CN209784463U

CN209784463U - Live wire broken string detector

Info

Publication number: CN209784463U
Application number: CN201920092963.7U
Authority: CN
Inventors: 刘海燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-21
Filing date: 2019-01-21
Publication date: 2019-12-13
Anticipated expiration: 2029-01-21

Abstract

The utility model discloses a fire wire disconnection detector, which comprises a power module for connecting a rechargeable lithium ion battery, a charging module with a USB charging interface and a detection warning module with an audible alarm; the output end of the charging module is connected with the input end of the power supply module; the output end of the power supply module supplies power to the detection warning module; the detection warning module is used for detecting a fire wire; the utility model is provided with a USB charging interface, can meet the requirement of electric quantity at any time and any place, does not need to change batteries, and is convenient and efficient; the circuit structure is simple, the manufacturing cost is low, the power consumption is low, and the use value is high.

Description

Live wire broken string detector

Technical Field

The utility model relates to the broken string detects technical field, especially involves a live wire broken string detector.

Background

The live wire disconnection detector is used for detecting whether a disconnection fault point exists in a power line in an electrified mode, the detection process does not need a cable to set a naked dew point, an insulating layer of the cable is not damaged, and the live wire disconnection detector is efficient and convenient.

The battery of the current live wire disconnection detector needs to be replaced irregularly along with the use of electric quantity, the replacement process is more complicated, and a standby battery needs to be carried.

accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a live wire broken string detector, the above-mentioned problem of solution.

In order to solve the above problem, the utility model provides a technical scheme as follows:

A fire wire disconnection detector comprises a power module for connecting a rechargeable lithium ion battery, a charging module with a USB charging interface and a detection warning module with an audible alarm; the output end of the charging module is connected with the input end of the power supply module; the output end of the power supply module supplies power to the detection warning module; the detection warning module is used for detecting a live wire.

in a preferred technical solution, the power module includes a resistor R4, a diode D1, a light emitting diode LED1, a connector J1, capacitors C3-C4, and a switch S1.

Preferably, the 1 st pin of the connector J1 is connected to the first terminal of the capacitor C4 and the first terminal of the switch S1, respectively; a second terminal of the switch S1 is connected to the first terminal of the capacitor C3 and the anode of the LED1, respectively; the 2 nd pin of the connector J1, the second ends of the capacitors C3-C4 and the second end of the resistor R4 are all grounded; the cathode of the light-emitting diode LED1 is connected with the anode of the diode D1; the cathode of the diode D1 is connected to the first end of the resistor R4.

In a preferred technical scheme, the light emitting diode LED1 is a red light emitting diode; the connector J1 is used for connecting a lithium ion battery.

In a preferable technical scheme, the charging module comprises resistors R1-R3, capacitors C1-C2, a light emitting diode LED2, an interface USB and an integrated circuit U1.

In a preferred technical solution, the 1 st pin of the interface USB is respectively connected to the first ends of the capacitors C1-C2, the first ends of the resistors R2-R3, and the 4 th pin of the integrated circuit U1; the second end of the resistor R1 is connected with the 5 th pin of the integrated circuit U1; a second end of the resistor R2 is connected with the anode of the light emitting diode LED 2; the 1 st pin of the integrated circuit U1 is respectively connected with the second end of the resistor R3 and the cathode of the light emitting diode LED 2; the first end of the resistor R1, the second end of the capacitors C1-C2 and the 5 th pin of the interface USB are all grounded.

According to the preferred technical scheme, the interface USB is a USB charging interface; the light emitting diode LED2 is a green light emitting diode; the integrated circuit U1 is in a model number of PL4054 or TP 4054.

According to the preferable technical scheme, the detection warning module comprises an inductor L, a buzzer BZ1, a probe ANT and a triode Q1-Q4.

in a preferable technical scheme, the first end of the buzzer BZ1 is respectively connected with the collector electrodes of the triodes Q1-Q3; the second end of the buzzer BZ1 is connected with the collector of the triode Q4; the probe ANT is connected with the second end of the inductor L; the first end of the inductor L is connected with the base electrode of the triode Q1; the emitter of the transistor Q1 is connected with the base of the transistor Q2; the emitter of the transistor Q2 is connected with the base of the transistor Q3; the emitter of the transistor Q3 is connected with the base of the transistor Q4; the emitter of the transistor Q4 is grounded.

in a preferred technical scheme, the triodes Q1-Q4 are all NPN transistors.

Compared with the prior art, the USB charging interface has the advantages that by adopting the scheme, the USB charging interface can meet the electric quantity requirement anytime and anywhere, a battery does not need to be replaced, and the USB charging interface is convenient and efficient; the circuit structure is simple, the manufacturing cost is low, the power consumption is low, and the use value is high.

drawings

For a clearer explanation of the embodiments or technical solutions in the prior art, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

fig. 1 is the utility model discloses a live wire disconnection detector circuit schematic diagram.

Detailed Description

in order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The use of the terms "fixed," "integrally formed," "left," "right," and the like in this specification is for illustrative purposes only, and elements having similar structures are designated by the same reference numerals in the figures.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1, an embodiment of the present invention is:

The power supply module comprises a resistor R4, a diode D1, a light emitting diode LED1, a connector J1, capacitors C3-C4 and a switch S1;

The 1 st pin of the connector J1 is connected to the first terminal of the capacitor C4 and the first terminal of the switch S1 respectively; a second terminal of the switch S1 is connected to the first terminal of the capacitor C3 and the anode of the LED1, respectively; the 2 nd pin of the connector J1, the second ends of the capacitors C3-C4 and the second end of the resistor R4 are all grounded; the cathode of the light-emitting diode LED1 is connected with the anode of the diode D1; the cathode of the diode D1 is connected with the first end of the resistor R4;

The light emitting diode LED1 is a red light emitting diode; the connector J1 is used for connecting a lithium ion battery.

The charging module comprises resistors R1-R3, capacitors C1-C2, a light emitting diode LED2, an interface USB and an integrated circuit U1;

The 2 nd to 3 rd pins of the integrated circuit U1 are sequentially connected with the 2 nd to 1 th pins of the connector J1 respectively;

The 1 st pin of the interface USB is respectively connected with the first ends of the capacitors C1-C2, the first ends of the resistors R2-R3 and the 4 th pin of the integrated circuit U1; the second end of the resistor R1 is connected with the 5 th pin of the integrated circuit U1; a second end of the resistor R2 is connected with the anode of the light emitting diode LED 2; the 1 st pin of the integrated circuit U1 is respectively connected with the second end of the resistor R3 and the cathode of the light emitting diode LED 2; the first end of the resistor R1, the second end of the capacitors C1-C2 and the 5 th pin of the interface USB are all grounded;

The interface USB is a USB charging interface; the light emitting diode LED2 is a green light emitting diode; the integrated circuit U1 is in a model number of PL4054 or TP 4054.

The detection warning module comprises an inductor L, a buzzer BZ1, a probe ANT and a triode Q1-Q4;

A first end of the capacitor C3 is connected with a first end of the buzzer BZ 1;

The first end of the buzzer BZ1 is respectively connected with the collector electrodes of the triodes Q1-Q3; the second end of the buzzer BZ1 is connected with the collector of the triode Q4; the probe ANT is connected with the second end of the inductor L; the first end of the inductor L is connected with the base electrode of the triode Q1; the emitter of the transistor Q1 is connected with the base of the transistor Q2; the emitter of the transistor Q2 is connected with the base of the transistor Q3; the emitter of the transistor Q3 is connected with the base of the transistor Q4; the emitter of the triode Q4 is grounded;

The triodes Q1-Q4 are all NPN transistors.

It should be noted that the above technical features are continuously combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; moreover, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims

1. A fire wire disconnection detector is characterized by comprising a power module, a charging module and a detection warning module, wherein the power module is used for being connected with a rechargeable lithium ion battery; the output end of the charging module is connected with the input end of the power supply module; the output end of the power supply module supplies power to the detection warning module; the detection warning module is used for detecting a live wire.

2. The instrument of claim 1, wherein the power module comprises a resistor R4, a diode D1, a light emitting diode LED1, a connector J1, capacitors C3-C4, and a switch S1.

3. The instrument of claim 2, wherein the 1 st pin of the connector J1 is connected to the first terminal of the capacitor C4 and the first terminal of the switch S1, respectively; a second terminal of the switch S1 is connected to the first terminal of the capacitor C3 and the anode of the LED1, respectively; the 2 nd pin of the connector J1, the second ends of the capacitors C3-C4 and the second end of the resistor R4 are all grounded; the cathode of the light-emitting diode LED1 is connected with the anode of the diode D1; the cathode of the diode D1 is connected to the first end of the resistor R4.

4. the instrument of claim 2 or 3, wherein the LED1 is a red LED; the connector J1 is used for connecting a lithium ion battery.

5. The fire wire disconnection detector of claim 1, wherein the charging module comprises resistors R1-R3, capacitors C1-C2, a light emitting diode LED2, an interface USB, and an integrated circuit U1.

6. The apparatus of claim 5, wherein the 1 st pin of the USB interface is connected to the first terminals of the capacitors C1-C2, the resistors R2-R3, and the 4 th pin of the integrated circuit U1; the second end of the resistor R1 is connected with the 5 th pin of the integrated circuit U1; a second end of the resistor R2 is connected with the anode of the light emitting diode LED 2; the 1 st pin of the integrated circuit U1 is respectively connected with the second end of the resistor R3 and the cathode of the light emitting diode LED 2; the first end of the resistor R1, the second end of the capacitors C1-C2 and the 5 th pin of the interface USB are all grounded.

7. The fire wire disconnection detector according to claim 5 or 6, wherein the interface USB is a USB charging interface; the light emitting diode LED2 is a green light emitting diode; the integrated circuit U1 is in a model number of PL4054 or TP 4054.

8. the fire wire breakage detector of claim 1, wherein the detection alarm module comprises an inductor L, a buzzer BZ1, a probe ANT, and transistors Q1-Q4.

9. The fire wire break detector according to claim 8, wherein the first terminal of the buzzer BZ1 is connected to the collector of the transistor Q1-Q3 respectively; the second end of the buzzer BZ1 is connected with the collector of the triode Q4; the probe ANT is connected with the second end of the inductor L; the first end of the inductor L is connected with the base electrode of the triode Q1; the emitter of the transistor Q1 is connected with the base of the transistor Q2; the emitter of the transistor Q2 is connected with the base of the transistor Q3; the emitter of the transistor Q3 is connected with the base of the transistor Q4; the emitter of the transistor Q4 is grounded.

10. The instrument of claim 8 or 9, wherein the transistors Q1-Q4 are NPN transistors.