CN109921660A - Electronic control transformer - Google Patents
Electronic control transformer Download PDFInfo
- Publication number
- CN109921660A CN109921660A CN201811056692.6A CN201811056692A CN109921660A CN 109921660 A CN109921660 A CN 109921660A CN 201811056692 A CN201811056692 A CN 201811056692A CN 109921660 A CN109921660 A CN 109921660A
- Authority
- CN
- China
- Prior art keywords
- foot
- control
- optocoupler
- voltage
- effect transistor
- 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.)
- Pending
Links
Landscapes
- Control Of Resistance Heating (AREA)
Abstract
The present invention discloses a kind of electronic control transformer, its use is in AC power source, change RMS VRMS voltage root mean square by the waveform of cutting voltage sine wave, electronic control transformer includes shell, output socket aperture and socket elastic slice, circuit board, circuit board is equipped with input terminal, silicon-controlled or field effect transistor, output end and control module, rectifier or bridge heap are connected between the firewire and middle line of input terminal, the anode output connection Voltage stabilizing module of rectifier or bridge heap, Voltage stabilizing module link control module, control module includes control IC and triggering and drive part, triggering includes an optocoupler with drive part, control the transmitting terminal of the switch foot connection optocoupler of IC, one foot of optocoupler receiving end connects in the output of firewire or middle line, the another foot of optocoupler receiving end is connect with the pole silicon-controlled or field effect transistor G；The anode of rectifier or bridge heap connects two or more resistance and connects cathode again, and the detecting voltage foot for controlling IC is connected between two resistance.
Description
Technical field:
The present invention relates to electron electric power technical fields, refer in particular to a kind of electronic control transformer.
Background technique:
Transformer is widely applied transformer equipment, the main wound around coil structure on iron core of existing mechanical transformer
At core volume is big, weight is big, itself energy consumption is big, and power factor is low, and not readily transportable, installation and use；Present is each
Kind Switching Power Supply (i.e. electronic transformer) is also transformer equipment, alternating current can also be become to DC voltage, then pass through electronics device
Part frequency conversion, tune width etc., then high frequency voltage rectifying and wave-filtering etc. that transformation is come out, DC voltage required for converting out, still, on
Stating various Switching Power Supplies, there is complex circuits, at high cost, and some is limited by condition, device, circuit, cannot be high-power, big
Current work；What is had can cannot accomplish small in size, weight in high current, high power work, but due to being placed restrictions on by device operating conditions
Amount is light, however it remains volume is big, weight is big, cannot fundamentally solve the disadvantage that appendiron core transformer.
In view of this, the present inventor proposes following technical scheme.
Summary of the invention:
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of electronic control transformers.
In order to solve the above-mentioned technical problem, present invention employs following technical proposals: the electronic control transformer, uses
In AC power source, change RMS VRMS voltage root mean square by the waveform of cutting voltage sine wave, the electronic control transformer packet
Shell, output socket aperture and socket elastic slice, circuit board have been included, input terminal, silicon-controlled or field-effect are provided on the circuit board
Transistor, the output end being connect with silicon-controlled or field effect transistor and brilliant for controlling silicon-controlled ON/OFF or field-effect
The control module of body pipe ON/OFF, it is characterised in that: a rectifier or bridge are connected between the firewire and middle line of the input terminal
Positive polarity output one Voltage stabilizing module of connection of heap, the rectifier or bridge heap, the Voltage stabilizing module connect the control module, institute
The control module stated includes control IC and triggering and drive part, and the triggering and drive part then include an optocoupler, takes control
A foot of IC is as switch foot, which connects the transmitting terminal of optocoupler, and a foot of receiving end connects in firewire in the optocoupler
Or in the output of middle line, the another foot of receiving end is then connect with the pole silicon-controlled or field effect transistor G in optocoupler；Institute
The anode for stating rectifier or bridge heap connects two or more resistance and connects cathode again, takes a foot of the control IC
As detecting voltage foot, which is connected between the resistances.
Furthermore, in above-mentioned technical proposal, when input terminal input AC voltage be 220V-250V, frequency 50 or
When 60Hz, control IC is then delayed 0.004-0.007 seconds after 0V, and the switch human hair combing waste by controlling IC send signal to optocoupler, the optocoupler
Receiving end conducting and drive the conducting of described silicon-controlled or field effect transistor.
Furthermore, in above-mentioned technical proposal, when input terminal input AC voltage be 100V-130V, frequency 50 or
When 60Hz, when the peak value that the detecting voltage foot of the control IC detects voltage sine wave is less than 200V, the switch foot of IC is controlled
Signal is persistently sent to optocoupler, or 0.001 second range sends triggering signal to optocoupler, the receiving end of the optocoupler before and after crossing 0V
It is connected and drives the conducting of described silicon-controlled or field effect transistor.
Furthermore, in above-mentioned technical proposal, take a foot of the control IC as temperature detecting foot, which detects
Survey foot connect NTC or PTC, when control IC temperature detecting foot detect NTC or PTC temperature it is high when, control the switch foot of IC
On the primary time basis for sending signal, the switch foot for controlling IC, which was delayed again after a period of time, sends a signal to the optocoupler.
Furthermore, in above-mentioned technical proposal, the control IC detects voltage by detecting voltage foot, when detecting is sinusoidal
When the down going wave peak voltage of wave is 240V-370V, the switch human hair combing waste of the control IC send signal to the optocoupler.
Furthermore, in above-mentioned technical proposal, take the another foot of the control IC as the second triggering control foot, it should
Second triggering control foot connects second optocoupler, and second optocoupler connects one group of field effect transistor, this group of field effect transistor
With above-mentioned silicon-controlled or field effect transistor and be connected on main line；When the voltage value of voltage sine wave crosses 0 or cross 0
In the 0.001 second time of front and back, signal is transmitted to second optocoupler by the second triggering control foot of the control IC, and is set in
Signal is closed in 0.005 second.
Furthermore, one or one in parallel on the socket elastic slice on the main line of electric current in above-mentioned technical proposal
A above capacitor.
Furthermore, in above-mentioned technical proposal, cooling fin, the silicon-controlled or field are additionally provided in the shell
Effect transistor is close on a heat sink.
After adopting the above technical scheme, compared with prior art, the present invention has the following advantages: the present invention uses
In AC power source, change RMS VRMS voltage root mean square by the waveform of cutting voltage sine wave, with control IC and optocoupler
Silicon-controlled or field effect transistor on-off is controlled to control output voltage, the first half of per half period of alternating current is turned off
Carry out the adjusting of output voltage, achieve the purpose that transformation, and route of the present invention is simple, at low cost, can accomplish it is small in size,
It is light-weight, it fundamentally solves the disadvantage that appendiron core transformer, enables the present invention that there is the extremely strong market competitiveness.
Detailed description of the invention:
Fig. 1 is circuit diagram of the invention；
Fig. 2 is main view of the invention；
Fig. 3 is top view of the invention；
Fig. 4 is explosive view of the invention.
Specific embodiment:
The present invention is further described with attached drawing combined with specific embodiments below.
It is a kind of electronic control transformer, use is in AC power source, by cutting voltage sinusoidal as shown in Fig. 1-4
The waveform of wave and change RMS VRMS voltage root mean square, the electronic control transformer include shell 2, output socket aperture 21 and insert
Seat elastic slice 22, circuit board 1 are provided with input terminal 11, silicon-controlled 12 or field effect transistor on the circuit board 1, with silicon-controlled 12
Or field effect transistor connection output end 13 and for controlling silicon-controlled 12 ON/OFF or field effect transistor ON/OFF
Control module 14, the socket aperture 21 and socket elastic slice 22 are used as the output end 13.
A rectifier or bridge heap 17, the rectifier or bridge heap 17 are connected between the firewire and middle line of the input terminal 13
Positive polarity output one Voltage stabilizing module 18 of connection, which connects the control module 14, the control mould
Block 14 includes control IC141 and triggering and drive part, and the triggering and drive part then include an optocoupler 142, takes control
For a foot of IC141 as switch foot 1411, which connects the transmitting terminal of optocoupler 142, receiving end in the optocoupler 142
A foot connect in the output of firewire or middle line, in optocoupler 142 the another foot of receiving end then with silicon-controlled 12 or field
The pole G of effect transistor connects；The resistance that the anode of the rectifier or bridge heap 17 connects two or more connects again
Cathode takes a foot of the control IC141 as detecting voltage foot 1412, which is connected to two resistance
Between.Present invention use changes RMS VRMS voltage root mean square in AC power source, by the waveform of cutting voltage sine wave, by
Control IC141 and the cooperation of optocoupler 142 control silicon-controlled or field effect transistor on-off to control output voltage, by alternating current
The first half shutdown of per half period carries out the adjusting of output voltage, achievees the purpose that transformation, and route of the present invention simply, at
This is low, can accomplish it is small in size, it is light-weight, fundamentally solves the disadvantage that appendiron core transformer, enables the present invention with extremely strong
The market competitiveness.
For described silicon-controlled 12 or field effect transistor, the present embodiment is used as switch using silicon-controlled 12, without the use of
Field effect transistor.
When the AC voltage that input terminal 13 inputs is 220V-250V, frequency 50 or 60Hz, control IC141 then prolongs after 0V
When 0.004-0.007 seconds, by control IC141 switch foot 1411 send signal to optocoupler 142, the receiving end of the optocoupler 142 is led
Lead to and drives described silicon-controlled 12 or field effect transistor conducting.Either, when the AC voltage that input terminal 13 inputs is 100V-
When 130V, frequency 50 or 60Hz, the peak value that the detecting voltage foot 1412 of the control IC 141 detects voltage sine wave is less than
When 200V, the switch foot 1411 for controlling IC141 persistently sends signal to optocoupler 142, or 0.001 second range hair before and after crossing 0V
Send triggering signal to optocoupler 142, the receiving end conducting of the optocoupler 142 and drive described silicon-controlled 12 or field effect transistor lead
It is logical.Either, take a foot of the control IC141 as temperature detecting foot 1413, the temperature detecting foot 1413 connection NTC or
Person PTC, when control IC141 temperature detecting foot 1413 detect NTC or PTC temperature it is high when, control the switch foot 1411 of IC141
On the primary time basis for sending signal, the switch foot 1411 for controlling IC141 be delayed after a period of time again send a signal to it is described
Optocoupler can refer to after the delay a period of time and be delayed after 0.002-0.005s again.Either, the control IC141 is by electricity
Pressure detecting foot 1412 detects voltage, when the down going wave peak voltage for detecting sine wave is 240V-370V, the control
The switch foot 1411 of IC141 sends signal to the optocoupler 142.Either, take the another foot of the control IC141 as the
Two triggering control feet 1414, the second triggering control foot 1414 connect second optocoupler 143, and second optocoupler 143 connects one group
Field effect transistor 144, this group of field effect transistor 144 with above-mentioned silicon-controlled 12 or field effect transistor and be connected in main line
On；It when the voltage value of voltage sine wave crosses 0 or crosses in 0 0.001 second time of front and back, the second touching of the control IC141
Signal is transmitted to second optocoupler 143 by hair control foot 1414, and is set in 0.005 second and is closed signal.
On the main line of electric current, one or more capacitor in parallel on the socket elastic slice 22.
Cooling fin 23 is additionally provided in the shell 2, described silicon-controlled 12 or field effect transistor are tightly attached to heat dissipation
On piece.The position of the corresponding cooling fin 23 of the shell 2 is provided with heat dissipation orifice plate 24.
Working method of the invention and steps are as follows:
Step 1 after powering on, controls IC and does not open silicon-controlled, the first detection of progress input voltage, frequency first.Input voltage
It is divided into 230V and 120V.When input voltage is between 180V and 250V, it is defaulted as 230V；When input voltage is 90V to 150V
Between when, system default 120V；Frequency is 50HZ and 60HZ.
Step 2, when detecting voltage is 230V/50HZ, control IC detects that the 4.8ms after each half cycle starts is defeated
Pulse out, burst length 1ms, i.e. control IC trigger silicon-controlled opening using pulse mode, and silicon-controlled characteristic is once
Opening is not shut off, and could only be turned off when both end voltage is zero, i.e. zero-crossing switching.
Step 3, when detecting input voltage is 230V/60HZ, control IC detects the 4ms after each half cycle starts
Pulse is exported, the burst length is similarly 1ms.
Step 4, when detecting input voltage is 120V, regardless of frequency is 50HZ or 60HZ, the one of each half cycle is opened
Begin silicon-controlled to open with regard to output pulse, burst length 2ms.
Step 5, when controlling IC and detecting that the temperature on silicon-controlled reaches 105 degree, control IC starts slowly to delay per half
The time that period opens, to reduce output voltage.The temperature on silicon-controlled is detected by detection NTC or PTC temperature.
In conclusion present invention use is in AC power source, it is square to change RMS by the waveform of cutting voltage sine wave
Root voltage value controls output voltage by control IC141 and the cooperation of the optocoupler 142 silicon-controlled or field effect transistor on-off of control,
The adjusting of output voltage is carried out to turn off the first half of per half period of alternating current, achievees the purpose that transformation, and this hair
Open-wire line road is simple, at low cost, can accomplish it is small in size, it is light-weight, fundamentally solve the disadvantage that appendiron core transformer, enable this hair
It is bright that there is the extremely strong market competitiveness.
Certainly, the above is only a specific embodiment of the present invention, be not to limit the scope of the present invention, it is all according to
The equivalent change or modification that structure, feature and principle described in scope of the present invention patent is done should be included in Shen of the present invention
It please be in the scope of the patents.
Claims (8)
1. electronic control transformer, it is square that use changes RMS in AC power source, by the waveform of cutting voltage sine wave
Root voltage value, the electronic control transformer include shell, output socket aperture and socket elastic slice, circuit board, on the circuit board
It is provided with input terminal, silicon-controlled or field effect transistor, the output end connecting with silicon-controlled or field effect transistor and is used for
Control the control module of silicon-controlled ON/OFF or field effect transistor ON/OFF, it is characterised in that: the firewire of the input terminal with
A rectifier or bridge heap are connected between middle line, the positive polarity output of the rectifier or bridge heap connects a Voltage stabilizing module,
The Voltage stabilizing module connects the control module, and the control module includes control IC and triggering and drive part, the triggering with
Drive part then includes an optocoupler, takes a foot of control IC as switch foot, which connects the transmitting terminal of optocoupler, should
A foot of receiving end connects in the output of firewire or middle line in optocoupler, in optocoupler the another foot of receiving end then with it is silicon-controlled
Or the pole the G connection of field effect transistor；The anode of the rectifier or bridge heap connects two or more resistance again
Cathode is connected, takes a foot of the control IC as detecting voltage foot, which connects between the resistances.
2. electronic control transformer according to claim 1, it is characterised in that: when the AC voltage of input terminal input is
When 220V-250V, frequency 50 or 60Hz, control IC is then delayed 0.004-0.007 seconds after 0V, and the switch human hair combing waste by controlling IC is sent
Signal is connected to optocoupler, the receiving end of the optocoupler and drives the conducting of described silicon-controlled or field effect transistor.
3. electronic control transformer according to claim 1, it is characterised in that: when the AC voltage of input terminal input is
When 100V-130V, frequency 50 or 60Hz, the peak value that the detecting voltage foot of the control IC detects voltage sine wave is less than 200V
When, the switch foot for controlling IC persistently sends signal to optocoupler, or 0.001 second range sends triggering signal to light before and after crossing 0V
The receiving end of coupling, the optocoupler is connected and drives the conducting of described silicon-controlled or field effect transistor.
4. electronic control transformer according to claim 1, it is characterised in that: take a foot of the control IC as temperature
Degree detecting foot, the temperature detecting foot connect NTC or PTC, when the temperature detecting foot of control IC detects NTC or PTC temperature height
When, the switch foot of IC is controlled on the primary time basis for sending signal, and the switch foot for controlling IC, which was delayed again after a period of time, to be sent
Signal gives the optocoupler.
5. electronic control transformer according to claim 1, it is characterised in that: the control IC is detectd by detecting voltage foot
Voltage is surveyed, when the down going wave peak voltage for detecting sine wave is 240V-370V, the switch human hair combing waste of the control IC send signal
To the optocoupler.
6. electronic control transformer according to claim 1, it is characterised in that: take the another foot conduct of the control IC
Second triggering control foot, the second triggering control foot connect second optocoupler, and second optocoupler connects one group of field effect transistor,
This group of field effect transistor and above-mentioned silicon-controlled or field effect transistor are simultaneously connected on main line；When the voltage of voltage sine wave
It when being worth 0 or crosses in 0 0.001 second time of front and back, signal is transmitted to second by the second triggering control foot of the control IC
Optocoupler, and be set in 0.005 second and close signal.
7. electronic control transformer according to claim 1, it is characterised in that: on the main line of electric current, the socket
One or more capacitor in parallel on elastic slice.
8. electronic control transformer according to claim 1, it is characterised in that: it is additionally provided with cooling fin in the shell,
The silicon-controlled or field effect transistor is close on a heat sink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811056692.6A CN109921660A (en) | 2018-09-11 | 2018-09-11 | Electronic control transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811056692.6A CN109921660A (en) | 2018-09-11 | 2018-09-11 | Electronic control transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109921660A true CN109921660A (en) | 2019-06-21 |
Family
ID=66959521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811056692.6A Pending CN109921660A (en) | 2018-09-11 | 2018-09-11 | Electronic control transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109921660A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881118A (en) * | 1972-08-25 | 1975-04-29 | Nat Res Dev | Electronic switching circuits |
| CN101183832A (en) * | 2006-11-14 | 2008-05-21 | 湖北师范学院 | A digital control stepless power control device with timing function |
| CN101764416A (en) * | 2008-12-26 | 2010-06-30 | 立锜科技股份有限公司 | Power supply device with temperature compensation control |
| CN206650272U (en) * | 2017-03-01 | 2017-11-17 | 东莞欧陆电子有限公司 | Power supply changeover device with voltage-regulation |
| CN208739040U (en) * | 2018-09-11 | 2019-04-12 | 郝龙龙 | Electronic control transformer |
-
2018
- 2018-09-11 CN CN201811056692.6A patent/CN109921660A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881118A (en) * | 1972-08-25 | 1975-04-29 | Nat Res Dev | Electronic switching circuits |
| CN101183832A (en) * | 2006-11-14 | 2008-05-21 | 湖北师范学院 | A digital control stepless power control device with timing function |
| CN101764416A (en) * | 2008-12-26 | 2010-06-30 | 立锜科技股份有限公司 | Power supply device with temperature compensation control |
| CN206650272U (en) * | 2017-03-01 | 2017-11-17 | 东莞欧陆电子有限公司 | Power supply changeover device with voltage-regulation |
| CN208739040U (en) * | 2018-09-11 | 2019-04-12 | 郝龙龙 | Electronic control transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103917028B (en) | A kind of LED constant current source and control method thereof | |
| CN201663735U (en) | LED power supply | |
| CN103874295B (en) | Single-stage type LED driving power | |
| TW201034517A (en) | Load controller | |
| CN208739040U (en) | Electronic control transformer | |
| WO2018129833A1 (en) | Smart sine-wave voltage conversion circuit based on mos tube full-bridge rectification | |
| US10902998B2 (en) | Electronically controlled transformer | |
| CN106787809A (en) | A kind of intelligent amendment wave voltage change-over circuit based on metal-oxide-semiconductor full-bridge rectification | |
| CN109921660A (en) | Electronic control transformer | |
| CN203590550U (en) | Large-power LED lamp realized by adopting voltage-isolated fly-back controller | |
| CN204597793U (en) | High-power high-frequency switch power supply | |
| CN206180887U (en) | Switch power supply circuit | |
| CN209267452U (en) | Microwave oven supply power circuit and micro-wave oven | |
| CN203827572U (en) | LED constant current source | |
| CN210579355U (en) | A diode single live wire control circuit | |
| CN203967985U (en) | LC series connection self-oscillation voltage conversion circuit | |
| CN209659674U (en) | A LED drive power supply | |
| CN103796375B (en) | Semibridge system constant current driver circuit for LED and LED lamp | |
| CN203289704U (en) | Sectional type LED (Light-Emitting Diode) lamp capable of light modulation and free of external light modulator | |
| CN201107624Y (en) | Control device of adjustable type bathroom warmer | |
| CN206042487U (en) | Volume measure and regulate accuse device of white sodium lamp of high pressure | |
| CN206341042U (en) | A kind of wireless electrical outlet system | |
| CN114401563B (en) | Heater | |
| CN205176685U (en) | Adopt bridge rectifier to pile temperature -control circuit of rectification design | |
| CN114002564B (en) | Thyristor electric-heat combined aging experimental system for simulating long-term operation condition of converter valve |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190621 |
|
| RJ01 | Rejection of invention patent application after publication |