CN109342854A - A kind of test circuit and method detecting machine core audio function - Google Patents
A kind of test circuit and method detecting machine core audio function Download PDFInfo
- Publication number
- CN109342854A CN109342854A CN201811406450.5A CN201811406450A CN109342854A CN 109342854 A CN109342854 A CN 109342854A CN 201811406450 A CN201811406450 A CN 201811406450A CN 109342854 A CN109342854 A CN 109342854A
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- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000011258 core-shell material Substances 0.000 claims abstract description 9
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 238000010998 test method Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 208000033748 Device issues Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
Abstract
The present invention relates to a kind of test circuits and method for detecting machine core audio function；Wherein, the test circuit of machine core audio function, including one or more machine core unit, the test key connecting with machine core unit, LED light control circuit and LED light are detected；The quantity for testing key and LED light is corresponding with machine core unit；Machine core unit includes machine core shell, and the circuit board inside machine core shell；Circuit board is equipped with microprocessor, the LCD display circuit connecting with microprocessor, key circuit, clock circuit and buzzing oscillating circuit.The present invention substitutes the test of load sound using LED light, it is bright by LED light or do not work, the quality of sound and oscillating circuit in timepiece movement can intuitively be distinguished very much, improve production detection efficiency, and detection effect, both it can be suitably used for when timepiece movement produces while having detected the audio function of multiple machine cores, moreover it is possible to the environment big suitable for noise, more be able to satisfy actual production demand.
Description
Technical field
The present invention relates to timepiece movement detection technique fields, more specifically refer to a kind of survey for detecting machine core audio function
Try circuit and method.
Background technique
In the production of wrist-watch electronic core, for improving production efficiency, when production test, can test multiple electronic machines simultaneously
The function of core, however when testing the sound of machine core, since sound is to issue the same time, QC inspector is difficult which is told
Machine core has sound, which machine core does not have sound, therefore tests for the sound of machine core, can only be detected one by one at present, imitates in this way
Rate will be greatly reduced；In addition some workshops cause ambient noise very big due to the operating of equipment, electron machine core sound
Calibration tape carrys out bigger difficulty, is unable to satisfy actual needs.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of test circuit for detecting machine core audio function is provided
And method.
To achieve the above object, the invention adopts the following technical scheme:
A kind of test circuit detecting machine core audio function, including one or more machine core unit, with the machine
The test key of core unit connection, LED light control circuit and LED light；The quantity of the test key and LED light
It is corresponding with machine core unit；The machine core unit includes machine core shell, and the circuit board inside machine core shell；On the circuit board
Equipped with microprocessor, the LCD display circuit being connect with the microprocessor, key circuit, clock circuit and buzzing oscillation electricity
Road.
Its further technical solution are as follows: bluetooth module, backlight circuit and pedometer are additionally provided on the circuit board；It is described
Bluetooth module, backlight circuit and pedometer are connect with the microprocessor；The backlight circuit is EL light tiles.
Its further technical solution are as follows: the quantity of the machine core unit is 2-10.
Its further technical solution are as follows: the microprocessor is 4 single-chip microcontrollers；The model of 4 single-chip microcontrollers
S1C17W22。
Its further technical solution are as follows: the buzzing oscillating circuit includes the resistance R1 connecting with the microprocessor, with
The triode Q1 of resistance R1 connection, triode Q1 are connect by loading BZ with power vd D.
Its further technical solution are as follows: be additionally provided with inductance L1 between the triode Q1 and power vd D；The inductance L1 with
It is in parallel to load BZ.
Its further technical solution are as follows: one end of the resistance R1 is connect with microprocessor, and the other end is with triode Q1's
The first end of base stage connection, the emitter ground connection of the triode Q1, the first end and inductance L1 of collector and load BZ connects
It connects, the second end of the load BZ and the second end of inductance L1 are connect with power vd D.
Its further technical solution are as follows: the LED light control circuit includes diode D1, the resistance connecting with diode D1
R2, the resistance R3 connecting with resistance R2, resistance R4 and triode Q2, the resistance R5 connecting with triode Q2 are connect with resistance R5
LED light.
Its further technical solution are as follows: the anode of the diode D1 is connect with the collector of triode Q1, diode D1
Cathode connect with the first end of resistance R2, first end, the first end and three of resistance R4 of the second end of resistance R2 and resistance R3
The base stage of pole pipe Q2 connects, and the second end of resistance R3 is connect with power vd D, the second end ground connection of resistance R4, the hair of triode Q2
Emitter grounding, collector are connect with the first end of resistance R5, and the second end of resistance R5 and the cathode of LED light connect, and LED refers to
Show that the anode of lamp is connect with power vd D.
A kind of test method detecting machine core audio function, includes the following steps；
S1 is powered on, and presses test key；
S2, microprocessor issue pulse signal, and the pulse signal that buzzing oscillating circuit is exported according to microprocessor shakes
It swings；
S3, LED light control circuit acquire level signal, and the state of LED light is controlled according to collection result；
S4 judges whether LED light is illuminating state；
S5, if LED light is shinny, machine core audio function is normal；
S6, if LED light does not work, machine core audio function is abnormal.
Compared with the prior art, the invention has the advantages that: the test of load sound is substituted using LED light, is led to
It is bright or do not work to cross LED light, can intuitively distinguish very much the quality of sound and oscillating circuit in timepiece movement, improve production
Detection efficiency and detection effect both can be suitably used for when timepiece movement produces while having detected the audio function of multiple machine cores, moreover it is possible to
The environment big suitable for noise, is more able to satisfy actual production demand.
The invention will be further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is a kind of connection schematic diagram of the test circuit of detection machine core audio function；
Fig. 2 is a kind of circuit block diagram of the test circuit of detection machine core audio function；
Fig. 3 is the explosive view of machine core unit；
Fig. 4 is the circuit diagram of buzzing oscillating circuit；
Fig. 5 is a kind of circuit diagram of the test circuit of detection machine core audio function；
Fig. 6 is the use schematic diagram for detecting machine core audio function；
Fig. 7 is a kind of flow chart of test method for detecting machine core audio function.
10 machine core unit, 11 machine core shell
12 circuit board, 121 microprocessor
122 LCD display circuit, 123 key circuit
124 clock circuit, 125 buzzing oscillating circuit
126 bluetooth module, 127 backlight circuit
128 pedometers 20 test key
30 LED light control circuit, 40 LED light
Specific embodiment
In order to more fully understand technology contents of the invention, combined with specific embodiments below to technical solution of the present invention into
One step introduction and explanation, but not limited to this.
Such as Fig. 1 to specific embodiment shown in Fig. 7, the invention discloses a kind of test circuits for detecting machine core audio function
And method；Wherein, as shown in Fig. 1 to Fig. 6, the test circuit of machine core audio function, including one or more machine are detected
Core unit 10, the test key 20 being connect with machine core unit 10, LED light control circuit 30 and LED light 40；Test key
20 and LED light 40 quantity it is corresponding with machine core unit 10；Machine core unit 10 includes machine core shell 11, and is set to machine core shell
Circuit board 12 inside 11；Circuit board 12 be equipped with microprocessor 121, the LCD display circuit 122 being connect with microprocessor 122,
Key circuit 123, clock circuit 124 and buzzing oscillating circuit 125.
Wherein, the test of load sound is substituted using LED light 40, it is bright by LED light 40 or do not work, it can
The quality for intuitively distinguishing very much sound and oscillating circuit in timepiece movement, improves production detection efficiency and detection effect.
Specifically, as shown in Figures 1 to 6, bluetooth module 126, backlight circuit 127 and step counting are additionally provided on circuit board 12
Device 128；Bluetooth module 126, backlight circuit 127 and pedometer 128 are connect with microprocessor 121；Further, backlight electricity
Road 127 is EL light tiles.
Wherein, in the present embodiment, pedometer 128 uses motion state inductor (the 3-axis acceleration sensing of three-dimensional regular movements
Device), this inductor can sense the moving situations such as acceleration or the vibration of different directions by capacitive accelerometer.
Wherein, in the present embodiment, the quantity of machine core unit 10 is 2-10, realizes while detecting multiple machine core sound
Function, it is high-efficient.
Further, in the present embodiment, machine core is jumping-figure watch electronic core or the hand-manipulating of needle+jumping-figure watch electronic core.
Wherein, in the present embodiment, microprocessor 121 is 4 single-chip microcontrollers；Further, the model of 4 single-chip microcontrollers
S1C17W22 or S1C17W23.
Specifically, as shown in Figures 1 to 6, buzzing oscillating circuit 125 includes the resistance R1 connecting with microprocessor 121, with
The triode Q1 of resistance R1 connection, triode Q1 are connect by loading BZ with power vd D.
Wherein, inductance L1 is additionally provided between triode Q1 and power vd D；Inductance L1 is in parallel with load BZ.
Wherein, one end of resistance R1 is connect with microprocessor, and the other end is connect with the base stage of triode Q1, triode Q1's
The first end of emitter ground connection, the first end and inductance L1 of collector and load BZ connects, and loads the second end and inductance of BZ
The second end of L1 is connect with power vd D.
Specifically, as shown in Figures 1 to 6, LED light control circuit includes diode D1, the resistance connecting with diode D1
R2, the resistance R3 connecting with resistance R2, resistance R4 and triode Q2, the resistance R5 connecting with triode Q2 are connect with resistance R5
LED light.
Wherein, the anode of diode D1 is connect with the collector of triode Q1, and the of the cathode of diode D1 and resistance R2
One end connection, the second end of resistance R2 are connect with the base stage of the first end of resistance R3, the first end of resistance R4 and triode Q2,
The second end of resistance R3 is connect with power vd D, the second end of resistance R4 ground connection, the emitter ground connection of triode Q2, collector with
The first end of resistance R5 connects, and the second end of resistance R5 and the cathode of LED light connect, the anode and power supply of LED light
VDD connection.
Wherein, the principle for detecting the test circuit of machine core audio function is as follows: when pressing corresponding function key, micro process
Device issue a pulse signal buzz circuit is vibrated, resonance and generate sound；When using LED light control circuit instead, then press
Lower test key, microprocessor equally issues a pulse signal and " newly-increased circuit " plays the role of boosting, is added to after boosting
Triode Q2 base stage causes LED light shinny simultaneously so that triode Q2 base potential is increased and is connected；As triode Q1
For base stage without input signal, power vd D is added in the voltage of triode Q2 base stage lower than three poles after resistance R3 and resistance R4 partial pressure
The conducting voltage of pipe Q1 and end, LED light does not work at this time；If inductance L1 opens a way, no-voltage is added to triode Q1 collection
Electrode, booster circuit are only added to triode Q2 base after resistance R3 and resistance R4 partial pressure without effect, that is, power vd D
Triode Q2 conducting voltage is not achieved at this time and ends for pole；When same inductance L1 short circuit, also regardless of microprocessor output high level
It is low level, mono- tunnel power supply DC voltage VDD is applied directly to triode Q1 collector, does not have boosting；And another way VDD
It is added to triode Q2 base stage by diode D1, resistance R2 and resistance R4 partial pressure, current potential is lower than triode Q2 conducting voltage at this time
And end.The test of load sound is substituted using LED light；It is bright by LED indication or do not work and intuitively judge wrist-watch very
The quality of sound and oscillating circuit in machine core.
Wherein, in the present embodiment, the audio function of multiple machine cores can be tested simultaneously, and can be suitably used for noisy environment and makes an uproar
Middle test；Sound load (buzzer) corresponding to each LED light substitution timepiece movement, LED light all light indicate institute
All machine core product audio functions of test be it is normal, the wrist-watch sound not worked corresponding to that if there is one is abnormal
(each product is not interfere with each other).
As shown in fig. 7, including the following steps the invention also discloses a kind of test method for detecting machine core audio function；
S1 is powered on, and presses test key；
S2, microprocessor issue pulse signal, and the pulse signal that buzzing oscillating circuit is exported according to microprocessor shakes
It swings；
S3, LED light control circuit acquire level signal, and the state of LED light is controlled according to collection result；
S4 judges whether LED light is illuminating state；
S5, if LED light is shinny, machine core audio function is normal；
S6, if LED light does not work, machine core audio function is abnormal.
The test method, both can be same using sound load (buzzer) corresponding to LED light substitution timepiece movement
When test multiple machine cores audio function and product oscillating circuit SMT welding procedure it is whether good, and can be suitably used in noisy ring
Border is made an uproar middle test；Sound load (buzzer) corresponding to each LED light substitution timepiece movement, when LED light all light
Indicate that all machine core product audio functions for being tested are timepiece movement sound that is normal, not worked corresponding to that if there is one
For abnormal (each product is not interfere with each other)；This method both can be suitably used for when timepiece movement produces while detect multiple machine cores
Audio function, moreover it is possible to which the environment big suitable for noise is more able to satisfy actual production demand；Portable acoustic class in addition to wrist-watch
Electronic product can be used the method and be tested.
It is above-mentioned that technology contents of the invention are only further illustrated with embodiment, in order to which reader is easier to understand, but not
It represents embodiments of the present invention and is only limitted to this, any technology done according to the present invention extends or recreation, by of the invention
Protection.Protection scope of the present invention is subject to claims.
Claims (10)
1. a kind of test circuit for detecting machine core audio function, which is characterized in that including one or more machine core unit,
The test key being connect with the machine core unit, LED light control circuit and LED light；The test key and LED indication
The quantity of lamp is corresponding with machine core unit；The machine core unit includes machine core shell, and the circuit board inside machine core shell；It is described
Circuit board is equipped with microprocessor, the LCD display circuit connecting with the microprocessor, key circuit, clock circuit and buzzing
Oscillating circuit.
2. a kind of test circuit for detecting machine core audio function according to claim 1, which is characterized in that the circuit board
On be additionally provided with bluetooth module, backlight circuit and pedometer；The bluetooth module, backlight circuit and pedometer with micro- place
Manage device connection；The backlight circuit is EL light tiles.
3. a kind of test circuit for detecting machine core audio function according to claim 1, which is characterized in that the machine core list
The quantity of member is 2-10.
4. a kind of test circuit for detecting machine core audio function according to claim 1, which is characterized in that the micro process
Device is 4 single-chip microcontrollers；The model S1C17W22 of 4 single-chip microcontrollers.
5. a kind of test circuit for detecting machine core audio function according to claim 1, which is characterized in that the buzzing vibration
Swinging circuit includes the resistance R1 connecting with the microprocessor, and the triode Q1 connecting with resistance R1, triode Q1 pass through load
BZ is connect with power vd D.
6. a kind of test circuit for detecting machine core audio function according to claim 5, which is characterized in that the triode
Inductance L1 is additionally provided between Q1 and power vd D；The inductance L1 is in parallel with load BZ.
7. a kind of test circuit for detecting machine core audio function according to claim 6, which is characterized in that the resistance R1
One end connect with microprocessor, the other end is connect with the base stage of triode Q1, the emitter of triode Q1 ground connection, current collection
Pole and load BZ first end and inductance L1 first end connect, it is described load BZ second end and inductance L1 second end with
Power vd D connection.
8. a kind of test circuit for detecting machine core audio function according to claim 7, which is characterized in that the LED light
Control circuit includes diode D1, the resistance R2 connecting with diode D1, the resistance R3 connecting with resistance R2, resistance R4 and three
Pole pipe Q2, the resistance R5 being connect with triode Q2, the LED light being connect with resistance R5.
9. a kind of test circuit for detecting machine core audio function according to claim 8, which is characterized in that the diode
The anode of D1 is connect with the collector of triode Q1, and the cathode of diode D1 is connect with the first end of resistance R2, and the of resistance R2
Two ends are connect with the base stage of the first end of resistance R3, the first end of resistance R4 and triode Q2, the second end and power supply of resistance R3
VDD connection, the second end ground connection of resistance R4, the emitter ground connection of triode Q2, collector are connect with the first end of resistance R5, electricity
The cathode of the second end and LED light that hinder R5 connects, and the anode of LED light is connect with power vd D.
10. a kind of test method for detecting machine core audio function, which is characterized in that include the following steps；
S1 is powered on, and presses test key；
S2, microprocessor issue pulse signal, and the pulse signal that buzzing oscillating circuit is exported according to microprocessor vibrates；
S3, LED light control circuit acquire level signal, and the state of LED light is controlled according to collection result；
S4 judges whether LED light is illuminating state；
S5, if LED light is lighted, machine core audio function is normal；
S6, if LED light does not work, machine core audio function is abnormal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406450.5A CN109342854A (en) | 2018-11-23 | 2018-11-23 | A kind of test circuit and method detecting machine core audio function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406450.5A CN109342854A (en) | 2018-11-23 | 2018-11-23 | A kind of test circuit and method detecting machine core audio function |
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Family
ID=65317338
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