CN103970174A - Power source control circuit for T/R assembly debugging instrument - Google Patents
Power source control circuit for T/R assembly debugging instrument Download PDFInfo
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- CN103970174A CN103970174A CN201410210441.4A CN201410210441A CN103970174A CN 103970174 A CN103970174 A CN 103970174A CN 201410210441 A CN201410210441 A CN 201410210441A CN 103970174 A CN103970174 A CN 103970174A
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Abstract
The invention discloses a power source control circuit for a T/R assembly debugging instrument. The power source control circuit comprises an AD-to-DC module, a first MOS switch, a voltage stabilizing chip module, a second MOS switch, a third MOS switch, a fourth MOS switch, a single chip microcomputer module, a DA controller, a native machine key, a power amplifier key and an assembly key. The single chip microcomputer module makes the voltage stabilizing chip module be within an error range through the DA controller, so that a voltage output value is more accurate; the MOS switches are arranged at the front input end and the rear input end of the voltage stabilizing chip module, an AD sampling point is arranged in front of each MOS switch, the single chip microcomputer module can detect whether the circuit works normally or not and whether voltage and current are normal or not through the AD sampling points to ensure safety of the circuit, and the single chip microcomputer module can give an alarm in time when a problem occurs to remind a user. The power source control circuit is arranged in the T/R assembly debugging instrument, provides an inner power source for the T/R assembly debugging instrument, is beneficial to tests of a T/R assembly and reduces the tedious processes of the tests of the T/R assembly.
Description
Technical field
The invention belongs to TR module testing technical field, be specifically related to a kind of TR assembly debugging instrument power control circuit.
Background technology
Wideband digital array radar is an important trend of current phased-array radar development, because it completes the conversion between digital signal and simulating signal in radar antenna array, make it become a digitized radar completely, along with the development of high-speed sampling technology and high speed digital signal processor, wideband digital T/R assembly is one of gordian technique of wideband digital array radar.
T/R assembly module is the core of Digital Array Radar, it integrates transmitter, receiver, driver and local oscillation signal generator, become a complete transmitter and receiver subsystem, it is that altitude figure and the Multifunction hand of realizing radar have supplied feasible hardware platform.
Utilize DDS technology to complete radar signal and produce, frequency source and a facies-controlled integrated realization, the input/output information of its Control Component is all digitized.When transmitting, produced the width phase control word of each antenna element by real-time signal processor, the signal generator of each T/R assembly is controlled, produce the radiofrequency signal of certain frequency, phase place, amplitude; Export again corresponding antenna element to, finally synthesize required transmitting pattern in space by the radiation signal of each array element.When reception, the microwave signal of the each unit of each T/R assembly receiving antenna, forms intermediate-freuqncy signal through down coversion, then exports echoed signal after if sampling is processed; A large amount of echo datas of multi-path digital T/R assembly output, are sent to real-time signal processor by high speed data transmission system.
Digital T/R assembly based on direct frequency synthesis is one of critical component of Digital Array Radar, comprise the parts such as frequency source, directly frequency synthesis, power amplifier, mixing, filtering, analog to digital conversion, had the multiple implementation such as centralized frequency source, distributed frequency source.
And just because of T/R assembly the importance in Digital Array Radar, it is particularly important that the performance of T/R assembly also just seems, hence one can see that, the test of the T/R assembly most important thing especially, T/R assembly is before coming into operation, all need could on radar, use through strict careful test, because the transmitting-receiving performance of T/R assembly has determined the quality of radar signal, the test job of T/R assembly is extremely important.
The very unicity of testing tool function of existing T/R assembly, especially provide power supply aspect particularly not enough, the test of existing T/R assembly or the instrument of debugging can not provide power supply, all need an external source of stable pressure or DC source that power supply is provided, like this in the time of test, just need to move many instruments tests simultaneously, whole work is not only very loaded down with trivial details, once and out of joint, just need to carry out investigation one by one to each instrument, looking up the fault is very inconvenient, simultaneously, external source of stable pressure is that T/R assembly does not have corresponding safeguard measure when connection, once there is overvoltage or under-voltage situation in source of stable pressure, easily T/R assembly is burnt, cause irremediable loss, external power supply instrument is in the time connecting T/R assembly simultaneously, need to use multimeter to carry out in advance voltage tester, to ensure the accuracy of external power supply instrument output, prevent T/R assembly to cause certain damage, whole test process is not only loaded down with trivial details, and easily there is unexpected problem, cause irremediable loss.
