CN106597248B - A kind of jigsaw detection device - Google Patents
A kind of jigsaw detection device Download PDFInfo
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- CN106597248B CN106597248B CN201510676111.9A CN201510676111A CN106597248B CN 106597248 B CN106597248 B CN 106597248B CN 201510676111 A CN201510676111 A CN 201510676111A CN 106597248 B CN106597248 B CN 106597248B
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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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Abstract
The invention discloses a kind of jigsaw detection device and systems, including the detection rack being connected by the first connection circuit and data processing circuit；Detection rack includes for carrying the second conductive component for detecting signal loading point on n circuit-under-test plate of the bracket of n circuit-under-test plate and connection on n the first conductive component, connection circuit-under-test plate of acquisition signal acquisition point；On second conductive component load detection signal to n circuit-under-test plate；First conductive component obtains acquisition signal from the collection point of n circuit-under-test plate, sends acquisition signal to data processing circuit by the first connection circuit；Data processing circuit is used to send detection signal to detection rack by the first connection circuit and receives acquisition signal, is handled acquisition signal to obtain processing result, and export processing result.Jigsaw detection device and system of the present invention reduce the time required for detection, improve the efficiency of jigsaw detection.
Description
Technical field
The present invention relates to jigsaw detection technique field, especially a kind of jigsaw detection device.
Background technique
There are many keypad and IR receiver board quantity of all kinds of types produced at present, the key by taking keypad as an example, on plate
Number is excessive, needed when employee tests one by one key press down and test, speed is slow, low efficiency.When production quantity compared with
When certain more plank, usually requires to transfer more employees and test, increase cost of labor.
And wire rod needs to change plate plug when testing, plug is too frequent, and wire rod is easily damaged, and need to often replace, and increases wire rod
Cost.
Summary of the invention
The purpose of the present invention is to provide a kind of jigsaw detection devices, can be realized and fast and efficiently examine to jigsaw
It surveys.
To solve the above problems, the present invention provides a kind of jigsaw detection devices, comprising:
The detection rack and data processing circuit being connected by the first connection circuit；Detecting rack includes for carrying n
N the first conductive component, the connection quilt of signal acquisition point are acquired on the n circuit-under-test plate of bracket and connection of a circuit-under-test plate
The second conductive component of signal loading point is detected on slowdown monitoring circuit plate；The load of second conductive component detects signal to n circuit-under-test
On plate；First conductive component obtains acquisition signal from the collection point of n circuit-under-test plate, sends acquisition by the first connection circuit
Signal is to data processing circuit；Data processing circuit is used to send detection signal to detection rack by the first connection circuit and connect
Acquisition signal is received, acquisition signal is handled to obtain processing result, and export processing result；Wherein, n is greater than or equal to
2 integer.
Wherein, on the second conductive component load detection signal to n circuit-under-test plate, refer to that data processing circuit passes through the
One connection circuit, the second conductive component send detection signal to n circuit-under-test plate；It is obtained from the collection point of n circuit-under-test plate
Signal must be acquired, refers to the acquisition signal for successively obtaining corresponding each circuit-under-test plate from the collection point of n circuit-under-test plate.
Wherein, the detection signal loading point of each circuit-under-test plate includes at least the first load(ing) point and the second load(ing) point, adopts
Collect signal collection point between the first load(ing) point and the second load(ing) point, the first load(ing) point, the second load(ing) point and collection point it
Between be detected element.
Wherein, the first conductive component includes at least signal acquisition port interconnected and the first conductive thimble；Signal is adopted
Collection port connect circuit with first and is connected, and the first conductive thimble is connected with the collection point of n circuit-under-test plate.
Wherein, the second conductive component connecting with the first load(ing) point includes at least first resistor interconnected and second and leads
Electric thimble, first resistor connect circuit with first and are connected, and the second conductive thimble is connected with the first load(ing) point；With the second load
Second conductive component of point connection includes at least key switch interconnected and third conduction thimble, and key switch and first connect
It connects circuit to be connected, third conduction thimble is connected with the second load(ing) point.
Wherein, data processing circuit include acquisition signal receiving end, multiplexer, the first shift register, processor,
Converter, data storage, the second shift register, display；Signal receiving end is acquired to be used for through the first connection circuit
Receive acquisition signal；
Multiplexer is connected via the first shift register with processor, and under the control of processor, will adopt
The acquisition signal of collection signal receiving end carries out timesharing sequential processes and is sent to converter；Converter will be for that will pass through timesharing
The acquisition signal processing of sequential processes at the first digital signal and is sent to processor；Processor is used for through the first connection circuit
Detection signal is sent to rack is detected, is connected with data storage, the comparative information in data storage is obtained, processor will
The first digital signal and comparative information that the converter is sent compare processing, and processing result is passed through the second displacement
Register is sent to display.
