CN204330990U - Multifunctional repairing instrument circuit - Google Patents
Multifunctional repairing instrument circuit Download PDFInfo
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- CN204330990U CN204330990U CN201420740331.4U CN201420740331U CN204330990U CN 204330990 U CN204330990 U CN 204330990U CN 201420740331 U CN201420740331 U CN 201420740331U CN 204330990 U CN204330990 U CN 204330990U
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Abstract
The utility model discloses a kind of Multifunctional repairing instrument circuit, comprise main control chip and the display screen be connected on main control chip, button, square wave output indicator, detection voltage indicator lamp, voltage detecting circuit and AD acquisition module; Also comprise measuring pen and be connected to motor positive and inverse pilot lamp, artifical resistance, circuit on-off testing circuit and the small-signal testing circuit in measuring pen; Described voltage detecting circuit is connected with described measuring pen respectively with described AD acquisition module, and described motor positive and inverse pilot lamp is connected with described AD acquisition module; Also comprise illuminating lamp and booster circuit.Circuit disclosed in the utility model can be used for professional tool instrument, is particularly useful for circuit measuring, maintenance apparatus, has very high practicality.
Description
Technical field
The utility model relates to the parameter measurement of lithium battery, is specifically related to a kind of Multifunctional repairing instrument circuit.
Background technology
To lithium cell charging with when measuring the voltage of lithium battery, existing method is measured by universal electric meter or common current voltmeter, do like this and measuring process can be made extremely to bother, and measurement table function is incomplete, need multiple measurement apparatus to combine and just can measure total data, add trouble to the work of maintenance engineering teacher.
Utility model content
In order to solve the problem, the utility model discloses a kind of Multifunctional repairing instrument circuit.
The technical solution of the utility model is as follows:
A kind of Multifunctional repairing instrument circuit, comprises main control chip and the display screen be connected on main control chip, button, square wave output indicator, detection voltage indicator lamp, voltage detecting circuit and AD acquisition module; Also comprise measuring pen and be connected to motor positive and inverse pilot lamp, artifical resistance, circuit on-off testing circuit and the small-signal testing circuit in measuring pen; Described voltage detecting circuit is connected with described measuring pen respectively with described AD acquisition module, and described motor positive and inverse pilot lamp is connected with described AD acquisition module; Also comprise illuminating lamp and booster circuit.
Its further technical scheme is: described illuminating lamp comprises liquid crystal illumination lamp and preposition illuminating lamp.
Its further technical scheme is: the model of described main control chip is 4XR06X, described display screen is LED display, the 7th pin connecting described main control chip is to the 19 pin and the 21 pin to the 23 pin, described button connects the 7th pin of described main control chip to the 9th pin, described square wave output indicator connects the first pin of described main control chip, and described detection voltage indicator lamp connects the 6th pin of described main control chip; Described AD acquisition module one end connects the 4th pin of described main control chip, and the other end connects described measuring pen; Described voltage detecting circuit connects the second pin and the 24 pin of described main control chip.
Its further technical scheme is: described voltage detecting circuit comprises the first triode, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the first diode, the second diode, the 3rd diode, electric capacity; The base stage of described first triode connects first resistance one end, and the first resistance other end connects the 24 pin of described main control chip; The emitter pole of described first triode connects the 4th resistance one end, the 4th resistance other end ground connection, described 3rd diode and Capacitance parallel connection, and one end connects described second resistance one end, other end ground connection.Described electric capacity is connected the second pin of described main control chip with the common port of the second resistance; The described second resistance other end connects the emitter of described first triode; Described first diode, the 3rd resistance and the second diode are connected successively, first diode one end connecting circuit high level, and second diode one end connects the collector of described first triode; Described 3rd resistance is connected described measuring pen with the common port of the second diode.
Its further technical scheme is: described small-signal testing circuit comprises the second triode, the 5th resistance, the 4th diode, the 5th diode; The grounded emitter of described second triode, base stage connects the 5th resistance one end, and the 5th resistance other end connects described measuring pen, and collector connects the negative pole of the 4th diode, the positive pole connecting circuit high level of the negative pole of the 4th diode; Described 5th diode cathode ground connection, negative pole connects the base stage of the second triode.
Advantageous Effects of the present utility model is:
(1) circuit disclosed in the utility model can be used for professional tool instrument, is particularly useful for circuit measuring, maintenance apparatus, has very high practicality.
(2) the utility model combines circuit on-off, voltage table, analog square wave signal, artifical resistance, small-signal detection and loading functional, and function is many, for making the multiple purposes of a kind of instrument in examining-repairing instrument, very convenient.
(3) the utility model has been provided with state liquid crystal Presentation Function, buzzing prompt facility, can the clear state seeing circuit under test from display screen at any time.
Accompanying drawing explanation
Fig. 1 is the utility model block diagram.
Fig. 2 is the utility model circuit diagram.
Embodiment
Fig. 1 is the utility model block diagram.The utility model comprises main control chip 1 and the display screen 2 be connected on main control chip 1, button 3, square wave output indicator 4, detection voltage indicator lamp 5, voltage detecting circuit 6 and AD acquisition module 7; The motor positive and inverse pilot lamp 8, artifical resistance 10, circuit on-off testing circuit 11 and the small-signal testing circuit 12 that also comprise measuring pen 9 and be connected in measuring pen 9; Voltage detecting circuit 6 is connected with measuring pen 9 with AD acquisition module 7 simultaneously respectively, and motor positive and inverse pilot lamp 8 is connected with AD acquisition module 7; Also comprise illuminating lamp 14 and booster circuit 13.Described illuminating lamp 14 can be display screen 2 and throws light on, and described booster circuit 13 can by the boosting of the lithium battery voltage of power supply 3.7V for 5V be for circuit working.
Fig. 2 is the utility model circuit diagram.
Illuminating lamp 14 comprises liquid crystal illumination lamp D6 and preposition illuminating lamp D7, by switching over.
The model of main control chip 1 is 4XR06X.
Display screen 2 is LED display, connects the 7th pin of main control chip 1 to the 19 pin and the 21 pin to the 23 pin.
Button 3 comprises three buttons, is respectively button K1, button K2 and button K3, connects the 7th pin of main control chip 1 successively to the 9th pin.
Square wave output indicator 4 comprises light emitting diode D4, and its negative pole connects the first pin of main control chip 1, positive pole contact resistance R8 one end, resistance R8 other end connecting circuit high level.
Detect voltage indicator lamp 5 and comprise light emitting diode D8, its negative pole connects the 6th pin of main control chip 1, positive pole contact resistance R9 one end, resistance R9 other end connecting circuit high level.
AD acquisition module 7 comprises resistance R1 and resistance R13, and resistance R1 and resistance R13 connects, and one end of resistance R1 connects measuring pen 9, resistance R13 one end ground connection, and its common port connects the 4th pin of main control chip 1.
Voltage detecting circuit 6 connects the second pin and the 24 pin of main control chip 1.Voltage detecting circuit 6 comprises triode Q1, resistance R3, resistance R4, resistance R5, resistance R6, diode D2, diode D15, diode D17 and electric capacity C2.Base stage contact resistance R3 one end of triode Q1, the resistance R3 other end connects the 24 pin of main control chip 1; Contact resistance R6 one end, emitter pole of triode Q1, resistance R6 other end ground connection, diode D17 and electric capacity C2 is in parallel, contact resistance R4 one end, one end, other end ground connection.Electric capacity C2 is connected the second pin of main control chip 1 with the common port of resistance R4; The emitter of resistance R4 other end connecting triode Q1; Diode D2, resistance R5 and diode D15 connect successively, diode D2 one end connecting circuit high level, the collector of diode D15 one end connecting triode Q1; Resistance R5 is connected measuring pen 9 with the common port of diode D15.