Summary of the invention
Technical matters to be solved by this invention is: for the defect of prior art, a kind of TR assembly debugging instrument power control circuit is provided, be provided with voltage stabilizing chip module, generate the needed voltage of T/R module testing, simultaneously, one-chip computer module is controlled voltage stabilizing chip module is in an error range by DA, make the output valve of voltage more accurate, the front and back input end of the chip module of voltage stabilizing is simultaneously equipped with MOS switch, before MOS switch, be equipped with AD sampled point, whether one-chip computer module can normally work by AD sampled point testing circuit, whether electric current and voltage is normal, ensure the safety of circuit, go wrong simultaneously and can report to the police in time, reminding user, the present invention is arranged at this power control circuit in T/R assembly debugging instrument, for T/R assembly debugging instrument provides internal electric source, not only more be conducive to the test of T/R assembly, also reduced the complicated processes of T/R module testing simultaneously.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of TR assembly debugging instrument power control circuit, comprise that AD turns DC module, the one MOS switch, voltage stabilizing chip module, the 2nd MOS switch, the 3rd MOS switch, the 4th MOS switch, one-chip computer module, DA controls, the machine button, power amplifier button and assembly button, wherein, the one MOS switch connects respectively AD and turns the output terminal of DC module and the input end of voltage stabilizing chip module, the input end that AD turns DC module is connected with external power supply, the output of voltage stabilizing chip module You San road, three tunnel outputs connect respectively the 2nd MOS switch one end, one end of one end of the 3rd MOS switch and the 4th MOS switch, the other end of described the 2nd MOS switch is connected with power amplifier button, the other end of the other end of described the 3rd MOS switch and described the 4th MOS switch is all connected with assembly button, one-chip computer module is connected with assembly button with power amplifier button respectively by the machine button, AD turns between DC module and a MOS switch and is provided with an AD sampled point, between voltage stabilizing chip module and the 2nd MOS switch, be provided with the 2nd AD sampled point, between voltage stabilizing chip module and the 3rd MOS switch, be provided with the 3rd AD sampled point, between voltage stabilizing chip module and the 4th MOS switch, be provided with the 4th AD sampled point, one-chip computer module is controlled with voltage stabilizing chip module and is connected by DA, the one AD sampled point, the 2nd AD sampled point, the 3rd sampled point is all connected with one-chip computer module with the 4th sampled point,
AD turns the DC module energising source voltage that one-chip computer module turns DC module output terminal by an AD sampled point to AC afterwards and detects, and judge that AC turns the source voltage value of DC module output terminal, when source voltage value exceeds error range, one-chip computer module sends alerting signal, the one not conducting of MOS switch, power control circuit Non voltage output, source voltage value is positioned at error range, the one MOS switch conduction, source voltage input voltage stabilizing chip module;
The reference voltage of one-chip computer module in controlling by DA controlled voltage stabilizing chip module, thereby output required voltage, voltage stabilizing chip module is exported three road voltages, one-chip computer module is by the 2nd AD sampled point, the 3rd AD sampled point and the 4th AD sampled point are sampled to voltage stabilizing chip module San road output voltage respectively, sampling after and standard value compare judgement, if sampled value is in error range, the MOS switch corresponding with this sampled value carries out conducting, if this sampled value exceeds error range, the not conducting of MOS switch that this is corresponding, power control circuit Non voltage output, the 2nd AD sampled point, the numerical value of the 3rd AD sampled point and the 4th AD sampled point is all in error range, the 2nd MOS switch, the 3rd MOS switch, the equal conducting of the 4th MOS switch is also exported corresponding voltage,
After the magnitude of voltage that one-chip computer module detects each sampled point is all normal, one-chip computer module sends enable signal to the machine button, assembly button and power amplifier button, the voltage of the 2nd MOS switch output is through the output of power amplifier button, the voltage of the voltage of the 3rd MOS switch output and the output of the 4th MOS switch is through the output of assembly button, in Voltage-output process, once the magnitude of voltage of certain sampled point occurs abnormal, one-chip computer module sends alerting signal, and cuts off Voltage-output.
As further prioritization scheme of the present invention, described an AD sampled point, the 2nd AD sampled point, the 3rd AD sampled point and the 4th AD sample point are equipped with power resistor, and one-chip computer module calculates the magnitude of voltage of this sampled point after the circuit at this place is sampled.
As further prioritization scheme of the present invention, the 2nd MOS switch, the 3rd MOS switch and the 4th MOS output switching terminal are equipped with direct earth capacitance.
As further prioritization scheme of the present invention, the voltage stabilizing chip model that described voltage stabilizing chip module adopts is LT1963.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
The first, be provided with voltage stabilizing chip module, generate the needed voltage of T/R module testing, meanwhile, one-chip computer module is controlled voltage stabilizing chip module is in an error range by DA, makes the output valve of voltage more accurate;
The second, the front and back input end of voltage stabilizing chip module is equipped with MOS switch, before MOS switch, be equipped with AD sampled point, whether one-chip computer module can normally work by AD sampled point testing circuit, whether electric current and voltage is normal, ensure the safety of circuit, go wrong simultaneously and can report to the police in time, reminding user;
Three, the present invention is arranged at this power control circuit in T/R assembly debugging instrument, for T/R assembly debugging instrument provides internal electric source, is not only more conducive to the test of T/R assembly, has also reduced the complicated processes of T/R module testing simultaneously.
Brief description of the drawings
Fig. 1, electrical block diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
The present invention discloses a kind of TR assembly debugging instrument power control circuit, as shown in Figure 1, comprise that AD turns DC module, a MOS switch, voltage stabilizing chip module, the 2nd MOS switch, the 3rd MOS switch, the 4th MOS switch, one-chip computer module, DA control, the machine button, power amplifier button and assembly button.
Wherein, the one MOS switch connects respectively AD and turns the output terminal of DC module and the input end of voltage stabilizing chip module, the input end that AD turns DC module is connected with external power supply, external power supply is the AC power of 220V, the output of voltage stabilizing chip module You San road, three tunnel outputs connect respectively the 2nd MOS switch one end, one end of one end of the 3rd MOS switch and the 4th MOS switch, the other end of described the 2nd MOS switch is connected with power amplifier button, the other end of the other end of described the 3rd MOS switch and described the 4th MOS switch is all connected with assembly button, one-chip computer module is connected with assembly button with power amplifier button respectively by the machine button, AD turns between DC module and a MOS switch and is provided with an AD sampled point, between voltage stabilizing chip module and the 2nd MOS switch, be provided with the 2nd AD sampled point, between voltage stabilizing chip module and the 3rd MOS switch, be provided with the 3rd AD sampled point, between voltage stabilizing chip module and the 4th MOS switch, be provided with the 4th AD sampled point, one-chip computer module is controlled with voltage stabilizing chip module and is connected by DA, the one AD sampled point, the 2nd AD sampled point, the 3rd sampled point is all connected with one-chip computer module with the 4th sampled point.
The one AD sampled point, the 2nd AD sampled point, the 3rd AD sampled point and the 4th sample point are equipped with the power resistor of connecting into circuit, the resistance of the pre-stored power resistor of one-chip computer module, by gathering the current value of an AD sampled point, the 2nd AD sampled point, the 3rd AD sampled point and the 4th sampled point, calculate the magnitude of voltage of corresponding sampled point, thereby electric current and voltage to this sampled point detect, check that at any time whether circuit normally works, to pinpoint the problems in time, reports to the police.
Control method:
AD turns the DC module energising source voltage that one-chip computer module turns DC module output terminal by an AD sampled point to AC afterwards and detects, and judge that AC turns the source voltage value of DC module output terminal, guarantee that AC turns DC module and normally works, prevent that AC from turning DC module and breaking down, cause the excessive instrument that burns of source voltage, when source voltage value exceeds error range, one-chip computer module sends alerting signal, prompting subscriber's line circuit breaks down, cannot normally use, the one not conducting of MOS switch, the transmission of blocking-up abnormal voltage, power control circuit Non voltage output, holding circuit safety, source voltage value is positioned at error range, the one MOS switch conduction, source voltage input voltage stabilizing chip module carries out voltage division processing,
The reference voltage of one-chip computer module in controlling by DA controlled voltage stabilizing chip module, thereby output required voltage, after controlling by DA, the dividing potential drop that voltage stabilizing chip module produces is difficult for producing large error, can not cause the phenomenon of under-voltage or overvoltage to circuit, not only be conducive to the test of T/R assembly, the simultaneously also effective safety of holding circuit, voltage stabilizing chip module is exported three road voltages, one-chip computer module is by the 2nd AD sampled point, the 3rd AD sampled point and the 4th AD sampled point are sampled to voltage stabilizing chip module San road output voltage respectively, sampling after and standard value compare judgement, if sampled value is in error range, the MOS switch corresponding with this sampled value carries out conducting and carries out Voltage-output, if this sampled value exceeds error range, the not conducting of MOS switch that this is corresponding, power control circuit Non voltage output, effectively protect the safety of output voltage interface end T/R assembly to be tested, the 2nd AD sampled point, the sampling numerical value of the 3rd AD sampled point and the 4th AD sampled point is all in error range, the 2nd MOS switch, the 3rd MOS switch, the equal conducting of the 4th MOS switch is also exported corresponding voltage,
After the magnitude of voltage that one-chip computer module detects each sampled point is all normal, one-chip computer module is to the machine button, assembly button and power amplifier button send enable signal, user presses after the machine button, Voltage-output is to assembly button end and power amplifier button end, user presses after power amplifier button, the voltage of the 2nd MOS switch output is through the output of power amplifier button, user presses after assembly button, the voltage of the voltage of the 3rd MOS switch output and the output of the 4th MOS switch is through the output of assembly button, in Voltage-output process, once the magnitude of voltage of certain sampled point occurs abnormal, one-chip computer module sends alerting signal, and cut off Voltage-output.
In the present invention, even if it is normal that one-chip computer module records the value of Ge road voltage and current, the needed voltage of T/R module testing also cannot directly be added on T/R assembly, need to just can test by protection layer by layer, the machine button just can be pressed in the normal situation of whole T/R assembly debugging instrument, illustrate that T/R assembly debugging instrument is in normal operating conditions, the machine button is pressed could be effectively, T/R assembly is in the time of test, component voltage and power amplifier voltage have certain order in the time powering up, once powering order mistake, easily burn T/R assembly or cause unnecessary damage, so add electric control by assembly button and power amplifier button for T/R assembly.
As further prioritization scheme of the present invention, the 2nd MOS switch, the 3rd MOS switch and the 4th MOS output switching terminal are equipped with direct earth capacitance, in active circuit, in direct current signal, tend to be mingled with some alternating components, on waveform, just show as noise, if ripple is excessive in DC voltage, instrument just there will be error in the time of test, if exceeding certain scope, ripple not only cause the accuracy of test greatly to reduce, and easily device to be tested is caused to certain damage, use direct earth capacitance, the ripple that effectively filtering affects greatly circuit, not only be conducive to the stability of test, the noise that other can not filtering is introduced in the test that can be not also simultaneously T/R assembly by DC voltage, thereby affect the quality of T/R test.
As further prioritization scheme of the present invention, the voltage stabilizing chip model that described voltage stabilizing chip module adopts is LT1963, adopts voltage stabilizing chip not only can obtain stable voltage, but also can reduce the power consumption of whole circuit, and can boost, and can temperature flow; Adopt voltage stabilizing chip can reduce heating, the volume of voltage stabilizing chip is little, lightweight, can reduce the volume of whole circuit, be conducive to integrated, the realization of miniaturization.
In existing T/R assembly debugging instrument, do not add power module, cannot provide voltage for T/R assembly by itself, and voltage source that need to be extra, not only easily cause the loaded down with trivial details of test process, and the difficult investigation that goes wrong, the T/R assembly debugging instrument power control circuit of the present invention's design, not only can be effectively for the test of T/R assembly provides reliable power supply, also avoided in test because the problem that power supply occurs simultaneously.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken possessing those of ordinary skill in the art, can also under the prerequisite that does not depart from aim of the present invention, makes a variety of changes.
Above embodiment only, for explanation technological thought of the present invention, can not limit protection scope of the present invention with this.Every technological thought proposing according to the present invention, and any change of doing on technical scheme basis, within all falling into protection domain of the present invention.
Claims (4)
1. a TR assembly debugging instrument power control circuit, it is characterized in that: comprise that AD turns DC module, the one MOS switch, voltage stabilizing chip module, the 2nd MOS switch, the 3rd MOS switch, the 4th MOS switch, one-chip computer module, DA controls, the machine button, power amplifier button and assembly button, wherein, the one MOS switch connects respectively AD and turns the output terminal of DC module and the input end of voltage stabilizing chip module, the input end that AD turns DC module is connected with external power supply, the output of voltage stabilizing chip module You San road, three tunnel outputs connect respectively the 2nd MOS switch one end, one end of one end of the 3rd MOS switch and the 4th MOS switch, the other end of described the 2nd MOS switch is connected with power amplifier button, the other end of the other end of described the 3rd MOS switch and described the 4th MOS switch is all connected with assembly button, one-chip computer module is connected with assembly button with power amplifier button respectively by the machine button, AD turns between DC module and a MOS switch and is provided with an AD sampled point, between voltage stabilizing chip module and the 2nd MOS switch, be provided with the 2nd AD sampled point, between voltage stabilizing chip module and the 3rd MOS switch, be provided with the 3rd AD sampled point, between voltage stabilizing chip module and the 4th MOS switch, be provided with the 4th AD sampled point, one-chip computer module is controlled with voltage stabilizing chip module and is connected by DA, the one AD sampled point, the 2nd AD sampled point, the 3rd sampled point is all connected with one-chip computer module with the 4th sampled point,
AD turns the DC module energising source voltage that one-chip computer module turns DC module output terminal by an AD sampled point to AC afterwards and detects, and judge that AC turns the source voltage value of DC module output terminal, when source voltage value exceeds error range, one-chip computer module sends alerting signal, the one not conducting of MOS switch, power control circuit Non voltage output, source voltage value is positioned at error range, the one MOS switch conduction, source voltage input voltage stabilizing chip module;
The reference voltage of one-chip computer module in controlling by DA controlled voltage stabilizing chip module, thereby output required voltage, voltage stabilizing chip module is exported three road voltages, one-chip computer module is by the 2nd AD sampled point, the 3rd AD sampled point and the 4th AD sampled point are sampled to voltage stabilizing chip module San road output voltage respectively, sampling after and standard value compare judgement, if sampled value is in error range, the MOS switch corresponding with this sampled value carries out conducting, if this sampled value exceeds error range, the not conducting of MOS switch that this is corresponding, power control circuit Non voltage output, the 2nd AD sampled point, the numerical value of the 3rd AD sampled point and the 4th AD sampled point is all in error range, the 2nd MOS switch, the 3rd MOS switch, the equal conducting of the 4th MOS switch is also exported corresponding voltage,
After the magnitude of voltage that one-chip computer module detects each sampled point is all normal, one-chip computer module sends enable signal to the machine button, assembly button and power amplifier button, the voltage of the 2nd MOS switch output is through the output of power amplifier button, the voltage of the voltage of the 3rd MOS switch output and the output of the 4th MOS switch is through the output of assembly button, in Voltage-output process, once the magnitude of voltage of certain sampled point occurs abnormal, one-chip computer module sends alerting signal, and cuts off Voltage-output.
2. a kind of TR assembly debugging instrument power control circuit as claimed in claim 1, it is characterized in that: described an AD sampled point, the 2nd AD sampled point, the 3rd AD sampled point and the 4th AD sample point are equipped with power resistor, one-chip computer module calculates the magnitude of voltage of this sampled point after the circuit at this place is sampled.
3. a kind of TR assembly debugging instrument power control circuit as claimed in claim 1, is characterized in that: the 2nd MOS switch, the 3rd MOS switch and the 4th MOS output switching terminal are equipped with direct earth capacitance.
4. a kind of TR assembly debugging instrument power control circuit as claimed in claim 1, is characterized in that: the voltage stabilizing chip model that described voltage stabilizing chip module adopts is LT1963.
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| CN201410210441.4A CN103970174B (en) | 2014-05-19 | 2014-05-19 | A kind of TR assembly debugging instrument power control circuit |
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| CN201410210441.4A CN103970174B (en) | 2014-05-19 | 2014-05-19 | A kind of TR assembly debugging instrument power control circuit |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0755918A (en) * | 1993-06-30 | 1995-03-03 | Mitsubishi Electric Corp | Search and rescue radar transponder |
| CN101852853A (en) * | 2010-01-26 | 2010-10-06 | 北京科技大学 | Wireless network ranging system based on solar power supply |
| CN203191546U (en) * | 2013-04-24 | 2013-09-11 | 桂林电子科技大学 | Measuring device for transmitting signal of TVLF water penetrating radar transmitter |
| US8552902B2 (en) * | 2011-05-04 | 2013-10-08 | Sabertek | Methods and apparatus for suppression of low-frequency noise and drift in wireless sensors or receivers |
| CN103592633A (en) * | 2013-11-20 | 2014-02-19 | 中国船舶重工集团公司第七二四研究所 | S-wave-band miniaturization digital T/R assembly design method |
-
2014
- 2014-05-19 CN CN201410210441.4A patent/CN103970174B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0755918A (en) * | 1993-06-30 | 1995-03-03 | Mitsubishi Electric Corp | Search and rescue radar transponder |
| CN101852853A (en) * | 2010-01-26 | 2010-10-06 | 北京科技大学 | Wireless network ranging system based on solar power supply |
| US8552902B2 (en) * | 2011-05-04 | 2013-10-08 | Sabertek | Methods and apparatus for suppression of low-frequency noise and drift in wireless sensors or receivers |
| CN203191546U (en) * | 2013-04-24 | 2013-09-11 | 桂林电子科技大学 | Measuring device for transmitting signal of TVLF water penetrating radar transmitter |
| CN103592633A (en) * | 2013-11-20 | 2014-02-19 | 中国船舶重工集团公司第七二四研究所 | S-wave-band miniaturization digital T/R assembly design method |
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