CN109884351A - A kind of computer detection of electrons board - Google Patents
A kind of computer detection of electrons board Download PDFInfo
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- CN109884351A CN109884351A CN201910157791.1A CN201910157791A CN109884351A CN 109884351 A CN109884351 A CN 109884351A CN 201910157791 A CN201910157791 A CN 201910157791A CN 109884351 A CN109884351 A CN 109884351A
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- triode
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- ammeter
- resistor
- inductance
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Abstract
The invention discloses a kind of computer detection of electrons boards, by battery, first resistor is to the 4th resistance, capacitor, first triode, second triode, diode, potentiometer, ammeter and inductance composition, the firewire of AC power source is directly incuded by inductance, the electric current of firewire forms induced current between inductance, induced current obtains stable low current signal after resistance current limliting, by being input to ammeter after the first triode and the secondary amplification of the second triode, compared with prior art, the present invention only needs the ac cable in being powered that can detect, without dismantling cable, without accessing ammeter, it is convenient and efficient, it improves computer maintenance and checks working efficiency, it has the value of popularization and application.
Description
Technical field
The present invention relates to a kind of computer maintenance auxiliary device more particularly to a kind of computer detection of electrons boards.
Background technique
Computer is a kind of modern electronic computer device for supercomputing, can carry out numerical value calculating, and can be into
Row logic calculation, also has the function of store-memory.It is that can be run according to program, automatic, high speed processing mass data modern times
Change intelligent electronic device.In the prior art, for the maintenance of computer, the route for needing to detect computer whether charge and
Electric current measures electric current at present and needs again to measure cable power-off, disassembly, access ammeter, and first measurement is inconvenient, and two
Process is tedious, and working efficiency is low, and accordingly, there exist rooms for improvement.
Summary of the invention
The object of the invention is that providing a kind of computer detection of electrons board to solve the above-mentioned problems.
The present invention through the following technical solutions to achieve the above objectives:
The present invention is by battery, first resistor to the 4th resistance, capacitor, the first triode, the second triode, diode, electricity
Position device, ammeter and inductance composition, battery 9V, first resistor are 100 Ω, second resistance is 400 Ω, 3rd resistor 500
Ω, the 4th resistance are 2k Ω, capacitor 0.1uF, the first triode and the second triode model are 3DG9011, diode-type
It number is IN4007, potentiometer is 10k Ω, ammeter is milliampere grade ammeter, inductance is diameter 1mm enameled wire is in diameter 10mm
Cylindrical body on 10 circle of coiling demould；
The positive first end with the collector of the first triode, the sliding end of potentiometer, potentiometer simultaneously of the battery
Connected with the first end of 3rd resistor, the cathode of battery simultaneously with the first end of first resistor, the base stage of the first triode, capacitor
First end connected with the first end of the 4th resistance, the emitter of triode simultaneously with the first end of second resistance and diode
Cathode connection, the second end of second resistance and the second end of capacitor connect, the anode of diode while the second end with potentiometer
It is connected with the base stage of the second triode, the collector of the second triode and the second end of 3rd resistor connect, the second triode
Emitter is connect with the first end of the second end of the 4th resistance and ammeter simultaneously, the second end of ammeter and the first end of inductance
Connection, the second end of inductance and the second end of first resistor connect.
The beneficial effects of the present invention are:
The present invention is a kind of computer detection of electrons board, and compared with prior art, the present invention only needs in being powered
Ac cable can be detected, it is convenient and efficient without accessing ammeter without dismantling cable, improve computer maintenance inspection
Working efficiency is looked into, is had the value of popularization and application.
Detailed description of the invention
Fig. 1 is circuit structure schematic diagram of the invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
The present invention is by battery E, first resistor R1 to the 4th resistance R4, capacitor C, the first triode VT1, the as shown in Figure 1:
Two triode VT2, diode D, potentiometer RP, ammeter A and inductance L1 composition, battery E is 9V, first resistor R1 be 100 Ω,
Second resistance R2 is 400 Ω, 3rd resistor R3 is 500 Ω, the 4th resistance R4 is 2k Ω, capacitor C is 0.1uF, the first triode
VT1 and the second triode VT2 model be 3DG9011, diode D model IN4007, potentiometer RP be 10k Ω, ammeter A
For milliampere grade ammeter, enameled wire that inductance L1 is diameter 1mm, 10 circle of coiling is demoulded on the cylindrical body of diameter 10mm；
The battery E anode simultaneously with the collector of the first triode VT1, the sliding end of potentiometer RP, potentiometer RP
First end connected with the first end of 3rd resistor R3, the cathode of battery the E first end with first resistor R1, the one or three pole simultaneously
The base stage of pipe VT, the first end of capacitor C are connected with the first end of the 4th resistance R4, and the emitter of triode VT is electric with second simultaneously
The first end of resistance R2 is connected with the cathode of diode D, and the second end of second resistance R2 is connect with the second end of capacitor C, diode D
Anode simultaneously connect with the base stage of the second end of potentiometer RP and the second triode VT2, the collector of the second triode VT2 and
The second end of 3rd resistor R3 connects, the emitter of the second triode VT2 while second end and ammeter A with the 4th resistance R4
First end connection, the second end of ammeter A connect with the first end of inductance L, the of the second end of inductance L and first resistor R1
The connection of two ends.
Working principle of the present invention is as follows:
The firewire L that AC power source AC is directly incuded by inductance L1, by inductance L1 close to firewire L, the electric current of firewire L
Induced current is formed between inductance L1, induced current obtains stable low current signal after resistance R1 current limliting, passes through
It is input to ammeter A after one triode VT1 and the second triode VT2 bis- times amplifications, the current signal being amplified is still can not
Several hundred peaces of AC power source can be reached, therefore, the intensity of electric current is judged by the conversion of ratio, 10 milliamperes of electric current such as surveyed
It can be converted into and measure 10 peaces etc., potentiometer RP is for adjusting error of the invention when debugging.
Basic principles and main features and advantages of the present invention of the invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (1)
1. a kind of computer detection of electrons board, it is characterised in that: by battery, first resistor to the 4th resistance, capacitor, the one or three
Pole pipe, the second triode, diode, potentiometer, ammeter and inductance composition, battery 9V, first resistor are 100 Ω, second
Resistance is 400 Ω, 3rd resistor is 500 Ω, the 4th resistance is 2k Ω, capacitor 0.1uF, the first triode and the second triode
Model be 3DG9011, diode model IN4007, potentiometer be 10k Ω, ammeter is milliampere grade ammeter, inductance is
The enameled wire of diameter 1mm 10 circle of coiling on the cylindrical body of diameter 10mm demoulds；
The anode of the battery simultaneously with the collector of the first triode, the sliding end of potentiometer, the first end of potentiometer and the
The first ends of three resistance connects, the cathode of battery simultaneously with the first end of first resistor, the base stage of the first triode, capacitor the
One end is connected with the first end of the 4th resistance, the emitter of triode simultaneously with the first end of second resistance and the cathode of diode
The second end of connection, the second end of second resistance and capacitor connects, the anode of diode simultaneously with the second end of potentiometer and the
The base stage of two triodes connects, and the collector of the second triode and the second end of 3rd resistor connect, the transmitting of the second triode
Pole is connect with the first end of the second end of the 4th resistance and ammeter simultaneously, and the second end of ammeter and the first end of inductance connect
It connects, the second end of inductance and the second end of first resistor connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910157791.1A CN109884351A (en) | 2019-03-02 | 2019-03-02 | A kind of computer detection of electrons board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910157791.1A CN109884351A (en) | 2019-03-02 | 2019-03-02 | A kind of computer detection of electrons board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109884351A true CN109884351A (en) | 2019-06-14 |
Family
ID=66930391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910157791.1A Pending CN109884351A (en) | 2019-03-02 | 2019-03-02 | A kind of computer detection of electrons board |
Country Status (1)
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| CN (1) | CN109884351A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203535202U (en) * | 2013-11-21 | 2014-04-09 | 华北电力大学 | High sensitivity electromagnetic field sensor |
| CN104253411A (en) * | 2013-06-26 | 2014-12-31 | 成都昊地科技有限责任公司 | Protective circuit having functions of both alarm and electric leakage detection |
| CN104330692A (en) * | 2014-11-12 | 2015-02-04 | 云南电网公司曲靖供电局 | Polarity testing device of sleeve current transformer of main transformer |
| CN104459283A (en) * | 2014-12-24 | 2015-03-25 | 国家电网公司 | Electricity-sensing voice prompt high-voltage ground wire device for 10 KV discharging and use method thereof |
| CN204989279U (en) * | 2015-07-23 | 2016-01-20 | 高超 | Digit split -core type meter |
| CN205910247U (en) * | 2016-06-27 | 2017-01-25 | 长沙学院 | Wind -powered electricity generation electric energy current monitoring device |
| CN206115221U (en) * | 2016-11-04 | 2017-04-19 | 曲靖师范学院 | Computer control based on singlechip |
| CN207037060U (en) * | 2017-07-11 | 2018-02-23 | 国网辽宁省电力有限公司沈阳供电公司 | Mutual inductor ratio, polarity tester with waveform display function |
-
2019
- 2019-03-02 CN CN201910157791.1A patent/CN109884351A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104253411A (en) * | 2013-06-26 | 2014-12-31 | 成都昊地科技有限责任公司 | Protective circuit having functions of both alarm and electric leakage detection |
| CN203535202U (en) * | 2013-11-21 | 2014-04-09 | 华北电力大学 | High sensitivity electromagnetic field sensor |
| CN104330692A (en) * | 2014-11-12 | 2015-02-04 | 云南电网公司曲靖供电局 | Polarity testing device of sleeve current transformer of main transformer |
| CN104459283A (en) * | 2014-12-24 | 2015-03-25 | 国家电网公司 | Electricity-sensing voice prompt high-voltage ground wire device for 10 KV discharging and use method thereof |
| CN204989279U (en) * | 2015-07-23 | 2016-01-20 | 高超 | Digit split -core type meter |
| CN205910247U (en) * | 2016-06-27 | 2017-01-25 | 长沙学院 | Wind -powered electricity generation electric energy current monitoring device |
| CN206115221U (en) * | 2016-11-04 | 2017-04-19 | 曲靖师范学院 | Computer control based on singlechip |
| CN207037060U (en) * | 2017-07-11 | 2018-02-23 | 国网辽宁省电力有限公司沈阳供电公司 | Mutual inductor ratio, polarity tester with waveform display function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190614 |
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| RJ01 | Rejection of invention patent application after publication |