CN202748431U - Detector for electronic guidance box - Google Patents
Detector for electronic guidance box Download PDFInfo
- Publication number
- CN202748431U CN202748431U CN 201220484708 CN201220484708U CN202748431U CN 202748431 U CN202748431 U CN 202748431U CN 201220484708 CN201220484708 CN 201220484708 CN 201220484708 U CN201220484708 U CN 201220484708U CN 202748431 U CN202748431 U CN 202748431U
- Authority
- CN
- China
- Prior art keywords
- data acquisition
- acquisition module
- electronic guidance
- detector
- electronic box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Test And Diagnosis Of Digital Computers (AREA)
Abstract
The utility model relates to a detector for an electronic guidance box. The technical scheme adopted is as follows: the detector comprises a chassis; a data acquisition module, a signal conditioning module, a control system, an interface adaptation module, a working power pack and a test cable; the electronic guidance box is connected with the data acquisition module via the conditioning module; the data acquisition module is connected with the control system; and one end of the working power pack is connected with the electronic guidance box, and the other end is connected with the data acquisition module via the conditioning module. The detector provides a working environment required by normal working for the electronic guidance box, records each path of output signals of the electronic guidance box, compares the relation with the corresponding input signals outputted by the electronic guidance box, and makes a judgment whether the electronic guidance box works normally according to each given criterion. The detector for the electronic guidance box adopts a modular design, is good in maintainability and operability, and can be used both outside and at labs conveniently.
Description
Technical field
The utility model relates to a kind of detector, is specifically related to a kind of guidance electronic box detector.
Background technology
In maintenance process, need the condition of two aspects: first is testing conditions, is product power supply and incentive condition are provided, and then utilizes the parameters of the testing products such as multimeter or oscillograph; Second is expert's condition, and the expert uses its sturdy knowledge and rich experience that these parameters are analyzed, thus the failure cause of finding.
Mainly be to rely on to detect maintenance of equipment to the maintenance of this guidance electronic box at present, comprehensive not to the detection of product on the one hand, very high to maintenance personal's requirement on the other hand, sometimes have to ask the expert to be in the action and could to solve.
The utility model content
The utility model proposes a kind of guidance electronic box, this detector can provide normal operation required working environment for the guidance electronic box, comprises working power, switch controlling signal, exciting signal source, load unit and parts simulation etc.Each road output signal of electronic box is led in simultaneously record-keeping system, and contrasts the relation that the guidance electronic box is exported corresponding input signal, makes the conclusion whether the guidance electronic box works according to every given criterion.
The utility model is by the following technical solutions: guidance electronic box detector, comprise cabinet, and in cabinet, be provided with data acquisition module, signal condition module, control system, interface adaptation module, working power group and test cable,
The guidance electronic box is connected with data acquisition module by the signal condition module, and data acquisition module is connected with control system, and working power group one end is connected with the guidance electronic box, and the other end is connected with data acquisition module by conditioning module,
Data acquisition module comprises M series multifunctional capture card PCI-6259, two M series data capture card PCI-6220, timing/counter card, digitizer PCI-5102,
The interface adaptive box comprises cable interface and test interface.
Control system comprises computing machine and application program, and control system control PCI integrated circuit board realizes that according to certain sequential power supply output, launch data are exported and the collection of detection signal, automatically finishes detection, storage, analysis and the report generation of all signals.
The signal condition module realize signal isolation, decay, drive, provide fictitious load etc., input adopts differential mode, detected signal at first by after the decay of conditioning plate, enters M series data capture card PCI-6220 again.
M series multifunctional capture card PCI-6259 card is used for gathering percussion current potential U
ST, W
0, W
1, the signal such as self-detection result collection, finish 3 road analog output signals: the generation of rate of pitch Qe, yaw rate Qa and λ and digital signal.System adopts two M series data capture card PCI-6220, gathers differential signal, and a PCI-6220 card is used for gathering 7 waypoint fire and current monitorings, and another piece is used for the collection of working power voltage and other direct current signals.Digitizer PCI-5102 is for detection of the ripple signal of the high speed signals such as PCLK and power supply.Signal arrival measurement constantly adopts same timing/counter as clock in the system, and the time that this timing/counter is read in the signal arrival constantly gets final product.
The interface adaptation module is mainly used to measure, detect the fault of the interface of test macro and system under test (SUT) and detection, positioning testing system self, draws all input/output signals and the test macro external detection interface that comprises system under test (SUT) at the interface adaptive box.The interface adaptive box comprises cable interface, test interface etc.Cable interface with certainly grind the hardware conditioning module and link to each other, from conditioning module, take out all mutual input/output signals of test macro and system under test (SUT), from conditioning module, take out simultaneously the close beta point that test macro keeps, for the user test macro is carried out external detection; Test interface, the detection mouth that namely provides to the user can be connected with the test probe of oscillograph, multimeter and other checkout equipment, is user's external detection interface of providing convenience.
The test cable interface comprises X3～X7 test interface, one of guidance electronic box signaling interface, two self check interfaces.
Preferably, described working power group adopts programmable power supply, because detector provides stabilized voltage supply need to for the guidance electronic box, and in test process, magnitude of voltage need to be adjusted to positively biased magnitude of voltage, negative bias magnitude of voltage from the normal working voltage value.Adopt the programmed direct current switching power supply of customization according to this demand, reliable and stable, control is simple, precision is high.
The programmable power supply output voltage feeds back to the input end of M series integrated circuit board simultaneously, and the A/D capture card by 16-bit gathers Real Time Monitoring program-controlled voltage output situation.
Preferably, interface isolation between this detector and the guidance electronic box is avoided the fault of detector and is damaged guidance electronic box product, and certain signal of avoiding the normal operation of detector to depend on the guidance electronic box triggers.
The beneficial effects of the utility model are: this detector comprises working power, switch controlling signal, exciting signal source, load unit and parts simulation etc. for the guidance electronic box provides normal operation required working environment.Each road output signal of electronic box is led in simultaneously record-keeping system, and contrasts the relation that the guidance electronic box is exported corresponding input signal, makes the conclusion whether the guidance electronic box works according to every given criterion.The utility model adopts modular design, has good maintenanceability, good maintainability and operability are arranged, and except satisfying line using, also can make things convenient for the laboratory to use.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment,
Embodiment
Guidance electronic box detector, comprise cabinet, in cabinet, be provided with data acquisition module, the signal condition module, control system, the interface adaptation module, programmable power supply and test cable, the guidance electronic box is connected with data acquisition module by conditioning module, data acquisition module is connected with control system, working power group one end is connected with the guidance electronic box, the other end is connected with data acquisition module by conditioning module, and data acquisition module comprises M series multifunctional capture card PCI-6259, two M series data capture card PCI-6220, timing/counter card, digitizer PCI-5102.The interface adaptive box comprises cable interface and test interface.
Computing machine becomes the command centre of system with application program, and control PCI integrated circuit board is realized the collection of power supply output, launch data output and detection signal according to certain sequential, automatically finishes detection, storage, analysis and the report generation of all signals.
The signal condition module realize signal isolation, decay, drive, provide fictitious load etc., input adopts differential mode, detected signal at first by after the decay of conditioning plate, enters M series data capture card PCI-6220 again.
M series multifunctional capture card PCI-6259 has 48 road DIO, can export the switching value of input Transistor-Transistor Logic level, and wherein the related DIO of 32 road clocks realizes the output of digit pulse or switching value signal.Adopt a M series capture card PCI-6259, the D/A output with 4 tunnel 16 precision by software set, generates the waveform of arbitrary shape, frequency.Signal arrives constantly in the system, adopts same timing/counter as clock, the time that signal arrives and constantly reads this timing/counter.The load of guidance electronic box is high-power resistance and combinational logic chip, according to demand with in its access test circuit.Need to finish the test of initial firing current by the collection to the pull-up resistor both end voltage for the igniting load circuit, adopt M series 16-bit capture card that initial firing current is tested, can satisfy the requirement of 12-bit measuring accuracy.
Guidance electronic box output signal gathers: the periodic signal collection: the cycle of the cycle signals such as PCLK, vibration adopts PCI to clock/measurement of counter card, after non-TTL/CMOS level signal need be passed through level conversion, attenuation processing, connects and clocks/the counter card.The amplitude of the high speed signals such as PCLK adopts the PCI digitizer to detect.Ignition signal, initial firing current collection: the ignition signal pulsewidth requires to be 50ms ± 3ms, and the sampling rate according to 〉=20kS/s during actual acquisition gathers.The collection of baud rate SK and serial code SD signal: SK, SD signal waveform adopt M series capture card AI passage to gather, and sampling rate 〉=10kS/s carries out Treatment Analysis afterwards.The generation of baud rate CK and serial code CD signal: the waveform signal of generation ± 12V behind CK, the CD employing FPGA T.G Grammar.The power supply direct current signal gathers: 26V working power voltage, product secondary power supply+5V, ± direct current signals such as 15V adopt the AI passage of M series capture card to gather sampling rate 100S/s after the overdamping conditioning.Power supply ripple detects: after the ripple of secondary power supply detected and can adopt oscillograph card or M series capture card to gather power supply signal, the peak value of measuring-signal obtained.
To need the signals collecting judged behind the control computer unit by M series multifunctional capture card, by software can be as required very flexible signal is carried out analyzing and processing.
Consider that the test terminal box is mainly used in metering and fault detect, does not use during normal operation.In order to reduce lead-in wire, improve the reliability of whole system, System self-test is finished by tester and test interface.Need to make a self check cable according to pinout during specific implementation, tested input signal wherein and output signal short circuit, the audit function of input and output passage availability is finished in the self check order in the application software.The self check of integrated circuit board itself can be finished by the function that integrated circuit board carries.
Claims (3)
1. guidance electronic box detector comprises cabinet, it is characterized in that: in cabinet, be provided with data acquisition module, signal condition module, control system, interface adaptation module, working power group and test cable,
The guidance electronic box is connected with data acquisition module by the signal condition module, and data acquisition module is connected with control system, and working power group one end is connected with the guidance electronic box, and the other end is connected with data acquisition module by conditioning module,
Data acquisition module comprises M series multifunctional capture card PCI-6259, two M series data capture card PCI-6220, timing/counter card, digitizer PCI-5102,
The interface adaptive box comprises test cable interface and test interface.
2. guidance electronic box detector according to claim 1 is characterized in that: described working power group employing programmable power supply.
3. guidance electronic box detector according to claim 1 is characterized in that: interface isolation between this detector and the guidance electronic box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220484708 CN202748431U (en) | 2012-09-21 | 2012-09-21 | Detector for electronic guidance box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220484708 CN202748431U (en) | 2012-09-21 | 2012-09-21 | Detector for electronic guidance box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202748431U true CN202748431U (en) | 2013-02-20 |
Family
ID=47707805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220484708 Expired - Fee Related CN202748431U (en) | 2012-09-21 | 2012-09-21 | Detector for electronic guidance box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202748431U (en) |
-
2012
- 2012-09-21 CN CN 201220484708 patent/CN202748431U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101435841B (en) | Test system and method | |
| CN103019940B (en) | A kind of electric energy meter embedded software half simulation testing device | |
| CN203454922U (en) | Detector for cannon servo system | |
| CN104391501B (en) | A kind of condition monitoring system and method for Supervisory Computer Control System For Hydroelectic Power Plant | |
| CN101435842A (en) | Multifunctional integrated test system | |
| CN102262190A (en) | Device and method for online discharge monitoring of ultrahigh voltage power transmission line | |
| CN204789908U (en) | Circuit board automatic test system based on labVIEW | |
| CN106405286A (en) | Electric energy quality monitoring device automatic test method and system | |
| CN103605062A (en) | Partial discharge signal trigger phase synchronous clock source | |
| CN201749316U (en) | Intelligent electric energy meter clock multi-function quick tester | |
| CN105334452A (en) | Testing system for boundary scan | |
| CN203117711U (en) | Portable type multifunctional data recorder | |
| CN203178431U (en) | Full-automatic testing system for circuit boards | |
| CN105334451A (en) | Boundary scanning and testing system | |
| CN102565717A (en) | Thermal battery test system | |
| CN103728510B (en) | Excitation unit on-site test system and method | |
| CN207586367U (en) | Dress electrocardio equipment plate card Auto-Test System | |
| CN102879732B (en) | Method and system for testing board card | |
| CN103631689B (en) | Data acquisition unit, in-circuit emulation debugging system and method | |
| CN201796119U (en) | Programmable digital integrated circuit alternating-current parameter testing system | |
| CN106483950B (en) | Programmable logic device detection method and device | |
| CN103197276A (en) | Reliability automatic detecting device of intelligent energy meter | |
| CN203178477U (en) | Automatic detection device for reliability of intelligent electric energy meter | |
| CN202748431U (en) | Detector for electronic guidance box | |
| CN203788304U (en) | Device for testing function of hardware interface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20130921 |