CN106356799A - Rear plugging type separable connector and processing method thereof - Google Patents
Rear plugging type separable connector and processing method thereof Download PDFInfo
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- CN106356799A CN106356799A CN201610963671.7A CN201610963671A CN106356799A CN 106356799 A CN106356799 A CN 106356799A CN 201610963671 A CN201610963671 A CN 201610963671A CN 106356799 A CN106356799 A CN 106356799A
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- separable connector
- loading type
- rear loading
- type separable
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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
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
Abstract
The invention provides a rear plugging type separable connector and a processing method thereof. The rear plugging type separable connector comprises an outer semiconductor layer, a main insulating layer, an inner semiconductor layer and a high-voltage shielding layer, wherein a first cavity and a second cavity are formed in the main insulating layer; the high-voltage shielding layer is arranged in the first cavity; the inner semiconductor layer is arranged in the second cavity; the outer semiconductor layer is fixedly connected with the outer side of the main insulating layer; a first fixed connecting part is formed by an end part of the outer semiconductor layer; an embedding fixing structure is formed between the first fixed connecting part and the main insulating layer; a first inserting match surface on the first fixed connecting part is exposed on the exterior of the main insulating layer. The rear plugging type separable connector is used together with a front plugging type separable connector, so that the connecting quantity of the cable can be expanded. After the rear plugging type separable connector is put into use, the maximal electric field intensity is concentrated in the rear plugging type separable connector, so that the electric field intensity on the matching surface connected with the connector is greatly reduced and the use safety and reliability of the rear plugging type separable connector both are greatly increased.
Description
Technical field
The present invention relates to power equipment and cable interconnective separable connector technical field, especially relate to one kind
Rear loading type separable connector and its processing method.
Background technology
In power equipment actual motion, a power equipment generally requires to be connected with a plurality of cable, and power equipment
Can achieve that it is connected with extension during cable connection by separable connector.
Described separable connector generally includes front inserting separable connector and rear loading type separable connector, passes through
Rear loading type separable connector is used cooperatively with front inserting separable connector, can be with the connection number of expansion cable and power equipment
Amount, realizes two or more cable and the connection of power equipment.For existing rear loading type separable connector, its
During use, after cable power-on voltage is increased to certain grade, separable connector product often occurs breakdown existing
As thus leading to the inefficacy of rear loading type separable connector, and then making the stability of electric power distribution and reliability cannot ensure.
Therefore, shelf depreciation and the industrial frequency withstand voltage performance of rear loading type separable connector how are lifted, to ensure the separable company of rear loading type
Connect the usage safety performance of device class product, just become rear loading type separable connector class product manufacturing enterprise and be badly in need of asking of solution
Topic.
Content of the invention
The technical problem to be solved in the present invention is: the problem existing for prior art, provides a kind of rear loading type separable
Adapter and its processing method, to lift safety in utilization, the reliability of rear loading type separable connector product.
The technical problem to be solved in the present invention employs the following technical solutions to realize: a kind of rear loading type separable connector,
Including outer semiconducting layer, main insulating layer and interior semi-conductive layer and high voltage shield, formed in main insulating layer the first die cavity and
Second die cavity, setting high voltage shield in described first die cavity, semi-conductive layer in described Second-Type intracavity setting, in main insulating layer
Outside is fixedly connected outer semiconducting layer, and described outer semiconducting layer end forms first and is fixedly connected portion, and described first is fixedly connected
Form interlocking fixed structure between portion and main insulating layer, and first the first grafting mating surface being fixedly connected in portion exposes to master absolutely
Edge layer.
Preferably, the interlocking end face that the first of described outer semiconducting layer end is fixedly connected portion is arc-shaped structure.
Preferably, the first grafting mating surface on described outer semiconducting layer is cone structure.
Preferably, the length of the first grafting mating surface on described outer semiconducting layer is 5mm-15mm.
Preferably, described outer semiconducting layer is formed spacing preiection, described spacing preiection is fixedly connected between portion with first
Form first order ledge structure, and form second level ledge structure and the visible body portion of outer semiconducting layer between.
Preferably, described outer semiconducting layer opens up hole for injecting glue.
Preferably, described interior semi-conductive layer forms second and be fixedly connected portion, described second is fixedly connected portion and major insulation
Form interlocking fixed structure between layer, and the second interlocking end face being fixedly connected portion is arc-shaped structure.
Preferably, described interior semi-conductive layer forms the first cable auxiliary section and the second cable auxiliary section, and described first
The maximum outside diameter of cable auxiliary section is less than the maximum outside diameter of described second cable auxiliary section.
A kind of processing method of rear loading type separable connector, described rear loading type separable connector is as claim 1-
Rear loading type separable connector described in 8 any one, its processing method comprises the steps:
1st step, forms the high voltage shield of sleeve structure using semi-conductive rubber material and by preforming mode；
2nd step, high voltage shield is socketed in the first mold cavity forming plug for forming the first die cavity；
3rd step, interior semi-conductive layer is put in outer semiconducting layer inner chamber, and interior semi-conductive layer is overall with outer semiconducting layer
It is socketed in the second die cavity forming core rod for forming the second die cavity, described outer semiconducting layer opens up hole for injecting glue；
4th step, the assemble first mold cavity forming plug, the second die cavity forming core rod are put into the separable company of rear loading type
Connect in the mold cavity of device；
5th step, is injected absolutely by the hole for injecting glue on outer semiconducting layer into the mold cavity of rear loading type separable connector
Edge rubber mass, after being heating and curing, forms main insulating layer.
A kind of processing method of rear loading type separable connector, described rear loading type separable connector is as claim 1-
Rear loading type separable connector described in 8 any one, its processing method comprises the steps:
1st step, interior semi-conductive layer is put in outer semiconducting layer inner chamber, and interior semi-conductive layer is overall with outer semiconducting layer
It is socketed in the second die cavity forming core rod for forming the second die cavity, described outer semiconducting layer opens up hole for injecting glue；
2nd step, the first mold cavity forming plug being used for forming the first die cavity, the second die cavity forming core rod assembling are put
Enter in the mold cavity of rear loading type separable connector；
3rd step, is injected absolutely by the hole for injecting glue on outer semiconducting layer into the mold cavity of rear loading type separable connector
Edge rubber mass, after being heating and curing, forms main insulating layer；
4th step, opens rear loading type separable connector mould, takes out the rear loading type separable connector semi-finished product shaping；
5th step, sprays semi-conductive rubber material on the first die cavity inwall on rear loading type separable connector semi-finished product,
After being heating and curing, form high voltage shield.
Compared with prior art, the invention has the beneficial effects as follows: come into operation this rear loading type separable connector is actual
During, due to its maximum field intensity concentrate on this rear loading type separable connector internal so that at connected mating surface
Electric field intensity be greatly reduced, so that the shelf depreciation of rear loading type separable connector product and industrial frequency withstand voltage grade are all able to
Correspondingly significantly lifted, and then improve the safety in utilization of rear loading type separable connector, reliability；In addition, the present invention
Rear loading type separable connector use cooperatively with front inserting separable connector, the cable being connected with power equipment can be extended
Connect quantity, realize two or more cable and the connection of power equipment.
Brief description
Fig. 1 is a kind of structural map (sectional view) of present invention rear loading type separable connector.
Fig. 2 is the structural representation (sectional view) of the outer semiconducting layer in Fig. 1.
Fig. 3 is the structural representation (sectional view) of the interior semi-conductive layer in Fig. 1.
In figure labelling: 1- outer semiconducting layer, 2- main insulating layer, semi-conductive layer in 3-, 4- high voltage shield, 11- first is solid
Determine connecting portion, 12- the first grafting mating surface, 13- spacing preiection, 14- visible body portion, 15- hole for injecting glue, 16- connects lug,
17- through hole, 21- first die cavity, 22- second die cavity, 31- second is fixedly connected portion, 32- the first cable auxiliary section, 33- second electricity
Cable auxiliary section.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with the accompanying drawings and be embodied as
The present invention is described in detail for example.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, not
For limiting the present invention.
Rear loading type separable connector as shown in Figure 1, including outer semiconducting layer 1, main insulating layer 2 and interior semi-conductive layer
3 and high voltage shield 4, described outer semiconducting layer 1, interior semi-conductive layer 3, high voltage shield 4 are typically with resistivity 10
ωcm-104Semi-conductive rubber materials processing in the range of ω cm forms, and the thickness of outer semiconducting layer 1 therein is designed as
4.05mm-5.05mm.Described main insulating layer 2 is formed as male-tapered structure in the left end of rear loading type separable connector product, removes
Outside the main insulating layer 2 of this male-tapered structure division, the outer surface of the main insulating layer 2 of remainder coated outer semiconducting layer
1, described outer semiconducting layer 1 end forms first and is fixedly connected portion 11, described first be fixedly connected portion 11 and main insulating layer 2 it
Between form interlocking fixed structure, and first the first grafting mating surface 12 being fixedly connected in portion 11 exposes to main insulating layer 2.Described
Main insulating layer 2 is internally formed the first die cavity 21 of conical cavity structure and the second die cavity 22 of cylindrical cavity structure, in the first type
Setting high voltage shield 4 in chamber 21, semi-conductive layer 3 in setting in the second die cavity 22.Described outer semiconducting layer 1, interior partly lead
Electric layer 3, high voltage shield 4 are linked into an integrated entity with main insulating layer 2 solidification respectively, and the right-hand member of described high voltage shield 4 is partly led with interior
Electric layer 3 mutually overlaps, and forms current path.
Above-mentioned rear loading type separable connector during actual coming into operation, high voltage shield 4 therein and interior half
Conductive layer 3 is contacted with high voltage, and its effect is that shielding is in connection conductor and cable within rear loading type separable connector
Gap discharge when being connected with rear loading type separable connector.Because maximum field intensity concentrates on the separable company of this rear loading type
Connect device inside so that the electric field intensity at connected mating surface is greatly reduced, so that rear loading type separable connector product
Shelf depreciation and industrial frequency withstand voltage grade be all able to correspondingly significantly be lifted, this improves rear loading type separable connector
Safety in utilization, reliability.When this rear loading type separable connector is used cooperatively with front inserting separable connector, also may be used
To extend the cable connection quantity being connected with power equipment, realize two or more cable and the connection of power equipment.
In order to ensure rear loading type separable connector and front inserting separable connector with the use of when installation positioning
Accurately, reliable, spacing preiection 13 can be formed on outer semiconducting layer 1, described spacing preiection 13 is fixedly connected portion 11 with first
Between form first order ledge structure, and, described spacing preiection 13 shape also and the visible body portion 14 of outer semiconducting layer 1 between
Become second level ledge structure, as shown in Figure 1 and Figure 2.Further, the first of described outer semiconducting layer 1 end is fixedly connected portion 11
Interlocking end face can be designed as arc-shaped structure, described first is fixedly connected the transition part between portion 11 and spacing preiection 13
Intermediate location between position, described spacing preiection 13 and visible body portion 14 also forms circular arc transition structure respectively；Described interior
Form second on semi-conductive layer 3 and be fixedly connected portion 31, described second is fixedly connected formation between portion 31 and main insulating layer 2 rabbets admittedly
Fixed structure, and the second interlocking end face being fixedly connected portion 31 is designed as arc-shaped structure, as shown in figure 1, after to be effectively prevented
Slotting formula separable connector produces corner discharge phenomenon in use, it is to avoid it lost efficacy because breakdown.
As shown in figure 1, the first grafting mating surface 12 on described outer semiconducting layer 1 can be designed as cone structure, preferably
Ground, described first grafting mating surface 12 is consistent with the taper design of the male-tapered structure of main insulating layer 2 left end, so that after this
The inserted terminal mating surface of slotting formula separable connector is formed as smooth cone structure.Using such structure design, on the one hand
The grafting between rear loading type separable connector and front inserting separable connector can be made easier for installation, on the other hand
May insure that rear loading type separable connector and the residual air of front inserting separable connector matching part are discharged completely, with
The matching part being effectively prevented rear loading type separable connector with front inserting separable connector produces because residual bubble
Raw atmospherical discharges phenomenon, such that it is able to ensure the use of rear loading type separable connector, front inserting separable connector well
Safe and reliable, be conducive to improving rear loading type separable connector, the service life of front inserting separable connector.In addition, as schemed
Shown in 2, the lower body portions of described outer semiconducting layer 1 are formed with two outwardly and symmetrical connection lug
16, open up through hole 17 on connecting lug 16, so that this rear loading type separable connector can be by connecting lug 16, through hole 17
To easily form ground state, so that outer semiconducting layer 1 is zero potential, therefore so that this rear loading type separable connector
Surface-discharge will not be produced, improve safety in utilization, the reliability of rear loading type separable connector.
As shown in figure 3, the first cable auxiliary section 32 and the second cable auxiliary section are formed with described interior semi-conductive layer 3
33, and the maximum outside diameter of described first cable auxiliary section 32 is less than the maximum outside diameter of described second cable auxiliary section 33, adopts
Such structure design, both can strengthen the consolidation reliability between interior semi-conductive layer 3 and main insulating layer 2, be simultaneously also beneficial to
Increase creep age distance when rear loading type separable connector uses, prevent from leading to rear loading type can divide because producing over-discharge phenomenon
From the punch through damage of adapter, to improve the service life of rear loading type separable connector.
Rear loading type separable connector for 35kv and following electric pressure is although can not need in outer semi-conductive layer
Arrange spacing preiection 13 on 1 to form first order ledge structure, but, after voltage is increased to more than 35kv level, rear loading type
Separable connector product is often breakdown in this region.For this reason, the first grafting mating surface 12 on described outer semiconducting layer 1
Length be preferably 5mm-15mm, as shown in Figure 1.If the length of this first grafting mating surface 12 is more than 15mm, on the one hand make
Become the extended length of rear loading type separable connector, lead to its cost correspondingly to increase, on the other hand also result in creep age distance not
Enough, thus easily producing electric discharge phenomena, and then it is easily caused the punch through damage of rear loading type separable connector.If this first insert
The length connecing mating surface 12 is less than 5mm, then in the grafting cooperation of rear loading type separable connector and front inserting separable connector
Position easily remains bubble, thus lead to atmospherical discharges phenomenon produce, also be unfavorable for ensure rear loading type separable connector, front insert
The safety in utilization of formula separable connector, reliability.Form first order ledge structure by arranging spacing preiection 13, and outward
After the length of the first grafting mating surface 12 on semi-conductive layer 1 is set to 5mm-15mm, after tested, this rear loading type is detachably connectable
The breakdown voltage of device product can be promoted to 117kv/5min, and its shelf depreciation can reach electric discharge under 48kv and is less than 5pc.Therefore,
Safety in utilization, stability and the reliability of rear loading type separable connector product can effectively be lifted.
The rear loading type separable connector of the present invention can be manufactured using following processing method, its specific processing side
Method comprises the steps:
1st step, forms the high voltage shield 4 of sleeve structure using semi-conductive rubber material and by preforming mode, this
The preforming mode at place, direct injecting glue typically using special ferrule mold and in mold cavity and form sleeve structure
High voltage shield 4.
2nd step, high voltage shield 4 is socketed in the first mold cavity forming plug for forming the first die cavity 21.
3rd step, interior semi-conductive layer 3 is put in outer semiconducting layer 1 inner chamber, and by interior semi-conductive layer 3 and outer semiconducting layer 1
The entirety combining is socketed in the second die cavity forming core rod for forming the second die cavity 22, on the top of outer semiconducting layer 1
Portion is further opened with a cylindrical empty accent as hole for injecting glue 15, as shown in Figure 1 and Figure 2.
4th step, the assemble first mold cavity forming plug, the second die cavity forming core rod are put into the separable company of rear loading type
Connect in the mold cavity of device；
5th step, is injected into the mold cavity of rear loading type separable connector by the hole for injecting glue 15 on outer semiconducting layer 1
Electro-insulating rubber material, after being heating and curing, forms main insulating layer 2.
Finally, open the mold cavity of rear loading type separable connector, take out the rear loading type separable connector after molding
Product.It should be noted that in above-mentioned 1st step, in order to prevent the note in the 5th step for the high voltage shield 4 of sleeve structure
There is gross distortion during glue because being excessively heated, preferably the forming thickness of high voltage shield 4 is designed as 2mm-4mm.
The rear loading type separable connector of the present invention, it would however also be possible to employ following processing method is manufactured, and it is specific
Processing method comprises the steps:
1st step, interior semi-conductive layer 3 is put in outer semiconducting layer 1 inner chamber, and by interior semi-conductive layer 3 and outer semiconducting layer 1
The entirety combining is socketed in the second die cavity forming core rod for forming the second die cavity 22, described outer semiconducting layer 1
On open up hole for injecting glue 15.
2nd step, will be used for the first mold cavity forming plug forming the first die cavity 21, the second die cavity forming core rod assembling
Put in the mold cavity of rear loading type separable connector.
3rd step, is injected into the mold cavity of rear loading type separable connector by the hole for injecting glue 15 on outer semiconducting layer 1
Electro-insulating rubber material, after being heating and curing, forms main insulating layer 2.
4th step, opens rear loading type separable connector mould, takes out the rear loading type separable connector semi-finished product shaping.
5th step, sprays semi-conductive rubber material on the first die cavity 21 inwall on rear loading type separable connector semi-finished product
Material, after being heating and curing, forms high voltage shield 4.Because high voltage shield 4 is to be formed using spraying method, it does not exist because of mistake
Degree is heated and the problem of gross distortion occurs, therefore, during using this processing method, for high voltage shield 4 coating thickness no
Special requirement, typically meet the technological requirement thickness of below 1mm.
To manufacture the rear loading type separable connector product of the present invention using two kinds of above-mentioned processing methods, not only can carry
The production efficiency of high rear loading type separable connector product, can also significantly reduce its production cost, so that rear loading type can
The application cost of separate connector product also correspondingly reduces.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention it is noted that all
Any modification, equivalent and improvement of being made within the spirit and principles in the present invention etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
1. a kind of rear loading type separable connector, including outer semiconducting layer (1), main insulating layer (2) and interior semi-conductive layer (3) and
High voltage shield (4), forms the first die cavity (21) and the second die cavity (22), described first die cavity (21) in main insulating layer (2)
Interior setting high voltage shield (4), semi-conductive layer (3) in setting in described second die cavity (22), fixing outside main insulating layer (2)
Connect outer semiconducting layer (1) it is characterised in that: described outer semiconducting layer (1) end forms first and is fixedly connected portion (11), described
First is fixedly connected formation interlocking fixed structure between portion (11) and main insulating layer (2), and first is fixedly connected in portion (11)
First grafting mating surface (12) exposes to main insulating layer (2).
2. a kind of rear loading type separable connector according to claim 1 it is characterised in that: described outer semiconducting layer (1)
The interlocking end face that the first of end is fixedly connected portion (11) is arc-shaped structure.
3. a kind of rear loading type separable connector according to claim 1 it is characterised in that: described outer semiconducting layer (1)
On the first grafting mating surface (12) be cone structure.
4. a kind of rear loading type separable connector according to claim 3 it is characterised in that: described outer semiconducting layer (1)
On the first grafting mating surface (12) length be 5mm-15mm.
5. a kind of rear loading type separable connector according to any one of claim 1-4 it is characterised in that: described outer partly lead
Electric layer (1) is upper to form spacing preiection (13), and described spacing preiection (13) is fixedly connected the formation first order between portion (11) with first
Ledge structure, and form second level ledge structure and the visible body portion (14) of outer semiconducting layer (1) between.
6. a kind of rear loading type separable connector according to any one of claim 1-4 it is characterised in that: described outer half
Hole for injecting glue (15) is opened up on conductive layer (1).
7. a kind of rear loading type separable connector according to any one of claim 1-4 it is characterised in that: described interior partly lead
Electric layer (3) is upper to be formed second and is fixedly connected portion (31), described second be fixedly connected formed between portion (31) and main insulating layer (2) embedding
Connect fixed structure, and the second interlocking end face being fixedly connected portion (31) is arc-shaped structure.
8. a kind of rear loading type separable connector according to claim 7 it is characterised in that: described interior semi-conductive layer (3)
Upper formation the first cable auxiliary section (32) and the second cable auxiliary section (33), and the maximum of described first cable auxiliary section (32) is outer
Footpath is less than the maximum outside diameter of described second cable auxiliary section (33).
9. a kind of processing method of rear loading type separable connector it is characterised in that: described rear loading type separable connector be as
Rear loading type separable connector described in any one of claim 1-8, its processing method comprises the steps:
1st step, forms the high voltage shield (4) of sleeve structure using semi-conductive rubber material and by preforming mode；
2nd step, high voltage shield (4) is socketed in the first mold cavity forming plug for forming the first die cavity (21)；
3rd step, interior semi-conductive layer (3) is put in outer semiconducting layer (1) inner chamber, and by interior semi-conductive layer (3) and outer semiconductive
Layer (1) is integrally socketed in the second die cavity forming core rod for forming the second die cavity (22), and described outer semiconducting layer (1) is opened
If hole for injecting glue (15)；
4th step, the assemble first mold cavity forming plug, the second die cavity forming core rod are put into rear loading type separable connector
Mold cavity in；
5th step, is injected into the mold cavity of rear loading type separable connector by the hole for injecting glue (15) on outer semiconducting layer (1)
Electro-insulating rubber material, after being heating and curing, forms main insulating layer (2).
10. a kind of processing method of rear loading type separable connector it is characterised in that: described rear loading type separable connector be as
Rear loading type separable connector described in any one of claim 1-8, its processing method comprises the steps:
1st step, interior semi-conductive layer (3) is put in outer semiconducting layer (1) inner chamber, and by interior semi-conductive layer (3) and outer semiconductive
Layer (1) is integrally socketed in the second die cavity forming core rod for forming the second die cavity (22), and described outer semiconducting layer (1) is opened
If hole for injecting glue (15)；
2nd step, will be used for the first mold cavity forming plug forming the first die cavity (21), the second die cavity forming core rod assembling is put
Enter in the mold cavity of rear loading type separable connector；
3rd step, is injected into the mold cavity of rear loading type separable connector by the hole for injecting glue (15) on outer semiconducting layer (1)
Electro-insulating rubber material, after being heating and curing, forms main insulating layer (2)；
4th step, opens rear loading type separable connector mould, takes out the rear loading type separable connector semi-finished product shaping；
5th step, sprays semi-conductive rubber material on the first die cavity (21) inwall on rear loading type separable connector semi-finished product,
After being heating and curing, form high voltage shield (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610963671.7A CN106356799A (en) | 2016-10-28 | 2016-10-28 | Rear plugging type separable connector and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610963671.7A CN106356799A (en) | 2016-10-28 | 2016-10-28 | Rear plugging type separable connector and processing method thereof |
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| CN106356799A true CN106356799A (en) | 2017-01-25 |
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| CN201610963671.7A Pending CN106356799A (en) | 2016-10-28 | 2016-10-28 | Rear plugging type separable connector and processing method thereof |
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| CN109830839A (en) * | 2019-01-23 | 2019-05-31 | 武汉华仪智能设备有限公司 | A kind of quick plug-in intermediate conversion connector |
| CN111817251A (en) * | 2020-07-22 | 2020-10-23 | 北京中车赛德铁道电气科技有限公司 | Cable joint applied to rolling stock |
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Application publication date: 20170125 |