CN220188616U - Induction type electricity inspection device - Google Patents
Induction type electricity inspection device Download PDFInfo
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- CN220188616U CN220188616U CN202321456000.3U CN202321456000U CN220188616U CN 220188616 U CN220188616 U CN 220188616U CN 202321456000 U CN202321456000 U CN 202321456000U CN 220188616 U CN220188616 U CN 220188616U
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- 230000006698 induction Effects 0.000 title claims abstract description 20
- 230000005611 electricity Effects 0.000 title abstract description 5
- 238000007689 inspection Methods 0.000 title description 2
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 4
- 230000001939 inductive effect Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 abstract description 7
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052754 neon Inorganic materials 0.000 description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model provides an induction type electricity testing device, which comprises: inductance coil, button cell, first triode and button switch. The base of the first triode is connected with the inductance coil, the emitter of the first triode is electrically connected with the negative electrode of the button cell, and the collector of the first triode is electrically connected with the positive electrode of the button cell. The button switch is connected in series between the emitter of the first triode and the button battery. When the button switch is pressed down to detect micro voltage of the equipment or the wire harness, the induction coil is used for conducting electromagnetic induction on the equipment or the wire harness, and when micro voltage is induced, the first triode is conducted. The utility model can improve the sensitivity and the accuracy of micro-voltage detection.
Description
Technical Field
The utility model relates to the technical field of electricity testing equipment, in particular to an induction type electricity testing device.
Background
At present, the existing electroscope structure is formed by connecting a test contact, a current limiting resistor, a neon tube, a metal spring and a hand contact electrode in series. During measurement, the test contact is contacted with a measured object, the hand is contacted with the hand contact electrode, and when the measured object has higher voltage relative to the earth, the neon tube is started to show that the measured object is electrified. The electroscope is a common tool which is necessary for maintenance of electric appliances and is used for checking whether the electric appliances, lines, sockets and the like are electrified. However, the common electroscope can only perform direct close contact measurement on the zero line and the phase line respectively, and is more incapable of low voltage. Meanwhile, the current on-off of a plurality of measuring lines can be measured by adopting a universal meter, but the universal meter is inconvenient to carry, and the on-off of the measuring lines is difficult to detect. Therefore, the method has important significance on conveniently and accurately detecting the micro-voltage of the equipment or the wire harness.
Disclosure of Invention
The utility model provides an induction type electroscope, which solves the problem that the existing electroscope is inaccurate in detecting the micro voltage of equipment or a wire harness, and can improve the sensitivity and the accuracy of the micro voltage detection.
In order to achieve the above object, the present utility model provides the following technical solutions:
an inductive electroscope device comprising: the device comprises an inductance coil, a button battery, a first triode and a button switch;
the base electrode of the first triode is connected with the inductance coil, the emitter electrode of the first triode is electrically connected with the negative electrode of the button cell, and the collector electrode of the first triode is electrically connected with the positive electrode of the button cell;
the button switch is connected in series between the emitter of the first triode and the button battery;
when the button switch is pressed, the inductance coil conducts electromagnetic induction to the equipment or the wire harness, and when micro-voltage is induced, the first triode is conducted.
Preferably, the first resistor, the buzzer and the second triode;
the base electrode of the second triode is connected with the emitter electrode of the first triode, the emitter electrode of the second triode is electrically connected with the negative electrode of the button cell, and the collector electrode of the second triode is connected with the positive electrode of the button cell in series between the first resistor and the buzzer;
the button switch is connected in series between the emitter of the second triode and the button battery;
when the induction coil induces micro-voltage, the first triode and the second triode are both conducted, so that the buzzer sounds to alarm.
Preferably, the second resistor, the light emitting diode and the third triode;
the base electrode of the third triode is connected with the emitter electrode of the second triode, the emitter electrode of the third triode is electrically connected with the negative electrode of the button cell, and the collector electrode of the third triode is connected with the positive electrode of the button cell in series between the second resistor and the light-emitting diode;
the button switch is connected in series between the emitter of the third triode and the button battery;
when the induction coil induces micro-voltage, the first triode, the second triode and the third triode are all conducted, so that the buzzer sounds to give an alarm, and the light emitting diode is lightened.
Preferably, the method further comprises: an insulating housing and a rear cover;
the induction coil is arranged at the front end of the insulating shell, the rear cover is arranged at the rear end of the insulating shell, and the button switch is arranged on the rear cover;
the first resistor, the second resistor, the buzzer, the light emitting diode, the first triode, the second triode and the second triode are all arranged in the insulating shell.
Preferably, the method further comprises: a first spring and a second spring;
the button switch is characterized in that the two ends of the button cell are correspondingly connected with the first spring and the second spring, the first spring is connected between the button switch and the button cell in series, and the second spring is connected between the button cell and the first resistor, the second resistor and the inductance coil in series.
Preferably, the button battery is arranged at the rear end of the insulating shell, and the buzzer, the light emitting diode, the first triode, the second triode and the second triode are arranged in the middle of the insulating shell.
Preferably, the insulating housing has a pen-like structure.