Wherein, display is sent via the second shift register by processing result to show, refer to over the display
It is shown as Y or N, represents the test result of n circuit-under-test plate, Y represents the part that circuit-under-test plate is tested to be allowed in error
Within the scope of, N represents circuit-under-test plate institute part of detecting, and there are failures.
Wherein, data processing circuit includes buzzer and triode, and buzzer is connected by triode with processor, is handled
Device control buzzer exists for sounding the alarm when the test result of N over the display.
The beneficial effects of the present invention are: being in contrast to the prior art, jigsaw detection device of the present invention is led by first
Electrical component obtains acquisition signal from the collection point of n circuit-under-test plate, sends acquisition signal to data by the first connection circuit
Processing circuit reduces the time required for detection, improves the efficiency of jigsaw detection.
Figure of description
Fig. 1 is the structural schematic diagram of jigsaw detection device first embodiment of the present invention；
Fig. 2 is the structural schematic diagram of jigsaw detection device second embodiment of the present invention；
Fig. 3 is the detection rack equivalent circuit schematic of jigsaw detection device second embodiment of the present invention；
Fig. 4 is the structural schematic diagram of jigsaw detection device 3rd embodiment of the present invention；
Fig. 5 is the structural schematic diagram of jigsaw detection device fourth embodiment of the present invention；
Fig. 6 is that jigsaw detection device fourth embodiment display of the present invention exports schematic diagram when failure is not detected；
Fig. 7 is that jigsaw detection device fourth embodiment display of the present invention exports schematic diagram when detecting failure.
Specific embodiment
As shown in Figure 1, jigsaw detection device first embodiment of the present invention, comprising:
The detection rack 12 and data processing circuit 13 being connected by the first connection circuit 11；Detecting rack 11 includes using
In the first conductive component for acquiring signal acquisition point on the n circuit-under-test plate of bracket 121 and connection for carrying n circuit-under-test plate
122, the second conductive component 123 that signal loading point is detected on n circuit-under-test plate is connected；The load inspection of second conductive component 123
It surveys on signal to n circuit-under-test plate；First conductive component 122 obtains acquisition signal from the collection point of n circuit-under-test plate, leads to
It crosses the first connection circuit 11 and sends acquisition signal to data processing circuit 13；Data processing circuit 13 is used for through the first connection electricity
Road 11 sends detection signal to detection rack 12 and receives acquisition signal, is handled acquisition signal to obtain processing result,
And export processing result；Wherein, n is greater than or equal to 2 integer.
In use, data processing circuit 13, which will test signal, is sent to the of detection rack 12 by the first connection circuit 11
Two conductive groups 123, the second conductive group 123 will test the detection signal loading point of signal loading Yu n circuit-under-test plate, and first leads
Electrical component 122 obtains acquisition signal from the collection point of n circuit-under-test plate, is sent at data by the first connection circuit 111
Circuit 13 is managed, data processing circuit 13 is handled to obtain processing result to the acquisition signal received, and exports processing result.
The jigsaw detection device can be used for detection IR plate for detecting keypad.
In jigsaw detection device first embodiment of the present invention, the second conductive component 123 load detection signal is a tested to n
On circuit board, refer to that data processing circuit logical 13 crosses the first connection circuit 11, the second conductive component 123 sends detection signal to n
A circuit-under-test plate；Acquisition signal is obtained from the collection point of n circuit-under-test plate, refers to successively adopting from n circuit-under-test plate
Collection point obtains the acquisition signal of corresponding each circuit-under-test plate.
The detection signal loading point of each circuit-under-test plate includes at least the first load(ing) point and the second load(ing) point, acquires signal
Collection point be between the first load(ing) point and the second load(ing) point, between the first load(ing) point, the second load(ing) point and collection point by
Survey element, i.e. circuit-under-test plate.
Implementation through the foregoing embodiment, the first conductive component 122 obtain acquisition letter from the collection point of n circuit-under-test plate
Number, the acquisition signal of n circuit-under-test plate (partial circuit) is once obtained, reduces the number of acquisition, makes the work of staff
Work amount reduction, then acquisition signal is sent to data processing circuit 13 by the first connection circuit 11, reduce required for detection
Time improves the efficiency of jigsaw detection.
As shown in Figures 2 and 3, jigsaw detection device second embodiment of the present invention, in jigsaw detection device first of the present invention
On the basis of embodiment, the first conductive component 222 includes at least signal acquisition port 2221 (being not drawn into Fig. 3) interconnected
With the first conductive thimble 2222 (being not drawn into Fig. 3)；Signal acquisition port 2221 connect circuit 21 with first and is connected, and first leads
Electric thimble 2222 is connected with the collection point of n circuit-under-test plate.And the second conductive component 223 being connect with the first load(ing) point to
It less include first resistor interconnected 2231 and the second conductive thimble 2232 (being not drawn into Fig. 3), first resistor 2231 and the
One connection circuit 21 is connected, and the second conductive thimble 2232 is connected with the first load(ing) point.
The conductive group of second connect with the second load(ing) point 223 includes at least key switch 2233 interconnected and third
Conductive thimble 2234 (being not drawn into Fig. 3), key switch 2233 connect circuit 21 with first and are connected, third conduction thimble 2234
It is connected with the second load(ing) point.
In Fig. 3 equivalent replacement is carried out to each element of circuit-under-test plate with corresponding resistance, made in jigsaw detection device
Used time, the detection signal of the first load(ing) point load high voltage, the second load(ing) point load low-voltage or earthing detection signal, first
Resistance 2231 plays the role of pull-up in the detection process, i.e., in the case where key switch 2231 is pressed not yet, from each
The voltage value that a circuit-under-test plate collection point detects is the voltage value for the detection signal that the first load(ing) point is loaded, and works as key
When switch 2231 is pressed, successively from the collection point with partial circuit corresponding to the key switch 2231 of each circuit-under-test plate
Collect different acquisition signals.From figure 3, it can be seen that key switch 2231 and more than one set, and three groups drawn in figure
Also it is intended merely to conveniently clearly express its principle, three groups is not limited in practical application.
As shown in figure 4, jigsaw detection device 3rd embodiment of the present invention, in jigsaw detection device second embodiment of the present invention
On the basis of, data processing circuit 33 include acquisition signal receiving end 331, multiplexer 332, the first shift register 333,
Processor 334, converter 335, data storage 336, the second shift register 337, display 338；
Multiplexer 332 is data selector, for the acquisition signal multiplexing of n input channel is logical to an output
On road；In digital circuit, shift register (shift register) is a kind of to work under several same time pulses
Device based on trigger, data are input in the device in a manner of concurrently or sequentially, then each time pulse according to
It is secondary to the left or to move right a bit, it is exported in output end；The effect of converter 335 is to be converted into measured voltage
Corresponding numerical value, single-chip microcontroller can carry out operation, judgement and control processing accordingly.
Acquisition signal receiving end 331, which is used to connect 31 receipts by the first connection circuit, acquires signal；
Multiplexer 332 is connected via the first shift register 333 with processor 334, and in the control of processor 334
Under system, the acquisition signal for acquiring signal receiving end 331 is subjected to timesharing sequential processes and is sent to converter 335, AD turns
Parallel operation 335 is used to the acquisition signal processing Jing Guo timesharing sequential processes at the first digital signal and being sent to processor 334；Place
Device 334 is managed to be used to be connected by the first connection transmission of circuit 31 detection signal to detection rack 32 with data storage 336,
The comparative information in data storage 336 is obtained, the first digital signal and comparison that processor 334 sends converter 335
Information compares processing, and sends display 338 by the second shift register 337 for processing result；The present embodiment is also
Provided with D.C. regulated power supply 339, for powering to processor 334.
Timesharing sequential processes refer to, shift register is controlled using microcontroller serial port mode 0 so as to data at
Reason.It is multiple that multiplexer 332 can according to need setting, and it is multiple only to depict a level-one multichannel for convenience of explanation, in Fig. 3
With device 3321 and a second stages of multiplexers 3322,3 level-one multiplexers 3321 and a second level are provided again herein
The citing of multiplexer 3322: processor 334 passes through the first shift register 333 of control and carries out sealing in and going out for data, right
The signal come in from 3 inputs of level-one multiplexer 3321 and 1 second stages of multiplexers 3322 carries out timesharing acquisition order,
Multichannel analog signals (and acquisition signal) are changed into the signal all the way of timesharing Sequential output；Level-one multiplexer 3321 is 16
1 analog switch is selected, output port is connected respectively in 0,1,2 channel CHANNEL I/O of second stages of multiplexers 3322,
The chip select terminal and choosing of the chip select terminal of level-one multiplexer 3321 and address choice passway and second stages of multiplexers 3322
It selects control terminal and is connected respectively to the first shift register 333, by the algorithm design alternative of software, will be answered from 3 level-one multichannels
The acquisition signal that the road the 3*16 acquisition come in the input of device 3321 carries out timesharing sequential processes as 1 road signal, and passes through second level
The selection of multiplexer 3322 chooses the access, and the AD for being connected to converter 335 inputs 0 port.
In the detection process, by next key switch 32, signal acquisition port 3221 is to n circuit-under-test plate (part
Circuit) the resistive voltage value of the same position traversed (to the resistive voltage value of the same position of n circuit-under-test plate
Successively it is acquired), acquisition signal receiving end 331 receives the road n by the first connection circuit 31 and acquires signal, and is sent to one
A level-one multiplexer 3321；Another key switch 32 is pressed again, repeats above-mentioned process, another level-one multichannel is multiple
The road n acquisition signal has been obtained with device 3321；It repeats the above process, another level-one multiplexer 3321 has obtained the acquisition of the road n
Signal.Three level-one multiplexers 3321 acquire the road n in the case where processor 334 is via the control of the first shift register 333
Signal multiplexing Cheng Sanlu signal is simultaneously output to second stages of multiplexers 3322 (each level-one multiplexer 3321 will be obtained respectively
Signal multiplexing at all the way), second stages of multiplexers 3322 again in processor 334 via the control of the first shift register 333
Tri- road signal multiplexing of Xia Jiang is at signal all the way and issues converter 335, and converter 335 will signal be (here all the way all the way
The signal being previously mentioned before signal and this section all refers to analog signal) it is converted into digital signal and is sent to processor 334, locate
Obtained digital signal is compared and is handled with the comparative information in data storage 336 by reason device 334, and by processing result
Display 338 is sent to by the second shift register 337.Signal acquisition port 3221 is from the collection point of n circuit-under-test plate
Acquisition signal is obtained, once obtains the acquisition signal of n circuit-under-test plate (partial circuit), and be provided with pressing for fair amount
Key switch 32 reduces the number of acquisition, reduces the workload of staff, then sends acquisition by the first connection circuit 11
Signal to data processing circuit 13 is handled, and the time required for detection is reduced, and improves the efficiency of jigsaw detection；And
Pass through when test while measuring multiple circuit-under-test plates, reduce plug when wire rod changes plate, reduces plug frequency, damage wire rod
Depletion is few, reduces wire rod cost.Multiple second level multiplex electronics 3322 and therewith phase can also be set in the present embodiment
Level-one multiplex electronics 3321 even, the detection for IR plate.
Jigsaw detection device fourth embodiment of the present invention, on the basis of jigsaw detection device 3rd embodiment of the present invention,
Referring to figure 5 and figure 6, the data of m row n column are shown as on display 438, m is the group number of key switch, and n is circuit-under-test plate
Number, every group of data are made of numeral and letter, and it is that number represents for which block circuit-under-test plate, letter have Y and two kinds of N it is aobvious
Show, Y represents part that circuit-under-test plate is tested within allowable range of error, and N represents circuit-under-test plate institute part of detecting and deposits
In failure；As shown in fig. 7, data processing circuit 43 further includes buzzer 430 and triode 440, buzzer 430 passes through triode
440 are connected with processor 434, and processor 434 controls the sending when existing for the test result of N on display 438 of buzzer 430
Alarm song.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (3)
1. a kind of jigsaw detection device, including the detection rack being connected by the first connection circuit and data processing circuit；
The detection rack includes acquiring on the n circuit-under-test plate for carrying the bracket of n circuit-under-test plate and connecting
First conductive component of signal acquisition point connects the second conductive component that signal loading point is detected on the n circuit-under-test plate；
Second conductive component loads on the detection signal to the n circuit-under-test plate；
First conductive component obtains acquisition signal from the collection point of the n circuit-under-test plate, passes through described first
It connects circuit and sends the acquisition signal to the data processing circuit；
The data processing circuit includes acquisition signal receiving end, multiplexer, the first shift register, processor, AD turns
Parallel operation, data storage, the second shift register, display；
The acquisition signal receiving end is used to receive the acquisition signal by the first connection circuit；
The multiplexer is connected via first shift register with the processor, and in the control of the processor
Under system, the acquisition signal of the acquisition signal receiving end is subjected to timesharing sequential processes and is sent to the AD conversion
Device；
The converter is at the first digital signal and sending the acquisition signal processing by timesharing sequential processes
To the processor；
The processor is connected with the data storage, for sending the detection signal by the first connection circuit
To the detection rack, the comparative information in the data storage is obtained, the processor sends the converter
First digital signal and the comparative information compare processing, and processing result is passed through second shift register
It is sent to the display；
The data processing circuit be used to send by the first connection circuit the detection signal to the detection rack with
The acquisition signal is received, the acquisition signal is handled to obtain processing result, and export the processing result；
Wherein, the n is greater than or equal to 2 integer, and the jigsaw detection device is for detecting keypad；
Second conductive component loads on the detection signal to the n circuit-under-test plate, refers to the data processing electricity
Road sends the detection signal to the n circuit-under-test plate by the first connection circuit, second conductive component；
The collection point from the n circuit-under-test plate obtains acquisition signal, refers to successively from the n circuit-under-test plate
Collection point obtains the acquisition signal of corresponding each circuit-under-test plate；
The detection signal loading point of each circuit-under-test plate includes at least the first load(ing) point and the second load(ing) point, described
The collection point of signal is acquired between first load(ing) point and the second load(ing) point, first load(ing) point, the second load(ing) point
It is detected element between the collection point；
First conductive component includes at least signal acquisition port interconnected and the first conductive thimble；The signal acquisition
Port connect circuit with first and is connected, and the described first conductive thimble is connected with the collection point of the n circuit-under-test plate
It connects；
Second conductive component connecting with the first load(ing) point includes at least first resistor interconnected and the second conducting top
Needle, the first resistor connect circuit with described first and are connected, and the described second conductive thimble is connected with first load(ing) point
It connects；
Second conductive component connecting with the second load(ing) point includes at least key switch interconnected and third conducting top
Needle, the key switch connect circuit with described first and are connected, and the third conduction thimble is connected with second load(ing) point
It connects；
Wherein, in the detection process, by next key switch, same position of the signal acquisition port to n circuit-under-test plate
The resistive voltage value set is traversed, and the acquisition signal receiving end receives the road n acquisition letter by the first connection circuit
Number, and it is sent to multiplexer described in a level-one；Another key switch is pressed again, repeats above-mentioned process, it is another
Multiplexer described in a level-one has obtained the road n acquisition signal；It repeats the above process, another level-one multiplexer obtains
The road n acquires signal；Three level-one multiplexers are in the case where the processor is via the control of first shift register by the road n
Acquisition signal multiplexing Cheng Sanlu signal is simultaneously output to second stages of multiplexers, multiplexer described in second level again processor via
The tri- road signal multiplexing of control Xia Jiang of first shift register at signal all the way and issues the converter.
2. jigsaw detection device according to claim 1, which is characterized in that
It is described to send the display via second shift register for processing result and show, refer to described aobvious
Show and show Y or N on device, represent the test result of the n circuit-under-test plate, Y represents the portion that the circuit-under-test plate is tested
Divide within allowable range of error, N represents circuit-under-test plate institute part of detecting, and there are failures.
3. jigsaw detection device according to claim 2, which is characterized in that
The data processing circuit includes buzzer and triode, and the buzzer passes through the triode and the processor phase
Even, the processor controls the buzzer and exists for sounding the alarm when the test result of N on the display.
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| 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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| CN101937053A (en) * | 2010-07-30 | 2011-01-05 | 蚌埠依爱消防电子有限责任公司 | Device for automatically testing circuit board with microprocessor |
| CN102169149A (en) * | 2010-12-30 | 2011-08-31 | 东莞市长田电子有限公司 | Test circuit of key-press control panel |
| CN102163169A (en) * | 2010-12-30 | 2011-08-24 | 东莞市长田电子有限公司 | Testing device of keyboard type circuit board |
| CN201955409U (en) * | 2010-12-30 | 2011-08-31 | 东莞市长田电子有限公司 | Key control panel testing circuit |
| CN202421367U (en) * | 2011-12-19 | 2012-09-05 | 金宝电子（中国）有限公司 | Test bench for circuit boards |
| CN102636741A (en) * | 2012-04-27 | 2012-08-15 | 北京星河康帝思科技开发有限公司 | Method and system for testing circuit board |
| CN102967656A (en) * | 2012-11-09 | 2013-03-13 | 南京邮电大学 | Method for detecting crack damage of engineering structure by using Lamb wave energy transmission attenuation spectrum |
| CN103997644A (en) * | 2014-06-05 | 2014-08-20 | 广州朗国电子科技有限公司 | Automatic LCD TV control mainboard testing device |
| CN203894330U (en) * | 2014-06-18 | 2014-10-22 | 珠海市华晶微电子有限公司 | Multi-resistor testing device |
| CN104133137A (en) * | 2014-07-24 | 2014-11-05 | 上海镭隆科技发展有限公司 | Portable cable test device and method |
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