CN105699901A - Multifunctional repairing instrument circuit - Google Patents
Multifunctional repairing instrument circuit Download PDFInfo
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- CN105699901A CN105699901A CN201410714582.XA CN201410714582A CN105699901A CN 105699901 A CN105699901 A CN 105699901A CN 201410714582 A CN201410714582 A CN 201410714582A CN 105699901 A CN105699901 A CN 105699901A
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Abstract
The invention discloses a multifunctional repairing instrument circuit, which comprises a main control chip, and a display screen, keys, a square wave output indicating lamp, a detection voltage indicating lamp, a voltage detection circuit and an A/D acquisition module which are connected on the main control chip. The multifunctional repairing instrument circuit further comprises a measuring pen, and a motor forward and reverse rotation indicating lamp, an analog resistor, a circuit on-off detection circuit and a small signal detection circuit which are connected on the measuring pen, wherein the voltage detection circuit and the AD acquisition module are connected with the measuring pen, and the motor forward and reverse rotation indicating lamp is connected with the AD acquisition module. The multifunctional repairing instrument circuit further comprises an illuminating lamp and a booster circuit. The multifunctional repairing instrument circuit disclosed by the invention can be used for a special tool instrument, particularly used for a circuit measuring and maintaining tool, and has very high practicability.
Description
Technical field
The present invention relates to the parameter measurement of lithium battery, be specifically related to a kind of Multifunctional repairing instrument circuit。
Background technology
When voltage to lithium cell charging with to lithium battery measures, existing method is to be measured by avometer or common current voltmeter, do so can make measurement process cumbersome, and measurement table function is incomplete, need the combination of multiple measurement apparatus just can measure total data, add trouble to the work of maintenance engineering teacher。
Summary of the invention
In order to solve the problems referred to above, the invention discloses a kind of Multifunctional repairing instrument circuit。
Technical scheme is as follows:
A kind of Multifunctional repairing instrument circuit, including main control chip and the display screen being connected on main control chip, button, square wave output indicator, detection voltage indicator lamp, voltage detecting circuit and AD acquisition module；Also include measuring pen and the motor positive and inverse display lamp, artifical resistance, circuit on-off testing circuit and the small-signal testing circuit that are connected 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 display lamp is connected with described AD acquisition module；Also include illuminating lamp and to booster circuit。
Its further technical scheme is: described illuminating lamp includes 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, connect the 7th pin of described main control chip to the 19th pin and the 21st pin to the 23rd 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 24th pin of described main control chip。
Its further technical scheme is: described voltage detecting circuit includes the first audion, 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 audion connects first resistance one end, and the first resistance other end connects the 24th pin of described main control chip；The emitter stage pole of described first audion 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。The common port of described electric capacity and the second resistance connects the second pin of described main control chip；The described second resistance other end connects the emitter stage of described first audion；Described first diode, the 3rd resistance and the second diode are sequentially connected in series, and first diode one end connects circuit high level, and second diode one end connects the colelctor electrode of described first audion；The common port of described 3rd resistance and the second diode connects described measuring pen。
Its further technical scheme is: described small-signal testing circuit includes the second audion, the 5th resistance, the 4th diode, the 5th diode；The grounded emitter of described second audion, base stage connects the 5th resistance one end, and the 5th resistance other end connects described measuring pen, and colelctor electrode connects the negative pole of the 4th diode, and the positive pole of the negative pole of the 4th diode connects circuit high level；Described 5th diode cathode ground connection, negative pole connects the base stage of the second audion。
The method have the benefit that:
(1) circuit disclosed by the invention can be used for professional tool instrument, is particularly useful for circuit measuring, maintenance apparatus, has significantly high practicality。
(2) present invention combines circuit on-off, voltmeter, analog square wave signal, artifical resistance, small-signal detection and loading functional, and function is many, for making a kind of multiple purposes of instrument in examining-repairing instrument, very convenient。
(3) present invention has been provided with state liquid crystal display function, buzzing prompt facility, can be clearly apparent the state of circuit under test at any time from display screen。
Accompanying drawing explanation
Fig. 1 is block diagram of the present invention。
Fig. 2 is circuit diagram of the present invention。
Detailed description of the invention
Fig. 1 is block diagram of the present invention。The present invention includes main control chip 1 and the display screen 2 being 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；Also include measuring pen 9 and the motor positive and inverse display lamp 8, artifical resistance 10, circuit on-off testing circuit 11 and the small-signal testing circuit 12 that are 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 display lamp 8 is connected with AD acquisition module 7；Also include illuminating lamp 14 and booster circuit 13。Described illuminating lamp 14 can illuminate for display screen 2, and the lithium battery voltage of power supply 3.7V can be boosted as 5V for circuit work by described booster circuit 13。
Fig. 2 is circuit diagram of the present invention。
Illuminating lamp 14 includes liquid crystal illumination lamp D6 and preposition illuminating lamp D7, can pass through to switch switching。
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 19th pin and the 21st pin to the 23rd pin。
Button 3 includes three buttons, respectively button K1, button K2 and button K3, is sequentially connected with the 7th pin of main control chip 1 to the 9th pin。
Square wave output indicator 4 includes light emitting diode D4, and its negative pole connects the first pin of main control chip 1, and positive pole connects resistance R8 one end, and the resistance R8 other end connects circuit high level。
Detection voltage indicator lamp 5 includes light emitting diode D8, and its negative pole connects the 6th pin of main control chip 1, and positive pole connects resistance R9 one end, and the resistance R9 other end connects circuit high level。
AD acquisition module 7 includes resistance R1 and resistance R13, resistance R1 and resistance R13 series connection, 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 24th pin of main control chip 1。Voltage detecting circuit 6 includes audion Q1, resistance R3, resistance R4, resistance R5, resistance R6, diode D2, diode D15, diode D17 and electric capacity C2。The base stage of audion Q1 connects resistance R3 one end, and the resistance R3 other end connects the 24th pin of main control chip 1；It is in parallel that the emitter stage pole of audion Q1 connects resistance R6 one end, resistance R6 other end ground connection, diode D17 and electric capacity C2, and one end connects resistance R4 one end, other end ground connection。The common port of electric capacity C2 and resistance R4 is connected the second pin of main control chip 1；The emitter stage of resistance R4 other end connecting triode Q1；Diode D2, resistance R5 and diode D15 are sequentially connected in series, and diode D2 one end connects circuit high level, the colelctor electrode of diode D15 one end connecting triode Q1；The common port of resistance R5 and diode D15 connects measuring pen 9。
Measuring pen 9 includes one end that red test pencil interface pricking with needle J2 and black meter pen interface pricking with needle J3, black meter pen interface pricking with needle J3 connect variable resistance V1, the other end ground connection of variable resistance V1；Red test pencil interface pricking with needle J2 connects multi-direction switch SW1, 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 display 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 display lamp 8 place can connect load。Artifical resistance 10 includes a rheostat R12。Small-signal testing circuit 12 includes audion D13, its grounded emitter, its base stage connects 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 colelctor electrode connecting luminous diode D11 of audion D13, the positive pole of light emitting diode D11 connects circuit high level, and light emitting diode D11 can as the small-signal display lamp detected。Circuit on-off testing circuit 11 includes buzzer BELL, if circuit ON being detected, buzzer BELL can send auditory tone cues。
Button K1, button K2 and button K3 are three button touch-switch: button K1 be function key, button K2 for increment (+), button K3 be 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, instant playback goes out the respective value after regulating, and after adjustment, directly exports regulated value。Choosing the output pin of system during frequency duty cycle mode just has square-wave signal to export, and exports without square wave when voltage measurement, and when having square wave to export, the light emitting diode D4 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 voltage is measured, when system battery magnitude of voltage is lower than battery nominal value parameter, it is possible to glimmered by the battery symbol in LCDs and represent that battery electric quantity is inadequate, now need to change battery。When measured lithium battery magnitude of voltage range below full value parameter or equal to battery nominal value time can show on liquid crystal " not charging "；" charging less than normal " can be shown on liquid crystal during lower than full value parameter when the ranging for being higher than battery nominal value of magnitude of voltage；When showing on liquid crystal " charging is normal " when ranging for battery full value or slightly higher full value of magnitude of voltage；Display " charging bigger than normal " on liquid crystal when ranging for more than more than full value parameter 2V when magnitude of voltage。In square wave output function, square wave frequency is adjustable, and adjusting range is 1Hz～2KHz, every 1HZ stepping, if long button K2, then Fast Marching, after highest frequency 2KHz, returns to 1HZ, circulation。Duty cycle square wave is adjustable, and adjustable extent is 1%～100%, every 1% stepping, long keying button K1, then Fast Marching, after 100%, returns to 1%, circulation。The lithium battery voltage of power supply 3.7V can be boosted as 5V for circuit work by booster circuit 13。Instrument after without any operation 15 minutes, then enters holding state, when there being button operation, then wakes up。
Above-described is only the preferred embodiment of the present invention, the invention is not restricted to above example。It is appreciated that the oher improvements and changes that those skilled in the art directly derive without departing from the spirit and concept in the present invention or associate, is all considered as being included within protection scope of the present invention。
Claims (5)
1. a Multifunctional repairing instrument circuit, it is characterised in that: include main control chip (1) and the display screen (2) being 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)；Also include measuring pen (9) and the motor positive and inverse display lamp (8) being connected in measuring pen (9), artifical resistance (10), circuit on-off testing circuit (11) and small-signal testing circuit (12)；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 display lamp (8) is connected with described AD acquisition module (7)；Also include illuminating lamp (14) and to booster circuit (13)。
2. Multifunctional repairing instrument circuit as claimed in claim 1, it is characterised in that: described illuminating lamp (14) includes 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, connect the 7th pin of described main control chip (1) to the 19th pin and the 21st pin to the 23rd 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 24th pin of described main control chip (1)。
4. Multifunctional repairing instrument circuit as claimed in claim 2, it is characterised in that: described voltage detecting circuit (6) includes the first audion (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 audion (Q1) connects the first resistance (R3) one end, and the first resistance (R3) other end connects the 24th pin of described main control chip (1)；The emitter stage pole of described first audion (Q1) connects the 4th resistance (R6) one end, 4th resistance (R6) other end ground connection, described 3rd diode (D17) and electric capacity (C2) are in parallel, 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 stage of described first audion (Q1)；Described first diode (D2), the 3rd resistance (R5) and the second diode (D15) are sequentially connected in series, first diode (D2) one end connects circuit high level, and the second diode (D15) one end connects the colelctor electrode of described first audion (Q1)；The common port of described 3rd resistance (R5) and the second diode (D15) connects described measuring pen (9)。
5. Multifunctional repairing instrument circuit as claimed in claim 2, it is characterised in that: described small-signal testing circuit (12) includes the second audion (D), the 5th resistance (R10), the 4th diode (D11), the 5th diode (D12)；The grounded emitter of described second audion (D13), base stage connects the 5th resistance (R10) one end, 5th resistance (R10) other end connects described measuring pen (9), colelctor electrode connects the negative pole of the 4th diode (D11), and the positive pole of the negative pole of the 4th diode (D11) connects circuit high level；Described 5th diode (D12) plus earth, negative pole connects the base stage of the second audion (D13)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714582.XA CN105699901A (en) | 2014-11-29 | 2014-11-29 | Multifunctional repairing instrument circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714582.XA CN105699901A (en) | 2014-11-29 | 2014-11-29 | Multifunctional repairing instrument circuit |
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| CN105699901A true CN105699901A (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410714582.XA Pending CN105699901A (en) | 2014-11-29 | 2014-11-29 | Multifunctional repairing instrument circuit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645969A (en) * | 2017-02-17 | 2017-05-10 | 山东辰宇稀有材料科技有限公司 | Portable semiconductor non-contact resistivity tester and use method thereof |
| CN108872685A (en) * | 2018-09-28 | 2018-11-23 | 广东电网有限责任公司 | Voltage measurement pen |
| CN109991504A (en) * | 2019-03-19 | 2019-07-09 | 广东电网有限责任公司 | A kind of Substation secondary circuit on-off measuring instrument |
| CN110308416A (en) * | 2019-07-17 | 2019-10-08 | 陕西千山航空电子有限责任公司 | A kind of Underwater Navigation beacon detector and detection method |
-
2014
- 2014-11-29 CN CN201410714582.XA patent/CN105699901A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645969A (en) * | 2017-02-17 | 2017-05-10 | 山东辰宇稀有材料科技有限公司 | Portable semiconductor non-contact resistivity tester and use method thereof |
| CN106645969B (en) * | 2017-02-17 | 2023-07-04 | 山东辰宇稀有材料科技有限公司 | Portable semiconductor non-contact resistivity tester and use method thereof |
| CN108872685A (en) * | 2018-09-28 | 2018-11-23 | 广东电网有限责任公司 | Voltage measurement pen |
| CN109991504A (en) * | 2019-03-19 | 2019-07-09 | 广东电网有限责任公司 | A kind of Substation secondary circuit on-off measuring instrument |
| CN109991504B (en) * | 2019-03-19 | 2024-04-16 | 广东电网有限责任公司 | Transformer substation secondary circuit on-off measuring instrument |
| CN110308416A (en) * | 2019-07-17 | 2019-10-08 | 陕西千山航空电子有限责任公司 | A kind of Underwater Navigation beacon detector and detection method |
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Application publication date: 20160622 |