CN102591324A - Combined control unit detector - Google Patents
Combined control unit detector Download PDFInfo
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- CN102591324A CN102591324A CN2012100144441A CN201210014444A CN102591324A CN 102591324 A CN102591324 A CN 102591324A CN 2012100144441 A CN2012100144441 A CN 2012100144441A CN 201210014444 A CN201210014444 A CN 201210014444A CN 102591324 A CN102591324 A CN 102591324A
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Abstract
The invention relates to a combined control unit detector, belonging to the field of fault detection. The combined control unit detector mainly comprises a control display module, a power supply module, a signal conditioning module, a passive detection module, a detection module, a signal control switching module, a calibrating module and a core control module. The connection relation is as follows: the power supply module is connected with the core control module; the signal conditioning module, the passive detection module, the detection module, the signal control switching module and the calibrating module are connected in parallel and then are connected with the core control module; the core control module is connected with the control display module; and all the modules are integrated in a chassis to form a portable box type structure. The detector disclosed by the invention has the characteristics of convenience for carrying, simplicity in operation, safety and reliability for use, accuracy in testing, convenience for calibration and the like; and under the condition of not opening a combined control unit, faults can be positioned on a specific inner combined control unit.
Description
Technical field
The present invention relates to a kind of group control unit detector, belong to the fault detect field.
Background technology
Group control unit is to accomplish between missile equipment on the explosion thing and explosion thing and aircraft are sent out logic and the important electronic unit of sequential control function between the control system.Group control unit is one of explosion thing afterbody instrument room parts; These parts start the control of its input program of energy participation on the explosion thing; Coordination robot pilot, target seeker are worked in order, realize connecting control system, connect the target seeker power supply; Guarantee each parts operate as normal of explosion thing, finally make the hit of explosion thing.
Group control unit is mainly by forming for the main functions modular unit with the relay; Can simulate group control unit electric crosslinked in this explosion thing; Simulated aircraft sends corresponding control signal, through the relay adhesive and break off accomplish between aircraft and missile equipment with the explosion thing on the switching of signal.The fault of relay comprises that coil opens circuit and short circuit; Contact adhesive fault and contact adhesion fault; The fly-wheel diode that relay links to each other exists breakdown fault and open failure etc.
In prior art, the detection of group control unit is usually through realizing that manually need by the real work logic, the Loading Control signal according to the return signal of group control unit, carries out subsequent control again.Whole testing process complex operation, efficient is low.If localization of fault in the components and parts level, generally need open shell and detect.Based on above reason, development and Design novel combination control module detector, realize automatically detecting, testing result can be directly with localization of fault on the concrete components and parts of internal control circuit.
Summary of the invention
The objective of the invention is efficient and localization of fault accuracy, thereby proposed a kind of group control unit detector in order to improve maintenance.
The objective of the invention is to realize through following technical proposals
A kind of group control unit detector of the present invention, it mainly comprises: control display module, power module, signal condition module, passive detection module, detection module, signal controlling handover module, demarcating module and core control circuit.
Its annexation is: power module is connected with core control circuit; Be connected with core control circuit after signal condition module, passive detection module, detection module, signal controlling handover module, the demarcating module parallel connection; Core control circuit is connected with the control display module; And above-mentioned module all is integrated in the cabinet forms the portable box-type structure; Through being solidificated in the orderly work of the special software realization hardware module in the core control circuit module CPU, the common automatic detection of accomplishing group control unit.
Wherein, core control circuit is used to realize the orderly work of hardware module, the common automatic detection of accomplishing group control unit.
Power module is made up of power supply module and holding circuit thereof.This module is that group control unit and testing circuit thereof provide direct supply, can program controlly be switched on or switched off through computer control.When short trouble appears in the group control unit internal circuit, can cause supply current moment excessive, holding circuit will in time be moved and cut off the electricity supply, and prevents that power supply module from damaging.
The function of signal condition module is to convert the group control unit input/output signal to single-chip microcomputer receptible scope.The signal condition modular circuit adopts the mode of electric resistance partial pressure to design.
The passive detection module is made up of relay and peripheral sample circuit, powers up and signal sampling through the respective nodes to group control unit inside, the trouble spot on can locating circuit board.When the some loops in the group control unit were detected, the single-chip microcomputer in the group control unit detector utilized relay to realize this circuit controls is inserted test voltage, gathered the magnitude of voltage of sample point simultaneously through single-chip microcomputer.When the magnitude of voltage through over-sampling is judged by the single-chip microcomputer collection whether this loop is normal.
Detection module is at first control signal switching controls module action of single-chip microcomputer; After the some control loops in the group control unit are connected; Connect input signal for this loop by single-chip microcomputer; It exports signal to single-chip microcomputer through the signal condition module samples then, handles through single-chip microcomputer, thereby judges whether this loop works is normal.
The signal controlling handover module mainly is used for the different contact elements of two electric connectors of program control connection group control unit, to realize the automatic detection of different control loops.Circuit adopts the relay assembly mode to realize.The signal controlling handover module adds different control loops according to test request with input signal with corresponding software, realizes the detection to group control unit.In difference constantly, two different contact elements of program control connection, single-chip microcomputer is adopted back data, judges that output is whether in the scope of stipulating.If detect normally, then carry out next step detection, otherwise stop automatically detecting, avoid under the out of order situation of group control unit causing its internal electronic component to damage to its energising.
The function of demarcating module is through demarcating button; The signal of Single-chip Controlling passive detection module and detection module is shown to from the demarcation electric connector output on the control panel adds on the oscillograph, thereby judge whether the group control unit detector can accomplish measuring ability.
Its course of work is: the group control unit detector carries out electric the connection through test cable with tested group control unit.Through toggle switch input self check, detection or the demarcation instruction on the control display module, product is carried out corresponding test, test result is through the corresponding pilot lamp demonstration on the control panel.
Beneficial effect
1, this group control unit detector has easy to carry, simple to operate, safe and reliable, test accurately, characteristics such as convenient demarcation, and under the situation of not opening the group control unit housing, can be on the concrete components and parts in inside with localization of fault.Strengthened basic unit of the army maintenance support of this explosion thing.
2, this group control unit detector both can be used for the production run maintenance and debugging, also can be provided to army, was used for internal field debugging maintenance, can also should series projects combo control module component-level detect as follow-up other
3, this group control unit detector utilization adopts two CPU to jointly control with computer controlled Automatic Measurement Technique and the fault-tolerant design that is made as core, and antijamming capability is strong, and test period is short, and localization of fault is accurate, has current limliting, voltage-limiting protection function.
Description of drawings
Fig. 1 is a group control unit detector composition frame chart;
Fig. 2 is a group control unit detector software block diagram.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Embodiment
A kind of group control unit detector of the present invention, it mainly comprises: control display module, power module, signal condition module, passive detection module, detection module, signal controlling handover module, demarcating module and core control circuit, as shown in Figure 1.
Its annexation is: power module is connected with core control circuit; Be connected with core control circuit after signal condition module, passive detection module, detection module, signal controlling handover module, the demarcating module parallel connection; Core control circuit is connected with the control display module; The external oscillograph of demarcating module; Through being solidificated in the orderly work of the special software realization hardware module in the core control circuit module CPU, the common automatic detection of accomplishing group control unit.This group control unit detector utilization adopts two CPU to jointly control with computer controlled Automatic Measurement Technique and the fault-tolerant design that is made as core.This group control unit detector adopts the AC220V power supply simultaneously.
Wherein, the control chip of core control circuit adopts the high-speed microprocessor ATmega16 of U.S. ATMERL company.This single-chip microcomputer has following characteristics:
1) the AVR kernel of the advanced risc architecture of employing;
2) sheet contains larger capacity, non-volatile program and data-carrier store;
3) sheet includes jtag interface;
4) sheet includes 8 tunnel 10 ADC and independently programmable WatchDog Timer;
5) wide voltage, high-speed, low-power consumption.
Power module is made up of power supply module and holding circuit thereof.This module is that group control unit and testing circuit thereof provide 27V direct supply, can program controlly be switched on or switched off through computer control.When short trouble appears in the group control unit internal circuit, can cause supply current moment excessive, holding circuit will in time be moved and cut off the electricity supply, and prevents that power supply module from damaging.
The function of signal condition module is to convert the group control unit input/output signal to the receptible 0V of the inner ADC of ATmega16 single-chip microcomputer～5V scope.Because the group control unit input signal is the 27VDC DC voltage, output signal OV or 27VDC.So the signal condition modular circuit adopts the mode of electric resistance partial pressure to design.
The passive detection module is made up of relay and peripheral sample circuit, powers up and signal sampling through the respective nodes to group control unit inside, the trouble spot on can locating circuit board.When the some loops in the group control unit were detected, the single-chip microcomputer in the group control unit detector utilized relay to realize this circuit controls is inserted test voltage, gathered the magnitude of voltage of sample point simultaneously through single-chip microcomputer.When the magnitude of voltage through over-sampling is judged by the single-chip microcomputer collection whether this loop is normal.
Detection module is at first control signal switching controls module action of single-chip microcomputer; After the some control loops in the group control unit are connected; Connect input signal for this loop by single-chip microcomputer; It exports signal to single-chip microcomputer through the signal condition module samples then, and inner ADC handles through single-chip microcomputer, thereby judges whether this loop works is normal.
The signal controlling handover module mainly is used for the different contact elements of two electric connectors of program control connection group control unit, to realize the automatic detection of different control loops.Circuit adopts the relay assembly mode to realize.The signal controlling handover module adds different control loops according to test request with input signal with corresponding software, realizes the detection to group control unit.In difference constantly, two different contact elements of program control connection, single-chip microcomputer is adopted back data, judges that output is whether in the scope of stipulating.If detect normally, then carry out next step detection, otherwise stop automatically detecting, avoid under the out of order situation of group control unit causing its internal electronic component to damage to its energising.
The function of demarcating module is through demarcating button; The signal of Single-chip Controlling passive detection module and detection module is shown to from the demarcation electric connector output on the control panel adds on the oscillograph, thereby judge whether the group control unit detector can accomplish measuring ability.
Group control unit detector software comprises core control circuit, self-check program module, trace routine module and calibrating procedure module, and is as shown in Figure 2.
The software adopted AVR assembly language is write, exploitation under AVR Studio 3.56 applied software development environment, debugging.Running software operating system is the basis with the Windows interface, moves under the software environments such as Windows2000, WindowsXP.
Core control circuit is realized function of initializing, and the whole pilot lamp flickers on the control display module let the operator observe group control unit detector display system and whether are in normal operating conditions.Whether have operational order input, if any operation calls subprograms corresponding functional module if monitoring self-test switch, detector switch and calibration switch then in real time.
The self-check program functions of modules: after the external alternating current 220V AC power supply of group control unit detector, the self-test switch on the group control unit detector control panel is pulled the state to " ON ", rest switch remains on " OFF " state.After the inner single-chip microcomputer scanning of group control unit detector receives self-checking command; Program control connection passive detection 27V power supply; Connect the turbine power supply successively, carry dynamo-electric source, gyro release completion, pilot are ready to, deck store is ready to and passive detection modular circuit such as ignition signal input, gather the feedback signal of each passive detection module simultaneously through I/O, thereby judge each module working condition; If a module operation irregularity is wherein arranged; Single-chip microcomputer is judged as the self check fault, has only all module work all normal, and it is normal that single-chip microcomputer just is judged as self check.Just can be used for the detection of group control unit through the group control unit detector of self check.
Trace routine functions of modules: after the external alternating current 220V AC power supply of group control unit detector, be electrically connected through detection streamer and group control unit.Detector switch on the group control unit detector control panel is pulled the state to " ON ", and rest switch remains on " OFF " state.After the inner single-chip microcomputer scanning of group control unit detector receives and detects instruction; Program control connection detects the 27V power supply; Connect gas ignition, gyro release successively, carry dynamo-electric source, turbine power supply, deck store is ready to and detection module circuit such as target seeker power supply, gather the feedback signal of each detection module simultaneously through I/O, thereby judge each module working condition; If a module operation irregularity is wherein arranged; Single-chip microcomputer is judged as detection failure, has only all module work all normal, and single-chip microcomputer just is judged as and detects normally.
The calibrating procedure functions of modules: normally use for guaranteeing the group control unit detector, the group control unit detector need regularly be demarcated.Timing signal, " ON " state is pulled calibration switch in the external alternating current 220V AC power supply of group control unit detector; Rest switch is at " OFF " state; The group control unit detector is carried out calibrating procedure, presses Fixed Time Interval successively, connects passive detection module and detection module respectively.If these modules all operation are normal, then the normal pilot lamp of self check, the normal pilot lamp of detection (green light) are all lighted on the panel, if there is one or more undesired, then self check malfunction indicator lamp, detection failure pilot lamp (red light) are lighted.When the group control unit detector is carried out calibrating procedure; Through the output of the demarcation socket on the group control unit detector panel with oscillograph monitoring pumping signal; If the pumping signal that oscillograph monitors is consistent with the signal of design; And the normal pilot lamp of self check is all lighted with the normal pilot lamp of detection, explains that the group control unit detector through demarcating, can continue on for group control unit and detect; Detect otherwise can not be used for group control unit, need the group control unit detector is overhauled.
Use a kind of group control unit detector of the present invention and can realize following function:
A) detect the gas ignition control circuit;
B) detect gyro and separate lock control circuit;
C) detect deck store and be ready to control circuit;
D) detect connection control channel control circuit;
E) detect the disconnection gyro and separate lock control circuit;
F) detect target seeker power supply control circuit;
G) when test product breaks down, in time cut off the electricity supply, and provide indicating fault;
H) have self check and calibrating function, guarantee the reliability of using.
The group control unit detector is used for electric component group control unit to afterbody instrument room on the explosion thing to carry out electric function and detects automatically.Under the situation of not opening the group control unit housing, can be on the concrete components and parts in inside with localization of fault.
Claims (3)
1. a group control unit detector is characterized in that: comprise control display module, power module, signal condition module, passive detection module, detection module, signal controlling handover module, demarcating module and core control circuit; Its annexation is: power module is connected with core control circuit; Be connected with core control circuit after signal condition module, passive detection module, detection module, signal controlling handover module, the demarcating module parallel connection; Core control circuit is connected with the control display module; And above-mentioned module all is integrated in the cabinet forms the portable box-type structure.
2. a kind of group control unit detector as claimed in claim 1, it is characterized in that: said power module is made up of power supply module and holding circuit thereof.
3. a kind of group control unit detector as claimed in claim 1 is characterized in that: also comprise oscillograph, said demarcating module is connected with oscillograph.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100144441A CN102591324A (en) | 2012-01-18 | 2012-01-18 | Combined control unit detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100144441A CN102591324A (en) | 2012-01-18 | 2012-01-18 | Combined control unit detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104216393A (en) * | 2013-10-14 | 2014-12-17 | 郑州宇通客车股份有限公司 | ISO (international standards organization) 7637-based method for detecting transient conducting anti-interference performance of electronic control modules |
| CN113340323A (en) * | 2020-11-26 | 2021-09-03 | 国营芜湖机械厂 | Method for rapidly positioning fault of inertial sensor and detection device thereof |
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| CN2069025U (en) * | 1990-03-26 | 1991-01-09 | 成都飞机工业公司 | Electric appliance faulting detector in starting system of plane engine |
| CN102092477A (en) * | 2010-11-30 | 2011-06-15 | 中国民航大学 | Device and method for automatic test and fault diagnosis of plane audio integrated system |
| US20110173499A1 (en) * | 2010-01-08 | 2011-07-14 | Atomic Energy Council-Institute Nuclear Energy Research | System of Testing Engineered Safety Feature Instruments |
| CN102135775A (en) * | 2010-12-28 | 2011-07-27 | 江西洪都航空工业集团有限责任公司 | Test method and tester for electronic skid control box of airplane |
| CN202443330U (en) * | 2012-01-18 | 2012-09-19 | 哈尔滨建成集团有限公司 | Combination control unit detector |
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2012
- 2012-01-18 CN CN2012100144441A patent/CN102591324A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2069025U (en) * | 1990-03-26 | 1991-01-09 | 成都飞机工业公司 | Electric appliance faulting detector in starting system of plane engine |
| US20110173499A1 (en) * | 2010-01-08 | 2011-07-14 | Atomic Energy Council-Institute Nuclear Energy Research | System of Testing Engineered Safety Feature Instruments |
| CN102092477A (en) * | 2010-11-30 | 2011-06-15 | 中国民航大学 | Device and method for automatic test and fault diagnosis of plane audio integrated system |
| CN102135775A (en) * | 2010-12-28 | 2011-07-27 | 江西洪都航空工业集团有限责任公司 | Test method and tester for electronic skid control box of airplane |
| CN202443330U (en) * | 2012-01-18 | 2012-09-19 | 哈尔滨建成集团有限公司 | Combination control unit detector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104216393A (en) * | 2013-10-14 | 2014-12-17 | 郑州宇通客车股份有限公司 | ISO (international standards organization) 7637-based method for detecting transient conducting anti-interference performance of electronic control modules |
| CN104216393B (en) * | 2013-10-14 | 2017-07-28 | 郑州宇通客车股份有限公司 | Electronic control module transient state conduction interference free performance detection method based on IS07637 |
| CN113340323A (en) * | 2020-11-26 | 2021-09-03 | 国营芜湖机械厂 | Method for rapidly positioning fault of inertial sensor and detection device thereof |
| CN113340323B (en) * | 2020-11-26 | 2023-06-02 | 国营芜湖机械厂 | Rapid fault positioning method and detection device for inertial sensor |
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Application publication date: 20120718 |