CN212648534U - Cable connector - Google Patents

Cable connector Download PDF

Info

Publication number
CN212648534U
CN212648534U CN202021445929.2U CN202021445929U CN212648534U CN 212648534 U CN212648534 U CN 212648534U CN 202021445929 U CN202021445929 U CN 202021445929U CN 212648534 U CN212648534 U CN 212648534U
Authority
CN
China
Prior art keywords
cable
reactor
connecting mechanism
shielding shell
inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202021445929.2U
Other languages
Chinese (zh)
Inventor
温术来
于树永
赵寰宇
范佳斌
卢江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Railway Signal Co Ltd
Original Assignee
CRSC Beijing Rail Industry Co Ltd
Rail Transit Technology Research Institute of CRSC Beijing Railway Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CRSC Beijing Rail Industry Co Ltd, Rail Transit Technology Research Institute of CRSC Beijing Railway Industry Co Ltd filed Critical CRSC Beijing Rail Industry Co Ltd
Priority to CN202120369044.7U priority Critical patent/CN214478269U/en
Priority to CN202021445929.2U priority patent/CN212648534U/en
Application granted granted Critical
Publication of CN212648534U publication Critical patent/CN212648534U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The application provides a cable junction spare, wherein, cable junction spare includes: the reactor comprises a first reactor, a first shielding shell and a first connecting table, wherein a first connecting mechanism is arranged on the first connecting table, and a first inlet and a second inlet are respectively arranged on the left side and the right side of the first shielding shell; the first connecting table is arranged in the first shielding shell and is insulated from the first shielding shell; the first end of the first cable extends into the first connecting mechanism from the first inlet, the first reactor is arranged in the first shielding shell, and the first end of the first reactor is electrically connected with the first end of the first cable through the first connecting mechanism and is connected together in a cold pressing mode; the first end of the second cable extends into the first connecting mechanism from the second inlet, and the second end of the first reactor is electrically connected with the first end of the second cable through the first connecting mechanism and is connected together in a cold pressing mode, so that the first cable, the first reactor and the second cable form a series connection relation.

Description

Cable connector
Technical Field
The application relates to the field of electric power, in particular to a cable connecting piece and cable connecting equipment.
Background
The cable is an important transmission channel in the track circuit, and since the carrier frequency (1700Hz, 2000Hz, 2300Hz, 2600Hz) used for transmitting signals in the track circuit is a high frequency band, it generates capacitive impedance in the cable transmission, and the length of the cable used in the track circuit is usually 7.5km or 10km at present, the capacitive impedance generated by the cable of such length increases the reactive loss in the track circuit, and further increases the transmission power of the whole track circuit, therefore, the capacitive impedance generated by the cable is generally cancelled by connecting a reactor in series in the cable. However, at present, the reactor is generally directly connected in series with the cable, so that the reactor is easily affected by a high-frequency signal in the cable and the surrounding environment, the performance of the reactor is unstable, and the reliability and safety of a cable transmission channel connected into the reactor are reduced.
Disclosure of Invention
In view of this, the present application provides a cable connector and a cable connection device, which can connect a reactor in series with a cable and protect the reactor from high-frequency signals in the cable and the surrounding environment, so that a cable transmission channel connected to the reactor has high reliability and safety.
In order to achieve the purpose, the application provides the following technical scheme:
in a first aspect, a cable connector includes: the reactor comprises a first reactor, a first shielding shell and a first connecting table, wherein a first connecting mechanism is arranged on the first connecting table, and a first inlet and a second inlet are respectively arranged on the left side and the right side of the first shielding shell;
the first connecting table is arranged inside the first shielding shell and is insulated from the first shielding shell;
the first end of a first cable extends into the first connecting mechanism from the first inlet, the first reactor is arranged in the first shielding shell, and the first end of the first reactor is electrically connected with the first end of the first cable through the first connecting mechanism and is connected together in a cold pressing mode;
and the first end of the second cable extends into the first connecting mechanism from the second inlet, and the second end of the first reactor is electrically connected with the first end of the second cable through the first connecting mechanism and is connected together in a cold pressing mode, so that the first cable, the first reactor and the second cable form a serial connection relation.
With reference to the first aspect, in certain alternative embodiments, the cable connector further includes: a current meter for detecting the current in the first reactor and a voltage meter for detecting the voltage across the first reactor.
With reference to the first aspect, in certain alternative embodiments, the cable connector further includes: and the electric signal monitoring equipment is in communication connection with the ammeter and the voltmeter.
With reference to the first aspect, in certain alternative embodiments, the cable connector further includes: the second reactor, the second shielding shell and the second connecting platform are provided with a second connecting mechanism, and the left side and the right side of the second shielding shell are respectively provided with a third inlet and a fourth inlet;
the second connecting platform is arranged inside the second shielding shell and is insulated from the second shielding shell;
the first end of a third cable extends into the second connecting mechanism from the third inlet, the second reactor is arranged in the second shielding shell, and the first end of the second reactor is electrically connected with the first end of the third cable through the second connecting mechanism and is connected together in a cold pressing mode;
the first end of a fourth cable extends into the second connecting mechanism from the fourth inlet, and the second end of the second reactor is electrically connected with the first end of the fourth cable through the second connecting mechanism and is connected together in a cold pressing mode, so that the third cable, the second reactor and the fourth cable form a series connection relation.
In combination with the above embodiment, in some alternative embodiments, the first shielding shell and the second shielding shell are a single-piece shell having a first cavity and a second cavity separated from each other, the first shielding shell surrounding the first cavity, and the second shielding shell surrounding the second cavity.
In some alternative embodiments, in combination with the previous embodiment, the first and second shield shells each include at least a first layer of insulating material, a metal layer, and a second layer of insulating material, the metal layer being located between the first layer of insulating material and the second layer of insulating material.
With reference to the first aspect, in certain alternative embodiments, the first connecting mechanism includes: the first end of the first cable, the first end of the second cable, the first end of the first reactor and the second end of the first reactor are all provided with annular cold pressing terminals;
the first end of the first reactor is electrically connected with the first end of the first cable through the first connecting mechanism and is connected with the first end of the first cable in a cold pressing mode, and the first end of the first reactor is specifically set as follows:
the first screw penetrates through the annular cold-pressed terminal at the first end of the first cable and the annular cold-pressed terminal at the first end of the first reactor and is screwed into the first threaded hole, so that the first end of the first reactor and the first end of the first cable are electrically connected and connected together in a cold-pressed mode;
the second end of the first reactor is electrically connected with the first end of the second cable through the first connecting mechanism and is connected with the first end of the second cable in a cold pressing mode, and the first end of the first reactor and the second end of the second cable are specifically set as follows:
and the second screw penetrates through the annular cold-pressed terminal at the first end of the second cable and the annular cold-pressed terminal at the second end of the first reactor and is screwed into the second threaded hole, so that the second end of the first reactor and the first end of the second cable are electrically connected and connected together in a cold-pressed mode.
In a second aspect, a cable connection device includes: the reactor comprises a third shielding shell, a third reactor, a fourth reactor, a first circuit connecting piece, a second circuit connecting piece, a third circuit connecting piece and a fourth circuit connecting piece;
the third shield shell includes: the first cavity and the second cavity are separated;
the third reactor is arranged in the first cavity, the fourth reactor is arranged in the second cavity, and the third shielding shell is used for electromagnetically isolating the third reactor from the fourth reactor;
a first end of the first circuit connecting piece is electrically connected with one end of the third reactor, and a second end of the first circuit connecting piece extends out of the third shielding shell to form a cable connecting end which can be electrically connected with one end of a fifth cable;
a first end of the second circuit connecting piece is electrically connected with the other end of the third reactor, and a second end of the second circuit connecting piece extends out of the third shielding shell to form a cable connecting end which can be electrically connected with one end of a sixth cable;
a first end of the third circuit connecting piece is electrically connected with one end of the fourth reactor, and a second end of the third circuit connecting piece extends out of the third shielding shell to form a cable connecting end which can be electrically connected with one end of a seventh cable;
a first end of the fourth circuit connecting member is electrically connected to the other end of the fourth reactor, and a second end of the fourth circuit connecting member extends out of the third shield case to form a cable connecting end electrically connectable to one end of an eighth cable.
In combination with the second aspect, in certain alternative embodiments, the third shield can includes at least a first layer of insulating material, a metal layer, and a second layer of insulating material, the metal layer being positioned between the first layer of insulating material and the second layer of insulating material.
Can see through above scheme, the cable junction spare and the cable junction equipment that this application provided, wherein, the cable junction spare includes: the reactor comprises a first reactor, a first shielding shell and a first connecting table, wherein a first connecting mechanism is arranged on the first connecting table, and a first inlet and a second inlet are respectively arranged on the left side and the right side of the first shielding shell; the first connecting table is arranged inside the first shielding shell and is insulated from the first shielding shell; the first end of a first cable extends into the first connecting mechanism from the first inlet, the first reactor is arranged in the first shielding shell, and the first end of the first reactor is electrically connected with the first end of the first cable through the first connecting mechanism and is connected together in a cold pressing mode; and the first end of the second cable extends into the first connecting mechanism from the second inlet, and the second end of the first reactor is electrically connected with the first end of the second cable through the first connecting mechanism and is connected together in a cold pressing mode, so that the first cable, the first reactor and the second cable form a serial connection relation. Therefore, the first connecting mechanism can fixedly connect the cable and the reactor together to form a series connection. First shielding shell can keep apart first reactor and external environment for first reactor does not receive external environment's influence, and simultaneously, the junction setting of cable and first reactor is on first joint table, first joint table keeps apart the insulation with first shielding shell each other again, makes first reactor not only keep apart with external environment insulation, still keeps apart with the space of first shielding shell inside each other insulation, further protects first reactor not receive the influence of high frequency signal in the cable and surrounding environment, makes the cable transmission channel who inserts the reactor have higher reliability and security.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural diagram illustrating a cable connector according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of another cable connector provided by an embodiment of the present application;
FIG. 3 is a schematic structural diagram of another cable connector provided by an embodiment of the present application;
fig. 4 shows a schematic structural diagram of a cable connection device provided in an embodiment of the present application.
A first reactor 101, a first shielding case 102, a first connection platform 103, a first connection structure 104, a first inlet 105, a second inlet 106, a first cable 107, a second cable 108, an ammeter 109, a voltmeter 110, a third cable 111, a fourth cable 112, a third inlet 113, a fourth inlet 114, a second connection platform 115, a second connection structure 116, a second shielding case 117, and a second reactor 118; a first circuit connecting member 201, a second circuit connecting member 202, a third circuit connecting member 203, a fourth circuit connecting member 204, a third reactor 205, a fourth reactor 206, a cable connecting end 207, a third shield case 208, a first cavity 209, a second cavity 210, and a cavity partition 211.
Detailed Description
The application discloses a cable connecting piece and a cable connecting device, and a person skilled in the art can use the content for reference and appropriately improve the technological parameter implementation. It is expressly intended that all such similar substitutes and modifications apparent to those skilled in the art are deemed to be included in the present application. While the structure and applications of this application have been described in terms of preferred embodiments, it will be apparent to those skilled in the art that the technology can be practiced and applied with modification, or with appropriate modification and combination, of the structures and applications described herein without departing from the spirit and scope of the application.
As shown in fig. 1, the present application provides a cable connector comprising: the reactor comprises a first reactor, a first shielding shell and a first connecting table, wherein a first connecting mechanism is arranged on the first connecting table, and a first inlet and a second inlet are respectively arranged on the left side and the right side of the first shielding shell;
the first connecting table is arranged inside the first shielding shell and is insulated from the first shielding shell;
the first end of a first cable extends into the first connecting mechanism from the first inlet, the first reactor is arranged in the first shielding shell, and the first end of the first reactor is electrically connected with the first end of the first cable through the first connecting mechanism and is connected together in a cold pressing mode;
and the first end of the second cable extends into the first connecting mechanism from the second inlet, and the second end of the first reactor is electrically connected with the first end of the second cable through the first connecting mechanism and is connected together in a cold pressing mode, so that the first cable, the first reactor and the second cable form a serial connection relation.
It should be understood that the reactor referred to herein may be an inductor, which is not limited in this application.
It should be understood that the shape and size of the first shielding shell may be designed according to actual situations, for example, the first shielding shell may be designed as a rectangular first shielding shell according to the size of the reactor actually used and the size of the field environment, which is not limited in this application.
Optionally, the material of the first shielding shell is not limited in this application, and may be any material having shielding properties. Such as a material that can act as a shield and is strong, durable, high temperature resistant, and corrosion resistant.
It should be understood that the size, shape and structure of the first connection stage may be designed in combination with the size and shape of the first shield case and the size of the first reactor, which is not limited in this application.
Optionally, the first connecting mechanism arranged on the first connecting table may be a spring cold-pressing connecting mechanism. In this way, the two ends of the first reactor, the first end of the first cable and the first end of the second cable can be provided with corresponding connecting terminals, the spring in the spring cold pressing connecting mechanism is compressed to generate elastic potential energy, the connecting terminals of the first reactor and the connecting terminals of the first cable are in close contact and fixed together, and the connecting terminals of the first reactor and the connecting terminals of the second cable are in close contact and fixed together.
Optionally, the material of the first connection station may be an insulating material, so that the first connection station and the first shielding shell are insulated from each other, or the first connection station and the first shielding shell are insulated from each other by disposing the insulating material between the first connection station and the first shielding shell, which is not limited in this application.
Optionally, the present application does not limit the shape, size and position of the first inlet and the second inlet, and any first inlet and second inlet that allow the first cable and the second cable to penetrate into the first shielding shell are within the protection scope of the present application.
It should be understood that the cable connector provided by the present invention may be used to connect a certain number of inductors in the track circuit cable in series, and the inductive effect of the inductors can counteract the capacitive impedance generated by the high-frequency signal during the cable transmission process, so as to optimize the track circuit transmission signal channel. Regarding the number and inductance of the series inductors, taking 10km of cables which are commonly used in the track circuit as an example, on the basis of constructing a track circuit transmission model, the inductance and the inductance number are optimized by utilizing a track circuit transmission calculation method. The specific method comprises the following steps:
(1) when the length of the track circuit cable is known to be D, the number of the compensating units is set to be N, and then the compensating units are arranged between the compensating unitsA distance of
Figure DEST_PATH_533400DEST_PATH_IMAGE001
(2) Each compensation unit mainly comprises three parts: and respectively solving T parameters of each part of the compensation inductor and cables on two sides of the compensation inductor, and multiplying the T parameters to obtain a T parameter Tcell of the whole compensation unit:
given that the resistance per kilometer of the cable is R, the inductance is L, the leakage capacitance is C, and the leakage conductance is G, the characteristic impedance of the cable can be obtained
Figure DEST_PATH_389360DEST_PATH_IMAGE002
And propagation constant r:
Figure DEST_PATH_962424DEST_PATH_IMAGE003
wherein
Figure DEST_PATH_587440DEST_PATH_IMAGE004
In units of imaginary numbers, angular frequency
Figure DEST_PATH_853337DEST_PATH_IMAGE005
Figure DEST_PATH_931014DEST_PATH_IMAGE006
Is the carrier frequency.
Figure DEST_PATH_838927DEST_PATH_IMAGE007
Then
Figure DEST_PATH_584029DEST_PATH_IMAGE008
Wherein
Figure DEST_PATH_20827DEST_PATH_IMAGE009
In order to compensate the inductance impedance, sinh is a hyperbolic sine function, and cosh is a hyperbolic cosine function.
The T parameter of the entire cable
Figure DEST_PATH_90195DEST_PATH_IMAGE010
Comprises the following steps:
Figure DEST_PATH_270641DEST_PATH_IMAGE011
(3) known cable output terminal voltage
Figure DEST_PATH_870249DEST_PATH_IMAGE012
And current of
Figure DEST_PATH_743527DEST_PATH_IMAGE013
Obtaining the input end voltage of the track circuit cable
Figure DEST_PATH_61376DEST_PATH_IMAGE014
Current of
Figure DEST_PATH_779933DEST_PATH_IMAGE015
And impedance
Figure DEST_PATH_499628DEST_PATH_IMAGE016
Figure DEST_PATH_543807DEST_PATH_IMAGE017
Figure DEST_PATH_83373DEST_PATH_IMAGE018
(4) In the calculation process, the compensation inductance value range is 1.1-10mH, 0.1mH is taken as stepping, the compensation inductance quantity range is 1-100, 1 is taken as stepping, the track circuit cable input side electrical parameters are sequentially calculated, the track circuit transmitting end electrical parameters are further calculated, and finally the compensation inductance value and the inductance quantity are optimized through the track circuit transmitting end electrical parameter values. Preferred conditions are: the phase angle of the impedance of the transmitting end of the track circuit is less than 0.5 degree, and the voltage is less than 183V.
As shown in fig. 2, in some alternative embodiments, the cable connector further comprises: a current meter for detecting the current in the first reactor and a voltage meter for detecting the voltage across the first reactor.
Optionally, in some optional embodiments, the cable connector further comprises: and the electric signal monitoring equipment is in communication connection with the ammeter and the voltmeter.
It should be understood that the ammeter and the voltmeter can be respectively connected with an external processing system, so that inductance faults can be monitored at any time, voltage and current between the inductors are fully processed, and the change of parameters of cables between the inductors is monitored at any time through the relative change between the voltage and the current values, so that a whole set of cable work monitoring system is formed. For example, cable aging can cause changes between cable capacitances and consequently electrical parameters in the cable, and the changes can be monitored at the inductor through an ammeter and a voltmeter, and the aging position of the cable can be positioned, so that later maintenance is facilitated.
As shown in fig. 3, in some alternative embodiments, the cable connector further comprises: the second reactor, the second shielding shell and the second connecting platform are provided with a second connecting mechanism, and the left side and the right side of the second shielding shell are respectively provided with a third inlet and a fourth inlet;
the second connecting platform is arranged inside the second shielding shell and is insulated from the second shielding shell;
the first end of a third cable extends into the second connecting mechanism from the third inlet, the second reactor is arranged in the second shielding shell, and the first end of the second reactor is electrically connected with the first end of the third cable through the second connecting mechanism and is connected together in a cold pressing mode;
the first end of a fourth cable extends into the second connecting mechanism from the fourth inlet, and the second end of the second reactor is electrically connected with the first end of the fourth cable through the second connecting mechanism and is connected together in a cold pressing mode, so that the third cable, the second reactor and the fourth cable form a series connection relation.
It should be understood that the track circuit cable transmission line is a two-way cable transmission line, an inductor with a required inductance value H may be connected to one cable transmission line alone, or inductors with an inductance value H may be separately installed on two cable transmission lines, and it is possible to ensure stable and reliable transmission by selecting to install the inductors on two lines separately. For example, the first cable and the second cable referred to herein may be understood as one cable transmission line, and the third cable and the fourth cable may be understood as another cable transmission line.
Optionally, in some optional embodiments, the first shielding housing and the second shielding housing are a single-piece housing, the single-piece housing has a first cavity and a second cavity separated from each other, the housing surrounding the first cavity is the first shielding housing, and the housing surrounding the second cavity is the second shielding housing.
Optionally, the first shielding shell and the second shielding shell may also be split shells, which is not limited in this application.
In some alternative embodiments, in combination with the previous embodiment, the first and second shield shells each include at least a first layer of insulating material, a metal layer, and a second layer of insulating material, the metal layer being located between the first layer of insulating material and the second layer of insulating material.
Optionally, the metal layer may be a stainless steel layer, so as to effectively prevent electromagnetic interference between the inductors and between the outside and the inductors. The stainless steel layer can be grounded, and the design of the sealed cavity can play a role in dust prevention and moisture prevention so as to protect the built-in inductor.
Optionally, in some optional embodiments, the first connection mechanism includes: the first end of the first cable, the first end of the second cable, the first end of the first reactor and the second end of the first reactor are all provided with annular cold pressing terminals;
the first end of the first reactor is electrically connected with the first end of the first cable through the first connecting mechanism and is connected with the first end of the first cable in a cold pressing mode, and the first end of the first reactor is specifically set as follows:
the first screw penetrates through the annular cold-pressed terminal at the first end of the first cable and the annular cold-pressed terminal at the first end of the first reactor and is screwed into the first threaded hole, so that the first end of the first reactor and the first end of the first cable are electrically connected and connected together in a cold-pressed mode;
the second end of the first reactor is electrically connected with the first end of the second cable through the first connecting mechanism and is connected with the first end of the second cable in a cold pressing mode, and the first end of the first reactor and the second end of the second cable are specifically set as follows:
and the second screw penetrates through the annular cold-pressed terminal at the first end of the second cable and the annular cold-pressed terminal at the second end of the first reactor and is screwed into the second threaded hole, so that the second end of the first reactor and the first end of the second cable are electrically connected and connected together in a cold-pressed mode.
It should be understood that the material of the ring-shaped cold-pressed terminal referred to herein may be an electrically conductive material, and the ring-shaped cold-pressed terminal of the reactor and the ring-shaped cold-pressed terminal of the cable are fixed together by contacting with a screw, so that the reactor and the cable are not disconnected from each other, and are relatively safe and reliable.
As shown in fig. 4, the present application provides a cable connection apparatus including: the reactor comprises a third shielding shell, a third reactor, a fourth reactor, a first circuit connecting piece, a second circuit connecting piece, a third circuit connecting piece and a fourth circuit connecting piece;
the third shield shell includes: the first cavity and the second cavity are separated;
the third reactor is arranged in the first cavity, the fourth reactor is arranged in the second cavity, and the third shielding shell is used for electromagnetically isolating the third reactor from the fourth reactor;
a first end of the first circuit connecting piece is electrically connected with one end of the third reactor, and a second end of the first circuit connecting piece extends out of the third shielding shell to form a cable connecting end which can be electrically connected with one end of a fifth cable;
a first end of the second circuit connecting piece is electrically connected with the other end of the third reactor, and a second end of the second circuit connecting piece extends out of the third shielding shell to form a cable connecting end which can be electrically connected with one end of a sixth cable;
a first end of the third circuit connecting piece is electrically connected with one end of the fourth reactor, and a second end of the third circuit connecting piece extends out of the third shielding shell to form a cable connecting end which can be electrically connected with one end of a seventh cable;
a first end of the fourth circuit connecting member is electrically connected to the other end of the fourth reactor, and a second end of the fourth circuit connecting member extends out of the third shield case to form a cable connecting end electrically connectable to one end of an eighth cable.
It should be understood that fig. 4 is a schematic cross-sectional view of a cable connection device provided in the present application, and the distance between the cable connection terminal and the third shielding shell is not limited in the drawing, and the cable connection terminal may be disposed on the outer surface of the third shielding shell, which is not limited in the present application.
Optionally, the first circuit connecting piece, the second circuit connecting piece, the third circuit connecting piece and the fourth circuit connecting piece are all used as connection points of the reactor and the cable for connecting the reactor and the cable, any mode that can stably connect the reactor and the cable together and is not easy to fall off belongs to the optional implementation mode of the application, and the application does not limit the mode.
It is to be understood that the first and second cavities, isolated from each other, may be understood in the manner shown in fig. 4. The third shielding shell is isolated into the first cavity and the second cavity by the cavity isolation layer, which can be understood as physical isolation, and also can be understood as mutual isolation of the first cavity and the second cavity in electrical characteristics, i.e. mutual insulation shielding, and the application does not limit this.
Alternatively, the cavity spacer in fig. 4 may comprise three layers of materials: the insulating layer may include a first insulating material layer, a metal layer, and a second insulating material layer, where the metal layer may be located between the first insulating material layer and the second insulating material layer, which is not limited in this application.
Optionally, in some optional embodiments, the third shielding shell includes at least a first insulating material layer, a metal layer, and a second insulating material layer, and the metal layer may be located between the first insulating material layer and the second insulating material layer.
Optionally, the application does not limit the material and structure of the third shielding shell, and any material and structure that can play a role in insulating shielding all belong to the optional embodiments of the third shielding shell of the application, which is not limited in the application.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims (7)

1. A cable connector, comprising: the reactor comprises a first reactor, a first shielding shell and a first connecting table, wherein a first connecting mechanism is arranged on the first connecting table, and a first inlet and a second inlet are respectively arranged on the left side and the right side of the first shielding shell;
the first connecting table is arranged inside the first shielding shell and is insulated from the first shielding shell;
the first end of a first cable extends into the first connecting mechanism from the first inlet, the first reactor is arranged in the first shielding shell, and the first end of the first reactor is electrically connected with the first end of the first cable through the first connecting mechanism and is connected together in a cold pressing mode;
and the first end of the second cable extends into the first connecting mechanism from the second inlet, and the second end of the first reactor is electrically connected with the first end of the second cable through the first connecting mechanism and is connected together in a cold pressing mode, so that the first cable, the first reactor and the second cable form a serial connection relation.
2. The cable connector of claim 1, further comprising: a current meter for detecting the current in the first reactor and a voltage meter for detecting the voltage across the first reactor.
3. The cable connector of claim 2, further comprising: and the electric signal monitoring equipment is in communication connection with the ammeter and the voltmeter.
4. The cable connector of claim 1, further comprising: the second reactor, the second shielding shell and the second connecting platform are provided with a second connecting mechanism, and the left side and the right side of the second shielding shell are respectively provided with a third inlet and a fourth inlet;
the second connecting platform is arranged inside the second shielding shell and is insulated from the second shielding shell;
the first end of a third cable extends into the second connecting mechanism from the third inlet, the second reactor is arranged in the second shielding shell, and the first end of the second reactor is electrically connected with the first end of the third cable through the second connecting mechanism and is connected together in a cold pressing mode;
the first end of a fourth cable extends into the second connecting mechanism from the fourth inlet, and the second end of the second reactor is electrically connected with the first end of the fourth cable through the second connecting mechanism and is connected together in a cold pressing mode, so that the third cable, the second reactor and the fourth cable form a series connection relation.
5. The cable connector of claim 4, wherein the first shield shell and the second shield shell are a unitary shell having first and second spaced apart cavities, the shell surrounding the first cavity being the first shield shell and the shell surrounding the second cavity being the second shield shell.
6. The cable connector according to claim 4, wherein the first shield shell and the second shield shell each comprise at least a first layer of insulating material, a metal layer and a second layer of insulating material, the metal layer being located between the first layer of insulating material and the second layer of insulating material.
7. The cable connector according to claim 1, wherein the first connecting mechanism comprises: the first end of the first cable, the first end of the second cable, the first end of the first reactor and the second end of the first reactor are all provided with annular cold pressing terminals;
the first end of the first reactor is electrically connected with the first end of the first cable through the first connecting mechanism and is connected with the first end of the first cable in a cold pressing mode, and the first end of the first reactor is specifically set as follows:
the first screw penetrates through the annular cold-pressed terminal at the first end of the first cable and the annular cold-pressed terminal at the first end of the first reactor and is screwed into the first threaded hole, so that the first end of the first reactor and the first end of the first cable are electrically connected and connected together in a cold-pressed mode;
the second end of the first reactor is electrically connected with the first end of the second cable through the first connecting mechanism and is connected with the first end of the second cable in a cold pressing mode, and the first end of the first reactor and the second end of the second cable are specifically set as follows:
and the second screw penetrates through the annular cold-pressed terminal at the first end of the second cable and the annular cold-pressed terminal at the second end of the first reactor and is screwed into the second threaded hole, so that the second end of the first reactor and the first end of the second cable are electrically connected and connected together in a cold-pressed mode.
CN202021445929.2U 2020-07-21 2020-07-21 Cable connector Active CN212648534U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202120369044.7U CN214478269U (en) 2020-07-21 2020-07-21 Cable connection equipment
CN202021445929.2U CN212648534U (en) 2020-07-21 2020-07-21 Cable connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021445929.2U CN212648534U (en) 2020-07-21 2020-07-21 Cable connector

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN202120369044.7U Division CN214478269U (en) 2020-07-21 2020-07-21 Cable connection equipment

Publications (1)

Publication Number Publication Date
CN212648534U true CN212648534U (en) 2021-03-02

Family

ID=74763396

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202021445929.2U Active CN212648534U (en) 2020-07-21 2020-07-21 Cable connector
CN202120369044.7U Active CN214478269U (en) 2020-07-21 2020-07-21 Cable connection equipment

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202120369044.7U Active CN214478269U (en) 2020-07-21 2020-07-21 Cable connection equipment

Country Status (1)

Country Link
CN (2) CN212648534U (en)

Also Published As

Publication number Publication date
CN214478269U (en) 2021-10-22

Similar Documents

Publication Publication Date Title
EP2806277B1 (en) Closure
US10135177B2 (en) Cable termination with an integrated monitoring device
CA1115798A (en) High voltage electrical connector shield
CN110088634A (en) For measuring cable resistance, coupler and its method used
EP2944969B1 (en) Antenna and cable connection status verification device and verification method
WO2002097455A9 (en) Current transformer based high voltage measurement method and apparatus
EP1395838A1 (en) Three-phase voltage sensor with active crosstalk cancellation
CN107589356A (en) Transformer insulated property detection means
CN212648534U (en) Cable connector
CN115348816B (en) Electromagnetic shielding method for equipotential operation of electric robot
JPH09199237A (en) Shielded cable with connector
RU2224260C1 (en) Automated system controlling and metering electric energy ( variants )
Kim et al. Analysis of the transmission performance of control pilot signal lines for charging communication in electric vehiclesa
CN210604862U (en) Flexible cable partial discharge sensor
EP3428598B1 (en) Detecting device and detecting system
CN221281148U (en) Photovoltaic direct current insulation monitoring device
TWI737309B (en) On-line measuring system for partial discharges signals of cable joints
Jun et al. The Influence of EMI Power Filter’s Layout on the Measurement of Mains Terminal Disturbance Voltage
CN110850137B (en) Electronic transformer and data processing method
JPH0127391Y2 (en)
JPH09199238A (en) Cable with connector
EP2806512A1 (en) Connector and electronic system using the same
JPS6316279Y2 (en)
JPH0336045Y2 (en)
CN114062809A (en) Design method for signal integrity of fuel oil measurement cable

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20211207

Address after: 102613 No.456, langlongsi village, Huangcun Town, Daxing District, Beijing

Patentee after: BEIJING RAILWAY SIGNAL Co.,Ltd.

Address before: 102613 No.456, langlongsi village, Huangcun Town, Daxing District, Beijing

Patentee before: Rail Transit Technology Research Institute of Tonghao (Beijing) Rail Industry Group Co.,Ltd.

Patentee before: China Communications (Beijing) Railway Industry Group Co., Ltd

TR01 Transfer of patent right