CN107645082A - Electrical connection arrangement - Google Patents

Electrical connection arrangement Download PDF

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Publication number
CN107645082A
CN107645082A CN201610582002.5A CN201610582002A CN107645082A CN 107645082 A CN107645082 A CN 107645082A CN 201610582002 A CN201610582002 A CN 201610582002A CN 107645082 A CN107645082 A CN 107645082A
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CN
China
Prior art keywords
seat
cover
electrical connection
connection arrangement
insulator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610582002.5A
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Chinese (zh)
Inventor
黄泽沛
刘伟
吴希曦
张君凯
王嘉亮
李志山
陈侃
黄美
李龙
王旭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SICHUAN SUNNY SEAL CO Ltd
Original Assignee
SICHUAN SUNNY SEAL CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SICHUAN SUNNY SEAL CO Ltd filed Critical SICHUAN SUNNY SEAL CO Ltd
Priority to CN201610582002.5A priority Critical patent/CN107645082A/en
Publication of CN107645082A publication Critical patent/CN107645082A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to electrical connection arrangement, including diametrically ecto-entad successively the cover for seat of mutual socket joint connection, patch set and wire clamp, the end of wire clamp are connected with tail-hood.Cover for seat and patch the socket joint of set and coordinate in section, there is a circular step structure at cover for seat inwall, and its with patch set bell end between be combined with the first sealing structure, cover for seat and patch set socket joint coordinate section between be additionally provided with second seals structure;The shell of locking locking structure is also combined with the outside of cover for seat;It is sequentially provided with vertically through the second spacing insulator of inner wall surface thereof ledge structure patching in set, and the first insulator that can extend to cover for seat direction, the first location structure and the second location structure that can be cooperated are respectively equipped with the first insulator and the second insulator;Patch and insulation plugging structure is provided between set and wire clamp.The electrical connection arrangement of the present invention can realize more reliable sealing in device between each element, and can realize fast and accurately location and installation.

Description

Electrical connection arrangement
Technical field
The present invention relates to the electrical connection arrangement of safe level, is particularly suitable for but is not limited only to the electrical connection dress of nuclear power plant Put.
Background technology
With the development of e measurement technology, the use of the equipment such as measuring instrument and instrument is more and more extensive, and these equipment one As be required for being connected to signal cable by electrical connection arrangement, therefore electrical connection arrangement generates in industrial interconnection technique Very important effect.Especially under special environment condition, such as nuclear power plant, the performance of electrical connection arrangement generally all can With higher requirement, the connection of electrical connection arrangement rapidly effectively must prevent operator to be excessively exposed to sensitizing range.Together When, the electrical connection arrangement of nuclear power plant under the conditions of nominal situation in addition to working, it is necessary to can sustain earthquake, loss of-coolant accident (LOCA) (LOCA)And the condition such as irradiation operating mode, so as to ensure the electrical connection under severe accident conditions.
Traditional safe level electrical connection arrangement is generally adopted by single axial sealing, and this structure is dismantled back every time Pad must be changed when dress, pad is usually quality of rubber materials, is easily damaged in installation process, installation quality is not easy To guarantee, and only seal together, it is difficult to sustain high temperature and heat ageing after prolonged radiation, LOCA accident, finally Cause Joint failure.
The content of the invention
The invention provides a kind of electrical connection arrangement, to provide more reliable sealing and fast positioning, makes operating personnel The short time is exposed in sensitizing range as far as possible, ensures the safety of operating personnel.
The electrical connection arrangement of the present invention, including diametrically ecto-entad successively the cover for seat of mutual socket joint connection, patch Set and wire clamp, the end of wire clamp are connected with tail-hood.Cover for seat coordinates in section with patching the socket joint of set, and a ring is provided with cover for seat inwall Shape ledge structure, and the first sealing structure is combined between the ledge structure and the bell end for patching set, in cover for seat and patch set Socket joint coordinate section between be additionally provided with second seals structure;The shell of locking locking structure is also combined with the outside of cover for seat;Connecing It is sequentially provided with vertically in sleeve through the second spacing insulator of inner wall surface thereof ledge structure, and can extend to cover for seat direction First insulator, the first location structure that can be cooperated and second is respectively equipped with the first insulator and the second insulator and is determined Bit architecture;Patch and insulation plugging structure is provided between set and wire clamp.
In in general electrical connection arrangement, due to there was only a sealing mechanism, although can generally play close Envelope acts on, but because the reasons such as operating environment and operating mode are easily damaged, therefore in said structure, first set respectively is close Seal structure and second seals structure can play the sealing function of complementation, sealing property can be made relatively reliable, when one of them is close After seal structure failure, another sealing structure can also play sealing function, make sealer normal operation.
To the specific set-up mode of first sealing structure and second seals structure, though be not excluded for can by its with side by side side Formula is arranged to two with phase same-action, but preferred mode is that first sealing structure is arranged on cover for seat to be above-mentioned Ledge structure at inwall and the ring structure between set socket joint abutting end is patched, for stopping that external water or vapor enter Inside device, the decline or forfeiture for causing internal insulator performance are avoided;Second seals structure can be then to be arranged on the cover for seat With patch set socket joint coordinate section coordinate wall between ring structure, be set on the basis of the first sealing structure it is standby Use sealing structure.Because two ring structures are all provided on leakage path, and may be arranged as being used to bear The pressure of different directions, and be provided with independent stop external water or vapor and enter inside device, avoid causing insulator The effect of decline or the forfeiture of energy, realizes double insurance.At the same time it can also different using different according to the two compressed direction Material, realize certain complementarity.
As described above, the first sealing structure and second seals structure according to actual conditions except can take different shapes Outside, can also be made of different materials, for example, the first sealing structure can be silica gel sealing structure, second seals structure is then Can be the EPDM with the performance such as excellent resistance to ozone, heat-resisting, ageing-resistant(Ethylene propylene diene rubber)Sealing structure etc..Pass through difference The further complementation of form material sealing structure, it is more beneficial for ensureing electric connector insulating properties, improves its reliability.
On this basis, the first insulator and the second insulator are preferably resistance to irradiation and low water absorption and have higher machine The engineering plastic structure of tool intensity.Preferable first insulator and the second insulating material are PEEK materials(Polyether-ether-ketone, it is a kind of Special engineering plastics), resistance to irradiation requirement after npp safety shell accident is disclosure satisfy that, the first insulator and the second insulator pass through Described the first location structure for being mutually inserted cooperation and the second location structure is positioned and Dock With Precision Position.
Cover for seat, shell in the structure, set, wire clamp and tail-hood etc. are patched, can be adopted as corrosion-resistant stainless steel composition.
In above-mentioned electrical connection arrangement, the shell of the locking locking structure, except can select it is currently reported and/or Outside the corresponding construction form used, a kind of preferable easy structure is that the locking mechanism is the neck-bayonet lock that can be cooperated Structure.
Further, a kind of concrete structure of the neck-bayonet lock, it can be arranged on described neck and patch set with described In the cover for seat outside wall surface of socket joint auxiliary section, and it is adopted as continuing with bending with openend and after making axially extending straight trough section The structure of endpiece, described bending endpiece are preferably spiral helicine warp architecture, and anti-back structure is provided with endpiece is bent;Institute State shell be provided with can be moved along the neck and with the groove endpiece anti-back structure phase interlocking clamp coordinate bayonet lock, shell with Patch inner room and be configured with elastic reset structure.The setting of the neck-bayonet lock can also use phase therewith in addition to such a mode Anti- mode.That is, described neck is arranged at the internal face of the shell, bayonet lock is then arranged on corresponding outer in cover for seat At wall.In addition, the neck bending endpiece described in these structures is preferably spiral helicine warp architecture, make locking or unblock The more smoothly convenience of operation.
Described bayonet lock and elastic reset structure can be made up of corrosion-resistant stainless steel material.Elastic reset structure can use The components such as the spring of common type;The axial limiting of elastic reset structure can be used such as patch cover the block card set, pin, Snap ring, back-up ring etc. can limit the appropriate configuration of elastic reset structure axial displacement.Shell by the elastic reset such as spring structure and Corresponding position limiting structure is connected with patching set, and can realize relative axial movement with patching set.Elastic reset structure can be with Precommpression or the tensile force of axial direction are provided, moved by bayonet lock under the elastic acting force of additional confrontation elastic reset structure along neck After moving at anti-back structure, you can bayonet lock is entered self-locking state, except again by the additional releasing power of confrontation elastic acting force It can be made to exit outside self-locking state, bayonet lock will not voluntarily exit self-locking state, improve the reliability of bayonet lock positioning.At the beginning of neck Section for axially extending straight groove structure is advantageous to that bayonet lock be oriented to and quickly patched, and more can lock quick insertion Tightly, the operation of operating personnel and the time exposed to sensitizing range are reduced.
A kind of more easy form in above-mentioned neck anti-back structure, can be that described neck is the blind of tail end closing Slot structure(Such as linear blind slot, or blind slot with bending endpiece form etc.), described anti-back structure setting is in blind slot structure Tail end(That is cecum), anti-back structure is preferably can the concaveconvex structure that mutually hangs tag of the bayonet lock.When bayonet lock is screw-inserted into and is pressed After the elastic reset structure that contracts, bayonet lock is stuck in the axial direction of helical form neck afterbody by the back stretch of elastic reset structure Realize that axial locking is fixed in concaveconvex structure.
Further, when first insulator in said structure extends to cover for seat direction and extend into cavity space in cover for seat Between it is middle when, fixed for ease of it, in cover for seat be provided be used for fix the extending part that first insulator is stretched into cover for seat Close-fitting set.
Further, the inner side of the wire clamp is provided with the card holding structure for fixed beam, such as can be multiple teeth groove Structure etc., by the cooperation with tail-hood, external cable is fixed, makes it while effective clamping fastener external cable, Also external cable deformation can be made uniform symmetrical, be easy to effectively reliable sealing.
Further, the insulation plugging structure patched between set and wire clamp typically may include what is set gradually vertically It is the sealing ring of the insulator stator of corrosion-resistant stainless steel structure, hold-down ring and EPDM structures.Electrical connection arrangement with it is outer Sealed between portion's cable by sealing ring, EPDM is ethylene propylene diene rubber, has excellent resistance to ozone, heat-resisting, ageing-resistant Etc. performance, and radiotolerant heat-shrinkable T bush can be used between electrical connection arrangement afterbody and external cable simultaneously, prevent outside Water or steam enter.
The first location structure and the second location structure described in said structure, preferably it is the axle along the cover for seat respectively The grafting of line extension coordinates positioning stylus structure.For example, the first location structure and the second location structure of the positioning needle construction Can be the gold-plated crimping nook closing member or welding nook closing member that can be mutually inserted.
Due to the electrical connection arrangement of said structure form of the present invention, can make to realize between each element in device it is more reliable and Sufficiently sealing, has high reliability and security performance.And fast positioning and reliable installation can be realized when mounted In place, particularly in severe or even dangerous/harmful environment such as such as nuclear power plant operating personnel can be made to expose the short time as far as possible In sensitizing range, the effective guarantee safety of operating personnel.
Embodiment with reference to embodiments, present invention is described in further detail again.But should not The scope that this is interpreted as to the above-mentioned theme of the present invention is only limitted to following example.In the case of above-mentioned technological thought is not departed from, root The various replacements or change made according to ordinary skill knowledge and customary means, all should be included within the scope of the invention.
Brief description of the drawings
Fig. 1 is a kind of structural representation of electrical connection arrangement of the present invention.
Fig. 2 is the A direction views of helicla flute in Fig. 1.
Fig. 3 is partial enlarged drawing at Fig. 2 B.
Embodiment
Shown in Fig. 1 is a kind of electrical connection arrangement of the present invention available for nuclear power plant, including diametrically ecto-entad is successively The cover for seat 1 of mutual socket joint connection, patch set 7 and wire clamp 15, the end of wire clamp 15 are connected with tail-hood 16.Set in the inner side of wire clamp 15 There is the card holding structure 151 of the forms such as multiple tooth slot structures of fixed beam, by the cooperation with tail-hood 16, the electricity that outside is entered Cable is fixed, and makes it while effective clamping fastener external cable, can also make external cable deformation uniform symmetrical, just In effectively reliable sealing.Coordinate in cover for seat 1 and the socket joint for patching set 7 in section, a circular step knot is provided with the inwall of cover for seat 1 Structure, and the first sealing for stopping that external water or vapor enter inside device is combined between its bell end with patching set 7 Structure 4, and it is additionally provided with standby second seals structure 5 between the cooperation wall of cover for seat 1 and the socket joint cooperation section for patching set 7.Its In the first sealing structure 4 can be silica gel material sealing structure, second seals structure 5 is EPDM(Ethylene propylene diene rubber)Material Sealing structure.It is sequentially provided with vertically through the second spacing insulator 9 of inner wall surface thereof ledge structure patching in set 7, and It can extend to the direction of cover for seat 1 and partly stretch into the first insulator 2 of the inner chamber of cover for seat 1.In the first insulator 2 and the second insulator 9 Axial direction on be additionally provided with conventional insulators 22.It is additionally provided with cover for seat 1 for fixed first insulation stretched into the inner chamber of cover for seat 1 The close-fitting set 3 of the extension of body 2.On the first insulator 2 and the second insulator 9 be provided with along cover for seat 1 axis extension and can phase What mutual grafting coordinated is respectively gold-plated crimping nook closing member or welds the first location structure 17 and the second location structure of the forms such as nook closing member 18.In addition, can also position the first insulator 2 and the second insulator 9 by appropriate positioning Anti-misplug structure 19, and realize The Dock With Precision Position of nook closing member the first location structure 17 and the second location structure 18.Patch set 7 and wire clamp 15 between be provided with vertically according to Sealing ring 14 of the insulator stator 12 by being corrosion-resistant stainless steel structure of secondary setting, hold-down ring 13 and EPDM structures etc. The insulation plugging structure of composition.Further it can also be carried out between electrical connection arrangement and external cable by the sealing rings such as EPDM 14 Sealing, and radiotolerant heat-shrinkable T bush can be used between electrical connection arrangement afterbody and external cable simultaneously, prevent external water Or steam enters.Wherein the first insulator 2 and the second insulator 9, which can use, has good radiation-resistant property and low water absorption, And the material with higher mechanical strength is formed, to meet that resistance to irradiation requires after npp safety shell accident.Cover for seat 1, shell 6, Corrosion-resistant stainless steel composition can be adopted as by patching set 7, wire clamp 15 and tail-hood 16;First insulator 2 and the second insulator 9 are preferred For PEEK materials(Polyether-ether-ketone).
As shown in Figure 1 to Figure 3, in cover for seat 1 and the outside for the socket joint linkage section for patching set 7, also it is combined with locking locking structure Shell 6, it is the neck-clamping pin structure that can cooperate to patch the locking mechanism between set 7 and shell 6.Its concrete structure is to block Groove be arranged on and patch set 7 socket joint auxiliary sections the outside wall surface of cover for seat 1 on and tail end closing blind slot structure, be adopted as with Openend simultaneously is made to continue with the form of spiral sigmoid endpiece 21 after axially extending straight trough section 20, in the afterbody of bending endpiece 21 Terminal is provided with the anti-back structure 201 for the concave-convex form that can be mutually hung tag with the bayonet lock 8.The shell 6 is provided with can be along the card The bayonet lock 8 that groove 20 is moved and coordinated with the phase interlocking clamp of anti-back structure 201 of the slot tail, and in shell 6 and patch between set 7 simultaneously Elastic reset structure 11 is configured with, wherein locking mechanism and elastic reset structure 11 is the material of corrosion-resistant stainless steel.Shell 6 is logical Cross the elastic reset such as spring structure 11 and corresponding back-up ring 10 and 7 be connected with patching set, and with patch set 7 can realize it is relative It is axially moved.When bayonet lock 8 enters from straight trough section 20, being pushed to it along helical form warp architecture bends the anti-back structure of endpiece 21 Behind 201 positions, the elastic acting force of elastic reset structure 11 can make bayonet lock 8 enter reliable self-locking state.

Claims (10)

1. electrical connection arrangement, including the diametrically ecto-entad cover for seat that mutual socket joint connects successively(1), patch set(7)With Wire clamp(15), wire clamp(15)End be connected with tail-hood(16), it is characterized in that:
Cover for seat(1)With patching set(7)Socket joint coordinate section in, in cover for seat(1)A circular step structure is provided with inwall, and at this Ledge structure is with patching set(7)Bell end between be combined with the first sealing structure(4), in cover for seat(1)With patching set(7)Socket joint Second seals structure is additionally provided between cooperation section(5);
In cover for seat(1)Outside be also combined with the shell of locking locking structure(6);
Patching set(7)Inside it is sequentially provided with vertically through the second spacing insulator of inner wall surface thereof ledge structure(9), and can be to Cover for seat(1)First insulator of direction extension(2), in the first insulator(2)With the second insulator(9)On be respectively equipped with can be mutual The first location structure coordinated(17)With the second location structure(18);
Patch set(7)With wire clamp(15)Between be provided with insulation plugging structure.
2. electrical connection arrangement as claimed in claim 1, it is characterized in that:It is described to patch set(7)With shell(6)Between locking knot Structure is the neck-clamping pin structure that can be cooperated.
3. electrical connection arrangement as claimed in claim 2, it is characterized in that:Described neck is arranged on patches set with described(7) The cover for seat of socket joint auxiliary section(1)It is with openend and to make axially extending straight trough section in outside wall surface(20)After continue with it is curved Bent endpiece(21)Structure, described bending endpiece is preferably spiral helicine warp architecture, bending endpiece(21)In be provided with Anti-back structure(201);The shell(6)Be provided with can be moved along the neck and with the anti-back structure in the groove endpiece(201) The bayonet lock that phase interlocking clamp coordinates(8), shell(6)With patching set(7)Between and be configured with elastic reset structure(11).
4. electrical connection arrangement as claimed in claim 2, it is characterized in that:Described neck is the blind slot structure of tail end closing, Described anti-back structure(201)It is arranged on the tail end of blind slot structure, anti-back structure(201)Preferably can be with the bayonet lock(8)Phase The concaveconvex structure mutually to hang tag.
5. electrical connection arrangement as claimed in claim 1, it is characterized in that:In cover for seat(1)Interior be provided with is used to fix described first Insulator(2)Stretch into cover for seat(1)The close-fitting set of interior extending part(3).
6. electrical connection arrangement as claimed in claim 1, it is characterized in that:The wire clamp(15)Inner side be provided with fixed beam Card holding structure(151).
7. electrical connection arrangement as claimed in claim 1, it is characterized in that:The second seals structure(5)It is described to be arranged on Cover for seat(1)With patching set(7)Socket joint coordinate section coordinate wall between ring structure.
8. electrical connection arrangement as claimed in claim 1, it is characterized in that:It is described to patch set(7)With wire clamp(15)Between it is exhausted Edge plugging structure is the insulator stator set gradually vertically(12), hold-down ring(13)And sealing ring(14).
9. the electrical connection arrangement as described in one of claim 1 to 8, it is characterized in that:First location structure(17)With Two location structures(18)Respectively can be along cover for seat(1)Axis extension grafting coordinate pilot pin.
10. the electrical connection arrangement as described in one of claim 1 to 8, it is characterized in that:First sealing structure(4)With Two sealing structures(5)For the sealing structure of unlike material.
CN201610582002.5A 2016-07-22 2016-07-22 Electrical connection arrangement Pending CN107645082A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610582002.5A CN107645082A (en) 2016-07-22 2016-07-22 Electrical connection arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610582002.5A CN107645082A (en) 2016-07-22 2016-07-22 Electrical connection arrangement

Publications (1)

Publication Number Publication Date
CN107645082A true CN107645082A (en) 2018-01-30

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ID=61109173

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610582002.5A Pending CN107645082A (en) 2016-07-22 2016-07-22 Electrical connection arrangement

Country Status (1)

Country Link
CN (1) CN107645082A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101453063A (en) * 2008-09-09 2009-06-10 扬州航宇通信科技有限公司 Push-pull expansion type connector
CN103311002A (en) * 2012-03-09 2013-09-18 欧姆龙株式会社 Terminal and connection structure of the same
CN103700966A (en) * 2011-11-07 2014-04-02 苹果公司 Dual orientation electronic connector with external contacts
DE102013002852A1 (en) * 2013-02-20 2014-08-21 Phoenix Contact Gmbh & Co. Kg Dispatcher box e.g. sensor-actuator box has contact insert for electrical connection of sensors/actuators, which is individually manufactured from integral component of plastic material, and attached to housing by latching connection
CN205985470U (en) * 2016-07-22 2017-02-22 四川日机密封件股份有限公司 Electrical connecting device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101453063A (en) * 2008-09-09 2009-06-10 扬州航宇通信科技有限公司 Push-pull expansion type connector
CN103700966A (en) * 2011-11-07 2014-04-02 苹果公司 Dual orientation electronic connector with external contacts
CN103311002A (en) * 2012-03-09 2013-09-18 欧姆龙株式会社 Terminal and connection structure of the same
DE102013002852A1 (en) * 2013-02-20 2014-08-21 Phoenix Contact Gmbh & Co. Kg Dispatcher box e.g. sensor-actuator box has contact insert for electrical connection of sensors/actuators, which is individually manufactured from integral component of plastic material, and attached to housing by latching connection
CN205985470U (en) * 2016-07-22 2017-02-22 四川日机密封件股份有限公司 Electrical connecting device

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Address after: 610045 Sichuan city of Chengdu province Wuhou District Vuko Xisi Road No. eight

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