CN206775380U - A kind of injection machine servo-drive operation control circuit - Google Patents
A kind of injection machine servo-drive operation control circuit Download PDFInfo
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- CN206775380U CN206775380U CN201720622077.1U CN201720622077U CN206775380U CN 206775380 U CN206775380 U CN 206775380U CN 201720622077 U CN201720622077 U CN 201720622077U CN 206775380 U CN206775380 U CN 206775380U
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Abstract
The utility model belongs to SERVO CONTROL electronic technology field, provide a kind of injection machine servo-drive operation control circuit, include the filtration module and power module being electrically connected to each other, power module includes voltage-regulator diode D10, voltage-regulator diode D9, inductance L3, electric capacity C18, electric capacity C19, electric capacity C20, electric capacity C21, resistance R39, resistance R40, resistance R41, light emitting diode D11 and earth terminal DGND, and filtration module includes electric capacity C1, resistance R1, electric capacity C2, electric capacity C3, active device transistor T1 and load resistance RL1.The utility model has the advantage of can select larger resistance and less electric capacity and can reaches same filter effect during filtering; make the reduction of output voltage ripple coefficient; waveform becomes smoother; the parallel circuit formed simultaneously using the parallel connection of multiple voltage-regulator diodes, to improve the stability of control circuit supply voltage, also improves the security of control circuit come protection circuit.
Description
Technical field
The utility model belongs to SERVO CONTROL electronic technology field, and in particular to a kind of injection machine servo-drive operational control
Circuit.
Background technology
With the continuous development of Power Electronic Technique, servo drive control technology, which reaches, to be widely applied.Especially it is being molded
When machine carries out injection operation, each push-botton operation in the inside and display are required for corresponding control circuit to be driven control, therefore
Need to provide extra power supply on the control circuitry, and need the security and stability of the power circuit, existing injection
Machine servo-drive operation control circuit is direct offer power supply, is not filtered operation to corresponding power supply, so can be right
Whole injection molding operation interferes.
The content of the invention
Technical problem to be solved in the utility model is the present situation for prior art, and provide a kind of security it is good,
Stability is high, the injection machine servo-drive operation control circuit of good wave filtering effect.
Technical scheme is used by the utility model solves above-mentioned technical problem：A kind of injection machine servo-drive operation control
Circuit processed, includes the filtration module and power module being electrically connected to each other, and described power module includes voltage-regulator diode
D10, voltage-regulator diode D9, inductance L3, electric capacity C18, electric capacity C19, electric capacity C20, electric capacity C21, resistance R39, resistance R40, resistance
R41, light emitting diode D11 and earth terminal DGND, described electric capacity C18, electric capacity C19, electric capacity C20, electric capacity C21 parallel connections are even
Connect, described voltage-regulator diode D10 and electric capacity C18 is connected in parallel, and described inductance L3 is connected to voltage-regulator diode D10 and electric capacity
Between C18, electric capacity C18, electric capacity C19, electric capacity C20, electric capacity C21 and voltage-regulator diode D10 common end and earth terminal DGND
Connection, described resistance R39 and resistance R41 are connected in parallel after being connected in series with resistance R40, and voltage-regulator diode D9 is connected electrically in electricity
Hinder between R39, resistance R40, light emitting diode D11 is connected electrically between resistance R40, resistance R41, electric capacity C18, electric capacity C19, electricity
Hold C20, electric capacity C21 common output end electric connection resistance R39 and voltage-regulator diode D9, it is characterised in that described filtering mould
Block includes electric capacity C1, resistance R1, electric capacity C2, electric capacity C3, active device transistor T1 and load resistance RL1, described electric capacity
C2 is in parallel with electric capacity C1 after being connected in series with resistance R1, and electric capacity C1 and resistance R1 common end are connected electrically in active device transistor
On T1 colelctor electrode, described resistance R1 and electric capacity C2 common end are connected electrically in base stage, described source device transistor T1
Emitter stage electrical connection electric capacity C3 and load resistance RL1, electric capacity C3 and load resistance RL1 are connected in parallel.
Compared with prior art, the utility model has the advantage of can select larger resistance and less electricity during filtering
Hold and can reaches same filter effect, make the reduction of output voltage ripple coefficient, waveform becomes smoother, utilize simultaneously
Multiple voltage-regulator diodes parallel circuit in parallel formed carrys out protection circuit to improve the stability of control circuit supply voltage, also carries
The high security of control circuit.
Brief description of the drawings
Fig. 1 is this injection machine servo-drive operation control circuit schematic diagram.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in figure 1, this injection machine servo-drive operation control circuit, include the filtration module that is electrically connected to each other and
Power module, power module include voltage-regulator diode D10, voltage-regulator diode D9, inductance L3, electric capacity C18, electric capacity C19, electric capacity
C20, electric capacity C21, resistance R39, resistance R40, resistance R41, light emitting diode D11 and earth terminal DGND, described electric capacity
C18, electric capacity C19, electric capacity C20, electric capacity C21 are connected in parallel, and voltage-regulator diode D10 is connected in parallel with electric capacity C18, inductance L3 connections
Between voltage-regulator diode D10 and electric capacity C18, electric capacity C18, electric capacity C19, electric capacity C20, electric capacity C21 and voltage-regulator diode D10
Common end be connected with earth terminal DGND, resistance R39 and resistance R41 are connected in parallel after being connected in series with resistance R40, the pole of voltage stabilizing two
Pipe D9 is connected electrically between resistance R39, resistance R40, and light emitting diode D11 is connected electrically between resistance R40, resistance R41, electric capacity
C18, electric capacity C19, electric capacity C20, electric capacity C21 common output end electric connection resistance R39 and voltage-regulator diode D9, pass through profit here
With multiple voltage-regulator diodes parallel circuit formed in parallel come protection circuit to improve the stability of control circuit supply voltage,
Improve the security of control circuit.
Filtration module includes electric capacity C1, resistance R1, electric capacity C2, electric capacity C3, active device transistor T1 and load resistance
RL1, described electric capacity C2 and resistance R1 are in parallel with electric capacity C1 after being connected in series, and electric capacity C1 and resistance R1 common end are connected electrically in
On active device transistor T1 colelctor electrode, described resistance R1 and electric capacity C2 common end are connected electrically in base stage, described
Source device transistor T1 emitter stage electrically connects electric capacity C3 and load resistance RL1, and electric capacity C3 and load resistance RL1 are connected in parallel,
Here the maximum innovation of this patent is to add filtration module in power module, here filtration module it be by electric capacity C1,
The electricity that the emitter-follower of the π type RC filter circuits of resistance R1, electric capacity C2 composition and active device transistor T compositions is formed by connecting
Road.Resistance R1 electric current IR=IE/ (1+ β)=IRL/ (1+ β) is flowed through, the electric current for flowing through resistance R1 is only the 1/ (1 of load current
+ β), it is possible to larger resistance is used, is coordinated with electric capacity C2 to obtain preferable filter effect, so that the electricity at electric capacity C2 both ends
The ripple component of pressure reduces, and the voltage at output voltage and electric capacity C2 both ends is of substantially equal, therefore the ripple component of output voltage
Cut down, while in terms of load resistance RL1 both ends, filter element resistance R1, the electric capacity C2 of base loop are folded to emitter-base bandgap grading
Loop, (1+ β) times is reduced equivalent to resistance R1, and electric capacity C2 increases (1+ β) times, therefore can selected in filtering larger
Resistance and less electric capacity and can reaches same filter effect.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from it is of the present utility model spirit defined in scope.
Claims (1)
1. a kind of injection machine servo-drive operation control circuit, include the filtration module and power module being electrically connected to each other,
Described power module includes voltage-regulator diode D10, voltage-regulator diode D9, inductance L3, electric capacity C18, electric capacity C19, electric capacity
C20, electric capacity C21, resistance R39, resistance R40, resistance R41, light emitting diode D11 and earth terminal DGND, described electric capacity
C18, electric capacity C19, electric capacity C20, electric capacity C21 are connected in parallel, and described voltage-regulator diode D10 and electric capacity C18 is connected in parallel, described
Inductance L3 be connected between voltage-regulator diode D10 and electric capacity C18, electric capacity C18, electric capacity C19, electric capacity C20, electric capacity C21 and
Voltage-regulator diode D10 common end is connected with earth terminal DGND, and described resistance R39 and resistance R41 are connected in series rear and resistance
R40 is connected in parallel, and voltage-regulator diode D9 is connected electrically between resistance R39, resistance R40, and light emitting diode D11 is connected electrically in resistance
Between R40, resistance R41, electric capacity C18, electric capacity C19, electric capacity C20, electric capacity C21 common output end electric connection resistance R39 and steady
Press diode D9, it is characterised in that described filtration module includes electric capacity C1, resistance R1, electric capacity C2, electric capacity C3, active device
, electric capacity C1 and electricity in parallel with electric capacity C1 after transistor T1 and load resistance RL1, described electric capacity C2 and resistance R1 are connected in series
Resistance R1 common end is connected electrically on active device transistor T1 colelctor electrode, described resistance R1 and electric capacity C2 common end electricity
It is connected in base stage, described source device transistor T1 emitter stage electrical connection electric capacity C3 and load resistance RL1, electric capacity C3 and negative
Resistance RL1 is carried to be connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720622077.1U CN206775380U (en) | 2017-05-31 | 2017-05-31 | A kind of injection machine servo-drive operation control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720622077.1U CN206775380U (en) | 2017-05-31 | 2017-05-31 | A kind of injection machine servo-drive operation control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206775380U true CN206775380U (en) | 2017-12-19 |
Family
ID=60639769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720622077.1U Active CN206775380U (en) | 2017-05-31 | 2017-05-31 | A kind of injection machine servo-drive operation control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206775380U (en) |
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2017
- 2017-05-31 CN CN201720622077.1U patent/CN206775380U/en active Active
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