Measuring pen 9 comprises red test pencil interface row pin J2 and black meter pen interface row pin J3, and black meter pen interface row pin J3 connects one end of variable resistor V1, the other end ground connection of variable resistor V1; Red test pencil interface row pin J2 connects multi-direction switch SW1, and multi-direction switch SW1 can connect voltage detecting circuit 6, AD acquisition module 7, artifical resistance 10, small-signal testing circuit 12, motor positive and inverse pilot lamp 8, circuit on-off testing circuit 11 respectively.By adjusting this multi-direction switch, the measure the item of convertible measuring instrument.
Motor positive and inverse pilot lamp 8 place can connect load.Artifical resistance 10 comprises a rheostat R12.Small-signal testing circuit 12 comprises triode D13, its grounded emitter, its base stage contact resistance R10, the other end of resistance R10 connects the multi-direction switch at red test pencil place in measuring pen 9, the negative pole of the collector connecting luminous diode D11 of triode D13, the positive pole connecting circuit high level of light emitting diode D11, light emitting diode D11 can be used as the small-signal pilot lamp detected.Circuit on-off testing circuit 11 comprises hummer BELL, if circuit ON detected, hummer BELL can sound prompting.
Button K1, button K2 and button K3 are three button touch-switchs: button K1 is function key, button K2 is increment (+), button K3 is depreciation (-).Button K1 act as the functions such as switching frequency, dutycycle, voltage measurement.When depresses button K1 adjusts square wave frequency parameter, display screen 2 shows corresponding character " Hz frequency ", " % dutycycle ", meanwhile, show size and the frequency values of the dutycycle of current output; When depresses button K2, button K3, the respective value after instant playback goes out to regulate, after adjustment, direct Drazin inverse value.The output pin choosing system during frequency duty cycle mode just has square-wave signal to export, export without square wave when voltage measurement, light emitting diode D4 when having square wave to export in square wave output indicator 4 lights, and the light on and off of light emitting diode D4 are by square-wave synchronous frequency control.When needing to measure voltage, when system battery magnitude of voltage is lower than battery nominal value parameter, can represents that battery electric quantity is inadequate by the battery symbol flicker in LCDs, now need to change battery.When the scope of the magnitude of voltage of measured lithium battery can show " not charging " lower than full value parameter or when equaling battery nominal value on liquid crystal; When magnitude of voltage scope for higher than battery nominal value lower than showing on liquid crystal during full value parameter " charging less than normal "; When the scope of magnitude of voltage be battery full value or slightly high full value time show on liquid crystal " charging is normal "; When the scope of magnitude of voltage for showing " charging bigger than normal " when being greater than more than full value parameter 2V on liquid crystal.In square wave output function, square wave frequency is adjustable, and setting range is 1Hz ~ 2KHz, every 1HZ stepping, if long button K2, then Fast Marching, after highest frequency 2KHz, gets back to 1HZ, circulation.Duty cycle square wave is adjustable, and adjustable extent is 1% ~ 100%, every 1% stepping, and length presses key K1, then Fast Marching, after 100%, gets back to 1%, circulation.Booster circuit 13 can by the boosting of the lithium battery voltage of power supply 3.7V for 5V be for circuit working.Instrument, after 15 minutes, then entering holding state without any operation, when there being button operation, is then waken up.
Above-described is only preferred implementation of the present utility model, and the utility model is not limited to above embodiment.Be appreciated that the oher improvements and changes that those skilled in the art directly derive or associate under the prerequisite not departing from spirit of the present utility model and design, all should think and be included within protection domain of the present utility model.
Claims (5)
1. a Multifunctional repairing instrument circuit, is characterized in that: comprise main control chip (1) and be connected to display screen (2) on main control chip (1), button (3), square wave output indicator (4), detect voltage indicator lamp (5), voltage detecting circuit (6) and AD acquisition module (7); Also comprise measuring pen (9) and be connected to motor positive and inverse pilot lamp (8), artifical resistance (10), circuit on-off testing circuit (11) and the small-signal testing circuit (12) in measuring pen (9); Described voltage detecting circuit (6) is connected with described measuring pen (9) respectively with described AD acquisition module (7), and described motor positive and inverse pilot lamp (8) is connected with described AD acquisition module (7); Also comprise illuminating lamp (14) and booster circuit (13).
2. Multifunctional repairing instrument circuit as claimed in claim 1, is characterized in that: described illuminating lamp (14) comprises liquid crystal illumination lamp (D6) and preposition illuminating lamp (D7).
3. Multifunctional repairing instrument circuit as claimed in claim 1, it is characterized in that: the model of described main control chip (1) is 4XR06X, described display screen (2) is LED display, the 7th pin connecting described main control chip (1) is to the 19 pin and the 21 pin to the 23 pin, described button (3) connects the 7th pin of described main control chip (1) to the 9th pin, described square wave output indicator (4) connects the first pin of described main control chip (1), described detection voltage indicator lamp (5) connects the 6th pin of described main control chip (1), described AD acquisition module (7) one end connects the 4th pin of described main control chip (1), and the other end connects described measuring pen (9), described voltage detecting circuit (6) connects the second pin and the 24 pin of described main control chip (1).
4. Multifunctional repairing instrument circuit as claimed in claim 2, is characterized in that: described voltage detecting circuit (6) comprises the first triode (Q1), the first resistance (R3), the second resistance (R4), the 3rd resistance (R5), the 4th resistance (R6), the first diode (D2), the second diode (D15), the 3rd diode (D17), electric capacity (C2); The base stage of described first triode (Q1) connects the first resistance (R3) one end, and the first resistance (R3) other end connects the 24 pin of described main control chip (1); The emitter pole of described first triode (Q1) connects the 4th resistance (R6) one end, 4th resistance (R6) other end ground connection, described 3rd diode (D17) and electric capacity (C2) parallel connection, one end connects described second resistance (R4) one end, other end ground connection; Described electric capacity (C2) is connected the second pin of described main control chip (1) with the common port of the second resistance (R4); Described second resistance (R4) other end connects the emitter of described first triode (Q1); Described first diode (D2), the 3rd resistance (R5) and the second diode (D15) are connected successively, first diode (D2) one end connecting circuit high level, the second diode (D15) one end connects the collector of described first triode (Q1); Described 3rd resistance (R5) is connected described measuring pen (9) with the common port of the second diode (D15).
5. Multifunctional repairing instrument circuit as claimed in claim 2, is characterized in that: described small-signal testing circuit (12) comprises the second triode (D13), the 5th resistance (R10), the 4th diode (D11), the 5th diode (D12); The grounded emitter of described second triode (D13), base stage connects the 5th resistance (R10) one end, 5th resistance (R10) other end connects described measuring pen (9), collector connects the negative pole of the 4th diode (D11), the positive pole connecting circuit high level of the negative pole of the 4th diode (D11); Described 5th diode (D12) plus earth, negative pole connects the base stage of the second triode (D13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420740331.4U CN204330990U (en) | 2014-11-29 | 2014-11-29 | Multifunctional repairing instrument circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420740331.4U CN204330990U (en) | 2014-11-29 | 2014-11-29 | Multifunctional repairing instrument circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204330990U true CN204330990U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420740331.4U Expired - Fee Related CN204330990U (en) | 2014-11-29 | 2014-11-29 | Multifunctional repairing instrument circuit |
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| Country | Link |
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| CN (1) | CN204330990U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771980A (en) * | 2017-01-16 | 2017-05-31 | 京东方科技集团股份有限公司 | A kind of flexible circuit board detecting device and detection method |
-
2014
- 2014-11-29 CN CN201420740331.4U patent/CN204330990U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771980A (en) * | 2017-01-16 | 2017-05-31 | 京东方科技集团股份有限公司 | A kind of flexible circuit board detecting device and detection method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20151129 |