CN219871727U - Test board for testing open circuit and short circuit of module - Google Patents
Test board for testing open circuit and short circuit of module Download PDFInfo
- Publication number
- CN219871727U CN219871727U CN202320520108.8U CN202320520108U CN219871727U CN 219871727 U CN219871727 U CN 219871727U CN 202320520108 U CN202320520108 U CN 202320520108U CN 219871727 U CN219871727 U CN 219871727U
- Authority
- CN
- China
- Prior art keywords
- test
- led
- pins
- fpc
- connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 146
- 239000010902 straw Substances 0.000 claims description 4
- 238000003491 array Methods 0.000 claims description 3
- 230000008439 repair process Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model discloses a test board for testing open-circuit and short-circuit of a module, which comprises an FPC main connector, an FPC auxiliary connector, an LED test array and a power supply, wherein the LED test array comprises LEDs 1 and 2, and an LED15, wherein odd PINs of the FPC main connector are connected with a positive electrode of the power supply, even PINs of the FPC main connector are connected with a negative electrode of the power supply, PIN PINs i of the FPC main connector are connected with a positive electrode of a corresponding LED, a negative electrode of the LED is connected with PIN PINs i+1 of the FPC auxiliary connector, and the PIN PINs i of the FPC main connector are connected with PIN PINs i of the FPC auxiliary connector, wherein i=1, 3,5, and 29. By utilizing the LED test array, a user can quickly know the position of short circuit or disconnection, so that the later repair work is greatly facilitated, and customer complaints caused by delivery of unqualified products are prevented.
Description
Technical Field
The utility model relates to a module detection tool, in particular to a test board for testing open and short circuits of a module.
Background
At present, the design of the mobile phone module is divided into a main connector and an auxiliary connector. For a module factory, in the production process, the test function display and touch control functions only need to be used for a main connector, and an auxiliary connector is used when a subsequent customer is connected with a main board of the whole machine. Therefore, the two connectors must be conducted, and the two connectors are not allowed to be opened or shorted, otherwise, the function problem of the whole machine can be caused, the existing detection board can only detect whether faults occur, the specific circuit where the faults occur cannot be known, and the efficiency is low.
The Chinese patent publication CN204887695U discloses a reusable transfer FPC test board, which is characterized in that: the flexible circuit board comprises a flexible insulating substrate layer, a copper layer covering the flexible insulating substrate layer and a top layer covering film covering part of the copper layer; forming a golden finger on one surface of the main body of the flexible circuit board by a bare copper layer without coating a top layer covering film; the flexible circuit board is characterized in that a connector is arranged at one end, far away from the golden fingers, of the flexible circuit board, at least one pluggable golden finger is arranged at the other end of the flexible circuit board, the pluggable golden fingers are longitudinally connected in parallel, and no circuit is broken between two adjacent pluggable golden fingers, and copper is not exposed.
Obviously, this patent only relates to the utilization of the FPC test board, and does not solve the problem of how to find the failure point quickly.
