CN110648823B - CT terminal box for quick wiring - Google Patents
CT terminal box for quick wiring Download PDFInfo
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- CN110648823B CN110648823B CN201911042748.7A CN201911042748A CN110648823B CN 110648823 B CN110648823 B CN 110648823B CN 201911042748 A CN201911042748 A CN 201911042748A CN 110648823 B CN110648823 B CN 110648823B
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- 239000003086 colorant Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 description 7
- 238000004804 winding Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
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Abstract
The invention relates to a CT terminal box for quick wiring, which comprises a box body, a current wiring terminal row, a first multi-wire socket and a second multi-wire socket, wherein the current wiring terminal row is fixed in the box body; the first multi-wire socket and the second multi-wire socket are connected with the connecting terminals on the current connecting terminal row through corresponding wires. By adopting the technical scheme, the fault of field wiring can be effectively avoided, the field construction period is shortened, and the circuit arrangement is tidier.
Description
Technical Field
The invention relates to the technical field of terminal boxes, in particular to a CT terminal box for quick wiring.
Background
The Current Transformer (CT) consists of a closed iron core and windings according to the electromagnetic induction principle, and has the function of converting primary current with larger value into secondary current with smaller value through a certain transformation ratio, and the secondary winding is connected in series in a measuring instrument and a protection loop for protection, measurement and other purposes.
At present, the current transformer of the newly-put-into-operation transformer substation generally comprises three types of measurement, measurement and protection, specifically a current transformer for measurement (secondary winding for measurement), a current transformer for measurement (secondary winding for measurement) and a current transformer for protection (secondary winding for protection), so the number of secondary wires is large.
Under the general condition, the current transformer and the metering device, the measuring device and the protecting device which are arranged indoors are not supplied by the same manufacturer, the specific wiring work can be carried out only after the current transformer and the corresponding indoor device are in place in wiring work, and the existing wiring method is that the common terminal box is adopted, the wiring and electricity inspection are carried out on site one by one, and the problems of large work load, long time consumption, high error rate and the like of the on-site wiring are generally existed.
Disclosure of Invention
The invention aims to solve the technical problems of overcoming the defects of the prior art, and provides a CT terminal box capable of fast wiring, which is used for avoiding on-site wiring errors, shortening on-site construction period, reducing power failure time and enabling circuit arrangement to be tidier.
The technical scheme of the invention is as follows:
a CT terminal box for quick wiring comprises a box body, a current wiring terminal block, a first multi-wire socket, a first multi-wire plug, a second multi-wire socket and a second multi-wire plug;
The current wiring terminal row is arranged in the box body and is fixed on the backboard of the box body;
the number of the jacks of the first multi-wire socket is 9, and each jack is connected with one wiring terminal;
The first multi-wire plug is strictly matched with the first multi-wire socket, namely the number of plug posts of the first multi-wire plug is 9, and each plug post is connected with one wiring terminal;
the number of the first multi-wire plugs and the first multi-wire sockets is 3, and the 3 first multi-wire plugs are respectively connected with the wiring terminals of the A phase line, the B phase line and the C phase line of the current transformer through corresponding wires;
the number of jacks of the second multi-wire socket is 6, and each jack is connected with one wiring terminal;
The second multi-wire plug is strictly matched with the second multi-wire socket, namely the number of plug posts of the second multi-wire plug is 6, and each plug post is connected with one wiring terminal;
The number of the second multi-wire plugs is equal to or more than 3, wherein the 3 second multi-wire plugs are respectively connected with wiring terminals of the metering device, the measuring device and the protecting device through corresponding wires;
The first multi-wire socket and the second multi-wire socket are detachably fixed on the box body through screws; the first multi-wire socket and the second multi-wire socket are connected with the connecting terminals on the current connecting terminal row through corresponding wires.
Further, through holes are formed in the left side plate and the right side plate of the box body, the number of the through holes in the left side plate is 3, and the number of the through holes in the right side plate is equal to that of the second multi-wire sockets; the first multi-wire socket and the second multi-wire socket both comprise mounting flanges, and 3 first multi-wire sockets respectively penetrate through holes in the left side plate of the box body and are fixed on the box body through screws; the second multi-wire sockets respectively pass through the through holes on the right side plate of the box body, and the mounting flanges of the second multi-wire sockets are fixed on the box body through screws; the jack ports of the first multi-wire jack and the second multi-wire jack are outside the box body.
Further, the box includes the box body, and the front of box body articulates there is the door, is equipped with the lock on the door, and the top of box body is equipped with the link plate, is equipped with the fixed orifices on the link plate, and this through-hole is used for the installation of box to be fixed.
Further, rubber columns are fixedly arranged at four corners of the outer part of the backboard of the box body respectively.
Further, the box still includes the support column, and the center of support column is equipped with the through-hole, and the internal diameter of this through-hole is slightly greater than the internal diameter of the fixed orifices on the link plate of box body top, and when the fixed box of installation, set screw passes the central through-hole of fixed orifices and support column on the link plate in proper order, the outer terminal surface of support column with the outer terminal surface of rubber column flushes.
Further, a socket number signboard is arranged on the first multi-wire socket, and a wire number signboard is arranged at each socket; the first multi-wire plug is provided with plug number identification cards, and each plug column is provided with a wire number identification card.
Further, a socket number signboard is arranged on the second multi-wire socket, and a wire number signboard is arranged at each socket; the second multi-wire plug is provided with plug number identification cards, and each plug column is provided with a wire number identification card.
Further, a fixed threaded hole is formed in the first multi-wire socket, a fixed through hole is formed in the first multi-wire plug, and after the first multi-wire socket is matched and plugged with the first multi-wire plug, a screw penetrates through the fixed through hole in the first multi-wire plug to be in threaded connection with the fixed threaded hole in the first multi-wire socket, so that the first multi-wire socket is more firmly connected with the first multi-wire plug and is not easy to loosen; the second type multi-wire socket is provided with a fixed threaded hole, the second type multi-wire plug is provided with a fixed through hole, and after the second type multi-wire socket is matched and plugged with the second type multi-wire plug, a screw penetrates through the fixed through hole on the second type multi-wire plug to be in threaded connection with the fixed threaded hole on the second type multi-wire socket, so that the connection between the second type multi-wire socket and the second type multi-wire plug is firmer and is not easy to loosen.
Further, the connecting terminals corresponding to each plug post of the first multi-wire plug are connected with one wire, namely 9 wires are correspondingly connected to 9 plug posts of the first multi-wire plug, the colors of the 9 wires are different, and the external end parts of the wires are provided with wire numbers; the binding post that every plug post that the multi-wire plug of second type corresponds all is connected with an electric wire, and its 6 plug posts correspond and connect 6 electric wires promptly, and the colour of these 6 electric wires is different, and the external tip of electric wire is equipped with the electric wire serial number.
Further, the conductor cross-sectional area of the electric wire is not less than 4mm 2.
The invention has the following beneficial effects:
1) The internal wiring of the terminal box can be completed before the terminal box leaves the factory;
2) When a user only has one or 2 of a metering device, a measuring device, a protecting device and a current transformer to arrive in batches, the wiring work of the corresponding plug and the arrived device can be finished in advance under the condition that various devices or equipment used for construction are not complete, and the wiring work arrangement is flexible;
3) The wiring site is not a transformer substation site, so that the working environment of workers is indirectly improved;
4) When the current transformer located outside the transformer substation is electrically connected with the indoor metering device, the measuring device and the protecting device, the current transformer is only required to be plugged into the corresponding socket, wiring errors are avoided rapidly and conveniently, outdoor construction time is greatly shortened, power failure time can be greatly reduced, and power consumption requirements of users are guaranteed.
Drawings
Fig. 1 is a front view of embodiment 1 of the present invention;
FIG. 2 is a perspective view of the invention according to example 1 with the plug removed;
FIG. 3 is a perspective view of embodiment 1 of the present invention with the door of the cabinet removed;
FIG. 4 is a front view of the door of embodiment 1 of the invention with the cabinet removed;
FIG. 5 is a perspective view of embodiment 1 of the present invention with the plug removed and the door removed;
fig. 6 is a perspective view of a first multi-wire jack of embodiment 1 of the present invention;
fig. 7 is a front view of a first multi-wire jack of embodiment 1 of the present invention;
FIG. 8 is an enlarged partial view of section I of FIG. 7;
fig. 9 is a perspective view of a first multi-wire plug of embodiment 1 of the present invention;
Fig. 10 is a perspective view of a first multi-wire plug according to embodiment 1 of the present invention;
fig. 11 is a front view of a first multi-wire plug of embodiment 1 of the present invention;
fig. 12 is a perspective view of the case of embodiment 1 of the present invention;
Fig. 13 is a perspective view of the case of embodiment 1 of the present invention;
FIG. 14 is a wiring diagram of embodiment 1 of the present invention;
FIG. 15 is an enlarged view of portion II of FIG. 14;
FIG. 16 is an enlarged view of portion III of FIG. 14;
FIG. 17 is an enlarged view of section IV of FIG. 14;
In the figure: 1-box, 101-box body, 102-door, 103-door lock, 104-through hole, 105-hanging plate, 106-fixed hole, 107-support column, 108-rubber column, 2-current wiring terminal row, 3-first type multi-wire socket, 301-socket body, 302-mounting flange, 303-jack, 304-line number identification board I, 305-socket number identification board, 306-fixed screw hole, 4-first type multi-wire plug, 401-plug body, 402-line number identification board II, 403-plug column, 404-plug number identification board, 405-fixed through hole, 406-wire, 5-second type multi-wire socket, 6-second type multi-wire plug.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
Example 1
A CT terminal box for quick wiring comprises a box body 1, a current wiring terminal block 2, a first type multi-wire socket 3, a first type multi-wire plug 4, a second type multi-wire socket 5 and a second type multi-wire plug 6.
The current binding post row 2 sets up in the inside of box 1 to fix on the backplate of box 1 through the screw, the quantity and the model of current binding post row 2, the ordinary choice can be made according to the expert's general knowledge in the art to the skilled artisan, and suggestion current binding post row 2 is selected as test terminal, conveniently makes the test.
The number of the jacks 303 arranged on the socket body 301 of the first multi-wire socket 3 is 9, and each jack 303 is connected with one wiring terminal;
the first type of multi-wire plug 4 is strictly matched with the first type of multi-wire socket 3, namely, the number of plug posts 403 arranged on a plug body 401 of the first type of multi-wire plug 4 is 9, and each plug post 403 is connected with one wiring terminal;
the number of the first multi-wire plugs 4 and the first multi-wire sockets 3 is 3, and the 3 first multi-wire plugs 4 are respectively connected with the wiring terminals of the A phase line, the B phase line and the C phase line of the current transformer through corresponding wires;
the number of jacks of the second multi-wire socket 5 is 6, and each jack is connected with one wiring terminal;
The second multi-wire plug 6 is strictly matched with the second multi-wire socket 5, namely the number of plug posts of the second multi-wire plug 6 is 6, and each plug post is connected with one wiring terminal;
The number of the second multi-wire plugs 6 is equal to that of the second multi-wire sockets 5, and the number of the second multi-wire plugs is 5, wherein 3 second multi-wire plugs 6 are respectively connected with wiring terminals of the metering device, the measuring device and the protecting device through corresponding wires, and the other 2 second multi-wire plugs 6 and the second multi-wire sockets 5 are reserved and can be used as a series outdoor protecting device when necessary;
The first multi-wire socket 3 and the second multi-wire socket 5 are detachably fixed on the box body 1 through screws; the first type of multi-wire socket 3 and the second type of multi-wire socket 5 are connected with the connecting terminals on the current connecting terminal block 2 through corresponding wires.
In order to facilitate the plugging of the first type of multi-wire plug 4 and the second type of multi-wire plug 6, through holes 104 are formed in the left side plate and the right side plate of the box body 1, the number of the through holes 104 on the left side plate is 3, and the number of the through holes 104 on the right side plate is equal to the number of the second type of multi-wire sockets 5; the first multi-wire socket 3 and the second multi-wire socket 5 comprise mounting flanges 302,3, and the first multi-wire socket 3 respectively penetrates through the through holes 104 on the left side plate of the box body 1 and is fixed on the box body 1 through the mounting flanges 302 by bolts; 5 second multi-wire sockets 5 respectively pass through the through holes 104 on the right side plate of the box body 1, and the mounting flange 302 of the second multi-wire sockets 5 is fixed on the box body 1 through screws, and the jack openings of the first multi-wire sockets 3 and the second multi-wire sockets 5 are all outside the box body 1; of course, the arrangement of the through holes 104 on the left side plate and the right side plate of the box body 1 can be symmetrically interchanged, and correspondingly, the installation positions of the first multi-wire socket 3 and the second multi-wire socket 5 can be symmetrically interchanged; alternatively, the through holes 104 may be formed in the top plate and/or the bottom plate, so long as wiring is facilitated, and any way of opening the first multi-wire socket 3 and the second multi-wire socket 5 may be provided outside the case 1.
The box 1 comprises a box body 101, a door 102 is hinged to the front face of the box body 101 for electricity safety, a door lock 103 is arranged on the door 102, a hanging plate 105 is arranged on the top of the box body 101, a fixing hole 106 is formed in the hanging plate 105, and the fixing hole 106 is used for fixing the box 1.
In order to facilitate storage and transportation of the box body 1, rubber posts 108 are adhered to four corners of the outer part of the backboard of the box body 101 of the box body 1 respectively, so that scratches are prevented from being formed on the outer part of the box body 1, and appearance is prevented from being influenced; of course, the fixed relationship of the rubber column 108 and the case body 101 may be realized by screw fixation or other fixing means.
Considering that when the fixing case 1 is installed, if the rubber column 108 is not removed, the support column 107 is specially provided, the center of the support column 107 is provided with a through hole, the inner diameter of the through hole is slightly larger than the inner diameter of the fixing hole 106 on the hanging plate 105 at the top of the case body 101, and when the fixing case 1 is installed, the fixing screw sequentially passes through the fixing hole 106 on the hanging plate 105 and the center through hole of the support column 107 to fix the case 1 on a wall or other fixed object, and at this time, the outer end face of the support column 107 is flush with the outer end face of the rubber column 108.
In order to further facilitate the wiring and plugging operation of a user, a socket number identification plate 305 is arranged on the first multi-wire socket 3, and a wire number identification plate I304 is arranged at each socket 303; a plug number identification plate 404 is arranged on the first multi-wire plug 4, and a wire number identification plate II402 is arranged at each plug column 403; the second multi-wire socket 5 is provided with socket number identification cards, and each socket is provided with a wire number identification card; the second multi-wire plug 6 is provided with plug number identification cards, and each plug column is provided with a wire number identification card.
The first type of multi-wire socket 3 is provided with a fixed threaded hole 306, the first type of multi-wire plug 4 is provided with a fixed through hole 405, after the first type of multi-wire socket 3 is matched and plugged with the first type of multi-wire plug 4, a screw passes through the fixed through hole 405 on the first type of multi-wire plug 4 to be in threaded connection with the fixed threaded hole 306 on the first type of multi-wire socket 3, so that the connection between the first type of multi-wire socket 3 and the first type of multi-wire plug 4 is firmer and is not easy to loosen; similarly, a fixed threaded hole is formed in the second type multi-wire socket 5, a fixed through hole is formed in the second type multi-wire plug 6, after the second type multi-wire socket 5 is matched and plugged with the second type multi-wire plug 6, a screw penetrates through the fixed through hole in the second type multi-wire plug 6 to be in threaded connection with the fixed threaded hole in the second type multi-wire socket 5, so that the connection between the second type multi-wire socket 5 and the second type multi-wire plug 6 is firmer and is not easy to loosen.
The wiring terminals corresponding to each plug column 403 of the first multi-wire plug 4 are connected with one electric wire 406, namely 9 plug columns are correspondingly connected with 9 electric wires 406, the colors of the 9 electric wires 406 are different, the difference is obvious, the external connection end parts of the electric wires 406 are provided with electric wire numbers, and the lengths of the electric wires 406 can be set according to the actual demands of users; similarly, the connection terminals corresponding to each plug column of the second multi-wire plug 6 are connected with one electric wire 406, namely 6 plug columns of the second multi-wire plug are correspondingly connected with 6 electric wires 406, the colors of the 6 electric wires 406 are different, the difference is obvious, and the external connection end parts of the electric wires 406 are provided with electric wire numbers.
The terminal box is used for wiring of a current transformer of a transformer substation and an indoor metering device, a measuring device and a protecting device, so that the conductor cross section area of the electric wire is not less than 4mm 2.
Use of the present embodiment:
1) The internal wiring of the terminal box can be finished before the terminal box leaves the factory, or can be finished by a user and the test is finished;
2) The 3 first multi-wire plugs 4 are respectively connected with the wiring terminals of the A phase line, the B phase line and the C phase line of the current transformer through corresponding wires, and the test is completed;
3) The 3 second multi-wire plugs 6 are respectively connected with wiring terminals of the metering device, the measuring device and the protecting device through corresponding wires, and the test is completed;
4) The terminal box, the current transformer, the metering device, the measuring device and the protecting device which complete wiring are transported to a transformer substation site and are respectively placed at a specified position;
5) Inserting a first type of multi-wire plug 4 into a corresponding first type of multi-wire socket 3, inserting a second type of multi-wire plug 6 into a corresponding second type of multi-wire socket 5, and fastening the plug and socket connection by screws;
6) When the transformation ratio is required to be replaced, the related electric wires are only required to be replaced at the proper connecting terminals on the current connecting terminal strip 2, and the operation is convenient and safe.
In the description of the present invention, words such as "inner", "outer", "upper", "lower", "front", "rear", and the like, indicate an orientation or a positional relationship, and are merely for convenience of describing the present invention, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The above description is only one embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and it should be noted that, for those skilled in the art, modifications and variations can be made without departing from the spirit of the present invention.
Claims (7)
1. A CT terminal box for quick wiring, characterized by: the multi-wire socket comprises a box body (1), a current wiring terminal row (2), a first multi-wire socket (3), a first multi-wire plug (4), a second multi-wire socket (5) and a second multi-wire plug (6);
the current wiring terminal block (2) is arranged in the box body (1) and is fixed on a backboard of the box body (1);
The number of jacks of the first multi-wire socket (3) is 9, and each jack is connected with one wiring terminal;
The first multi-wire plug (4) is strictly matched with the first multi-wire socket (3), the number of plug posts of the first multi-wire plug (4) is 9, and each plug post is connected with one wiring terminal;
The number of the first multi-wire plugs (4) and the first multi-wire sockets (3) is 3, and the 3 first multi-wire plugs (4) are respectively connected with the wiring terminals of the A phase line, the B phase line and the C phase line of the current transformer through corresponding wires;
The number of jacks of the second multi-wire socket (5) is 6, and each jack is connected with one wiring terminal;
the second type multi-wire plug (6) is strictly matched with the second type multi-wire socket (5), the number of plug posts of the second type multi-wire plug (6) is 6, and each plug post is connected with one wiring terminal;
the number of the second type multi-wire plugs (6) is equal to that of the second type multi-wire sockets (5), and the number of the second type multi-wire plugs is more than or equal to 3, wherein the 3 second type multi-wire plugs (6) are respectively connected with wiring terminals of the metering device, the measuring device and the protecting device through corresponding wires;
the first multi-wire socket (3) and the second multi-wire socket (5) are detachably fixed on the box body (1) through screws; the first type multi-wire socket (3) and the second type multi-wire socket (5) are connected with the connecting terminals on the current connecting terminal block (2) through corresponding wires;
A socket number signboard is arranged on the first multi-wire socket (3), and a wire number signboard is arranged at each socket; the first multi-wire plug (4) is provided with plug number identification plates, and each plug column is provided with a wire number identification plate;
A socket number signboard is arranged on the second multi-wire socket (5), and a wire number signboard is arranged at each socket; the second multi-wire plug (6) is provided with plug number identification plates, and each plug column is provided with a wire number identification plate;
The wiring terminals corresponding to each plug column of the first multi-wire plug (4) are connected with one wire, 9 plug columns are correspondingly connected with 9 wires, the colors of the 9 wires are different, and the external end parts of the wires are provided with wire numbers; the binding post that every plug post that second kind multi-wire plug (6) corresponds all is connected with an electric wire, and its 6 plug posts correspond and connect 6 electric wires, and the colour of these 6 electric wires is different, and the external tip of electric wire is equipped with the electric wire serial number.
2. The CT terminal box for quick connect of claim 1, wherein: the left side plate and the right side plate of the box body (1) are respectively provided with through holes (104), the number of the through holes (104) on the left side plate is 3, and the number of the through holes (104) on the right side plate is equal to the number of the second multi-wire sockets (5); the first multi-wire socket (3) and the second multi-wire socket (5) comprise mounting flanges, and the 3 first multi-wire sockets (3) respectively penetrate through holes (104) on the left side plate of the box body (1) and are fixed on the box body (1) through screws; the second multi-wire sockets (5) respectively penetrate through the through holes (104) on the right side plate of the box body (1) and fix the mounting flange on the box body (1) through screws; the jack openings of the first multi-wire socket (3) and the second multi-wire socket (5) are all outside the box body (1).
3. The CT terminal box for quick connect of claim 1, wherein: the box (1) comprises a box body (101), a door (102) is hinged to the front face of the box body (101), a door lock (103) is arranged on the door (102), a hanging plate (105) is arranged at the top of the box body (101), and a fixing hole (106) is formed in the hanging plate (105) and used for fixing the box (1).
4. A CT terminal box for quick connect according to claim 3, characterized in that: rubber columns (108) are fixedly arranged at four corners of the outer part of the backboard of the box body (101) of the box body (1) respectively.
5. The CT terminal box for quick connect according to claim 4, wherein: the box (1) still includes support column (107), the center of support column (107) is equipped with the through-hole, the internal diameter of this through-hole slightly is greater than the internal diameter of fixed orifices (106) on link plate (105) at box body (101) top, when fixed box (1) is installed, set screw passes fixed orifices (106) on link plate (105) and the central through-hole of support column (107) in proper order, the outer terminal surface of support column (107) with the outer terminal surface of rubber column (108) flushes.
6. The CT terminal box for quick connect of claim 1, wherein: the first type multi-wire socket (3) is provided with a fixed threaded hole, the first type multi-wire plug (4) is provided with a fixed through hole, after the first type multi-wire socket (3) is matched and spliced with the first type multi-wire plug (4), a screw penetrates through the fixed through hole on the first type multi-wire plug (4) to be in threaded connection with the fixed threaded hole on the first type multi-wire socket (3), so that the first type multi-wire socket (3) is more firmly connected with the first type multi-wire plug (4) and is not easy to loosen; the second type multi-wire socket (5) is provided with a fixed threaded hole, the second type multi-wire plug (6) is provided with a fixed through hole, after the second type multi-wire socket (5) is matched and plugged with the second type multi-wire plug (6), a screw penetrates through the fixed through hole on the second type multi-wire plug (6) to be in threaded connection with the fixed threaded hole on the second type multi-wire socket (5), so that the connection between the second type multi-wire socket (5) and the second type multi-wire plug (6) is firmer and is not easy to loosen.
7. The CT terminal box for quick connect according to any one of claims 1-6, wherein: the conductor cross-sectional area of the electric wire is not smaller than 4mm 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911042748.7A CN110648823B (en) | 2019-10-30 | 2019-10-30 | CT terminal box for quick wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911042748.7A CN110648823B (en) | 2019-10-30 | 2019-10-30 | CT terminal box for quick wiring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110648823A CN110648823A (en) | 2020-01-03 |
| CN110648823B true CN110648823B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911042748.7A Active CN110648823B (en) | 2019-10-30 | 2019-10-30 | CT terminal box for quick wiring |
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| CN (1) | CN110648823B (en) |
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| CN205406802U (en) * | 2016-03-02 | 2016-07-27 | 南京留吾科技实业有限公司 | Connector component |
| CN210489391U (en) * | 2019-10-30 | 2020-05-08 | 国网山东省电力公司菏泽市定陶区供电公司 | CT terminal box for quick wiring |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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