TWI606243B - Method, power supply cable and power supply cable module for detection of cable anomaly - Google Patents

Description

Sensing method for abnormal power transmission line, power transmission line capable of sensing abnormality Abnormal power transmission line module

The invention relates to a sensing method for abnormality of a power transmission line, a power transmission line capable of sensing an abnormality, and a power transmission line module capable of sensing an abnormality, in particular, predicting an abnormality of the conductive line by sensing deformation of an insulating layer outside the conductive line. Invention.

The Republic of China new patent No. M509466 "Warning device for preventing wire fires" is mainly provided with an identification pattern on the end surface of a base layer, and the identification pattern is covered with a temperature-sensitive color-changing portion, whereby when used, The creation is attached to the wire or plug of the electrical appliance. When the wire exceeds the rated load due to voltage and current, the wire is overheated to generate high temperature. When the temperature reaches the set temperature of the temperature-sensitive color-changing part of the creation, the temperature-sensitive color-changing part will be It becomes transparent, and the identification pattern that covers it appears. Here, the user can visually know that the electrical appliance wire is overheated, and the treatment is performed to prevent the wire from igniting, and the temperature change color is changed to make the temperature sensitive. When the discoloration function is degraded, the creation can be torn off from the wires of the electrical appliance, and a new one can be replaced to achieve the benefit of maintaining the warning function.

Although the former case has the function of detecting wire abnormalities, it is limited to temperature detection; if only the surface of the wire is damaged (such as: suffering from rodent bites), and the wire is short-circuited and dangerous (for example, leakage) The former case cannot warn the user to stay away from the wires, and has limited help in the safety of the wire.

Accordingly, the present invention provides a method for sensing an abnormality of a power transmission line, comprising the steps of: coating a piezoelectric sensing member on an outer edge of an insulating layer of a conductive wire; and sensing the outer side of the conductive wire through a piezoelectric effect. a deformation value of the insulation layer due to an abnormality; a processing unit ratio to the deformation value and a preset value, when the deformation value is higher than the preset value, determining that the transmission line is abnormal, and outputting by the processing unit Warning instructions.

The above warning command is output to an alert unit, and an alert signal is output by the alert unit.

The above-mentioned piezoelectric inductance measuring device is selected from one of the following: an inorganic piezoelectric material, an organic piezoelectric material or a composite piezoelectric material. Wherein the inorganic piezoelectric material comprises a piezoelectric crystal or a piezoelectric ceramic.

The present invention is also a power transmission line capable of sensing an abnormality, comprising a conductive line; an insulating layer, annularly covering the outer side of the conductive line; and a piezoelectric sensing component coated on the insulating layer for sensing A deformation value of the insulating layer is measured.

The above-mentioned piezoelectric inductance measuring device is selected from one of the following: an inorganic piezoelectric material, an organic piezoelectric material or a composite piezoelectric material. Wherein the inorganic piezoelectric material comprises a piezoelectric crystal or a piezoelectric ceramic.

The present invention is also a power transmission line module capable of sensing an abnormality, comprising: a power transmission line, comprising: a conductive line, an insulating layer annularly covering the outer side of the conductive line, and a piezoelectric inductance measuring member covering the same The insulating layer is configured to sense a deformation value of the insulating layer. a processing unit is connected to the pressure sensing component for accepting the deformation value, and comparing the deformation value with a preset value, and if the deformation value is higher than the preset value, outputting a warning instruction . A warning unit is connected to the processing unit, accepts the warning command transmitted by the processing unit and sends a warning signal.

Further, the piezoelectric inductance measuring device is a piezoelectric material.

Further, the piezoelectric material is one of the following: an inorganic piezoelectric material, an organic piezoelectric material, or a composite piezoelectric material.

Further, the inorganic piezoelectric material comprises a piezoelectric crystal or a piezoelectric ceramic.

Further, the warning signal includes an audible warning signal or a light warning signal.

According to the above technical features, the following effects can be achieved:

1. The present invention senses whether the insulating layer of the power transmission line is damaged by the piezoelectric inductance measuring device (for example, suffering from rodent bites), avoiding leakage of the power transmission line, and causing the user to accidentally touch the power transmission line. Risk of electric shock.

2. The insulation layer at any location is destroyed, and the pressure sensing component can immediately obtain the message, so the warning can be issued at the first time.

(1)‧‧‧Power transmission line

(11)‧‧‧Flexible lines

(12)‧‧‧Insulation

(13)‧‧‧Inductance measuring parts

(2) ‧‧‧Processing unit

(3) ‧ ‧ warning unit

(A) ‧‧‧Traffic Vehicles

[First Image] is a schematic flow chart of the method of the present invention.

[Second diagram] is a schematic cross-sectional view of the power transmission line of the present invention, illustrating that the outer side of the conductive line is covered with the insulating layer, and the insulating layer is further covered with the piezoelectric inductance measuring member.

[Third Figure] is a functional block diagram of a module of the present invention, illustrating the connection relationship of the components of the present invention.

[Fourth figure] is a perspective view of a module of the present invention.

[Fifth Figure] is a schematic diagram of the implementation of the module of the present invention in combination with the use of a car, illustrating that driving in a traffic vehicle can be quickly removed from the traffic vehicle by the warning unit to avoid danger (wire fire or wire short circuit, etc.) ).

In combination with the above technical features, the main method of sensing the abnormality of the power transmission line, the power transmission line capable of sensing an abnormality, and the power transmission line module capable of sensing an abnormality will be clearly shown in the following embodiments.

Referring to the first to third figures, first, the present invention annularly covers an insulating layer (12) on the outer side of one of the conductive wires (11) of the power transmission line (1), in which the insulating layer (12) Overlying a piezoelectric The sensing member (13) [shown in the second figure], the piezoelectric sensing member (13) senses a deformation value of the insulating layer (12) due to an abnormality through a piezoelectric effect.

The above-mentioned piezoelectric inductance measuring member (13) is one of the following: an inorganic piezoelectric material (inorganic piezoelectric material containing piezoelectric crystal or piezoelectric ceramic), an organic piezoelectric material or a piezoelectric material of composite piezoelectric material.

The above abnormality includes the case where the insulating layer (12) is broken due to high temperature, suffering from rodent bites or long-term use of the insulating layer (12), resulting in deformation or destruction of the insulating layer (12).

Further, the deformation value is the degree of deformation of the insulating layer (12).

A processing unit (2) is connected to the piezoelectric sensing component (13) and a warning unit (3).

The processing unit (2) receives the deformation value sensed by the pressure sensing component (13), and the processing unit (2) compares whether the deformation value is higher than a preset value.

If the deformation value is higher than the preset value, an alert command is generated through the processing unit (2), and the alert command is transmitted to the alert unit (3), and the alert unit (3) further issues a warning signal.

The warning signal includes an audible warning signal or a light warning signal to warn the user that the insulation layer (12) has been excessively deformed and has a risk of leakage, so that the user can pre-prevent the protection, for example, repairing the conductive wire (11) or Temporarily away from the conductive wire (11), the conductive wire (11) is prevented from leaking, and the user accidentally touches the conductive wire (11), thereby causing a risk of electric shock.

The preset value is different for different conductive lines (11), and the preset value is adjusted (for example, the conductive lines (11) of different resistors are respectively set to different preset values) .

Please refer to the fourth and fifth figures. When the driver is driving a traffic vehicle (A) (this example is a car), the pressure sensing component (13) will sense the traffic vehicle. Whether the conductive line (11) on (A) is deformed if the deformation value of the conductive line (11) is greater than a preset value preset by the processing unit (2) on the traffic carrier (A) The processing unit (2) transmits the alert command to the alert unit (3), The warning unit (3) is a driver with a light warning signal, and the driver can immediately pre-process to avoid the occurrence of a fire caused by the short-circuit of the conductive wire (11), resulting in a delay in escape. .

In the embodiment, the processing unit (2) is a driving computer. The warning unit (3) is a light warning device.

In view of the foregoing description of the embodiments, the operation and the use of the present invention and the effects of the present invention are fully understood, but the above described embodiments are merely preferred embodiments of the present invention, and the invention may not be limited thereto. Included within the scope of the present invention are the scope of the present invention.

(1)‧‧‧Power transmission line

(11)‧‧‧Flexible lines

(12)‧‧‧Insulation

(13)‧‧‧Inductance measuring parts

(2) ‧‧‧Processing unit

(3) ‧ ‧ warning unit

Claims (5)

A sensing method for abnormality of a power transmission line includes the following steps: an insulating layer is annularly coated on the outer side of a conductive wire, and a piezoelectric sensing component is completely covered on the outer edge of the insulating layer, the piezoelectric sensing component Is selected from one of the following: an inorganic piezoelectric material, an organic piezoelectric material or a composite piezoelectric material, the inorganic piezoelectric material comprising a piezoelectric crystal or a piezoelectric ceramic; the insulation outside the conductive line is sensed by a piezoelectric effect a deformation value generated by the layer due to the abnormality; the processing unit compares the deformation value with a preset value, and when the deformation value is higher than the preset value, determining that the transmission line is abnormal, and the processing unit outputs a warning instruction . The method for sensing an abnormality of a power transmission line as described in claim 1, wherein the warning command is output to an alert unit, and the alert unit outputs a warning signal. A power transmission line capable of sensing an abnormality, comprising: a conductive line; an insulating layer, annularly covering the outer side of the conductive line; and a piezoelectric inductance measuring piece completely covering the insulating layer for sensing Measuring a deformation value of the insulating layer, the piezoelectric sensing component is selected from one of the following: an inorganic piezoelectric material, an organic piezoelectric material or a composite piezoelectric material, the inorganic piezoelectric material comprising a piezoelectric crystal or a piezoelectric ceramics. A power transmission line module capable of sensing an abnormality, comprising: a power transmission line, comprising: a conductive line, the outer side of the conductive line is covered with an insulating layer; and a piezoelectric sensing part is completely covered by the insulating a layer for sensing a deformation value of the insulating layer, the piezoelectric sensing component being a piezoelectric material, the piezoelectric material being one of the following: an inorganic piezoelectric material, an organic piezoelectric material or a composite pressure An electrical material, the inorganic piezoelectric material comprising a piezoelectric crystal or a piezoelectric ceramic; a processing unit connected to the piezoelectric inductance measuring component for accepting the deformation value and comparing the deformation value with a preset value And if the deformation value is higher than the preset value, outputting a warning instruction; A warning unit is connected to the processing unit, accepts the warning command transmitted by the processing unit and sends a warning signal. The power transmission line module capable of sensing an abnormality as described in claim 4, wherein the warning signal comprises an audible warning signal or a light warning signal.