CN217587566U

CN217587566U - Multifunctional detector for detecting on-off of daily circuit

Info

Publication number: CN217587566U
Application number: CN202221244116.6U
Authority: CN
Inventors: 许锋; 杜冲; 赵晓伟; 诸葛华锋; 沈建军; 汤越昕; 吕立华; 曹振飞; 张冰冰
Original assignee: Zhejiang Haining Rail Transit Operation Management Co ltd
Current assignee: Zhejiang Haining Rail Transit Operation Management Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-14
Anticipated expiration: 2032-05-23

Abstract

The utility model provides a multi-functional detector for daily circuit break-make detects, main body cover openly is equipped with touch-control display screen and touch switch, the pilot lamp mounting panel is equipped with to the main body cover top, the detecting head is installed to pilot lamp mounting panel top, pick up the signal through induction coil, generally be alternating signal, there is magnetic field around the circular telegram wire, detector coil induces weak electric current in magnetic field, send into the triode and amplify, the signal is through enlargiing the back, by the collecting electrode output of triode, light the LED pilot lamp, the amplification progression of triode can also be adjusted to this device simultaneously, it is applicable in the multiple condition, this device can discern the live wire, the zero line, and whether the electric wire breaks off, detect the power of magnetic field and electromagnetic radiation.

Description

Multifunctional detector for detecting on-off of daily circuit

Technical Field

The utility model discloses a belong to circuit break-make detection area, specifically be a multi-functional detector for daily circuit break-make detects.

Background

In order to conveniently, accurately and timely judge the power-on, power-off and power-off states of a circuit and timely respond when the circuit is in an abnormal condition, the problem is quickly solved, and a circuit on-off detection device is needed. In daily life, people also need to detect the on-off of a circuit frequently, and at present, a known detector consists of a digital (or pointer) multimeter and a red meter pen and a black meter pen. During operation, two red and black test pens of the universal meter are connected with a high (low) explosion end and a public end in a junction box of an electric contact instrument by two hands of one person, the other person holds the universal meter by one hand, and the adjustment device of the electric contact instrument is adjusted by one hand to complete detection, so that the operation cannot be independently completed by one person, and a professional electric instrument worker is required to timely arrive at the site to take charge of the detection; especially when operating space is narrow and small, inconvenient operation, the utility model provides a multi-functional detector convenient operation is simple swift for daily circuit break-make detects, is fit for daily circuit break-make and detects.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a multifunctional detector for daily circuit break-make detects.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

The utility model provides a multifunctional detector for daily circuit break-make detects, including the detecting head, the pilot lamp mounting panel, main body cover, the touch-control display screen, touch switch, induction coil, multistage triode connecting device, the main control board, the battery, wherein main body cover openly is equipped with touch-control display screen and touch switch, the pilot lamp mounting panel is equipped with to the main body cover top, the detecting head is installed to pilot lamp mounting panel top, the pilot lamp is installed on the pilot lamp mounting panel, induction coil installs inside the detecting head, induction coil passes through wire connection multistage triode connecting device, multistage triode connecting device passes through wire connection main control board, the main control board passes through the connection of electric lines battery.

Preferably, the main control board is connected with a control power switch and a triode switch.

Preferably, according to a circuit diagram, the device provides electric energy through two sections of 1.5V dry batteries, S1 is a power switch, S2 is a triode switch, and the circuit is connected with an indicator light, wherein the indicator light is an LED lamp, and the triode is an S8050NPN triode.

Preferably, the detection process when the switch of the S2 triode is turned off is as follows: the induction coil L picks up a signal, generally an alternating signal, induces a weak current, sends the weak current to the triode Q1 for amplification, the triode Q1 performs primary amplification, sends the amplified signal to the base of the triode Q2 for secondary amplification, the triode Q2 performs secondary amplification, sends the amplified signal to the base of the triode Q3 for tertiary amplification, outputs the signal by the collector of the triode Q3 after the signal is amplified in three stages, and lights the LED indicator lamp D1; s2, when the triode switch is closed, the detection process is as follows: the induction coil L picks up a signal, generally an alternating signal, induces a weak current, sends the weak current into the triode Q2 for amplification, the triode Q2 carries out primary amplification, sends the amplified signal into the base of the triode Q3 for secondary amplification, and the signal is output by the collector of the triode Q3 after being amplified by the secondary amplification to light the LED indicator lamp D1.

Compared with the prior art, the utility model discloses possess following beneficial effect:

the utility model provides a multi-functional detector for daily circuit break-make detects, pick up the signal through induction coil, generally be alternating signal, there is magnetic field around the circular telegram wire, the detector coil induces weak electric current in the magnetic field, send into the triode and amplify, the signal is through enlarging the back, by the collecting electrode output of triode, light LED pilot lamp, the amplification progression of triode can also be adjusted to this device simultaneously, it is applicable in the multiple condition, this device can discern the live wire, the zero line, and whether the electric wire breaks off, detect magnetic field and electromagnetic radiation's power.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is the internal structure diagram of the whole structure of the present invention;

FIG. 3 is a diagram of the control system of the present invention;

fig. 4 is a circuit diagram of the whole structure of the present invention.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the drawings.

Referring to fig. 1 and 2, a multifunctional detector for detecting on-off of a daily circuit, which comprises a detecting head 1, an indicator lamp 2, an indicator lamp mounting plate 3, a main body shell 4, a touch display screen 5, a touch switch 6, an induction coil 7, a multistage triode connection device 8, a main control panel 9 and a battery 10, wherein the touch display screen 5 and the touch switch 6 are arranged on the front surface of the main body shell 4, the indicator lamp mounting plate 3 is arranged above the main body shell 4, the detecting head 1 is arranged above the indicator lamp mounting plate 3, the indicator lamp 2 is arranged on the indicator lamp mounting plate 3, the induction coil 7 is arranged inside the detecting head 1, the induction coil 7 is connected with the multistage triode connection device 8 through an electric wire, the multistage triode connection device 8 is connected with the main control panel 9 through an electric wire, and the main control panel 9 is connected with the battery 10 through an electric wire. When detecting, it is necessary to approach the probe 1 to the line for detection, if the line has current, the indicator light 2 will be on, and if the line has no current, the indicator light 2 will not be on. The device can also identify whether the live wire, the zero wire and the electric wire are disconnected or not, and detect the strength of the magnetic field and the electromagnetic radiation.

Referring to fig. 3, the main control board 9 is connected to control the power switch and the triode switch. The main control board 9 can perform a closing or opening operation of the power switch and the triode switch.

Referring to fig. 4, according to a circuit diagram, the device provides electric energy through two 1.5V dry batteries, S1 is a power switch, S2 is a triode switch, and the circuit is connected with an indicator light 2, wherein the indicator light 2 is an LED light, and the triode is an S8050NPN triode. When a magnetic field exists around the electrified lead, the detector coil induces weak current in the magnetic field, and the indicator light 2 becomes bright so as to detect the on-off of the circuit.

S2, the detection process when the triode switch is disconnected is as follows: the induction coil 7 picks up a signal, which is generally an alternating signal, induces a weak current, sends the weak current to the triode Q1 for amplification, the triode Q1 performs primary amplification, sends the amplified signal to the base of the triode Q2 for secondary amplification, the triode Q2 performs secondary amplification, sends the amplified signal to the base of the triode Q3 for tertiary amplification, outputs the signal by the collector of the triode Q3 after the signal is amplified in three stages, and lights the LED indicator lamp 2D1; s2, when the triode switch is closed, the detection process is as follows: the induction coil 7 picks up a signal, generally an alternating signal, induces a weak current, sends the weak current into the triode Q2 for amplification, the triode Q2 carries out primary amplification, sends the amplified signal into the base of the triode Q3 for secondary amplification, and outputs the amplified signal by the collector of the triode Q3 after the secondary amplification to light the LED indicator lamp 2D1. A magnetic field is arranged around the power-on lead, the detector coil induces weak current in the magnetic field, and the weak current is amplified by the triode to light the LED lamp. When the induction coil is sensitive, the LED lamp is always on, the first-stage triode is reduced, namely the triode switch is closed.

The utility model discloses an operation and operation process as follows:

with this device installation battery, the detection flow when S2 triode switch disconnection is: the induction coil 7 picks up a signal, which is generally an alternating signal, induces a weak current, sends the weak current to the triode Q1 for amplification, the triode Q1 performs primary amplification, sends the amplified signal to the base of the triode Q2 for secondary amplification, the triode Q2 performs secondary amplification, sends the amplified signal to the base of the triode Q3 for tertiary amplification, outputs the signal by the collector of the triode Q3 after the signal is amplified in three stages, and lights the LED indicator lamp 2D1; when the induction coil is sensitive, the LED lamp is always on, the first-stage triode is reduced, namely the triode switch is closed. S2, when the triode switch is closed, the detection process is as follows: the induction coil 7L picks up a signal, generally an alternating signal, induces a weak current, sends the weak current into the triode Q2 for amplification, the triode Q2 carries out primary amplification, sends the amplified signal into the base of the triode Q3 for secondary amplification, and the signal is output by the collector of the triode Q3 after secondary amplification to light the LED indicator lamp 2D1.

Claims

1. The utility model provides a multi-functional detector for daily circuit break-make detects, a serial communication port, including detecting head (1), pilot lamp (2), pilot lamp mounting panel (3), main body cover (4), touch-control display screen (5), touch switch (6), induction coil (7), multistage triode connecting device (8), main control board (9), battery (10), wherein main body cover (4) openly are equipped with touch-control display screen (5) and touch switch (6), main body cover (4) top is equipped with pilot lamp mounting panel (3), detecting head (1) is installed to pilot lamp mounting panel (3) top, install on pilot lamp mounting panel (3) pilot lamp (2), induction coil (7) are installed inside detecting head (1), induction coil (7) are through electric wire connection multistage triode connecting device (8), multistage triode connecting device (8) are through electric wire connection main control board (9), main control board (9) are through electric wire connection battery (10).

2. The multifunctional detector for daily line on-off detection as claimed in claim 1, wherein the main control board (9) is connected with a control power switch and a triode switch.

3. The multifunctional detector for detecting the on-off of the daily lines as claimed in claim 1, wherein the device is powered by two 1.5V dry batteries according to a circuit diagram, S1 is a power switch, S2 is a triode switch, and the circuit is connected with an indicator light (2), wherein the indicator light (2) is an LED light, and the triode is an S8050NPN triode.

4. The multifunctional detector for detecting the on-off of the daily line according to claim 1, wherein the detection process when the S2 triode switch is turned off is as follows: the induction coil (7) L picks up a signal, which is generally an alternating signal, induces a weak current, sends the weak current to the triode Q1 for amplification, the triode Q1 carries out primary amplification, sends the amplified signal to the base of the triode Q2 for secondary amplification, the triode Q2 carries out secondary amplification, sends the amplified signal to the base of the triode Q3 for tertiary amplification, outputs the signal by the collector of the triode Q3 after the signal is amplified in three stages, and lights the LED indicator lamp (2) D1; s2, when the triode switch is closed, the detection process is as follows: the induction coil (7) L picks up a signal, generally an alternating signal, induces a weak current, sends the weak current into the triode Q2 for amplification, the triode Q2 carries out primary amplification, sends the amplified signal into the base electrode of the triode Q3 for secondary amplification, and the signal is output by the collector electrode of the triode Q3 after secondary amplification to light the LED indicating lamp (2) D1.