Disclosure of Invention
Based on this, it is necessary to provide a test board for testing an open circuit and a short circuit of a module, the test board for testing an open circuit and a short circuit of a module includes an FPC main connector, an FPC sub-connector, an LED test array and a power supply, the odd PINs of the FPC main connector include PIN PINs 1, PIN PINs 3, PIN PINs 29, the even PINs of the FPC main connector include PIN PINs 2, PIN PINs 4, PIN PINs 30, the odd PINs of the FPC sub-connector include PIN PINs 1, PIN PINs 3, PIN PINs 29, the even PINs of the FPC sub-connector include PIN PINs 2, PIN PINs 4, PIN PINs 30, the LED test array include LED1, LED2, LED15, wherein the odd PINs of the FPC main connector are connected with PINs of the power supply, the even PINs of the FPC main connector are connected with the negative electrode of the power supply, the even PINs of the FPC main connector are connected with PINs of the positive electrode of the FPC sub-connector, PIN i is connected with PIN PINs of the corresponding LED sub-connector 1, PIN i is connected with PIN PINs of the positive electrode of the LED sub-connector, i is connected with PIN i, PIN i is connected with PIN i. The utility model provides a test board for testing an open circuit and a short circuit of a module, which utilizes an LED test array, so that a user can quickly know the position of the short circuit or the disconnection, the later repair work is greatly facilitated, and the customer complaints caused by the delivery of unqualified products are prevented.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a test board for testing open circuit and short circuit of module is characterized in that the test board for testing open circuit and short circuit of module comprises a main FPC connector, a sub-FPC connector, an LED test array and a power supply,
the odd PINs of the FPC host connector include PIN PINs 1, PIN PINs 3, PIN PINs 29,
the even PINs of the FPC host connector include PIN PINs 2, PIN PINs 4, PIN PINs 30,
the odd PINs of the FPC sub-connector include PIN PINs 1, PIN PINs 3, PIN PINs 29,
the even PINs of the FPC sub-connector include PIN PINs 2, 4, PIN PINs 30,
the LED test array comprises LEDs 1, 2, LED15,
wherein, the odd pins of the FPC main connector are connected with the positive electrode of the power supply, the even pins of the FPC main connector are connected with the negative electrode of the power supply,
the PIN i of the FPC main connector is connected with the positive electrode of the corresponding LED, the negative electrode of the LED is connected with the PIN i+1 of the FPC sub-connector, and the PIN i of the FPC main connector is connected with the PIN i of the FPC sub-connector, wherein i=1, 3,5,..29.
As a preferred implementation mode of the test board for testing the open circuit and the short circuit of the module, the LED test arrays are arranged linearly.
As a preferred implementation mode of the test board for testing the open circuit and the short circuit of the module, the LED test arrays are circumferentially arranged.
As a preferred embodiment of the test board for open-circuit and short-circuit of the test module provided by the utility model, the LEDs 1 and 2 of the LED test array are connected in series with a buzzer on a branch of the LED 15.
As a preferred embodiment of the test board for testing open circuit and short circuit of the module provided by the utility model, the LEDs 1 and 2 of the LED test array are connected in series with an adjustable resistor.
As a preferred implementation mode of the test board for testing the open circuit and the short circuit of the module, the LED is red.
As a preferred implementation mode of the test board for testing the open circuit and the short circuit of the module, the power supply is provided with a voltage regulator.
As a preferred implementation mode of the test board for testing the open circuit and the short circuit of the module, the LED test array is a patch type LED.
As a preferred implementation mode of the test board for testing the open circuit and the short circuit of the module, the LED test array is a straw hat type LED.
As a preferred implementation mode of the test board for testing the open circuit and the short circuit of the module, the LEDs 1 and 2 of the LED test array are connected in series with a language broadcasting module on a branch of the LED 15.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a test board for testing an open circuit and a short circuit of a module, which utilizes an LED test array, so that a user can quickly know the position of the short circuit or the disconnection, the later repair work is greatly facilitated, and the customer complaints caused by the delivery of unqualified products are prevented.
In addition, the LED test array is arranged linearly. The LED test array is provided with a mark on one side, so that a user can quickly know the place where the fault occurs.
In addition, the LED test array K3 is circumferentially arranged. The LED test array is provided with a mark on one side, so that a user can quickly know the place where the fault occurs.
In addition, a buzzer may be connected in series on a branch of the LED test array. With a buzzer, the user can be alerted by sound.
In addition, an adjustable resistor may be connected in series with the branches of the LED test array. By using the adjustable resistor, a user can adjust the brightness of the LED, and the comfort of the user is improved.
In addition, a language broadcasting module can be connected in series on a branch of the LED test array. By utilizing the language broadcasting module, a user can directly know the stitch with the fault through voice.
In addition, a voltage regulator may be provided on the power supply. With the voltage regulator, a user can adjust the brightness of the LED, and the comfort of the user is improved.
Drawings
In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a conventional FPC module;
FIG. 2 is a schematic diagram showing connection between a main FPC connector and a power supply of a test board for open-circuit and short-circuit of a test module according to the present utility model;
FIG. 3 is a schematic diagram showing electrical connection of the test board of the open-circuit and short-circuit of the test module of the present utility model;
FIG. 4 is a schematic view of a partial electrical connection of a test board of the open-circuit and short-circuit test module of the present utility model, in which a short-circuit occurs;
FIG. 5 is a schematic diagram of a perspective structure of an LED test array of a test board with an open circuit and a short circuit of the test module of the present utility model;
FIG. 6 is a schematic diagram of a perspective structure of another embodiment of an LED test array of the test board of FIG. 5 with the test module open-circuited;
FIG. 7 is a schematic diagram of a perspective structure of another embodiment of an LED test array of the test board of the test module of FIG. 6 with an open circuit;
FIG. 8 is a schematic diagram of electrical connections of a further embodiment of the test board of FIG. 3 with the test module open and shorted;
FIG. 9 is a schematic diagram of electrical connections of a further embodiment of a power supply for the test board of FIG. 2 with the test module open-circuited;
the labels in the figures are illustrated below: k1, FPC main connector; k2, FPC pair connector; k3, LED test array; k4, a power supply; k41, voltage regulator; m1, a buzzer; m2, an adjustable resistor; and M3, a language broadcasting module.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
As described in the background art, in the prior art, for the main connector and the auxiliary connector of the mobile phone module, whether the main connector and the auxiliary connector are conducted or not cannot be tested quickly and effectively, the product quality is affected, and customer complaints are easily caused.
In order to solve the technical problem, the utility model provides a test board for testing open and short circuits of a module, which comprises an FPC main connector K1, an FPC auxiliary connector K2 and an LED test array K3. The odd number PINs of the FPC host connector K1 include PIN PINs 1,3, &..pin PINs 29, and the even number PINs of the FPC host connector K1 include PIN PINs 2, 4, &..pin PINs 30. The odd PINs of the FPC sub-connector K2 include PIN PINs 1,3, and PIN PINs 29. The even PIN of this FPC sub-connector K2 includes PIN 2, PIN 4. The LED test array K3 comprises LEDs 1, 2, 15, wherein the odd pins of the FPC main connector K1 are connected with the positive pole of a power supply K4, and the even pins of the FPC main connector K1 are connected with the negative pole of the power supply K4. The PIN i of the FPC main connector K1 is connected with the positive pole of the corresponding LED, the negative pole of the LED is connected with PIN i+1 of the FPC sub-connector K2, and PIN i of the FPC main connector K1 is connected with PIN i of the FPC sub-connector K2, wherein i=1, 3,5,
through the structural design, the LED test array is utilized, so that a user can quickly know the position of a short circuit or disconnection, the later repair work is greatly facilitated, and customer complaints caused by delivery of unqualified products are prevented.
In order to better understand the solution of the present utility model, the following detailed description will describe the solution of the embodiment of the present utility model with reference to the accompanying drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, and thus the protection scope of the present utility model is more clearly and definitely defined.
It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Example 1
As shown in fig. 1, 2 and 3, the test board for open-circuit and short-circuit of the test module comprises an FPC main connector K1, an FPC sub-connector K2 and an LED test array K3.
The odd number PINs of the FPC host connector K1 include PIN PINs 1,3, &..pin PINs 29, and the even number PINs of the FPC host connector K1 include PIN PINs 2, 4, &..pin PINs 30.
The odd PINs of the FPC sub-connector K2 include PIN PINs 1,3, and PIN PINs 29. The even PIN of this FPC sub-connector K2 includes PIN 2, PIN 4.
The LED test array K3 contains LEDs 1, 2, LED15, which are red. The LEDs may be either patch type or straw hat type.
Wherein, the odd pin of the FPC main connector K1 is connected with the positive pole of a power supply K4, and the even pin of the FPC main connector K1 is connected with the negative pole of the power supply K4.
The PIN i of the FPC main connector K1 is connected with the positive pole of the corresponding LED, the negative pole of the LED is connected with the PIN i+1 of the FPC sub-connector K2, and the PIN i of the FPC main connector K1 is connected with the PIN i of the FPC sub-connector K2, wherein i=1, 3, 5.
As further described below.
As shown in fig. 3, PIN 1 of the FPC main connector K1 is connected with the positive electrode of the LED1, the negative electrode of the LED1 is connected with PIN 2 of the FPC sub-connector K2, PIN 1 of the FPC main connector K1 is connected with PIN 1 of the FPC sub-connector K2, and so on.
The working principle of the test board for open-circuit and short-circuit of the test module is described below.
After the power is energized, under normal conditions, LED1, LED2, LED3, LED 4.
As shown in fig. 4, if the LED1 is turned off, it is indicated that there is a short S between Pin 1 and Pin 2 of the FPC main connector K1, or Pin 1 of the FPC main connector K1 and Pin 1 of the FPC sub-connector K2 are disconnected, and so on.
By utilizing the LED test array, a user can quickly know the position of short circuit or disconnection, so that the later repair work is greatly facilitated, and customer complaints caused by delivery of unqualified products are prevented.
Example 2
Further optimization of the test board for open-circuit and short-circuit of the test module provided in embodiment 1, specifically, as shown in fig. 5, the LED test array K3 is arranged linearly.
In addition, a mark is arranged on one side of the LED test array K3, so that a user can quickly know the place where the fault occurs.
Example 3
Further optimization of the test board for open-circuit and short-circuit of the test module provided in embodiment 1, specifically, as shown in fig. 6, the LED test array K3 is arranged circumferentially. The LEDs are in the form of patches.
In addition, a mark is arranged on one side of the LED test array K3, so that a user can quickly know the place where the fault occurs.
As shown in fig. 7, the LED is straw hat type.
Example 4
Further optimizing the test board for open circuit and short circuit of the test module provided in embodiment 1 or 2, specifically, as shown in fig. 8, the LED1, LED2 of the LED test array K3, the branch of the LED15 is connected in series with a buzzer M1.
With this buzzer M1, the user can be alerted by sound.
Example 5
Further optimizing the test board for open circuit and short circuit of the test module provided in embodiment 1 or 2, specifically, as shown in fig. 8, the LED1, LED2 of the LED test array K3, LED15 has an adjustable resistor M2 connected in series with its branch.
With the adjustable resistor M2, a user can adjust the brightness of the LED, and the comfort of the user is improved.
Example 6
Further optimizing the test board for open circuit and short circuit of the test module provided in embodiment 1 or 2, specifically, as shown in fig. 8, the LED1 and LED2 of the LED test array K3 are connected in series with a language broadcasting module M3 on the branch of the LED 15.
By using the language broadcasting module M3, a user can directly know the failed stitch through voice.
Example 7
Further optimizing the test board for open circuit and short circuit of the test module provided in embodiment 1 or 2, specifically, as shown in fig. 9, the power supply K4 is provided with a voltage regulator K41.
With the voltage regulator K41, the user can adjust the brightness of the LED, improving the user's comfort.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.
Claims (10)
1. A test board for testing open circuit and short circuit of a module is characterized in that the test board for testing open circuit and short circuit of the module comprises an FPC main connector (K1), an FPC auxiliary connector (K2), an LED test array (K3) and a power supply (K4),
the odd PINs of the FPC host connector (K1) include PIN PINs 1, PIN PINs 3, PIN PINs 29,
the even PINs of the FPC host connector (K1) include PIN PINs 2, PIN PINs 4, PIN PINs 30,
the odd PINs of the FPC sub-connector (K2) include PIN PINs 1, PIN PINs 3, PIN PINs 29,
the even PINs of the FPC sub-connector (K2) include PIN PINs 2, PIN PINs 4, PIN PINs 30,
the LED test array (K3) comprises LEDs 1, 2, 15,
wherein,,
the odd pins of the FPC main connector (K1) are connected with the positive electrode of the power supply (K4), the even pins of the FPC main connector (K1) are connected with the negative electrode of the power supply (K4),
the PIN i of the FPC main connector (K1) is connected with the positive electrode of the corresponding LED, the negative electrode of the LED is connected with the PIN i+1 of the FPC sub-connector (K2), and the PIN i of the FPC main connector (K1) is connected with the PIN i of the FPC sub-connector (K2), wherein i=1, 3, 5.
