CN112904121B - Testing jig for earphone jack cable - Google Patents
Testing jig for earphone jack cable Download PDFInfo
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- CN112904121B CN112904121B CN202110086776.XA CN202110086776A CN112904121B CN 112904121 B CN112904121 B CN 112904121B CN 202110086776 A CN202110086776 A CN 202110086776A CN 112904121 B CN112904121 B CN 112904121B
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- 101000893549 Homo sapiens Growth/differentiation factor 15 Proteins 0.000 claims description 13
- 101000692878 Homo sapiens Regulator of MON1-CCZ1 complex Proteins 0.000 claims description 13
- 102100026436 Regulator of MON1-CCZ1 complex Human genes 0.000 claims description 13
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention relates to the technical field of earphone testing, and provides a testing jig for an earphone hole cable, which comprises a connector interface and a testing main board, wherein the connector interface is correspondingly connected with a connector at one end of an earphone hole link joint of the earphone hole cable, and the other end of the connector interface is provided with the testing main board for testing various testing signals of the earphone hole joint; the power supply U1 on the test mainboard is connected with a voltage switch SW1, the voltage switch SW1 controls the voltage output of the power supply U1, the output end of the voltage switch SW1 is connected with a first slot P1, the output end of the first slot P1 is respectively connected with a buzzer BZ1 and an LED display circuit, a connector at the other end of an earphone hole link joint of the earphone hole cable is inserted into the first slot P1, and a second slot P2 and a third slot P3 are respectively and correspondingly connected with a connector interface, so that the test of the earphone hole cable at the entrance detection end of a factory is realized, and the test is effectively used for the re-judgment of the cable.
Description
Technical Field
The invention belongs to the technical field of earphone testing, and particularly relates to a testing jig for an earphone hole cable.
Background
In the cloud computing era, the production and shipment volume of Personal Computers (PCs) is increasing, users pay more and more attention to the quality of outer sockets such as earphone holes and USB holes special for PCs, the quality problem of the PCs can seriously affect the production efficiency and the feeling of clients at market ends, therefore, the quality of incoming materials of earphone hole cables is guaranteed to be more and more important, the repeated judgment requirement of earphone hole fault cables is higher and higher, and a special test scheme for the earphone hole cables is created under the condition.
However, the testing efficiency of the earphone hole cable is low, the testing accuracy is not high, and the cycle propulsion of the whole product is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a testing jig for an earphone hole cable, and aims to solve the problems that the testing efficiency of the earphone hole cable is low, the testing accuracy is not high, and the cycle propulsion of the whole product is influenced in the prior art.
The technical scheme provided by the invention is as follows: a testing jig for an earphone hole cable comprises a connector interface and a testing main board, wherein the connector interface is correspondingly connected with a connector at one end of an earphone hole link connector of the earphone hole cable, and the other end of the connector interface is provided with the testing main board for testing various testing signals of the earphone hole connector;
wherein, be equipped with first slot P1, second slot P2, third slot P3, power supply U1, voltage switch SW1, bee calling organ BZ1 and LED display circuit on the test mainboard, wherein, power supply U1 with voltage switch SW1 connects, just voltage switch SW1 control power supply U1's voltage output, voltage switch SW 1's output with first slot P1 is connected, first slot P1's output respectively with bee calling organ BZ1, LED display circuit connect, peg graft on the first slot P1 the other end connector of earphone hole link joint of earphone hole cable, second slot P2, third slot P3 respectively with the connector interface corresponds the connection.
As an improved scheme, the connector interface is provided with two connectors which are respectively marked as a first connector and a second connector;
one end of the first connector is correspondingly connected with the SPK hole of the earphone hole connector, the other end of the first connector is inserted into the second slot P2, one end of the second connector is correspondingly connected with the MIC hole of the earphone hole connector, and the other end of the second connector is inserted into the third slot P3.
As an improved scheme, the first connector and the second connector are both male connectors and used for transmitting signals to be tested of the earphone hole cable to the test mainboard.
As a modified scheme, the test signals transmitted to the test mainboard by the first connector comprise a GND ground signal, an HP _ R signal and an HP _ L signal;
the second connector is conveyed to the test signal of the test mainboard comprises a ground signal GND, a signal MIC _ L signal and an MIC _ R signal.
As a modified solution, the power supply U1 is provided with a pin 5V and a pin GND, and the voltage switch SW1 is provided with a pin IN and a pin OUT, wherein the pin IN is connected with the pin 5V of the power supply U1.
As an improved scheme, the LED display circuit comprises three LED indicator lamps connected in parallel, which are respectively marked as an LED1 indicator lamp, an HP1 indicator lamp and an MIC1 indicator lamp;
on the test mainboard, the buzzer BZ1 is connected with the LED display circuit in parallel.
As a modified scheme, the buzzer BZ1 is provided with a pin 1 and a pin 2;
the first slot P1 is provided with a pin GND, a pin MIC, a pin HP, a pin MIC _ L, a pin MIC _ R, a pin HP _ L and a pin SENSE;
the pin MIC of the first slot P1 is connected with the positive terminal of the MIC1 indicator light, the pin HP is connected with the HP1 indicator light, the pin SENSE is connected with the positive terminal of the LED1 indicator light, and the negative terminals of the LED1 indicator light, the HP1 indicator light and the MIC1 indicator light are all grounded;
a first circuit node is arranged on a line between the pin SENSE and the positive terminal of the LED1 indicator lamp, a line LED out from the first circuit node is connected with a pin 1 of the buzzer BZ1, and a pin 2 of the buzzer BZ1 is grounded;
the pin HP _ L is connected to the pin OUT of the voltage switch SW 1.
As an improved solution, a resistor R4 is connected in series in a line between the pin GND and the pin MIC _ R of the first socket P1, and a resistor R2 is connected in a line between the pin MIC _ L and the pin HP _ R.
As a modified solution, the second socket P2 and the third socket P3 are provided with a pin GND, a pin MIC _ L, a pin MIC _ R, a pin SENSE and a pin MIC;
the pin GND of the second socket P2 and the pin GND of the third socket P3 are both grounded, a resistor R1 is connected in series between the pin MIC _ L of the second socket P2 and the pin MIC _ R of the second socket P2, and a resistor R3 is connected in series between the pin MIC _ L of the third socket P3 and the pin MIC _ R of the third socket P3.
In the embodiment of the invention, the testing jig for the earphone hole cable comprises a connector interface and a testing main board, wherein the connector interface is correspondingly connected with the connector at one end of the earphone hole link joint of the earphone hole cable, and the other end of the connector interface is provided with the testing main board for testing each path of testing signals of the earphone hole joint; the power supply U1 on the test mainboard is connected with a voltage switch SW1, and the voltage switch SW1 controls the voltage output of the power supply U1, the output end of the voltage switch SW1 is connected with a first slot P1, the output end of the first slot P1 is respectively connected with a buzzer BZ1 and an LED display circuit, a connector at the other end of an earphone hole link joint of the earphone hole cable is inserted on the first slot P1, a second slot P2 and a third slot P3 are respectively and correspondingly connected with a connector interface, so that the test of the earphone hole cable at the factory detection end is realized, the test is effectively used for re-judgment of the cable, and abnormal products are prevented from flowing into production and markets to cause economic loss.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic illustration of a headphone jack link jack of a headphone jack cable provided by the prior art;
fig. 2 is a schematic structural diagram of a testing jig for an earphone jack cable provided by the present invention;
FIG. 3 is a circuit diagram of a test motherboard provided by the present invention;
the LED display device comprises a connector interface 1, a test mainboard 2, an LED display circuit 3, a first connector 4 and a second connector 5.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are merely for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
In the present invention, as shown in fig. 1, the earphone hole link joint of the earphone hole cable includes five joints, which are respectively labeled as joint J1, joint J2, joint J3, joint J4, and joint J5, and the following test scheme of the earphone hole link from joint J4 to joint J5 is given, and the test scheme of the USB from joint J1/joint J2 to joint J3 is not described herein again.
Fig. 2 is a schematic structural diagram of a testing fixture for an earphone jack cable provided by the present invention, and for convenience of description, only the relevant parts related to the embodiment of the present invention are shown in the diagram.
The testing jig for the earphone hole cable comprises a connector interface 1 and a testing main board 2, wherein the connector interface 1 is correspondingly connected with a connector J4 at one end of an earphone hole link joint of the earphone hole cable, and the other end of the connector interface 1 is provided with the testing main board 2 for testing each path of testing signals of the earphone hole joint;
referring to fig. 3, a first slot P1, a second slot P2, a third slot P3, a power supply U1, a voltage switch SW1, a buzzer BZ1 and an LED display circuit 3 are arranged on the test main board 2, wherein the power supply U1 is connected to the voltage switch SW1, the voltage switch SW1 controls the voltage output of the power supply U1, the output end of the voltage switch SW1 is connected to the first slot P1, the output end of the first slot P1 is connected to the buzzer BZ1 and the LED display circuit 3, the other end connector of the earphone hole link connector of the earphone hole cable is inserted into the first slot P1, and the second slot P2 and the third slot P3 are correspondingly connected to the connector interface 1.
In this embodiment, as shown in fig. 1, the connector interface 1 is provided with two connectors, which are respectively denoted as a first connector 4 and a second connector 5;
one end of the first connector 4 is correspondingly connected with the SPK hole of the earphone hole connector, the other end of the first connector is inserted into the second slot P2, one end of the second connector 5 is correspondingly connected with the MIC hole of the earphone hole connector, and the other end of the second connector is inserted into the third slot P3.
In this embodiment, for convenience of operation, the following design may be made:
the first connector 4 and the second connector 5 are male connectors and used for transmitting signals to be tested of the earphone hole cable to the test mainboard 2.
In the embodiment of the present invention, the test signals transmitted to the test motherboard 2 by the first connector 4 include a GND ground signal, an HP _ R signal, and an HP _ L signal;
the second connector 5 is used for transmitting a test signal to the test mainboard 2, wherein the test signal comprises a ground signal GND, a signal MIC _ L signal and a signal MIC _ R.
The testing of the testing signals is not in sequence, the connectors are connected in series to form a loop, a closed loop is formed after the voltage switch is turned on, the LED indicating lamps are lightened, the circuit is good, otherwise, the testing schemes are common testing programs, and the description is omitted.
Referring to fig. 3, a power supply U1 is provided with a pin 5V and a pin GND, the voltage switch SW1 is provided with a pin IN and a pin OUT, and the pin IN is connected with the pin 5V of the power supply U1;
in this embodiment, adopt general USB5V power supply, simple and convenient, easily realize, control test process through voltage switch's mode simultaneously, avoid bee calling organ and LED pilot lamp to shine all the time, provide this test fixture's life.
As shown in fig. 3, the LED display circuit 3 includes three LED indicators connected in parallel, which are respectively denoted as an LED1 indicator, an HP1 indicator, and an MIC1 indicator;
on the test main board 2, the buzzer BZ1 is connected with the LED display circuit 3 in parallel;
the parallel connection mode of the buzzer and the LED display circuit 3 can prove the result of cable test from the visual and auditory aspects, and reduces the errors of artificial test.
As shown in fig. 3, the buzzer BZ1 is provided with pin 1 and pin 2;
the first slot P1 is provided with a pin GND, a pin MIC, a pin HP, a pin MIC _ L, a pin MIC _ R, a pin HP _ L and a pin SENSE;
the pin MIC of the first slot P1 is connected with the positive terminal of the MIC1 indicator light, the pin HP is connected with the HP1 indicator light, the pin SENSE is connected with the positive terminal of the LED1 indicator light, and the negative terminals of the LED1 indicator light, the HP1 indicator light and the MIC1 indicator light are all grounded;
a first circuit node is arranged on a line between the pin SENSE and the positive terminal of the LED1 indicator lamp, a line LED out from the first circuit node is connected with a pin 1 of the buzzer BZ1, and a pin 2 of the buzzer BZ1 is grounded;
the pin HP _ L is connected to the pin OUT of the voltage switch SW 1.
In this embodiment, the negative terminals of the LED1, HP1, and MIC1 are all grounded, and corresponding resistors are provided between the negative terminals and the grounded terminals of the LED1, HP1, and MIC1, as shown in fig. 3, the resistors R13, R16, and R19 are respectively provided, and meanwhile, the resistance values of the resistor 13, R16, and R19 need to match the current limiting ranges of the LED1, HP1, and MIC1, so as to effectively prevent large current fluctuation when voltage fluctuates, protect the LED1, HP1, and MIC1, and prolong the service life of the test fixture.
In this embodiment, referring to fig. 3, a resistor R4 is connected in series to a line between the pin GND and the pin MIC _ R of the first socket P1, and a resistor R2 is connected in series to a line between the pin MIC _ L and the pin HP _ R, wherein the resistances of the resistor R2 and the resistor R4 are 0, which has two functions, one is to blow out when a signal is too large, and the other is to solve circuit configuration problems, such as ground and ground problems and power and signal problems.
As shown in fig. 3, the second slot P2 and the third slot P3 are each provided with a pin GND, a pin MIC _ L, a pin MIC _ R, a pin SENSE, and a pin MIC;
the pin GND of the second socket P2 and the pin GND of the third socket P3 are both grounded, a resistor R1 is connected in series between the pin MIC _ L of the second socket P2 and the pin MIC _ R of the second socket P2, and a resistor R3 is connected in series between the pin MIC _ L of the third socket P3 and the pin MIC _ R of the third socket P3.
In this embodiment, the resistances of the resistor R1 and the resistor R3 are 0, which functions as the resistor R2 and the resistor R4, and will not be described herein again.
In the embodiment of the invention, the testing jig for the earphone hole cable comprises a connector interface 1 and a testing main board 2, wherein the connector interface 1 is correspondingly connected with a connector at one end of an earphone hole link connector of the earphone hole cable, and the other end of the connector interface is provided with the testing main board 2 for testing each path of testing signals of the earphone hole connector; the power supply U1 on the test mainboard 2 is connected with a voltage switch SW1, the voltage switch SW1 controls the voltage output of the power supply U1, the output end of the voltage switch SW1 is connected with a first slot P1, the output end of the first slot P1 is respectively connected with a buzzer BZ1 and an LED display circuit 3, a connector at the other end of an earphone hole link joint of the earphone hole cable is inserted into the first slot P1, a second slot P2 and a third slot P3 are respectively and correspondingly connected with a connector interface 1, so that the test of the earphone hole cable at the factory detection end is realized, the method is effectively used for cable re-judgment, abnormal products are prevented from flowing into production and markets, and economic loss is avoided.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being covered by the appended claims and their equivalents.
Claims (8)
1. The testing jig for the earphone hole cable is characterized by comprising a connector interface and a testing main board, wherein the connector interface is correspondingly connected with a connector at one end of an earphone hole link joint of the earphone hole cable, and the other end of the connector interface is provided with the testing main board for testing all paths of testing signals of the earphone hole joint;
the testing main board is provided with a first slot P1, a second slot P2, a third slot P3, a power supply U1, a voltage switch SW1, a buzzer BZ1 and an LED display circuit, wherein the power supply U1 is connected with the voltage switch SW1, the voltage switch SW1 controls the voltage output of the power supply U1, the output end of the voltage switch SW1 is connected with the first slot P1, the output end of the first slot P1 is respectively connected with the buzzer BZ1 and the LED display circuit, the first slot P1 is plugged with a connector at the other end of an earphone hole link joint of the earphone hole cable, and the second slot P2 and the third slot P3 are respectively connected with the connector interfaces correspondingly;
the connector interface is provided with two connectors which are respectively marked as a first connector and a second connector;
one end of the first connector is correspondingly connected with the SPK hole of the earphone hole connector, the other end of the first connector is inserted into the second slot P2, one end of the second connector is correspondingly connected with the MIC hole of the earphone hole connector, and the other end of the second connector is inserted into the third slot P3.
2. The tool for testing the headset hole cable according to claim 1, wherein the first connector and the second connector are male connectors and are used for transmitting a signal to be tested of the headset hole cable to the test motherboard.
3. The testing fixture of claim 1, wherein the testing signals transmitted to the testing motherboard by the first connector include a GND ground signal, a HP _ R signal, and a HP _ L signal;
the second connector is conveyed to the test signal of the test mainboard comprises a ground signal GND, a signal MIC _ L signal and an MIC _ R signal.
4. The tool for testing the earphone jack cable according to claim 1, wherein the power supply U1 is provided with a pin 5V and a pin GND, the voltage switch SW1 is provided with a pin IN and a pin OUT, and the pin IN is connected with the pin 5V of the power supply U1.
5. The testing fixture of the earphone hole cable of claim 4, wherein the LED display circuit comprises three LED indicator lamps connected in parallel, which are respectively marked as an LED1 indicator lamp, an HP1 indicator lamp and an MIC1 indicator lamp;
on the test mainboard, the buzzer BZ1 is connected with the LED display circuit in parallel.
6. The testing fixture for the earphone jack cable according to claim 5, wherein the buzzer BZ1 is provided with pin 1 and pin 2;
the first slot P1 is provided with a pin GND, a pin MIC, a pin HP, a pin MIC _ L, a pin MIC _ R, a pin HP _ L and a pin SENSE;
the pin MIC of the first slot P1 is connected with the positive terminal of the MIC1 indicator light, the pin HP is connected with the HP1 indicator light, the pin SENSE is connected with the positive terminal of the LED1 indicator light, and the negative terminals of the LED1 indicator light, the HP1 indicator light and the MIC1 indicator light are all grounded;
a first circuit node is arranged on a line between the pin SENSE and the positive electrode end of the LED1 indicator lamp, a line LED out of the first circuit node is connected with a pin 1 of the buzzer BZ1, and a pin 2 of the buzzer BZ1 is grounded;
the pin HP _ L is connected to the pin OUT of the voltage switch SW 1.
7. The apparatus of claim 6, wherein a resistor R4 is connected in series to a line between the pin GND and the pin MIC _ R of the first socket P1, and a resistor R2 is connected in series to a line between the pin MIC _ L and the pin HP _ R.
8. The testing fixture of the earphone hole cable according to claim 1, wherein the second slot P2 and the third slot P3 are provided with a pin GND, a pin MIC _ L, a pin MIC _ R, a pin SENSE and a pin MIC;
the pin GND of the second socket P2 and the pin GND of the third socket P3 are both grounded, a resistor R1 is connected in series between the pin MIC _ L of the second socket P2 and the pin MIC _ R of the second socket P2, and a resistor R3 is connected in series between the pin MIC _ L of the third socket P3 and the pin MIC _ R of the third socket P3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110086776.XA CN112904121B (en) | 2021-01-22 | 2021-01-22 | Testing jig for earphone jack cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110086776.XA CN112904121B (en) | 2021-01-22 | 2021-01-22 | Testing jig for earphone jack cable |
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| CN112904121A CN112904121A (en) | 2021-06-04 |
| CN112904121B true CN112904121B (en) | 2022-06-24 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202486252U (en) * | 2012-02-16 | 2012-10-10 | 兰州远望信息技术有限公司 | Multifunctional wire cable testing device |
| CN109283424A (en) * | 2018-11-16 | 2019-01-29 | 上海工程技术大学 | A kind of test device and method of the four port sensor signal deconcentrators of band LED |
| CN211505837U (en) * | 2019-12-06 | 2020-09-15 | 苏州浪潮智能科技有限公司 | On-off detection device supporting various cables |
| CN111966033A (en) * | 2020-07-17 | 2020-11-20 | 苏州浪潮智能科技有限公司 | Detection system for connection state of high-density connector |
-
2021
- 2021-01-22 CN CN202110086776.XA patent/CN112904121B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202486252U (en) * | 2012-02-16 | 2012-10-10 | 兰州远望信息技术有限公司 | Multifunctional wire cable testing device |
| CN109283424A (en) * | 2018-11-16 | 2019-01-29 | 上海工程技术大学 | A kind of test device and method of the four port sensor signal deconcentrators of band LED |
| CN211505837U (en) * | 2019-12-06 | 2020-09-15 | 苏州浪潮智能科技有限公司 | On-off detection device supporting various cables |
| CN111966033A (en) * | 2020-07-17 | 2020-11-20 | 苏州浪潮智能科技有限公司 | Detection system for connection state of high-density connector |
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