CN203786244U - Electrical wiring line checking device - Google Patents

Abstract

The utility model discloses an electrical wiring line checking device comprising a matching network circuit and a terminal testing machine. The terminal testing machine comprises a signal generator, a microprocessor and a prompting device. The microprocessor is used to control the prompting device to output a prompting signal matched with the current value of the signal generator loop current by detecting the magnitude of the current value. At this time, a worker can judge the power transmission line of a user corresponds to which building internal power line at a power distribution cabinet through the prompting information so as to determine the user information marked on a measuring electric meter connected with the building internal power line. Thus, by adopting the electrical wiring line checking device provided in the application, the line checking operation can be completed with only one person, so advantages of convenient utilization and high reliability can be realized.

Description

Electrical wiring calibration device

technical field

The present application relates to the technical field of electric power system, and more specifically, relates to a device for aligning electrical wiring.

Background technique

In building power distribution, the ammeters of each user are centrally set in the power distribution cabinet. Before supplying power to the user, it is necessary to calibrate the power line from the power distribution cabinet to the user's home to prevent the wrong connection of the meter.

Due to the long distance between the distribution cabinet and the user's home, it is very difficult to calibrate the wiring. The traditional method of calibrated wiring is to use lights (or multimeters) and walkie-talkies. While the measurement is completed with the relevant meter measurement, the calibration line has low efficiency and poor reliability. And for high-rise buildings, the power distribution room is located in the basement, or the intercom signal is poor, the school line work is more difficult.

Therefore be badly in need of a kind of easy-to-use, reliable high building power distribution electrical wiring collation device now.

Utility model content

In view of this, the present application provides an electric wiring alignment device.

In order to achieve the above purpose, the proposed scheme is as follows:

A device for calibrating electrical wiring, including: a matching network circuit and a terminal testing machine;

The matching network circuit includes:

N resistors connected to each other at the first ends, wherein the common end of the N resistors is used as the neutral terminal of the matching network circuit, and the N is a positive integer not less than 1;

The second end of the N resistor is used as the N live wire input ends of the matching network circuit;

The terminal testing machine includes:

A signal generator for sending test signals;

A microprocessor for outputting a control signal matching the magnitude of the loop current of the signal generator;

A prompting device for outputting prompt information matching the control signal;

Wherein the resistance values of the N resistors are different, and the matching network circuit and the terminal testing machine are connected through wires when the electrical wiring calibrating device is used.

Preferably, the above-mentioned electric wiring calibration device may also include:

a first test lead-in arrangement;

The first test lead-in device includes N live lead-in leads connected one by one to the N resistors of the matching network circuit and a neutral lead-in lead connected to the neutral-line terminal of the matching network circuit;

The lead-in wire is composed of an alligator clip and a lead wire, the tail end of the live wire lead-in wire alligator clip is connected to the live wire input end of the matching network circuit, and the clamp is connected to the lead wire; the tail end of the zero line lead-in wire alligator clip It is connected with the zero line terminal, and the clamp is connected with the lead wire.

Preferably, in the above electrical wiring calibration device, the terminal testing machine may further include: a second lead-in device;

The second lead-in device includes a live lead-in lead and a neutral lead-in lead, the tail of the live lead-in crocodile clip is connected to the output of the signal generator, the tail of the neutral lead-in crocodile clip is connected to the signal generator connected to the input of the device.

Preferably, in the above-mentioned electrical wiring calibration device, the microprocessor has N output terminals, and the microprocessor outputs a high level for controlling one output terminal corresponding to the magnitude of the loop current of the signal generator microprocessor.

Preferably, in the above electrical wiring alignment device, the prompting device includes:

N light-emitting diodes, the anodes of the N light-emitting diodes are connected to the N output terminals of the microprocessor, and one light-emitting diode is only connected to the output terminal of one microprocessor.

Preferably, in the above electrical wiring alignment device, the prompting device is a digital tube;

And the microprocessor is a microprocessor that controls the displayed number of the nixie tube to match the magnitude of the loop current of the generator.

Preferably, in the above-mentioned electrical wiring calibration device, the matching network circuit is connected to the first test lead-in device through a terminal.

Preferably, in the above-mentioned electrical wiring alignment device, the lead wires are flexible wires.

Preferably, in the above-mentioned electrical wiring alignment device, the soft wire is a soft silicone cable.

Preferably, in the above-mentioned electric wiring alignment device, the resistance values of the N resistors are distributed in an equal ratio sequence.

It can be seen from the above technical solution that the electrical wiring calibration device disclosed in the present application uses a microprocessor to detect the magnitude of the current value in the loop current of the signal generator, and controls the prompting device to output a prompt that matches the current value. At this time, the staff can judge which building internal power line at the power distribution cabinet the power transmission line of the user should correspond to through the prompt information, so as to determine the meter connected to the building internal power line. User Info. It can be seen that by adopting the electrical wiring alignment device provided by the present application, the alignment work can be completed by one person, which is convenient to use and has high reliability.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present application. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a structural diagram of an electrical wiring calibration device disclosed in an embodiment of the present application;

FIG. 2 is a structural diagram of a matching network circuit disclosed in an embodiment of the present application;

Fig. 3 is a structural diagram of an electrical wiring alignment device disclosed in another embodiment of the present application;

Fig. 4 is a structural diagram of an electrical wiring calibration device disclosed in another embodiment of the present application;

Fig. 5 is a structural diagram of a prompting device disclosed in an embodiment of the present application.

Detailed ways

In order to solve the problem of low work efficiency and poor reliability in the process of calibrating wires in the prior art, the present application provides a wiring calibrating device.

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

FIG. 1 is a structural diagram of an electrical wiring alignment device disclosed in an embodiment of the present application.

Figure 2 is a structural diagram of the matching network circuit.

Referring to Fig. 1 and Fig. 2, the described electrical wiring calibration device is composed of two parts, namely: matching network circuit 1 and terminal testing machine 3, when applying the electrical wiring calibration device, the matching The network circuit 1 and the terminal testing machine 3 are connected through the power line 2 in the building, the matching network circuit 1 is set on the power distribution cabinet side, and the terminal testing machine 3 is set on the user side;

Specifically, referring to FIG. 2, the matching network circuit 1 specifically includes:

N resistors (resistors R1 to RN), the first terminals of the N resistors are connected to each other to form a common terminal of the N resistors, and the common terminal of the N resistors is used as the neutral line of the matching network circuit 1 Terminal PCOM, the N is a positive integer not less than 1;

The second end of the N resistor is used as the N live wire input ends of the matching network circuit, that is, the second ends of the first to Nth resistors are sequentially used as the first to Nth live wire inputs of the matching network circuit 1 terminal (P1 to PN);

The terminal testing machine 3 is composed of a signal generator 301, a microprocessor 302 and a prompting device 303:

Wherein the signal generator 301 is used to send a test signal to the matching network circuit 1;

The microprocessor 302 is used to output a control signal that matches the magnitude of the current in the loop of the signal generator 301. It should be noted that the microprocessor 302 outputs a corresponding control signal according to the magnitude of the detected current. The common working mode of the microprocessor in the prior art belongs to the basic functions that the microprocessor can realize, so the microprocessor in this application does not involve the substantive improvement of the processing process;

The prompting device 303 is used to output prompt information matching the control signal of the microprocessor 302;

It should be noted here that the resistance values of the N resistors are different, so that when the terminal testing machine 3 is calibrating lines for different users, the current magnitudes in the signal generator loop are different .

The working engineering of the described electrical wiring calibration device of the present application is described below:

When using the electrical wiring calibration device to calibrate the wiring of users in the building, the matching network circuit is connected to the power distribution cabinet side, the terminal testing machine is connected to the power transmission line in the user's home, and the control unit The signal generator sends a test voltage signal, the voltage signal passes through the internal power line in the building, flows through the resistance connected to the power line, and then forms a loop with the signal generator through the neutral line terminal, and the microprocessor passes Detect the size of the current value in the signal generator circuit, generate a matching control signal, control the prompting device to generate prompt information, and at this time, the staff can judge that the user's power transmission line should be connected with the user through the prompt information. Which building's internal power line at the power distribution cabinet corresponds to, so as to determine the user information that should be marked on the meter connected to the building's internal power line.

For example, the test voltage signal is V, and when the V flows through the first resistor R1, the current value I=V/R1 in the signal generator circuit, the microprocessor output and the current value I The matching control signal K controls the prompting device to generate prompting information matching the control signal, and the staff can determine the user identification information of the electric energy meter connected to the internal power line of the building corresponding to R1 according to the prompting information .

Of course, in order to remember the corresponding relationship between the N resistors and the metering meter more conveniently, when the staff connects the matching network circuit and the internal power line of the building at the side of the distribution cabinet, they can The connection is made in a way that is easy to remember. Of course, the staff can also take pictures after the connection is completed for checking.

It can be seen that in the electric wiring calibration device disclosed in the present application, the microprocessor controls the output of the prompting device to match the current value of the signal generator loop current according to the current value The prompt signal that the current value matches, at this time, the staff can use the prompt information to judge which internal power line of the building the user's power transmission line should correspond to, so as to determine whether it is connected to the internal power line of the building The meter should identify the user information. It can be seen that by adopting the electrical wiring alignment device provided by the present application, the alignment work can be completed by one person, which is convenient to use and has high reliability.

Fig. 3 is a structural diagram of an electric wiring alignment device disclosed in another embodiment of the present application.

Referring to Fig. 3, in order to facilitate the connection between the matching network circuit and the internal power line of the building, on the basis of the technical solutions disclosed in the above-mentioned embodiments, the electrical wiring calibration device of the present application may also include: first Test lead-in device 4;

The first test lead-in device 4 is composed of N live lead-ins and a neutral lead-in, the live lead-in is connected to N resistors of the matching network circuit, and one live lead-in is only connected to one resistor , the zero line lead-in line connected to the neutral line terminal of the matching network circuit;

Referring to Fig. 3, the lead-in wire of the live wire and or the lead-in wire of the neutral wire may be composed of an alligator clip and a lead wire, the tail end of the alligator clip of the live wire lead-in wire is connected to the live wire input end of the matching network, and the clamp is connected to the live wire input end of the matching network. The tail end of the alligator clip of the zero line lead-in line is connected to the zero line terminal, and the clamp is connected to the lead wire. When the electrical wiring calibration device disclosed in this embodiment is used, the lead wire is not connected to the The end connected to the alligator clip is connected to the internal power line of the building.

Fig. 4 is a structural diagram of an electric wiring alignment device disclosed in another embodiment of the present application.

Referring to Figure 4, in order to facilitate the connection between the terminal testing machine at the user and the internal power line of the building, the electrical wiring calibration device of the present application may further include: on the basis of the technical solutions disclosed in the above embodiments: Two lead-in devices 5;

Referring to Fig. 4, the second lead-in device 5 may include a lead-in wire of a live wire and a lead-in wire of a neutral wire, the tail of the alligator clip of the lead-in wire of the live wire is connected with the output end of the signal generator, and the lead-in wire of the zero line lead-in wire alligator clip The tail is connected with the input end of the signal generator. When using the electrical wiring calibration device disclosed in the present application, the leading wire of the live wire lead-in wire is connected to the live wire of the internal power line of the building, and the neutral line is connected to the neutral wire of the internal power line of the building.

It should be noted here that since the microprocessor is one of the most commonly used control devices in the prior art, there are various types of the microprocessor in the prior art, so the technical solution disclosed in this application does not The type of the microprocessor is not limited too much, as long as the microprocessor can output a control signal corresponding to the current value according to the magnitude of the detected current value, all within the protection scope of the present application.

For example, the microprocessor can be a microprocessor with N output terminals, and the microprocessor is used to calculate the magnitude of the current value when detecting that there is a current in the signal generator loop, and control the current value with the current value. An output terminal corresponding to the magnitude outputs a high level, thereby controlling the prompting device to output prompt information corresponding to the magnitude of the current in the signal generator.

Fig. 5 is a structural diagram of a prompting device disclosed in an embodiment of the present application.

Corresponding to the above-mentioned microprocessor with N output terminals, the present application also discloses a prompting device corresponding to the microprocessor, referring to Fig. 5, the prompting device includes N light-emitting diodes, and the N light-emitting diodes The anodes of the N LEDs are connected to the N output terminals of the microprocessor in one-to-one correspondence, the anodes of the N LEDs are connected to the N output terminals of the microprocessor, and one LED is only connected to the output of one microprocessor. When a certain output terminal of the microprocessor has a high-level signal output, the diode connected to the output terminal emits light. Of course, in order to prevent the diode from being burned, the connection between the diode and the output terminal of the microprocessor There is also a current limiting resistor.

It can be understood that the prompting device can also be a digital tube, and when the prompting device is a digital tube, the microprocessor controls the display number of the digital tube to match the size of the generator loop current microprocessor. For example, when the signal generator loop flows through the first resistor R1, the microcontroller detects and generates a first control signal based on the current of the signal generator loop, so that the digital tube displays 1. What needs to be explained here is that the corresponding relationship between the displayed number of the digital tube and the magnitude of the current in the circuit of the signal generator can be preset.

In order to facilitate the connection between the matching network circuit and the first test lead-in device, a terminal block for wiring is also provided between the matching network circuit and the first test lead-in device, that is, the matching network circuit and the first test lead-in device The first test lead-in means are connected via terminals.

It can be understood that for the convenience of wiring, soft wires can be selected as the lead wires in the above embodiments of the present application, for example, the lead wires can be soft silicone cables.

In the technical solutions disclosed in the above embodiments of the present application, the resistance values of the first to the Nth resistors can be set according to user needs, as long as the resistance values of the N resistors are different, for example, the The resistance values of the N resistors can be distributed proportionally.

Finally, it should also be noted that in this text, relational terms such as first and second etc. are only used to distinguish one entity or operation from another, and do not necessarily require or imply that these entities or operations, any such actual relationship or order exists. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A device for correcting electrical wiring, comprising: a matching network circuit and a terminal testing machine; The matching network circuit includes: N resistors connected to each other at the first ends, wherein the common end of the N resistors is used as the neutral terminal of the matching network circuit, and the N is a positive integer not less than 1; The second end of the N resistor is used as the N live wire input ends of the matching network circuit; The terminal testing machine includes: A signal generator for sending test signals; A microprocessor for outputting a control signal matching the magnitude of the loop current of the signal generator; A prompting device for outputting prompt information matching the control signal; Wherein the resistance values of the N resistors are different, and the matching network circuit and the terminal testing machine are connected through wires when the electrical wiring calibrating device is used. 2. According to the electric wiring alignment device in claim 1, it is characterized in that, also comprising: a first test lead-in arrangement; The first test lead-in device includes N live lead-in leads connected one by one to the N resistors of the matching network circuit and a neutral lead-in lead connected to the neutral-line terminal of the matching network circuit; The lead-in wire is composed of an alligator clip and a lead wire, the tail end of the live wire lead-in wire alligator clip is connected to the live wire input end of the matching network circuit, and the clamp is connected to the lead wire; the tail end of the zero line lead-in wire alligator clip It is connected with the zero line terminal, and the clamp is connected with the lead wire. 3. The electrical wiring calibration device according to claim 2, wherein the terminal testing machine further comprises: a second lead-in device; The second lead-in device includes a live lead-in lead and a neutral lead-in lead, the tail of the live lead-in crocodile clip is connected to the output of the signal generator, the tail of the neutral lead-in crocodile clip is connected to the signal generator connected to the input of the device. 4. According to the electric wiring calibration device in claim 1, it is characterized in that, said microprocessor has N output ends, and said microprocessor is to control the size corresponding to the size of said signal generator loop current One output outputs a high level to the microprocessor. 5. The electrical wiring calibration device according to claim 4, wherein the prompting device comprises: N light-emitting diodes, the anodes of the N light-emitting diodes are connected to the N output terminals of the microprocessor, and one light-emitting diode is only connected to the output terminal of one microprocessor. 6. The electrical wiring calibration device according to claim 1, wherein the prompting device is a digital tube; And the microprocessor is a microprocessor that controls the displayed number of the nixie tube to match the magnitude of the loop current of the generator. 7. The electrical wiring calibration device according to claim 2, wherein the matching network circuit is connected to the first test lead-in device through a terminal. 8. The electrical wiring alignment device according to any one of claims 2-3, characterized in that the lead wires are flexible wires. 9. The electrical wiring calibration device according to claim 8, characterized in that, the flexible wire is a soft silicone cable. 10. The electrical wiring calibration device according to claim 1, wherein the resistance values of the N resistors are distributed in an equiproportional sequence.