CN207472943U - A kind of electrotechnical, electronic surveys electric installation - Google Patents
A kind of electrotechnical, electronic surveys electric installation Download PDFInfo
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- CN207472943U CN207472943U CN201721653182.8U CN201721653182U CN207472943U CN 207472943 U CN207472943 U CN 207472943U CN 201721653182 U CN201721653182 U CN 201721653182U CN 207472943 U CN207472943 U CN 207472943U
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Abstract
A kind of electrotechnical, electronic surveys electric installation.The utility model is related to a kind of electrotechnical, electronics to survey electric installation.The debugging button I and the top setting display screen I for debugging button II, left side setting conductive jack I and the conductive jack II of the display screen I, the conductive jack I coordinates conductive rod to use with conductive jack II, and the conductive rod is connected on display screen II.The utility model surveys electricity for electrotechnical, electronic.
Description
Technical field
The utility model is related to a kind of electrotechnical, electronics to survey electric installation.
Background technology
Present multimeter becomes the article of electrical field human hand indispensability as conventional tool, but Special field is come
Say that the connection confusion due to electric wire needs reconnection after carrying out survey phase safe to use to ensure, it is big however, as existing phase detecting instrument
Majority is Assembling, is removed again after assembling use, not only causes the probability judged by accident when efficiency decline but also use high, to entire
Electric work is made troubles.
Invention content
The purpose of this utility model is to provide a kind of electrotechnical, electronic and surveys electric installation, conveniently looks for the phase of three-phase wire, also
Voltage is can measure, resistance, electric current is equivalent, has the characteristics of functional, easy to use.
Above-mentioned purpose is realized by following technical scheme：
A kind of electrotechnical, electronic surveys electric installation, and composition includes：Multimeter, the multimeter includes outer housing 1, described
Socket A2, socket B3 and socket C4, the socket A2, socket B3 and the top setting of socket C4 is set to debug on outer housing 1
Button I 5 and debugging button II 6,
The debugging button I 5 and the top setting display screen I 7 for debugging button II 6, the left side setting of the display screen I 7
Conductive jack I 8 and conductive jack II 9, the conductive jack I 8 coordinates conductive rod 10 to use with conductive jack II 9, described
Conductive rod 10 is connected on display screen II 11,
The display screen II 11 connects the inner shaft of telescopic shaft 12, and the outer shaft of the telescopic shaft 12 is fixed on outer housing 1
Right side, the display screen II 11 be inserted into outer housing 1 right side slot 13 in.
A kind of electrotechnical, electronic surveys electric installation, and the outer housing 1 is also loaded into the circuit board of phase finder, described
Circuit board include three input terminal A ends, B ends and C-terminal,
Connected after the A ends series resistance R1 one end of diode D1, one end of resistance R4, diode D4 one end,
No. 1 of NAND gate G1 end and No. 1 end of NAND gate G2, after the other end of the diode D1 is connect with the other end of resistance R4
Ground connection,
One end of diode D2, one end of resistance R5 and one end of diode D5 are connected after the B ends series resistance R2,
The other end of the diode D2 is grounded after being connect with the other end of resistance R5,
Connected after the C-terminal series resistance R3 one end of diode D3, one end of resistance R6, diode D6 one end,
No. 2 of NAND gate G2 ends and No. 1 end of NAND gate G4, after the other end of the diode D3 is connect with the other end of resistance R6
Ground connection,
No. 1 end of the output terminal connection NAND gate G3 of the NAND gate G1, No. 2 end connections of the NAND gate G3 with
The output terminal of NOT gate G2, No. 2 ends of the output terminal and NAND gate G4 of No. 2 end connection NAND gate G2 of the NAND gate G1,
The other end of the other end connection diode D5 of the diode D4, the other end, the triode Q1 of diode D6
Emitter e, one end of resistance R11 and one end of battery,
The output terminal of the NAND gate G4 by the base stage b of resistance R7 connecting triodes Q1,
One end of the collector c connection resistance R8 of the triode Q1, the other end connection resistance of the resistance R8
One end of R9 and one end of capacitance C1, one end of other end connection resistance R10 of the resistance R9 and the base stage of triode Q2
The other end of the collector c connection resistance R11 of b, the triode Q2, the emitter e connection resistance of the triode Q2
The other end, the other end of capacitance C1 and the other end of battery of R10.
Advantageous effect：
1. the utility model function is more, easy to use, practical operation is easy.
2. the display screen I of the utility model is multimeter, display screen II is the display screen for finding phaser, is used separately,
Ensure opposite independence, simplify and use program.
3. the searching phaser of the utility model is not by frequency influence, applied widely.
Description of the drawings：
Attached drawing 1 is the structure diagram of the utility model.
Attached drawing 2 is the right side schematic view of the utility model.
Attached drawing 3 is the internal circuit schematic diagram of the utility model.
Specific embodiment：
Embodiment 1
A kind of electrotechnical, electronic surveys electric installation, and composition includes：Multimeter, the multimeter includes outer housing 1, described
Socket A2, socket B3 and socket C4, the socket A2, socket B3 and the top setting of socket C4 is set to debug on outer housing 1
Button I 5 and debugging button II 6,
The debugging button I 5 and the top setting display screen I 7 for debugging button II 6, the left side setting of the display screen I 7
Conductive jack I 8 and conductive jack II 9, the conductive jack I 8 coordinates conductive rod 10 to use with conductive jack II 9, described
Conductive rod 10 is connected on display screen II 11,
The display screen II 11 connects the inner shaft of telescopic shaft 12, and the outer shaft of the telescopic shaft 12 is fixed on outer housing 1
Right side, the display screen II 11 be inserted into outer housing 1 right side slot 13 in.
Embodiment 2
A kind of electrotechnical, electronic described in embodiment 1 surveys electric installation, and the outer housing 1 is also loaded into the circuit of phase finder
Plate, the circuit board include three input terminal A ends, B ends and C-terminal,
Connected after the A ends series resistance R1 one end of diode D1, one end of resistance R4, diode D4 one end,
No. 1 of NAND gate G1 end and No. 1 end of NAND gate G2, after the other end of the diode D1 is connect with the other end of resistance R4
Ground connection,
One end of diode D2, one end of resistance R5 and one end of diode D5 are connected after the B ends series resistance R2,
The other end of the diode D2 is grounded after being connect with the other end of resistance R5,
Connected after the C-terminal series resistance R3 one end of diode D3, one end of resistance R6, diode D6 one end,
No. 2 of NAND gate G2 ends and No. 1 end of NAND gate G4, after the other end of the diode D3 is connect with the other end of resistance R6
Ground connection,
No. 1 end of the output terminal connection NAND gate G3 of the NAND gate G1, No. 2 end connections of the NAND gate G3 with
The output terminal of NOT gate G2, No. 2 ends of the output terminal and NAND gate G4 of No. 2 end connection NAND gate G2 of the NAND gate G1,
The other end of the other end connection diode D5 of the diode D4, the other end, the triode Q1 of diode D6
Emitter e, one end of resistance R11 and one end of battery,
The output terminal of the NAND gate G4 by the base stage b of resistance R7 connecting triodes Q1,
One end of the collector c connection resistance R8 of the triode Q1, the other end connection resistance of the resistance R8
One end of R9 and one end of capacitance C1, one end of other end connection resistance R10 of the resistance R9 and the base stage of triode Q2
The other end of the collector c connection resistance R11 of b, the triode Q2, the emitter e connection resistance of the triode Q2
The other end, the other end of capacitance C1 and the other end of battery of R10.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model also should
Belong to the scope of protection of the utility model.
Claims (2)
1. a kind of electrotechnical, electronic surveys electric installation, composition includes：Multimeter, the multimeter include outer housing（1）, feature
It is：The outer housing（1）Upper setting socket A（2）, socket B（3）With socket C（4）, the socket A（2）, socket B（3）With
Socket C（4）Top setting debugging button I（5）With debugging button II（6）,
The debugging button I（5）With debugging button II（6）Top setting display screen I（7）, the display screen I（7）Left side
Conductive jack I is set（8）With conductive jack II（9）, the conductive jack I（8）With conductive jack II（9）The conductive rod of cooperation
（10）It uses, the conductive rod（10）It is connected to display screen II（11）On,
The display screen II（11）Connect telescopic shaft（12）Inner shaft, the telescopic shaft（12）Outer shaft be fixed on outer housing
（1）Right side, the display screen II（11）It is inserted into outer housing（1）Right side slot（13）It is interior.
2. a kind of electrotechnical, electronic according to claim 1 surveys electric installation, it is characterized in that：The outer housing（1）It is also loaded into
The circuit board of phase finder, the circuit board include three input terminal A ends, B ends and C-terminal,
Connected after the A ends series resistance R1 one end of diode D1, one end of resistance R4, diode D4 one end, with it is non-
No. 1 end of door G1 and No. 1 end of NAND gate G2, the other end of the diode D1 is connect with the other end of resistance R4 to be followed by
Ground,
One end of diode D2, one end of resistance R5 and one end of diode D5 are connected after the B ends series resistance R2, it is described
Diode D2 the other end connect with the other end of resistance R5 after be grounded,
Connected after the C-terminal series resistance R3 one end of diode D3, one end of resistance R6, diode D6 one end, with it is non-
No. 2 ends of door G2 and No. 1 end of NAND gate G4, the other end of the diode D3 is connect with the other end of resistance R6 to be followed by
Ground,
No. 1 end of the output terminal connection NAND gate G3 of the NAND gate G1, No. 2 end connection NAND gates of the NAND gate G3
The output terminal of G2, No. 2 ends of the output terminal and NAND gate G4 of No. 2 end connection NAND gate G2 of the NAND gate G1,
The other end of the diode D4 connects the hair of the other end of diode D5, the other end of diode D6, triode Q1
One end of emitter-base bandgap grading e, one end of resistance R11 and battery,
The output terminal of the NAND gate G4 by the base stage b of resistance R7 connecting triodes Q1,
One end of the collector c connection resistance R8 of the triode Q1, the other end connection resistance R9's of the resistance R8
One end and one end of capacitance C1, one end of other end connection resistance R10 of the resistance R9 and the base stage b of triode Q2, institute
The other end of the collector c connection resistance R11 of the triode Q2 stated, the emitter e connection resistance R10's of the triode Q2
The other end of the other end, the other end of capacitance C1 and battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721653182.8U CN207472943U (en) | 2017-12-01 | 2017-12-01 | A kind of electrotechnical, electronic surveys electric installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721653182.8U CN207472943U (en) | 2017-12-01 | 2017-12-01 | A kind of electrotechnical, electronic surveys electric installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207472943U true CN207472943U (en) | 2018-06-08 |
Family
ID=62256841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721653182.8U Active CN207472943U (en) | 2017-12-01 | 2017-12-01 | A kind of electrotechnical, electronic surveys electric installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207472943U (en) |
-
2017
- 2017-12-01 CN CN201721653182.8U patent/CN207472943U/en active Active
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