2. The test panel of claim 1, wherein the test module comprises an open circuit and a short circuit,
the LED test array (K3) is in linear arrangement.
3. The test panel of claim 1, wherein the test module comprises an open circuit and a short circuit,
the LED test arrays (K3) are circumferentially arranged.
4. The test panel of claim 1, wherein the test module comprises an open circuit and a short circuit,
the LED test array (K3) has LEDs 1, 2, and a buzzer (M1) connected in series with the branch of the LED 15.
5. The test panel of claim 1, wherein the test module comprises an open circuit and a short circuit,
the LED test array (K3) has LEDs 1, 2, and an adjustable resistor (M2) in series with the leg of LED 15.
6. The test panel of claim 1, wherein the test module comprises an open circuit and a short circuit,
the LEDs are red.
7. The test panel of claim 1, wherein the test module comprises an open circuit and a short circuit,
the power supply (K4) is provided with a voltage regulator (K41).
8. The test panel of claim 1, wherein the test module comprises an open circuit and a short circuit,
the LED test array (K3) is a patch type LED.
9. The test panel of claim 1, wherein the test module comprises an open circuit and a short circuit,
the LED test array (K3) is a straw hat type LED.
10. The test board for open circuit and short circuit of test module according to claim 1, wherein the LEDs 1, 2 of the LED test array (K3) are connected in series with a voice broadcasting module (M3) on the branch of the LED 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320520108.8U CN219871727U (en) | 2023-03-16 | 2023-03-16 | Test board for testing open circuit and short circuit of module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320520108.8U CN219871727U (en) | 2023-03-16 | 2023-03-16 | Test board for testing open circuit and short circuit of module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219871727U true CN219871727U (en) | 2023-10-20 |
Family
ID=88336527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320520108.8U Active CN219871727U (en) | 2023-03-16 | 2023-03-16 | Test board for testing open circuit and short circuit of module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219871727U (en) |
-
2023
- 2023-03-16 CN CN202320520108.8U patent/CN219871727U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102789076B (en) | The method for making of a kind of detection line and display panels | |
| CN102156273B (en) | Electric energy meter verification circuit for error test and direct current and even harmonic test | |
| CN108305577A (en) | A kind of detection device and detection method of display panel | |
| CN219871727U (en) | Test board for testing open circuit and short circuit of module | |
| CN202421400U (en) | Checking tool for connection of multicore flat cables | |
| CN203191534U (en) | Test box for LED (light-emitting diode) power panel | |
| CN103941434A (en) | Backlight source module and static electricity damage detecting method thereof | |
| CN201508403U (en) | General-purpose fixture for tester of printed circuit board | |
| US8324837B2 (en) | Parallel light-emitting circuit of parallel LED light-emitting device and circuit board thereof | |
| CN215219055U (en) | FPC opens a way test fixture | |
| CN205317899U (en) | Tool of inspection CPU base looper condition | |
| CN202330640U (en) | Simple keyboard thin-film circuit board function test jig | |
| CN107631193A (en) | General-purpose lamp plate and lamp plate string are used in a kind of LED drive power test | |
| CN207650341U (en) | A kind of component failure analysis system | |
| WO2013177804A1 (en) | Connecting wire structure of direct-type lamp bar and connecting method thereof | |
| CN209132345U (en) | A kind of capacitor reliability test circuit | |
| CN109307814B (en) | Capacitor reliability test circuit | |
| CN207473072U (en) | A kind of switchable type LED backlight module test fixture | |
| CN209690425U (en) | Test fixture | |
| CN106793487A (en) | Display device and its flexible PCB | |
| CN221726214U (en) | Combined switch logic measuring device | |
| CN205176334U (en) | SFP optic fibre socket overhauls tool | |
| CN220961613U (en) | Test fixture of field effect tube | |
| CN204903692U (en) | Multicore cable wire size measuring device | |
| CN219715563U (en) | Backlight lamp panel and device for detecting multipath LED driver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |