CN205986626U - Satellite position gesture measuring apparatu power module - Google Patents
Satellite position gesture measuring apparatu power module Download PDFInfo
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- CN205986626U CN205986626U CN201620858377.5U CN201620858377U CN205986626U CN 205986626 U CN205986626 U CN 205986626U CN 201620858377 U CN201620858377 U CN 201620858377U CN 205986626 U CN205986626 U CN 205986626U
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- voltage
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- satellite position
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- 238000001914 filtration Methods 0.000 claims abstract description 22
- 230000006641 stabilisation Effects 0.000 claims abstract description 9
- 238000011105 stabilization Methods 0.000 claims abstract description 9
- 238000002955 isolation Methods 0.000 claims abstract description 6
- 238000005259 measurement Methods 0.000 claims description 17
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000005693 optoelectronics Effects 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of satellite position gesture ground testing technique and specifically relates to a satellite position gesture measuring apparatu power module, include: the switch tube carries out high -speed copped wave, form a rectangle ripples voltage to input direct -current voltage, isolation transformer keeps apart and converts the secondary DC voltage to square wave voltage, rectification filter circuit is to secondary direct current voltage filtering, sampling circuit is to the secondary DC voltage sample of post -filter, optoelectronic coupler is connected with sampling circuit, feedback loop is connected with optoelectronic coupler, receives sampling circuit and keeps apart the voltage signal after enlargeing through optoelectronic coupler, pulse width modulator is connected with feedback loop, adjusts the control impuls width to control switch pipe compensating pipe turn -on time's length finally makes stabilization of output, and the protection circuit, be connected with rectification filter circuit and sampling circuit respectively, carry out overvoltage protection and overcurrent protection to power module. The utility model discloses the voltage stabilization of output, the precision is high, the reliability is high.
Description
Technical field
This utility model is related to satellite position attitude ground test technical field, especially a kind of satellite position attitude measurement
Instrument power module.
Background technology
With the development of large-scale military satellite, meteorological satellite and commercial broadcast telecommunication satellite, the gesture stability essence to satellite
Degree require more and more high it is desirable to the capacity of payload is more and more big, then three-axis stabilization long-life large capacity satellite meet the tendency and
Raw.The technology of non-the normally off key to the measurement of the orientation attitude of motion on star, need accurately, reliable.
Satellite before transmission, needs to carry out ground test, is to ensure that fortune on star to the ground test of satellite position attitude
Dynamic measurement is accurate, reliably crucial, the output voltage stability of satellite position attitude measurement instrument power module of ground test,
Safety and precision are to ensure that orientation attitude measurement is accurately basic.
Utility model content
This utility model is low for prior art Satellite orientation attitude measurement instrument power module spread of voltage, precision
Defect, and provide a kind of output voltage stabilization, reliability is high and the good satellite position attitude measurement instrument power supply mould of Electro Magnetic Compatibility
Block.
This utility model solves its technical problem and be employed technical scheme comprise that：
A kind of satellite position attitude measurement instrument power module is it is characterised in that include：
Switching tube, carries out high speed copped wave to input direct voltage, forms square-wave voltage；
Isolating transformer, is connected with described switching tube, square-wave voltage is isolated and is converted into secondary DC voltage；
Current rectifying and wave filtering circuit, is connected with isolating transformer, to secondary DC voltage filtering；
Sample circuit, is connected with described current rectifying and wave filtering circuit, and filtered secondary DC voltage is sampled；
Photoelectrical coupler, is connected with described sample circuit；
Feedback circuit, is connected with described photoelectrical coupler, receives electricity after photoelectric coupler isolation amplification for the sample circuit
Pressure signal；
Pulse width modulator, is connected with described feedback circuit, produces High-speed Control pulse, realizes closed loop with feedback circuit, adjusts
Section controls pulse width, thus controlling switch pipe adjusts the length of pipe ON time, finally makes output voltage stabilization；
And protection circuit, it is connected with current rectifying and wave filtering circuit and sample circuit respectively, overvoltage protection is carried out to power module
And overcurrent protection.
Further, described power module also includes the LC filter circuit being connected with described protection circuit, to secondary direct current
Voltage carries out secondary filtering.
Further, described pulse width modulator is TL494 pulse width modulator or UC3842 pulse width modulator.
Further, described current rectifying and wave filtering circuit is DLC mode filter.
The output voltage stabilization of orientation of the present utility model attitude measurement instrument power module, reliability and Electro Magnetic Compatibility are relatively
Well, safety and reliability all meet national military standard relevant design and require, and have overcurrent protection, overvoltage protection and short-circuit protection
Function.
Brief description
With reference to the accompanying drawings and examples this utility model is further illustrated.
Fig. 1 is this utility model satellite position attitude measurement instrument power module structure figure.
Specific embodiment
In order that technical problem, technical scheme and beneficial effect that this utility model is solved become more apparent, below
In conjunction with drawings and Examples, this utility model is further elaborated.It should be appreciated that described herein be embodied as
Example only in order to explain this utility model, is not used to limit this utility model.
Satellite position attitude measurement instrument power module as shown in Figure 1, including：The switching tube that is sequentially connected, isolation transformation
Device, current rectifying and wave filtering circuit and protection circuit；Also include sample circuit, photoelectrical coupler, feedback circuit and the pulsewidth being sequentially connected
Manipulator, sample circuit connects current rectifying and wave filtering circuit, pulse width modulator connecting valve pipe.
Switching tube, carries out high speed copped wave to input direct voltage, forms square-wave voltage.Switching tube：Also it is adjustment pipe, it
Normal work, under the two states opening or closing, using quick field effect transistor, requires choosing according to output, pulse width modulation frequency
Select accordingly quick field effect transistor and high speed copped wave is carried out to DC voltage.
Isolating transformer, is connected with described switching tube, square-wave voltage is isolated and is converted into secondary DC voltage.
Current rectifying and wave filtering circuit, is connected with isolating transformer, to secondary DC voltage filtering.Current rectifying and wave filtering circuit adopts DLC
Mode filter, the wave filter being made up of diode, inductance, electric capacity, advantage is that load characteristic is relatively good, in pulse width type switch voltage-stabilizing
Apply relatively common in power supply.
Sample circuit, is connected with described current rectifying and wave filtering circuit, and filtered secondary DC voltage is sampled；Electricity after sampling
Pressure signal one side is input in feedback circuit, is on the other hand transferred to protection circuit.
Photoelectrical coupler, is connected with described sample circuit；The input of major loop and output par, c have passed through isolating transformer
Isolated, realized the isolation between pulse width modulator and major loop by photoelectrical coupler.
Feedback circuit, is connected with described photoelectrical coupler, receives electricity after photoelectric coupler isolation amplification for the sample circuit
Pressure signal；
Pulse width modulator, is connected with described feedback circuit, produces High-speed Control pulse, realizes closed loop with feedback circuit, adjusts
Section controls pulse width, thus controlling switch pipe adjusts the length of pipe ON time, finally makes output voltage stabilization；Pulsewidth modulation
Device is TL494 pulse width modulator or UC3842 pulse width modulator.
And protection circuit, it is connected with current rectifying and wave filtering circuit and sample circuit respectively, overvoltage protection is carried out to power module
And overcurrent protection.Overcurrent protection can be controlled the work of pulse width modulator by sampling on major loop by sampling voltage, from
And play a protective role；Overvoltage protection can be sampled by output voltage and control the conducting of audion to control pulse width modulator
Work, thus play a protective role.Unidirectional Transient Voltage Suppressor may also be employed simultaneously and carries out overvoltage protection, using fusing type or
Self-reparability electric fuse carries out overcurrent protection.
Power module also includes the LC filter circuit being connected with protection circuit, carries out secondary filtering to secondary DC voltage.
Because the ripple of the DC voltage of Switching Power Supply output is generally larger with noise, this index request is very tight, so adding one-level again
LC filter circuit is so as to filter effect is more preferable.
Specifically, operation principle of the present utility model：The DC voltage of input, first passes through switching tube and becomes square wave
Voltage, and isolated through isolating transformer and change, then be filtered through current rectifying and wave filtering circuit, become secondary unidirectional current
Pressure output, supply load electricity consumption；Secondary DC voltage has been connected on sample circuit again simultaneously, if output voltage (secondary unidirectional current
Pressure) change, then the magnitude of voltage that this is changed by sample circuit, deliver to feedback circuit, then control pulse width modulator, adjustment
The ON time of switching tube, thus reach the purpose of voltage stabilizing.
The output voltage stabilization of orientation of the present utility model attitude measurement instrument power module, reliability and Electro Magnetic Compatibility are relatively
Well, safety and reliability all meet national military standard relevant design and require, and have overcurrent protection, overvoltage protection and short-circuit protection
Function.
Above-mentioned is enlightenment according to desirable embodiment of the present utility model, by above-mentioned description, relevant staff
Various change and modification can be carried out in the range of without departing from this utility model technological thought completely.This practicality
Content that new technical scope is not limited in description is it is necessary to determine it according to right technical
Scope.
Claims (4)
1. a kind of satellite position attitude measurement instrument power module is it is characterised in that include：
Switching tube, carries out high speed copped wave to input direct voltage, forms square-wave voltage；
Isolating transformer, is connected with described switching tube, square-wave voltage is isolated and is converted into secondary DC voltage；
Current rectifying and wave filtering circuit, is connected with isolating transformer, to secondary DC voltage filtering；
Sample circuit, is connected with described current rectifying and wave filtering circuit, and filtered secondary DC voltage is sampled；
Photoelectrical coupler, is connected with described sample circuit；
Feedback circuit, is connected with described photoelectrical coupler, receives voltage letter after photoelectric coupler isolation amplification for the sample circuit
Number；
Pulse width modulator, is connected with described feedback circuit, produces High-speed Control pulse, realizes closed loop with feedback circuit, adjusts control
Pulse width processed, thus controlling switch pipe adjusts the length of pipe ON time, finally makes output voltage stabilization；
And protection circuit, it is connected with current rectifying and wave filtering circuit and sample circuit respectively, overvoltage protection and mistake are carried out to power module
Stream protection.
2. satellite position attitude measurement instrument power module according to claim 1 it is characterised in that described power module also
Including the LC filter circuit being connected with described protection circuit, secondary filtering is carried out to secondary DC voltage.
3. satellite position attitude measurement instrument power module according to claim 1 is it is characterised in that described pulse width modulator
For TL494 pulse width modulator or UC3842 pulse width modulator.
4. satellite position attitude measurement instrument power module according to claim 1 is it is characterised in that described rectifying and wave-filtering is electric
Road is DLC mode filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620858377.5U CN205986626U (en) | 2016-08-10 | 2016-08-10 | Satellite position gesture measuring apparatu power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620858377.5U CN205986626U (en) | 2016-08-10 | 2016-08-10 | Satellite position gesture measuring apparatu power module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205986626U true CN205986626U (en) | 2017-02-22 |
Family
ID=59977980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620858377.5U Expired - Fee Related CN205986626U (en) | 2016-08-10 | 2016-08-10 | Satellite position gesture measuring apparatu power module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205986626U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560704A (en) * | 2017-09-26 | 2019-04-02 | 南京淳泰控制设备有限公司 | A kind of orientation attitude measurement instrument battery module |
| CN109996372A (en) * | 2019-04-30 | 2019-07-09 | 电子科技大学中山学院 | LED driving power supply |
| CN113846965A (en) * | 2020-06-09 | 2021-12-28 | 中国石油化工股份有限公司 | System for controlling downhole steering tool |
-
2016
- 2016-08-10 CN CN201620858377.5U patent/CN205986626U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560704A (en) * | 2017-09-26 | 2019-04-02 | 南京淳泰控制设备有限公司 | A kind of orientation attitude measurement instrument battery module |
| CN109996372A (en) * | 2019-04-30 | 2019-07-09 | 电子科技大学中山学院 | LED driving power supply |
| CN113846965A (en) * | 2020-06-09 | 2021-12-28 | 中国石油化工股份有限公司 | System for controlling downhole steering tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 |