CN208285215U - A kind of high frequency switch power controller of optical fiber transmission pwm pulse - Google Patents
A kind of high frequency switch power controller of optical fiber transmission pwm pulse Download PDFInfo
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- CN208285215U CN208285215U CN201821011057.1U CN201821011057U CN208285215U CN 208285215 U CN208285215 U CN 208285215U CN 201821011057 U CN201821011057 U CN 201821011057U CN 208285215 U CN208285215 U CN 208285215U
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Abstract
The utility model relates to a kind of high frequency switch power controllers of optical fiber transmission pwm pulse, including sequentially connected analog controller and pwm pulse receiving module, there are four IGBT signal driver modules for the connection of pwm pulse receiving module, the IGBT signal driver module is connect with major loop, analog controller includes pulse generating circuit, amplifying circuit and electro-optical conversion circuit, the pwm pulse receiving module includes sequentially connected pulse receiving circuit, photoelectric conversion circuit and driving circuit, the output end of the electro-optical conversion circuit is connect with the input terminal of the pulse receiving circuit by optical fiber, the output end of the driving circuit is connect with two IGBT signal driver modules respectively.The input signal of analog controller is isolated with IGBT signal driver module and major loop by optical fiber, prevents the higher-order of oscillation of major loop from influencing input signal, to realize being effectively isolated for analog controller and major loop, guarantees the safety of analog controller.
Description
Technical field
The utility model relates to high frequency switch power technical field, in particular to a kind of high frequency of optical fiber transmission pwm pulse
Switch power controller.
Background technique
Currently, most of in high frequency switch power is all directly to be carried out simulation control and signal driving using cable
Connection.If be attached simulation control pwm pulse output and the driving of IGBT signal using cable in high frequency switch power,
Since high frequency switch power uses the pwm pulse signal of high frequency, along with by capacitor and oscillating transformers in major loop, PWM
Pulse signal rising edge will appear very big oscillation, is easy to appear entire pwm pulse signal and oscillation all occurs, influence input signal
And then the problem of influencing high frequency electric source output.
Utility model content
Technical problem to be solved in the utility model is to be directly connected between analog controller and major loop using cable,
The higher-order of oscillation in major loop causes input signal in analog controller to vibrate, and influences signal input, and then high frequency electric source
The problem of output.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of high frequency of optical fiber transmission pwm pulse is opened
Power-supply controller of electric is closed, including sequentially connected analog controller and pwm pulse receiving module, pwm pulse receiving module are connected with
Four IGBT signal driver modules, the IGBT signal driver module are connect with major loop, which is characterized in that the simulation control
Device includes the pulse generating circuit, defeated with the pulse generating circuit respectively for the two-way pulse for being 180 ° for phase difference output
Two amplifying circuits of outlet connection and the electro-optical conversion circuit being connect with the amplifying circuit, the pwm pulse receiving module
Including sequentially connected pulse receiving circuit, photoelectric conversion circuit and driving circuit, the output end of the electro-optical conversion circuit with
The input terminal of the pulse receiving circuit is connected by optical fiber, and the output end of the driving circuit drives with two IGBT signals respectively
The connection of dynamic model block.
Further, IGBT signal driver module includes the pwm signal driving electricity connecting with the pwm pulse receiving module
Road, the IGBT drive circuit being connect with the pwm signal driving circuit, the IGBT module being connect with the IGBT drive circuit,
The IGBT module is connect with major loop.
Further, the analog controller is also connected with power module.
Further, the power module includes+15V Voltage stabilizing module and -10V Voltage stabilizing module ,+15V the Voltage stabilizing module
Output end is connect with the positive voltage input terminal of the IGBT drive circuit, the output end and the IGBT of the -10V Voltage stabilizing module
The negative voltage input terminal of driving circuit connects.
Further, the IGBT drive circuit is mainly made of chip M57962 and chip TIL117.
Further, the electro-optical conversion circuit is mainly made of chip HFBR1414.
Further, the photoelectric conversion circuit is mainly made of chip HFBR2412.
The beneficial effects of the utility model are: passing through light in the high frequency switch power controller of optical fiber transmission pwm pulse
The pwm pulse receiving module of fibre connection analog controller and IGBT signal driver module front end, therefore, by the defeated of analog controller
Enter signal to be isolated with IGBT signal driver module and major loop, prevent the higher-order of oscillation of major loop from influencing input signal,
Also it avoids breaking down due to major loop, the voltage or current signal to go back from pwm pulse line reflection is caused to burn simulation control
Device processed guarantees the safety of analog controller to realize being effectively isolated for analog controller and major loop, guarantees HF switch electricity
Source safe operation.
Detailed description of the invention
Fig. 1 is the system principle diagram of the utility model；
Fig. 2 is the functional block diagram of IGBT signal driver module in the utility model；
Fig. 3 is the catenation principle figure of IGBT module and major loop in the utility model.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1, a kind of high frequency switch power controller of optical fiber transmission pwm pulse, including sequentially connected simulation
Controller and pwm pulse receiving module, there are four IGBT signal driver module, the IGBT letters for the connection of pwm pulse receiving module
Number drive module is connect with major loop, which is characterized in that the analog controller includes for phase difference output to be 180 ° two
The pulse generating circuit of road pulse, the amplifying circuit being connect respectively with the output end of the pulse generating circuit and with the amplification
The electro-optical conversion circuit of circuit connection, the pwm pulse receiving module include sequentially connected pulse receiving circuit, photoelectric conversion
The input terminal of circuit and driving circuit, the output end of the electro-optical conversion circuit and the pulse receiving circuit is connected by optical fiber
It connects, the output end of the driving circuit is connect with two IGBT signal driver modules respectively.
Principle: the input signal of the pulse generating circuit in input analog controller has current sample to input, arm temperature inputs,
Integrated alarm switching value, in which:
Current sample input, acquires current signal, by exporting required voltage signal after shaping；
The input of arm temperature is temperature sensor input, can effective monitoring major loop running temperature；
Integrated alarm switching value: it can control the output of high frequency switch power pwm pulse.
Pulse generating circuit adjusts pulse according to input signal and exports width, and pulse generating circuit generates two-way phase difference and is
180 ° of two-way pwm pulse, two-way pwm pulse passes through amplifying circuit amplification respectively, electro-optical conversion circuit carries out photoelectric conversion and is
Light pulse is transmitted to pulse receiving circuit along two fibre circuits respectively, then is converted into electric signal i.e. PWM through photoelectric conversion circuit
Signal, then after driving circuit amplifies, per pwm signal all the way, it is decomposed into two paths of signals, an IGBT signal driving is inputted respectively
Module.Therefore, a total of four road pwm signal at this time inputs four IGBT signal driver modules, wherein with the two-way of phase respectively
Pwm signal inputs two IGBT signal driver modules with transformer composition series loop in major loop, in addition two-way respectively
Pwm signal, input forms in two IGBT signal driver modules of another series loop with transformer in major loop respectively.Cause
This, the input signal of analog controller is isolated with IGBT signal driver module and major loop, prevents the height of major loop
Frequency vibration swings influence input signal, also avoids breaking down due to major loop, cause the voltage to go back from pwm pulse line reflection or
Current signal burns analog controller, to realize being effectively isolated for analog controller and major loop, guarantees analog controller
Safety guarantees high frequency switch power safe operation.
Further, as shown in Fig. 2, IGBT signal driver module includes the PWM connecting with the pwm pulse receiving module
Signal drive circuit, the IGBT drive circuit connecting with the pwm signal driving circuit are connect with the IGBT drive circuit
IGBT module, the IGBT module are connect with major loop.Pwm pulse has already been through amplification before inputting IGBT drive module,
But be still not enough to drive IGBT module, therefore, it is necessary to after pwm signal driving circuit amplifies again, input IGBT is driven
Circuit carries out two-stage amplification transmission in IGBT drive circuit, is input to IGBT module.In each IGBT signal driver module
IGBT module, transistor T1, transistor T2, transistor T3 in corresponding diagram 3 or one in transistor T4, wherein crystal
The pwm signal input of IGBT signal driver module where pipe T1 and transistor T4 is by decomposing with pwm pulse signal all the way
It arrives, therefore, Phase synchronization, as a same reason, the PWM letter of transistor T2 and the IGBT signal driver module input where transistor T3
Number phase is identical, but due to decomposing to obtain using another way pwm pulse signal, inputs with transistor T1 and transistor T4
180 ° of the phase phase difference of pwm pulse.Main loop circuit exports after being rectified by AC380V input rectifying bridge Briage in Fig. 3, then
By the inverter circuit inversion output of transistor T1, transistor T2, transistor T3 and transistor T4 composition, finally by blocking electricity
Hold C1 and is output to high frequency transformer T.Therefore, the gate pole of IGBT module is controlled by pwm pulse signal, and IGBT module is adjusted
On-off achievees the purpose that control high frequency switch power.Major loop and control loop, that is, analog controller pass through Fiber isolation, because
This, the oscillation of major loop will not influence the input signal of analog controller, therefore, will not influence the output arteries and veins of analog controller
Punching.
Further, the analog controller is also connected with power module.
For the power module of analog controller using AC17V or AC24V as input voltage, power module passes through pressure stabilizing
Afterwards, the voltage input of 5V, ± 15V and 12V are provided for the pulse generating circuit in analog controller.
Further, the power module includes+15V Voltage stabilizing module and -10V Voltage stabilizing module ,+15V the Voltage stabilizing module
Output end is connect with the positive voltage input terminal of the IGBT drive circuit, the output end and the IGBT of the -10V Voltage stabilizing module
The negative voltage input terminal of driving circuit connects.
Further, the IGBT drive circuit is mainly made of chip M57962 and chip TIL117.
IGBT drive circuit will amplify after the signal isolation after the driving of pwm signal driving circuit, be supplied to IGBT module, real
The on-off action of existing IGBT module.The IGBT drive circuit being made of chip M57962 chip TIL117, chip M57962 have
Below a little: higher input and output isolation；Using dual power supply mode, guarantee IGBT module reliable on off；Inside have short
Circuit is protected on road, realizes two-stage amplification transmission, it is sufficient to reach the driving current of IGBT module.
Further, the electro-optical conversion circuit is mainly made of chip HFBR1414.
HFBR-1414 is the fiber optic emitter integrated using semiconductor, and the electric pulse that pulse generating circuit is generated is converted
At light pulse, and terminal is sent by light and is sent.
Further, the photoelectric conversion circuit is mainly made of chip HFBR2412.
HFBR-2412 optical receiver is made of an efficient PIN photodiode, for converting optical signals to electric signal
Input driving circuit amplifies afterwards.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of high frequency switch power controller of optical fiber transmission pwm pulse, including sequentially connected analog controller and PWM arteries and veins
Receiving module is rushed, there are four IGBT signal driver module, the IGBT signal driver modules for the pwm pulse receiving module connection
It is connect with major loop, which is characterized in that the analog controller includes the arteries and veins for the two-way pulse for being 180 ° for phase difference output
Punching occur circuit, two amplifying circuits being connect respectively with the output end of the pulse generating circuit and with the amplifying circuit
The electro-optical conversion circuit of connection；
The pwm pulse receiving module includes sequentially connected pulse receiving circuit, photoelectric conversion circuit and driving circuit, described
The output end of electro-optical conversion circuit is connect with the input terminal of the pulse receiving circuit by optical fiber, the output of the driving circuit
End is connect with two IGBT signal driver modules respectively.
2. a kind of high frequency switch power controller of optical fiber transmission pwm pulse according to claim 1, which is characterized in that
The IGBT signal driver module includes the pwm signal driving circuit connecting with the pwm pulse receiving module and the PWM
The IGBT drive circuit of signal drive circuit connection, the IGBT module being connect with the IGBT drive circuit, the IGBT module
It is connect with the major loop.
3. a kind of high frequency switch power controller of optical fiber transmission pwm pulse according to claim 2, which is characterized in that
The analog controller is also connected with power module.
4. a kind of high frequency switch power controller of optical fiber transmission pwm pulse according to claim 3, which is characterized in that
The power module includes+15V Voltage stabilizing module and -10V Voltage stabilizing module, the output end and the IGBT of the+15V Voltage stabilizing module
The positive voltage input terminal of driving circuit connects, the output end of -10V Voltage stabilizing module and the negative voltage of the IGBT drive circuit
Input terminal connection.
5. a kind of high frequency switch power controller of optical fiber transmission pwm pulse according to claim 4, which is characterized in that
The IGBT drive circuit is mainly formed by connecting by chip M57962 and chip TIL117.
6. a kind of high frequency switch power controller of optical fiber transmission pwm pulse described in any one of -5 according to claim 1,
It is characterized in that, the electro-optical conversion circuit is mainly made of chip HFBR1414.
7. a kind of high frequency switch power controller of optical fiber transmission pwm pulse described in any one of -5 according to claim 1,
It is characterized in that, the photoelectric conversion circuit is mainly made of chip HFBR2412.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821011057.1U CN208285215U (en) | 2018-06-28 | 2018-06-28 | A kind of high frequency switch power controller of optical fiber transmission pwm pulse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821011057.1U CN208285215U (en) | 2018-06-28 | 2018-06-28 | A kind of high frequency switch power controller of optical fiber transmission pwm pulse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208285215U true CN208285215U (en) | 2018-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821011057.1U Active CN208285215U (en) | 2018-06-28 | 2018-06-28 | A kind of high frequency switch power controller of optical fiber transmission pwm pulse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208285215U (en) |
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2018
- 2018-06-28 CN CN201821011057.1U patent/CN208285215U/en active Active
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