CN107181083A - The contact structure of contact - Google Patents
The contact structure of contact Download PDFInfo
- Publication number
- CN107181083A CN107181083A CN201610852596.7A CN201610852596A CN107181083A CN 107181083 A CN107181083 A CN 107181083A CN 201610852596 A CN201610852596 A CN 201610852596A CN 107181083 A CN107181083 A CN 107181083A
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- CN
- China
- Prior art keywords
- contact
- bifurcated piece
- plug contacts
- connect
- socket
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
- H01R13/035—Plated dielectric material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
- H01R13/112—Resilient sockets forked sockets having two legs
Abstract
The present invention provides a kind of entirety and will not maximized, and with the simple contact structure for being constituted the contact for being reliably suppressed arc discharge.1st contact possesses：1st bifurcated piece, plug contacts connect off normal put and with retreated between electrically connecting position it is mobile during, the 1st contact and the 2nd contact of 1st bifurcated piece, and the 2nd bifurcated piece, 2nd contact of the 2nd bifurcated piece is oxidized epithelium cladding in band electrically connecting position and the 2nd contact in the 1st contact and at least one of contact surface of the contact site of the 2nd contact for connecing the 1st contact for putting contact of offing normal.Plug contacts and socket contact connect from connect to off normal and put, therebetween across the oxide scale film as insulant, therefore arc discharge can be suppressed.
Description
Technical field
The present invention relates to electrical connection a pair of contact between contact contact structure, be in more detail be related to connect from one
The contact structure for the contact that high electric energy is produced contact.
Background technology
Electric connector with electrical connection transmission high voltage, the power line of the electric power of high current etc., is plugging connected phase
During to side-connector, high electric energy is accumulated between close a pair of contact, arc discharge can occur therebetween.Such electric arc is put
Electricity is also due to when the side's connector for being connected to induction type load is extracted from the connector for being connected to power line the opposing party
The induced electromotive force of generation and produce.
Arc discharge can melting loss electric connector contact etc., the reason for as accelerated deterioration, thus make to be accumulated in a pair and touch
Electric energy between point is lowered so that arc discharge will not occur in itself.Between the electric energy and a pair of contact that are accumulated between a pair of contact
Voltage and current in proportion, therefore Japanese Patent Laid-Open No. Sho 63-86281 publications (patent document 1) and real justice 6-41370
In publication (patent document 2), make a pair of contact connect from moment contact between voltage reduce and prevent the generation of arc discharge.
Wherein, the contact structure for the contact that patent document 1 is recorded is to be moved in the contact of a side along opposite side
Advance and retreat mobile route is provided with the high resistive element of electricalresistivityρ, by opposite side from during the extraction separation of advance and retreat mobile route, in electricity
The front end of the high resistive element of resistance separates opposite side, and the voltage of arc discharge will not be reached by turning into voltage between the two
So as to prevent the generation of arc discharge.
In addition, the contact structure 100 for the contact that patent document 2 is recorded is as shown in Fig. 9 Fig. 9, moved with linearly retreat
The contact 102 of a opposing party of the side contact 101 with electrical connection be made up of two contact chips 102A, 102B of elongated, belt-shaped.Connect
Contact 102A is formed with the conductive metallic material of the resistivity high compared with contact chip 102B, and two contact chips 102A, 102B are clipped
Contact chip 102A front end is anchored on contact chip by the advance and retreat mobile route of the contact 101 of opposite side into abreast configuring up and down
102 to form integral contact 102.
The 1st contact 103 contacted from above in the contact chip 102A of the contact 101 of opposite side is located at than contacting from below
Contact chip 102B the 2nd contact 104 is closer to along the rear of advance and retreat mobile route (upper right side in figure).
Thereby, opposite side 101 and contact 102 connect from connect the vicinity put of offing normal with the high conducting metal material of resistivity
Material is formed, and the high contact chip 102A of resistance value the 1st contact 103 close to the contact 101 of opposite side, therefore electricity between the two
Pressure will not reach the voltage of arc discharge to be not susceptible to arc discharge.
Contact 101 connect off normal put retreat between band electrically connecting position in front of with it is mobile during, contact chip 102A
All the time contacted with contact 101, therefore will not occur the arc discharge caused by instantaneous interruption, in band electrically connecting position and contact chip
102B the 2nd contact 104 is contacted, therefore is connected with the low contact chip of resistance value side by side in addition to contact chip 102A in contact 101
102B, the contact 102 of low-resistance value and contact 101 are with electrically connecting.
[prior art literature]
[patent document]
[patent document 1] Japanese Unexamined Patent Application 63-86281 publications
[patent document 2] Japanese Patent Publication 6-41350 publications
The content of the invention
[technical problems to be solved by the invention]
Though the contact structure of the contact shown in patent document 1 is the advance and retreat moved in the contact of a side along opposite side
Mobile route is provided with the high resistive element of electricalresistivityρ, but resistive element length in short-term, under current potential can not be made in its front end fully
Drop, in order to reliably prevent the generation of arc discharge, it is necessary to extend the length of the edge advance and retreat mobile route of resistive element, so that contact
The overall maximization of contact structure.
In addition, the contact structure 100 for the contact that patent document 2 is recorded needs respectively to manufacture by different conductive metallic materials
Two contact chips 102A, the 102B constituted, fasten and carry out the step of integration by each front end.
Further, since front end is only anchored on contact chip 102B by contact chip 102A, support overall with single-cantilever, so can not
1st contact 103 of free end side is reliably positioned, the interval for the advance and retreat mobile route retreated with the contact 101 of opposite side is not
It is fixed so that with contact 101 connect from or connect from opportunity become unstable.
Even if in addition, the contact structure 100 of the contact can not make by the conductive metallic material for forming contact chip 102A
Current potential between 1st contact 103 and contact 101 is fully reduced, in order to increase contact chip 102A resistance value, it is necessary to make along advance and retreat
The length elongation of mobile route, having causes picking for contact to touch the problem of construction 100 is overall to become maximization.
The present invention is to consider that existing problem points grind wound as described above to form, it is therefore intended that provide one kind does not cause in the past
In the case of overall maximization, it can be simply formed, be reliably suppressed the contact structure of the contact of arc discharge.
[solving the technical scheme that technical problem is used]
To reach above-mentioned purpose, the contact structure of the contact of the first technical scheme of the application is that the 1st contact is touched with the 2nd
The plug contacts of one side of point are retreated to front-rear direction relative to the socket contact of the opposing party along advance and retreat mobile route to be moved, and is inserted
Head contact with socket contact connect from connect off normal the band electrically connecting position putting and electrically connected with the socket contact band in front of it
Between, and contacted with socket contact and meanwhile retreat movement contact contact structure, it is characterized in that：
1st contact possesses：Base end part；1st bifurcated piece, the 1st bifurcated piece is connected integrally to base end part, in plug contacts
Connect off normal put and with retreated between electrically connecting position it is mobile during, the 1st contact and the 2nd contact；And the 2nd bifurcated piece,
2nd bifurcated piece is connected integrally to base end part, and the 2nd contact puts phase in band electrically connecting position and the 2nd contact connecing to off normal
To the 1st contact the 1st contact and the 2nd contact contact site at least one of contact surface be oxidized epithelium cladding.
Plug contacts and socket contact connect from connect to off normal and put relative the 1st the 1st contact of contact and connecing for the 2nd contact
Across the oxide scale film of high contact resistance between contact portion, the electric energy of the degree of arc discharge can be occurred by being difficult accumulation.
Plug contacts connect off normal put retreat between band electrically connecting position in front of with it is mobile during, the 1st bifurcated
1st contact of piece and the 2nd contact, the 1st contact continuously form and electrically connected with the 2nd contact.
In band electrically connecting position, the 2nd contact and the 2nd contact of the 2nd bifurcated piece of not oxidized epithelium cladding, institute
With the 1st contact with being electrically connected between the 2nd contact with low contact resistance band.
High contact resistance between the 1st contact of oxide scale film and the 2nd contact independent of the 1st bifurcated piece size or
Length, therefore can make the 1st bifurcated piece short and smallization, and the 1st contact of the 1st bifurcated piece and the 2nd contact of the 2nd bifurcated piece it is independent and with
2nd contact, thus can configured in parallel make the integral miniaturization of the 1st contact.
The feature of the contact structure of the contact of the second technical scheme of the application is：The 1st contact and the 2nd in the 1st contact
The fixed sheet metal being made up of valve metal at least one of contact surface of the contact site of contact, contact surface is formed on
Passivation overlay film cladding on the surface of valve metal.
Connect in the 1st contact and the 2nd contact from connect to off normal and put, its contact surface across high contact resistance passivation epithelium,
The electric energy of the degree of arc discharge can be occurred by being difficult accumulation.
The sheet metal being made up of valve metal can form passivation overlay film on its surface naturally with air contact, therefore only exist
At least one of side of the contact site of 1st contact or the 2nd contact fixes sheet metal, and oxide scale film is used as in contact surface formation
Overlay film is passivated, and the heat energy produced on passivation overlay film can discharge after heat transfer to the 1st fixed bifurcated piece or the 2nd contact.
The feature of the contact structure of the contact of the 3rd technical scheme of the application is：1st bifurcated piece and the 2nd bifurcated piece be with
Formed from plate spring sheet of the base end part cantilever support in the same profile shape at rear, contact and bend with the contact site of the 2nd contact
The 1st contact amount of bow it is more shorter than the amount of bow in the 2nd contact bent with electrically connecting position with the 2nd contact.
1st bifurcated piece is formed with the 2nd bifurcated piece with the identical section shape of identical material, therefore both bending strength EI phases
It is proportional Deng the contact pressure P and amount of bow δ of, the 1st contact and the 2nd contact respectively with the 2nd contact and when bending, and from cardinal extremity
The cube apart from l in portion is inversely proportional.The amount of bow of 1st contact is shorter than the amount of bow of the 2nd contact, it is therefore necessary to consider that the 1st connects
The distance from base end part of point and the 2nd contact, the 1st contact is contacted with the contact site of the 2nd contact with relatively low contact compression elasticity, the
2 contacts are contacted with the 2nd contact with high contact compression elasticity.
The feature of the contact structure of the contact of the 4th technical scheme of the application is：1st contact is along advance and retreat mobile route
It is formed at the rear of the 2nd contact.
Distance from base end part of the distance from base end part than the 2nd contact of 1st contact, therefore the 1st contact connects with the 2nd
Point is compared, and the 2nd contact is contacted with low contact compression elasticity.
The feature of the contact structure of the contact of the 5th technical scheme of the application is：1st contact and the 2nd contact are in front and back
To same position and towards advance and retreat mobile route, the contact site of the 2nd contact shape in the way of being provided projectingly forward from surrounding
Into.
Even if the 1st contact and the 2nd contact are located at the same position of fore-and-aft direction along advance and retreat mobile route, the 1st contact with
The contact site of 2nd contact still connect off normal put connect from.
The feature of the contact structure of the contact of the 6th technical scheme of the application is：1st bifurcated piece and the 2nd bifurcated piece are distinguished
Formed by the plate spring sheet in base end part cantilever support on the direction intersected with fore-and-aft direction.
Long axis direction relative to the 1st contact with the direction of tolerance makes the 2nd contact relatively move to front-rear direction.
The feature of the contact structure of the contact of the 7th technical scheme of the application is：Under free state not by external force,
1st contact is along the formation of advance and retreat mobile route at the rear of the 2nd contact.
The advance and retreat mobile route that 1st contact is relatively moved along the 2nd contact is formed at the rear of the 2nd contact, therefore rear
Square contact position connects the amount of bow of the 1st contact from moment with the 2nd contact to be minimum, the contact site of the 1st contact and the 2nd contact with
Low contact compression elasticity contact.
[invention effect]
According to the invention of the first technical scheme of the application, connect in the 1st contact and the 2nd contact from connect and have from location interval
Independent of the oxidation overlay film of the high contact resistance of the resistivity of the 1st bifurcated piece, therefore the 1st contact will not be made to maximize, can dropped
Voltage between low 2nd contact and the 1st bifurcated piece, suppresses the generation of arc discharge.
Also, only put the contact site of relative the 1st contact and the 2nd contact at least to be coated on to connect to off normal with oxide scale film
The contact surface of one side is simply formed, you can connect in the 1st contact and the 2nd contact from moment across high contact resistance.
According to the invention of the second technical scheme of the application, the sheet metal and air contact being made up of valve metal are naturally
Passivation overlay film is formed on its surface, therefore is only fixed with the contact surface in the 1st contact or at least one party of the contact site of the 2nd contact
The simple processing of sheet metal can form passivation overlay film.
There is corrosion stability to be passivated the 1st contact of overlay film cladding or the contact site of the 2nd contact.
According to the invention of the 3rd technical scheme of the application, only regulation and the 2nd contact and the 1st contact that bends is curved
Song amount and the amount of bow of the 2nd contact, you can plug contacts is put and with the mobile phase of being retreated between electrically connecting position connecing to off normal
Between the contact resistance of the 1st contact and the 2nd contact turn into high resistance, and cause contact resistance is electrically connected in stabilized zone powered
Link position turns into low-resistance value.
According to the invention of the 4th technical scheme of the application, the position of the 1st contact is only located to the position at the 2nd contact rear
Put, you can plug contacts is being connect off normal the 1st contact and the 2nd contact during putting and being moved with advance and retreat between electrically connecting position
Contact resistance turn into high resistance, and cause the band electrically connecting position that electrically connect in stabilized zone of contact resistance as low resistance
Value.
According to the invention of the 5th technical scheme of the application, if the 1st bifurcated piece and the 2nd bifurcated piece are equal length, even if
Shorten the length of the fore-and-aft direction of the 1st contact, can still be connect in the 1st contact and the 2nd contact from connect to off normal and put, make at least one party
The 1st contact for being oxidized epithelium cladding is relative with the contact site of the 2nd contact.
According to the invention of the 6th technical scheme of the application, relative to the relative movement direction of the 2nd contact, configure the 1st
The direction that bifurcated piece intersects with the 2nd bifurcated piece, therefore the 1st contact can be made to become slimming relative to relative movement direction.
According to the invention of the 7th technical scheme of the application, only by the 1st joint configuration of the 1st bifurcated piece in the 2nd bifurcated piece
The 2nd contact rear, can be connect in the 1st contact and the 2nd contact from connect to off normal to put and be formed as high contact resistance value.
The simple declaration of accompanying drawing
Fig. 1 is the plug 20 of plug contacts 2 for representing to have the contact structure 1 of the contact of one of present invention embodiment
The stereogram of the upper lid of insulation shell 21,32 is omitted with the socket 30 with socket contact 3.
Fig. 2 is to represent that plug contacts 2 are retreated the major part of mobile state in the longitudinal direction relative to socket contact 3
Top view.
Fig. 3 is to represent connecing to off normal and put in plug contacts 2, the 1st contact with plug contacts 2 of bifurcated piece 5 of socket contact 3
Portion 8 connect from state main portion sectional view.
Fig. 4 is to represent the band electrically connecting position in plug contacts 2, the 2nd bifurcated piece 6 and the band of plug contacts 2 of socket contact 3
The main portion sectional view of the state of electrical connection.
Fig. 5 (a) is that the contact structure 40 of the contact of the 2nd embodiment and Fig. 2 are represented into the contrast of the 1st embodiment is represented
Major part top view, Fig. 5 (b) is same main portion sectional view.
Fig. 6 (a) is that the contact structure 50 of the contact of the 3rd embodiment and Fig. 2 are represented into the contrast of the 1st embodiment is represented
Major part top view, Fig. 6 (b) is same main portion sectional view.
Fig. 7 (a) is that the contact structure 60 of the contact of the 4th embodiment and Fig. 2 are represented into the contrast of the 1st embodiment is represented
Major part top view, Fig. 6 (b) is with major part side view.
Fig. 8 is to represent that the plug contacts 61 in the contact structure 60 of contact connect to off normal and put, and plug contacts 61 touch with socket
Point 62 connect from state major part side view.
Fig. 9 is the stereogram for the contact structure 100 for representing existing contact.
Symbol description
1、50、60：The contact structure of contact
2、51、61：Plug contacts (the 2nd contact)
8、55、66：Contact site
3、41、52、62：Socket contact (the 1st contact)
5、43、54、63：1st bifurcated piece
5a、43a、54a、63a：1st contact
6、44、64：2nd bifurcated piece
6a、44a、64a：2nd contact
7a：It is passivated overlay film
9a：Oxide scale film
Embodiment
Hereinafter, using Fig. 1 to Fig. 4, the contact structure 1 of the contact of one of present invention embodiment is illustrated.The contact of contact
Construction 1 is to make to contact with the socket contact 3 as the 1st contact and the construction with electrical connection as the plug contacts 2 of the 2nd contact,
In this specification, the moving direction that plug contacts 2 are contacted towards socket contact 3 is as front, by the contact position with socket contact 3
The moving direction deviated from is put as rear, and the above-below direction shown in Fig. 1 is illustrated into each portion as above-below direction.
Plug contacts 2 are connected with the high-pressure side power line 10+ of dc source power line 10 end, and to be connect with being connected to
The mode that the ground side plug contacts 2- of ground side power line 10- end is insulated from each other and parallel is installed on plug 20.In addition, inserting
The high-pressure side of load of the seat contact 3 with receiving the power supply from dc source power line 10 and acting is connected, with being connected to load
The ground side socket contact 3- modes insulated from each other and parallel of ground side be arranged on mother socket 30.In the insulation shell of socket 30
Body 32 is open below and is formed with plug insertion 31,31, and the plug insertion 31,31 guides a pair of plug contacts 2 and ground connection
Side plug contacts 2- freely retreats in the longitudinal direction respectively, by making 2- points of a pair of plug contacts 2 and ground side plug contacts
The socket contact 3 and ground side socket contact 3- abutted with plug insertion 31+, 31- is not contacted with, thereby will such as 48V, 2A
96W electric power from dc source power line 10 supplied to load.Applied between a pair of plug contacts 2 and ground side plug contacts 2-
Plus dc source, due to applying on high-tension side voltage in ground side plug contacts 2- and socket contact 3, thus herein for powered
The plug contacts 2 of connection are illustrated with the contact structure 1 of socket contact 3.
The ground side socket contact 3- and socket that the metallic plate of the copper alloys such as punch process phosphor bronze, brass is formed are touched
3 insulation shells 32 insulated from each other and that socket 30 is installed on along fore-and-aft direction of point.Socket contact 3 is as shown in Fig. 2 in front
Base end part 4 is integrally provided with the 1st bifurcated piece 5 and the 2nd bifurcated piece 6 of the respectively plate spring sheet of elongated, belt-shaped towards the rear.
1st bifurcated piece 5 be rear end near the opening of plug insertion 31 towards the U-shaped inflection in oblique top, will return
The end of free end side after folding is set as the 1st contact 5a being adjacent in plug insertion 31.In addition, the 2nd bifurcated piece 6 be along
The configured in parallel of plug insertion 31 in the side of the 1st bifurcated piece 5, the 1st contact 5a vicinity rear end towards oblique top be in U-shaped
Type inflection is formed, and the end of the free end side after inflection is set as being adjacent to the 2nd contact 6a of plug insertion 31.Therefore,
2nd contact 6a of the 2nd bifurcated piece 6 is to be adjacent in front of the 1st contact 5a of the 1st bifurcated piece 5 in plug insertion 31.
The sheet metal 7 formed by the stainless steel as valve metal is welded with the 1st contact 5a upper surface.It is stainless
Steel makes the chromium oxidation that stainless steel contains when with air contact, is formed on its surface by chromium trioxide (Cr2O3) constitute conduct
A kind of passivation overlay film of oxide scale film, therefore it is formed with several nm thickness on the surface for the 1st contact 5a being made up of sheet metal 7
Passivation overlay film 7a, above-mentioned sheet metal formed by stainless steel.Chromium trioxide (Cr2O3) it is insulant, therefore per 1mm2Contact
Area turns into hundreds of M Ω resistance in thickness direction.As a result, only between the 1st contact 5a and plug contacts 2 of sliding contact
The passivation overlay film 7a of number nm thickness is formed, number Ω can be produced therebetween down to tens of Ω contact resistance.
The plug contacts 2 for being installed on the insulation shell 21 of plug 20 are by the metallic plate punching of the copper alloys such as phosphor bronze, brass
Pressure processing, such as Fig. 2 is represented, the width orthogonal with fore-and-aft direction is formed as to the flat cutter type of wide cut so that its all with the 1st bifurcated piece
5 the 1st contact 5a and the 2nd contact 6a of the 2nd bifurcated piece 6 carry out sliding contact.By this plug contacts 2 in plug insertion 31
It is interior towards fore-and-aft direction move when, off normal and put in connecing shown in Fig. 3, surface be passivated overlay film 7a cladding the 1st contact 5a with insert
Head contact 2 connect from.
