CN204964698U - Circuit board detecting system - Google Patents
Circuit board detecting system Download PDFInfo
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- CN204964698U CN204964698U CN201520545976.7U CN201520545976U CN204964698U CN 204964698 U CN204964698 U CN 204964698U CN 201520545976 U CN201520545976 U CN 201520545976U CN 204964698 U CN204964698 U CN 204964698U
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Abstract
The utility model relates to a circuit board detecting system, including host computer and at least one detection module, the equal and upper computer connection of every detection module, the circuit board that awaits measuring is connected with the detection module one -to -one. Detection module includes main control unit circuit, modulate circuit, interface circuit and supply circuit, and the circuit board that awaits measuring is connected with interface circuit, and interface circuit, modulate circuit and main control unit circuit are connected in order, main control unit circuit and upper computer connection, supply circuit respectively with interface circuit, modulate circuit and main control unit circuit connection. The utility model discloses a circuit board detecting system, detection method is quick, practical, both applicable short -term tests on the factory production line, taken into account equip because of different operating condition cause repair environmental change circuit board failure diagnosis down quick, press close to the formula guarantee and carry and support, expand wireless network transport module after, can also realize mill's assembly line and open -air environment under, carry out real -time detection to regional internal electric circuit board / equipment.
Description
Technical field
The utility model relates to electronic technology fault diagnosis field, particularly relates to a kind of circuit board detecting system.
Background technology
Current Fault Diagnosis of Circuit Board and technology mainly contain functional test technology, on-line testing technique, infrared thermal imaging measuring technology, emulation testing technology and Boundary-scan test technology etc.Wherein, the ultimate principle of functional test technology sends pumping signal or resolution chart by the edge connector of circuit board to Board Under Test, make circuit-under-test plate enter duty, receive the response data from circuit board simultaneously and analyze, whether checking meets required function.Its advantage is the reliability that can not affect device on plate, and shortcoming is that the construction cycle is long, comparatively difficult when processing multiple faults.Carry out on-line testing under the state that on-line testing technique and infrared thermal imaging measuring technology all need system to be in work, will detect driving source and controlled source for the exploitation of each tested object, volume is comparatively large, and test result data cannot precise positioning fault.Boundary-scan test technology, mainly for the circuit board of the encapsulation complexity of employing multilayer manufacturing technology, integrated circuit, is not suitable for the circuit board diagnosis of malfunctioning module or fault part; And emulation testing technology is mainly used in the test with microcontroller circuit plate, comparatively large to place and operating environment requirements, be suitable for embedded hardware circuit board testing that is in enormous quantities, pipeline system.
The above-mentioned any one measuring technology of single use, all can not play modularization, high efficiency equipment circuit board be carried out to the effect of function modoularization fault diagnosis, more can not realizing repairing to possessing portability and the applicability that the equipment circuit board be worth carries out rapid failure diagnosis under quick detection and battlefield, field environment on plant produced line, modern operation environment presses close to equipment requirement to equipment rush repairing cannot be adapted to.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, a kind of circuit board detecting system is provided, can fast, stable, complete in factory exactly and field, under battlefield surroundings various boards fault diagnosis to sending the support mission repairing Testing and appraisal system requirements, and can expand the wireless Internet function of multiple Testing and appraisal system, carry out fault diagnosis with polylith circuit board in adaptation zone simultaneously.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of circuit board detecting system, comprise host computer and at least one detection module, each described detection module is all connected with described host computer, and circuit board under test and described detection module connect one to one.
Wherein, described detection module comprises main control unit circuit, modulate circuit, interface circuit and feed circuit, circuit board under test is connected with described interface circuit, described interface circuit, modulate circuit are connected in turn with main control unit circuit, described main control unit circuit is connected with described host computer, and described feed circuit are connected with described interface circuit, modulate circuit and main control unit circuit respectively.
The beneficial effects of the utility model are: a kind of circuit board detecting system of the present utility model, design and develop simple, cost is low, detection method is quick, practical, both the quick detection on plant produced line had been applicable to, also be applicable under battlefield, field environment and repair the equipment circuit board be worth carry out rapid failure diagnosis to possessing, taken into account equipment cause because of different work state repair Fault Diagnosis of Circuit Board under environmental change fast, proximity guarantee conveying supports.After extended wireless network transmission module, under the numerous streamline of factory and numerous and complicated mixed and disorderly field, battlefield surroundings can also be realized, region interior circuit board/equipment is detected in real time.
On the basis of technique scheme, the utility model can also do following improvement:
Further: described modulate circuit comprises signal exciting unit, sampling unit and signal processing unit, the input end of described signal exciting unit is connected with the output terminal of described main control unit circuit, the output terminal of described signal exciting unit is connected with the input end of described interface circuit, the input end of described sampling unit is connected with the output terminal of described interface circuit, the output terminal of described sampling unit is connected with the input end of described signal processing unit, and the output terminal of described signal processing circuit is connected with the input end of described main control unit circuit.
The beneficial effect of above-mentioned further scheme is: can be produced the pumping signal matched with circuit board under test by described exciting unit, described sampling unit and signal processing unit all for carrying out pre-service to the response signal of circuit board under test, make subsequent detection result more accurate.
Further: described signal exciting unit comprises digital actuation circuit and analog driver circuits, described digital actuation circuit and analog driver circuits are connected in parallel between described main control unit circuit and described interface circuit.
The beneficial effect of above-mentioned further scheme is: the digital stimulus signal that described digital actuation circuit matches according to described setting instruction generation and circuit board under test, and described analog driver circuits is used for the analogue stimulus signal matched according to described setting instruction generation and circuit board under test.Precious sound of laughing circuit board detecting system highly versatile can be made like this, both the analog electrical parameter of many circuit board under test can detect, and also can detect digital electrical quantity.
Further: described interface circuit comprises I/O expanded circuit and interface selection circuit, described I/O expanded circuit is used for being connected with circuit board under test, and described interface selection circuit sets for the electric input to each paths, output attribute.
The beneficial effect of above-mentioned further scheme is: arrange different channel parameters according to different circuit board under test, and Convenient interface circuit mates different circuit board under test.
Further: described main control unit circuit is connected with described host computer by data bus.
Further: also to comprise wireless transport module, realize data information transfer by described wireless transport module between described main control unit circuit and described host computer.
The beneficial effect of above-mentioned further scheme is: by described wireless transport module, reduces the frustration connecting up and bring when can detect out of doors.
Further: also to comprise the packing case identical with described detection module quantity, described detection module is arranged in described packing case, and described packing case side is provided with handle.
The beneficial effect of above-mentioned further scheme is: can realize waterproof function of seismic resistance by described packing case, and realizes portable mobile by the handle of packing case upper end.
Further: described packing case is isolation material.
Further: described host computer is PC.
Accompanying drawing explanation
Fig. 1 is a kind of circuit board detecting system architecture schematic diagram of the present utility model.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of circuit board detecting system architecture schematic diagram, comprise host computer and at least one detection module, each described detection module is all connected with described host computer, and circuit board under test and described detection module connect one to one.
Wherein, described detection module comprises main control unit circuit, modulate circuit, interface circuit and feed circuit, circuit board under test is connected with described interface circuit, described interface circuit, modulate circuit are connected in turn with main control unit circuit, described main control unit circuit is connected with described host computer, and described feed circuit are connected with described interface circuit, modulate circuit and main control unit circuit respectively.
In the present embodiment, described modulate circuit comprises signal exciting unit, sampling unit and signal processing unit, the input end of described signal exciting unit is connected with the output terminal of described main control unit circuit, the output terminal of described signal exciting unit is connected with the input end of described interface circuit, the input end of described sampling unit is connected with the output terminal of described interface circuit, the output terminal of described sampling unit is connected with the input end of described signal processing unit, and the output terminal of described signal processing circuit is connected with the input end of described main control unit circuit.Can be produced the pumping signal matched with circuit board under test by described exciting unit, described sampling unit and signal processing unit all for carrying out pre-service to the response signal of circuit board under test, make subsequent detection result more accurate.
In the present embodiment, described signal exciting unit comprises digital actuation circuit and analog driver circuits, and described digital actuation circuit and analog driver circuits are connected in parallel between described main control unit circuit and described interface circuit.The digital stimulus signal that described digital actuation circuit matches according to described setting instruction generation and circuit board under test, described analog driver circuits is used for the analogue stimulus signal matched according to described setting instruction generation and circuit board under test.Whole circuit board detecting system highly versatile can be made like this, both the analog electrical parameter of many circuit board under test can detect, and also can detect digital electrical quantity.
Particularly, described main control unit circuit board carries out functional module, unit or passage according to the standard performance parameter of circuit board under test and divides, and generates setting instruction; Described modulate circuit is according to setting instruction generation and the digital stimulus signal that matches of circuit board under test and analogue stimulus signal and be sent to circuit board under test, circuit board under test generates corresponding signal according to described digital stimulus signal and analogue stimulus signal, described modulate circuit carries out level conversion, amplification, correction and filtering process to described response signal, obtains the real-time performance parameter of circuit board under test and is sent to described main control unit circuit by described interface circuit; Described main control unit circuit carries out fault tree analysis process according to the real-time performance parameter of circuit board under test and standard performance parameter, location circuit board under test guilty culprit functional module, unit or passage, generate examining report and be sent to described host computer, described host computer is for reading described examining report and showing.
Preferably, described interface circuit comprises I/O expanded circuit and interface selection circuit, and described I/O expanded circuit is used for being connected with circuit board under test, and described interface selection circuit sets for the electric input to each paths, output attribute.In actual testing process, we can arrange different channel parameters according to different circuit board under test, and Convenient interface circuit mates different circuit board under test.
Described main control unit circuit is connected with described host computer by data bus.
Preferably, a kind of circuit board detecting system of the present utility model also comprises wireless transport module, realizes data information transfer between described main control unit circuit and described host computer by described wireless transport module.By described wireless transport module, when can detect out of doors, reduce the frustration connecting up and bring.Here it is pointed out that and multiple circuit board detecting system is connected with host computer respectively by described wireless module, Wireless Networking expanded function can be realized.
In the present embodiment, in order to prevent external moisture and vibrations, we are provided with a packing case for described detection module, and described detection module is arranged in described packing case, and are provided with handle in described packing case side.Waterproof function of seismic resistance can be realized by described packing case, and realize portable mobile by the handle of packing case upper end.Described packing case adopts isolation material, avoids causing described detection module short circuit and being damaged.
In the present embodiment, described host computer is PC.Certainly, other also can be selected to have the terminal of interactive function, do not limit here.
A kind of circuit board detecting system of the present utility model, design and develop simple, cost is low, detection method is quick, practical, both the quick detection on plant produced line had been applicable to, also be applicable under battlefield, field environment and repair the equipment circuit board be worth carry out rapid failure diagnosis to possessing, taken into account equipment cause because of different work state repair Fault Diagnosis of Circuit Board under environmental change fast, proximity guarantee conveying supports.After extended wireless network transmission module, under the numerous streamline of factory and numerous and complicated mixed and disorderly field, battlefield surroundings can also be realized, region interior circuit board/equipment is detected in real time.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a circuit board detecting system, is characterized in that: comprise host computer and at least one detection module, each described detection module is all connected with described host computer, and circuit board under test and described detection module connect one to one;
Described detection module comprises main control unit circuit, modulate circuit, interface circuit and feed circuit, circuit board under test is connected with described interface circuit, described interface circuit, modulate circuit are connected in turn with main control unit circuit, described main control unit circuit is connected with described host computer, and described feed circuit are connected with described interface circuit, modulate circuit and main control unit circuit respectively.
2. a kind of circuit board detecting system according to claim 1, it is characterized in that: described modulate circuit comprises signal exciting unit, sampling unit and signal processing unit, the input end of described signal exciting unit is connected with the output terminal of described main control unit circuit, the output terminal of described signal exciting unit is connected with the input end of described interface circuit, the input end of described sampling unit is connected with the output terminal of described interface circuit, the output terminal of described sampling unit is connected with the input end of described signal processing unit, the output terminal of described signal processing circuit is connected with the input end of described main control unit circuit.
3. a kind of circuit board detecting system according to claim 2, it is characterized in that: described signal exciting unit comprises digital actuation circuit and analog driver circuits, described digital actuation circuit and analog driver circuits are connected in parallel between described main control unit circuit and described interface circuit.
4. a kind of circuit board detecting system according to claim 1, it is characterized in that: described interface circuit comprises I/O expanded circuit and interface selection circuit, described I/O expanded circuit is used for being connected with circuit board under test, and described interface selection circuit sets for the electric input to each paths, output attribute.
5. a kind of circuit board detecting system according to claim 1, is characterized in that: described main control unit circuit is connected with described host computer by data bus.
6. a kind of circuit board detecting system according to claim 1, is characterized in that: also comprise wireless transport module, realizes data information transfer between described main control unit circuit and described host computer by described wireless transport module.
7. a kind of circuit board detecting system according to claim 1, it is characterized in that: also comprise the packing case identical with described detection module quantity, described detection module is arranged in described packing case, and described packing case side is provided with handle.
8. a kind of circuit board detecting system according to claim 7, is characterized in that: described packing case is isolation material.
9. a kind of circuit board detecting system according to any one of claim 1 to 8, is characterized in that: described host computer is PC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520545976.7U CN204964698U (en) | 2015-07-26 | 2015-07-26 | Circuit board detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520545976.7U CN204964698U (en) | 2015-07-26 | 2015-07-26 | Circuit board detecting system |
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| Publication Number | Publication Date |
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| CN204964698U true CN204964698U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520545976.7U Expired - Fee Related CN204964698U (en) | 2015-07-26 | 2015-07-26 | Circuit board detecting system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182212A (en) * | 2015-07-26 | 2015-12-23 | 薛雪东 | Circuit board carry-in repair detection and identification system and method |
| CN107450012A (en) * | 2017-08-10 | 2017-12-08 | 薛雪东 | A kind of circuit board repair identification systems |
| CN109406985A (en) * | 2018-10-08 | 2019-03-01 | 北方电子研究院安徽有限公司 | A kind of PCB analog element Auto-Test System and test method |
| CN115792585A (en) * | 2023-02-10 | 2023-03-14 | 湖南进芯电子科技有限公司 | Integrated circuit aging test method and device and readable storage medium |
-
2015
- 2015-07-26 CN CN201520545976.7U patent/CN204964698U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182212A (en) * | 2015-07-26 | 2015-12-23 | 薛雪东 | Circuit board carry-in repair detection and identification system and method |
| CN107450012A (en) * | 2017-08-10 | 2017-12-08 | 薛雪东 | A kind of circuit board repair identification systems |
| CN109406985A (en) * | 2018-10-08 | 2019-03-01 | 北方电子研究院安徽有限公司 | A kind of PCB analog element Auto-Test System and test method |
| CN115792585A (en) * | 2023-02-10 | 2023-03-14 | 湖南进芯电子科技有限公司 | Integrated circuit aging test method and device and readable storage medium |
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| 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: 20160113 Termination date: 20160726 |
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| CF01 | Termination of patent right due to non-payment of annual fee |