CN207380128U - A kind of forceful electric power surveys electric installation - Google Patents
A kind of forceful electric power surveys electric installation Download PDFInfo
- Publication number
- CN207380128U CN207380128U CN201721412287.4U CN201721412287U CN207380128U CN 207380128 U CN207380128 U CN 207380128U CN 201721412287 U CN201721412287 U CN 201721412287U CN 207380128 U CN207380128 U CN 207380128U
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- triode
- resistance
- capacitance
- resistor
- base stage
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Abstract
The utility model discloses a kind of forceful electric power to survey electric installation, including battery, first resistor to the 5th resistance, the first triode to the 4th triode, the first capacitance, the second capacitance, potentiometer, field-effect tube, light emitting diode and switch, compared with prior art, the utility model detects the electromotive force of electric power by field-effect tube, it is amplified again by amplifying circuit, can also sensitivity be adjusted by potentiometer simultaneously, the electric power of different voltages intensity can be detected as needed, have a wide range of application, have the value of popularization and application.
Description
Technical field
The utility model is related to technical field of electric power detection more particularly to a kind of forceful electric power to survey electric installation.
Background technology
Forceful electric power refers to the partial power of electrical field.Feature is that power is big, electric current is big, frequency is low, main to consider that loss is small, imitates
The problem of rate is high.It is very close with the relation of light current, it is opposite with " light current ".The prior art to forceful electric power when carrying out maintenance and inspection, electricity
Power voltage is strong and is difficult to detect, and safety coefficient is low, and accordingly, there exist rooms for improvement.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of forceful electric power and survey electric installation.
The utility model is achieved through the following technical solutions above-mentioned purpose：
The utility model includes battery, first resistor to the 5th resistance, the first triode to the 4th triode, the first electricity
Appearance, the second capacitance, potentiometer, field-effect tube, light emitting diode and switch, the anode of battery are connected with the first end switched, electricity
The cathode in pond be connected simultaneously with the emitter of the first triode and the emitter of the second triode, the second end of switch and meanwhile with hair
The anode of optical diode, the first end of the 5th resistance, the first end of the 4th resistance, the first end of 3rd resistor, second resistance
First end, the first end of first resistor, the first end of potentiometer are connected with sliding end, and the cathode of light emitting diode is simultaneously with the 5th
The second end of resistance, the first end of the second capacitance are connected with the collector of the 4th triode, the second end of the second capacitance simultaneously with
The second end of 4th resistance is connected with the base stage of third transistor, the base stage of the 4th triode while the first end with the first capacitance
It is connected with the second end of 3rd resistor, the emitter of the 4th triode while collector and third transistor with the second triode
Emitter connection, the collector of third transistor connects simultaneously with the second end of the volume second end of the first capacitance and second resistance
It connects, the base stage of the second triode is connected simultaneously with the second end of first resistor and the collector of the first triode, the first triode
Base stage and the first base stage of field-effect tube connect, the second end of the second base stage of field-effect tube and potentiometer connects, field-effect
The transmitting of pipe extremely senses detection signal input part.
The beneficial effects of the utility model are：
The utility model is that a kind of forceful electric power surveys electric installation, and compared with prior art, the utility model is examined by field-effect tube
The electromotive force of electric power is surveyed, then is amplified by amplifying circuit, while can also sensitivity, energy as needed be adjusted by potentiometer
The electric power of different voltages intensity is enough detected, has a wide range of application, has the value of popularization and application.
Description of the drawings
Fig. 1 is the circuit structure schematic diagram of the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1：The utility model include battery E, first resistor R1 to the 5th resistance R5, the first triode VT1 extremely
4th triode VT4, the first capacitance C1, the second capacitance C2, potentiometer RP, field-effect tube VF, Light-emitting diode LED and switch
The anode of SA, battery E be connecteds with switching the first end of SA, the cathode of battery E and meanwhile with the emitter of the first triode VT1 and the
The emitter connection of two triode VT2, switch the second end of SA simultaneously with the anode of Light-emitting diode LED, the 5th resistance R5
First end, the first end of the 4th resistance R4, the first end of 3rd resistor R3, the first end of second resistance R2, first resistor R1
First end, the first end of potentiometer RP are connected with sliding end, the cathode of Light-emitting diode LED while second with the 5th resistance R5
End, the first end of the second capacitance C2 connects with the collector of the 4th triode VT4, the second end of the second capacitance C2 while with the 4th
The second end of resistance R4 is connected with the base stage of third transistor VT3, and the base stage of the 4th triode VT4 is simultaneously with the first capacitance C1's
First end is connected with the second end of 3rd resistor R3, the emitter of the 4th triode VT4 while the current collection with the second triode VT2
Pole is connected with the emitter of third transistor VT3, the collector of third transistor VT3 while the volume second end with the first capacitance C1
Connected with the second end of second resistance R2, the base stage of the second triode VT2 simultaneously with the second end of first resistor R1 and the one or three
The collector connection of pole pipe VT1, the base stage of the first triode VT1 are connected with the first base stage of field-effect tube VF, field-effect tube VF
The second base stage be connected with the second end of potentiometer RP, the transmitting of field-effect tube VF extremely senses detection signal input part IN.
The operation principle of the utility model is as follows：
By the emitter of field-effect tube VF close to power supply is tested, without contact, the forceful electric power of AC power generates alternating magnetic field,
The emitter of alternating magnetic field scene effect pipe VF generates induced electromotive force, and the electromotive force signal is through the first triode VT1 to the 4th
Triode VT4, the first capacitance C1, the second capacitance C2 and first resistor R1 are put to the 5th resistance R5 amplifying circuits formed
Greatly, amplified signal triggering Light-emitting diode LED is lighted, and illustrate to have that circuit is charged, is adjusted potentiometer RP and can be adjusted field and imitates
Should pipe VF inductive signal intensity, in order to adapt to the detection of different voltages intensity.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Simply illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed scope is defined by the appending claims and its equivalent thereof.
Claims (1)
1. a kind of forceful electric power surveys electric installation, it is characterised in that：Including battery, first resistor to the 5th resistance, the first triode to
Four triodes, the first capacitance, the second capacitance, potentiometer, field-effect tube, light emitting diode and switch, the anode and switch of battery
First end connection, the cathode of battery be connected simultaneously with the emitter of the first triode and the emitter of the second triode, switch
Second end simultaneously with the anode of light emitting diode, the first end of the 5th resistance, the first end of the 4th resistance, 3rd resistor the
One end, the first end of second resistance, the first end of first resistor, the first end of potentiometer are connected with sliding end, light emitting diode
Cathode be connected simultaneously with the collector of the second end of the 5th resistance, the first end of the second capacitance and the 4th triode, second is electric
The second end of appearance be connected simultaneously with the second end of the 4th resistance and the base stage of third transistor, the base stage of the 4th triode and meanwhile with
The first end of first capacitance is connected with the second end of 3rd resistor, the emitter of the 4th triode while the collection with the second triode
Electrode is connected with the emitter of third transistor, the collector of third transistor simultaneously with the volume second end of the first capacitance and second
The second end connection of resistance, the base stage of the second triode connect simultaneously with the collector of the second end of first resistor and the first triode
It connects, the base stage of the first triode and the first base stage of field-effect tube connect, the second base stage of field-effect tube and the second of potentiometer
End connection, the transmitting of field-effect tube extremely sense detection signal input part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721412287.4U CN207380128U (en) | 2017-10-30 | 2017-10-30 | A kind of forceful electric power surveys electric installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721412287.4U CN207380128U (en) | 2017-10-30 | 2017-10-30 | A kind of forceful electric power surveys electric installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207380128U true CN207380128U (en) | 2018-05-18 |
Family
ID=62337550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721412287.4U Expired - Fee Related CN207380128U (en) | 2017-10-30 | 2017-10-30 | A kind of forceful electric power surveys electric installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207380128U (en) |
-
2017
- 2017-10-30 CN CN201721412287.4U patent/CN207380128U/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 |
Granted publication date: 20180518 Termination date: 20181030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |