CN202372202U - Portable fault detector - Google Patents
Portable fault detector Download PDFInfo
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- CN202372202U CN202372202U CN2011205429655U CN201120542965U CN202372202U CN 202372202 U CN202372202 U CN 202372202U CN 2011205429655 U CN2011205429655 U CN 2011205429655U CN 201120542965 U CN201120542965 U CN 201120542965U CN 202372202 U CN202372202 U CN 202372202U
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Abstract
The utility model discloses a portable fault detector, which comprises a detection processing device and an industrial computer. The detection processing device comprises a communication test module, a main control processing module, a data acquisition analysis processing module, a power processing module, a signal generation module and an interface conversion module. The main control processing module is in both-way connection with a detected object, the communication test module, the data acquisition analysis processing module, the signal generation module and the interface conversion module are in both-way connection with the main control processing module respectively, the output end of the power processing module is respectively connected with the input ends of the data acquisition analysis processing module and the signal generation module, and the interface conversion module is connected with the industrial computer. The portable fault detector has the advantages of being capable of achieving testing of conditioning, adaptation, acquisition and processing functions of signals conveniently, enabling fault detection control and diagnosis results to be displayed on a computer interface, and being visual and convenient to operate.
Description
Technical field
The utility model relates to a kind of detector, and especially a kind of portable fault locator is applicable to the fault detection and diagnosis technical field to electromechanical equipment.
Background technology
Along with improving constantly of modern electromechanical equipment automaticity, the inner various signals of electromechanical equipment are complicated, for reliability and the maintainability that improves electromechanical equipment, need carry out a large amount of test and diagnostic work usually.The equipment failure detection technique is the important support technology that guarantees the electromechanical equipment operate as normal, and trouble diagnosibility directly has influence on the overall target of complete machine.Therefore, electromechanical equipment is detected the key areas that has become modern Testing Technology Study with fault diagnosis.At present, most test macro all is that function is single relatively, is main with on-line monitoring, and the Auto-Test System that possesses the fault quick identification is also rare.
The domestic testing apparatus that has two types at present; One type is the special test equipment to a certain type of concrete measurand; Main hardware cooperates other peripheral components to constitute by 51 series monolithics; Through some signal acquisition circuits, accomplish signal monitoring to measurand, inefficiency, accuracy are not high; Another kind of is to adopt standard instrument, like the virtual instrument based on EBIs such as VXI, PXI, sets up the test macro based on the STD bus instrument; But this type systematic not only instrument costs an arm and a leg, and because reference instrument is main with common use, can not be optimized configuration; Serious waste of resources simultaneously, often need be added a large amount of matrix switch modules or signal converting module; Cause system cost too high, bulky, make troubles to use.
The utility model content
The utility model technical matters to be solved provides a kind of simple in structure, easy to use, multiple functional portable fault locator.
For solving the problems of the technologies described above; The technical scheme that the utility model is taked is: a kind of portable fault locator; Comprise and detect treating apparatus and industrial computer, said detection treating apparatus comprises communication test module, master control processing module, data collection and analysis processing module, power supply processing module, signal generator module and interface modular converter; Said master control processing module is connected with measurand is two-way, and said communication test module, data collection and analysis processing module, signal generator module and interface modular converter are connected with the master control processing module is two-way respectively; The output terminal of said power supply processing module is connected with the input end of data collection and analysis processing module, signal generator module respectively; Said interface modular converter is connected with industrial computer.
Said data collection and analysis processing module comprises multiway analog switch gating circuit, amplifier circuit, analog to digital conversion circuit, memory buffer circuit, switching value imput output circuit and timer conter circuit; The input end of multiway analog switch gating circuit is connected with said master control processing module, and its output terminal is connected with the input end of said amplifier circuit; The output terminal of amplifier circuit is connected with the input end of analog-digital conversion circuit as described; The output terminal of analog to digital conversion circuit is connected with the input end of said memory buffer circuit.
Said communication test module is through the communication check order of simulation measurand and send to each unit under test, and realization detects each components communicate interface duty of measurand and diagnoses.The ADAM-5000/CAN module that magnificent company is ground in employing realizes the communication to measurand CAN bus state.
Said master control processing module provides address, data controlling signal required when powering up work for other modules provide the bus support, to realize detecting diagnostic function, adopts embedded 32 ARM7 processors to realize.
Said data collection and analysis processing module is used for multi-channel analog, digital signal are gathered, and mainly accomplishes I/O output input, D/A output detection and the working power detection etc. of measurand.Said multiway analog switch gating circuit is made up of 6 CD4501, in order to from 24 road input signals, selecting wherein one the tunnel, and imports follow-up amplifier circuit; Said amplifier circuit is made up of 6 high-speed, high precision amplifier lm347, lm351, carries out conversion process in order to the simulating signal that channel switch is chosen, to provide analog to digital conversion circuit needed signal; Analog-digital conversion circuit as described selects for use the A/D device ADS7822 (12bit) of B-B company as modulus switching device; Said memory buffer circuit is used for the output result of analog to digital conversion circuit and channel code are carried out buffer-stored, and provides corresponding marking signal, can read analog-to-digital result according to the state of sign with single or batch mode at any time; Said switching value imput output circuit is used to provide the input of 16 tunnel isolation/Unisolated switch amounts, output channel, and converts the level signal of coupling into; Said timer conter circuit is made up of 1 programmable Timer counter 8254 chip, is used to mate each circuit operation clock.
Said power supply processing module mainly is made up of DC/DC power module and associated processing circuit; Its major function is that each functional module provides required power supply in the treating apparatus in order to detect; The input power supply is selected Chaoyang power supply 4INC-K240 integral switching power source for use; Can the 220V civil power be transformed to the output of 24V 10A direct current, realize conversion through bleeder circuit then voltage.
Said signal generator module is used to provide multi-analog, digital test signal, like GPIO switching signal etc.
Said interface modular converter is used for converting the data-interface that detects each functional unit of processing module into be connected with industrial computer USB interface.Adopt the FT245BM interface chip of FTDI company to realize the interface data translation function.
Said industrial computer adopts MST-170 reinforced portable machine, full metal jacket, and the high-strength aluminum alloy structure, four jiaos of unique against shock rubber blankets of cabinet, cabinet inside floppy drive, hard disk shock-absorbing rubber ring can satisfy the requirement of under the different severe environments condition, using.The space of inner 12 total length cards can be satisfied the demand to spatial spread to greatest extent.The all aluminium alloy structure, intensity is high.The hard anodized in surface through chemical reaction, generates the surface film of high rigidity, anticorrosion, anti-scratch in aluminum alloy surface.Be equipped with wide visual angle, high brightness 300 lumen liquid crystal displays.
The beneficial effect of the utility model is: the detection processing module through with fault locator is connected with measurand, can realize functions such as the conditioning of test signal, adaptive, collection and processing easily; To detect treating apparatus and be connected with industrial computer through the USB connecting line, can fault detect be controlled and diagnostic result is presented on the computer interface, operation intuitively, make things convenient for.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.
Fig. 1 is the theory diagram of the utility model.
Embodiment
As shown in Figure 1; The described portable fault locator of the utility model; Comprise and detect treating apparatus and industrial computer, said detection treating apparatus comprises communication test module, master control processing module, data collection and analysis processing module, power supply processing module, signal generator module and interface modular converter; Said master control processing module is connected with measurand is two-way, and said communication test module, data collection and analysis processing module, signal generator module and interface modular converter are connected with the master control processing module is two-way respectively; The output terminal of said power supply processing module is connected with the input end of data collection and analysis processing module, signal generator module respectively; Said interface modular converter is connected with industrial computer.
Said data collection and analysis processing module comprises multiway analog switch gating circuit, amplifier circuit, analog to digital conversion circuit, memory buffer circuit, switching value imput output circuit and timer conter circuit; The input end of multiway analog switch gating circuit is connected with said master control processing module, and its output terminal is connected with the input end of said amplifier circuit; The output terminal of amplifier circuit is connected with the input end of analog-digital conversion circuit as described; The output terminal of analog to digital conversion circuit is connected with the input end of said memory buffer circuit.
The utility model is connected with measurand through the detection processing module with fault locator, can realize functions such as the conditioning of test signal, adaptive, collection and processing easily; To detect treating apparatus and be connected with industrial computer through the USB connecting line, can fault detect be controlled and diagnostic result is presented on the computer interface, operation intuitively, make things convenient for.
Claims (2)
1. portable fault locator; It is characterized in that; Comprise and detect treating apparatus and industrial computer, said detection treating apparatus comprises communication test module, master control processing module, data collection and analysis processing module, power supply processing module, signal generator module and interface modular converter; Said master control processing module is connected with measurand is two-way, and said communication test module, data collection and analysis processing module, signal generator module and interface modular converter are connected with the master control processing module is two-way respectively; The output terminal of said power supply processing module is connected with the input end of data collection and analysis processing module, signal generator module respectively; Said interface modular converter is connected with industrial computer.
2. portable fault locator according to claim 1; It is characterized in that said data collection and analysis processing module comprises multiway analog switch gating circuit, amplifier circuit, analog to digital conversion circuit, memory buffer circuit, switching value imput output circuit and timer conter circuit; The input end of multiway analog switch gating circuit is connected with said master control processing module, and its output terminal is connected with the input end of said amplifier circuit; The output terminal of amplifier circuit is connected with the input end of analog-digital conversion circuit as described; The output terminal of analog to digital conversion circuit is connected with the input end of said memory buffer circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205429655U CN202372202U (en) | 2011-12-22 | 2011-12-22 | Portable fault detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205429655U CN202372202U (en) | 2011-12-22 | 2011-12-22 | Portable fault detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202372202U true CN202372202U (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205429655U Expired - Fee Related CN202372202U (en) | 2011-12-22 | 2011-12-22 | Portable fault detector |
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| Country | Link |
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| CN (1) | CN202372202U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108021123A (en) * | 2017-12-12 | 2018-05-11 | 中国汽车技术研究中心 | A kind of failure detector of portable car-mounted data collector |
| CN109458874A (en) * | 2018-12-20 | 2019-03-12 | 中国人民解放军陆军工程大学 | A kind of detection analysis instrument |
| CN111006557A (en) * | 2019-11-27 | 2020-04-14 | 湖北三江航天红林探控有限公司 | Handheld fire testing terminal |
| CN111337780A (en) * | 2020-03-27 | 2020-06-26 | 南京宽超通信技术有限公司 | Portable BUC fault detector and fault detection method |
-
2011
- 2011-12-22 CN CN2011205429655U patent/CN202372202U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108021123A (en) * | 2017-12-12 | 2018-05-11 | 中国汽车技术研究中心 | A kind of failure detector of portable car-mounted data collector |
| CN108021123B (en) * | 2017-12-12 | 2024-01-05 | 中国汽车技术研究中心 | Portable fault detection device of vehicle-mounted data collector |
| CN109458874A (en) * | 2018-12-20 | 2019-03-12 | 中国人民解放军陆军工程大学 | A kind of detection analysis instrument |
| CN109458874B (en) * | 2018-12-20 | 2024-02-23 | 中国人民解放军陆军工程大学 | Detection analyzer |
| CN111006557A (en) * | 2019-11-27 | 2020-04-14 | 湖北三江航天红林探控有限公司 | Handheld fire testing terminal |
| CN111337780A (en) * | 2020-03-27 | 2020-06-26 | 南京宽超通信技术有限公司 | Portable BUC fault detector and fault detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20201222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |