CN207516781U - A kind of SCM Based regulator - Google Patents
A kind of SCM Based regulator Download PDFInfo
- Publication number
- CN207516781U CN207516781U CN201721383906.1U CN201721383906U CN207516781U CN 207516781 U CN207516781 U CN 207516781U CN 201721383906 U CN201721383906 U CN 201721383906U CN 207516781 U CN207516781 U CN 207516781U
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- voltage
- circuit
- zero
- microcontroller
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Abstract
The utility model discloses a kind of SCM Based ac voltage regulator, including main circuit, microcontroller, trigger circuit, voltage comparator, voltage zero-crossing detection circuit and current over-zero detection circuit；The microcontroller connection input voltage and power supply；The microcontroller connects the trigger circuit；The trigger circuit connects the main circuit；The microcontroller connects the voltage comparator, the voltage comparator connection voltage zero-crossing detection circuit and current over-zero detection circuit；The circuit zero cross detection circuit connects the trigger circuit.Ac voltage regulator provided by the utility model, simple in structure, control is flexible, and fast response time is small to harmonic pollution in electric power net, can realize the purpose stabilized the output voltage on this basis.
Description
Technical field
The utility model is related to electric informations, relate generally to a kind of regulator.
Background technology
At present, China certain areas grid supply quality is poor, and voltage ripple of power network range is larger.Voltage ripple of power network pair
Sensibility loads, such as computer, communication equipment influence are very big, it is possible to cause in these system loss of effective data, communication
The serious consequences such as disconnected.Therefore, it is critically important to adjust the normal operation that network voltage loads sensibility.Switching mode in the market
AC voltage regulator product generally adds isolation boosting transformer device structure using phased AC/AC converter.As a result of each week
Phase phase control techniques, response time can be less than a network voltage period.But the harmonic content of its output voltage and electric current compared with
Height needs the filtering link of larger capacity, and input power factor is relatively low.From the point of view of present Research both domestic and external, exchange is cut
Wave Regulation Control technology is a kind of novel high-performance AC voltage adjusting technology.
Utility model content
To solve the above-mentioned problems, a kind of SCM Based ac voltage regulator of the offer of the utility model, including master
Circuit, microcontroller, trigger circuit, voltage comparator, voltage zero-crossing detection circuit and current over-zero detection circuit；The microcontroller
Connect input voltage and power supply；The microcontroller connects the trigger circuit；The trigger circuit connects the main circuit；It is described
Microcontroller connects the voltage comparator, the voltage comparator connection voltage zero-crossing detection circuit and current over-zero detection electricity
Road；The circuit zero cross detection circuit connects the trigger circuit.
Further, the microcontroller uses Dspic30f6014a chips；The microcontroller uses independent power supply.
Further, the trigger circuit includes relay, and the relay uses APA3311 relays；It is described after
Electric appliance connects thyristor.
Further, the voltage comparator uses LM311 voltage comparators.
Further, the current over-zero detection electric furnace includes TA17-12 precision current transformers.
A kind of SCM Based ac voltage regulator provided by the utility model, the voltage comparator use LM311
Voltage comparator, the voltage comparator input current is small, and operating voltage range is big, exports compatible RTL, DTL and TTL and MOS
Etc. models circuit；The current over-zero detection circuit, is detected electric current using TA17-12 precision current transformers,
TA17 potline currents mutual inductor closes iron core using high-quality slope film, and import circular thread winder coiling makes the linearity be better than one thousandth,
The precision of detection is improved, also optimizes performance.Control method has control flexibly, fast response time, to harmonic pollution in electric power net
The advantages that small.Ac voltage regulator provided by the utility model is simple in structure, can be reached under conditions of network voltage is unstable
To the purpose stabilized the output voltage.
Description of the drawings
Fig. 1 is ac voltage regulator structure diagram.
Fig. 2 is ac voltage regulator structure diagram.
Fig. 3 is ac voltage regulator hardware structure diagram.
Fig. 4 is voltage over zero detection circuit figure.
Fig. 5 is current zero-crossing point detection circuit figure.
Specific embodiment
Embodiment one
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of SCM Based AC voltage adjusting dress provided by the utility model
It puts, including main circuit, microcontroller, trigger circuit, voltage comparator, voltage zero-crossing detection circuit and current over-zero detection circuit；
The microcontroller connection input voltage and power supply；The microcontroller connects the trigger circuit；Described in the trigger circuit connection
Main circuit；The microcontroller connects the voltage comparator, the voltage comparator connection voltage zero-crossing detection circuit and electric current
Zero cross detection circuit；The circuit zero cross detection circuit connects the trigger circuit.
Specifically, the microcontroller uses Dspic30f6014a chips；The microcontroller uses independent power supply.
Specifically, the trigger circuit includes relay, the relay uses APA3311 relays；The relay
Connect thyristor.
Specifically, the voltage comparator uses LM311 voltage comparators.
Specifically, the current over-zero detection electric furnace includes TA17-12 precision current transformers.
A kind of SCM Based ac voltage regulator provided by the utility model is filled using microcontroller as main control
It puts, the chip of the microcontroller uses Dspic30f6014a chips.Input voltage accesses the microcontroller, and the microcontroller will
It inputs the voltage comparator, then electric furnace and the current over-zero detection circuit is detected by the voltage zero-cross, to institute
It states trigger circuit and sends out the instruction for whether generating trigger pulse, the trigger circuit sends out instruction, Jin Ersuo to the main circuit
It states main circuit work and generates the constant alternating voltage of output.The voltage comparator uses LM311 voltage comparators, the voltage ratio
Compared with device compared with other voltage comparators, small with input current electric current, output voltage range is wide a little.Its input current is only
There is the one thousandth of the input current of the voltage comparators such as LM106, LM710；Simultaneously its output voltage can not only can provide ±
The power supply of 15VDC, moreover it is possible to single source current of+3VDC be provided, using the voltage comparator of the model, microcontroller can be inputted
Voltage is converted to required voltage, then input voltage is converted into the AC signal of 50Hz by step-down transformer.AC signal
Electric furnace and the current over-zero detection circuit are detected into the voltage zero-cross, detects the zero of AC signal, thus to
The trigger circuit sends out the signal whether to set out.The current over-zero detection circuit uses TA17-12 precision current transformers
Electric current is detected, TA17 potline currents mutual inductor closes iron core using high-quality slope film, and import circular thread winder coiling makes linearly
Degree is better than one thousandth.The trigger circuit is exported using APA3311 relays, cooperation electric current, voltage over zero detection circuit,
The switch of PWM pulse-width signals triggering thyristor is generated under the control of Dspic30f6014a singlechip chips, so as to control
The alternating voltage of the output stabilization of the main circuit.
Its circuit diagram is as shown in Figure 2：UI is main circuit power and working power, and QF1, FU are respectively major loop open circuit
Device, fuse, FK, GND are external feedback terminal, and QF2 is rated current and≤1A, K1 are hand/automatic change-over, and W1 is hand
Dynamic given potentiometer（2.2K ~ 10K, more than 2W）, when being controlled using DC0~10V or DC4~20mA signals, signal is defeated by C1 and M
Enter, by correctly setting toggle switch, transformed DC0~5V signals are exported from VO, K1 are put auto state, i.e. VG and VO is short
It connects, KA1 allows control to switch for output（Or contact）, when it is closed regulator output allow.KA2 is pressed for failure reset
Button.When there is overcurrent, overheating fault in regulator, output cut-off, corresponding indicator light flicker, while alarm relay contact is closed
It closes, after regulator trouble shooting, presses KA2（It is closed）Regulator can be resetted, is restarted.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by containing in the equivalent requirements of the claims is fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of SCM Based ac voltage regulator, including main circuit, it is characterised in that：Including microcontroller, trigger circuit,
Voltage comparator, voltage zero-crossing detection circuit and current over-zero detection circuit；The microcontroller connection input voltage and power supply；Institute
It states microcontroller and connects the trigger circuit；The trigger circuit connects the main circuit；The microcontroller connects the voltage ratio
Compared with device, the voltage comparator connection voltage zero-crossing detection circuit and current over-zero detection circuit；The circuit zero passage detection electricity
Road connects the trigger circuit.
2. a kind of SCM Based ac voltage regulator as described in claim 1, it is characterised in that：The microcontroller uses
Dspic30f6014a chips；The microcontroller uses independent power supply.
3. a kind of SCM Based ac voltage regulator as described in claim 1, it is characterised in that：The voltage comparator
Using LM311 voltage comparators.
4. a kind of SCM Based ac voltage regulator as described in claim 1, it is characterised in that：The trigger circuit packet
Relay is included, the relay uses APA3311 relays；The relay connects thyristor.
5. a kind of SCM Based ac voltage regulator as described in claim 1, it is characterised in that：The current over-zero inspection
It surveys electric furnace and includes TA17-12 precision current transformers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721383906.1U CN207516781U (en) | 2017-10-25 | 2017-10-25 | A kind of SCM Based regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721383906.1U CN207516781U (en) | 2017-10-25 | 2017-10-25 | A kind of SCM Based regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207516781U true CN207516781U (en) | 2018-06-19 |
Family
ID=62534934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721383906.1U Expired - Fee Related CN207516781U (en) | 2017-10-25 | 2017-10-25 | A kind of SCM Based regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207516781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646811A (en) * | 2018-07-11 | 2018-10-12 | 南通理工学院 | System and method for realizing automatic temperature control based on single chip microcomputer |
-
2017
- 2017-10-25 CN CN201721383906.1U patent/CN207516781U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646811A (en) * | 2018-07-11 | 2018-10-12 | 南通理工学院 | System and method for realizing automatic temperature control based on single chip microcomputer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20201025 |