CN208076593U - A kind of Electronics and Information Engineering universal meter - Google Patents
A kind of Electronics and Information Engineering universal meter Download PDFInfo
- Publication number
- CN208076593U CN208076593U CN201820080879.9U CN201820080879U CN208076593U CN 208076593 U CN208076593 U CN 208076593U CN 201820080879 U CN201820080879 U CN 201820080879U CN 208076593 U CN208076593 U CN 208076593U
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- resistance
- integrated circuit
- diode
- watchcase
- capacitance
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Abstract
The utility model discloses a kind of Electronics and Information Engineering universal meter, including watchcase, the watchcase is internally provided with microcontroller, is set on the watchcase there are two jack, is all provided with that there are one test pencils on each jack；Watchcase is internally provided with accumulator, accumulator is electrically connected with charging module, charging module includes charging circuit, charging circuit includes the first integrated circuit, second integrated circuit, first resistor, second resistance, 3rd resistor, 4th resistance, 5th resistance, 6th resistance, 7th resistance and inductance, in the Electronics and Information Engineering universal meter, pass through charging circuit, 15V DC voltage power supplies are converted to constant-current source by the first integrated circuit, it may be implemented to carry out constant charge to accumulator, improve the stabilization and reliability of charging, the second integrated circuit can indicate the charged state of accumulator in real time simultaneously, further improve the reliability of charging, improve the reliability of universal meter, the utility model is designed reasonably, it is suitble to promote the use of.
Description
Technical field
The utility model is related to multimeter technical fields, and in particular to a kind of Electronics and Information Engineering universal meter.
Background technology
In existing Electronics and Information Engineering universal meter, there is accumulator in inside, when charging to it, due to
Charging current can not be controlled, charging current is unstable to be easy to causeing, and the performance for causing accumulator declines, and reduces
Its service life, reduces the practicability of universal meter.
Utility model content
The utility model is above-mentioned in order to overcome the shortcomings of, provides a kind of Electronics and Information Engineering universal meter, including watchcase, institute
The microcontroller that is internally provided with of watchcase is stated, is set on the watchcase there are two jack, is all provided with that there are one test pencils on each jack；
The watchcase is internally provided with accumulator, and the accumulator is electrically connected with charging module, and the charging module includes
Charging circuit, the charging circuit include the first integrated circuit, the second integrated circuit, first resistor, second resistance, third electricity
Resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the first capacitance, the second capacitance,
Three capacitances, the 4th capacitance, the 5th capacitance, the 6th capacitance, the 7th capacitance, the first light emitting diode, the second light emitting diode, first
Diode, the second diode, third diode, the 4th diode, the 5th diode and inductance, the type of first integrated circuit
Number it is AIC1563, the model AIC1766 of second integrated circuit, the first end of first integrated circuit passes through first
The second end of capacity earth, and external 15V DC voltage power supplies, first integrated circuit is integrated by third capacitance and first
8th end of circuit connects, and is connect with the cathode of the second diode, and the third end of first integrated circuit passes through the second electricity
Hold ground connection, the 4th end ground connection of first integrated circuit, the 5th end and the second integrated circuit of first integrated circuit
6th end of six end connecting, first integrated circuit is connect with the anode of third diode, first integrated circuit
7th end by the external 15V DC voltage power supplies of second resistance, the 7th end of first integrated circuit respectively with inductance and
Three resistance connect, and the 8th end of first integrated circuit is connect with the cathode of the first diode, and the anode of the diode is logical
It crosses the external 15V DC voltage power supplies of first resistor, the plus earth of second diode, and cathode and passes through inductance and third electricity
The series circuit of resistance composition is connect with the anode of third diode, and one end of the 4th capacitance is grounded, and the other end is respectively with the
Two resistance are connected with 3rd resistor, and the cathode of the third diode passes through the series circuit of the 5th resistance and the 6th resistance composition
Ground connection, the anode connection of the accumulator of the third diode, the cathode ground connection of the accumulator, the moon of the third diode
Pole is connect with the cathode of the 4th diode, the anode of the 4th diode by the external 15V DC voltage power supplies of the 4th resistance,
The plus earth of 5th diode, and the external 15V DC voltage power supplies of cathode, one end ground connection of the 6th capacitance, the other end
External 15V DC voltage power supplies, the first end of second integrated circuit by the 7th resistance respectively with the 5th resistance and the 6th
Resistance connects, and by the 5th capacity earth, the other end passes through the 7th resistance eutral grounding, second collection for one end of the 7th resistance
At the first end of circuit by the 7th capacity earth, the second end of second integrated circuit is connected with third end, and is grounded,
5th end of second integrated circuit is connect by the 9th resistance with the cathode of the second light emitting diode, the described second integrated electricity
6th end on road is connect by the 8th resistance with the cathode of the first light emitting diode, and the 7th end of second integrated circuit is external
15V DC voltage power supplies, the anode of first light emitting diode and the external 15V direct currents of the anode of the second light emitting diode
Voltage source.
Preferably, the watchcase is equipped with display screen, and the display screen is liquid crystal display.
Preferably, the watchcase is equipped with indicator light, and the indicator light includes dichromatic LED.
Preferably, it is additionally provided with loud speaker on the watchcase.
Preferably, button is additionally provided on the watchcase, the button is five in one button.
Preferably, the inside of the watchcase is additionally provided with antenna, the antenna and monolithic mechatronics.
The utility model has the beneficial effects that：It is integrated by charging circuit, first in the Electronics and Information Engineering universal meter
15V DC voltage power supplies are converted to constant-current source by circuit, be may be implemented to carry out constant charge to accumulator, are improved charging
Stable and reliability, while the second integrated circuit can indicate the charged state of accumulator in real time, further improve
The reliability of charging improves the reliability of universal meter.
Description of the drawings
The utility model will illustrate by example and with reference to the appended drawing, wherein：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the circuit diagram of the charging circuit of the utility model.
In figure：1. watchcase, 2. display screens, 3. indicator lights, 4. loud speakers, 5. buttons, 6. jacks, 7. test pencils, U1. first collect
At circuit, the second integrated circuits of U2., R1. first resistors, R2. second resistances, R3. 3rd resistors, the 4th resistance of R4., R5.
Five resistance, the 6th resistance of R6., the 7th resistance of R7., the 8th resistance of R8., the 9th resistance of R9., the first capacitances of C1., the second electricity of C2.
Hold, C3. third capacitances, the 4th capacitances of C4., the 5th capacitances of C5., the 6th capacitances of C6., the 7th capacitances of C7., LED1. first shines
Diode, the second light emitting diodes of LED2., the first diodes of VD1., the second diodes of VD2., VD3. third diodes, VD4.
4th diode, the 5th diodes of VD5., L1. inductance.
Specific implementation mode
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
As depicted in figs. 1 and 2, a kind of Electronics and Information Engineering universal meter, including watchcase 1, the watchcase 1 are internally provided with
Microcontroller is set on the watchcase 1 there are two jack 6, is all provided with that there are one test pencils 7 on each jack 6；
Wherein, signal connection is carried out by two test pencils 7, then carries out the detection and analysis of signal by internal microcontroller,
Realize reliable detection.
The watchcase 1 is internally provided with accumulator, and the accumulator is electrically connected with charging module, and the charging module includes
Charging circuit, the charging circuit include the first integrated circuit U1, the second integrated circuit U2, first resistor R1, second resistance R2,
3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9,
First capacitance C1, the second capacitance C2, third capacitance C3, the 4th capacitance C4, the 5th capacitance C5, the 6th capacitance C6, the 7th capacitance C7,
First Light-emitting diode LED 1, the second Light-emitting diode LED 2, the first diode VD1, the second diode VD2, third diode
VD3, the 4th diode VD4, the 5th diode VD5 and inductance L1, the model AIC1563 of the first integrated circuit U1, institute
The first end for stating the model AIC1766, the first integrated circuit U1 of the second integrated circuit U2 is grounded by the first capacitance C1,
And external 15V DC voltage power supplies, the second end of the first integrated circuit U1 pass through third capacitance C3 and the first integrated circuit
The 8th end of U1 connects, and is connect with the cathode of the second diode VD2, and the third end of the first integrated circuit U1 passes through second
Capacitance C2 ground connection, the 4th end ground connection of the first integrated circuit U1, the 5th end of the first integrated circuit U1 and the second collection
At the six end connecting of circuit U 2, the 6th end of the first integrated circuit U1 is connect with the anode of third diode VD3, described
The 7th end of first integrated circuit U1 by the external 15V DC voltage power supplies of second resistance R2, the first integrated circuit U1's
7th end is connect with inductance L1 and 3rd resistor R3 respectively, the 8th end and the first diode VD1 of the first integrated circuit U1
Cathode connection, the anode of the diode passes through the external 15V DC voltage power supplies of first resistor R1, second diode
The plus earth of VD2, and cathode passes through the anode of inductance L1 and 3rd resistor the R3 series circuit and third diode VD3 formed
Connection, one end ground connection of the 4th capacitance C4, the other end are connect with second resistance R2 and 3rd resistor R3 respectively, the third
The cathode of diode VD3 is grounded by the series circuit of the 5th resistance R5 and the 6th resistance R6 compositions, the third diode VD3
Accumulator anode connection, the accumulator cathode ground connection, the cathode and the 4th diode of the third diode VD3
The cathode of VD4 connects, and the anode of the 4th diode VD4 is by the external 15V DC voltage power supplies of the 4th resistance R4, and described the
One end of the plus earth of five diode VD5, and the external 15V DC voltage power supplies of cathode, the 6th capacitance C6 is grounded, outside the other end
Connect 15V DC voltage power supplies, the first end of the second integrated circuit U2 by the 7th resistance R7 respectively with the 5th resistance R5 and
6th resistance R6 connections, by the 5th capacitance C5 ground connection, the other end is connect by the 7th resistance R7 for one end of the 7th resistance R7
Ground, the first end of the second integrated circuit U2 by the 7th capacitance C7 ground connection, the second end of the second integrated circuit U2 and
Third end connects, and is grounded, and the 5th end of the second integrated circuit U2 passes through the 9th resistance R9 and the second light emitting diode
The cathode of LED2 connects, and the 6th end of the second integrated circuit U2 passes through the 8th resistance R8 and the first Light-emitting diode LED 1
Cathode connects, the external 15V DC voltage power supplies in the 7th end of the second integrated circuit U2, first Light-emitting diode LED 1
Anode and the second Light-emitting diode LED 2 the external 15V DC voltage power supplies of anode.
Wherein, in the charge circuit, 15V DC voltage power supplies are converted to constant-current source by the first integrated circuit U1, can be with
It realizes and constant charge is carried out to accumulator, improve the stabilization and reliability of charging, while the second integrated circuit U2 can be to storing
The charged state of battery is indicated in real time, further improves the reliability of charging, improves the reliability of universal meter.
Wherein, in the first integrated circuit U1, the 6th end can carry out Real-time Feedback detection to output current, to control
The size of current of output, while current-limiting protection can be carried out by third diode VD3, the protection to accumulator is improved, is carried
The high reliability of charging.
Preferably, the watchcase 1 is equipped with display screen 2, and the display screen 2 is liquid crystal display.
Preferably, the watchcase 1 is equipped with indicator light 3, and the indicator light 3 includes dichromatic LED.
Preferably, it is additionally provided with loud speaker 4 on the watchcase 1.
Preferably, button 5 is additionally provided on the watchcase 1, the button 5 is five in one button.
Preferably, the inside of the watchcase 1 is additionally provided with antenna, the antenna and monolithic mechatronics.
Wherein, display screen 2 can carry out real-time display to data；Indicator light 3 can refer to the state of universal meter
Show；Loud speaker 4 can carry out voice prompt；Button 5, for carrying out function selection；Antenna carries out remote data transmission, realizes
Remote monitoring.
Above-mentioned foundation the utility model is enlightenment, and through the above description, relevant staff completely can be not
In the range of deviateing this item utility model technological thought, various changes and amendments are carried out.This item utility model it is technical
Range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (6)
1. a kind of Electronics and Information Engineering universal meter, it is characterised in that：Including watchcase, the watchcase is internally provided with microcontroller,
It is set on the watchcase there are two jack, is all provided with that there are one test pencils on each jack；
The watchcase is internally provided with accumulator, and the accumulator is electrically connected with charging module, and the charging module includes charging
Circuit, the charging circuit include the first integrated circuit, the second integrated circuit, first resistor, second resistance, 3rd resistor, the
Four resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the first capacitance, the second capacitance, third electricity
Appearance, the 4th capacitance, the 5th capacitance, the 6th capacitance, the 7th capacitance, the first light emitting diode, the second light emitting diode, the one or two pole
Pipe, the second diode, third diode, the 4th diode, the 5th diode and inductance, the model of first integrated circuit
AIC1563, the model AIC1766 of second integrated circuit, the first end of first integrated circuit pass through the first capacitance
Ground connection, and external 15V DC voltage power supplies, the second end of first integrated circuit pass through third capacitance and the first integrated circuit
The connection of the 8th end, and connect with the cathode of the second diode, the third end of first integrated circuit is connect by the second capacitance
Ground, the 4th end ground connection of first integrated circuit, the 5th end of first integrated circuit and the 6th of the second integrated circuit the
End connection, the 6th end of first integrated circuit are connect with the anode of third diode, and the 7th of first integrated circuit the
By the external 15V DC voltage power supplies of second resistance, the 7th end of first integrated circuit is electric with inductance and third respectively at end
Resistance connection, the 8th end of first integrated circuit connect with the cathode of the first diode, and the anode of the diode passes through the
The external 15V DC voltage power supplies of one resistance, the plus earth of second diode, and cathode passes through inductance and 3rd resistor group
At series circuit connect with the anode of third diode, one end of the 4th capacitance ground connection, the other end respectively with the second electricity
Resistance is connected with 3rd resistor, and the cathode of the third diode is connect by the series circuit that the 5th resistance and the 6th resistance form
Ground, the anode connection of the accumulator of the third diode, the cathode ground connection of the accumulator, the cathode of the third diode
It is connect with the cathode of the 4th diode, the anode of the 4th diode passes through the external 15V DC voltage power supplies of the 4th resistance, institute
The plus earth of the 5th diode, and the external 15V DC voltage power supplies of cathode are stated, one end of the 6th capacitance is grounded, outside the other end
15V DC voltage power supplies are connect, the first end of second integrated circuit is electric with the 5th resistance and the 6th respectively by the 7th resistance
Resistance connection, by the 5th capacity earth, the other end is integrated by the 7th resistance eutral grounding, described second for one end of the 7th resistance
The first end of circuit is by the 7th capacity earth, and the second end of second integrated circuit is connected with third end, and is grounded, institute
The 5th end for stating the second integrated circuit is connect by the 9th resistance with the cathode of the second light emitting diode, second integrated circuit
The 6th end connect with the cathode of the first light emitting diode by the 8th resistance, the 7th end of second integrated circuit is external
15V DC voltage power supplies, the anode of first light emitting diode and the external 15V direct currents of the anode of the second light emitting diode
Voltage source.
2. a kind of Electronics and Information Engineering universal meter according to claim 1, it is characterised in that：The watchcase is equipped with aobvious
Display screen, the display screen are liquid crystal display.
3. a kind of Electronics and Information Engineering universal meter according to claim 1, it is characterised in that：The watchcase, which is equipped with, to be referred to
Show that lamp, the indicator light include dichromatic LED.
4. a kind of Electronics and Information Engineering universal meter according to claim 1, it is characterised in that：It is additionally provided on the watchcase
Loud speaker.
5. a kind of Electronics and Information Engineering universal meter according to claim 1, it is characterised in that：It is additionally provided on the watchcase
Button, the button are five in one button.
6. a kind of Electronics and Information Engineering universal meter according to claim 1, it is characterised in that：The inside of the watchcase is also
Equipped with antenna, the antenna and monolithic mechatronics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820080879.9U CN208076593U (en) | 2018-01-15 | 2018-01-15 | A kind of Electronics and Information Engineering universal meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820080879.9U CN208076593U (en) | 2018-01-15 | 2018-01-15 | A kind of Electronics and Information Engineering universal meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208076593U true CN208076593U (en) | 2018-11-09 |
Family
ID=64035369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820080879.9U Expired - Fee Related CN208076593U (en) | 2018-01-15 | 2018-01-15 | A kind of Electronics and Information Engineering universal meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208076593U (en) |
-
2018
- 2018-01-15 CN CN201820080879.9U patent/CN208076593U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20200115 |