CN106597248A - Spliced plate detection device - Google Patents
Spliced plate detection device Download PDFInfo
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- CN106597248A CN106597248A CN201510676111.9A CN201510676111A CN106597248A CN 106597248 A CN106597248 A CN 106597248A CN 201510676111 A CN201510676111 A CN 201510676111A CN 106597248 A CN106597248 A CN 106597248A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electronic Switches (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The invention discloses a spliced plate detection device and system, comprising a detection machine frame and a data processing circuit connected through a first connection circuit. The detection machine frame includes a support to bear n detected circuit boards, a first conductive component in connection with the acquisition signal acquisition points on the n detected circuit boards, and a second conductive component in connection with the detection signal loading points on the n detected circuit boards. The second conductive component loads detection signals onto the n detected circuit boards. The first conductive component obtains acquisition signals from the acquisition points of the n detected circuit boards and transmits the acquisition signals to the data processing circuit through the first connection circuit. The data processing circuit is used to transmit the detection signals to the detection machine frame and receive the acquisition signals through the first connection circuit; the data processing circuit also processes the acquisition signals to obtain a processing result and outputs the processing result. The spliced plate detection device and system can reduce the time required for detection, therefore, increasing the efficiency of spliced plate detection.
Description
Technical field
The present invention relates to jigsaw detection technique field, particularly a kind of jigsaw detection means.
Background technology
The keypad and IR receiver boards quantity of all kinds of types of production are many at present, with keypad are
Example, it is excessive by bond number on plate, need button one by one to press down when employee is tested and surveyed
Examination, speed are slow, and efficiency is low.When certain more plank of production quantity, generally it is required for transferring
More employees are tested, and increased cost of labor.
And wire rod needs to change plate plug when testing, too frequently, wire rod is easily damaged, and needs Jing normal for plug
Change, increase wire rod cost.
The content of the invention
It is an object of the invention to provide a kind of jigsaw detection means, can realize fast and efficiently
Jigsaw is detected.
To solve the above problems, the invention provides a kind of jigsaw detection means, including：
The detection frame being connected by the first connection circuit and data process circuit；Detection frame bag
Include and adopt for carrying the support of n circuit-under-test plate and connecting collection signal on n circuit-under-test plate
On first conductive component of collection point, n circuit-under-test plate of connection, detection signal load(ing) point second leads
Electrical component；Second conductive component loads detection signal to n circuit-under-test plate；First conductive group
Part obtains collection signal from the collection point of n circuit-under-test plate, is sent by the first connection circuit and is adopted
Collection signal is to data processing circuit；Data processing circuit is used to send detection by the first connection circuit
Signal is processed to obtain processing knot to detecting frame and receiving collection signal to gathering signal
Really, and export result；Wherein, n is greater than or equal to 2 integer.
Wherein, the second conductive component loads detection signal to n circuit-under-test plate, refers to data
Process circuit sends detection signal to n tested electricity by the first connection circuit, the second conductive component
Road plate；Collection signal is obtained from the collection point of n circuit-under-test plate, is referred to tested from n successively
The collection point of circuit board obtains the collection signal of each circuit-under-test plate of correspondence.
Wherein, the detection signal load(ing) point of each circuit-under-test plate at least includes the first load(ing) point and the
Two load(ing) points, the collection point for gathering signal are located between the first load(ing) point and the second load(ing) point, and first
It is detected element between load(ing) point, the second load(ing) point and collection point.
Wherein, the first conductive component is at least conductive including the signals collecting port and first being connected with each other
Thimble；Signals collecting port is connected circuit with first and is connected, and the first conductive thimble is tested with n
The collection point of circuit board is connected.
Wherein, the second conductive component being connected with the first load(ing) point at least includes first for being connected with each other
Resistance and the second conductive thimble, first resistor are connected circuit with first and are connected, the second conductive thimble
It is connected with the first load(ing) point；The second conductive component being connected with the second load(ing) point at least includes mutual
The key switch of connection and the 3rd conductive thimble, key switch are connected circuit with first and are connected, the
Three conductive thimbles are connected with the second load(ing) point.
