CN206402110U - A kind of Full automatic servo transformer - Google Patents
A kind of Full automatic servo transformer Download PDFInfo
- Publication number
- CN206402110U CN206402110U CN201720050486.9U CN201720050486U CN206402110U CN 206402110 U CN206402110 U CN 206402110U CN 201720050486 U CN201720050486 U CN 201720050486U CN 206402110 U CN206402110 U CN 206402110U
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- transformer
- servo motor
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- servo
- host computer
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Abstract
The utility model discloses a kind of Full automatic servo transformer, including auto-transformer, encoded servo device, servo motor and host computer, the host computer passes through relay and the encoded servo device and servo motor formation Communication Control link, phase mutual feedback, final slaving transformer is exported assigned frequency given voltage, control mode is flexibly effective;The servo motor is installed on the auto-transformer by loading plate and fix bar, and the main shaft of the servo motor connects the main shaft of the auto-transformer by shaft coupling.The Full automatic servo transformer of the design, when progress electronic product needs input given voltage by rule test, can quickly export given voltage, and continuously adjustable output voltage, efficiency high undistorted with output voltage waveforms, behaviour does conveniently, and dependable performance is applied to the advantage continuously run.
Description
Technical field
The utility model is related to transformer device structure field, specially a kind of Full automatic servo transformer.
Background technology
With the examination criteria more and more higher to electronic product, the change of power supply and stability are influence detection knots during detection
A key factor for fruit.
Current alternating current voltage regulating mode is divided into two kinds of AC-DC-AC, friendship-friendship.Typical case's application of AC-DC-AC pressure regulation is frequency conversion
Device, such pressure regulation has an advantage of electrodeless transformation and electrodeless frequency conversion, but to there is output current voltage non-standard for such voltage regulating mode
The defect of sine wave.Friendship-intermodulation pressure is using transformer adjustment, and transformer is divided into two kinds of fixed transformation ratio and adjustable transformation ratio, Gu
Determine transformation ratio by adjusting input and output coil bundle number to control transformation ratio, adjustable transformation is typically controlled by auto-transformer
Output voltage, by adjusting position-adjustable output voltage of the output end in coil.The sharpest edges of friendship-intermodulation pressure with output
The waveform of voltage will not produce change.
Input power is all power frequency supply in the use of electronic product, therefore requires that power supply is the sine of standard during test
Ripple, output frequency and waveform are consistent with input, i.e., the supply frequency and waveform with power network are consistent, therefore in test
Voltage controller power source be using auto-transformer as voltage adjusting device.The pressure regulation process of automatic coupling voltage regulator need by rotate swing rod come
Complete, but pressure regulation is required for regulation to can be only achieved target voltage even tens of times for several times every time, has had a strong impact on the efficiency of detection.
Utility model content
For the shortcoming for overcoming prior art to refer to, the utility model provides a kind of Full automatic servo transformer, works as electronics
Need quickly export given voltage according to the arranges value of host computer during accurate control source when product is tested.
The utility model solve its technical problem use technical scheme for:A kind of Full automatic servo transformer, including from
Coupling transformer, encoded servo device, servo motor and host computer, the host computer is by relay and the encoded servo device and watches
Motor formation Communication Control link is taken, phase mutual feedback finally makes slaving transformer export assigned frequency given voltage, control mode
Flexibly effectively;The servo motor is installed on the auto-transformer by loading plate and fix bar, the servo motor
Main shaft connects the main shaft of the auto-transformer by shaft coupling.
The host computer is provided with the serial ports and power meter of connecting test instrument, and the host computer is gathered by the power meter
Magnitude of voltage as feedback signal, with the servo motor and auto-transformer formation closed loop link.By the analysis to feedback,
Host computer continues to be controlled servo motor (forward/reverse), and until slaving transformer exports desired value, precision is high.Watch
Take transformer and export accurate voltage, need to by slaving transformer K values.K values are sent out when slaving transformer exports given voltage
Great function is waved, the efficiency of the bigger regulation of K values is lower, and the fineness of K values more minor adjustment is higher.
The auto-transformer or servo motor are provided with very big limit switch and minimum limit switch, the self coupling transformation
The main shaft of device or servo motor, which is provided with, can touch the pressure regulation pointer of the very big limit switch and minimum limit switch, the pole
Big limit switch is electrically connected the host computer with minimum limit switch.On automatically reseting, the servo motor can be unlimited
Phase operates again and again, but due to the limitation of intrinsic transformer device structure, the stroke of servo motor can only be limited in greatly spacing open
Close and the stroke within minimum limit switch;Limit switches are set up before and after the servo motor, prevent that servo motor operation is super
Go out stroke.As long as X0.0 or X0.1 have one on limit switch when being true, the soft spacing upper output voltage set on host computer is only
Will be less than 5V or higher than 260V, servo motor shuts down.Transformer automatically resets, one to be in order to prevent transformer from locating for a long time
In the easy aging of working condition, two being the normal condition for protecting the hardware devices such as instrument and meter.
The auto-transformer is provided with AC50Hz input circuits, AC60Hz input circuits and the DC input circuits of mutual exclusion, surveys
One of circuit is only allowed to use during examination.
The beneficial effects of the utility model are:The Full automatic servo transformer of the design, is surveyed when carrying out electronic product by rule
When examination needs input given voltage, given voltage, and continuously adjustable output voltage can be quickly exported, with output voltage waveforms
Undistorted, efficiency high, behaviour does conveniently, and dependable performance is applied to the advantage continuously run.
Brief description of the drawings
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is the scheme of installation of very big limit switch of the present utility model and minimum limit switch.
Embodiment
The utility model is further detailed below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of Full automatic servo transformer, including auto-transformer 1, encoded servo device 21, servo motor 2
With host computer 4, the host computer 4 passes through relay 3 and the encoded servo device 21 and servo motor 2 formation Communication Control chain
Road, phase mutual feedback finally makes slaving transformer export assigned frequency given voltage, and control mode is flexibly effective;The servo horse
It is installed on up to 2 by loading plate 11 and fix bar 12 on the auto-transformer 1, the main shaft of the servo motor 2 passes through shaft coupling
Device 22 connects the main shaft of the auto-transformer 1.The host computer 4 is provided with the serial ports and power meter of connecting test instrument, described
The magnitude of voltage that host computer 4 is gathered by the power meter is used as feedback signal, with the servo motor 2 and the shape of auto-transformer 1
Into closed loop link.
The Full automatic servo transformer of the design is in external design, with fix bar 12 and loading plate 11 in auto-transformer
Install relay 3, encoded servo device 21 and servo motor 2, the surrounding of dispersed weight to transformer on 1 additional, it is ensured that operation one
Cause.
In repacking design, using relay 3, encoded servo device 21, servo motor 2 and shaft coupling 22 to auto-transformer
1 is transformed, and replaces thermal technology's regulation to act with the rotation status of servo motor 2, efficiency high.
In regulation control, in order that the different combined-voltage of slaving transformer output different frequency, must utilize relay
Device 3 realizes that the working condition of relay 3 has host computer 4 to control.Pass through the scheduling of host computer 4, power meter, relay 3, servo
Encoder 21, the formation communication link of servo motor 2, phase mutual feedback finally make slaving transformer export assigned frequency given voltage,
Control mode is flexibly effective.AC50Hz input circuit of the auto-transformer 1 provided with mutual exclusion, AC60Hz input circuits and DC are defeated
Enter circuit, only allow one of circuit to use during test.
On degree of regulation, host computer 4 is used as feedback by serial ports connecting test instrument using the magnitude of voltage that power meter is gathered
Signal, with servo motor and auto-transformer formation closed loop link.By the analysis to feedback, host computer continues to servo motor
(forward/reverse) is controlled, until slaving transformer exports desired value, precision is high.Want the accurate electricity of slaving transformer output
Pressure, need to by slaving transformer K values.K values are played a great role when slaving transformer exports given voltage, and K values are bigger to be adjusted
The efficiency of section is lower, and the fineness of K values more minor adjustment is higher.
As shown in Fig. 2 the auto-transformer or servo motor are provided with very big limit switch 31 and minimum limit switch
32, the main shaft of the auto-transformer or servo motor, which is provided with, can touch the very big limit switch 31 and minimum limit switch
32 pressure regulation pointer, the very big limit switch 31 is electrically connected the host computer with minimum limit switch 32.Automatically reseting
On, the servo motor 2 can again and again be operated with indefinite duration, but due to the limitation of intrinsic transformer device structure, servo motor 2
Stroke has additional before and after can only being limited in very big limit switch 31 and the stroke within minimum limit switch 32, the servo motor
Limit switch, prevents servo motor operation from exceeding stroke.As long as X0.0 or X0.1 have one on limit switch when being true, host computer
As long as the soft spacing upper output voltage set on 4 is less than 5V or higher than 260V, servo motor 2 shuts down.Transformer is automatically multiple
Position, one to be in order to prevent transformer to be chronically at the easy aging of working condition, two being the hardware devices such as protection instrument and meter
Normal condition.
As described above, is only this new preferred embodiment, when can not limit the scope of this new implementation with this,
The simple equivalent changes and modifications made generally according to this new claim and new description, all still belongs to this new
In the range of patent covers.
Claims (4)
1. a kind of Full automatic servo transformer, it is characterised in that including auto-transformer, encoded servo device, servo motor and on
Position machine, the host computer passes through relay and the encoded servo device and servo motor formation Communication Control link, the servo
Motor is installed on the auto-transformer by loading plate and fix bar, and the main shaft of the servo motor is connected by shaft coupling
The main shaft of the auto-transformer.
2. a kind of Full automatic servo transformer according to claim 1, it is characterised in that the host computer is surveyed provided with connection
The serial ports and power meter of test instrument, the magnitude of voltage that the host computer is gathered by the power meter are used as feedback signal, and described
Servo motor and auto-transformer formation closed loop link.
3. a kind of Full automatic servo transformer according to claim 1, it is characterised in that the auto-transformer or servo
Motor is provided with and can touched provided with very big limit switch and minimum limit switch, the main shaft of the auto-transformer or servo motor
The pressure regulation pointer of the very big limit switch and minimum limit switch is touched, the very big limit switch and minimum limit switch are electric
Connect the host computer.
4. a kind of Full automatic servo transformer according to claim 1 or 3, it is characterised in that the auto-transformer is set
There are the AC50Hz input circuits, AC60Hz input circuits and DC input circuits of mutual exclusion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720050486.9U CN206402110U (en) | 2017-01-16 | 2017-01-16 | A kind of Full automatic servo transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720050486.9U CN206402110U (en) | 2017-01-16 | 2017-01-16 | A kind of Full automatic servo transformer |
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Publication Number | Publication Date |
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CN206402110U true CN206402110U (en) | 2017-08-11 |
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CN201720050486.9U Active CN206402110U (en) | 2017-01-16 | 2017-01-16 | A kind of Full automatic servo transformer |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108008213A (en) * | 2017-11-03 | 2018-05-08 | 广州朗豪自动化科技有限公司 | A kind of electrical automation tests system and method |
-
2017
- 2017-01-16 CN CN201720050486.9U patent/CN206402110U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108008213A (en) * | 2017-11-03 | 2018-05-08 | 广州朗豪自动化科技有限公司 | A kind of electrical automation tests system and method |
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