model embodiment, this operating board control circuit includes the first key switch
HD, the second key switch UHD, bistable trigger-action circuit the 100, first state detection circuit 200, second
State detection circuit 300 and power supply 400；
Described bistable trigger-action circuit 100, exports two kinds of stable level；Described first state detection circuit
200 and described second state detection circuit 300, common detection the first key switch HD or the second button are opened
Close the triggering state of UHD；Described first key switch HD and the second key switch UHD, switching is double
The level of stable trigger circuit 100 output；
In an initial condition, described bistable trigger-action circuit 100 exports the first level；Trigger first simultaneously
Key switch HD and the second key switch UHD, the first state detection circuit 200 and the second state-detection
Circuit 300 output triggers signal to described bistable trigger-action circuit 100, described bistable trigger-action circuit 100
Output level is overturn to second electrical level by the first level；The most individually trigger the second key switch UHD, institute
State bistable trigger-action circuit 100 output level to be overturn to the first level by second electrical level.
In the present embodiment, the first level is low level, and second electrical level is low and high level.Power supply 400 exports
Voltage is 5V (volt).This operating board control circuit can be applicable to a lot of electric and pneumatic operating board, example
Such as operating punch machine platform.If false triggering key switch causes punching machine presses, easily cause the wound of staff
Evil.When therefore controlling punching machine presses by operating board control circuit, need to press the first button simultaneously and open
Closing HD and the second key switch UHD, now bistable trigger-action circuit 100 output level is turned over by high level
Go to low level；After punch press completes punching press action, need to control punch press and be returned to original state, i.e. control
Punch press processed rises, and now punch press is the safest, will not damage staff, only need to be by pressing
Pressing the second key switch UHD, bistable trigger-action circuit 100 output level is overturn to low level by high level,
Punch press returns to original state, in order to enter next driving stroke.
It should be noted that individually pressing the first key switch HD is invalid, bistable trigger-action circuit 100
Output level does not overturns.First key switch HD arranges left hand position, the second key switch UHD
It is correspondingly arranged in right-hand lay.The generally right hand of people is more flexible, therefore when controlling punch press and rising, logical
Cross the right hand and press the second key switch UHD.
Technical solutions of the utility model are by arranging the first key switch HD, the second key switch UHD, double
Stable trigger circuit the 100, first state detection circuit the 200, second state detection circuit 300 and power supply 400,
Define a kind of operating board control circuit.This operating board control circuit is operated at lower voltages,
Experienced interference is low, good stability, improves the safety of operating board control circuit.
Further, in the present embodiment, individually triggering the first key switch HD, described bistable state triggers electricity
Road 100 output level is constant.First key switch HD only presses tactile with the second key switch UHD simultaneously
Give, just can work so that output level overturns.
With reference to Fig. 2, specifically, described first key switch HD and described second key switch UHD is equal
Including the first end, the second end, the 3rd end and the 4th end；(equal table in Fig. 1, Fig. 2 in an initial condition
That show is the first key switch HD under original state, the connected mode of the second key switch UHD), first
First end of key switch HD, the second end conducting, first end of the second key switch UHD, the second end
Conducting；After triggering the first key switch HD and the second key switch UHD, the first key switch HD's
3rd end, the 4th end conducting, the 3rd end of the second key switch UHD, the 4th end conducting.
Specifically, first end of described first key switch HD is connected with described power supply 400, and described
Second end of one key switch HD is connected with the first test side of described first state detection circuit 200；
3rd end of described first key switch HD connects with the first control end of described bistable trigger-action circuit 100
Connecing, the 4th end of described first key switch HD is examined with the first of described second state detection circuit 300
Survey end connects；
First end of described second key switch UHD is connected with described power supply 400, and described second button is opened
The second end closing UHD is connected with the second test side of described second state detection circuit 300；Described second
3rd end of key switch UHD is connected with the input of described bistable trigger-action circuit 100, and described second
The 4th end ground connection of key switch UHD；
Second control end of described bistable trigger-action circuit 100 and described first state detection circuit 200
Second test side connects；The outfan of described bistable trigger-action circuit 100 connects external equipment；Described double
The power end of stable trigger circuit 100, the power end of described first state detection circuit 200 and described
The power end of the second state detection circuit 300 is connected with described power supply 400 respectively.
With reference to Fig. 2, specifically, described bistable trigger-action circuit 100 includes the first resistance R1, the second electricity
Resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the first switching tube Q1, second open
Close pipe Q2 and the 3rd switching tube Q3；First end of described first resistance R1 is with described power supply VCC (i.e.
Power supply 400 in Fig. 1) connect, described first resistance R1 is through described second resistance R2 ground connection；Described
The outfan of the first switching tube Q1 is through the controlled end of described 3rd resistance R3 Yu described second switch pipe Q2
Connect, the input end grounding of described first switching tube Q1, the controlled end of described first switching tube Q1 and institute
The first end stating the 4th resistance R4 connects；Second end of described 4th resistance R4 and described second switch pipe
The outfan of Q2 connects, the input end grounding of described second switch pipe Q2；The of described 5th resistance R5
One end is connected with described power supply VCC, second end of described 5th resistance R5 and described second switch pipe Q2
Outfan connect；The outfan of described 3rd switching tube Q3 and the outfan of described second switch pipe Q2
Connect, the input of described 3rd switching tube Q3 and the three-terminal link of described second key switch UHD,
The controlled end of described 3rd switching tube Q3 connects with the second test side of described first state detection circuit 200
Connect.
It should be noted that bistable trigger-action circuit 100 is under the effect not having external triggering signal, electricity
Road is in original steady statue all the time.Trigger under signal function in additional input, bistable trigger-action circuit
100 are turned to another steady statue from a steady statue.
After power supply VCC powers on, due to switching tube self on state characteristic, second switch pipe Q2 first turns on,
Bistable trigger-action circuit 100 output head grounding, the first switching tube Q1 are turned off；3rd switching tube Q3
Turn off, now bistable trigger-action circuit 100 output low level.
Specifically, described first state detection circuit 200 include the 6th resistance R6, the 7th resistance R7,
Eight resistance R8, the 9th resistance R9, the tenth resistance R10, the first electric capacity C1, the 4th switching tube Q4 and
5th switching tube Q5；The of the controlled end of described 4th switching tube Q4 and described first key switch HD
Two ends connect, and the input of described 4th switching tube Q4 is connected with described power supply VCC, and the described 4th opens
Close the outfan of pipe Q4 through described first electric capacity C1 ground connection；First end of described 6th resistance R6 and institute
The controlled end stating the 4th switching tube Q4 connects, the second end ground connection of described 6th resistance R6；Described 7th
First end of resistance R7 is connected with described power supply VCC, second end of described 7th resistance R7 and described the
The outfan of five switching tube Q5 connects；The controlled end of described 5th switching tube Q5 is through described 8th resistance R8
It is connected with the outfan of described 4th switching tube Q4, the input end grounding of described 5th switching tube Q5；Institute
The controlled end of the first end and described 5th switching tube Q5 of stating the 9th resistance R9 is connected, described 9th resistance
The second end ground connection of R9；First end of described tenth resistance R10 is controlled with described 3rd switching tube Q3's
End connects, and first end of described tenth resistance R10 also the second end with described 7th resistance R7 is connected, institute
State the second end ground connection of the tenth resistance R10.
It should be noted that in an initial condition, first end of the first key switch HD, the second end are led
Logical, now the 4th switching tube Q4 turns off, and the 5th switching tube Q5 is also switched off.
Specifically, described second state detection circuit 300 includes the 11st resistance R11, the 12nd resistance
R12, the 13rd resistance R13, the second electric capacity C2, the 6th switching tube Q6 and the 7th switching tube Q7；
The input of described 6th switching tube Q6 is connected with described power supply VCC, described 6th switching tube Q6's
Outfan is through described second electric capacity C2 ground connection, and the controlled end of described 6th switching tube Q6 is pressed with described second
Second end of key switch UHD connects；First end of described 11st resistance R11 and described 6th switching tube
The controlled end of Q6 connects, the second end ground connection of described 11st resistance R11；Described 7th switching tube Q7
Outfan be connected with the 4th end of described first key switch HD, the output of described 7th switching tube Q7
End ground connection, the controlled end of described 7th switching tube Q7 is through described 12nd resistance R12 and described 6th switch
The outfan of pipe Q6 connects；First end of described 13rd resistance R13 is with described 7th switching tube Q7's
Controlled end connects, the second end ground connection of described 13rd resistance R13.
It should be noted that in an initial condition, the 6th switching tube Q6 and the 7th switching tube Q7 is turned off.
In the present embodiment, described first switching tube Q1, described 3rd switching tube Q3, described 5th switch
Pipe Q5 and described 7th switching tube Q7 is NMOS tube；Described second switch pipe Q2, the 4th open
Close pipe Q4 and the 6th switching tube Q6 and be audion.
In conjunction with Fig. 2, technical solutions of the utility model are further elaborated:
After power supply VCC and power supply VCC powers on, second switch pipe Q2 first turns on, and has dragged down first and has opened
Closing pipe Q1 gate voltage and the first switching tube Q1 is turned off, bistable trigger-action circuit 100 exports low electricity
Flat.
When the most individually pressing the first key switch HD, the 3rd end of the first key switch HD and the 4th end
Conducting, owing to the first switching tube Q1 is off state, pipe Q2 is in the conduction state for second switch, double
Stable trigger circuit 100 output low level, keeps constant；If individually pressing the second key switch UHD,
3rd end of the second key switch UHD and the conducting of the 4th end, the gate pole of the 3rd switching tube Q3 is high voltage,
3rd switching tube Q3 conducting, the now grounded drain of the 3rd switching tube Q3, bistable trigger-action circuit 100
Output level is still low level.
Press the first key switch HD and the second key switch UHD at both hands simultaneously, be now PNP
4th switching tube Q4 of type and the 6th switching tube Q6 reaches turn-on condition；After 4th switching tube Q4 conducting
To the first electric capacity C1 charging, in the first electric capacity C1 both end voltage more than the 5th switching tube Q5 conduction threshold
Time, the 5th switching tube Q5 conducting；The second electric capacity C2 charging is given, the after 6th switching tube Q6 conducting
When two electric capacity C2 both end voltage are more than the 7th switching tube Q7 conduction threshold, the 7th switching tube Q7 conducting；
Now the base stage of second switch pipe Q2 and the gate voltage of the 3rd switching tube Q3 are pulled low, and are both off, and
First switching tube Q1 conducting, bistable trigger-action circuit 100 exports high level, due to the first electric capacity C1 and
Second electric capacity C2 stores electric energy, unclamps both hands during this, the 5th switching tube Q5 and the 7th can be kept to hold
Closing pipe Q7 conducting, now press the first key switch HD or the second key switch UHD, bistable state is touched
Power Generation Road 100 output level keeps constant, and bistable trigger-action circuit 100 can still export high level.
Electric energy in the first electric capacity C1 and the second electric capacity C2 can not maintain the 5th switching tube Q5 and again
During seven switching tube Q7 conductings, the 5th switching tube Q5 and the 7th switching tube Q7 is turned off；If it is now singlehanded
Pressing the first key switch HD, owing to the 7th switching tube Q7 is off state, therefore bistable state triggers
Circuit 100 output level keeps constant, is still high level；If singlehanded pressing the second key switch UHD pipe,
Owing to the 5th switching tube Q5 turns off, the 3rd switching tube Q3 gate pole is high voltage, and the 3rd switching tube Q3 reaches
To turn-on condition, now the 3rd switching tube Q3 conducting, the grounded drain of the 3rd switching tube Q3, thus double
Stable trigger circuit 100 output level overturns, output low level.
Technical solutions of the utility model just can work at the lower voltage, and its stable performance is susceptible to forceful electric power
Interference, safety is high；This utility model circuit uses conventional components and parts to constitute simultaneously, and its structure is simpler
Single, cost is relatively low.
This utility model also proposes a kind of operating board, and this operating board includes aforesaid operations platform control circuit, should
The concrete structure of operating board control circuit is with reference to above-described embodiment, owing to this operating board have employed above-mentioned all
Whole technical schemes of embodiment, the most at least have that the technical scheme of above-described embodiment brought is all
Beneficial effect, this is no longer going to repeat them.
The foregoing is only preferred embodiment of the present utility model, not thereby limit of the present utility model specially
Profit scope, every under inventive concept of the present utility model, in utilizing this utility model description and accompanying drawing
The equivalent structure transformation of Rong Suozuo, or directly/be indirectly used in other relevant technical fields and be included in this
In the scope of patent protection of utility model.
Claims (9)
1. an operating board control circuit, it is characterised in that include that the first key switch, the second button are opened
Pass, bistable trigger-action circuit, the first state detection circuit, the second state detection circuit and power supply；
Described bistable trigger-action circuit, exports two kinds of level；Described first state detection circuit and described
Second state detection circuit, common detection the first key switch or the triggering state of the second key switch；Institute
State the first key switch and the second key switch, the level of switching bistable trigger-action circuit output；
In an initial condition, described bistable trigger-action circuit exports the first level, triggers the first button simultaneously
Switch and the second key switch, the first state detection circuit and the output of the second state detection circuit trigger signal
To described bistable trigger-action circuit, described bistable trigger-action circuit output level is by the first level upset to the
Two level；The most individually triggering the second key switch, described bistable trigger-action circuit output level is by second
Level overturns to the first level.
2. operating board control circuit as claimed in claim 1, it is characterised in that individually trigger first and press
Key switch, described bistable trigger-action circuit output level is constant.
3. operating board control circuit as claimed in claim 2, it is characterised in that described first button is opened
Close and described second key switch all includes the first end, the second end, the 3rd end and the 4th end；Initially
Under state, the first end of the first key switch, the second end conducting, the first end of the second key switch, the
Two end conductings；After triggering the first key switch and the second key switch, the 3rd end of the first key switch,
4th end conducting, the 3rd end of the second key switch, the 4th end conducting.
4. operating board control circuit as claimed in claim 3, it is characterised in that described first button is opened
The first end closed is connected with described power supply, the second end of described first key switch and described first state inspection
First test side of slowdown monitoring circuit connects；3rd end of described first key switch triggers electricity with described bistable state
The first control end on road connects, the 4th end of described first key switch and described second state detection circuit
First test side connect；
First end of described second key switch is connected with described power supply, the second of described second key switch
End is connected with the second test side of described second state detection circuit；3rd end of described second key switch
It is connected with the input of described bistable trigger-action circuit, the 4th end ground connection of described second key switch；
Second control end of described bistable trigger-action circuit and the second detection of described first state detection circuit
End connects；The outfan of described bistable trigger-action circuit connects external equipment；Described bistable trigger-action circuit
Power end, the power end of described first state detection circuit and the electricity of described second state detection circuit
Source is connected with described power supply respectively.
5. operating board control circuit as claimed in claim 4, it is characterised in that described bistable state triggers
Circuit includes the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the first switch
Pipe, second switch pipe, the 3rd switching tube；First end of described first resistance is connected with described power supply, institute
State the first resistance through described second resistance eutral grounding；The outfan of described first switching tube is through described 3rd resistance
It is connected with the controlled end of described second switch pipe, the input end grounding of described first switching tube, described first
The controlled end of switching tube is connected with the first end of described 4th resistance；Second end of described 4th resistance and institute
The outfan stating second switch pipe connects, the input end grounding of described second switch pipe；Described 5th resistance
The first end be connected with described power supply, the second end of described 5th resistance and the output of described second switch pipe
End connects；The outfan of described 3rd switching tube is connected with the outfan of described second switch pipe, and described
The input of three switching tubes and the three-terminal link of described second key switch, being subject to of described 3rd switching tube
Control end is connected with the second test side of described first state detection circuit.
6. operating board control circuit as claimed in claim 5, it is characterised in that described first state inspection
Slowdown monitoring circuit includes the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the first electricity
Appearance, the 4th switching tube and the 5th switching tube；The controlled end of described 4th switching tube and described first button
Second end of switch connects, and the input of described 4th switching tube is connected with described power supply, and the described 4th opens
Close the outfan of pipe through described first capacity earth；First end of described 6th resistance and described 4th switch
The controlled end of pipe connects, the second end ground connection of described 6th resistance；First end of described 7th resistance and institute
Stating power supply to connect, the second end of described 7th resistance is connected with the outfan of described 5th switching tube；Described
The controlled end of the 5th switching tube is connected with the outfan of described 4th switching tube through described 8th resistance, described
The input end grounding of the 5th switching tube；First end of described 9th resistance is controlled with described 5th switching tube
End connects, the second end ground connection of described 9th resistance；First end of described tenth resistance is opened with the described 3rd
The controlled end closing pipe connects, and the first end of described tenth resistance also the second end with described 7th resistance is connected,
Second end ground connection of described tenth resistance.
7. operating board control circuit as claimed in claim 6, it is characterised in that described second state inspection
Slowdown monitoring circuit include the 11st resistance, the 12nd resistance, the 13rd resistance, the second electric capacity, the 6th switching tube,
And the 7th switching tube；The input of described 6th switching tube is connected with described power supply, described 6th switching tube
Outfan open with described second button through described second capacity earth, the controlled end of described 6th switching tube
The second end closed connects；First end of described 11st resistance is connected with the controlled end of described 6th switching tube,
Second end ground connection of described 11st resistance；The outfan of described 7th switching tube leaves with described first button
The 4th end closed connects, the output head grounding of described 7th switching tube, the controlled end of described 7th switching tube
It is connected with the outfan of described 6th switching tube through described 12nd resistance；The first of described 13rd resistance
End is connected with the controlled end of described 7th switching tube, the second end ground connection of described 13rd resistance.
8. operating board control circuit as claimed in claim 7, it is characterised in that described first switching tube,
Described 3rd switching tube, described 5th switching tube and described 7th switching tube are NMOS tube；Described
Second switch pipe, the 4th switching tube and the 6th switching tube are audion.
9. an operating board, it is characterised in that include the operation as described in claim 1-8 any one
Platform control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620517949.3U CN205792516U (en) | 2016-05-31 | 2016-05-31 | Operating board control circuit and operating board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620517949.3U CN205792516U (en) | 2016-05-31 | 2016-05-31 | Operating board control circuit and operating board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205792516U true CN205792516U (en) | 2016-12-07 |
Family
ID=58138838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620517949.3U Expired - Fee Related CN205792516U (en) | 2016-05-31 | 2016-05-31 | Operating board control circuit and operating board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205792516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645601A (en) * | 2019-10-28 | 2020-01-03 | 珠海格力电器股份有限公司 | Key detection device of gas stove and gas stove |
-
2016
- 2016-05-31 CN CN201620517949.3U patent/CN205792516U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645601A (en) * | 2019-10-28 | 2020-01-03 | 珠海格力电器股份有限公司 | Key detection device of gas stove and gas stove |
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Granted publication date: 20161207 |