CN107612295B - A kind of button power controller - Google Patents
A kind of button power controller Download PDFInfo
- Publication number
- CN107612295B CN107612295B CN201710956827.3A CN201710956827A CN107612295B CN 107612295 B CN107612295 B CN 107612295B CN 201710956827 A CN201710956827 A CN 201710956827A CN 107612295 B CN107612295 B CN 107612295B
- Authority
- CN
- China
- Prior art keywords
- button
- power
- unit
- nand gate
- drop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a kind of button power controller, including pushbutton unit, light-coupled isolation unit, NAND gate unit, non-volatile digital potentiometer unit, pulse width modulation type controller unit, optical fiber transmission units；When pressing the power per liter key in pushbutton unit, signal is output to NAND gate unit after light-coupled isolation unit, through entering non-volatile digital potentiometer cell processing with non-post, it exports result and is sent into pulse width modulation type controller unit, most afterwards through optical fiber output control mainboard Power Regulation.The present invention interlocks key by two-way, and with light-coupled isolation cell isolation, by NAND gate unit, non-volatile digital potentiometer unit, pulse width modulation type controller unit most generates Power Regulation signal through optical fiber transmission unit afterwards, avoids interference signal；Stable equipment operation will not damage inverter thyristor without chaser when Power Regulation.
Description
Technical field
The present invention relates to a kind of button power controllers, are a kind of frequency-converter power controllers, are mainly used for series resonance
Frequency conversion furnace.
Background technique
The technical staff for being related to working in terms of frequency conversion melting, induction heating both knows about greatly, and button is being pressed and reciprocal mistake
Cheng Zhonghui generates " spring " phenomenon.As shown in Figure 1, it is same, for potentiometer during transfer, can also it generate sometimes similar existing
As, that is, the one type of described interference, for more demanding frequency conversion equipment, the harm of above-mentioned phenomenon is very big
, will lead to equipment and be unable to stable operation, when Power Regulation, will appear chaser, inverter thyristor can be made to damage when serious, to user with
Carry out unnecessary economic loss.
Summary of the invention
For above-mentioned technical problem underlying, the purpose of the present invention is to provide one kind can effectively solve the prior art
Button power controller of problems.
To achieve the above object, technological means adopted by the present invention is: a kind of button power controller, including button
Unit, light-coupled isolation unit, NAND gate unit, non-volatile digital potentiometer unit, pulse width modulation type controller unit, optical fiber
Transmission unit；When pressing the power per liter key in pushbutton unit, signal is output to NAND gate unit after light-coupled isolation unit,
Through entering non-volatile digital potentiometer cell processing with non-post, output result is sent into pulse width modulation type controller unit, finally
Through optical fiber output control mainboard Power Regulation.
Further, the pushbutton unit includes power per liter button, drop power button.
Further, the normally opened button S1up of the power per liter, the normally closed button S1on of power per liter, the drop normally opened button of power
S2down, the drop normally closed button S2off of power respectively correspond four road optical coupling isolation circuit U6A, U5B of light-coupled isolation unit, U6B,
Four road NAND gate circuit U1a, U1c, U1b, U1d of U5A and NAND gate unit；The wherein normally opened button S1up of power per liter, drop function
NAND gate circuit U1a, U1b corresponding to the normally opened button S2down of rate are exported to non-volatile digital potentiometer unit；Power per liter
NAND gate circuit U1c, U1d corresponding to normally closed button S1on, the drop normally closed button S2off of power are exported to optical coupling isolation circuit
U2a, U2b, optical coupling isolation circuit U2a are exported to door-plate booting indicator light LEDs1, optical coupling isolation circuit U2b and are exported to door-plate and close
Machine indicator light LEDs2, while the input terminal of NAND gate circuit U1c is connected and exports with the output end of NAND gate circuit U1d and forbids
Signal is to pulse width modulation type controller unit.
Further, the non-volatile digital potentiometer unit is with digital regulation resistance chip X9511 and peripheral circuit
It constitutes.
Further, the pulse width modulation type controller unit is constituted with SG3525 chip and peripheral circuit.
Further, the working principle of the button power controller is: in start process, booting is closed with power per liter
With a button S1up, when a button is depressed, optical coupling isolation circuit U6A is open-minded, and the 3. foot of NAND gate circuit U1a becomes low flat,
So that 5 feet of non-volatile digital potentiometer U3 is exported 0~5V adjustable voltage, is added pulsewidth modulation type controller U4's through resistance R5
2. foot, through non-inverting output, while pressing power per liter button, the foot of NAND gate circuit U1d exports high level, and door-plate is opened
Machine indicator light LEDs1 is lighted, the foot of NAND gate circuit U1c output low level and self-locking, makes pulsewidth modulation type controller U4's
10. foot keeps low level, make its unlock, such pulsewidth modulation type controller U4, foot have signal output, the signal is through light
Fibre is transferred in master board, generates Power Regulation signal；
In shutdown process, drop power and the shared button S2down that shuts down first drop power when length presses this button,
Power is delayed 1 second again after being reduced to zero, and the Y foot of NAND gate circuit U1d exports high level, and halt indicator is bright on door-plate, meanwhile, envelope
Pulsewidth modulation type controller U4 is locked, makes it, foot is without output.
Further, the drop power and the shared button S2down that shuts down, when pressing the shutdown of this button, on the one hand
Optical coupling isolation circuit U6B conducting, makes the 4. foot low level of NAND gate circuit U1b, starts to drop power, another aspect light-coupled isolation
Circuit U 5A is also simultaneously turned on, and the aluminium electrolutic capacitor Cc being connected between optical coupling isolation circuit U5A output end and ground is made to discharge,
When its electric discharge is lower than 2.6V, the 10. foot of NAND gate circuit U1c is just overturn, and is controlled the discharge time of aluminium electrolutic capacitor Cc, is made
Power minimizes, then the 1 second time shutdown that is delayed.
The beneficial effects of the present invention are: key is interlocked by two-way, NAND gate list is passed through with light-coupled isolation cell isolation
Member, non-volatile digital potentiometer unit, pulse width modulation type controller unit most generate Power Regulation letter through optical fiber transmission unit afterwards
Number, avoid interference signal；Stable equipment operation will not damage inverter thyristor without chaser when Power Regulation.
Detailed description of the invention
The present invention is further elaborated with embodiment with reference to the accompanying drawing.
Fig. 1 is that interference illustrates in the prior art；
Fig. 2 is schematic block circuit diagram of the present invention；
Fig. 3 is circuit diagram of the present invention.
Specific embodiment
Embodiment 1
As shown in Fig. 2, a kind of button power controller, including pushbutton unit, light-coupled isolation unit, NAND gate unit,
Non-volatile digital potentiometer unit, pulse width modulation type controller unit, optical fiber transmission unit；When pressing the liter in pushbutton unit
When power key, signal is output to NAND gate unit after light-coupled isolation unit, through entering non-volatile digital potentiometer with non-post
Cell processing, output result is sent into pulse width modulation type controller unit, most afterwards through optical fiber output control mainboard Power Regulation.
The pushbutton unit includes that the normally opened button of power per liter, the normally closed button of power per liter, the normally opened button of drop power, drop power are normal
Close button.
Embodiment 2
As shown in figure 3, the normally opened button S1up of the power per liter, the normally closed button S1on of power per liter, the drop normally opened button of power
S2down, the drop normally closed button S2off of power respectively correspond four road optical coupling isolation circuit U6A, U5B of light-coupled isolation unit, U6B,
Four road NAND gate circuit U1a, U1c, U1b, U1d of U5A and NAND gate unit；The wherein normally opened button S1up of power per liter, drop function
NAND gate circuit U1a, U1b corresponding to the normally opened button S2down of rate are exported to non-volatile digital potentiometer unit；Power per liter
NAND gate circuit U1c, U1d corresponding to normally closed button S1on, the drop normally closed button S2off of power are exported to optical coupling isolation circuit
U2a, U2b, optical coupling isolation circuit U2a are exported to door-plate booting indicator light LEDs1, optical coupling isolation circuit U2b and are exported to door-plate and close
Machine indicator light LEDs2, while the input terminal of NAND gate circuit U1c is connected and exports with the output end of NAND gate circuit U1d and forbids
Signal is to pulse width modulation type controller unit.
The non-volatile digital potentiometer unit is constituted with digital regulation resistance chip X9511 and peripheral circuit.
The pulse width modulation type controller unit is constituted with SG3525 chip and peripheral circuit.
The working principle of the button power controller is: in start process, booting shares a button with power per liter
S1up, when a button is depressed, optical coupling isolation circuit U6A are open-minded, NAND gate circuit U1a(4011) Y foot become low flat, make it is non-easily
Lose property digital potentiometer U3(X9511) 5 feet export 0~5V adjustable voltage, through resistance R5 be added pulsewidth modulation type controller U4
(SG3525) 2 feet, through non-inverting output, while pressing power per liter button, NAND gate circuit U1d(4011) foot it is defeated
High level out, door-plate booting indicator light LEDs1 are lighted, NAND gate circuit U1c(4011) 10. foot output low level and self-locking, make
The 10. holding low level of pulsewidth modulation type controller U4 (SG3525) makes its unlock, such pulsewidth modulation type controller U4
(SG3525), foot have signal output, which is transmitted through the optical fiber in master board, generate Power Regulation signal, avoid doing
Disturb signal；
In shutdown process, drop power and the shared button S2down that shuts down first drop power when pressing this button, with
The Y foot of not circuit U1d (4011) exports high level, and halt indicator is bright on door-plate, meanwhile, block pulsewidth modulation type controller
U4 (TC3525) makes it, foot is without output.
It why not is by stop botton with regard to hard stop, as soon as because a button is shared with drop power, if by shutting down at once
It shuts down, then drop power just cannot be achieved, further illustrates its working principle: the drop power and the shared button that shuts down
S2down, when press this button shut down when, one side optical coupling isolation circuit U6B conducting, make NAND gate circuit U1b(4011) 4. foot
For low level, start to drop power, another aspect optical coupling isolation circuit U5A is also simultaneously turned on, made to be connected to optical coupling isolation circuit U5A
Aluminium electrolutic capacitor Cc electric discharge between output end and ground, when its electric discharge is lower than 2.6V, the 10. foot of NAND gate circuit U1c is just turned over
Turn, controls the discharge time of aluminium electrolutic capacitor Cc, power is made to minimize (X9511 is minimized in the short time), then be delayed 1
Time second shuts down, and the resistance value for adjusting resistance R11 in circuit can reach requirement.
The present invention interlocks key by two-way, with light-coupled isolation cell isolation, by NAND gate unit, non-volatile numerical control
Potentiometer unit, pulse width modulation type controller unit most generate Power Regulation signal through optical fiber transmission unit afterwards, avoid interference letter
Number；Stable equipment operation will not damage inverter thyristor without chaser when Power Regulation.
Those of ordinary skill in the art will appreciate that: the above embodiments are only used to illustrate the technical solution of the present invention., and
It is non-that it is limited；Although present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art
It is understood that it is still possible to modify the technical solutions described in the foregoing embodiments, either to part of or
All technical features are equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution this hair
The range of bright each embodiment technical solution.
Claims (5)
1. a kind of button power controller, it is characterised in that: including pushbutton unit, light-coupled isolation unit, NAND gate unit is non-
Volatibility digital potentiometer unit, pulse width modulation type controller unit, optical fiber transmission unit；When pressing the liter function in pushbutton unit
When rate button, signal is output to NAND gate unit after light-coupled isolation unit, through entering non-volatile digital potentiometer with non-post
Cell processing, output result is sent into pulse width modulation type controller unit, most afterwards through optical fiber output control mainboard Power Regulation；The button
Unit includes power per liter button, drop power button, and power per liter button is the normally opened button S1up of power per liter, the normally closed button of power per liter
S1on, drop power button are the normally opened button S2down of drop power, the drop normally closed button S2off of power；The normally opened button of power per liter
The normally closed button S1on of S1up, power per liter, the normally opened button S2down of drop power, the drop normally closed button S2off of power respectively correspond optocoupler
Four road NAND gate circuit U1a of four road optical coupling isolation circuit U6A, U5B, U6B, U5A of isolated location and NAND gate unit,
U1c,U1b,U1d；Wherein the normally opened button S1up of power per liter, drop the normally opened button S2down of power corresponding to NAND gate circuit U1a,
U1b is exported to non-volatile digital potentiometer unit；Corresponding to the normally closed button S1on of power per liter, the drop normally closed button S2off of power
NAND gate circuit U1c, U1d export to optical coupling isolation circuit U2a, U2b, optical coupling isolation circuit U2a export to door-plate booting refer to
Show that lamp LEDs1, optical coupling isolation circuit U2b are exported to door-plate shutdown indicator light LEDs2, while the input terminal of NAND gate circuit U1c
It is connected with the output end of NAND gate circuit U1d and output disable signal is to pulse width modulation type controller unit.
2. button power controller according to claim 1, it is characterised in that: the non-volatile digital potentiometer list
Member is constituted with digital regulation resistance chip X9511 and peripheral circuit.
3. button power controller according to claim 2, it is characterised in that: the pulse width modulation type controller unit
It is constituted with SG3525 chip and peripheral circuit.
4. button power controller according to claim 3, it is characterised in that: in start process, booting and power per liter
Share a button S1up, when a button is depressed, optical coupling isolation circuit U6A is open-minded, NAND gate circuit U1a(4011) 3. foot become
Be it is low flat, make non-volatile digital potentiometer U3(X9511) 5 feet output 0~5V adjustable voltage, pulsewidth tune is added through resistance R5
The 2. foot of type controller U4 (SG3525) processed, through non-inverting output, while pressing power per liter button, NAND gate circuit U1d
(4011) foot exports high level, and door-plate booting indicator light LEDs1 is lighted, NAND gate circuit U1c(4011) the output of 10. foot
Low level and self-locking makes the 10. foot of pulsewidth modulation type controller U4 keep low level, makes its unlock, such pulse width modulation type control
Device U4 processed, foot have signal output, which is transmitted through the optical fiber in master board, generate Power Regulation signal；Shutdown process
In, drop power and the shared button S2down that shuts down first drop power when pressing this button, and power is delayed again after being down to zero
1 second, the Y foot of NAND gate circuit U1d exported high level, and halt indicator is bright on door-plate, meanwhile, block pulsewidth modulation type controller
U4 makes it, foot is without output.
5. button power controller according to claim 4, it is characterised in that: the drop power and shutdown share one
Button S2down, when pressing the shutdown of this button, one side optical coupling isolation circuit U6B conducting makes NAND gate circuit U1b(4011)
4. foot is low level, start to drop power, another aspect optical coupling isolation circuit U5A is also simultaneously turned on, and makes to be connected to light-coupled isolation electricity
Electrolytic capacitor Cc electric discharge between road U5A output end and ground, when its electric discharge is lower than 2.6V, the 10. foot of NAND gate circuit U1c
It just overturns, controls the discharge time of electrolytic capacitor Cc, minimize power, then the 1 second time shutdown that is delayed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710956827.3A CN107612295B (en) | 2017-10-16 | 2017-10-16 | A kind of button power controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710956827.3A CN107612295B (en) | 2017-10-16 | 2017-10-16 | A kind of button power controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107612295A CN107612295A (en) | 2018-01-19 |
| CN107612295B true CN107612295B (en) | 2019-04-19 |
Family
ID=61078292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710956827.3A Active CN107612295B (en) | 2017-10-16 | 2017-10-16 | A kind of button power controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107612295B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279384A (en) * | 1999-07-02 | 2001-01-10 | 沈天虎 | Electric water heater |
| CN2627612Y (en) * | 2003-05-20 | 2004-07-21 | 深圳市珊星电脑有限公司 | Equipment for regulating LCD contrast |
| KR20090055747A (en) * | 2007-11-29 | 2009-06-03 | 현대자동차주식회사 | Controlling system of wiper, washer and method thereof |
| CN201674406U (en) * | 2010-05-12 | 2010-12-15 | 云南电力试验研究院(集团)有限公司 | High-power switching power supply device |
| CN202120211U (en) * | 2011-06-27 | 2012-01-18 | 电光防爆科技（上海）有限公司 | Intrinsic safety type digital keyboard for mining |