Wherein, data processing circuit includes gathering signal receiving end, multiplexer, the first displacement
Depositor, processor, a/d converter, data storage, the second shift register, display；
Collection signal receiving end is used to receive collection signal by the first connection circuit；
Multiplexer is connected with processor via the first shift register, and in the control of processor
Under system, the collection signal of collection signal receiving end is carried out timesharing sequential processing and is sent to AD
Transducer；A/d converter for by the collection signal processing through timesharing sequential processing into first number
Word signal is simultaneously sent to processor；Processor is used to send detection signal extremely by the first connection circuit
Detection frame, is connected with data storage, obtains the comparative information in data storage, is processed
The first digital signal that the a/d converter is sent by device carries out contrast process with comparative information, and
Result is sent to into display by the second shift register.
Wherein, result is sent to display via the second shift register to be shown, is
Finger is shown as Y or N over the display, represents the test result of n circuit-under-test plate, and Y is represented
Within error allowed band, N represents circuit-under-test plate and is surveyed for the part tested by circuit-under-test plate
There is failure in examination part.
Wherein, data processing circuit includes buzzer and audion, and buzzer is by audion and place
Reason device is connected, and processor control buzzer exists for sending police during the test result of N over the display
Report sound.
The invention has the beneficial effects as follows：It is different from the situation of prior art, jigsaw detection dress of the present invention
Put and collection signal is obtained from the collection point of n circuit-under-test plate by the first conductive component, by
One connection circuit sends collection signal to data processing circuit, reduces the time required for detection,
Improve the efficiency of jigsaw detection.
Figure of description
Fig. 1 is the structural representation of jigsaw detection means first embodiment of the present invention；
Fig. 2 is the structural representation of jigsaw detection means second embodiment of the present invention；
Fig. 3 is the detection frame equivalent circuit theory of jigsaw detection means second embodiment of the present invention
Figure；
Fig. 4 is the structural representation of jigsaw detection means 3rd embodiment of the present invention；
Fig. 5 is the structural representation of jigsaw detection means fourth embodiment of the present invention；
Fig. 6 is that jigsaw detection means fourth embodiment display of the present invention is defeated when failure is not detected by
Go out schematic diagram；
Fig. 7 is that jigsaw detection means fourth embodiment display of the present invention is exported when failure is detected
Schematic diagram.
Specific embodiment
As shown in figure 1, jigsaw detection means first embodiment of the present invention, including：
The detection frame 12 being connected by the first connection circuit 11 and data processing circuit 13；Inspection
Surveying frame 11 is included for carrying the support 121 of n circuit-under-test plate and connecting n tested electricity
The first conductive component 122 of signal acquisition point is gathered on the plate of road, connects inspection on n circuit-under-test plate
Survey the second conductive component 123 of signal loading point；The loading of second conductive component 123 detection signal is extremely
On n circuit-under-test plate；First conductive component 122 is obtained from the collection point of n circuit-under-test plate
Collection signal, sends collection signal to data processing circuit 13 by the first connection circuit 11；Number
It is used to extremely detect frame 12 by the first connection transmission of circuit 11 detection signal according to process circuit 13
Signal is gathered with receiving, is processed to obtain result to gathering signal, and is exported process knot
Really；Wherein, n is greater than or equal to 2 integer.
During use, detection signal is sent to by data processing circuit 13 by the first connection circuit 11
The second conductive group 123 of frame 12 is detected, detection signal is loaded and n by the second conductive group 123
The detection signal load(ing) point of circuit-under-test plate, the first conductive component 122 is from n circuit-under-test plate
Collection point obtains collection signal, is sent to data processing circuit 13 by the first connection circuit 111,
The collection signal that data processing circuit 13 pairs is received carries out process and obtains result, and exports
Result.The jigsaw detection means is used to detect keypad, it is also possible to for detecting IR plates.
In jigsaw detection means first embodiment of the present invention, the loading detection of the second conductive component 123
Signal to n circuit-under-test plate, refer to data processing circuit logical 13 cross first connect circuits 11,
Second conductive component 123 sends detection signal to n circuit-under-test plate；From n circuit-under-test plate
Collection point obtain collection signal, refer to
The collection signal of each circuit-under-test plate.
The detection signal load(ing) point of each circuit-under-test plate at least includes that the first load(ing) point and second adds
Loading point, the collection point for gathering signal are located between the first load(ing) point and the second load(ing) point, the first loading
Detected element between point, the second load(ing) point and collection point, i.e. circuit-under-test plate.
By the enforcement of above-described embodiment, the first adopting from n circuit-under-test plate of conductive component 122
Collection point obtains collection signal, once obtains the collection signal of n circuit-under-test plate (partial circuit),
The number of times of collection is reduced, reduces the workload of staff, then by the first connection circuit 11
Collection signal is sent to data processing circuit 13, the time required for detection is reduced, is improve spelling
The efficiency of plate detection.
As shown in Figures 2 and 3, jigsaw detection means second embodiment of the present invention, in present invention spelling
On the basis of board checking device first embodiment, the first conductive component 222 at least includes being connected with each other
Signals collecting port 2221 (being not drawn in Fig. 3) and the first conductive thimble 2222 (in Fig. 3
It is not drawn into)；Signals collecting port 2221 is connected circuit 21 with first and is connected, the first conducting top
Pin 2222 is connected with the collection point of n circuit-under-test plate.And be connected with the first load(ing) point
Two conductive components 223 at least include the first resistor 2231 being connected with each other and the second conductive thimble
2232 (being not drawn in Fig. 3), first resistor 2231 are connected circuit 21 with first and are connected, the
Two conductive thimbles 2232 are connected with the first load(ing) point.
The the second conductive group 223 being connected with the second load(ing) point at least includes that the button being connected with each other is opened
Pass 2233 and the 3rd conductive thimble 2234 (being not drawn in Fig. 3), key switch 2233 and first
Connection circuit 21 is connected, and the 3rd conductive thimble 2234 is connected with the second load(ing) point.
Equivalent replacement is carried out with corresponding resistance to each element of circuit-under-test plate in Fig. 3, is being spelled
When board checking device is used, the first load(ing) point loads high-tension detection signal, and the second load(ing) point adds
Low-voltage or earthing detection signal are carried, first resistor 2231 plays pull-up in detection process
Effect, i.e., in the case where key switch 2231 is not also pressed, from each circuit-under-test plate
The magnitude of voltage that collection point detects is the magnitude of voltage of the detection signal loaded by the first load(ing) point, when
When key switch 2231 is pressed, successively from each circuit-under-test plate and 2231 institute of key switch
The collection point of corresponding partial circuit collects different collection signals.From figure 3, it can be seen that
Key switch 2231 more than one set, and three groups drawn in figure are also intended merely to conveniently understand table
Up to its principle, three groups in practical application, are not limited to.
As shown in figure 4, jigsaw detection means 3rd embodiment of the present invention, detects in jigsaw of the present invention
On the basis of device second embodiment, data processing circuit 33 include gather signal receiving end 331,
Multiplexer 332, the first shift register 333, processor 334, a/d converter 335,
Data storage 336, the second shift register 337, display 338；
Multiplexer 332 is data selector, for the collection signal of n input channel is multiple
Use in an output channel；In digital circuit, shift register (shift register) is one
The device based on trigger for kind working under some same time pulses, data with parallel or
Serial manner is input in the device, and then each time pulse to the left or moves right one successively
Bit, is exported in outfan；The effect of a/d converter 335 is, by tested voltage conversion into
Corresponding numerical value, single-chip microcomputer can carry out computing, judgement and control process accordingly.
Collection signal receiving end 331 is used to connect 31 receipts collection signal by the first connection circuit；
Multiplexer 332 is connected with processor 334 via the first shift register 333, and
Under the control of processor 334, the collection signal of collection signal receiving end 331 is carried out into timesharing
Sequential processing is simultaneously sent to a/d converter 335, and a/d converter 335 is used for will be through timesharing order
The collection signal processing of process is into the first digital signal and is sent to processor 334；Processor 334
For sending detection signal to frame 32 is detected by the first connection circuit 31, with data storage
336 are connected, and obtain the comparative information in data storage 336, and AD is turned by processor 334
The first digital signal that parallel operation 335 is sent and comparative information carry out contrast process, and by result
Display 338 is sent to by the second shift register 337；It is steady that the present embodiment is also provided with direct current
Voltage source 339, for powering to processor 334.
Timesharing sequential processing is referred to, shift register is controlled further using microcontroller serial port mode 0
Data are processed.Multiplexer 332 can be arranged as required to multiple, say for convenience
It is bright, an one-level multiplexer 3321 and a second stages of multiplexers are only depicted in Fig. 3
3322, provide 3 one-level multiplexers 3321 and a second stages of multiplexers here again
3322 citing：Processor 334 carries out sealing in for data by controlling the first shift register 333
And go out, to being input into from 3 one-level multiplexers 3321 and 1 second stages of multiplexers 3322
The signal come in carries out timesharing acquisition order, and multichannel analog signals (and collection signal) are changed into
The signal all the way of timesharing Sequential output；One-level multiplexer 3321 is 16 to select 1 simulation to open
Close, output port be connected respectively to second stages of multiplexers 3322 CHANNEL I/O 0,1,
In 2 passages, the piece of one-level multiplexer 3321 selects end and address choice passway and more than two grades
The piece of path multiplexer 3322 selects end and selects control end to be connected respectively to the first shift register 333,
By the algorithm design alternative of software, will be input into what is come in from 3 one-level multiplexers 3321
It is 1 road signal that the collection signal that the collection of 3*16 roads comes carries out timesharing sequential processing, and is passed through more than two grades
The selection of path multiplexer 3322, the path is chosen, and is connected to a/d converter 335
AD is input into 0 port.
In detection process, by next key switch 32, signals collecting port 3221 is to n
The resistive voltage value of the same position of circuit-under-test plate (partial circuit) is traveled through (to n
The resistive voltage value of the same position of circuit-under-test plate is acquired successively), collection signal is received
End 331 receives n roads by the first connection circuit 31 and gathers signal, and is sent to an one-level
Multiplexer 3321；Another key switch 32 is pressed again, repeats above-mentioned process, separately
One one-level multiplexer 3321 has obtained n roads collection signal；Repeat said process, it is another
Individual one-level multiplexer 3321 has obtained n roads collection signal.Three one-level multiplexers 3321
Under control of the processor 334 via the first shift register 333 by n roads gather signal multiplexing into
Three road signals simultaneously export 3322 (each one-level multiplexer 3321 general of second stages of multiplexers
The signal multiplexing for each obtaining is into all the way), second stages of multiplexers 3322 is again in processor 334
Via the first shift register 333 tri- road signal multiplexings of control Xia Jiang are into signal all the way and issue
A/d converter 335, a/d converter 335 will signal (signal and this sections all the way here all the way
The signal being previously mentioned before is all referring to analogue signal) it is converted into digital signal and is sent to processor
334, the digital signal for obtaining is entered by processor 334 with the comparative information in data storage 336
Row is compared and is processed, and result is sent to display through the second shift register 337
338.Signals collecting port 3221 obtains collection signal from the collection point of n circuit-under-test plate, and one
The secondary collection signal for obtaining n circuit-under-test plate (partial circuit), and it is provided with fair amount
Key switch 32, reduce the number of times of collection, reduce the workload of staff, then pass through
First connection circuit 11 sends collection signal and is processed to data processing circuit 13, reduces inspection
Time required for surveying, improve the efficiency of jigsaw detection；And it is many by measurement simultaneously when testing
Individual circuit-under-test plate, reduces plug when wire rod changes plate, reduces plug frequency, is lost wire rod
Reduce, reduce wire rod cost.Multiple two grades of multiplex electronics can also be set in the present embodiment
3322 and the one-level multiplex electronics 3321 that are attached thereto, for the detection of IR plates.
Jigsaw detection means fourth embodiment of the present invention, implements in jigsaw detection means the 3rd of the present invention
On the basis of example, with reference to Fig. 5 and Fig. 6, the data of m rows n row are shown as on display 438,
Group numbers of the m for key switch, numbers of the n for circuit-under-test plate, every group of data from digital and letter
Composition, which block circuit-under-test plate digitized representation is, letter has two kinds of displays of Y and N, and Y is represented
Within error allowed band, N represents circuit-under-test plate and is surveyed for the part tested by circuit-under-test plate
There is failure in examination part；As shown in fig. 7, data processing circuit 43 also includes 430 He of buzzer
Audion 440, buzzer 430 are connected with processor 434 by audion 440, processor 434
Control buzzer 430 exists for sounding the alarm during the test result of N on display 438.
Embodiments of the present invention are the foregoing is only, the patent model of the present invention is not thereby limited
Enclose, the equivalent structure or equivalent process made by every utilization description of the invention and accompanying drawing content becomes
Change, or be directly or indirectly used in other related technical fields, be included in the present invention's in the same manner
In scope of patent protection.
Claims (8)
1. a kind of jigsaw detection means, including the detection frame being connected by the first connection circuit and
Data processing circuit；
The detection frame includes that support and connection for carrying n circuit-under-test plate are described n
The first conductive component of signal acquisition point is gathered on circuit-under-test plate, connects the n circuit-under-test
Second conductive component of detection signal load(ing) point on plate；
Second conductive component loads the detection signal to the n circuit-under-test plate；
First conductive component obtains collection letter from the collection point of the n circuit-under-test plate
Number, the collection signal is sent to the data processing circuit by the described first connection circuit；
The data processing circuit is used to send the detection signal by the described first connection circuit
To the detection frame and the reception collection signal, the collection signal is processed to obtain
Result, and export the result；
Wherein, the n is greater than or equal to 2 integer.
2. jigsaw detection means according to claim 1, it is characterised in that
Second conductive component loads the detection signal to the n circuit-under-test plate, is
Refer to that the data processing circuit sends institute by the described first connection circuit, second conductive component
Detection signal is stated to the n circuit-under-test plate；
The collection point from the n circuit-under-test plate obtains collection signal, refers to successively from institute
The collection point for stating n circuit-under-test plate obtains the collection signal of each circuit-under-test plate of correspondence.
3. jigsaw detection means according to claim 2, it is characterised in that
The detection signal load(ing) point of each circuit-under-test plate at least includes the first load(ing) point
With the second load(ing) point, the collection point of the collection signal is located at first load(ing) point and the second loading
Between point, first load(ing) point, it is detected element between the second load(ing) point and the collection point.
4. jigsaw detection means according to claim 3, it is characterised in that
First conductive component is at least conductive including the signals collecting port and first being connected with each other
Thimble；The signals collecting port is connected circuit with first and is connected, the first conductive thimble with
The collection point of the n circuit-under-test plate is connected.
5. jigsaw detection means according to claim 4, it is characterised in that
Second conductive component being connected with the first load(ing) point at least includes first for being connected with each other
Resistance and the second conductive thimble, the first resistor is connected circuit with described first and is connected, described
Second conductive thimble is connected with first load(ing) point.
Second conductive component being connected with the second load(ing) point at least includes the button being connected with each other
Switch and the 3rd conductive thimble, the key switch is connected circuit with described first and is connected, described
3rd conductive thimble is connected with second load(ing) point.
6. jigsaw detection means according to claim 5, it is characterised in that
The data processing circuit includes that collection signal receiving end, multiplexer, the first displacement are posted
Storage, processor, a/d converter, data storage, the second shift register, display；
The collection signal receiving end is used to receive the collection letter by the described first connection circuit
Number；
The multiplexer is connected with the processor via first shift register, and
Under the control of the processor, the collection signal of the collection signal receiving end is carried out
Timesharing sequential processing is simultaneously sent to the a/d converter；
The a/d converter for by the collection signal processing through timesharing sequential processing into
One digital signal is simultaneously sent to the processor；
The processor is connected with the data storage, for by the described first connection circuit
The detection signal is sent to the detection frame, the contrast letter in the data storage is obtained
Breath, first digital signal and the contrast that the a/d converter is sent by the processor
Information carries out contrast process, and result is sent to by second shift register described
Display.
7. jigsaw detection means according to claim 6, it is characterised in that
It is described result is sent to into the display via second shift register to carry out
Show, refer to, represent the survey of the n circuit-under-test plate
Test result, Y represent part that the circuit-under-test plate tested within error allowed band, N
Represent circuit-under-test plate institute part of detecting and there is failure.
8. jigsaw detection means according to claim 7, it is characterised in that
The data processing circuit includes buzzer and audion, and the buzzer passes through three pole
Pipe is connected with the processor, and the processor controls the buzzer to be present on the display
For N test result when sound the alarm.
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| CN201510676111.9A CN106597248B (en) | 2015-10-16 | 2015-10-16 | A kind of jigsaw detection device |
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| CN106597248B CN106597248B (en) | 2019-11-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111308317A (en) * | 2019-12-16 | 2020-06-19 | 华南理工大学广州学院 | Method for detecting whether multivibrator circuit connection is correct or not through jigsaw |
| CN112255483A (en) * | 2020-10-19 | 2021-01-22 | 上海沪工汽车电器有限公司 | Automobile central junction box test system |
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| CN111308317A (en) * | 2019-12-16 | 2020-06-19 | 华南理工大学广州学院 | Method for detecting whether multivibrator circuit connection is correct or not through jigsaw |
| CN111308317B (en) * | 2019-12-16 | 2022-08-16 | 华南理工大学广州学院 | Method for detecting whether multivibrator circuit connection is correct or not through jigsaw |
| CN112255483A (en) * | 2020-10-19 | 2021-01-22 | 上海沪工汽车电器有限公司 | Automobile central junction box test system |
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