CN210835198U

CN210835198U - Cable checking device

Info

Publication number: CN210835198U
Application number: CN201921420675.6U
Authority: CN
Inventors: 张岩; 王铨; 何白冰
Original assignee: Shuohuang Railway Development Co Ltd
Current assignee: Shuohuang Railway Development Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-23
Anticipated expiration: 2029-08-29

Abstract

The utility model relates to a cable school line device, including first connector and second connector. The first connector comprises a switch unit and a control unit, wherein the switch unit is used for being electrically connected with one end of the cable to be tested; the control unit is used for receiving the remote control signal and controlling the switch unit to be switched on or switched off according to the remote control signal so as to switch on or switch off the power supply loop of the cable to be tested. The second connector comprises a first indicating component which is used for being electrically connected with the other end of the cable to be tested; when the power supply loop of the cable to be tested is conducted, the first indicating component is used for sending out a first indicating signal. After the cable to be tested is connected, an operator sends out a remote control signal according to a test requirement, the control unit receives the remote control signal and switches on or off a power supply loop of the cable to be tested according to the remote control signal, then the cable calibration work of the cable to be tested can be completed by one person according to the first indication signal, the operation is simple, two persons do not need to use interphone calling responses for many times, and the operation flow is effectively reduced.

Description

Cable checking device

Technical Field

The utility model relates to a cable school line field especially relates to a cable school line device.

Background

In a power transformation and distribution substation, each high-voltage device needs to be electrically connected by using a secondary cable to realize functions of metering, measuring, protecting, remote signaling, controlling and the like. Various fault finding of the secondary cable also often occurs, and at the moment, the cable is usually required to be calibrated. In addition, in the construction work, the cable needs to be corrected before the secondary cable is laid. At present, the known low-voltage cable calibration method needs two technicians to utilize a multimeter and an interphone, one person enables cable cores to be grounded one by one at one end of a cable, and the other person measures the connection and disconnection of the cable to a ground net at the other end of the cable by using the multimeter, wherein if a cable calibration area has no ground net, the common core can be used for replacing the ground net. However, during the cable calibration process, the operators at the two ends of the cable need to repeatedly communicate through the intercom, and need to switch the measurement of the core wires of the cable one by one, for example, for an 8-core cable, the cable calibration is required 27 times at most (7+6+5+4+3+2 is 27), and for a 16-core cable, the cable calibration is required 119 times at most. When the number of cables is large, the whole cable checking process is very complicated, and errors are easy to occur.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a cable calibration device for solving the problem of complicated cable calibration process in the prior art.

A cable calibration device comprises a first connector and a second connector.

The first connector comprises a switch unit and a control unit, wherein the switch unit is used for being electrically connected with one end of a cable to be tested; the control unit is used for receiving a remote control signal and controlling the switch unit to be switched on or switched off according to the remote control signal so as to switch on or switch off the power supply loop of the cable to be tested. The second connector comprises a first indicating component which is used for being electrically connected with the other end of the cable to be tested; when the power supply loop of the cable to be tested is conducted, the first indicating component is used for sending a first indicating signal.

In the cable calibration device, one end of the cable to be tested is electrically connected with the switch unit of the first connector, the other end of the cable to be tested is electrically connected with the first indicating component of the second connector, the switch unit is used for switching on or off the power supply loop of the cable to be tested, and the first indicating component is used for sending a first indicating signal when the power supply loop of the cable to be tested is switched on. In the use process, after an operator connects a cable to be tested, the operator sends a remote control signal according to the test requirement, the control unit receives the remote control signal and switches on or off a power supply loop of the cable to be tested according to the remote control signal, then the cable calibration work of the cable to be tested can be completed by one person according to the first indication signal, the operation is simple, two persons do not need to use an interphone for calling and answering for many times, and the operation flow is effectively reduced.

In one embodiment, the switch unit is configured to be connected in series between a first end of the cable to be tested and a test power supply, and the first indication component is configured to be electrically connected to a second end of the cable to be tested; the test power supply is used for supplying power to the cable to be tested and the control unit.

In one embodiment, the switch unit is a wireless control relay, and the wireless control relay comprises a relay and a wireless transceiver module; the relay comprises a coil and a change-over switch, the control unit is respectively connected with the change-over switch and the wireless transceiver module, and the coil is connected with the test power supply.

In one embodiment, the cable calibration device further comprises a remote controller, and the remote controller is used for sending the remote control signal to the control unit.

In one embodiment, the cable calibration device further comprises a first connector and a second connector;

the first connector comprises a first shell, and the first connecting piece is arranged on the first shell and is respectively used for being electrically connected with a first end wire core of the cable to be tested and the switch unit;

the second connector comprises a second shell, and the second connecting piece is arranged on the second shell and is respectively used for being electrically connected with the second end wire core of the cable to be tested and the first indicating component.

In one embodiment, the switching unit includes a plurality of switches; the number of the first connecting pieces, the number of the second connecting pieces and the number of the first indicating parts correspond to the number of the switches, and the number of the switches corresponds to the number of the wire cores of the cable to be tested.

In one embodiment, the first connector and the second connector each include a press type connection terminal.

In one embodiment, the first connector further includes a second indicating component, and the second indicating component is used for being connected in series in a power supply loop of the cable to be tested; when the power supply loop of the cable to be tested is conducted, the second indicating component is used for sending out a second indicating signal;

the first and second indicator members comprise light emitting diodes.

In one embodiment, the first connecting pieces are sequentially arranged on the first shell and correspond to the first indicating parts; the second connecting pieces are sequentially arranged on the second shell and correspond to the second indicating parts.

In one embodiment, the first connector includes a first ground jack disposed on the first housing, one end of the first ground jack is electrically connected to the switch unit, and the other end is used for plugging a ground wire;

the second connector comprises a second grounding jack, the second grounding jack is arranged on the second shell, one end of the second grounding jack is electrically connected with the first indicating component, and the other end of the second grounding jack is used for being connected with a grounding wire in an inserting mode.

In one embodiment, the cable calibration device further includes a manual switch disposed on the first housing and connected in series between the switch unit and the first ground jack.

In one embodiment, the first indicating component is configured to be connected in series between a first end of the cable to be tested and a test power supply, and the switch unit is configured to be electrically connected to a second end of the cable to be tested; the test power supply is used for supplying power to the cable to be tested and the first indicating component.

Drawings

Fig. 1 is a schematic structural diagram of a cable calibration device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the switch unit and the remote controller according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a cable calibration device according to another embodiment of the present invention;

fig. 4 is a schematic structural diagram of a cable calibration device according to another embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by the following embodiments, which are taken in conjunction with the accompanying drawings.

Referring to fig. 1, the present invention provides a cable calibration device 100, which includes a first connector 10 and a second connector 20.

The first connector 10 includes a switching unit 11 and a control unit 12. The switch unit 11 is used to electrically connect with one end of the cable 200 to be tested. The control unit 12 is configured to receive the remote control signal, and control the switch unit 11 to be turned on or off according to the remote control signal, so as to turn on or off the power supply loop of the cable 200 to be tested. The second connector 20 comprises a first indicator member 21. The first indicating member 21 is used to electrically connect with the other end of the cable 200 to be tested. When the power supply circuit of the cable 200 to be tested is conducted, the first indicating component 21 is used for sending out a first indicating signal.

The number of the cores of the cable 200 to be tested may be multiple, for example, 8 cores, 16 cores, and the like. The two ends of the core of each cable 200 to be tested are respectively connected to the first connector 10 and the second connector 20. In addition, the first connector 10 and the second connector 20 are also used for grounding. The switching unit 11 is provided on the first connector 10 and electrically connected to one end of the cable 200 to be tested. The switch unit 11 is used for switching on or off a power supply loop where the cable 200 to be tested is located. The first indicating member 21 is provided on the second connector 20 and electrically connected to the other end of the cable to be tested 200. When the power supply circuit of the cable 200 to be tested is conducted, the first indicating component 21 is used for sending out a first indicating signal. In one embodiment, the first indicator member 21 comprises a light emitting diode and the first indicator signal is an optical signal. In another embodiment, the first indication part 21 can also be a buzzer, and the first indication signal is an acoustic signal. Of course, the first indicating member 21 may be other, and is not limited in particular.

When in use, two ends of the cable 200 to be tested are respectively connected into the first connector 10 and the second connector 20. The operator inputs the remote control signals in sequence according to the test requirements, and the control unit 12 controls the switch unit 11 to be switched on or switched off according to the remote control signals. When the switch unit 11 is turned on, the first indicating component 21 sends out a first indicating signal, which indicates that the line calibration loop is normal at the moment and no virtual connection exists; when the switch unit 11 is not conducting, the first indicating component 21 does not send out an indicating signal, which indicates that the line calibration loop is abnormal and an open circuit exists at the moment. Thus, the operator can complete the cable calibration of the cable 200 to be tested.

To sum up, in the cable calibration device 100 of the embodiment of the present invention, one end of the cable 200 to be tested is electrically connected to the switch unit 11 of the first connector 10, and the other end is electrically connected to the first indication component 21 of the second connector 20, and the switch unit 11 is used for switching on or off the power supply loop of the cable 200 to be tested, and the first indication component is used for sending the first indication signal when the power supply loop of the cable 200 to be tested is switched on. In the use process, after an operator receives the cable 200 to be tested, the operator sends a remote control signal according to the test requirement, the control unit 12 receives the remote control signal and switches on or off a power supply loop of the cable 200 to be tested according to the remote control signal, then the line calibration work of the cable 200 to be tested can be completed by one person according to the first indication signal, the operation is simple, two persons do not need to use interphone calling responses for many times, and the operation flow is effectively reduced.

Referring to fig. 1, in one embodiment, the switch unit 11 is configured to be connected in series between a first end 201 of a cable 200 to be tested and a test power supply 30, and the first indicating component 21 is configured to be electrically connected to a second end 202 of the cable 200 to be tested. The test power supply 30 is used to power the cable under test 200 and the control unit 12.

The test power supply 30 is used for supplying power to the cable 200 to be tested, so that the two ends of the cable 200 to be tested can form a complete power supply loop after being connected to the first connector 10 and the second connector 20.

In one embodiment, the test power supply 30 is disposed on the first connector 10, so that the operator can carry the cable calibration device 100 for outdoor work. In this case, the first connector 10 is a transmitter and the second connector 20 is a receiver.

In one embodiment, the test power supply 30 is one or more of a lithium battery and a solar battery.

The test power supply 30 may be a lithium battery, a solar battery, or a combination of a lithium battery and a solar battery. The test power supply 30 is a lithium battery, and can provide stable direct current for the relay 111, the wireless transceiver module 112 and the control unit 12. The test power supply 30 is a solar battery, which is convenient for the cable calibration device 100 to be charged outdoors and improves the endurance thereof.

In one embodiment, the cable calibration device 100 further includes a digital display voltmeter, which is disposed on the first connector 10 and is used for detecting and displaying the voltage of the test power supply 30. Thus, the operator can observe the remaining power of the test power supply 30.

In another embodiment, the test power supply 30 may also be an external power supply module, and the cable 200 to be tested may be flexibly connected to the power supply loop according to the test requirement.

Referring to fig. 2, in one embodiment, the switch unit 11 is a wireless control relay, and the wireless control relay includes a relay 111 and a wireless transceiver module 112. The relay 111 includes a coil and a switch (not shown), the control unit 12 is connected to the switch and the wireless transceiver module 112, and the coil is connected to the testing power supply 30.

The wireless transceiver module 112 is used for transmitting the received remote control signal to the control unit 12. The wireless transceiver module 112 transmits and receives signals wirelessly, such as bluetooth, Wi-Fi, GPRS, cellular network, etc. The control unit 12 controls the switch of the relay 111 to be opened or closed according to the remote control signal received by the wireless transceiver module 112. If the operator wants to turn on the power supply circuit of the cable 200 to be tested, the operator inputs a remote control close signal, the control unit 12 controls the switch of the relay 111 to close according to the remote control close signal, and the first indicating component 21 sends out a first indicating signal. If the operator wants to disconnect the power supply circuit of the cable 200 to be tested to test the power supply circuit of the cable 200 to be tested, the operator inputs the remote disconnection signal, the control unit 12 controls the switch of the relay 111 to be disconnected according to the remote disconnection signal, and the first indicating component 21 does not send out the first indicating signal.

Referring to fig. 1, in one embodiment, the test power supply 30 is also used to supply power to the wireless control relay. In one embodiment, the output voltage of the lithium battery is 12V. In this way, the relay 111 and the wireless transceiver module 112 can be ensured to satisfy the operating voltage.

In one embodiment, the cable calibration device 100 further includes a remote controller 40, and the remote controller 40 is configured to transmit a remote control signal to the control unit 12.

The remote controller 40 is used for the remote control unit 12 to control the switch unit 11 to work. In use, the remote controller 40 is held by an operator holding the second connector 20, the operator inputs a remote control signal, such as a remote control close signal or a remote control open signal, on the remote controller 40 according to a test requirement to generate a remote control signal, and the control unit 12 on the first connector 10 controls the switch unit 11 to be turned on or off according to the remote control close signal or the remote control open signal. When the power supply circuit of the cable 200 to be tested is disconnected, the first indicating component 21 located on the second connector 20 does not send out the first indicating signal. Thus, the operator holding the second connector 20 can complete the cable calibration of the cable 200 to be tested, and the operation process is simple and is not prone to error. The process of intercom response is also reduced for the operator holding the second connector 20 and the operator holding the first connector 10.

In one embodiment, the remote controller 40 includes an input module 41, and the input module 41 is used for generating a remote control signal after receiving the input of the user. The input module 41 includes a key, a touch screen, and the like.

Of course, in other embodiments, the input of the user may also be received directly through an electronic device, such as a mobile phone, a tablet, a notebook computer, and the like.

Referring to fig. 1, in one embodiment, the cable calibration device 100 further includes a first connector 60 and a second connector 70. The first connector 10 includes a first housing 13, and the first connectors 60 are disposed on the first housing 13 and are respectively used for electrically connecting with the core of the cable 200 to be tested and the switch unit 11. The second connector 20 includes a second housing 22, and the second connecting member 70 is disposed on the second housing 22 and is respectively used for electrically connecting with the core of the cable 200 to be tested and the first indicating member 21.

The first connector 60 and the second connector 70 are respectively used for electrically connecting the cores of the cable 200 to be tested. A through hole is formed on the first housing 13, one end of the first connecting member 60 is electrically connected to the switch unit 11, and the other end of the first connecting member penetrates out of the through hole to connect a first end 201 of a core of the cable 200 to be tested. Similarly, a through hole is formed in the second housing 22, one end of the second connecting member 70 is electrically connected to the first indicating member 21, and the other end of the second connecting member penetrates out of the through hole to connect the first end 202 of the core of the cable 200 to be tested. When the cable to be tested is used, one end of the cable to be tested 200 is connected into the first connecting piece 60, and the other end of the cable to be tested is connected into the second connecting piece 70, so that a power supply loop of each wire core of the cable to be tested 200 is formed.

In one embodiment, the first connector 60 and the second connector 70 each comprise push-on terminals.

The first connecting piece 60 and the second connecting piece 70 adopt press type wiring terminals, so that an operator can quickly connect the wire core of the cable 200 to be tested into the circuits of the first connector 10 and the second connector 20, and the wire core can be used in a plug-and-play manner.

In one embodiment, the first housing 13 and the second housing 22 are made of a waterproof material, such as waterproof plastic. For example, the waterproof plastic is at least one of polyethylene terephthalate (PET), polymethyl methacrylate (PMMA), Polycarbonate (PC), and Polyimide (PI). In this way, the first housing 13 and the second housing 22 can provide protection for electrical devices disposed inside against water, dust, and the like, thereby extending the life of the cable calibration device 100.

Referring to fig. 1 and 2, in one embodiment, the switch unit 11 includes a plurality of switches. The number of the first links 60, the number of the second links 70, and the number of the first indicating members 21 all correspond to the number of switches. The number of switches corresponds to the number of cores of the cable 200 to be tested.

In the present embodiment, a plurality means two, three, or three or more. Taking the example of 8 switches as the switch unit 11, the number of the first connecting member 60 and the second connecting member 70 is also 8. The 8 first connectors 60 and the 8 second connectors 70 can be electrically connected to the cores of at most 8 cables 200 to be tested, respectively. In addition, the quantity one-to-one of the quantity of switch and the sinle silk of the cable 200 that awaits measuring, for example, the sinle silk of the cable 200 that awaits measuring is 8, and then the quantity of switch is 8, and for example again, the sinle silk of the cable 200 that awaits measuring is 16, then the quantity of switch is 16, so, the utility model discloses a cable school line device 100 can regard as the special school line device of multicore cable 200 that awaits measuring to fast to multicore cable 200 that awaits measuring carries out school line.

As shown in FIG. 1, the cable calibration device 100 accesses the cores of 8 cables 200 to be tested, the first connector 60 and the second connector 70 are numbered from ① to ⑧, when in use, firstly, an operator A holding the first connector 10 and an operator B holding the second connector 20 call and answer once to randomly access the cores of the 8 cables 200 to be tested to the first connector 60 and the second connector 70 in sequence, then, the operator A starts the first connector 10, then, the operator B inputs a remote control closing signal, the control unit 12 controls corresponding switches to be switched on according to the remote control closing signal, if the operator B observes a first indication signal sent by a first indication part 21 on the second connector 20 to indicate that a cable calibration loop is normal at the moment, no virtual connection exists, then, the operator B inputs a remote control opening signal according to a test rule, the control unit 12 controls corresponding switches to be switched off according to the remote control signal, if the operator B observes a first indication signal on the second connector 20 to disappear, the first indication signal can identify that the cores of the first connector 60 and the first connector 70 can be connected with the cable calibration device to finish the repeated answering of the single operator B.

In addition, since the number of the first indicating components 21 is the same as the number of the switches, when one of the switches is turned on, the corresponding first indicating component 21 sends out a first indicating signal, so that the operator B can quickly know the on-off conditions of the power supply loops of all the cables 200 to be tested.

Taking the first indicating component 21 as an led, when the control unit 12 controls the corresponding switch to be turned on according to the remote-control on signal, the worker B may observe that the leds ① to ⑧ are normally on, when the control unit 12 controls the corresponding switch to be turned off according to the remote-control off signal, the worker B may observe that the leds ⑧ 1 to ⑧ are correspondingly turned off, and according to the turn-off sequence, it may be determined which core of the cable 200 to be tested is currently connected between the first connecting component 60 and the second connecting component 70.

It can be seen that when adopting traditional school line mode, when the sinle silk of the cable 200 that awaits measuring is 8, need proofreading 27 times at most, and adopt the embodiment of the utility model provides an after cable school line device 100, then can reduce the proofreading quantity to 1 time, be less than 8 cables to the sinle silk, proofreading quantity also reduces to 1 time. For another example, if the number of cores of the cable 200 to be tested is 16, the number of times of calibration is 119 at most, and after the cable calibration device 100 according to the embodiment of the present invention is adopted, the number of times of calibration can be reduced to 4. In addition, through the inventor repeated test, 16 core cables need 10 minutes at every turn in traditional school line method, just accomplish cable both ends core number and correspond one by one, and use the utility model discloses a behind cable school line device 100, school line work only needs 2 minutes. According to 500 times of calculation related to cable line calibration of construction and fault finding operation which occur every year, the time of the fault finding or construction operation is saved by 4000 minutes, and about 10 operation days. It is thus clear that, adopt the embodiment of the utility model provides an in cable school line device 100, the operation flow that can significantly reduce effectively practices thrift the activity duration.

With continued reference to fig. 1, in one embodiment, the first connector 10 includes a first ground jack 14. The first ground jack 14 is provided on the first housing 13. One end of the first ground jack 14 is electrically connected to the switch unit 11, and the other end is used for plugging a ground wire. The second connector 20 includes a second ground jack 23. The second ground jack 23 is provided on the second housing 22. One end of the second ground jack 23 is electrically connected to the first indicator piece 21, and the other end is used for plugging a ground wire.

The first grounding jack 14 is disposed on the first housing 13, and can be used as a grounding grid jack or a common core jack. When the novel grounding wire is used, one end of the grounding wire can be inserted into the first grounding jack 14 through a 4mm banana head, and the other end of the grounding wire can be connected with a grounding net or a public core through an alligator clip.

Similarly, the second grounding jack 23 is disposed on the second housing 22, and can be used as a grounding grid jack or a common core jack. When the novel grounding wire is used, one end of the grounding wire can be inserted into the second grounding jack 23 through a 4mm banana head, and the other end of the grounding wire can be connected with a grounding net or a public core through an alligator clip.

Thus, the two ends of the cable 200 to be tested are grounded.

Referring to fig. 1, in one embodiment, the cable calibration device 100 further includes a manual switch 50. The manual switch 50 is provided on the first housing 13 and is connected in series between the switch unit 11 and the first ground jack 14.

The operator holding the first connector 10 closes the manual switch 50 to turn on the power supply circuit in the first connector 10, so that the cable calibration device 100 enters the test state. When the operator holding the first connector 10 closes the manual switch 50, the power supply circuit in the first connector 10 may be opened, so that the cable calibration device 100 exits the test state.

Referring to fig. 3, in one embodiment, the first connector 10 further includes a second indicating component 15, and the second indicating component 15 is configured to be connected in series in a power supply loop of the cable 200 to be tested. When the power supply circuit of the cable 200 to be tested is turned on, the second indicating component 15 is used for sending out a second indicating signal.

In this way, the operator a holding the first connector 10 can also know whether the current calibration circuit is normal or not through the second indication signal.

In one embodiment, the first indicator member 21 and the second indicator member 15 comprise light emitting diodes. The first indication signal and the second indication signal are optical signals.

With continued reference to fig. 3, in one embodiment, the first connectors 60 are sequentially arranged on the first housing 13 and correspond to the first indication member 21. The second connector 70 is sequentially arranged on the second housing 22 and corresponds to the second indicator 15.

The first connecting pieces 60 correspond to the first indicating parts 21 one by one, and the second connecting pieces 70 correspond to the second housing 22 one by one, so that the operator can conveniently check which line checking loop is abnormal, taking the first indicating parts 21 and the second indicating parts 15 as the light emitting diodes as an example, the operator B sends a remote control signal for disconnecting the switch of the loop of the first connecting piece 60 No. ①, so that the operator a can observe that the light emitting diode No. ① is turned off, and the operator B can observe that the light emitting diode No. ② is also turned off, so that the operator B can judge that the first connecting pieces 60 No. ① and the second connecting pieces 70 No. ② are connected with the wire core of the same cable 200 to be tested, and for example, the operator B sends a remote control signal for disconnecting the switch of the loop of the first connecting piece 60 No. ⑧, so that the light emitting diode No. ⑧ is turned off, and the operator B can observe that the light emitting diode No. ① is turned off, so that the first connecting pieces 60 No. ⑧ and the second connecting pieces 70 No. ① are connected with the wire.

In addition to the test power supply 30 being disposed on the first connector 10, in another embodiment, the test power supply 30 may be disposed on the second connector 20, in which case the second connector 20 is a transmitter and the first connector 10 is a receiver. Referring to fig. 4, the first indicating component 21 is configured to be connected in series between the first end 201 of the cable 200 to be tested and the test power supply 30, and the switch unit 21 is configured to be electrically connected to the second end 202 of the cable 200 to be tested. The test power supply 30 is used to supply power to the cable 200 to be tested and the first indicating member 21.

In use, the first end 201 of the cable 200 to be tested is electrically connected to the first indicator 21 of the second connector 20, the second end 202 is electrically connected to the switch unit 11 of the first connector 10, the first connector 10 is held by the worker a, and the second connector 20 is held by the worker B. The operator B sends a remote control signal to the control unit 12 provided in the first connector 10 according to the test requirement, and the control unit 12 controls the switching unit 11 to be turned on or off according to the remote control signal. When the switch unit 11 is turned on, the first indicating part 21 sends out a first indicating signal; when the switching unit 11 is not conductive, the first indicating member 21 does not emit an indicating signal. Thus, the operator can complete the cable calibration of the cable 200 to be tested.

In one embodiment, the test power supply 30 is a lithium battery with an output voltage of 3V.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A cable calibration device, comprising:

the first connector comprises a switch unit and a control unit, wherein the switch unit is used for being electrically connected with one end of a cable to be tested; the control unit is used for receiving a remote control signal and controlling the switch unit to be switched on or off according to the remote control signal so as to switch on or off a power supply loop of the cable to be tested; and

the second connector comprises a first indicating component, and the first indicating component is used for being electrically connected with the other end of the cable to be tested; when the power supply loop of the cable to be tested is conducted, the first indicating component is used for sending a first indicating signal.

2. The cable calibration device according to claim 1, wherein the switch unit is configured to be connected in series between a first end of the cable to be tested and a test power supply, and the first indication component is configured to be electrically connected to a second end of the cable to be tested; the test power supply is used for supplying power to the cable to be tested and the control unit.

3. The cable calibration device according to claim 2, wherein the switch unit is a wireless control relay, and the wireless control relay comprises a relay and a wireless transceiver module; the relay comprises a coil and a change-over switch, the control unit is respectively connected with the change-over switch and the wireless transceiver module, and the coil is connected with the test power supply.

4. The cable routing device of claim 3, further comprising a remote control for sending the remote control signal to the control unit.

5. The cable routing device of any one of claims 1 to 4, further comprising a first connector and a second connector;

6. The cable routing device of claim 5, wherein the switch unit comprises a plurality of switches;

the number of the first connecting pieces, the number of the second connecting pieces and the number of the first indicating parts correspond to the number of the switches, and the number of the switches corresponds to the number of the wire cores of the cable to be tested.

7. The cable routing device of claim 6, wherein the first connector and the second connector each comprise push-on terminals.

8. The cable calibration device of claim 5, wherein the first connector further comprises a second indicating component, and the second indicating component is configured to be connected in series in a power supply loop of the cable to be tested; when the power supply loop of the cable to be tested is conducted, the second indicating component is used for sending out a second indicating signal;

the first and second indicator members comprise light emitting diodes.

9. The cable routing device of claim 8,

the first connecting pieces are sequentially arranged on the first shell and correspond to the first indicating parts;

the second connecting pieces are sequentially arranged on the second shell and correspond to the second indicating parts.

10. The cable routing device of claim 5,

the first connector comprises a first grounding jack, the first grounding jack is arranged on the first shell, one end of the first grounding jack is electrically connected with the switch unit, and the other end of the first grounding jack is used for inserting a grounding wire;

11. The cable routing device of claim 10, further comprising a manual switch disposed on the first housing and connected in series between the switch unit and the first ground jack.

12. The cable calibration device according to claim 1, wherein the first indicating component is configured to be connected in series between a first end of the cable to be tested and a test power supply, and the switch unit is configured to be electrically connected to a second end of the cable to be tested; the test power supply is used for supplying power to the cable to be tested and the first indicating component.