In present embodiment, the contact site 8 offing normal and put below the plug contacts 2 relative with the 1st contact 5a is being connect, is also being led to
The sheet metal 9 that soft soldering, welding etc. are fixed with anodic oxidation is crossed, the contact surface of contact site 8 is coated with oxide scale film 9a.Anodic oxygen
Change is to carry out anodized to aluminium to form the oxide scale film of aluminum oxide on its surface, and the oxide scale film sheet of aluminum oxide is as thin
The insulant of wall, therefore reach several Ω down to tens of Ω with the 1st contact 5a contact resistance.
In the connection procedure and withdrawal process of plug 20 and socket 30, off normal that to be equipped with generation certain in connecing for plug contacts 2
The contact site 8 of potential difference V plug contacts 2 and the 1st contact 5a of socket contact 3 indirectly from moment, if away from the two of moment
Potential difference between the contact surface of person is V, and sets and flow in both electric currents as I, accumulates electric energy E (E=∫ V therebetween
When Idt) exceeding certain boundary value, arc discharge occurs therebetween.In the plug 20 of present embodiment and the connection of socket 30,
In potential difference V more than 25V, electric current I more than 2A when occur arc discharge, but according to present embodiment, respectively the 1st contact 5a's
Surface is formed with passivation overlay film 7a, oxide scale film 9a is formed with the surface of the contact site 8 of plug contacts 2, due to oxide scale film
7a, 9a number Ω are down to tens of Ω resistance, the current potential reduction between plug contacts 2 and socket contact 3.As a result, connecing from moment
Between the two current potential V reduction, can effectively suppress arc discharge.
Plug contacts 2 connecing in socket patchhole 31 off normal put with shown in Fig. 4 with being moved between electrically connecting position
Period, the 1st contact 5a and the lower surface sliding contact of plug contacts 2, because passivation overlay film 7a is contacted with oxide scale film 9a height
Resistance can be such that plug contacts 2 are not connected instantaneous interruption with socket contact 3.
When untill the band electrically connecting position shown in Fig. 4 that plug contacts 2 are inserted into plug insertion 31 forwards, the
2nd contact 6a of 2 bifurcated pieces 6 is with low contact resistance and the lower surface Elastic Contact of plug contacts 2, the 1st bifurcated of socket contact 3
The bifurcated piece 6 of piece 5 and the 2nd is connected to plug contacts 2 side by side.As a result, in the band electrically connecting position of plug contacts 2, plug contacts 2
Voltage reduction between socket contact 3 is few with power loss, and band electrical connection each other.
During the contact site 8 of plug contacts 2 is contacted with the 1st contact 5a of socket contact 3, passivation overlay film 7a and oxidation
Though the part contacted with high resistance of epithelium 9a part generates heat, because being all thin-walled and being formed in small sheet metal
7th, 9 surface, thus can by heat conducting and radiating to plug contacts 2 or socket contact 3 the side of the 1st bifurcated piece 5.
Fig. 5 is the contact structure 40 for the contact for representing the 2nd embodiment of the present invention, compared with above-mentioned embodiment,
By plug contacts 2 connect off normal put and with retreated between electrically connecting position it is mobile during both contact resistances set must be than band
The contact resistance of electrically connecting position is higher.The contact structure 40 of contact is all real with the 1st in addition to the shape of socket contact 41
The contact structure 1 for applying the contact of mode is identical, therefore in Figure 5, the composition for same or like effect assigns identical volume
Number and description is omitted.
Socket contact 41 as shown in the figure, the base end part 42 formed by punch process phosphor bronze sheet, and from base end part 42
It is made up of towards the rear in the cross section shape of Shuan Cha branches the 1st bifurcated piece 43 of identical elongated, belt-shaped with the 2nd bifurcated piece 44,
From base end part 42, oblique top is inclined to cantilever support towards the rear in the way of protruding from from below in plug insertion 31 respectively
1st contact 43a of the upper surface of front and the 2nd contact 44a.In addition, in the 1st contact 43a upper surface, with the 1st embodiment party
Formula is identically formed with by chromium trioxide (Cr2O3) constitute passivation overlay film 7a.
The bifurcated piece 43 of 1st bifurcated piece 43 to the 2 is long, therefore the 1st contact 43a is to be inserted at the 2nd contact 44a rear towards plug
Enter in hole 31 prominent, therefore connecing to off normal and put in the plug contacts 2 moved to front-rear direction along plug insertion 31, the 1st connects
Point 43a is relative with the contact site 8 of plug contacts 2.
In addition, under free state not by external force, rake ratio of the cantilever support in the 1st bifurcated piece 43 of base end part 42
The inclination of 2 bifurcated pieces 44 is micro- slow, therefore protrudes from the 1st contact 43a in plug insertion 31 for than the 2nd contact 44a more on the lower
The position of side.As a result, comparing with the contact 44a of electrically connecting position the 2nd amount of bow δ 2 bent with the Elastic Contact of plug contacts 2
1st contact 43a and connect off normal put and bent with the Elastic Contact of plug contacts 2 for retreating mobile between electrically connecting position it is curved
Song amount δ 1 is bigger.
Here, the vertical coefficient of elasticity of the material of cantilever support piece is set as E, if the section second moment of the neutral axis for cantilever
For I, and distance untill setting from fixing end to free end is l, free end is by amount of bow δ when aggravating P with δ=Pl3/
3EI is represented, when it is deformed on exacerbation P, with P=3 δ EI/l3Represent.Aggravate P and represent cantilever support
Contact pressure between the contact of bifurcated piece and plug contacts 2, therefore, above formula represent the contact pressure and elastic connecting of the contact of bifurcated piece
Tactile amount of bow δ is proportional, and is inversely proportional with the cube apart from l of the base end part 42 from contact.
