CN104932299A - Power supply protective device and method in T/R assembly test - Google Patents
Power supply protective device and method in T/R assembly test Download PDFInfo
- Publication number
- CN104932299A CN104932299A CN201510213684.8A CN201510213684A CN104932299A CN 104932299 A CN104932299 A CN 104932299A CN 201510213684 A CN201510213684 A CN 201510213684A CN 104932299 A CN104932299 A CN 104932299A
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- supply
- positive supply
- power
- positive
- control signal
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention provides a power supply protective device in T/R assembly test. The output of a pre-stage power supply is used as a power-on control signal of a rear-stage power supply; a control signal required by a positive power 1 is generated by employing an amplitude limiting integration amplifying circuit, and is from a negative power. A control signal required by a positive power 2 is generated by employing a proportion amplification circuit, and is from the negative power and the positive power 1, thereby realizing outputting according the sequence of the negative power, the positive power 1 and the positive power 2, and orderly regulating an outage sequence in the case of abnormity. The power supply protective device in T/R assembly test is realized by employing a hardware mode, has high instantaneity, does not depend on external control, and can automatically deal with problems in dependence on power supply working conditions.
Description
Technical field
The present invention relates to technical field of measurement and test, particularly apparatus for protecting power supply in a kind of T/R module testing, also relates to a kind of power protection method in T/R module testing.
Background technology
In T/R module testing process, the order exported power supply and disconnect has clearly and the requirement of harshness, therefore, guarantee to power on/order of power-off is correct, and in abnormal cases, as a certain road power failure, in real time and carry out power-off in order, thus the safety of tested T/R assembly can be guaranteed.
In T/R test process, primary problem is exactly the safety ensureing measured piece, and this tests the precondition that can carry out.For T/R assembly, general 3 road power supplys can meet testing requirement, and wherein have a road negative supply.Due to reasons such as its transmission channel power amplifier normally work, it powers up must according to first bearing rear positive order, i.e. negative supply, positive supply 1, positive supply 2; Power-off then need according to first negative just afterwards order, i.e. positive supply 2, positive supply 1, negative supply, otherwise T/R assembly just likely damages in a short period of time.In view of the importance of power supply electrifying/power-off and once there is the seriousness of unnatural effects, conditioning and the protective device of power supply electrifying/down sequences must be had in T/R module testing process.
The general software approach that adopts solves the problems referred to above at present.After T/R module test program starts, first control power supply and power in order, between each road power supply, certain time delay can be set.Power on and successfully just open test thread and monitoring thread, test thread completes the properties functional test of T/R assembly, and monitoring thread then monitors the voltage and current of each road power supply.Under normal circumstances FEFO is tested thread, complete after the operation such as test data preservation the power-off of T/R component priority order.Otherwise, then first powered-down in order, then carry out the operations such as test data preservation.
After test procedure main thread is opened, control three-way power and export according to order time delay.Power on successfully and thread lock and overall identification variable are set in main thread, ensure that control instrument handle can not be taken by two threads simultaneously, thus avoid the competition to same testing tool and conflict.Use timed sequence power-on monitoring thread, monitor the output of each power supply in turn.In monitoring thread, first judge whether global variable is reset, if be reset, illustrate that current power module is not controlled, power supply can be gathered and export data, now obtain thread lock, set overall identification variable, to ensure that current monitor power supply can not be obtained control by other thread (mainly referring to test thread), avoids contention for resources.Discharge thread lock after one round monitoring normal termination, terminate monitoring thread, finally reset global variable.
If find power supply output abnormality in monitor procedure, first obtain the control handle of positive supply 2, close this power supply and export, then close positive supply 1 and negative supply successively with same step.
Prior art is generally the voltage and current being controlled and monitor each road power supply by software mode, thus carries out corresponding protection act.The real-time of software mode is slightly poor, and depends on the communication between computing machine and power supply, once communication disruption in test process, corresponding monitoring and protective effect will not known where to begin.
Summary of the invention
The invention provides a kind of apparatus for protecting power supply and method in T/R module testing, solve the conditioning of power supply electrifying order and the problem of abnormal power-down protection.
