CN208421123U - A kind of high density electrical connector assembly short-circuit test device - Google Patents
A kind of high density electrical connector assembly short-circuit test device Download PDFInfo
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- CN208421123U CN208421123U CN201821247397.4U CN201821247397U CN208421123U CN 208421123 U CN208421123 U CN 208421123U CN 201821247397 U CN201821247397 U CN 201821247397U CN 208421123 U CN208421123 U CN 208421123U
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Abstract
The utility model relates to a kind of high density electrical connectors to assemble short-circuit test device comprising: connector, for matching with tested connector, being tested connector has multiple pins；One input circuit of multiselect, with single channel input terminal and with the matched multiple output ends of pin phase amount；One output circuit of multiselect has the multiple input terminals and single channel output end to match with pin；Processing module is connected with single channel input terminal and single channel output end respectively, and for controlling multiple output end outputs, input signal and the multiple output ends of control export output signal all the way to processing module all the way；First display module receives processing module signal and is used to show the circuit state message constituted by the input signal all the way of tested any two pin of connector with output signal all the way.The utility model can rapidly and accurately detect the location of short circuit of connector, can increase substantially debugging efficiency, reduce potential faults, improve product quality.
Description
Technical field
The utility model belongs to electronic component detection technique field more particularly to a kind of practical high density electrical patches
Part assembles short-circuit test device.
Background technique
With the rapid development of electronic technology, requirement of the Avionic Products to miniaturization is also higher and higher, therefore navigating
Generally using high density electrical connector to solve miniaturization issues in empty electronic product.
High density electrical connector is a kind of tested connector (integrated chip) socket, with many pins (Pin).It is high
Since pad spacing is small, thus in welding, the pin of connector is easy to happen short circuit to density connector.Due to the pipe of connector
Foot density is higher, once short circuit occurs, it is difficult to observe by the naked eye discovery.Therefore hold in the production process of Avionic Products
Easily there is assembly short circuit phenomenon, causes Avionic Products to break down in debugging process, commissioning staff is after having found failure
It needs further exist for checking it solution.
At present for the high density connector solder shorts problem of miniaturization, the solution of commissioning staff usually has two
Kind.First is that observe solder joint one by one under high magnified glass, but such method time-consuming, work long hours after, human eye fatiguability is made
At careless omission, and whether solder joint is that rosin joint can not be observed and be obtained, reliability is not high；Second is that being measured one by one by avometer/multimeter
Whether solder joint is short-circuit between any two, such method high reliablity, but takes a long time.Meanwhile in practical application, on a connector
It might have multiple grounding points, and when these grounding points are measured using avometer is all short circuit, it is consistent with solder shorts performance, because
This also need with design drawing measurement of comparison, whether be that solder shorts still design short circuit to obtain.
Utility model content
The purpose of the utility model is to provide a kind of high density electrical connectors to assemble short-circuit test device, can be to highly dense
The electric connector of degree carries out quickly and reliably short-circuit test, to improve debugging efficiency and product quality.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of high density electrical connector assembly is short
Road test device, which is characterized in that the test device includes
Connector, the connector are used to match with tested connector, and the tested connector has multiple pins；
One input circuit of multiselect, one input circuit of multiselect have single channel input terminal and flux matched with the pin number of phases
Multiple output ends；
One output circuit of multiselect, one output circuit of multiselect have the multiple input terminals and list to match with the pin
Road output end；
Processing module, the processing module are connected with the single channel input terminal and single channel output end respectively, the processing mould
For controlling the multiple output end output, input signal and the multiple output end of control export output signal all the way to block all the way；
First display module, first display module receive the processing module signal, pass through the quilt for showing
Survey the circuit state message that the input signal all the way of any two pin of connector is constituted with output signal all the way.
Further, the number of pin is no less than 100.
Further, one input circuit of multiselect includes multiple multiple selector, and multiple multiple selector have
Identical input terminal and multiple multiple selector parallel connections, the output end quantity of multiple multiple selector is no less than described
Number of pin and it is connected with the connector pin.
Further, one output circuit of multiselect includes multiple multiple selector, multiple multiple selector it is defeated
Enter to hold quantity to be no less than the number of pin and be connected with the connector pin, multiple multiple selector are having the same
Output end and multiple multiple selector parallel connections.
Further, the circuit state message includes short circuit information and open circuit information.
Further, the processing module includes D/A converter module, for by the output signal of one output circuit of multiselect
It is converted into digital signal.
Further, the processing module includes the first memory module, and first memory module is for storing the quilt
Survey the pin wiring information of connector.
Further, the test device further includes the storage circuit of the second memory module of the second memory module and driving,
The storage circuit is connected to the processing module, and second memory module is for storing measurement result information.
Further, the test device further includes the second display module, and second display module is for showing measurement
As a result the result to compare with pin wiring information judges information.
Further, the test device further includes alarm module, and the alarm module is used to be judged according to the result
Delivering alarm prompt.
The high density electrical connector assembly short-circuit test device of the utility model can be applied to high density connector, multicore
The electrical assembly test of cable, debugging technique field, rapidly and accurately detect the location of short circuit of connector, can significantly mention
High adjustment efficiency reduces potential faults, improves product quality.By increasing in one input circuit of multiselect and one input circuit of multiselect
Multiple selector, improve number of pin and then make it is suitable for disciplining more connector to be measured, have it is easy to operate,
Easy to use, low in cost, scalability is strong, can the wide feature of promoted extension.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets the utility model
Embodiment, and be used to explain the principles of the present invention together with specification.
Fig. 1 is the high density electrical connector short-circuit test device functional block diagram of the utility model；
Fig. 2 is one circuit diagram of multiselect；
Specific embodiment
To keep the purposes, technical schemes and advantages of the utility model implementation clearer, below in conjunction with the utility model
Attached drawing in embodiment, is further described in more detail the technical scheme in the embodiment of the utility model.
Connector is called connector, is a kind of electronic component with many pins.Along with the miniaturization of connector,
Its pin densities also increases the welding difficulty of pin while increasing.In order to examine the welding quality of pin, this is practical new
Type by design a test device traverse automatically tested connector is installed after the resistance value between stitch two-by-two, by this resistance value and
Short-circuit resistance threshold value is made comparisons, while being compared with the connector signal definition table being stored in inside device, if all correct,
Test good result is provided, if there is exception, lists the position of short-circuit stitch on a display screen.
For this purpose, the technical solution of the utility model is as shown in Figure 1, the high density electrical connector assembly of the utility model is short
Road test device includes: that connector 10, one input circuit 20 of multiselect, one output circuit 30 of multiselect, processing module 40 and first are aobvious
Show module 51.Connector 10 is used to match with tested connector and use, and tested connector has multiple pins, in certain situations
Under, supervisor's quantity of connector 10 and tested connector can be inconsistent, but plug connector 10 need to have plug connector no less than to be measured
The jack of number of pin, being tested connector at this time can still match using the function of playing tested connector with connector 10.Multiselect
One input circuit 20 have single channel input terminal and with the matched multiple output ends of pin phase amount, one output circuit 30 of multiselect has
The multiple input terminals and single channel output end to match with pin, the number of terminals and number of pins of multiple output ends and multiple input terminals
Measure it is identical, under normal circumstances, number of pin divide equally in multiple output ends and multiple input terminals.Processing module 40 is defeated with single channel respectively
Enter end to be connected with single channel output end, exports any road input signal and the multiple output end outputs of control for controlling multiple output ends
Any road output signal.The signal that first display module, 51 receiving processing module is sent, for showing through connector 10 and quilt
After survey connector is coupled, the circuit state constituted from two pins after any road input signal and any road output signal is believed
Breath.
Wherein, foregoing circuit status information includes short circuit information and open circuit information.For plug connector 10, due to welding
Quality is not added, and welds not firm and causes to open a way it is possible that will appear, it is also possible to since scolding tin excessively causes adjacent pin to weld
The case where together short-circuit, the first display module passes through display above- mentioned information, can be easy to understand connector 10.
In the utility model, one input circuit of multiselect, 20 schematic diagram, one input circuit 20 of multiselect includes multiple multi-path choices
Device, multiple selector are called N and select 1 selector 21, and multiple N select the input terminal having the same of 1 selector 21 and multiple N select 1 selection
Device 21 is in parallel, and multiple N select the output end quantity of 1 selector 21 to be no less than number of pin and be connected with connector pin.Such as Fig. 2 institute
Showing, three N select 1 selector 21 to be arranged in parallel, identical Test input signal T1 is received, and believed by the selection that processing module issues
After number X1 is handled via data latches 22, send N to and select 1 selector, by after enabled selection 23 for selecting three N to select 1
Any N in selector selects the output pin of 1 selector, to realize any input of multiple output ends.
Similar to one input circuit 20 of multiselect, one output circuit 30 of multiselect includes that multiple N select 1 selector, and multiple N select 1 choosing
The input terminal quantity for selecting device 30 is no less than number of pin and is connected with 10 pin of connector, and multiple N select 1 selector having the same
Output end and multiple N select 1 selector in parallel.Any N may be selected by the selection signal X2 that receiving processing module issues and select 1 selection
Any output pin in device realizes the return of test output signal T2.
In the above-described embodiments, common N selects 1 selector 21 usually 41 data selector, 8 to be selected to select 1 data selector,
It can be made to adapt to the plug connector of more multi-pipe pin by multiple multiple multiple selector of setting in parallel, N selects 1 selector 21 in Fig. 2
It is only schematic to export number, does not represent it and is exported as 5 tunnels.
It should be noted that number of pin is no less than 100 in the present invention, for this purpose, if selecting 81 data is selected to select
It selects device and is then no less than 14, is i.e. one input circuit 20 of multiselect and one output circuit 30 of multiselect is 7 (unilateral side 56), if selecting 4
1 data selector is selected, then one input circuit 20 of multiselect and one output circuit 30 of multiselect are 13 (unilateral side 52).
In the present invention, processing module 40 includes D/A converter module 41, and D/A converter module 41 is used for multiselect
The output signal of one output circuit 30 is converted into digital signal, and digital signal can facilitate processing module 40 to its advance ratio to, place
The operation such as reason.
In addition, processing module 40 further includes the first memory module 42, the first memory module 42 for store connector 10 and/
Or the pin wiring information of tested connector.The pin wiring information that processing module 40 passes through calling the first memory module 42 storage
With the test output signal T2 after digital-to-analogue conversion, that is, can determine whether to be exported by any input terminal of one input circuit of multiselect 20 and multiselect one
Whether the circuit that any output end of circuit 30 is constituted meets the requirements, and passes through the traversal each input terminal of one input circuit of multiselect 20 and more
The circuit for selecting each output end of an output circuit 30 to constitute can judge whether all pins of contact 10 weld normally.
In the present invention, test device further includes the second memory module 60 and the storage electricity for driving the second memory module
Road, storage circuit are connected to processing module 40, and the second memory module 60 is for storing measurement result information.
Above-mentioned second memory module 60 and its driving circuit can be the respective drive of SD storage card and driving SD storage card
Circuit.
In the present invention, test device further includes the second display module 52, and the second display module 52 is surveyed for showing
The result that amount result and pin wiring information compare judges information.Specifically, measurement result is any input as described above
The make-and-break status information for the circuit that end and any output end are constituted, and pin wiring information is then patching under normal operating conditions
The pin channel status information of part 10 or tested connector, by the information of both comparisons, you can get it 10 pin of connector
It whether normal welds.
It should be noted that the first display module 51 and the second display module 52 can be two different display devices,
It can also also be the different display areas of same display device 50.
In the preferred embodiment in the utility model, test device further includes alarm module 70, and alarm module 70 is used for basis
As a result judge delivering alarm prompt.Specifically, alarm module 70 can be a buzzer, when processing module 40 judges connector
When having improper pin in 10, buzzer can alarm, and prompt tester.
The high density electrical connector assembly short-circuit test device of the utility model can be applied to high density connector, multicore
The electrical assembly test of cable, debugging technique field, rapidly and accurately detect the location of short circuit of connector, can significantly mention
High adjustment efficiency reduces potential faults, improves product quality.By increasing in one input circuit of multiselect and one input circuit of multiselect
Multiple selector, improve number of pin and then make it is suitable for disciplining more connector to be measured, have it is easy to operate,
Easy to use, low in cost, scalability is strong, can the wide feature of promoted extension.
The above, the only optimal specific embodiment of the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with
Subject to the scope of protection of the claims.
Claims (10)
1. a kind of high density electrical connector assembles short-circuit test device, which is characterized in that the test device includes
Connector, the connector are used to match with tested connector, and the tested connector has multiple pins；
One input circuit of multiselect, one input circuit of multiselect have single channel input terminal and matched more with the pin phase amount
A output end；
One output circuit of multiselect, one output circuit of multiselect have the multiple input terminals to match with the pin and single channel defeated
Outlet；
Processing module, the processing module are connected with the single channel input terminal and single channel output end respectively, and the processing module is used
In controlling the multiple output end output, input signal and the multiple output end of control export output signal all the way all the way；
First display module, first display module receive the processing module signal, connect for showing by described be tested
The circuit state message that the input signal all the way of any two pin of plug-in unit is constituted with output signal all the way.
2. high density electrical connector according to claim 1 assembles short-circuit test device, which is characterized in that the pin
Quantity is no less than 100.
3. high density electrical connector according to claim 1 assembles short-circuit test device, which is characterized in that the multiselect
One input circuit includes multiple multiple selector, multiple multiple selector input terminals having the same and multiple multichannels
Selector is in parallel, the output end quantity of multiple multiple selector be no less than the number of pin and with the connector pin
It is connected.
4. high density electrical connector according to claim 3 assembles short-circuit test device, which is characterized in that the multiselect
One output circuit includes multiple multiple selector, and the input terminal quantity of multiple multiple selector is no less than the number of pin
And be connected with the connector pin, multiple multiple selector output ends having the same and multiple multiple selector
It is in parallel.
5. high density electrical connector according to claim 1 assembles short-circuit test device, which is characterized in that the circuit
Status information includes short circuit information and open circuit information.
6. high density electrical connector according to claim 1 assembles short-circuit test device, which is characterized in that the processing
Module includes D/A converter module, for converting digital signal for the output signal of one output circuit of multiselect.
7. high density electrical connector according to claim 1 assembles short-circuit test device, which is characterized in that the processing
Module includes the first memory module, and first memory module is used to store the pin wiring information of the tested connector.
8. high density electrical connector according to claim 1 assembles short-circuit test device, which is characterized in that the test
Device further includes the second memory module and the storage circuit for driving the second memory module, and the storage circuit is connected to the processing
Module, second memory module is for storing measurement result information.
9. high density electrical connector according to claim 1 assembles short-circuit test device, which is characterized in that the test
Device further includes the second display module, and second display module is used to show what measurement result and pin wiring information compared
As a result judge information.
10. high density electrical connector according to claim 9 assembles short-circuit test device, which is characterized in that the survey
It further includes alarm module that trial assembly, which is set, and the alarm module is used to judge delivering alarm prompt according to the result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821247397.4U CN208421123U (en) | 2018-08-03 | 2018-08-03 | A kind of high density electrical connector assembly short-circuit test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821247397.4U CN208421123U (en) | 2018-08-03 | 2018-08-03 | A kind of high density electrical connector assembly short-circuit test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208421123U true CN208421123U (en) | 2019-01-22 |
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ID=65124224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821247397.4U Active CN208421123U (en) | 2018-08-03 | 2018-08-03 | A kind of high density electrical connector assembly short-circuit test device |
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| CN (1) | CN208421123U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929565A (en) * | 2020-08-12 | 2020-11-13 | 上海龙旗科技股份有限公司 | Test circuit board opens short-circuit device |
| CN113391189A (en) * | 2021-05-21 | 2021-09-14 | 深圳莱宝高科技股份有限公司 | Circuit for locating fault location of high density circuit and fault testing method |
-
2018
- 2018-08-03 CN CN201821247397.4U patent/CN208421123U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929565A (en) * | 2020-08-12 | 2020-11-13 | 上海龙旗科技股份有限公司 | Test circuit board opens short-circuit device |
| CN113391189A (en) * | 2021-05-21 | 2021-09-14 | 深圳莱宝高科技股份有限公司 | Circuit for locating fault location of high density circuit and fault testing method |
| CN113391189B (en) * | 2021-05-21 | 2023-03-31 | 深圳莱宝高科技股份有限公司 | Circuit for locating fault location of high density circuit and fault testing method |
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