TWI580974B - Cable joint detection systems, devices, and modules - Google Patents

Description

Cable connector detection system, device, and module

The invention relates to a system, a device and a module, in particular to a cable joint detection system, device and module.

In the process of urban development, the distribution system plays a very important role. With the development of urban development, taking into account the advantages of city appearance and safety, the distribution system gradually turns underground. Among them, the distribution system uses cables to transmit power to users. The cable is connected between the cable and the cable.

However, the connection point between the cables is that the cable connector is the most vulnerable and most vulnerable to damage in the power distribution system. When the cable is overloaded, the cable connector is aging, etc., the temperature of the cable connector rises abnormally, and it is easy to explode and damage. Power down the user. When the distribution system is underground, it is impossible to know the state of the cable joints in real time. Even in the event of an earthquake, the cable joints are easily embrittled and damaged due to the pulling of the cables. Therefore, monitoring the timely condition of the cable connector to prevent damage to the cable connector is one of the difficulties to be overcome in the implementation of the underground distribution system.

Therefore, the first object of the present invention is to provide a supervisory A cable connector detection system that controls whether a cable connector is abnormal in temperature.

Thus, the cable joint detection system of the present invention comprises two cables, a cable connector, a cable connector detecting device, and a communication unit.

The two cables are used to transmit power.

The cable connector is disposed between the two cables for connecting the two cables.

The cable joint detecting device comprises a cable joint detecting module and a monitoring main station.

The cable connector detection module has a temperature sensor, a processor, a first power line carrier, and a first signal coupler.

The temperature sensor measures the temperature of the cable connector and generates a temperature measurement signal indicative of a measured temperature value.

The processor is electrically connected to the temperature sensor to receive the temperature measurement signal, and stores a temperature upper limit value, and compares the measured temperature value with the temperature upper limit value to determine whether the cable joint is abnormal in temperature, When it is determined that the temperature of the cable connector is abnormal, the processor generates an abnormal signal indicating that the temperature of the cable connector is abnormal and has a position code of the cable connector.

The first power line carrier is electrically coupled to the processor to receive the abnormal signal and modulate the abnormal signal to generate a first power carrier signal.

The first signal coupler is electrically coupled to the first power line carrier to receive the first power carrier signal and couples the first power carrier signal to the cable transmission.

The monitoring primary station receives a notification signal carrying the abnormal signal , a warning output is generated.

The communication unit is electrically connected to the cable, and the monitoring main station receives the first power carrier signal, and converts the first power carrier signal into the notification signal and transmits the signal to the monitoring main station.

A second object of the present invention is to provide a cable joint detecting device capable of monitoring whether a cable joint is temperature abnormal.

A cable connector detecting device is configured to detect a cable connector disposed between two cables for connecting the two cables, the two cables are used for transmitting power, and the cable connector detecting device includes a cable connector detecting Module, and a monitoring master station.

The cable connector detection module includes a temperature sensor, a processor, a first power line carrier, and a first signal coupler.

The temperature sensor measures the temperature of the cable connector and generates a temperature measurement signal indicative of a measured temperature value.

The processor is electrically connected to the temperature sensor to receive the temperature measurement signal, and stores a temperature upper limit value, and compares the measured temperature value with the temperature upper limit value to determine whether the cable joint is abnormal in temperature, When it is determined that the temperature of the cable connector is abnormal, the processor generates an abnormal signal indicating that the temperature of the cable connector is abnormal and has a position code of the cable connector.

The first power line carrier is electrically coupled to the processor to receive the abnormal signal and modulate the abnormal signal to generate a first power carrier signal.

The first signal coupler electrically connects the first power line carrier to receive the first power carrier signal, and the first power carrier signal Coupled to the cable transfer.

The monitoring main station receives a notification signal carrying the abnormal signal and converted by the first power carrier signal from a communication unit electrically connected to the cable and the monitoring main station, and generates a warning output.

A third object of the present invention is to provide a cable joint detecting module capable of monitoring whether a cable joint is abnormal in temperature.

A cable connector detecting module is adapted to detect a cable connector disposed between two cables for connecting the two cables, the two cables are used for transmitting power, and the cable connector detecting module includes a temperature sensing And a processor, a first power line carrier, and a first signal coupler.

The temperature sensor measures the temperature of the cable connector and generates a temperature measurement signal indicative of a measured temperature value.

The processor is electrically connected to the temperature sensor to receive the temperature measurement signal, and stores a temperature upper limit value, and compares the measured temperature value with the temperature upper limit value to determine whether the cable joint is abnormal in temperature, When it is determined that the temperature of the cable connector is abnormal, the processor generates an abnormal signal indicating that the temperature of the cable connector is abnormal and has a position code of the cable connector.

The first power line carrier is electrically coupled to the processor to receive the abnormal signal and modulate the abnormal signal to generate a first power carrier signal.

The first signal coupler electrically connects the first power line carrier to receive the first power carrier signal and couples the first power carrier signal to the cable transmission.

The effect of the invention is that the temperature sensor measures the The temperature of the cable connector generates the temperature measurement signal, and the processor compares the measured temperature value indicated by the temperature measurement signal with the temperature upper limit value to determine whether the temperature of the cable connector is abnormal, and if the cable connector is determined If the temperature is abnormal, the abnormal signal is sent, and the communication unit is transmitted to the monitoring main station, so that the monitoring personnel can immediately detect the abnormal temperature of the cable joint to perform maintenance quickly.

1‧‧‧ cable

2‧‧‧ Cable connector

3‧‧‧Cable connector detection device

31‧‧‧ Cable Connector Detection Module

311‧‧‧ current comparator

312‧‧‧Power supply circuit

313‧‧‧ Temperature Sensor

314‧‧‧ Current Sensor

315‧‧‧ processor

316‧‧‧First power line carrier

317‧‧‧First Signal Coupler

32‧‧‧Monitor main station

321‧‧‧Host

322‧‧‧ input device

4‧‧‧Communication unit

41‧‧‧ four-way switch

42‧‧‧Second signal coupler

43‧‧‧Second power line carrier

44‧‧‧Power Line Carrier Fiber Converter

45‧‧‧Fiber

46‧‧‧Fiber Network Signal Converter

47‧‧‧Power Line Carrier Network Signal Converter

Other features and effects of the present invention will be apparent from the following description of the drawings. FIG. 1 is a block diagram illustrating a first embodiment of the cable joint detection system of the present invention; FIG. 3 is a block diagram showing a second embodiment of the cable joint detecting system of the present invention; and FIG. 4 is a block diagram illustrating the first The processor of the second embodiment receives the read command.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 1 and FIG. 2, the first embodiment of the cable joint detecting system of the present invention comprises two cables 1, a cable joint 2, a cable joint detecting device 3, and a communication unit 4.

The two cables 1 are used for transmitting electric power. The cable connector 2 is disposed between the two cables 1 for connecting the two cables 1. In this embodiment, the components of the electric power include voltage and current, that is, defining the term "electric power. It is an upper-level term for voltage and current, but is not limited to this. The definition of the term "electricity" can also cover electricity, power and energy.

The cable connector detecting device 3 is configured to detect whether the cable connector 2 is abnormal in temperature, and record the magnitude and direction of the current flowing through the cable connector 2, so that the monitoring personnel can immediately know the condition of the cable connector 2, and the cable The connector detecting device 3 includes a cable connector detecting module 31 and a monitoring master station 32.

The cable connector detecting module 31 has a current transformer 311, a power supply circuit 312, a temperature sensor 313, a current sensor 314, a processor 315, a first power line carrier 316, and a The first signal coupler 317.

The current comparator 311 has a primary side and a secondary side, the primary side sensing a magnitude of a current flowing through the cable connector 2, and generating an induced current on the secondary side, the magnitude of the induced current The magnitude of this current is related.

The power supply circuit 312 has a capacitor electrically connected to the secondary side of the current comparator 311, and the capacitor receives the induced current and charges and generates DC power.

The temperature sensor 313 is electrically connected to the power supply circuit 312 to receive the DC power, and measures the temperature of the cable connector 2 and generates a temperature measurement signal indicating a measured temperature value.

The current sensor 314 is electrically connected to the power supply circuit 312 to receive the DC power, and is electrically connected to the secondary side of the current comparator 311 to receive the induced current and generate a current amount indicating a current value and a current direction. The signal is measured, and the current value and the current direction are current values and directions of currents flowing through the cable connector 2, respectively.

The processor 315 is electrically connected to the power supply circuit 312 to receive the DC power, electrically connected to the temperature sensor 313 to receive the temperature measurement signal, and electrically connected to the current sensor 314 to receive the current measurement signal. And an internal temperature upper limit is stored. The processor 315 compares the measured temperature value indicated by the received temperature measurement signal with the temperature upper limit value to determine whether the cable connector 2 is abnormal in temperature, and when the measured temperature value is greater than the temperature upper limit value, The processor 315 determines that the temperature of the cable connector 2 is abnormal, and generates an abnormal signal indicating that the temperature of the cable connector 2 is abnormal and has a position code of the cable connector 2. When the processor 315 receives a read command, the received current measurement signal is output.

The first power line carrier 316 is electrically connected to the power supply circuit 312 to receive the DC power, and is electrically connected to the processor 315 to receive the abnormal signal, and the current measurement signal, and digitally adjust the abnormal signal. Changing to generate a first power carrier signal, and digitally translating the current measurement signal to generate a second power carrier signal.

The first signal coupler 317 is electrically connected to the first power line carrier 316 to receive the first power carrier signal and the second power carrier signal, and couple the first power carrier signal and the second power carrier signal Transfer to the cable 1. In addition, the first signal coupler 317 is from the The cable 1 is coupled to a third power carrier signal carrying the read command and transmitted to the first power line carrier 316, the first power line carrier 316 receives the third power carrier signal, and the third power carrier The signal is converted to analog read bits and converted to the read command and transmitted to the processor 315.

The monitoring master station 32 has a host 321 and an input 322.

The host 321 receives a notification signal. When the notification signal carries the abnormal signal, the host 321 generates an alert output, and the alert may alert the monitoring personnel to a sound or an image; when the notification signal carries the current When the signal is measured, the host 321 displays the current value and the current direction.

The input device 322 is electrically connected to the host 321 and is available for the monitoring personnel to input the read command and transmit to the host 321 , and the host 321 receives the read command to output a read signal carrying the read command. And transmitting, by the communication unit 4, a read signal carrying the read command to the processor 315 of the cable connector detecting module 31.

The communication unit 4 is electrically connected to the cable 1 and the monitoring main station 32, and includes a four-way switch 41, a second signal coupler 42, a second power line carrier 43, a power line carrier fiber converter 44, and a Optical fiber 45, and a fiber optic network signal converter 46.

The four-way switch 41 is electrically connected to the cable 1 and is used for isolating the fault to facilitate maintenance. For example, when the monitoring personnel perceives that the cable 1 electrically connecting the four-way switch 41 or the adjacent cable connector 2 fails, the The four-way switch 41 disconnects the power transmitted on the faulty cable 1, or cable connector 2. Force the repair of the cable 1, or the cable connector 2 again.

The second signal coupler 42 is disposed in the four-way switch 41 and transmits the first power carrier signal, the second, from the cable connector detecting module 31 to the four-way switch 41 in the cable 1 The power carrier signal is coupled or coupled to the third power carrier signal carrying the read command from the monitoring primary station 32 for transmission to the cable 1.

The second power line carrier 43 is electrically connected to the second signal coupler 42 and performs analog-to-digital conversion on the first power carrier signal and the second power carrier signal received from the second signal coupler 42. Generating a notification signal carrying the abnormality signal, and transmitting a notification signal carrying the current value and the current direction, and transmitting a read signal carrying the read command from the monitoring main station 32 to perform digital to analog conversion And generating the third power carrier signal and transmitting the signal to the second signal coupler 42.

The power line carrier fiber converter 44 is electrically connected to the second power line carrier 43 and receives, from the second power line carrier 43 , a notification signal carrying the abnormal signal, the current value and the current direction, respectively, to carry the abnormality. a signal, the current value, and an optical signal in the direction of the current, and the optical signal carrying the read command transmitted from the monitoring main station 32 is converted into a read signal carrying the read command, and transmitted The second power line carrier 43 is given.

The optical fiber 45 is electrically connected to the power line carrier fiber converter 44 and the fiber network signal converter 46 for transmitting the optical signals.

The fiber optic network signal converter 46 is electrically connected to the optical fiber 45 and the host 321 respectively, and the power line carrier fiber converter 44 is The optical fiber 45 transmits the optical signal carrying the abnormal signal, the current value and the current direction, respectively, into a notification signal carrying the abnormal signal, the current value and the current direction, and transmits the signal to the host 321 and The read signal carrying the read command is received from the host 321 and converted into an optical signal carrying the read command, and transmitted to the power line carrier fiber converter 44 via the optical fiber 45.

When the cable connector detecting device 3 starts detecting whether the cable connector 2 has a temperature abnormality, the temperature sensor 313 starts measuring the temperature of the cable connector 2 and generates the temperature measuring signal, and the processor 315 The measured temperature value indicated by the temperature measurement signal is compared with the upper temperature limit value. If the measured temperature value is greater than the upper temperature limit value, indicating that the temperature of the cable connector 2 is abnormal, the processor 315 generates the abnormal signal. And converting the first power carrier signal to the first power carrier signal via the first power line carrier 316, and coupling the first power carrier signal to the cable 1 to the four-way switch 41 via the first signal coupler 317, and then the first The second signal coupler 42 couples the first power carrier signal transmitted by the cable 1, and the second power line carrier 43 tunes the first power carrier signal into the notification signal, and then via the power line carrier fiber converter 44. Converted into the optical signal, and transmitted by the optical fiber 45 to the optical network signal converter 46, and then the optical network signal converter 46 converts the optical signal into the notification signal and the main The format that can be received by the 321 is transmitted to the host 321 , and the host 321 receives the notification signal carrying the abnormal signal and the position code to generate the warning output, and the monitoring personnel knows the temperature from the position code of the warning notification. The exact location of the abnormal cable connector 2 can be repaired as soon as possible.

When the monitoring personnel needs to monitor the current value flowing through the cable connector 2 and the current direction, the monitoring personnel can transmit the read command to the host 321 by inputting the read command from the input device 322, and the host 321 transmits the Reading the read signal of the command to the fiber optic network signal converter 46, the fiber optic network signal converter 46 converts the read signal into the optical signal, and the optical fiber 45 transmits the optical fiber carrier to the power line carrier fiber converter 44. The power line carrier fiber converter 44 converts the optical signal back to the read signal, and the second power line carrier 43 tunes the read signal into the third power carrier signal, and then passes through the second signal coupler 42. Coupling into the cable 1 and transmitting to the cable connector detecting module 31, the first signal coupler 317 couples the third power carrier signal from the cable 1, and the first power line carrier 316 will be the third The power carrier signal is modulated into the read command and transmitted to the processor 315. After receiving the read command, the processor 315 receives the current carrying the current value and the current direction from the current sensor 314. Measurement signal The output is modulated by the first power line carrier 316 into the second power carrier signal, and finally the notification signal carrying the current measurement signal is transmitted to the host 321 in a manner of transmitting the signal like the first power carrier signal. The transmission method will not be described here. When the host 321 receives the notification signal carrying the current measurement signal, the current value and the current direction are displayed. Therefore, the monitor can know the current value flowing through the cable connector 2 and the current direction. Therefore, in this example, the communication mode between the cable connector detecting module 31 and the monitoring main station 32 can be quickly transmitted through the cooperation of the four-way switch 41 and the optical fiber 45.

Referring to FIG. 3 and FIG. 4, the cable joint detecting system of the present invention The second embodiment is similar to the first embodiment except that the communication unit 4 is electrically connected to the cable 1 and the monitoring main station 32, and includes a second signal coupler 42 and a second power line carrier. 43, and a power line carrier network signal converter 47. The first power carrier signal and the second power carrier signal are transmitted from the cable connector detection module 31 to the communication unit 4 via the cable 1, and the second signal coupler 42 transmits the first power carrier signal. The second power carrier signal is coupled from the cable 1. The second power line carrier 43 respectively converts the first power carrier signal and the second power carrier signal into analog signals, and the notification signal is transmitted through the power line carrier network. The signal converters 47 convert the notification signals into a format that the host 321 can receive and transmit to the host 321 respectively. The read signal sent by the host 321 is converted into a digital format of the power line carrier via the power line carrier network signal converter 47, and the read signal is further converted into the third power carrier signal via the second power line carrier 43. The second signal coupler 42 is coupled to the cable 1 and transmitted to the cable connector detecting module 31. In this example, the communication mode between the cable connector detecting module 31 and the monitoring main station 32 can be directly transmitted through the cable 1, which is very convenient.

In summary, the above embodiment has the following advantages:

1. The condition that the temperature of the cable connector 2 rises abnormally is known immediately, and the temperature measuring signal is generated by the temperature sensor 313 measuring the temperature of the cable connector 2, and the processor 315 measures the temperature. The indicated measured temperature value is compared with the upper temperature limit value to determine whether the temperature of the cable joint 2 is abnormal. If it is determined that the temperature of the cable joint 2 is abnormal, the abnormal signal is sent, and the communication unit 4 is transmitted to the monitoring main Station 32, let the prison The controller can immediately detect which cable connector 2 is abnormal in temperature for quick repair.

2. The magnitude of the current flowing through the cable connector 2 and the direction of the current can be immediately known, and the current flowing through the cable connector 2 senses the magnitude of the current and the current direction and generates the induced current. The current sensor 314 receives the induced current to generate the current measurement signal and transmits the current measurement signal to the processor 315. When the monitoring personnel sends the read command from the monitoring main station 32 to the processor 315, the processor 315 Receiving the read command and causing the communication unit 4 to transmit the current measurement signal to the monitoring main station 32, the monitoring personnel can send the read command at any time to know the current magnitude and current direction flowing through the cable connector 2.

3. The power required by the cable connector detecting module 31 can be self-sufficient, and the cable connector detecting module 31 can communicate with the monitoring master station 32 without additional communication system. The induction current is generated by the current comparator 311 sensing the magnitude of the current flowing through the cable connector 2. The power supply circuit 312 receives the induced current to generate the DC power, and supplies the DC power to the processor 315. The temperature sensor 313 The current sensor 314 and the first power line carrier 316 are used, and the cable connector detecting module 31 can operate without additional power. In addition, the cable connector detecting module 31 can communicate with the monitoring main station 32 by transmitting the power cable 1 or the originally disposed optical fiber 45 without additional communication system.

However, the above is only the embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent change and modification of the patent application scope and patent specification content of the present invention, All remain within the scope of the invention patent.

1‧‧‧ cable

2‧‧‧ Cable connector

3‧‧‧Cable connector detection device

31‧‧‧ Cable Connector Detection Module

311‧‧‧ current comparator

312‧‧‧Power supply circuit

313‧‧‧ Temperature Sensor

314‧‧‧ Current Sensor

315‧‧‧ processor

316‧‧‧First power line carrier

317‧‧‧First Signal Coupler

32‧‧‧Monitor main station

321‧‧‧Host

322‧‧‧ input device

4‧‧‧Communication unit

41‧‧‧ four-way switch

42‧‧‧Second signal coupler

43‧‧‧Second power line carrier

44‧‧‧Power Line Carrier Fiber Converter

45‧‧‧Fiber

46‧‧‧Fiber Network Signal Converter

Claims (10)

A cable joint detecting system comprises: two cables for transmitting electric power; a cable joint disposed between the two cables for connecting the two cables; and a cable joint detecting device comprising a cable joint detecting mold The group has a temperature sensor, measures the temperature of the cable connector and generates a temperature measurement signal indicating a measured temperature value, and a processor electrically connects the temperature sensor to receive the temperature measurement signal, And storing a temperature upper limit value, and comparing the measured temperature value with the temperature upper limit value to determine whether the cable joint is abnormal in temperature, and when determining that the temperature of the cable joint is abnormal, the processor generates an indication of the cable The temperature of the connector is abnormal and has an abnormal signal of a position code of the cable connector. A first power line carrier is electrically connected to the processor to receive the abnormal signal, and the abnormal signal is modulated to generate a first power carrier. And a first signal coupler electrically coupled to the first power line carrier to receive the first power carrier signal and to couple the first power carrier signal to the Transmission, and a monitoring master station, receiving a notification signal carrying the abnormality signal, an alarm output is generated; and And a communication unit electrically connecting the cable and the monitoring main station to receive the first power carrier signal, and converting the first power carrier signal into the notification signal and transmitting the signal to the monitoring main station. The cable joint detecting system of claim 1, wherein the notification signal indicates that the temperature of the cable joint is abnormal when the measured temperature value is greater than the temperature upper limit value. The cable connector detecting system of claim 1, wherein the cable connector detecting module further comprises: a current transformer that senses a current flowing through the cable connector and generates an induced current, the sensing The magnitude of the current is related to the magnitude of the current; and a current sensor electrically connected to the current comparator to receive the induced current and generate a current measurement signal indicating a current value and a current direction, electrically connecting the processor to Transmitting the current measurement signal to the processor; when the processor receives a read command, and transmitting the current measurement signal to the first power line carrier, the first power line carrier measures the current The signal is modulated to generate a second power carrier signal and transmitted to the first signal coupler, the first signal coupler receiving the second power carrier signal and coupling the second power carrier signal to the cable transmission, The communication unit receives the second power carrier signal, and converts the second power carrier signal into the notification signal and transmits the signal to the monitoring primary station. The cable joint detecting system according to claim 3, wherein the monitoring main The station has: a host receiving the notification signal, and generating the warning output when the notification signal carries the abnormal signal; and displaying the current value and the current direction when the notification signal carries the current measurement signal; An input device electrically connected to the host, and a user can input the read command and transmit the read command to the host, and when the host receives the read command to output a read signal carrying the read command, and The read signal is transmitted to the communication unit, the communication unit receives the read signal and converts the read signal into a third power carrier signal coupled to the cable transmission, the first signal coupler modulating the third power carrier signal The cable is coupled out of the cable and transmitted to the first power line carrier, the first power line carrier receiving the third power carrier signal and modulating the read command and transmitting to the processor. The cable connector detecting system of claim 3, wherein the cable connector detecting module further comprises: a power supply circuit electrically connected to the current comparator to receive the induced current and generate a direct current power, and electrically connect the cable a temperature sensor, the processor, the first power line carrier, and the current sensor to supply the DC power to the temperature sensor, the processor, the first power line carrier, and the current sensing Device. A cable joint detecting device is adapted to detect a cable joint disposed between two cables for connecting the two cables, the two cables are used for transmitting power, and the cable joint detecting device comprises: A cable connector detecting module includes a temperature sensor, measuring the temperature of the cable connector and generating a temperature measuring signal indicating a measured temperature value, and a processor electrically connecting the temperature sensor to receive The temperature measurement signal stores a temperature upper limit value, and compares the measured temperature value with the temperature upper limit value to determine whether the cable joint is abnormal in temperature. When it is determined that the temperature of the cable joint is abnormal, the processing is performed. Generating an abnormal signal indicating a temperature abnormality of the cable connector and having a position code of the cable connector, a first power line carrier electrically connecting the processor to receive the abnormal signal, and modulating the abnormal signal Generating a first power carrier signal, and a first signal coupler electrically connecting the first power line carrier to receive the first power carrier signal and coupling the first power carrier signal to the cable transmission; and monitoring The primary station receives a notification signal carrying the abnormal signal and converted by the first power carrier signal from a communication unit electrically connected to the cable and the monitoring primary station, Warning output. The cable connector detecting device of claim 6, wherein the cable connector detecting module further comprises: a current comparator that senses a current flowing through the cable connector and generates an induced current, the sensing The magnitude of the current is related to the magnitude of the current; and a current sensor electrically connected to the current comparator to receive the induced current And generating a current measurement signal indicating a current value and a current direction, electrically connecting the processor to transmit the current measurement signal to the processor; when the processor receives a read command, and the current is The measurement signal is transmitted to the first power line carrier, the first power line carrier modulates the current measurement signal to generate a second power carrier signal, and transmits the second power carrier signal to the first signal coupler, the first signal The coupler receives the second power carrier signal and couples the second power carrier signal to the cable transmission, the communication unit receives the second power carrier signal, and converts the second power carrier signal into the notification signal and transmits the signal The monitoring master station. The cable joint detecting device of claim 7, wherein the monitoring main station comprises: a host receiving the notification signal, and when the notification signal carries the abnormal signal, generating the warning output; when the notification signal carries The current measurement signal is used to display the current value and the current direction; and an input device is electrically connected to the host, and is available for a user to input the read command and transmit to the host, when the host receives the read Taking a command to output a read signal carrying the read command, and transmitting the read signal to the communication unit, the communication unit receiving the read signal and converting the read signal into a third power carrier signal coupling Transmitting to the cable, the first signal coupler couples the third power carrier signal from the cable and transmits the signal to the first power line carrier, the first power line carrier receiving the The three power carrier signals are modulated into the read command and transmitted to the processor. The cable connector detecting device of claim 7, wherein the cable connector detecting module further comprises: a power supply circuit electrically connecting the current comparator to receive the induced current and generating a direct current power, electrically connecting the a temperature sensor, the processor, the first power line carrier, and the current sensor to supply the DC power to the temperature sensor, the processor, the first power line carrier, and the current sensing Device. A cable connector detecting module is configured to detect a cable connector disposed between two cables for connecting the two cables, the two cables are used for transmitting power, and the cable connector detecting module comprises: a temperature a sensor, measuring the temperature of the cable connector and generating a temperature measurement signal indicating a measured temperature value; a processor electrically connecting the temperature sensor to receive the temperature measurement signal and storing a temperature a limit value, and comparing the measured temperature value with the upper temperature limit value to determine whether the cable joint is abnormal in temperature, and when it is determined that the temperature of the cable joint is abnormal, the processor generates an abnormal temperature indicating that the cable joint is abnormal An abnormal signal having a position code of the cable connector; a first power line carrier electrically connected to the processor to receive the abnormal signal, and modulating the abnormal signal to generate a first power carrier signal; a signal coupler electrically connected to the first power line carrier Receiving the first power carrier signal and coupling the first power carrier signal to the cable transmission.