CN110648823A - CT terminal box for quick wiring - Google Patents
CT terminal box for quick wiring Download PDFInfo
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- CN110648823A CN110648823A CN201911042748.7A CN201911042748A CN110648823A CN 110648823 A CN110648823 A CN 110648823A CN 201911042748 A CN201911042748 A CN 201911042748A CN 110648823 A CN110648823 A CN 110648823A
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- 238000009434 installation Methods 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 238000000034 method Methods 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
- 238000005034 decoration Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- 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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Abstract
The invention relates to a CT terminal box for quick wiring, which comprises a box body, a current wiring terminal row fixed in the box body, a first multi-line socket and a second multi-line socket fixed on the box body, wherein a first multi-line plug is matched with the first multi-line socket for use, 3 first multi-line plugs are respectively connected with wiring terminals of an A phase line, a B phase line and a C phase line of a current transformer through corresponding electric wires, the second multi-line plug is matched with the second multi-line socket for use, and the 3 second multi-line plugs are respectively connected with wiring terminals of a metering device, a measuring device and a protecting device through corresponding electric wires; the first multi-wire socket and the second multi-wire socket are connected with the wiring terminals on the current wiring terminal row through corresponding wires. By adopting the technical scheme, the field wiring error can be effectively avoided, the field construction period is shortened, and the line arrangement is more orderly.
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) is composed of a closed iron core and a winding according to the electromagnetic induction principle, and has the function of converting primary current with a larger value into secondary current with a smaller value through a certain transformation ratio, and a secondary winding is connected in series in a measuring instrument and a protection loop and is used for protection, measurement and the like.
At present, the current transformers of a newly put-into-service substation generally have three applications including measurement, measurement and protection, and specifically, the current transformers for measurement (secondary windings for measurement) and the current transformers for protection (secondary windings for protection), so the number of secondary wires is large.
Generally, a current transformer, a metering device, a measuring device and a protection device which are arranged indoors are not supplied by the same manufacturer, specific wiring work can be carried out only after the current transformer and the corresponding indoor device are in place in wiring work, the conventional wiring method is that a common terminal box is adopted, wiring and electricity testing are carried out on site one by one, and the problems of large field wiring workload, long consumed time, high error rate and the like generally exist.
Disclosure of Invention
The invention aims to solve the technical problem of making up the defects of the prior art and provides a CT terminal box for quick wiring, which is used for avoiding field wiring errors, shortening the field construction period, reducing the power failure time and enabling the line arrangement to be more orderly.
To solve the technical problems, the technical scheme of the invention is as follows:
a CT terminal box for fast wiring comprises a box body, a current wiring terminal row, 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 strip is arranged in the box body and fixed on a back plate 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 for use, namely the number of plug columns of the first multi-wire plug is 9, and each plug column is connected with one wiring terminal;
the number of the first multi-line plugs and the number of the first multi-line sockets are 3, and the 3 first multi-line plugs are respectively used for being connected with wiring terminals of phase lines A, phase lines B and phase lines C of the current transformer through corresponding electric wires;
the number of the 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 for use, namely the number of plug columns of the second multi-wire plug is 6, and each plug column is connected with one wiring terminal;
the number of the second multi-line plugs and the number of the second multi-line sockets are equal to or more than 3, wherein the 3 second multi-line plugs are respectively used for being 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 wiring terminals on the current wiring terminal row through corresponding wires.
Furthermore, 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-line socket and the second multi-line socket both comprise mounting flanges, and the 3 first multi-line sockets respectively penetrate through holes in the left side plate of the box body and are fixed on the box body through screws; a plurality of second multi-wire sockets respectively penetrate through holes in the right side plate of the box body, and mounting flanges of the second multi-wire sockets are fixed on the box body through screws; the jack openings of the first multi-wire socket and the second multi-wire socket are arranged 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 fixed.
Furthermore, the four corners of the outer portion of the back plate of the box body are respectively fixedly provided with rubber columns.
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 slightly is greater than the internal diameter of the fixed orifices on the link plate of box body top, and during the fixed box of installation, set screw passed the fixed orifices on the link plate and the central through-hole of support column in proper order, the outer terminal surface of support column with the outer terminal surface of rubber column flushes.
Furthermore, a socket number signboard is arranged on the first multi-wire socket, and a wire number signboard is arranged at each jack; be equipped with plug number signboard on the multi-thread plug of first kind, every plug post department is equipped with line number signboard.
Furthermore, a socket number signboard is arranged on the second multi-wire socket, and a wire number signboard is arranged at each jack; and plug number identification plates are arranged on the second multi-wire plug, and a wire number identification plate is arranged at each plug column.
Furthermore, a fixing threaded hole is formed in the first multi-wire socket, a fixing through hole is formed in the first multi-wire plug, and after the first multi-wire socket is matched and spliced with the first multi-wire plug, a screw penetrates through the fixing through hole in the first multi-wire plug and is in threaded connection with the fixing threaded hole in the first multi-wire socket, so that the first multi-wire socket and the first multi-wire plug are connected more firmly and are not easy to loosen; the multi-wire socket is characterized in that a fixing threaded hole is formed in the second multi-wire socket, a fixing through hole is formed in the second multi-wire plug, and after the second multi-wire socket is matched and spliced with the second multi-wire plug, a screw penetrates through the fixing through hole in the second multi-wire plug and is in threaded connection with the fixing threaded hole in the second multi-wire socket, so that the second multi-wire socket is connected with the second multi-wire plug more firmly and is not easy to loosen.
Furthermore, the connecting terminal corresponding to each plug post of the first multi-wire plug is connected with one wire, namely 9 plug posts are correspondingly connected with 9 wires, the colors of the 9 wires are different, and the external end part of each wire is provided with a wire number; the binding post that every plug post of the multi-thread plug of second kind corresponds all is connected with an electric wire, and 6 electric wires are connected to its 6 plug posts correspondence promptly, and the colour diverse of these 6 electric wires, the external tip of electric wire is equipped with the electric wire number.
Further, the conductor sectional area of the electric wire is not less than 4mm2。
The invention can achieve the following beneficial effects:
1) the internal wiring of the terminal box can be completed before the terminal box leaves a factory;
2) when only one or 2 of a metering device, a measuring device, a protection device and a current transformer arrives in batches on a user site, and various devices or equipment used for construction are incomplete, wiring work of corresponding plugs and the devices which arrive can be completed in advance, and wiring work arrangement is flexible;
3) the wiring field can be not a transformer substation field, and the working environment of workers is indirectly improved;
4) on the job site, when being located outdoor current transformer of transformer substation and indoor metering device, measuring device, protection device electric connection, only need with each plug to insert corresponding socket can, quick, convenient, avoid the wiring to make mistakes, outdoor engineering time shortens greatly, and can reduce the power off time by a wide margin, guarantees user's power consumption demand.
Drawings
FIG. 1 is a front view of embodiment 1 of the present invention;
FIG. 2 is a perspective view of the plug of embodiment 1 of the present invention after being unplugged;
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 with the cabinet removed according to embodiment 1 of the present invention;
FIG. 5 is a perspective view of the case of embodiment 1 of the present invention with the plug removed and the door removed;
fig. 6 is a perspective view of a first multiple wire jack of embodiment 1 of the present invention;
figure 7 is a front view of a first multiple wire jack of embodiment 1 of the present invention;
FIG. 8 is an enlarged partial view of portion I of FIG. 7;
figure 9 is a perspective view of a first multiple wire plug of embodiment 1 of the present invention;
figure 10 is a perspective view of a first multiple wire plug of embodiment 1 of the present invention;
figure 11 is a front view of a first multiple wire plug of embodiment 1 of the present invention;
FIG. 12 is a perspective view of a case of embodiment 1 of the present invention;
FIG. 13 is a perspective view of a 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 section II of FIG. 14;
FIG. 16 is an enlarged view of section 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 terminal strip, 3-first multi-wire socket, 301-socket body, 302-mounting flange, 303-jack, 304-wire number signboard I, 305-socket number signboard, 306-fixed threaded hole, 4-first multi-wire plug, 401-plug body, 402-wire number signboard II, 403-plug column, 404-plug number signboard, 405-fixed through hole, 406-wire, 5-second multi-wire socket, 6-second multi-wire plug.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
The utility model provides a CT terminal box for quick wiring, includes box 1, electric current binding post row 2, the multi-thread socket of first kind 3, the multi-thread plug of first kind 4, the multi-thread socket of second kind 5 and the multi-thread plug of second kind 6.
The current wiring terminal strip 2 is arranged in the box body 1 and fixed on a back plate of the box body 1 through screws, and the number and the types of the current wiring terminal strip 2 can be selected conventionally by technical personnel in the field according to professional common knowledge in the field, so that the current wiring terminal strip 2 is suggested to be selected as a test terminal, and a test is facilitated.
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 multi-wire plug 4 is strictly matched with the first multi-wire socket 3 for use, that is, the number of the plug columns 403 arranged on the plug body 401 of the first multi-wire plug 4 is 9, and each plug column 403 is connected with one wiring terminal;
the number of the first multi-line plugs 4 and the number of the first multi-line sockets 3 are 3, and the 3 first multi-line plugs 4 are respectively used for being connected with wiring terminals of phase lines A, phase lines B and phase lines C of the current transformer through corresponding electric 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 and the second multi-wire socket 5 are strictly matched for use, namely the number of plug columns of the second multi-wire plug 6 is 6, and each plug column is connected with one wiring terminal;
the number of the second multi-wire plugs 6 and the number of the second multi-wire sockets 5 are equal, and the number of the second multi-wire plugs is 5, wherein 3 second multi-wire plugs 6 are respectively used for being connected with wiring terminals of a metering device, a measuring device and a protection device through corresponding wires, and the rest 2 second multi-wire plugs 6 and the second multi-wire sockets 5 are standby and can be used as an outdoor protection device in series connection if 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 multi-line socket 3 and the second multi-line socket 5 are each connected to a terminal on the current terminal block 2 by a respective wire.
In order to facilitate the plugging and unplugging of the first multi-wire plug 4 and the second multi-wire plug 6, through holes 104 are respectively arranged on 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 that of the second multi-wire sockets 5; the first multi-line socket 3 and the second multi-line socket 5 both comprise mounting flanges 302, and the 3 first multi-line sockets 3 respectively penetrate through holes 104 in the left side plate of the box body 1 and are fixed on the box body 1 through the mounting flanges 302; the 5 second multi-line sockets 5 respectively penetrate through the through holes 104 on the right side plate of the box body 1, the mounting flange 302 is fixed on the box body 1 through screws, and the jack openings of the first multi-line socket 3 and the second multi-line socket 5 are both arranged 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 also be symmetrically interchanged; alternatively, the through holes 104 may be formed on the top plate and/or the bottom plate, so long as the wiring is convenient, and any opening method that can make the jack ports of the first multi-wire socket 3 and the second multi-wire socket 5 outside the box 1 is possible.
The box 1 comprises a box body 101, wherein a door 102 is hinged to the front face of the box body 101 for power utilization safety, a door lock 103 is arranged on the door 102, a hanging plate 105 is arranged at 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 installing and fixing the box 1.
In order to facilitate the storage and transportation of the box body 1, rubber columns 108 are respectively adhered to four corners of the outer part of the back plate of the box body 101 of the box body 1, so that the phenomenon that scratches are formed on the outer part of the box body 1 to influence the appearance is avoided; of course, the fixing relationship between the rubber column 108 and the box body 101 can also be realized by screw fixation or other fixing means.
Considering that when the fixed box body 1 is installed, if the rubber column 108 is not removed, the supporting column 107 is especially arranged, the center of the supporting 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 box body 101, when the fixed box body 1 is installed, a fixing screw passes through the fixing hole 106 on the hanging plate 105 and the central through hole of the supporting column 107 in sequence, the box body 1 is fixed on a wall or other fixed objects, and at this time, the outer end face of the supporting column 107 is flush with the outer end face of the.
In order to further facilitate the wiring and plugging operation of users, a socket number signboard 305 is arranged on the first multi-line socket 3, and a line number signboard I304 is arranged at each jack 303; a plug number signboard 404 is arranged on the first multi-wire plug 4, and a wire number signboard II402 is arranged at each plug column 403; a socket number signboard is arranged on the second multi-wire socket 5, and a wire number signboard is arranged at each jack; the second multi-wire plug 6 is provided with a plug number signboard, and each plug column is provided with a wire number signboard.
After the first multi-wire socket 3 is matched and spliced with the first multi-wire plug 4, a screw passes through the fixing through hole 405 on the first multi-wire plug 4 to be in threaded connection with the fixing threaded hole 306 on the first multi-wire socket 3, so that the first multi-wire socket 3 is connected with the first multi-wire plug 4 more firmly and is not easy to loosen; in a similar way, the fixing threaded holes are formed in the second multi-wire socket 5, the fixing through holes are formed in the second multi-wire plug 6, after the second multi-wire socket 5 is matched and connected with the second multi-wire plug 6 in a plugging mode, the screws penetrate through the fixing through holes in the second multi-wire plug 6 and the fixing threaded holes in the second multi-wire socket 5 in a screwing mode, and the second multi-wire socket 5 is connected with the second multi-wire plug 6 more firmly and not prone to loosening.
The connecting terminal corresponding to each plug column 403 of the first multi-wire plug 4 is connected with one wire 406, that is, 9 plug columns are correspondingly connected with 9 wires 406, the colors of the 9 wires 406 are different and obviously distinguished, the external end part of the wire 406 is provided with a wire number, and the length of the wire 406 can be set according to the actual requirement of a user; similarly, the connecting terminal corresponding to each plug post of the second multi-wire plug 6 is connected with one wire 406, that is, the 6 plug posts are correspondingly connected with 6 wires 406, the 6 wires 406 are different in color and obvious in difference, and the external end of the wire 406 is provided with a wire number.
The terminal box is used for wiring between a current transformer of a transformer substation and an indoor metering device, a measuring device and a protecting device, so that the sectional area of a conductor of an electric wire is not less than 4mm2。
Use of this example:
1) the internal wiring of the terminal box can be finished before the terminal box leaves a 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 wiring terminals of phase lines A, B and C of the current transformer through corresponding wires, and testing 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 protection device which are connected are transported to a transformer substation site and respectively arranged at specified positions;
5) inserting a first multi-wire plug 4 into a corresponding first multi-wire socket 3, inserting a second multi-wire plug 6 into a corresponding second multi-wire socket 5, and connecting and fastening the plugs and the sockets through screws;
6) when the transformation ratio needs to be changed, only the relevant wires need to be changed and connected to the proper wiring terminals on the current wiring terminal row 2, and the operation is convenient and safe.
In the description of the present invention, words such as "inner", "outer", "upper", "lower", "front", "rear", etc., indicating orientations or positional relationships, are used for convenience in describing the present invention, and do not indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular 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, several modifications and decorations can be made without departing from the spirit of the present invention.
Claims (10)
1. A CT terminal box for quick wiring is characterized in that: the multi-wire socket comprises a box body (1), a current terminal block (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 strip (2) is arranged in the box body (1) and is fixed on a back plate of the box body (1);
the number of the 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) for use, namely the number of plug columns of the first multi-wire plug (4) is 9, and each plug column is connected with one wiring terminal;
the number of the first multi-line plugs (4) and the number of the first multi-line sockets (3) are 3, and the 3 first multi-line plugs (4) are respectively connected with wiring terminals of an A phase line, a B phase line and a C phase line of the current transformer through corresponding electric 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) for use, namely the number of plug columns of the second multi-wire plug (6) is 6, and each plug column is connected with one wiring terminal;
the number of the second multi-line plugs (6) is equal to that of the second multi-line sockets (5), the number of the second multi-line plugs is more than or equal to 3, and the 3 second multi-line 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 multi-line socket (3) and the second multi-line socket (5) are connected with the connecting terminals on the current connecting terminal row (2) through corresponding wires.
2. The CT terminal box for quick wiring as recited in claim 1, wherein: 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) in the left side plate is 3, and the number of the through holes (104) in the right side plate is equal to that of the second multi-wire sockets (5); the first multi-line socket (3) and the second multi-line socket (5) respectively comprise mounting flanges, the 3 first multi-line sockets (3) respectively penetrate through holes (104) in the left side plate of the box body (1), and the mounting flanges are fixed on the box body (1) through screws; a plurality of second multi-wire sockets (5) respectively penetrate through holes (104) in the right side plate of the box body (1), and mounting flanges of the second multi-wire sockets are fixed on the box body (1) through screws; the plug hole openings of the first multi-wire socket (3) and the second multi-wire socket (5) are arranged outside the box body (1).
3. The CT terminal box for quick wiring as recited in claim 1, wherein: the box body (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), a fixing hole (106) is formed in the hanging plate (105), and the through hole is used for installing and fixing the box body (1).
4. The CT terminal box for quick wiring as recited in claim 3, wherein: rubber columns (108) are fixedly arranged at four corners of the outer portion of the back plate of the box body (101) of the box body (1) respectively.
5. The CT terminal box for quick wiring as recited in claim 4, wherein: box (1) still includes support column (107), and the center of support column (107) is equipped with the through-hole, and the internal diameter of this through-hole slightly is greater than the internal diameter of fixed orifices (106) on box body (101) top link plate (105), and during the fixed box of installation (1), 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 wiring as recited in claim 1, wherein: a socket number signboard is arranged on the first multi-wire socket (3), and a wire number signboard is arranged at each jack; be equipped with plug number signboard on the multi-thread plug of the first kind (4), every plug post department is equipped with line number signboard.
7. The CT terminal box for quick wiring as recited in claim 1, wherein: a socket number signboard is arranged on the second multi-wire socket (5), and a wire number signboard is arranged at each jack; and plug number identification plates are arranged on the second multi-wire plug (6), and a wire number identification plate is arranged at each plug column.
8. The CT terminal box for quick wiring as recited in claim 1, wherein: a fixing threaded hole is formed in the first multi-wire socket (3), a fixing through hole is formed in the first multi-wire plug (4), after the first multi-wire socket (3) is matched and spliced with the first multi-wire plug (4), a screw passes through the fixing through hole in the first multi-wire plug (4) and is in threaded connection with the fixing threaded hole in the first multi-wire socket (3), so that the first multi-wire socket (3) and the first multi-wire plug (4) are connected more firmly and are not easy to loosen; be equipped with fixed screw hole on the multi-thread socket of the second kind (5), be equipped with fixing hole on the multi-thread plug of the second kind (6), after multi-thread socket of the second kind (5) and the multi-thread plug of the second kind (6) match and peg graft, the screw passes the fixing hole on the multi-thread plug of the second kind (6) and the fixed screw hole spiro union on the multi-thread socket of the second kind (5), makes the connection of multi-thread socket of the second kind (5) and the multi-thread plug of the second kind (6) more firm, difficult not hard up.
9. The CT terminal box for quick wiring as recited in claim 1, wherein: the wiring terminal corresponding to each plug column of the first multi-wire plug (4) is connected with one wire, namely 9 plug columns are correspondingly connected with 9 wires, the colors of the 9 wires are different, and the external end part of each wire is provided with a wire number; the binding post that every plug post of the multi-thread plug of second kind (6) corresponds all is connected with an electric wire, and 6 electric wires are connected to its 6 plug posts correspondence promptly, and the colour diverse of this 6 electric wires, the external tip of electric wire is equipped with the electric wire number.
10. The CT terminal box for quick wiring as claimed in any one of claims 1 to 9, wherein: the conductor sectional area of the wire is not less than 4mm2。
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 |
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| Publication Number | Publication Date |
|---|---|
| CN110648823A true CN110648823A (en) | 2020-01-03 |
| CN110648823B 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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| CN110648823B (en) | 2024-04-26 |
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