CN202587108U - Device for detecting mobile phone motherboard key function - Google Patents
Device for detecting mobile phone motherboard key function Download PDFInfo
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- CN202587108U CN202587108U CN 201220059908 CN201220059908U CN202587108U CN 202587108 U CN202587108 U CN 202587108U CN 201220059908 CN201220059908 CN 201220059908 CN 201220059908 U CN201220059908 U CN 201220059908U CN 202587108 U CN202587108 U CN 202587108U
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Abstract
The utility model discloses a device for detecting mobile phone motherboard key function. The device for detecting the mobile phone motherboard key function comprises a keyboard simulation circuit and a connecting device. The connecting device and the keyboard simulation circuit are in circuit connection. According to the device for detecting the mobile phone motherboard key function provided by the utility model, after a mobile phone motherboard to be detected is placed on a detection base and is connected with the detection device provided by the utility model, a detection person only needs to press and start the switch of the detection device, and the detection device automatically starts to detect the motherboard key function; the detection accuracy is high, and the detection stability is good; and the detection efficiency is greatly improved, and the production cost is saved.
Description
Technical field
The utility model relates to electronic communication field, relates in particular to a kind of signal testing technology of cell phone mainboard.
Background technology
Mobile phone needs in manufacture course of products through the multiple tracks test program, wherein the CIT test be under the environment of plant to the test of the peripheral hardware function of cell phone mainboard, comprise press key function testing, display screen functions test, CAMERA functional test etc.Cell phone mainboard, normally a printed circuit board (PCBA, Printed Circuit Board+Assembly).As shown in Figure 1; At present; The test fixture that is used for the testing mobile phone mainboard keypress function; Be typically provided with three cell bodies, be respectively applied for fixedly cell phone mainboard 11 (Motherboard), display screen 13 (LCD) and keyboard pcb 12 (Key Pad), cell phone mainboard 11 (Motherboard) is provided with a slot or pad 16; Have a FPC 14 (Flexible Printed Circuit Board) on the keyboard pcb 12 (Key Pad); (Flexible Printed Circuit Board) is plugged in the said slot 16 with this FPC 14, or utilizes thimble to withstand on the said pad, just realized that the circuit of keyboard pcb 12 (Key Pad) and cell phone mainboard 11 (Motherboard) is connected.Use this test fixture, in the process of test, whether the test man need manually push each button 15 on the keyboard pcb 12 (Key Pad), normal with the keypress function of testing host (Motherboard).Like this, need the more time of cost usually, under the higher situation of quality requirements, the test man needs repeatedly pressing keys repeatedly, and testing efficiency is very low.In addition; Owing to adopt the mode of artificial pressing keys to test, when the situation of test failure occurring, needing investigation is the problem of mainboard (Motherboard) circuit or the problem of keyboard mechanical structure; Test result is not accurate enough, has also further hindered the raising of testing efficiency.
The utility model content
The purpose of the utility model provides a kind of device that is used for detection of handset mainboard keypress function, can realize the automatic test of the keypress function of cell phone mainboard.
The device that is used for detection of handset mainboard keypress function that the utility model provided is characterized in that: comprise keyboard analog circuit and jockey; Said jockey is connected with said keyboard analog circuit circuitry phase.
The device that is used for detection of handset mainboard keypress function that the utility model provided only needs cell phone mainboard to be measured is placed on the testing base, behind the testing apparatus that the utility model provided in the connection; The test man only needs the switch of this testing apparatus of started by press; Can begin to detect the keypress function of mainboard automatically, the test accuracy rate is high, good stability; And greatly the raising of degree testing efficiency, save production cost.
Description of drawings
Fig. 1 is the structural representation of the existing test fixture described in the background technology;
Fig. 2 is the described device that is used for detection of handset mainboard keypress function of present embodiment, the sketch map that data selector is connected with the thimble circuit;
Fig. 3 is the device circuit structural representation that is used for detection of handset mainboard keypress function that present embodiment provided;
Fig. 4 is a data selector circuit gating schematic diagram;
Fig. 5 is the device that utilizes the utility model the to provide flow chart when detecting.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Like Fig. 2 and shown in Figure 3, a kind of device that is used for detection of handset mainboard keypress function comprises keyboard analog circuit and jockey 22; Said jockey 22 is connected with said keyboard analog circuit circuitry phase.It will be understood by those skilled in the art that said keyboard analog circuit is used to simulate the signal of telecommunication of output mobile phone key; Said jockey 22 is used to realize that said keyboard analog circuit is connected with circuit between the cell phone mainboard to be measured.Like this, when testing, cell phone mainboard just can detect the keypress function of this cell phone mainboard through the signal of telecommunication that receives and handle said keyboard analog circuit transmission successively.
As shown in Figure 2, said keyboard analog circuit comprises data selector circuit 21, and the input of said data selector circuit 21 and output liftoff and said jockey 22 circuit of electrically being separated by are connected.
Further; It will be understood by those skilled in the art that cell phone mainboard to be measured is generally the PCB circuit board that is provided with insulating barrier, when the keypress function of mainboard detects; Button also is unkitted and is fitted on the said cell phone mainboard to be measured; Therefore, have several on the said cell phone mainboard to be measured and be used to the pad of realizing that mainboard is connected with key circuit, promptly several do not cover the dew copper of insulating barrier.As shown in Figure 1; The device that is used for detection of handset mainboard keypress function that present embodiment provided; Its jockey 22 comprises one group of thimble 221, and the arrangement mode of said thimble 221 is consistent with the arrangement mode of said pad, and the quantity of said thimble 221 equals the quantity of said pad.
Further, the device that is used for detection of handset mainboard keypress function that present embodiment provided also is provided with the base (not shown) that is used for fixing said cell phone mainboard to be measured, and said thimble 221 is movably arranged on the said base.Like this when being fixed on cell phone mainboard to be measured on the said base; Through adjusting said thimble 221; Can realize said thimble 221 is withstood on the said pad, thus the conducting of realization thimble 221 and said pad, and then realize that said cell phone mainboard to be measured is connected with the circuit of said keyboard analog circuit.
As shown in Figure 3, said keyboard analog circuit also comprises control module and PMU, and said data selector circuit 21 is provided with control end and power end, and said control end is connected with said control module circuitry phase; Be used to control the conducting of said data selector circuit 21 and select output; Said power end has two pins, and one of them pin Vcc is connected with said PMU circuitry phase and another pin GND ground connection, is used for to said data selector circuit 21 suitable operating voltage being provided.
It will be understood by those skilled in the art that the cell phone keyboard circuit is an array circuit, the product value of the quantity M of its row circuit and the quantity N of column circuits is exactly the quantity of its attainable button.
The device that is used for detection of handset mainboard keypress function as shown in Figure 2, that present embodiment provided, the quantity of the data selector of design equates with the quantity M of said capable circuit in its data selector circuit 21; The input of said each data selector comprises data input pin and at least 1 idle input K, and the quantity of said data input pin equates with the quantity N of said column circuits; It will be appreciated by those skilled in the art that; Through control to the data selector; Can realize that output end voltage equates with the value of one of them input terminal voltage; Thereby realize the selection output of some input voltage values, the quantity of the data input pin of data selector is set to equate with the quantity N of said column circuits, can realizes the column circuits of simulating keyboard array circuit; The quantity M that the quantity of the output of data selector is set to said capable circuit equates, can realize the capable circuit of simulating keyboard array circuit.
With each input of said each data selector input as said data selector circuit 21; With the output of said each data selector output as said data selector circuit 21; All electrically isolated and said thimble 221 circuit one by one are connected, and have just constituted the device that is used for detection of handset mainboard keypress function that present embodiment provided.
Like Fig. 2 and shown in Figure 4, the gating principle of button is illustrated.Keyboard like cell phone mainboard design assembling to be measured has 6 buttons, and adopts the matrix circuit of 3 row, 2 row to realize that the signal of telecommunication of its button is respectively VR1L1, VR1L2, VR2L1, VR2L2, VR3L1 and VR3L2; Utilize 3 data selector composition data selector circuits 21 with at least two data inputs, promptly first data selector 211 has first input end D111 (its input voltage is VR1L1) and the second input D112 (its input voltage is VR1L2); Second data selector 212 has first input end D121 (its input voltage is VR2L1) and the second input D122 (its input voltage is VR2L2); The 3rd data selector 213 has first input end D131 (its input voltage is VR3L1) and the second input D132 (its input voltage is VR3L2).The data input pin of above-mentioned data selector circuit 21 comprises the first input end D111 of first data selector 211, the second input D112 of first data selector 211, the first input end D121 of second data selector 212, the second input D122 of second data selector 212, the first input end D131 of the 3rd data selector 213 and the second input D132 of the 3rd data selector 213.The output of above-mentioned data selector circuit 21 comprises the output W11 of first data selector 211, the output W12 of second data selector 212 and the output W13 of the 3rd data selector 213.Like the performance of need detection of handset mainboard when the signal of telecommunication of input button is VR2L2; As long as said second data selector 212 of control be operating state and its second input of gating as output, and control its idle input K of other two data selector gates.Like this, as long as control the gating output successively of in running order and its input of each data selector successively, the signal of telecommunication that just can realize simulating all buttons detects the button of cell phone mainboard to be measured.
The idle input K that it will be understood by those skilled in the art that said data selector also can be set to a plurality of according to the redundancy of data selector.The device that is used for detection of handset mainboard keypress function that present embodiment provided, the quantity of the idle input K of said each data selector is 1, is used for as there not being the button data selecting side in when input.Like this, both can be completely achieved simulation output, and can not cause the waste in the design again, helped the control of product cost the mobile phone key signal of telecommunication.
The control end of said each data selector is provided with the gating control pin G that is connected with said control module circuitry phase, is used for the in running order or non operating state of control data selector.The device that is used for detection of handset mainboard keypress function that present embodiment provided, said data selector adopts the low level gating, and the level that promptly needs only said gating control pin drags down, and it is in running order just can to realize controlling this data selector; As long as the level of said gating control pin is drawn high, just can be realized controlling this data selector and be in non operating state.
The control end of said each data selector also is provided with the selection output control pin A that is connected with said control module circuitry phase.
The quantity of said selection output control pin A is provided with according to the quantity of the data input pin of this data selector, is used to control said data selector and selects which input as output.As, the quantity of said selection output control pin is B, and the quantity of said data input pin is A, and the quantity B of then said selection output control pin and the quantity A of said data input pin satisfy following relational expression:
A=2
B
It will be understood by those skilled in the art that utilizing said selection output control pin to control said data selector selects the mode of which input as output, be techniques well known, do not give unnecessary details here.
The device that is used for detection of handset mainboard keypress function as shown in Figure 3, that present embodiment provided, its control module can adopt the baseband processing unit that is used for mobile phone.Because the device that is used for detection of handset mainboard keypress function that the utility model provided; Mainly be the design or the production firm of mobile phone; In the design of mobile phone and manufacture process, use, adopt said baseband processing unit, can be convenient to mobile phones design or production firm and prepare material; Reduce the corporate operation cost, enhance productivity.
Said baseband processing unit is provided with the GPIO interface, and the gating control pin G of said each data selector and said selection output control pin A all are connected with said GPIO interface circuitry phase.Like this, can export with selecting through the state of said GPIO interface control data selector, thereby confirm the analogue-key signal.
The device that is used for detection of handset mainboard keypress function as shown in Figure 2, that present embodiment provided also comprises the button that is connected with said baseband processing unit circuitry phase, is convenient to the testing staff this device is imported or control operation.
As shown in Figure 3; The device that is used for detection of handset mainboard keypress function that present embodiment provided; Also comprise display screen, said display screen is connected with said control module circuitry phase, is convenient to test process and test result are shown; The testing staff can grasp test result more intuitively, is convenient to improve the accuracy of test.
The device that is used for detection of handset mainboard keypress function as shown in Figure 3, that present embodiment provided also comprises loudspeaker, and said loudspeaker are connected with said control module circuitry phase.It will be understood by those skilled in the art that and to pass through said loudspeaker playing alert tones, be convenient to the testing staff and understand test result.
The device that is used for detection of handset mainboard keypress function as shown in Figure 3, that present embodiment provided also comprises memory, and said memory is connected with said control module circuitry phase.It will be understood by those skilled in the art that said memory can be used for storing test program, test result data or intermediate data, be convenient to the testing staff and add up, realize automatic test.
What should explain at last is: above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (16)
1. a device that is used for detection of handset mainboard keypress function is characterized in that: comprise keyboard analog circuit and jockey (22); Said jockey (22) is connected with said keyboard analog circuit circuitry phase.
2. device as claimed in claim 1 is characterized in that: said keyboard analog circuit comprises data selector circuit (21), and the input of said data selector circuit (21) and output liftoff and said jockey (22) circuit of electrically being separated by is connected.
3. device as claimed in claim 2; It is characterized in that: said jockey (22) is one group of thimble (221); The arrangement mode of said thimble (221) is consistent with the arrangement mode of the pad of said cell phone mainboard to be measured, and the quantity of said thimble (221) equals the quantity of said pad.
4. device as claimed in claim 3 is characterized in that: also be provided with the base that is used for fixing said cell phone mainboard to be measured, said thimble (221) is movably arranged on the said base.
5. like each described device in the claim 1 to 4; It is characterized in that: said keyboard analog circuit also comprises control module and PMU; Said data selector circuit (21) is provided with control end and power end, and said control end is connected with said control module circuitry phase; Said power end has two pins, and one of them pin (Vcc) is connected with said PMU circuitry phase and another pin (GND) ground connection.
6. device as claimed in claim 5 is characterized in that: the quantity of the data selector in the said data selector circuit (21) equates with the quantity M of said capable circuit.
7. device as claimed in claim 6 is characterized in that: the input of said each data selector comprises data input pin and at least 1 idle input (K).
8. device as claimed in claim 7 is characterized in that: the quantity of said data input pin equates with the quantity N of said column circuits.
9. device as claimed in claim 7 is characterized in that: the quantity of the idle input (K) of said each data selector is 1.
10. device as claimed in claim 5 is characterized in that: the control end of said each data selector is provided with the gating control pin (G) that is connected with said control module circuitry phase.
11. device as claimed in claim 10 is characterized in that: the control end of said each data selector also is provided with the selection output control pin (A) that is connected with said control module circuitry phase.
12. device as claimed in claim 11 is characterized in that: the quantity of said selection output control pin (A) is provided with according to the quantity B of the data input pin of this data selector and satisfies following relational expression:
。
13. device as claimed in claim 5 is characterized in that: said control module is a baseband processing unit.
14. device as claimed in claim 5 is characterized in that: also comprise display screen, said display screen is connected with said control module circuitry phase.
15. device as claimed in claim 5 is characterized in that: also comprise loudspeaker, said loudspeaker are connected with said control module circuitry phase.
16. device as claimed in claim 5 is characterized in that: also comprise memory, said memory is connected with said control module circuitry phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220059908 CN202587108U (en) | 2012-02-23 | 2012-02-23 | Device for detecting mobile phone motherboard key function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220059908 CN202587108U (en) | 2012-02-23 | 2012-02-23 | Device for detecting mobile phone motherboard key function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202587108U true CN202587108U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220059908 Expired - Lifetime CN202587108U (en) | 2012-02-23 | 2012-02-23 | Device for detecting mobile phone motherboard key function |
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| Country | Link |
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| CN (1) | CN202587108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102594960A (en) * | 2012-02-23 | 2012-07-18 | 上海华勤通讯技术有限公司 | Testing device of key function of mobile phone motherboard |
-
2012
- 2012-02-23 CN CN 201220059908 patent/CN202587108U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102594960A (en) * | 2012-02-23 | 2012-07-18 | 上海华勤通讯技术有限公司 | Testing device of key function of mobile phone motherboard |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201203 Building 1, 399 Zhangyuan Road, Zhangjiang, Pudong New Area, Shanghai Patentee after: Huaqin Technology Co.,Ltd. Address before: 201203 Building 1, 399 Zhangyuan Road, Zhangjiang, Pudong New Area, Shanghai Patentee before: Huaqin Technology Co.,Ltd. Address after: 201203 Building 1, 399 Zhangyuan Road, Zhangjiang, Pudong New Area, Shanghai Patentee after: Huaqin Technology Co.,Ltd. Address before: 201203 Building 1, 399 Zhangyuan Road, Zhangjiang, Pudong New Area, Shanghai Patentee before: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. Address after: 201203 Building 1, 399 Zhangyuan Road, Zhangjiang, Pudong New Area, Shanghai Patentee after: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. Address before: 201203 Building 1, 399 Zhangyuan Road, Zhangjiang, Pudong New Area, Shanghai Patentee before: SHANGHAI HUAQIN TELECOM TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |