CN112467653B - Terminal box - Google Patents
Terminal box Download PDFInfo
- Publication number
- CN112467653B CN112467653B CN202011339589.XA CN202011339589A CN112467653B CN 112467653 B CN112467653 B CN 112467653B CN 202011339589 A CN202011339589 A CN 202011339589A CN 112467653 B CN112467653 B CN 112467653B
- Authority
- CN
- China
- Prior art keywords
- terminal
- module
- contact
- wiring terminal
- relay protection
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
Abstract
The embodiment of the application discloses terminal box, terminal box includes: the relay protection device comprises a box body, and a terminal module, a relay protection module and an area module which are arranged in the box body; the terminal module, the relay protection module and the area module are all provided with a plurality of modules, the terminal module, the relay protection module and the area module are arranged in a one-to-one correspondence mode, the terminal module is arranged between the relay protection module and the area module, and the area module is a loop section with an independent loop. By adopting the scheme, the independent loop sections are formed by designing the area modules so as to carry out independent safety measure operation, the safety measure operation is facilitated, and the possibility of misconnection and misconnection is reduced.
Description
Technical Field
The application relates to the technical field of electric power systems, in particular to a terminal box.
Background
The terminal box is a switching construction line, marks branch lines and provides a convenient interface device for wiring and line inspection. In some cases, a short-circuit isolator or the like may be installed in the terminal box for the convenience of construction and debugging. Because the circuit is numerous in the terminal box, and general its service environment is comparatively complicated, consequently, the terminal box needs regular operation maintenance and maintenance to guarantee the power consumption safety.
In the process of regularly maintaining and repairing the terminal box, the safety of operators needs to be ensured. Traditional terminal box adopts the safety measure of taking off the wiring formula to the operation of carrying out terminal box is maintained and is overhauld, but takes off the wiring formula safety measure and requires extremely high and easily take place the misconnection to operating personnel's skill, in case the misconnection leads to the protection inefficacy.
Disclosure of Invention
The application provides a terminal box to solve the problem that the technical ability requirement of disconnect-type safety measure to the operation personnel is high and the misconnection easily takes place, in case the misconnection leads to the protection inefficacy.
The embodiment of the application provides a terminal box, includes: the relay protection device comprises a box body, and a terminal module, a relay protection module and an area module which are arranged in the box body;
the terminal module, the relay protection module and the area module are all provided with a plurality of modules, the terminal module, the relay protection module and the area module are arranged in a one-to-one correspondence mode, the terminal module is arranged between the relay protection module and the area module, and the area module is a loop section with an independent loop.
Optionally, the zone module comprises at least one of a current transformer, a voltage transformer and a signal relay.
Optionally, the relay protection module is a CT current loop.
Optionally, the terminal module includes a first connection terminal, a second connection terminal, a third connection terminal and a fourth connection terminal, the first connection terminal and the second connection terminal are electrically connected to the region module, the third connection terminal and the fourth connection terminal are electrically connected to the relay protection module, the first connection terminal is electrically connected to the third connection terminal, the second connection terminal is electrically connected to the fourth connection terminal, so as to connect the relay protection module with the region module is electrically connected.
Optionally, an operation portion is arranged on the terminal module, the operation portion is used for inserting of a detection piece, the detection piece is inserted into the terminal module, so that the first wiring terminal is electrically connected with the second wiring terminal, the first wiring terminal is disconnected with the third wiring terminal, the second wiring terminal is disconnected with the fourth wiring terminal, so that the area module is in short circuit, the relay protection module is connected with the detection piece, and the detection piece is used for detecting the electrical connection state between the third wiring terminal and the fourth wiring terminal.
Optionally, the first connection terminal includes a first contact, the second connection terminal includes a second contact, and the detection member electrically connects the first contact and the second contact.
Optionally, the first wire connecting terminal further includes a third contact, the second wire connecting terminal further includes a fourth contact, the third wire connecting terminal includes a fifth contact and a sixth contact, the fourth wire connecting terminal includes a seventh contact and an eighth contact, the third contact is electrically connected to the fifth contact, and the fourth contact is electrically connected to the seventh contact;
the detection piece pushes the third wiring terminal and the fourth wiring terminal so that the sixth contact is electrically connected with the eighth contact, the third contact can be disconnected with the fifth contact, and the fourth contact can be disconnected with the seventh contact.
Optionally, the terminal box further comprises a temperature measuring piece and an insulating patch, the insulating patch is connected with the wiring terminal in the terminal module and the temperature measuring piece, so that the temperature measuring piece can sense the temperature of the wiring terminal, and when the temperature of the wiring terminal reaches a preset value, the temperature measuring piece can send out a warning signal and transmit the warning signal to the host.
Optionally, be provided with joint arch and handle on the detection piece, joint arch is fixed with the joint groove joint on the terminal module to make the detection piece insert the operating portion of terminal module, and keep stable connection.
Optionally, the box body is further provided with a plurality of safety measure covers, the safety measure covers and the terminal modules are arranged in a one-to-one correspondence manner, and the safety measure covers are used for sealing operation portions of the terminal modules.
The embodiment of the application discloses terminal box, terminal box includes: the relay protection device comprises a box body, and a terminal module, a relay protection module and an area module which are arranged in the box body; the terminal module, the relay protection module and the area module are all provided with a plurality of modules, the terminal module, the relay protection module and the area module are arranged in a one-to-one correspondence mode, the terminal module is arranged between the relay protection module and the area module, and the area module is a loop section with an independent loop. By adopting the scheme, the loop sections with independent strokes are designed for the area modules so as to carry out independent safety measure operation, the safety measure operation is facilitated, and the possibility of misconnection and misconnection is reduced.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an overall structural view of a terminal box according to an embodiment of the present disclosure;
fig. 2 is a schematic connection diagram of an internal structure of a terminal box according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a terminal module according to an embodiment of the present application;
fig. 4 is a schematic view of the structure of a terminal module insertion detector in one embodiment of the present application;
FIG. 5 is a schematic diagram of a normal state of a current loop according to an embodiment of the present application;
FIG. 6 is a schematic view of the current loop insertion detector in one embodiment of the present application;
FIG. 7 is a schematic view of a current loop service condition in an embodiment of the present application;
FIG. 8 is a state diagram of current sensing of the current loop in one embodiment of the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description.
As can be known from the description of the background art, in the process of regular maintenance and overhaul of the terminal box in the prior art, the safety of personnel is usually ensured by adopting a disconnecting safety measure, that is, the disconnection realizes power failure, protection, connection of test equipment and the like, but in this way, the skill requirement of the operator is extremely high, and misconnection is easy to occur, and once miscollision causes protection failure, further safety accidents may be caused.
Therefore, in order to solve the above-mentioned problems, the present application provides a terminal box, referring to fig. 1 and 2, including: the device comprises a box body 1, and a terminal module 30, a relay protection module 20 and an area module 10 which are arranged in the box body 1.
The box body 1 can be a cabinet body made of metal or other materials, the materials and the size can be selected according to the application environment, and the box body 1 is used for protecting the structure inside the box body 1.
The terminal modules 30, the relay protection modules 20 and the area modules 10 are all provided in a plurality, the terminal modules 30 are arranged in one-to-one correspondence with the relay protection modules 20 and the area modules 10, the terminal modules 30 are arranged between the relay protection modules 20 and the area modules 10, and the area modules 10 are loop sections with independent loops.
In this embodiment, a plurality of terminal modules 30, a plurality of relay protection modules 20, and a plurality of area modules 10 are disposed inside the box body 1 of the terminal box, each terminal module 30 is disposed in one-to-one correspondence with one relay protection module 20 and one area module 10, and the terminal modules 30, the relay protection modules 20, and the area modules 10 can be electrically connected to each other to form a loop, so as to implement maintenance, overhaul, test, and the like of the terminal box.
This application will regional module 10 designs and forms independent return circuit section to carry out independent safety measure operation, do benefit to the going on of safety measure operation, reduce the possibility of misconnection, mistake bumping.
Optionally, the area module 10 includes at least one of a current transformer, a voltage transformer, and a signal relay.
Optionally, the relay protection module 20 is a CT current loop.
The Current loop of the Current Transformer (CT) has an open-circuit prevention function to provide circuit protection.
Further, referring to fig. 3, the terminal module 30 includes a first connection terminal 301, a second connection terminal 302, a third connection terminal 303, and a fourth connection terminal 304, the first connection terminal 301 and the second connection terminal 302 are electrically connected to the area module 10, the third connection terminal 303 and the fourth connection terminal 304 are electrically connected to the relay protection module 20, the first connection terminal 301 is electrically connected to the third connection terminal 303, and the second connection terminal 302 is electrically connected to the fourth connection terminal 304, so as to electrically connect the relay protection module 20 to the area module 10.
Further, referring to fig. 4, an operation portion is disposed on the terminal module 30, the operation portion is used for inserting a detection piece 40, the detection piece 40 is inserted into the terminal module 30, so that the first connection terminal 301 is electrically connected to the second connection terminal 302, the first connection terminal 301 is disconnected from the third connection terminal 303, the second connection terminal 302 is disconnected from the fourth connection terminal 304, so that the area module 10 side is short-circuited, the relay protection module 20 is connected to the detection piece 40, and the detection piece 40 is used for detecting an electrical connection state between the third connection terminal 303 and the fourth connection terminal 304.
Wherein the operating portion may include a catching groove 305 to facilitate insertion of the detector 40.
In this embodiment, the detection element 40 is directly inserted into the terminal module 30 to complete short circuit and disconnection between the connection terminals, and detection of the relay protection module 20 is realized, and the external operation test interface on the terminal module 30 is used to realize plug-in and plug-and-play, without disconnecting, so as to realize automatic safety measure and isolation work of the loop.
It can be understood that, when the terminal box is detected, the disconnection of the internal circuit of the terminal box is not required, the state detection of the relay protection module 20 can be realized by plugging and unplugging the detection piece 40 in the terminal box on the terminal module 30, and under the condition of no disconnection, the safety measures are quickly completed to realize physical isolation, intelligent short circuit or cross-boundary.
When the detection of secondary circuit is carried out, the on-site maintenance personnel can carry out the maintenance test operation of circuit without contacting the terminal strip to realize automatic safety measure and isolation work.
In a specific embodiment, the detection member 40 is inserted into or removed from the terminal module 30 to achieve normal connection or short-circuit of the terminal strip connection circuit in the terminal module 30, when the detection member 40 is not inserted into the operation portion of the terminal module 30, the terminal module 30 is in a normal state, as shown in fig. 5, the zone module 10 and the relay device are both normally operated, and current passes through the zone module 10, the terminal module 30, the relay module 20, and finally returns to the zone module 10 to form a loop. When detection is required, as shown in fig. 6 and 7, when the detection piece 40 is inserted into the first position of the operation part of the terminal module 30, the first terminal and the second terminal can be in short circuit, after the detection piece 40 is inserted continuously, the first connection terminal 301 and the third connection terminal 303 can be disconnected, the second connection terminal 302 and the fourth connection terminal 304 can be disconnected, so that the relay protection module 20 side is isolated from the area module 10 side, and the electrical connection state between the third connection terminal 303 and the fourth connection terminal 304 can be directly detected through the detection piece 40 to detect the relay protection device, perform daily protection verification and transmission test, and thereby realize the test operation of the secondary circuit.
In another embodiment, the normal connection or short circuit of the terminal strip connection line in the terminal module 30 is realized by inserting or removing the detecting member 40 into or from the terminal module 30, when the detecting member 40 is not inserted into the operation part of the terminal module 30, the terminal module 30 is in a normal state, as shown in fig. 5, the zone module 10 and the relay device are both normally operated, and the current passes through the zone module 10, the terminal module 30, the relay module 20, and finally returns to the zone module 10 to form a loop. When detection is required, as shown in fig. 8, the connection between the first terminal and the third terminal may be disconnected, and the first terminal and the third terminal may be connected through an ammeter for detection.
Referring again to fig. 3 and 4, the first connection terminal 301 includes a first contact 3011, the second connection terminal 302 includes a second contact 3021, and the detecting member 40 electrically connects the first contact 3011 and the second contact 3021 to short the first connection terminal 301 and the second connection terminal 302.
Specifically, the first connection terminal 301 and the second connection terminal 302 are symmetrically arranged bent connection terminals, and the first terminal and the second connection terminal 302 are elastic members, after the detection piece 40 is inserted into the terminal module 30, the main conductive portion of the detection piece 40 pushes the first contact 3011 and the second contact 3021 to be relatively far away, and abuts against the first contact 3011 and the second contact 3021, so that the main conductive portion of the detection piece 40 is electrically connected with the first contact 3011 and the second contact 3021, and the first contact 3011 and the second contact 3021 have a tendency of elastic return to tightly abut against the main conductive portion of the detection piece 40. Preferably, the contact surfaces of the first and second contacts 3011 and 3021 and the conductive portion of the main body of the test element 40 are flat surfaces, so as to improve the stability of the electrical connection.
Optionally, the first connection terminal 301 further includes a third contact 3012, the second connection terminal 302 further includes a fourth contact 3022, the third connection terminal 303 includes a fifth contact 3031 and a sixth contact 3032, the fourth connection terminal 304 includes a seventh contact 3041 and an eighth contact 3042, the third contact 3012 is electrically connected to the fifth contact 3031, and the fourth contact 3022 is electrically connected to the seventh contact 3041.
The detecting member 40 pushes the third connection terminal 303 and the fourth connection terminal 304 to electrically connect the sixth contact 3032 with the eighth contact 3042, and disconnect the third contact 3012 from the fifth contact 3031, and disconnect the fourth contact 3022 from the seventh contact 3041. To detect the electrical connection state between the third connection terminal 303 and the fourth connection terminal 304 to detect the relay device in the case where the first connection terminal 301 is disconnected from the third connection terminal 303 and the second connection terminal 302 is disconnected from the fourth connection terminal 304.
Specifically, the third connection terminal 303 and the fourth connection terminal 304 are symmetrically arranged bent connection terminals, and the third connection terminal 303 and the fourth connection terminal 304 are elastic members, the main conductive portion of the detecting member 40 pushes the sixth contact 3032 and the eighth contact 3042 to move away from each other and abut against the sixth contact 3032 and the eighth contact 3042, so that the main conductive portion of the detecting member 40 is electrically connected with the sixth contact 3032 and the eighth contact 3042, the sixth contact 3032 and the eighth contact 3042 have a tendency of elastic return to tightly abut against the main conductive portion of the detecting member 40, meanwhile, in the process of moving the sixth contact 3032 and the eighth contact 3042 away from each other, the third connection terminal 303 and the fourth connection terminal 304 are driven to deform partially, so that the fifth contact 3031 moves away from the third contact 3012, the seventh contact 3041 moves away from the fourth contact 3022, so as to disconnect the third contact 3012 from the fifth contact 3031, the fourth contact 3022 can be electrically disconnected from the seventh contact 3041. Preferably, the contact surfaces of the third contact 3012 and the fifth contact 3031, the contact points of the fourth contact 3022 and the seventh contact 3041, and the contact surfaces of the sixth contact 3032 and the eighth contact 3042 and the main conductive part of the detecting element 40 are flat surfaces, so as to improve the stability of the electrical connection.
It can be understood that the first connection terminal 301, the second connection terminal 302, the third connection terminal 303 and the fourth connection terminal 304 are elastic members, which can provide better contact pressure for the contacts on the connection terminals to ensure the excellent electrical connection.
In addition, the detection piece 40 is provided with a clamping protrusion 401 and a handle 402, the clamping protrusion 401 can be clamped and fixed with a clamping groove 305 on the terminal module 30, so that the detection piece 40 can be inserted into an operation part of the terminal module 30 and can be stably connected to ensure the detection safety, and the handle 402 is arranged to facilitate the detection control of an operator.
Further, the terminal box further includes: the temperature measuring device comprises a temperature measuring piece and an insulating paster, wherein the insulating paster is connected with each wiring terminal in the terminal module 30 and the temperature measuring piece, so that the temperature measuring piece can sense the temperature of the wiring terminal to monitor the temperature of the wiring terminal and prevent high-temperature burning danger. .
When the temperature of the wiring terminal reaches a preset value, the temperature measuring part can send out a warning signal and transmit the warning signal to the host.
In this embodiment, when the host computer can receive the warning signal that the temperature measurement piece sent to send alarm signal, warn the control personnel. The host can control the acousto-optic warning device to emit at least one of sound and light signals to form an alarm signal, and monitoring personnel can find the warning signal conveniently. Of course, in other embodiments, the warning signal may also be a warning signal displayed on the display screen, and the warning signal may be saved only when the high temperature problem of the wiring terminal is solved, and the warning signal is manually released.
In one embodiment, when the temperature of the wiring terminal reaches a preset value, the temperature measuring part can send out a warning signal and transmit the warning signal to the host, and the upper limit temperature of the wiring terminal can be set so as to ensure the timeliness of warning.
Further, the box body 1 is further provided with a plurality of safety measure covers 50, the safety measure covers 50 are arranged in one-to-one correspondence with the terminal modules 30, and the safety measure covers 50 are used for sealing the operation parts of the terminal modules 30.
The safety measure cover 50 is opened to disconnect the signal circuit of the terminal module 30, and only the safety measure cover 50 needing to be detected can be opened to detect the terminal module 30 of the part, so that the occurrence of protection failure caused by misconnection and mistaken collision can be prevented. In addition, the safety measure cover 50 opens a signal circuit that can disconnect the terminal module 30 to ensure safety of detection of the terminal module 30.
When the current loop that maintainer need be directed against terminal module 30 carries out the safety measure operation, be different from the integral terminal row of traditional terminal incasement, the maintenance return circuit of the terminal case of this embodiment distributes according to the operation object and forms a plurality of regional modules 10, a plurality of terminal modules 30 and a plurality of module 20 of protecting from, and the terminal module 30 that does not involve the maintenance object shelters from through setting up safety measure lid 50, need not to hang the tablet and hang the insulating sticky tape and can operate to the appointed region. For example, when the disconnecting link or the switchgear needs to be repaired, the safety cover 50 of the operation area corresponding to the mechanism is only required to be pulled out, and the signal loop common to the terminal module 30 is disconnected.
In an embodiment, the terminal box further includes a control unit, the safety cover 50 is provided with a connecting member, when the safety cover 50 closes the operation portion of the terminal module 30, the connecting member signal-connects the control unit and the terminal module 30 to form a signal loop, and when the safety cover 50 is opened to expose the operation portion of the terminal module 30, the connecting member moves to disconnect the signal connection between the control unit and the terminal module 30, so that the opening and closing of the safety cover 50 can control the signal connection between the inside of the terminal module 30 and the control unit.
In an embodiment, the safety measure cover 50 is provided with a rubber plug, the rubber plug is matched with the operation part of the terminal module 30, so that the safety measure cover 50 can insulate and seal the operation part of the terminal module 30, not only can the sealing and shielding of the operation part of the terminal module 30 be realized, the mistaken touch and the mistaken connection of an operator can be avoided, the sealing of the operation part can be realized through the rubber plug, the service life of the terminal module 30 caused by the infiltration of rainwater is shortened, even the terminal module 30 can be completely free from the influence of the external environment, and the maintenance of the terminal module 30 is avoided.
In one embodiment, the safety measure cover 50 is hinged to the terminal box at one end and detachably connected to the terminal box at the other end by a latch, so that the safety measure cover 50 is opened and closed, and the locking stability of the safety measure cover 50 in a closed state is achieved by the latch.
Based on the terminal box disclosed above, the embodiment of the application also discloses an example of a use method of the terminal box, which includes the following steps:
(1) the first connection terminal 301 and the second connection terminal 302 are electrically connected to short the area module 10 side.
(2) The first connection terminal 301 is disconnected from the third connection terminal 303, and the second connection terminal 302 is disconnected from the fourth connection terminal 304, so that the relay protection module 20 is laterally disconnected.
(3) The electrical connection state between the third connection terminal 303 and the fourth connection terminal 304 is detected to detect the relay protection module 20.
It can be understood that the short circuit and disconnection between the connection terminals are controlled, and the detection of the relay protection module 20 is realized, so that the plugging and unplugging only, the disconnection not required, and the plug and play are realized, so that the automatic safety measure and the isolation work of the loop are realized, and the sequence control and the test operation are performed on the specified loop.
According to the scheme, the terminal box disclosed by the embodiment of the application can improve the safety measures of the outdoor terminal box and the terminal, realizes the effects of preventing mistaken touch, mistaken connection and disconnection of operators in the maintenance process, has high efficiency, safety and reliability, and replaces unsafe behaviors of people with intrinsic safety of equipment, so that the occurrence probability of safety events is reduced, and the operation efficiency is improved.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.
Claims (6)
1. A terminal box, comprising: the relay protection device comprises a box body, and a terminal module, a relay protection module and an area module which are arranged in the box body;
the relay protection module is arranged between the relay protection module and the area module, and the area module is a loop section with an independent loop;
the terminal module comprises a first wiring terminal, a second wiring terminal, a third wiring terminal and a fourth wiring terminal, wherein the first wiring terminal and the second wiring terminal are electrically connected with the area module, the third wiring terminal and the fourth wiring terminal are electrically connected with the relay protection module, the first wiring terminal is electrically connected with the third wiring terminal, and the second wiring terminal is electrically connected with the fourth wiring terminal so as to electrically connect the relay protection module with the area module;
the terminal module is provided with an operation part, the operation part is used for inserting a detection piece, the detection piece is inserted into the terminal module so that the first wiring terminal is electrically connected with the second wiring terminal, the first wiring terminal is disconnected with the third wiring terminal, the second wiring terminal is disconnected with the fourth wiring terminal so that the area module side is short-circuited, the relay protection module is conducted with the detection piece, and the detection piece is used for detecting the electric connection state between the third wiring terminal and the fourth wiring terminal;
the first connecting terminal comprises a first contact, the second connecting terminal comprises a second contact, and the detection piece is electrically connected with the first contact and the second contact;
the first wiring terminal further comprises a third contact, the second wiring terminal further comprises a fourth contact, the third wiring terminal comprises a fifth contact and a sixth contact, the fourth wiring terminal comprises a seventh contact and an eighth contact, the third contact is electrically connected with the fifth contact, and the fourth contact is electrically connected with the seventh contact;
the detection piece pushes the third wiring terminal and the fourth wiring terminal so that the sixth contact is electrically connected with the eighth contact, the third contact can be disconnected with the fifth contact, and the fourth contact can be disconnected with the seventh contact.
2. The terminal box of claim 1, wherein the zone module includes at least one of a current transformer, a voltage transformer, and a signal relay.
3. The terminal box of claim 1, wherein the relay protection module is a CT current loop.
4. The terminal box of claim 1, further comprising a temperature measuring piece and an insulating patch, wherein the insulating patch is connected with the terminal block in the terminal module and the temperature measuring piece, so that the temperature measuring piece can sense the temperature of the terminal block, and when the temperature of the terminal block reaches a preset value, the temperature measuring piece can send out a warning signal and transmit the warning signal to a host.
5. The terminal box of claim 1, wherein the detection member is provided with a clamping protrusion and a handle, and the clamping protrusion is clamped and fixed with the clamping groove on the terminal module, so that the detection member is inserted into the operation part of the terminal module and is stably connected with the operation part.
6. The terminal box according to claim 1, wherein a plurality of safety measures covers are further provided on the box body, the safety measures covers are provided in one-to-one correspondence with the terminal modules, and the safety measures covers are used for closing operation portions of the terminal modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011339589.XA CN112467653B (en) | 2020-11-25 | 2020-11-25 | Terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011339589.XA CN112467653B (en) | 2020-11-25 | 2020-11-25 | Terminal box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112467653A CN112467653A (en) | 2021-03-09 |
| CN112467653B true CN112467653B (en) | 2022-04-12 |
Family
ID=74807907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011339589.XA Active CN112467653B (en) | 2020-11-25 | 2020-11-25 | Terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112467653B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202695996U (en) * | 2012-06-14 | 2013-01-23 | 国家电网公司 | Terminal box cover |
| CN206223821U (en) * | 2016-11-22 | 2017-06-06 | 国网浙江省电力公司绍兴供电公司 | A kind of integration peace arranges test connecting box |
| CN110440938A (en) * | 2019-09-04 | 2019-11-12 | 云南电网有限责任公司昆明供电局 | A kind of terminal box and its application method with temp sensing function |
| CN110456113A (en) * | 2019-09-18 | 2019-11-15 | 云南电网有限责任公司电力科学研究院 | A kind of plug-in electric current essential safety terminal |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500906A (en) * | 2013-08-15 | 2014-01-08 | 国网吉林省电力有限公司长春供电公司 | Remote control type power supply changeover device |
| CN210053156U (en) * | 2019-08-20 | 2020-02-11 | 云南电网有限责任公司电力科学研究院 | Intrinsically safe terminal box |
-
2020
- 2020-11-25 CN CN202011339589.XA patent/CN112467653B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202695996U (en) * | 2012-06-14 | 2013-01-23 | 国家电网公司 | Terminal box cover |
| CN206223821U (en) * | 2016-11-22 | 2017-06-06 | 国网浙江省电力公司绍兴供电公司 | A kind of integration peace arranges test connecting box |
| CN110440938A (en) * | 2019-09-04 | 2019-11-12 | 云南电网有限责任公司昆明供电局 | A kind of terminal box and its application method with temp sensing function |
| CN110456113A (en) * | 2019-09-18 | 2019-11-15 | 云南电网有限责任公司电力科学研究院 | A kind of plug-in electric current essential safety terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112467653A (en) | 2021-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203787791U (en) | Ring main unit high-voltage live display block system with forced block function | |
| CN108550244A (en) | A kind of safety ground monitoring alarm with multichannel | |
| KR102066852B1 (en) | Protection and distribution panal with inspection switches | |
| US20140152329A1 (en) | Insulation Monitoring Device With Measuring Circuit Interruption | |
| CN112886399A (en) | High tension switchgear fault diagnosis system and high tension switchgear | |
| CN112467653B (en) | Terminal box | |
| CN112505453B (en) | Terminal box testing method and terminal box | |
| CN106774026B (en) | Intelligent line controller | |
| CN112510392B (en) | Safety measure isolation device | |
| CN103915793A (en) | Signal monitoring anti-thunder distribution cabinet and implementation method | |
| US8755155B2 (en) | Device and a method for protecting a link in a medium, high, or very high voltage electrical network | |
| CN216215756U (en) | Automatic terminal acceptance device of 10kV pole-mounted switch | |
| US9470730B2 (en) | Self-monitoring power supply cord and operating equipment | |
| CN213843405U (en) | Quick testing arrangement of transformer substation relay protection device | |
| US4742428A (en) | Protective relay and drawout case therefor | |
| CN112444701A (en) | Secondary circuit detection device and circuit operation intrinsic safety method | |
| GB2577143A (en) | Device for disconnection of electrical vehicle supply equipment in the event of a fault | |
| CN202204899U (en) | Fire prevention detecting instrument | |
| CN207410005U (en) | A kind of energy saving power grid measure voltage ＆ current protective device | |
| CN215833580U (en) | Short circuit detection device for power system | |
| CN218584942U (en) | Five-prevention lock for protecting output of tester | |
| CN110031120A (en) | Bus temperature measuring equipment | |
| CN213782632U (en) | Terminal box with integrated door body structure | |
| CN217151455U (en) | Safety acquisition device for stereo garage, safety system and garage | |
| CN209896445U (en) | Power supply integrated device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |