CN109904642A - A kind of high temperature resistant arrangements of electric connection and electric connection box - Google Patents
A kind of high temperature resistant arrangements of electric connection and electric connection box Download PDFInfo
- Publication number
- CN109904642A CN109904642A CN201910167060.5A CN201910167060A CN109904642A CN 109904642 A CN109904642 A CN 109904642A CN 201910167060 A CN201910167060 A CN 201910167060A CN 109904642 A CN109904642 A CN 109904642A
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- Prior art keywords
- electric connection
- subpolygon
- conducting wire
- high temperature
- temperature resistant
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- 239000000919 ceramic Substances 0.000 claims abstract description 44
- 238000009413 insulation Methods 0.000 claims abstract description 37
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000002955 isolation Methods 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000011214 refractory ceramic Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Connection Or Junction Boxes (AREA)
- Insulators (AREA)
Abstract
A kind of high temperature resistant arrangements of electric connection of the present invention, including high-temperature insulation base of ceramic, high-temperature insulation base of ceramic includes pedestal and the left and right isolation board for being fixed in pedestal, wire locking device is equipped between the isolation board of left and right, one of left and right isolation board is provided with conducting wire through hole, the side of pedestal is equipped with high-temperature insulation ceramic supporting element, when a fire, two lead locations that intersect, it is mounted on high-temperature insulation ceramic supporting element after the conducting wire softening of top, short circuit will not occur, remain to continue to execute its electric function during fire.
Description
Technical field
The present invention relates to a kind of electric wire connecting boxs, specifically, being related to a kind of high temperature resistant arrangements of electric connection and electrical connection
Case.
Background technique
Electric wire connecting box is transition connection, bridging and the jumper connection for more electric wires, prevents people from entering contact charging member,
External foreign matter is also prevented to fall in junction and generate short circuit in a fire.
In building, the highway and railway engineering of such as bridge and tunnel, safety standard requirement is certain more and more
Circuit remains to continue to execute its electric function during fire, therefore certain functions are retained, such as illumination and security against fire system
System.According to the various criterion to be abided by, the special cable in these circuits must be able to bear heating condition to be up to 950 DEG C and continue two
A hour or longer time.
Through these cables of building, it is necessary to electric current is assigned to different point of use from a main circuit, such as from
For main circuit to each illumination or important equipment, this distribution is by the relief cable from heavy in section leader cable to small cross sections
Branch complete.This is completed in the referred to as equipment of electric wire connecting box.
But existing electric wire connecting box non-refractory is easy to turn between incoherent route under the high temperature conditions,
Cause line short.
Summary of the invention
The present invention overcomes the disadvantages of the prior art, provides a kind of high temperature resistant arrangements of electric connection and electric connection box,
Ensure the continuity of circuit without short circuit.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions:
A kind of high temperature resistant arrangements of electric connection, including high-temperature insulation base of ceramic, high-temperature insulation base of ceramic include pedestal and
It is fixed in the left and right isolation board of pedestal, is equipped with wire locking device between the isolation board of left and right, one of left and right isolation board is provided with conducting wire
The side of through hole, pedestal is equipped with high-temperature insulation ceramic supporting element.
Further, wire locking device includes main traverse line locking device and subpolygon locking device, main traverse line locking device
It locks the leading electric wire that two are located in a straight line to form main traverse line, subpolygon locking device is electric by subpolygon and main traverse line
Connection, subpolygon locking device is located above main traverse line locking device, between main traverse line locking device and subpolygon locking device
It is conductively connected by connection sheet.
Further, main traverse line locking device includes conducting wire locking upper clip and conducting wire locking lower clamping piece, subpolygon locking dress
It sets and locks fixture under saddle upper fixture and conducting wire locking saddle including conducting wire, conducting wire locks upper clip or conducting wire locks lower clamping piece
Affixed with connection sheet, it is affixed that conducting wire locks fixture and connection sheet under saddle upper fixture or conducting wire locking saddle.
Further, mounting bracket is equipped with below pedestal.
Further, conducting wire locking lower clamping piece passes through the mounting bracket of the affixed metal of ground wire screw.
Further, high-temperature insulation ceramic supporting element upper outside is provided with support slot, and lower part forms conducting wire and passes through hole.
Further, side channel is provided on the outside of high-temperature insulation ceramic supporting element side.
Further, high-temperature insulation ceramic supporting element further includes the arc groove for being used to support conducting wire, and arc groove is set to pedestal
Side, conducting wire pass through hole and are fastened on above arc groove.
A kind of high temperature resistant electric connection box, including housing main body and casing cover, housing main body and casing cover form an accommodating cavity,
At least two main traverse lines pass through housing main body, and at least one subpolygon is electrically connected with a main traverse line, subpolygon and main traverse line position
In on different level, and intersect across other main traverse lines, in the accommodating cavity, will be dominated using high temperature resistant arrangements of electric connection
Line and subpolygon electrical connection, subpolygon with its across main traverse line between there are spaces or subpolygon to be electrically connected by high temperature resistant
The refractory ceramics supporting element of device is equipped with independent high-temperature insulation ceramic supporting element.
Further, housing main body is equipped with through-hole, and by the fixed ceramic ring of nut, main traverse line and subpolygon are each passed through through-hole
Ceramic ring.
Compared with prior art, the beneficial effects of the present invention are:
A kind of high temperature resistant arrangements of electric connection of the present invention, including high-temperature insulation base of ceramic, high-temperature insulation base of ceramic
Including pedestal and the left and right isolation board for being fixed in pedestal, be equipped with wire locking device between the isolation board of left and right, left and right isolation board it
One is provided with conducting wire through hole, and the side of pedestal is equipped with high-temperature insulation ceramic supporting element, when a fire, two conducting wires that intersect
Position, top conducting wire softening after be mounted on high-temperature insulation ceramic supporting element, short circuit will not occur, remained to during fire after
It is continuous to execute its electric function.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and is used to explain the present invention together with embodiments of the present invention,
It is not construed as limiting the invention, in the accompanying drawings:
Fig. 1 is a kind of high temperature resistant arrangements of electric connection decomposition chart of embodiment 1；
Fig. 2 is a kind of top view of high temperature resistant arrangements of electric connection of embodiment 1；
Fig. 3 is the cross-sectional view of the position A-A of Fig. 2；
Fig. 4 is a kind of three-dimensional structure diagram of high temperature resistant electric connection box of embodiment 1；
Fig. 5 is the structural schematic diagram that the casing cover of embodiment 1 is opened；
Fig. 6 is open the top view of high temperature resistant electric connection box；
Fig. 7 is the decomposition chart of independent high-temperature insulation ceramic supporting element；
Fig. 8 is the independent high-temperature insulation ceramic supporting element structural schematic diagram that main traverse line and subpolygon pass through；
Fig. 9 is a kind of high temperature resistant arrangements of electric connection decomposition chart of embodiment 2；
Figure 10 is a kind of top view of high temperature resistant arrangements of electric connection of embodiment 2；
Figure 11 is the cross-sectional view of the position B-B of Figure 10；
Figure 12 is the three-dimensional structure diagram of the high temperature resistant electric connection box of another threading structure；
Figure 13 is the structural schematic diagram that Figure 12 casing cover is opened；
Figure 14 is the top view for the high temperature resistant electric connection box that Figure 12 is opened；
In figure, 1 --- high-temperature insulation base of ceramic；2 --- pedestal；
3 --- left and right isolation board；4 --- wire locking device；
5 --- conducting wire through hole；6 --- high-temperature insulation ceramic supporting element；
7 --- main traverse line locking device；8 --- subpolygon locking device；
9 --- leading electric wire；10 --- main traverse line；
11 --- subpolygon；12 --- connection sheet；
13 --- independent high-temperature insulation ceramic supporting element；14 --- conducting wire locks upper clip；
15 --- conducting wire locks lower clamping piece；16 --- conducting wire locks saddle upper fixture；
17 --- conducting wire locks fixture under saddle；18 --- mounting bracket；
19 --- spring shim；20 --- ground wire screw；
21 --- support slot；22 --- side channel；
23 --- conducting wire passes through hole；24 --- arc groove；
25 --- housing main body；26 --- casing cover；
27 --- accommodating cavity；28 --- through-hole；
29 --- nut；30 --- ceramic ring；
31 --- screw.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment 1:
It is high refering to fig. 1 to Fig. 8, a kind of high temperature resistant arrangements of electric connection of the present invention, including high-temperature insulation base of ceramic 1
Warm insulating ceramic base 1 includes pedestal 2 and the left and right isolation board 3 for being fixed in pedestal 2, is equipped with conducting wire between left and right isolation board 3 and locks
Tight device 4, one of left and right isolation board 3 are provided with conducting wire through hole 5, and the side of pedestal 2 is equipped with high-temperature insulation ceramic supporting element 6.
Wire locking device 4 includes main traverse line locking device 7 and subpolygon locking device 8, and main traverse line locking device 7 is by two
The locking of leading electric wire 9 that root is located in a straight line is electrically connected to form main traverse line 10, and subpolygon locking device 8 is by 11 He of subpolygon
Main traverse line 10 is electrically connected, and subpolygon locking device 8 is located at 7 top of main traverse line locking device, main traverse line locking device 7 and subpolygon
It is conductively connected between locking device 8 by connection sheet 12, subpolygon 11 is located at the top of main traverse line 10, not in approximately the same plane
On, so that can keep certain height each other between the conducting wire intersected, and then using the refractory ceramics branch of high temperature resistant arrangements of electric connection
Support member is equipped with independent high-temperature insulation ceramic supporting element 13.
Main traverse line locking device 7 includes conducting wire locking upper clip 14 and conducting wire locks lower clamping piece 15, and conducting wire locks lower clamping piece
15 are fixed in pedestal 2 using two screws 31, and main traverse line cable is clamped with four screws 31, and subpolygon locking device 8 includes leading
Line locks fixture 17 under saddle upper fixture 16 and conducting wire locking saddle, and conducting wire is locked upper clip 14 and locked by connection sheet 12 and conducting wire
Fixture 17 is affixed under tight saddle, and two screws 31 of subpolygon cable are clamped, and during fire, cable be may be damaged
Or bending.In order to mitigate these risks, using this structure, wire locking device is by the main traverse line on two different levels
It is engaged between 10 and subpolygon 11.
By the affixed mounting bracket 18 of screw 31 below pedestal 2, mounting bracket 18 be securable to high temperature resistant electric connection box or
On person's wall, the conducting wire locking one of mounting hole of lower clamping piece 15 is slightly to reduce, and use one is with spring shim 19
Then longer ground wire screw 3120 should which ensure that conducting wire locking lower clamping piece 15 is in electrical contact the mounting bracket 18 of metal
The high temperature resistant electric connection box of mounting bracket 18 and metal is electrically connected earth conductor.
6 top of high-temperature insulation ceramic supporting element is provided with support slot 21, and side channel 22 is provided on the outside of side, and lower part forms conducting wire and wears
Via hole 23, conducting wire through hole 5 are the lateral opening of a side opening, and subpolygon 11 is passed through from conducting wire through hole 5, high-temperature insulation ceramic support
Part 6 further includes the arc groove 24 for being used to support conducting wire, and arc groove 24 is set to the side of pedestal 2, and conducting wire passes through hole 23 and is fastened on arc
24 top of shape slot, main traverse line 10 pass through hole 23 from conducting wire and pass through, and when subpolygon 11 softens at high temperature, auxiliary conductor rides over support
On slot 21 and side channel 22, prevents conductive contact intersected with each other to be electrically connected, cause short circuit.
A kind of high temperature resistant electric connection box, including housing main body 25 and casing cover 26, housing main body 25 and casing cover 26 are by closing
The affixed composition of screw 31 is closed, is made of steel, stainless steel or other metals or refractory material, 26 shape of housing main body 25 and casing cover
At an accommodating cavity 27, first function is to prevent from entering contact charging member, and second function is to prevent external foreign matter from falling
Connecting position of wires is fallen in, and generates short circuit in a fire, more main traverse lines 10 pass through housing main body 25, a subpolygon 11 and one
Root main traverse line 10 is electrically connected, and subpolygon 11 and main traverse line 10 are located on different level, and intersection is across other main traverse lines 10,
In accommodating cavity 27, main traverse line 10 and subpolygon 11 are electrically connected using high temperature resistant arrangements of electric connection, the guarantor for electrically connecting position
Shield, subpolygon 11 and its across main traverse line 10 between there are the height that space or subpolygon 11 pass through high temperature resistant arrangements of electric connection
Warm ceramic supporting element is equipped with independent high-temperature insulation ceramic supporting element 13.
Independent high-temperature insulation ceramic supporting element 13 can use in conductor place each of intersected with each other, or only certain
Selected infall uses, and prevents from contacting with each other under high temperature and conductive.The refractory ceramics supporting element of high temperature resistant arrangements of electric connection and
The function of independent high-temperature insulation ceramic supporting element 13 be prevent high temperature lower conductor from contacting and short circuit, even if they are bent, and
Even if their electric insulation layer has been damaged, which still assures that conductor is maintained at all directions and is worked normally.
Housing main body 25 is equipped with through-hole 28, and through-hole 28 passes through the fixed ceramic ring 30 of nut 29, main traverse line 10 and subpolygon 11
It is each passed through ceramic ring 30, in case of fire, if conductor bends or the damage of its electric insulation, can avoid in conductor and shell
Electric short circuit is generated between main body 25.
A kind of high temperature resistant arrangements of electric connection can design, and subpolygon 11 is made to export to the right or to the left side
Embodiment 2:
The present embodiment is roughly the same with the technical solution of embodiment 1, and something in common repeats no more, and difference is:
Refering to Fig. 9 to Figure 11, by two affixed mounting brackets 18 of screw 31 below pedestal 2, without ground wire screw is arranged
3120 carry out wired earth.
Refering to fig. 12 to Figure 14, in terminal box in the case that a branch is divided into two groups of circuits, high temperature resistant to be electrically connected
Connection device can be double, can place two high temperature resistant arrangements of electric connections on main traverse line 10, a connection of main traverse line 10 two
Root subpolygon 11.
Finally, it should be noted that these are only the preferred embodiment of the present invention, it is not intended to restrict the invention, although
Referring to embodiment, invention is explained in detail, for those skilled in the art, still can be to aforementioned
Technical solution documented by each embodiment is modified or equivalent replacement of some of the technical features, but it is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of high temperature resistant arrangements of electric connection, which is characterized in that including high-temperature insulation base of ceramic, high-temperature insulation base of ceramic packet
Pedestal and the left and right isolation board for being fixed in pedestal are included, is equipped with wire locking device, one of left and right isolation board between the isolation board of left and right
It is provided with conducting wire through hole, the side of pedestal is equipped with high-temperature insulation ceramic supporting element.
2. a kind of high temperature resistant arrangements of electric connection according to claim 1, which is characterized in that wire locking device includes main traverse line
Locking device and subpolygon locking device, main traverse line locking device lock the leading electric wire that two are located in a straight line to be formed
Subpolygon and main traverse line are electrically connected by main traverse line, subpolygon locking device, and subpolygon locking device is located at main traverse line locking device
Top is conductively connected between main traverse line locking device and subpolygon locking device by connection sheet.
3. a kind of high temperature resistant arrangements of electric connection according to claim 2, which is characterized in that main traverse line locking device includes conducting wire
It locks upper clip and conducting wire locks lower clamping piece, subpolygon locking device includes conducting wire locking saddle upper fixture and conducting wire locking saddle
Lower fixture, conducting wire locking upper clip perhaps lock saddle upper fixture with the affixed conducting wire of connection sheet or lead by conducting wire locking lower clamping piece
It is affixed that line locks fixture and connection sheet under saddle.
4. a kind of high temperature resistant arrangements of electric connection according to claim 1, which is characterized in that be equipped with mounting bracket below pedestal.
5. a kind of high temperature resistant arrangements of electric connection according to claim 4, which is characterized in that conducting wire locking lower clamping piece passes through ground wire
The mounting bracket of the affixed metal of screw.
6. a kind of high temperature resistant arrangements of electric connection according to claim 1, which is characterized in that high-temperature insulation ceramic supporting element top
Outside is provided with support slot, and lower part forms conducting wire and passes through hole.
7. a kind of high temperature resistant arrangements of electric connection according to claim 6, which is characterized in that high-temperature insulation ceramic supporting element side
Outside is provided with side channel.
8. a kind of high temperature resistant arrangements of electric connection according to claim 6, which is characterized in that high-temperature insulation ceramic supporting element also wraps
The arc groove for being used to support conducting wire is included, arc groove is set to the side of pedestal, and conducting wire passes through hole and is fastened on above arc groove.
9. a kind of high temperature resistant electric connection box, including housing main body and casing cover, housing main body and casing cover form an accommodating cavity,
Be characterized in that, at least two main traverse lines pass through housing main body, and at least one subpolygon is electrically connected with a main traverse line, subpolygon and
Main traverse line is located on different level, and intersects across other main traverse lines, in the accommodating cavity, using claim 1 to 8 times
Main traverse line and subpolygon are electrically connected by high temperature resistant arrangements of electric connection of anticipating, subpolygon and its across main traverse line between there are skies
Between or subpolygon by the refractory ceramics supporting element of high temperature resistant arrangements of electric connection or be equipped with independent high-temperature insulation ceramic support
Part.
10. a kind of high temperature resistant electric connection box according to claim 9, which is characterized in that housing main body is equipped with through-hole, and through-hole is logical
The fixed ceramic ring of nut is crossed, main traverse line and subpolygon are each passed through ceramic ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167060.5A CN109904642B (en) | 2019-03-06 | 2019-03-06 | High temperature resistant electric connection device and electric connection box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167060.5A CN109904642B (en) | 2019-03-06 | 2019-03-06 | High temperature resistant electric connection device and electric connection box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109904642A true CN109904642A (en) | 2019-06-18 |
| CN109904642B CN109904642B (en) | 2024-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910167060.5A Active CN109904642B (en) | 2019-03-06 | 2019-03-06 | High temperature resistant electric connection device and electric connection box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109904642B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117498052A (en) * | 2023-12-25 | 2024-02-02 | 国网山东省电力公司淄博供电公司 | Power cable connecting piece |
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2019
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| CN117498052B (en) * | 2023-12-25 | 2024-04-02 | 国网山东省电力公司淄博供电公司 | Power cable connecting piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109904642B (en) | 2024-04-30 |
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