Technical scheme of the present invention is achieved in that
Apparatus for protecting power supply in a kind of T/R module testing, the output of front level power supply is as the control signal of rear class power supply electrifying; Control signal needed for positive supply 1 adopts clipped integral amplifying circuit to produce, and control signal derives from negative supply; Control signal adoption rate amplifying circuit needed for positive supply 2 produces, and control signal derives from negative supply and positive supply 1.
When powering on, first negative supply through mu balanced circuit conditioning, also exports measured piece to while entering corresponding control circuit; Negative supply becomes the input signal of control circuit 10 after clipped integral amplifying circuit, then produces the switch controlling signal of relay 100 through control circuit 10, and the positive supply 1 now having inputed to relay 100 input end can export; Under the acting in conjunction of negative supply and positive supply 1, scaling circuit produces the input signal of control circuit 20, then produces the switch controlling signal of relay 200 through control circuit 20, and now positive supply 2 just can input in T/R assembly.
Positive supply 1 fault, control circuit 20 produces the control signal of closed relay 200, realizes positive supply 2 and turns off.
Negative supply fault, utilizes the time-lag action of clipped integral amplifying circuit, and the control circuit 200 of positive supply 2 does not have delay effect, and positive supply 1 and/or negative supply disappear then positive supply 2 power-off immediately.
Positive supply 2 breaks down, because can not have influence on the safety of tested T/R assembly, therefore with manual or program mode (PM) power cutoff.
Based on apparatus for protecting power supply in above-mentioned T/R module testing; present invention also offers a kind of power protection method in T/R module testing; using the control signal of the output of front level power supply as rear class power supply electrifying; control signal needed for positive supply 1 adopts clipped integral amplifying circuit to produce; control signal adoption rate amplifying circuit needed for positive supply 2 produces, and control signal derives from negative supply and positive supply 1.
When powering on, first negative supply through mu balanced circuit conditioning, also exports measured piece to while entering control circuit; Negative supply becomes the input signal of control circuit 10 after clipped integral amplifying circuit, then produces the switch controlling signal of relay 100 through control circuit 10, and the positive supply 1 now having inputed to relay 100 input end can export; Under the acting in conjunction of negative supply and positive supply 1, scaling circuit produces the input signal of control circuit 20, then produces the switch controlling signal of relay 200 through control circuit 20, and now positive supply 2 just can input in T/R assembly.
Positive supply 1 fault, control circuit 20 produces the control signal of closed relay 200, realizes positive supply 2 and turns off.
Negative supply fault, the capacitor charge and discharge in the clipped integral amplifying circuit of positive supply (1) needs the regular hour, the therefore change of control signal late negative power supply in time that produces of control circuit 10.And the scaling circuit of positive supply (2) does not have capacitor element, there is no delay effect, then positive supply 2 power-off immediately as long as positive supply 1 and/or negative supply disappear, thus achieve the order power-off according to positive supply (2), positive supply (1).
Positive supply 2 breaks down, because can not have influence on the safety of tested T/R assembly, therefore with manual or program mode (PM) power cutoff.
The invention has the beneficial effects as follows:
(1) achieve the conditioning of multiple power supplies electric sequence, guarantee to power on according to required order;
(2) when power failure, do not need extraneous other power supply that controls can order power-off as requested.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the control block diagram of apparatus for protecting power supply in a kind of T/R module testing of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The real-time of software mode is slightly poor, and depends on the communication between computing machine and power supply, once communication disruption in test process, corresponding monitoring and protective effect will be lost efficacy.The present invention proposes apparatus for protecting power supply in a kind of T/R module testing, adopt hardware mode to realize, real-time and reliability are largely increased.
As shown in Figure 1, apparatus for protecting power supply in T/R module testing of the present invention, the output of front level power supply as the control signal of rear class power supply electrifying, thus is guaranteed to power on according to required order; Control signal needed for positive supply 1 derives from negative supply, and adopts clipped integral amplifying circuit to produce, and positive supply 1 postpones power-off when negative supply power-off to utilize its delay effect ensure that; Control signal adoption rate amplifying circuit needed for positive supply 2 produces, and control signal derives from negative supply and positive supply 1, so both ensure that positive supply 2 finally exports, and when in turn ensure that negative supply disconnects, positive supply 2 first disconnects than positive supply 1.
When powering on, first negative supply through mu balanced circuit conditioning, also exports measured piece to, so also can prevent the too high damage brought to measured piece of negative supply while entering relevant control circuit.Negative supply becomes the input signal of control circuit 10 after clipped integral amplifies, then produces the switch controlling signal of relay 100 through control circuit 10, and the positive supply 1 now having inputed to relay 100 input end can export; And the scaling circuit under the acting in conjunction of negative supply and positive supply 1 produces the input signal of control circuit 20, then produce the switch controlling signal of relay 200 through control circuit 20, now positive supply 2 just can input in T/R assembly.This completes level power supply after prime Energy control to export, the function not having front level power supply just not have rear level power supply to export, thus achieve the sequence power-on of negative supply, positive supply 1 and positive supply 2.
And in abnormal cases, as positive supply 1 fault, control circuit 20 will produce the control signal of closed relay 200, ensure that realizing positive supply 2 turns off; And for example negative supply fault, in this case, positive supply 2 first should turn off output early than positive supply 1.Present invention utilizes the time-lag action of clipped integral amplifying circuit, the control circuit 20 of positive supply 2 does not then have delay effect, as long as positive supply 1 and any road of negative supply disappear, positive supply 2 is just by power-off immediately, therefore, positive supply 1 will be later than positive supply 2 and disappear, thus meet the requirement that positive supply 2 should first turn off; If positive supply 2 breaks down, then can not affect the safety of tested T/R assembly, as long as monitor this road power failure in test procedure, manual or program mode (PM) power cutoff.In a word, the function of above-mentioned hardware circuit is by the Supply Security of T/R assembly under guarantee abnormal conditions.
Apparatus for protecting power supply in T/R module testing of the present invention, adopts hardware mode to realize, and real-time is stronger, and does not rely on extraneous control, automatically can process according to power work situation.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an apparatus for protecting power supply in T/R module testing, is characterized in that, the output of front level power supply is as the control signal of rear class power supply electrifying; Control signal needed for positive supply (1) adopts clipped integral amplifying circuit to produce, and control signal derives from negative supply; Control signal adoption rate amplifying circuit needed for positive supply (2) produces, and control signal derives from negative supply and positive supply (1).
2. apparatus for protecting power supply in T/R module testing as claimed in claim 1, is characterized in that, when powering on, first negative supply through mu balanced circuit conditioning, also exports measured piece to while entering corresponding control circuit; Negative supply becomes the input signal of control circuit (10) after clipped integral amplifying circuit, produce the switch controlling signal of relay (100) again through control circuit (10), the positive supply (1) now having inputed to relay (100) input end can export; Under the acting in conjunction of negative supply and positive supply (1), scaling circuit produces the input signal of control circuit (20), produce the switch controlling signal of relay (200) again through control circuit (20), now positive supply (2) just can input in T/R assembly.
3. apparatus for protecting power supply in T/R module testing as claimed in claim 1; it is characterized in that; positive supply (1) fault, control circuit (20) produces the control signal of closed relay (200), realizes positive supply (2) and turns off.
4. apparatus for protecting power supply in T/R module testing as claimed in claim 1; it is characterized in that; negative supply fault; utilize the time-lag action of clipped integral amplifying circuit; the control circuit (200) of positive supply (2) does not have delay effect, and positive supply (1) and/or negative supply disappear then positive supply (2) power-off immediately.
5. apparatus for protecting power supply in T/R module testing as claimed in claim 1, it is characterized in that, positive supply (2) breaks down, manual or program mode (PM) power cutoff.
6. power protection method in a T/R module testing, it is characterized in that, using the control signal of the output of front level power supply as rear class power supply electrifying, the control signal needed for positive supply (1) adopts clipped integral amplifying circuit to produce, and control signal derives from negative supply; Control signal adoption rate amplifying circuit needed for positive supply (2) produces, and control signal derives from negative supply and positive supply (1).
7. power protection method in T/R module testing as claimed in claim 6, is characterized in that, when powering on, first negative supply through mu balanced circuit conditioning, also exports measured piece to while entering control circuit; Negative supply becomes the input signal of control circuit (10) after clipped integral amplifying circuit, produce the switch controlling signal of relay (100) again through control circuit (10), the positive supply (1) now having inputed to relay (100) input end can export; Under the acting in conjunction of negative supply and positive supply (1), scaling circuit produces the input signal of control circuit (20), produce the switch controlling signal of relay (200) again through control circuit (20), now positive supply (2) just can input in T/R assembly.
8. power protection method in T/R module testing as claimed in claim 6; it is characterized in that; positive supply (1) fault, control circuit (20) produces the control signal of closed relay (200), realizes positive supply (2) and turns off.
9. power protection method in T/R module testing as claimed in claim 6; it is characterized in that; negative supply fault; due to the time-lag action of clipped integral amplifying circuit; positive supply (1) the output shut-in time will be later than positive supply (2); achieve the order power-off according to positive supply (2), positive supply (1), then positive supply (2) power-off immediately as long as positive supply (1) and/or negative supply disappear.
10. power protection method in T/R module testing as claimed in claim 6, it is characterized in that, positive supply (2) breaks down, manual or program mode (PM) power cutoff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510213684.8A CN104932299B (en) | 2015-04-23 | 2015-04-23 | Apparatus for protecting power supply and method in a kind of T/R module testings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510213684.8A CN104932299B (en) | 2015-04-23 | 2015-04-23 | Apparatus for protecting power supply and method in a kind of T/R module testings |
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| Publication Number | Publication Date |
|---|---|
| CN104932299A true CN104932299A (en) | 2015-09-23 |
| CN104932299B CN104932299B (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510213684.8A Active CN104932299B (en) | 2015-04-23 | 2015-04-23 | Apparatus for protecting power supply and method in a kind of T/R module testings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449915A (en) * | 2018-11-06 | 2019-03-08 | 上海航天电子通讯设备研究所 | Circuit is protected in built-in miniaturization suitable for the power-up out of order of TR component |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001086635A (en) * | 1999-09-14 | 2001-03-30 | Nippon Avionics Co Ltd | Power circuit |
| CN1753268A (en) * | 2004-09-23 | 2006-03-29 | 新巨企业股份有限公司 | Control circuit of electric power output mode and its control method |
| US20090040672A1 (en) * | 2007-08-10 | 2009-02-12 | Canon Kabushiki Kaisha | Power supply control system |
| CN103983955A (en) * | 2014-05-15 | 2014-08-13 | 中国电子科技集团公司第四十一研究所 | Power monitoring method in receiving and transmitting module test |
| CN203951189U (en) * | 2014-06-16 | 2014-11-19 | 安徽华东光电技术研究所 | A kind of negative control positive supply protective circuit |
-
2015
- 2015-04-23 CN CN201510213684.8A patent/CN104932299B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001086635A (en) * | 1999-09-14 | 2001-03-30 | Nippon Avionics Co Ltd | Power circuit |
| CN1753268A (en) * | 2004-09-23 | 2006-03-29 | 新巨企业股份有限公司 | Control circuit of electric power output mode and its control method |
| US20090040672A1 (en) * | 2007-08-10 | 2009-02-12 | Canon Kabushiki Kaisha | Power supply control system |
| CN103983955A (en) * | 2014-05-15 | 2014-08-13 | 中国电子科技集团公司第四十一研究所 | Power monitoring method in receiving and transmitting module test |
| CN203951189U (en) * | 2014-06-16 | 2014-11-19 | 安徽华东光电技术研究所 | A kind of negative control positive supply protective circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449915A (en) * | 2018-11-06 | 2019-03-08 | 上海航天电子通讯设备研究所 | Circuit is protected in built-in miniaturization suitable for the power-up out of order of TR component |
| CN109449915B (en) * | 2018-11-06 | 2019-12-03 | 上海航天电子通讯设备研究所 | Circuit is protected in built-in miniaturization suitable for the power-up out of order of TR component |
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| Publication number | Publication date |
|---|---|
| CN104932299B (en) | 2018-10-12 |
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