CN210468220U

CN210468220U - Cable connector, intelligent plug, power distribution cabinet and transformer

Info

Publication number: CN210468220U
Application number: CN201921217339.1U
Authority: CN
Inventors: 孔奇
Original assignee: Guangzhou Lingke Electric Technology Co Ltd
Current assignee: Guangzhou Lingke Electric Technology Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-05-05
Anticipated expiration: 2029-07-30

Abstract

The utility model provides a cable connector, which comprises a cable connector body, an induction coil, a current measuring module, a voltage transformer and a voltage measuring module, wherein the cable connector body comprises a conductive core, and the conductive core runs through the induction coil; the two ends of the induction coil are connected with the current measuring module, and the voltage measuring module is connected with the conductive core; still provide an intelligent plug, switch board and transformer, this cable connector can the simultaneous measurement cable voltage and electric current, and it is more convenient to use.

Description

Cable connector, intelligent plug, power distribution cabinet and transformer

Technical Field

The utility model relates to a power cable field, in particular to cable connector, intelligent plug, switch board and transformer.

Background

In block terminal and transformer substation, when high tension cable inserts and connects out distribution substation or transformer substation, often use cable connector, cable junction is in cable connector's one end, and cable connector's the other end inserts on block terminal or the transformer substation to it is more convenient to make the cable connect in block terminal or transformer substation. At present, the cable connector that uses the most in the existing market is "T" shape cable connector, and current "T" shape cable connector generally includes the preceding connector of inserting of "T" shape and the back connector of inserting of "T" shape, and the custom is inserted before and after inserting, and the front and back connector is split type product, and during the use will insert the connector after and insert before inserting on the connector. The existing front plug connector can measure the voltage of a cable and can also measure the current of the cable, however, due to the limitation on the volume of the front plug connector and other technical requirements, the front plug connector which can measure the voltage and the current of the cable simultaneously does not exist in the market at present.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a cable connector, a smart plug, a distribution cabinet and a transformer capable of simultaneously measuring the voltage and the current of a cable.

The embodiment of the utility model provides a cable connector, including cable joint body, induction coil, current measurement module, voltage transformer and voltage measurement module, the cable joint body includes electrically conductive core, electrically conductive core runs through induction coil; the two ends of the induction coil are connected with the current measuring module, and the voltage measuring module is connected with the conductive core.

Preferably, a first cavity and a second cavity are arranged in the cable connector body, the first cavity and the second cavity are communicated to form a T-shaped accommodating cavity, the conductive core and the induction coil are located in the first cavity, the current measuring module is located in the first cavity or the second cavity, and the voltage transformer and the voltage measuring module are located in the second cavity.

Preferably, the cable connector further comprises a temperature measuring module, the temperature measuring module is arranged close to the conductive core, and the temperature measuring module is also connected with an external display device.

Preferably, the cable connector further comprises a wireless communication module, the voltage measurement module and the current measurement module are electrically connected with the wireless communication module, and the voltage measurement module and the current measurement module are connected with an external display device through the wireless communication device.

Preferably, this cable connector still includes gets the electric module, get the electric module with electrically conductive core is connected, it also is located to get the electric module the holding intracavity, it is used for supplying power for this cable connector's electrical apparatus.

Preferably, this cable connector still gets the electric module including getting, it includes first electric capacity to get the electric module, the one end of first electric capacity is connected electrically conductive core, and the other end ground connection.

Preferably, the voltage measuring module comprises a first resistor, a second capacitor and a voltage measuring module, the first resistor is connected in series with the second capacitor, the first resistor is connected with the conductive core, and the other end of the second capacitor is grounded; the voltage measuring module is connected with the first resistor in parallel.

Preferably, the voltage measurement module comprises a voltage measurement module, one end of the first voltage measurement module is connected with the voltage transformer, and the other end of the first voltage measurement module is grounded.

The utility model also provides an intelligent plug, including front end conductor, back plug connector head and the cable connector of any of the above-mentioned, the front end conductor is fixed cable connector is last, and with the inside electrically conductive core electric connection of cable connector body, back plug connector head with cable connector head fixed connection, and with electrically conductive core electric connection.

Preferably, the intelligent plug further comprises a sleeve and a partition board, the sleeve is fixedly connected with the partition board, and the front end conductor penetrates through the sleeve and is electrically connected with the cable connector.

The utility model also provides a power distribution cabinet, including switch board body and the intelligent plug of any above-mentioned, intelligent plug pegs graft on the switch board.

The utility model also provides a transformer, including transformer body and the intelligent plug of above-mentioned arbitrary, intelligent plug pegs graft on the transformer.

The utility model discloses a with the electric current of current measurement module access induction coil realization measuring cable to voltage measurement module realizes measuring current, realizes the purpose of the electric current and the voltage of simultaneous measurement high tension cable, because measuring current and voltage are only with an induction coil, can guarantee that this cable connector's volume can not be too big, and the measurement process is noiseless, and measuring result is more accurate.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic overall structure diagram of a cable connector according to a preferred embodiment of the present invention;

fig. 2 is a schematic overall structure diagram of the smart plug according to the preferred embodiment of the present invention;

fig. 3 is an equivalent circuit diagram of a cable connector according to a preferred embodiment of the present invention.

Detailed Description

The technical solution of the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.

As shown in fig. 1-3, an embodiment of the present invention provides a cable connector 10, which includes a cable connector body 1, an induction coil 8, a current measurement module 2, a voltage transformer 8 and a voltage measurement module 3. The cable joint body 1 comprises a conductive core 11, the conductive core 11 penetrates through the induction coil 8, and the current measuring module 2 is connected to two ends of the induction coil 8 so as to measure and calculate the current of the high-voltage cable 100; since the current measuring module 2 is almost zero resistance, the power consumption is low. The voltage measuring module 3 is connected with the conductive core 11 and is used for measuring the voltage value on the conductive core. The voltage measuring module 3 and the current measuring module 2 are connected with an external display device, so that a worker can conveniently read the voltage value and the current value of the high-voltage cable 100, and the device is safe and reliable.

Referring to fig. 1, in a preferred embodiment, a first cavity 121 and a second cavity 122 are disposed in the cable connector body 1, and the first cavity 121 and the second cavity 122 are communicated to form a "T" shaped receiving cavity 12. The conductive core 11 and the induction coil 8 are located in the first cavity 121, and the current measuring module 2 is located in the first cavity 121 or the second cavity 122. The voltage transformer 8 and the voltage measuring module 3 are located in the second cavity 122, the accommodating cavity 12 of the cable joint body 1 is reasonable in layout, the size of the cable joint body is reduced, and the cable joint is more convenient to use.

In a preferred embodiment, the cable connector further comprises a temperature measuring module 5, and the temperature measuring module 5 is located in the first cavity 121 and is disposed close to the conductive core 11. The temperature measuring module 5 is also connected with an external display device, the temperature measuring module 5 measures the temperature of the conductive core 11 in real time and displays the temperature on the external display device, and the safety performance is higher.

In a preferred embodiment, the cable connector 10 further includes a wireless communication module 4 (the wireless communication module 4 is denoted by W in the circuit), and the voltage measuring module 3, the current measuring module 2 and the temperature measuring module 5 (the temperature measuring module is denoted by BH in the circuit) are connected with an external display device through the wireless communication module 4. Voltage measurement module 3 and current measurement module 2 all with 4 electric connection of wireless communication module, voltage measurement module 3, current measurement module 2 and temperature measurement module 5 are connected with outside display device through this wireless communication equipment, go out voltage, electric current and temperature information transmission through radio signal, and are more convenient.

In a preferred embodiment, the cable connector further includes a power taking module 6, the power taking module 6 is also located in the accommodating cavity 12, and the power taking module 6 is configured to supply power to electrical devices (such as a wireless communication module and a temperature measuring module) of the cable connector 10. The electricity taking module 6 automatically takes the electric energy on the high-voltage cable 100 (namely the conductive core 11) for use, the function of a battery is replaced, the electric energy on a taking device cannot be exhausted, the battery does not need to be replaced, and the convenience is realized. In a preferred embodiment, the cable connector 10 further includes a power-taking module 6, where the power-taking module 6 includes a first capacitor C1, one end of the first capacitor C1 is connected to the conductive core 11, and the other end is grounded. The capacitor is durable, not easy to damage, and free from maintenance and repair. In a further preferred embodiment, the cable connector body 1 is further provided with a ground electrode 7, and the ground electrode 7 is connected to the first capacitor C1.

Temperature measurement module 5 is close to electrically conductive core 11 sets up, and the one end of temperature-sensing module 5 gets electric module 6 electric connection, and the other end is connected with electrically conductive core 11, and temperature measurement module 5 also with wireless communication module 4 electric connection.

The one end of wireless communication module 4 is got electric module 6 electric connection, and the other end is connected with conductive core 11, and temperature measurement module 5 also is connected with wireless communication module 4 electric connection.

Referring to fig. 3, in a preferred embodiment, the voltage measuring module 3 comprises a first resistor, a second capacitor C2 and a voltage measuring module PV, the first resistor R1 is connected in series with the second capacitor C2, and the first resistor R1 is connected to the conductive core 11, and the other end of the second capacitor C2 is grounded; the voltage measuring module PV is connected in parallel with the first resistor R1 to calculate the impedance of the second capacitor C2, and the voltage of the conductive core is calculated from the impedance value, the resistance value of the first resistor R1 and the measured voltage value. In a further preferred embodiment, the cable connector body 1 is further provided with a ground electrode 7, and the ground electrode 7 is connected to the second capacitor C2.

Referring to fig. 2, the present invention further provides an intelligent plug, which includes a front conductor 30, a rear plug connector 20 and any one of the cable connectors 10, wherein the front conductor 30 is fixed on the cable connector 10 and electrically connected to the conductive core 11 inside the cable connector body 1. The rear plug connector 20 is fixedly connected to the cable connector 10 and electrically connected to the conductive core 11. Preferably, a cavity is also provided in the rear plug connector 20, into which cavity the end of the high voltage cable 100 is inserted in use and forms an electrical connection with the rear plug connector 20, the front plug connector and the front conductor 30.

In a preferred embodiment, the smart plug further comprises a sleeve 40 and a partition 50, the sleeve 40 is fixedly connected to the partition 50, and the front conductor 30 penetrates through the sleeve 40 and is electrically connected to the cable connector 10. During the use, baffle 50 is fixed on the shell of switch board or transformer, plays the effect of fixed this intelligent plug, and inside front end conductor 30 inserted switch board or transformer, the realization electricity was connected.

In the preferred embodiment, a rear end cap 60 is also fixedly attached to the rear plug-in connector 20 for sealing the rear plug-in connector 20.

The utility model also provides a power distribution cabinet, including the intelligent plug of switch board body and above-mentioned arbitrary, intelligent plug's front end conductor 30 is pegged graft on the switch board, and the cable is connected with intelligent plug, and intelligent plug is connected with switch board body electricity. This intelligent plug can automatic measure the voltage, electric current or the temperature of cable, can also transmit measuring result to outside display, and it is more convenient, more intelligent to use.

The utility model also provides a transformer, including transformer body and the intelligent plug of above-mentioned arbitrary, intelligent plug's front end conductor 30 is pegged graft on the transformer. The cable is connected with the intelligent plug, and the intelligent plug is electrically connected with the transformer body. This intelligent plug can automatic measure the voltage, electric current or the temperature of cable, can also transmit measuring result to outside display, and it is more convenient, more intelligent to use.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A cable connector is characterized by comprising a cable connector body, an induction coil, a current measuring module, a voltage transformer and a voltage measuring module, wherein the cable connector body comprises a conductive core which penetrates through the induction coil; the two ends of the induction coil are connected with the current measuring module, and the voltage measuring module is connected with the conductive core.

2. The cable connector according to claim 1, wherein a first cavity and a second cavity are disposed in the cable connector body, the first cavity and the second cavity are connected to form a T-shaped receiving cavity, the conductive core and the induction coil are disposed in the first cavity, the current measuring module is disposed in the first cavity or the second cavity, and the voltage transformer and the voltage measuring module are disposed in the second cavity.

3. The cable connector of claim 2, further comprising a temperature measuring module, said temperature measuring module being disposed proximate to said conductive core.

4. The cable connector of claim 2, further comprising a wireless communication module, wherein the voltage measuring module and the current measuring module are electrically connected to the wireless communication module, and the voltage measuring module and the current measuring module wirelessly communicate with the outside through the wireless communication device.

5. The cable connector according to claim 3 or 4, further comprising a power taking module, wherein the power taking module is connected to the conductive core, the power taking module is also located in the accommodating cavity, and the power taking module is used for supplying power to an electrical appliance of the cable connector.

6. The cable connector according to claim 1, further comprising a power-taking module, wherein the power-taking module comprises a first capacitor, one end of the first capacitor is connected to the conductive core, and the other end of the first capacitor is grounded.

7. The cable connector according to claim 6, wherein the voltage measuring module comprises a first resistor, a second capacitor and a voltage measuring module, the first resistor is connected in series with the second capacitor, the first resistor is connected with the conductive core, and the other end of the second capacitor is grounded; the voltage measuring module is connected with the first resistor in parallel.

8. An intelligent plug, comprising a front conductor, a rear plug connector and the cable connector of any one of claims 1 to 7, wherein the front conductor is fixed on the cable connector and electrically connected to the conductive core inside the cable connector body, and the rear plug connector is fixedly connected to the cable connector and electrically connected to the conductive core.

9. The smart plug of claim 8 further comprising a sleeve and a spacer, wherein the sleeve is fixedly connected to the spacer, and the front conductor extends through the sleeve and is electrically connected to the cable connector.

10. A power distribution cabinet, comprising a power distribution cabinet body and the intelligent plug of claim 8 or 9, wherein the intelligent plug is plugged on the power distribution cabinet.

11. A transformer, comprising a transformer body and the smart plug of claim 8 or 9, wherein the smart plug is plugged into the transformer.