In present embodiment, P1 is pressed in the 1st contact 43a of the 1st bifurcated piece 43 of plug contacts 2 contact in Elastic Contact
With with electrically connecting position Elastic Contact in the 2nd contact 44a of the 2nd bifurcated piece 44 of plug contacts 2 contact pressure P2 compare when,
1st bifurcated piece 43 is formed with the 2nd bifurcated piece 44 with identical material and identical section shape, therefore both bending strength EI phases
Amount of bow δ 1 Deng, the 2nd contact 44a contact 43a of amount of bow δ 2 to the 1 is big, from base end part 42 untill the 1st contact 43a
Distance is than the distance untill the 2nd contact 44a, therefore P2 is pressed in the 1st contact 43a contacts of the contact pressure P1 than the 2nd contact 44a
It is low.During known contact pressure P reductions, contact resistance value increase, no matter therefore the 1st contact 43a and plug contacts 2 contact site 8 it
Between whether there is oxide scale film 7a, 9a, plug contacts 2 connect off normal put and with retreated between electrically connecting position it is mobile during the 1st
Contact resistance value between contact 43a and the contact site 8 of plug contacts 2 than the 2nd contact 44a contacted with electrically connecting position with
Contact resistance value between plug contacts 2 is higher.Thereby, plug contacts 2 connect off normal put and between electrically connecting position retreat
Even if during movement between socket contact 3 instantaneous interruption, the big electricity that can occur arc discharge will not be also produced therebetween
Can, on the other hand, in band electrically connecting position, due to the contact resistance value reduction between plug contacts 2 and socket contact 3, therefore still
The power loss caused by connection can be reduced.
In above-mentioned 1st embodiment, for connecing to off normal and put and the 1st bifurcated piece 5 of socket contact 3 in plug contacts 2
1st contact 5a is connect from making the 1st contact 5a in the 2nd contact of the 2nd bifurcated piece 6 along the moving direction of the fore-and-aft direction of plug contacts 2
6a rear is exposed, but shown in the contact structure 50 for the contact that can also be represented such as Fig. 6, changes the contact of the side of plug contacts 51
The shape in portion 55 so that the 1st contact 5a connect off normal put connect from.In Fig. 6, also for the 1st embodiment it is same or like make
Composition imparting is identically numbered and description is omitted.
In the contact structure 50 for the contact that Fig. 6 is represented, in cantilever support in a pair points of base end part 53 of socket contact 52
Among forks piece, the 1st contact 54a the 1st bifurcated piece 54 will be coated in the side formation of the 2nd bifurcated piece 6 and the 2nd to be passivated overlay film 7a
The identical length of bifurcated piece 6, makes the 1st contact 54a and the 2nd contact 6a towards the identical bits of the fore-and-aft direction in plug insertion 31
Put.
On the other hand, when retreating mobile in fore-and-aft direction in the female connector contact 51 of plug insertion 31, the 1st contact 54a is slided
The side of the plug contacts 51 of dynamic contact is protruded than the opposite side of the 2nd contact 6a sliding contacts more towards front, in its protuberance
Lower surface be formed with oxide scale film 9a coat contact site 55.As a result, the 1st contact 54a plug contacts 51 connect from
Position and contact site 55 are relative, are put and with the mobile phase of being retreated between electrically connecting position in plug insertion 31 connecing to off normal
Between, the 1st contact 54a be with the sliding contact of contact site 55, and the 2nd contact 6a is then under with electrically connecting position and plug contacts 51
Surface elasticity is contacted.
According to the contact structure 50 of the contact of the 3rd embodiment, even if shortening along the bifurcated piece 6,54 with double forks
Socket contact 52 fore-and-aft direction on length, minimize socket 30, still can plug contacts 51 connect off normal put so that
It is relative with the 1st contact 54a for being passivated overlay film 7a claddings.
In above-mentioned each embodiment, though carry out cantilever branch along the advance and retreat moving direction of plug contacts 2,51 fore-and-aft directions
The 1st bifurcated piece 5,43,54 and the 2nd bifurcated piece 6,44 of double forks of socket contact 3,41,52 are supportted, but can also be such as Fig. 7, Fig. 8
The contact structure 60 of the contact of expression is such, the direction cantilever support socket intersected in the advance and retreat moving direction with plug contacts 61
1st bifurcated piece 63 of contact 62 and the 2nd bifurcated piece 64.
In these figures, the fore-and-aft direction that the advance and retreat of plug contacts 61 are mobile is above-below direction, the 1st bifurcated of socket contact 62
Piece 63 be cantilevered support in the way of in oblique lower section in the bifurcated piece 64 of base end part the 65, the 2nd with horizontal mode by cantilever branch
Support in base end part 65.Therefore, formed and connect with the 1st of the free end side lower surface for the 1st bifurcated piece 63 for being passivated overlay film 7a claddings the
Point 63a ratios form the 2nd contact 64a in the free end side lower surface of the 2nd bifurcated piece 64, more towards along plug contacts 61 advance and retreat
The lower section of mobile route is protruded.
In addition, plug contacts 61 are using the position of the 1st contact 63a in a free state and the 2nd contact 64a protrusions as advance and retreat
Mobile route, and so that the upper surface location for the plug contacts 61 that the 1st contact 63a is projected in vertical direction (above-below direction) turns into
It is oxidized the contact site 66 of epithelium 9a claddings.As a result, the 1st contact 63a connecing to off normal and put and contact site 66 in plug contacts 61
Connect from because the 1st contact 63a and contact site 66 are to be connect across oxide scale film 7a, 9a from therefore will not occurring electric arc in its moment
Electric discharge.In addition, in this moment, because the 1st contact 63a amount of bow is small for 0 or atomic, therefore the 1st contact 63a and contact site 66
Between contact pressure it is extremely low, both with higher contact resistance value connect from.
Plug contacts 61 connect off normal put with retreated with electrically connecting position it is mobile during, the 1st frequent elastic connectings of contact 63a
Touch in contact site 66, therefore will not occur the instantaneous interruption between plug contacts 61 and socket contact 62.In the band of plug contacts 61
Electrically connecting position, the 2nd contact 64a Elastic Contacts are in the upper surface of plug contacts 61, and plug contacts 61 are with socket contact 62 with low
Connection loss band is electrically connected.
In above-mentioned each embodiment, integrally to possess in the 1st bifurcated piece of socket contact side branch fork in pairs and the 2nd point
The example of forks piece is illustrated, but the plug contacts side that can also be retreated in plug insertion mobile is integrally provided with base
End is with cantilever support in the 1st bifurcated piece of base end part and the 2nd bifurcated piece.
As long as, then not necessarily must cantilever in addition, the 1st bifurcated piece and the 2nd bifurcated piece can integratedly be supported on base end part
Support, also, the bifurcated piece of more than three also can be integratedly supported in base end part.
In addition, putting the 1st relative contact with the contact surface of one of contact site connecing to off normal with oxide scale film 7a, 9a
Cladding, but as long as can make to connect from plug contacts 2 and socket contact 3 between voltage fully reduce, also can an only side wherein
Contact surface on form oxide scale film 7a, 9a.
On the other hand, also can be by anti-in the case where needing further increase oxide scale film 7a, 9a contact resistance value
Corrosion treatment increases oxide scale film 7a, 9a thickness.
In addition, though passivation overlay film 7a is using the stainless steel formation sheet metal 7 as valve metal, is formed and be passivated on its surface
Overlay film 7a, but sheet metal 7 can also by formed passivation overlay film one of Ni, Co, Cr, Nb, Ta, Al, Mo or its
Alloy is formed, and oxide scale film is then not limited to above-mentioned passivation overlay film or imposes the anode of the electrolysis using dilute sulfuric acid etc.
Oxidation processes and aluminium surface formation aluminum oxide oxidation overlay film.
In above-mentioned embodiment, deviate from though the sheet metal 5 as the 1st bifurcated piece is connected to socket contact 3
Plug contacts 2 front position the sliding contact of socket contact 3 contact surface side, but it is also possible to be connected to along glide direction
The front end of plug contacts 2.
In addition, the thickness of slab of sheet metal 7,9, as long as the advance and retreat movement for not undermining plug contacts can be then any thickness,
For example, can be formed by metal foil, as long as the fixation of sheet metal 7,9 can be connected to the 1st bifurcated piece with electric and mechanically
Or the surface of the contact site of contact, then in addition to soft soldering is connected or other connection methods such as welding.
Also, can be by for preventing on the 2nd contact contacted with electrically connecting position and the surface of the contact of opposite side
Burn into further reduces the plating of the gold-plated grade of contact resistance value to coat.
In addition, though above-mentioned embodiment is the plug contacts 2 of the plug 20 with electrical connection direct current and inserting for socket 30
The contact structure of seat contact 3, but one with electrical connection group of contact is except the electrical connection that can be applied to be made up of plug and socket
Beyond device, the connecting structure of contact used in relay, switch can also be applied to.
Industrial applicability
The contact structure for the contact that band is electrically connected between the contact that can be applied to would be possible to occur arc discharge.
Claims (7)
1. a kind of contact structure of contact, it is the 1st contact and plug contacts the inserting relative to the opposing party of a side of the 2nd contact
Seat contact is retreated and moved to front-rear direction along advance and retreat mobile route, plug contacts with socket contact connect from connect off normal put and
Between the band electrically connecting position electrically connected with the socket contact band in front of it, while being contacted with socket contact while movement of retreating
The contact structure of contact, it is characterised in that：
1st contact, possesses：Base end part；1st bifurcated piece, the 1st bifurcated piece is connected integrally to base end part, is touched in the plug
Point connect off normal put with between electrically connecting position retreat move during, the 1st contact and the 2nd contact；And the 2nd bifurcated
Piece, the 2nd bifurcated piece is connected integrally to base end part, the 2nd contact in band electrically connecting position and the 2nd contact,
Connect off normal put the 1st relative contact the 1st contact and the 2nd contact contact site at least one of contact surface quilt
Oxide scale film is coated.
2. the contact structure of contact as claimed in claim 1, it is characterised in that the 1st contact the 1st contact with it is described
The sheet metal that at least one of contact surface fixation of the contact site of 2nd contact is made up of valve metal, the contact surface quilt
It is formed at the passivation overlay film cladding on the surface of valve metal.
3. the contact structure of contact as claimed in claim 1 or 2, it is characterised in that the 1st bifurcated piece and the 2nd bifurcated piece be with
Formed from plate spring sheet of the base end part cantilever support in the same profile shape at rear, contact and bend with the contact site of the 2nd contact
The 1st contact amount of bow it is more shorter than the amount of bow in the 2nd contact bent with electrically connecting position with the 2nd contact.
4. the contact structure of contact as claimed in claim 3, it is characterised in that the 1st contact is along the advance and retreat mobile route
It is formed at the rear of the 2nd contact.
5. the contact structure of contact as claimed any one in claims 1 to 3, it is characterised in that the 1st contact and the 2nd contact
Fore-and-aft direction same position and towards the advance and retreat mobile route, the contact site of the 2nd contact with from surrounding forward
The mode being provided projectingly is formed.
6. the contact structure of contact as claimed in claim 1 or 2, it is characterised in that the 1st bifurcated piece and the 2nd bifurcated piece are distinguished
Formed by the plate spring sheet in base end part cantilever support on the direction intersected with fore-and-aft direction.
7. the contact structure of contact as claimed in claim 6, it is characterised in that under free state not by external force, the 1st connects
Point is along advance and retreat mobile route formation at the rear of the 2nd contact.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-046489 | 2016-03-10 | ||
| JP2016046489A JP6623853B2 (en) | 2016-03-10 | 2016-03-10 | Contact structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107181083A true CN107181083A (en) | 2017-09-19 |
Family
ID=59830196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610852596.7A Withdrawn CN107181083A (en) | 2016-03-10 | 2016-09-26 | The contact structure of contact |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6623853B2 (en) |
| CN (1) | CN107181083A (en) |
| TW (1) | TW201733216A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167197A (en) * | 2018-09-17 | 2019-01-08 | 四川华丰企业集团有限公司 | A kind of high-voltage electric connector |
| CN111817056A (en) * | 2020-06-12 | 2020-10-23 | 宁波公牛电器有限公司 | Plug bush and socket |
| CN113258334A (en) * | 2021-04-29 | 2021-08-13 | 中航光电科技股份有限公司 | Improved flashover structure and connector using same |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019038423A (en) | 2017-08-25 | 2019-03-14 | 株式会社シマノ | Bicycle connector |
| JP7348258B2 (en) | 2021-12-20 | 2023-09-20 | 日本航空電子工業株式会社 | terminal |
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| WO2013156379A1 (en) * | 2012-04-16 | 2013-10-24 | Tyco Electronics Amp Gmbh | Contact assembly with at least two contact arms, and contact arrangement comprising a contact assembly with at least two contact arms |
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| CN105375145A (en) * | 2014-08-06 | 2016-03-02 | 第一电子工业株式会社 | Contactor and connector having the same |
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| JPS6379076U (en) * | 1986-11-12 | 1988-05-25 | ||
| JPH0751739Y2 (en) * | 1989-10-24 | 1995-11-22 | 京セラエルコ株式会社 | Current supply connector |
| JPH03106666U (en) * | 1990-02-20 | 1991-11-05 | ||
| JP2001006785A (en) * | 1999-06-23 | 2001-01-12 | Hirose Electric Co Ltd | Terminal for inserting and pulling hot line, and electric connector having it |
| JP2001266985A (en) * | 2000-03-24 | 2001-09-28 | Fujikura Ltd | Male terminal and connector and electric connection structure using it |
| JP3507434B2 (en) * | 2000-07-21 | 2004-03-15 | 山一電機株式会社 | Card connector and elastic contact piece |
| JP2004158236A (en) * | 2002-11-05 | 2004-06-03 | Auto Network Gijutsu Kenkyusho:Kk | Terminal for electrical connection, and terminal pair |
| JP4658508B2 (en) * | 2004-03-31 | 2011-03-23 | イリソ電子工業株式会社 | Terminal for electrical connection |
| JP4799327B2 (en) * | 2006-09-06 | 2011-10-26 | モレックス インコーポレイテド | Module socket |
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2016
- 2016-03-10 JP JP2016046489A patent/JP6623853B2/en not_active Expired - Fee Related
- 2016-05-25 TW TW105116281A patent/TW201733216A/en unknown
- 2016-09-26 CN CN201610852596.7A patent/CN107181083A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013156379A1 (en) * | 2012-04-16 | 2013-10-24 | Tyco Electronics Amp Gmbh | Contact assembly with at least two contact arms, and contact arrangement comprising a contact assembly with at least two contact arms |
| CN104904073A (en) * | 2013-01-04 | 2015-09-09 | 安德森动力产品公司 | Electrical connector with anti-arcing feature |
| CN103762433A (en) * | 2014-01-13 | 2014-04-30 | 四川华丰企业集团有限公司 | Contact element of double-breakpoint three-dimensional layout structure and high-voltage electric connector thereof |
| CN105375145A (en) * | 2014-08-06 | 2016-03-02 | 第一电子工业株式会社 | Contactor and connector having the same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167197A (en) * | 2018-09-17 | 2019-01-08 | 四川华丰企业集团有限公司 | A kind of high-voltage electric connector |
| CN111817056A (en) * | 2020-06-12 | 2020-10-23 | 宁波公牛电器有限公司 | Plug bush and socket |
| CN113258334A (en) * | 2021-04-29 | 2021-08-13 | 中航光电科技股份有限公司 | Improved flashover structure and connector using same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017162698A (en) | 2017-09-14 |
| JP6623853B2 (en) | 2019-12-25 |
| TW201733216A (en) | 2017-09-16 |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170919 |
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| WW01 | Invention patent application withdrawn after publication |