Preferably, anti-skid patterns are arranged on the outer surface of the insulating shell.
Preferably, the insulating housing is made of transparent material.
Preferably, the first triode, the second triode and the second triode are all 2SC945 models.
The utility model provides an induction type electroscope which is provided with an inductance coil at a base electrode of a first triode, wherein a collector electrode and an emitter electrode of the first triode are respectively and electrically connected with two poles of a button cell, and the first triode is conducted when micro voltage is detected by the inductance coil, so that the problem that the existing electroscope cannot accurately detect the micro voltage of equipment or a wire harness is solved, and the sensitivity and the accuracy of micro voltage detection can be improved.
Drawings
In order to more clearly illustrate the specific embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described.
Fig. 1 is a schematic circuit diagram of an induction type electroscope provided by the utility model.
Fig. 2 is a schematic structural diagram of an induction type electroscope provided by the utility model.
Detailed Description
In order to make the solution of the embodiment of the present utility model better understood by those skilled in the art, the embodiment of the present utility model is further described in detail below with reference to the accompanying drawings and embodiments.
Aiming at the problem that the current electroscope is inaccurate in micro-voltage detection, the utility model provides an induction electroscope, which solves the problem that the current electroscope is inaccurate in micro-voltage detection of equipment or a wire harness, and can improve the sensitivity and the accuracy of micro-voltage detection.
As shown in fig. 1, an induction type electroscope device includes: an inductance coil L, a button battery, a first triode Q1 and a button switch K. The base of the first triode Q1 is connected with the inductance coil, the emitter of the first triode Q1 is electrically connected with the negative electrode of the button cell, and the collector of the first triode Q1 is electrically connected with the positive electrode of the button cell. The button switch K is connected in series between the emitter of the first triode Q1 and the button battery;
when the button switch K is pressed, the induction coil conducts electromagnetic induction to equipment or a wire harness, and when micro-voltage is induced, the first triode Q1 is conducted.
Further, a first resistor R1, a buzzer M and a second transistor Q2; the base of the second triode Q2 is connected with the emitter of the first triode Q1, the emitter of the second triode Q2 is electrically connected with the negative electrode of the button cell, and the collector of the second triode Q2 is connected in series between the positive electrode of the button cell and the first resistor R1 and the buzzer M.
The button switch K is connected in series between the emitter of the second triode Q2 and the button battery. When the inductance coil L senses micro-voltage, the first triode Q1 and the second triode Q2 are both conducted, so that the buzzer M sounds to give an alarm.
Further, a second resistor R2, a light emitting diode D1, and a third transistor Q3. The base of the third triode Q3 is connected with the emitter of the second triode Q2, the emitter of the third triode Q3 is electrically connected with the negative electrode of the button cell, and the collector of the third triode Q3 is connected in series between the second resistor R2 and the positive electrode of the button cell and the light-emitting diode D1.
The button switch is connected in series between the emitter of the third triode Q3 and the button battery. When the inductance coil L senses micro-voltage, the first triode Q1, the second triode Q2 and the third triode Q3 are all conducted, so that the buzzer M sounds to give an alarm, and the light emitting diode D1 is lightened.
As shown in fig. 2, the apparatus further includes: an insulating housing 1 and a rear cover 2; the inductance coil L is arranged at the front end of the insulating shell 1, the rear cover 2 is arranged at the rear end of the insulating shell 1, and the button switch K is arranged on the rear cover 2. The first resistor, the second resistor, the buzzer, the light emitting diode, the first triode, the second triode and the second triode are all arranged in the insulating shell 1.
The apparatus further comprises: a first spring 4 and a second spring 5; the two ends of the button cell are correspondingly connected with the first spring 4 and the second spring 5, the first spring 4 is connected between the button switch K and the button cell 3 in series, and the second spring 5 is connected between the button cell and the first resistor, the second resistor and the inductance coil in series.
Further, the button battery is arranged at the rear end of the insulating shell, and the buzzer, the light emitting diode, the first triode, the second triode and the second triode are arranged in the middle of the insulating shell.
In practical application, a first spring 4 is arranged in the insulating housing 1, one end of the first spring 4 is connected with the rear cover 2, the other end of the first spring is connected with the negative electrode of the button cell 3, the positive electrode of the button cell 3 is respectively connected with a first resistor R1 and a second resistor R2 through a second spring 5, the first resistor R1 is connected with the positive electrode of the light-emitting diode, the second resistor R2 is connected with the positive electrode of the buzzer, the negative electrode of the light-emitting diode is connected with the collector electrode of the first triode Q1, the negative electrode of the buzzer is connected with the collector electrode of the second triode Q2, and the emitter of the first triode Q1 is connected with the negative electrode of the button cell 3. The rear cover 2 is provided with a button switch K which is connected with the spring piece. One end of the first spring 4 is connected with the negative electrode of the button cell, and the first spring 4 is electrically connected with the emitter E of the first triode Q1. The emitter of the first triode Q1 is connected with the base of the second triode Q2, and the emitter of the second triode is connected with the base of the third triode.
Further, the insulating housing is of a pen-like structure.
Further, anti-skid patterns are arranged on the outer surface of the insulating shell.
Further, the insulating shell is made of transparent materials.
Further, the first triode, the second triode and the second triode are all 2SC945 models.
In practical application, when the line to be tested is on or off, the device is used for measuring the electrified line along the line, and if the lamp tube is found not to flicker, the audible alarm prompt is not carried out, and the point can be judged to be a short circuit.
If the electric appliance is electrified, the device is used for approaching the electric control circuit, if an audible and visual alarm is found, the circuit is proved to be electrified, and if the lightning is weak, the buzzer sound is reduced, so that the electrified equipment is in a micro-electrified state.
Therefore, the induction type electroscope provided by the utility model is provided with the inductance coil at the base electrode of the first triode, the collector electrode and the emitter electrode of the first triode are respectively and electrically connected with the two poles of the button cell, and when the inductance coil detects micro voltage, the first triode is conducted, so that the problem that the existing electroscope is inaccurate in detecting the micro voltage of equipment or a wire harness is solved, and the sensitivity and the accuracy of the micro voltage detection can be improved.
While the construction, features and effects of the present utility model have been described in detail with reference to the illustrated embodiments, the above description is only the preferred embodiments of the present utility model, but the present utility model should not be limited to the embodiments shown in the drawings, and all changes made according to the concepts of the present utility model or modifications as equivalent embodiments shall fall within the scope of the present utility model without departing from the spirit covered by the specification and drawings.
Claims (10)
1. An induction type electroscope device, comprising: the device comprises an inductance coil, a button battery, a first triode and a button switch;
the base electrode of the first triode is connected with the inductance coil, the emitter electrode of the first triode is electrically connected with the negative electrode of the button cell, and the collector electrode of the first triode is electrically connected with the positive electrode of the button cell;
the button switch is connected in series between the emitter of the first triode and the button battery;
when the button switch is pressed, the inductance coil conducts electromagnetic induction to the equipment or the wire harness, and when micro-voltage is induced, the first triode is conducted.
2. The inductive electroscope of claim 1, wherein the first resistor, the buzzer, and the second transistor;
the base electrode of the second triode is connected with the emitter electrode of the first triode, the emitter electrode of the second triode is electrically connected with the negative electrode of the button cell, and the collector electrode of the second triode is connected with the positive electrode of the button cell in series between the first resistor and the buzzer;
the button switch is connected in series between the emitter of the second triode and the button battery;
when the induction coil induces micro-voltage, the first triode and the second triode are both conducted, so that the buzzer sounds to alarm.
3. The inductive electroscope of claim 2 wherein the second resistor, the light emitting diode, and the third transistor;
the base electrode of the third triode is connected with the emitter electrode of the second triode, the emitter electrode of the third triode is electrically connected with the negative electrode of the button cell, and the collector electrode of the third triode is connected with the positive electrode of the button cell in series between the second resistor and the light-emitting diode;
the button switch is connected in series between the emitter of the third triode and the button battery;
when the induction coil induces micro-voltage, the first triode, the second triode and the third triode are all conducted, so that the buzzer sounds to give an alarm, and the light emitting diode is lightened.
4. The inductive electroscope of claim 3, further comprising: an insulating housing and a rear cover;
the induction coil is arranged at the front end of the insulating shell, the rear cover is arranged at the rear end of the insulating shell, and the button switch is arranged on the rear cover;
the first resistor, the second resistor, the buzzer, the light emitting diode, the first triode, the second triode and the second triode are all arranged in the insulating shell.
5. The inductive electroscope of claim 4, further comprising: a first spring and a second spring;
the button switch is characterized in that the two ends of the button cell are correspondingly connected with the first spring and the second spring, the first spring is connected between the button switch and the button cell in series, and the second spring is connected between the button cell and the first resistor, the second resistor and the inductance coil in series.
6. The inductive electroscope of claim 5, wherein the button cell is disposed at a rear end of the insulating housing, and the buzzer, the light emitting diode, the first transistor, the second transistor, and the second transistor are disposed in a middle portion of the insulating housing.
7. The inductive electroscope of claim 6 wherein the insulating housing is a pen-like structure.
8. The inductive electroscope of claim 7, wherein the insulating housing has anti-slip patterns on an outer surface thereof.
9. The inductive electroscope of claim 8, wherein the insulating housing is transparent.
10. The inductive electroscope of claim 9, wherein the first transistor, the second transistor, and the second transistor are each of a type 2SC 945.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321456000.3U CN220188616U (en) | 2023-06-08 | 2023-06-08 | Induction type electricity inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321456000.3U CN220188616U (en) | 2023-06-08 | 2023-06-08 | Induction type electricity inspection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220188616U true CN220188616U (en) | 2023-12-15 |
Family
ID=89106593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321456000.3U Active CN220188616U (en) | 2023-06-08 | 2023-06-08 | Induction type electricity inspection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220188616U (en) |
-
2023
- 2023-06-08 CN CN202321456000.3U patent/CN220188616U/en active Active
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