| CN105183416A (en) * | 2015-09-29 | 2015-12-23 | 深圳电器公司 | Method for adjusting screen brightness and processor |
| CN205208844U (en) * | 2015-12-11 | 2016-05-04 | 章新江 | Evaporation formula cooling ventilator intelligence frequency conversion control system |
| CN206453864U (en) * | 2016-10-14 | 2017-09-01 | 上海品瑞医疗器械设备有限公司 | The dentistry sonicator of Digital Control |
-
2017
- 2017-10-16 CN CN201710956827.3A patent/CN107612295B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279384A (en) * | 1999-07-02 | 2001-01-10 | 沈天虎 | Electric water heater |
| CN2627612Y (en) * | 2003-05-20 | 2004-07-21 | 深圳市珊星电脑有限公司 | Equipment for regulating LCD contrast |
| KR20090055747A (en) * | 2007-11-29 | 2009-06-03 | 현대자동차주식회사 | Controlling system of wiper, washer and method thereof |
| CN201674406U (en) * | 2010-05-12 | 2010-12-15 | 云南电力试验研究院(集团)有限公司 | High-power switching power supply device |
| CN202120211U (en) * | 2011-06-27 | 2012-01-18 | 电光防爆科技（上海）有限公司 | Intrinsic safety type digital keyboard for mining |
| CN105183416A (en) * | 2015-09-29 | 2015-12-23 | 深圳电器公司 | Method for adjusting screen brightness and processor |
| CN205208844U (en) * | 2015-12-11 | 2016-05-04 | 章新江 | Evaporation formula cooling ventilator intelligence frequency conversion control system |
| CN206453864U (en) * | 2016-10-14 | 2017-09-01 | 上海品瑞医疗器械设备有限公司 | The dentistry sonicator of Digital Control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107612295A (en) | 2018-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204003546U (en) | A kind of many gears wind speed electric fan | |
| DE102017220815A1 (en) | Method of controlling a cooking appliance with an external controller, cooking appliance and system | |
| CN107612295B (en) | A kind of button power controller | |
| CN106777586B (en) | A kind of operation domain method for solving calculating Distributed Generation in Distribution System and microgrid | |
| CN106851943A (en) | A kind of switch of gesture control light and its control method of regulation | |
| CN107403499A (en) | A kind of method of smart lock and automatic gate probe linkage folding automatically-controlled door | |
| CN206217371U (en) | A kind of typography energy-saving environment-friendly LED UV curing curing apparatus | |
| CN206250364U (en) | A kind of Adaptive matching device for microwave equipment | |
| CN205066169U (en) | Digital display control board of water heater | |
| CN103009806A (en) | Energy-saving temperature control system of unit type gravure printing machine | |
| CN206619132U (en) | The control system of CPU Starting mode | |
| CN208113170U (en) | LED street lamp remote controler based on color temperature adjustment | |
| CN208706587U (en) | A kind of IC trimmer | |
| CN210327363U (en) | Novel feeder automatic voltage regulator complete device | |
| CN108083627A (en) | A kind of control method and device for being used to receive and dispatch piece port | |
| CN207939020U (en) | A kind of distribution automation safety switch | |
| CN209058859U (en) | A kind of coffee machine of the external power-off control system of band | |
| CN104882961B (en) | Error locking preventing method for intelligent micro grid energy regulation and control | |
| CN208094856U (en) | A kind of bar shaped lamp controller | |
| CN204611882U (en) | Smoke exhaust ventilator automatic switching and automatic speed regulation control device | |
| CN210666448U (en) | Control device suitable for intelligent dyeing proof press | |
| CN218721821U (en) | Conversion heating device of solar water heater and geothermal energy water heater | |
| CN204046908U (en) | For the single-key remote-controlled dimming ballast of plant light compensation | |
| CN208096657U (en) | A kind of intelligence bread baker | |
| CN217203229U (en) | Heat setting machine with sectional control function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |