CN111711009A - Contact finger structure, electric connection structure, channel selector and power divider - Google Patents
Contact finger structure, electric connection structure, channel selector and power divider Download PDFInfo
- Publication number
- CN111711009A CN111711009A CN202010610803.4A CN202010610803A CN111711009A CN 111711009 A CN111711009 A CN 111711009A CN 202010610803 A CN202010610803 A CN 202010610803A CN 111711009 A CN111711009 A CN 111711009A
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- Prior art keywords
- contact
- copper bar
- module
- buffer
- carrier
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- Granted
Links
- 239000000872 buffer Substances 0.000 claims abstract description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 86
- 229910052802 copper Inorganic materials 0.000 claims description 86
- 239000010949 copper Substances 0.000 claims description 86
- 230000003139 buffering effect Effects 0.000 claims description 15
- 235000014676 Phragmites communis Nutrition 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 7
- 238000009826 distribution Methods 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 244000273256 Phragmites communis Species 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- 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
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
-
- 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
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- 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
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
- H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
The invention relates to the technical field of charging equipment, in particular to a contact finger structure which comprises a contact part and a buffer part, wherein the contact part is used for establishing electric connection, the buffer part is arranged on one side of the contact part, at least one part of the buffer part protrudes out of the contact part, and the protruding part of the buffer part is overlapped before the contact part in the electric connection.
Description
Technical Field
The invention relates to the technical field of charging equipment, in particular to a contact finger structure, an electric connection structure, a channel selector and a power divider.
Background
With the progress of society and the enhancement of environmental awareness, electric vehicles are more and more concerned by people, the charging problem of electric vehicles is related to the popularization and promotion of electric vehicles, and in order to charge electric vehicles with different capacities, many companies begin to research and manufacture charging stacks capable of distributing power.
In the conventional flexible power distribution system of the charging pile, a core unit is a PDU (Power distribution Unit) which is used as an intermediate junction of a power supply and a charging terminal and plays a role in connection and distribution, but when a selector of the PDU is used for switching electric power, an electrode of the selector is directly contacted with a power supply copper bar or a copper bar of the charging terminal during lapping, and the direct contact can generate large friction, so that the surface coating of the copper bar is damaged, the current-carrying capacity of the copper bar is reduced, and electric energy loss is generated; meanwhile, due to manufacturing tolerance and other reasons, when the electrode of the selector is lapped with the power copper bar or the copper bar of the charging terminal, the problem that the contact is not carried out or the contact pressure is too large can exist, and circuit faults and even the copper bar is burnt out easily.
Disclosure of Invention
The invention provides a contact finger structure, aiming at solving the technical problems that in the prior art, when an electrode of a selector of a power distribution system is in lap joint with a power supply copper bar or a charging terminal copper bar, the electrode is in direct contact, large friction is generated, the copper bar is easy to damage, and electric energy loss is easy to generate.
The technical scheme of the invention is as follows:
a finger structure comprising:
a contact portion for establishing electrical connection;
the buffer part is arranged on one side of the contact part, at least one part of the buffer part protrudes out of the contact part, and the protruding part of the buffer part is overlapped before the contact part in the electric connection.
Further, still include the electric conductor, the one end of electric conductor extends and forms the extension towards the contact copper bar, the extension end of extension forms contact portion, contact portion is embedded to have the reed.
Further, the buffer device also comprises a bearing body, wherein the bearing body is fixedly connected with the extension part, and the buffer part is arranged on the bearing body.
Further, the buffer portion includes:
a buffer member, at least a portion of which protrudes from the contact portion;
the elastic cantilever, the one end of elastic cantilever connect in the supporting body, the other end of elastic cantilever connect in the bolster.
In another aspect of the present invention, there is provided an electrical connection structure comprising a finger structure as described in any one of the above.
Further, an electric connection structure still includes contact pressure monitoring module, contact pressure monitoring module includes:
the driving module is used for driving the contact part to carry out lapping action;
the pressure sensing module is arranged on the side of the buffer part, the buffer part is pressed to the pressure sensing module when buffering, and the pressure sensing module sends a feedback signal to the control module;
and the control module controls the start and stop of the driving module according to the feedback signal.
Further, an electrical connection structure, still includes the deflection module, the deflection module includes:
the base is configured to be installed in a deflection mode, the base is provided with an electric conductor, one end of the electric conductor extends towards the contact copper bar and forms an extending portion, the extending portion of the extending portion forms the contact portion, the base is driven by the driving module to deflect, and the base deflects to enable the contact portion to be in lap joint with the contact copper bar.
Further, the deflection module further comprises a hinge rod, a first end of the hinge rod is hinged to the fixed block, and a second end of the hinge rod is hinged to the base.
Further, an electrical connection structure further includes a carrier, the buffer portion is disposed on the carrier, and the buffer portion includes:
a buffer member, at least a portion of which protrudes from the contact portion;
the elastic cantilever, the one end of elastic cantilever connect in the supporting body, the other end of elastic cantilever connect in the bolster.
Furthermore, a bearing arm extends out of the bearing body, and the pressure sensing module is arranged on the bearing arm.
In still another aspect of the present invention, there is provided a channel selector including:
an electrical connection structure as in any one of the above;
the movable carrier is internally provided with the electric connection structure, and the fixed block is fixed on the movable carrier.
Furthermore, the two ends of the conductive piece are both provided with the contact finger structures, the contact part of the contact finger structure at the first end of the conductive piece faces to the horizontal contact copper bar, the contact part of the contact finger structure at the second end of the conductive piece faces to the vertical contact copper bar, and the movable carrier is provided with an avoiding opening for the overlapping action of the contact finger structures at the first end and the second end of the conductive body.
Further, the driving module includes:
the motor is electrically connected with the control module;
one end of the screw rod is connected with an output shaft of the motor, the other end of the screw rod is in threaded connection with the driving block, and two ends of the driving block are respectively connected with a sliding block;
the driving block and the sliding block can slide on the guide rod;
and the moving seat is movably connected with the sliding block and is provided with a conductive piece.
In still another aspect of the present invention, there is provided a power divider comprising:
a channel selector as claimed in any one of the preceding claims;
the transverse copper bar is in lap joint with a reed of a contact finger structure at the first end of the conductive piece in the channel selector;
the vertical copper bar is in lap joint with a reed of a contact finger structure of the second end of the conductive piece in the channel selector, and the vertical copper bar and the transverse copper bar are vertically arranged and are respectively electrically connected with the power supply and the charging terminal.
After the technical scheme is adopted, the contact finger structure provided by the invention has the following beneficial effects compared with the prior art:
(1) when the contact part is in lap joint with the contact copper bar, the buffer part is in contact with the contact copper bar in advance, and then the elastic cantilever buffers partial pressure, so that the contact part is in slow lap joint with the contact copper bar, and the conditions that the current-carrying capacity of the contact copper bar is reduced, and the circuit fault occurs and even the contact copper bar is burnt are avoided;
(2) the electric conductor is a copper bar and is integrally formed, so that the problems that the copper bar needs to be crimped, the occupied space is large and the like are solved, and meanwhile, the contact part adopts a reed, so that the current of more than 300A can be borne, and high-power charging is realized;
(3) the electric connection structure is provided with the pressure sensing module which is electrically connected with the control module, the pressure sensing module is arranged below the buffering piece, when the buffering piece is contacted with the contact copper bar and is continuously pressed down to the strain gauge, the strain gauge feeds back the received pressure to the control module, the control module judges whether the contact part and the contact copper bar are in lap joint in place or not according to a feedback signal, then the drive module drives the contact part to move until the pressure of the contact part and the contact copper bar reaches a set interval range, and the contact part and the contact copper bar are judged to be in lap joint in place. The electric connection structure of this embodiment is through setting up the contact pressure that the foil gage comes induction contact site and contact copper bar, prevents that contact site and contact copper bar contact from not leading to the virtual contact or contact pressure is too big with contact copper bar extrusion deformation.
Drawings
Fig. 1 is a schematic structural diagram of a finger structure according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first view angle of an electrical connection structure according to a second embodiment of the present invention;
fig. 3 is a structural diagram of an electrical connection structure according to a second perspective of the second embodiment of the present invention;
fig. 4 is a schematic structural diagram of a conductive device according to a second embodiment of the present invention;
FIG. 5 is a schematic diagram of a channel selector according to a third embodiment of the present invention;
FIG. 6 is a schematic diagram of a channel selector (without a cover plate) according to a third embodiment of the present invention;
fig. 7 is a schematic structural diagram of a power divider according to a fourth embodiment of the present invention.
Wherein the content of the first and second substances,
the touch finger structure 1, the conductor 11, the contact part 111, the extension part 112, the spring 113, the carrier 12, the buffer part 121, the buffer 1211, the elastic cantilever 1212, the pressure sensing module 13, and the support arm 131;
the device comprises a motor 21, a screw rod 22, a driving block 23, a sliding block 24, an inclined plane 241, a guide rod 25, a spring 251, a moving seat 26, a base 27, a limiting frame 271, a hinge rod 28 and a fixed block 29;
a channel selector 3, a movable carrier 31, a conductive member 32, an escape opening 311, a housing 312, a cover plate 313;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The first embodiment is as follows:
as shown in fig. 1, the contact finger structure 1 of the present embodiment includes a conductive body 11 and a supporting body 12, the conductive body 11 is provided with a contact portion 111 for overlapping with a contact copper bar, the supporting body 12 extends a supporting arm, the supporting arm is connected with a buffering portion 121, the buffering portion 121 includes a resilient cantilever 1212 and a buffering element 1211, one end of the resilient cantilever 1212 is connected to the supporting arm of the supporting body 12, the other end of the resilient cantilever 1212 is connected to the buffering element 1211, a portion of the buffering element 1211 protrudes out of the contact portion 111, when the contact portion 111 overlaps with the contact copper bar, the protruding portion of the buffering element 1211 contacts with the contact copper bar before the contact portion 111 contacts with the contact copper bar, the buffering portion 121 of the present embodiment is made of nylon plastic, the nylon has high mechanical strength and good toughness, and is not easily broken when bent, when overlapping is performed, the buffering element 1211 contacts, make contact site 111 and the slow overlap joint of contact copper bar, avoided not having buffering direct contact to produce too big frictional force and lead to contact copper bar surface coating to damage, then lead to contact copper bar current-carrying capacity to diminish, the condition of circuit trouble even burning out the contact copper bar appears.
Further, one end of the conductive body 11 of the present embodiment extends toward the contact copper bar and forms an extension portion 112, the extension portion 112 and the carrier 12 are fixedly connected by a screw, the extension portion of the extension portion 112 forms a contact portion 111, and a spring 113 is embedded in the contact portion 111; the electric conductor 11 of this embodiment is the copper bar, and is integrated into one piece, has avoided the copper bar to need the big scheduling problem of crimping occupation space, and contact site 111 adopts reed 113 simultaneously, can bear the electric current more than 300A, realizes high-power charging.
Further, the supporting body 12 and the buffering portion 121 of the embodiment are integrally formed, and both are made of nylon plastic, and meanwhile, the buffering portion 121 is disposed on both sides of the contact portion 111, so that the contact portion 111 can be better buffered when being lapped with a contact copper bar.
Example two:
in another aspect of the present invention, as shown in fig. 2, the electrical connection structure of this embodiment includes a finger structure 1 and a contact pressure monitoring module in the first embodiment, the contact pressure monitoring module includes a pressure sensing module 13, a control module and a driving module, the pressure sensing module 13 is disposed at a side of a buffer portion 121, the buffer portion 121 is pressed to the pressure sensing module 13 when buffered, the pressure sensing module 13 sends a feedback signal to the control module, the control module controls the driving module to start and stop according to the feedback signal, the driving module is used for driving a contact portion 111 to perform a lapping action, specifically, a supporting arm 131 further extends on the supporting body 12 of this embodiment, the pressure sensing module 13 is disposed on the supporting arm 131, the pressure sensing module 13 employs a strain gauge, and of course, a piezoresistive pressure sensor or a capacitive pressure sensor may also be employed, the strain gauge is disposed below the buffer 1211 and is electrically connected to the control module, when the buffer 1211 is in contact with the contact copper bar and is continuously pressed down to the strain gauge, the strain gauge feeds the pressure applied to the strain gauge back to the control module, the control module judges whether the contact portion 111 and the contact copper bar are in lap joint in place according to the feedback signal, if the contact portion 111 and the contact copper bar are not in lap joint in place, the control module controls the driving module to drive the contact portion 111 to move until the pressure of the contact portion 111 and the contact copper bar reaches a set interval range, and namely, the contact portion 111 and the contact copper bar are in lap joint in place. The electric connection structure of this embodiment is through setting up the foil gage and come the contact pressure of induction contact portion 111 and contact copper bar, prevents that contact portion 111 and contact copper bar contact from not leading to on the virtual joint or contact pressure is too big with contact copper bar extrusion deformation.
Further, as shown in fig. 2-4, the driving module of the present embodiment includes a motor 21, a screw 22, a driving block 23, a sliding block 24, a guiding rod 25 and a moving seat 26, the motor 21 is electrically connected to the control module, the screw 22 is connected to an output shaft of the motor 21, the screw 22 is in threaded connection with the driving block 23, the driving block 23 and the sliding block 24 are fixedly connected and can slide on the guiding rod 25, the moving seat 26 is used for driving the conductive member 32 to move, and one end of the conductive member 32 is provided with the finger structure 1 as in the first embodiment.
The electric connection structure of this embodiment still includes the deflection module, and the deflection module includes base 27 and articulated pole 28, and base 27 and conductive piece 32 fixed connection, the first end of articulated pole 28 articulate in base 27, and the second end of articulated pole 28 articulates in fixed block 29, and this embodiment realizes the overlap joint of contact finger structure 1 and the contact copper bar of conductive piece 32 through deflection module and drive module cooperation.
When the contact pressure of the contact part 111 and the contact copper bar is smaller than the set pressure range, the control module drives the motor 21 to rotate, the motor 21 drives the driving block 23 to move outwards through the screw rod 22, so as to drive the sliding block 24 to slide, the sliding block 24 further pushes the moving seat 26 to move, and until the contact pressure is within the set pressure range, the control module controls the motor 21 to stop rotating and lock the motor shaft; when the contact pressure between the contact part 111 and the contact copper bar is larger than the set pressure range, the control module drives the motor 21 to rotate reversely, the driving block 23 and the sliding block 24 are driven to move inwards, the moving seat 26 and the conductive piece 32 also move inwards under the action of gravity and the deflection module, until the contact pressure is in the set range, the control module controls the motor 21 to stop rotating and lock the motor shaft, the deflection module of the embodiment limits the moving range of the conductive piece 32, when a fault occurs, such as the driving module drives the conductive piece 32 to move outwards all the time, the hinge rod 28 and the fixed seat can bear certain force, and the conductive piece 32 is prevented from directly damaging the contact copper bar.
Furthermore, the base 27 of the present embodiment is further fixed with a limiting frame 271, and when the conductive device 32 and the base 27 accidentally fall off, the limiting frame 271 can prevent the conductive device 32 from falling off and causing a failure.
Example three:
in another aspect of the present invention, as shown in fig. 5 to 6, a channel selector 3 of this embodiment includes an electrical connection structure of the second embodiment and a movable carrier 31, two ends of a conductive device 32 in this embodiment are respectively provided with a finger structure 1 of the first embodiment, the two finger structures 1 are respectively used for overlapping with a horizontal copper bar 41 and a vertical copper bar 42, the movable carrier 31 is provided with an avoidance opening 311 for accommodating overlapping actions of the finger structures 1 at the first end and the second end of the conductive device 32, the number of the conductive devices 32 is two, and meanwhile, two sliding blocks 24, a movable seat 26 and a deflection assembly are respectively correspondingly arranged in the movable carrier 31 of this embodiment.
Further, the movable carrier 31 further comprises a shell 312 and a cover plate 313, the fixing block 29 is fixed on the cover plate 313 through screws, an inclined surface 241 is arranged on the sliding block 24 in the embodiment, a movable surface matched with the inclined surface 241 is also arranged on the movable seat 26, due to the action of the inclined surface 241 and the deflection module, the conductive piece 32 in the embodiment can simultaneously receive a downward force and an upward force in the right direction in fig. 5 when moving, so that the reeds 113 of the two contact finger structures 1 on the conductive piece 32 are in front contact with the contact copper bar, the reeds 113 of the contact finger structures 1 on the conductive piece 32 are prevented from performing friction movement on the contact copper bar, and then the conditions of contact copper bar plating wear and electric energy loss are generated.
Alternatively, the driving block 23 and the sliding block 24 may be movably connected, and the spring 251 sleeved on the guiding rod 25 applies pressure to the sliding block 24, so as to achieve the electrical connection between the conductive member 32 and the contact copper bar.
Example four:
in a further aspect of the present invention, as shown in fig. 7, the power divider of the present embodiment includes a channel selector 3 of the third embodiment, and further includes two parallel horizontal copper bars 41 and 6 parallel vertical copper bars 42, the channel selector 3 is located below the horizontal copper bars 41, the contact finger contact portions 111 of the first ends of the two conductive pieces 32 of the channel selector 3 are respectively overlapped with the horizontal copper bars 41, the contact finger contact portions 111 of the second ends of the two conductive pieces 32 of the channel selector 3 are respectively overlapped with the vertical copper bars 42, the horizontal copper bars 41 are electrically connected to the power supply, the vertical copper bars 42 are electrically connected to the charging terminal, and when a channel needs to be switched, the channel selector 3 is moved to select different vertical copper bars 42.
As can be seen from the above, the contact finger structure provided in this embodiment can buffer the pressure generated when the electrode of the channel selector and the contact copper bar are lapped, and reduce the physical wear and the electrical energy loss caused by the friction to the copper bar.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (14)
1. A finger structure, comprising:
a contact (111) for establishing an electrical connection;
and a buffer part (121), wherein the buffer part (121) is arranged on one side of the contact part (111), at least one part of the buffer part (121) protrudes out of the contact part (111), and the protruding part of the buffer part (121) is overlapped before the contact part (111) in the electric connection.
2. A contact finger structure according to claim 1, further comprising an electric conductor (11), wherein one end of the electric conductor (11) extends towards the contact copper bar and forms an extension (112), the extension of the extension (112) forms the contact part (111), and the contact part (111) is embedded with a spring (113).
3. A finger structure according to claim 2, further comprising a carrier (12), wherein said carrier (12) is fixedly connected to said extension (112), and said cushioning portion (121) is disposed on said carrier (12).
4. A finger structure according to claim 3, characterised in that said buffer (121) comprises:
a buffer member (1211), at least a portion of the buffer member (1211) protruding from the contact portion (111);
a flexible cantilever (1212), one end of the flexible cantilever (1212) is connected to the carrier (12), and the other end of the flexible cantilever (1212) is connected to the bumper (1211).
5. An electrical connection comprising a finger structure according to any of claims 1 to 4.
6. An electrical connection structure as claimed in claim 5, further comprising a contact pressure monitoring module, the contact pressure monitoring module comprising:
the driving module is used for driving the contact part (111) to carry out lapping action;
a pressure sensing module (13), wherein the pressure sensing module (13) is arranged on the side of the buffer part (121), the buffer part (121) is pressed to the pressure sensing module (13) when buffering, and the pressure sensing module (13) sends a feedback signal to a control module;
and the control module controls the start and stop of the driving module according to the feedback signal.
7. An electrical connection structure as claimed in claim 6, further comprising a deflection module, the deflection module comprising:
the base (27) is configured to be installed in a deflection mode, a conductive piece (32) is configured on the base (27), one end of the conductive piece (32) extends towards a contact copper bar and forms an extending portion (112), the extending portion of the extending portion (112) forms the contact portion (111), the base (27) is driven by the driving module to deflect, and the base (27) deflects to enable the contact portion (111) to be overlapped with the contact copper bar.
8. An electrical connection according to claim 7, characterized in that the deflection module further comprises a hinge lever (28), a first end of the hinge lever (28) being hinged to a fixed block (29), a second end of the hinge lever (28) being hinged to the base (27).
9. An electrical connection structure as claimed in claim 6, further comprising a carrier (12), wherein the buffer portion (121) is disposed on the carrier (12), and wherein the buffer portion (121) comprises:
a buffer member (1211), at least a portion of the buffer member (1211) protruding from the contact portion (111);
a flexible cantilever (1212), one end of the flexible cantilever (1212) is connected to the carrier (12), and the other end of the flexible cantilever (1212) is connected to the bumper (1211).
10. An electrical connection structure as claimed in claim 9, wherein a supporting arm (131) further extends from the carrier (12), and the pressure sensing module (13) is disposed on the supporting arm (131).
11. A channel selector, comprising:
the electrical connection structure according to any one of claims 8 to 10;
the movable carrier (31), the electric connection structure is arranged in the movable carrier (31), and the fixed block (29) is fixed on the movable carrier (31).
12. A channel selector according to claim 11, wherein said finger structures are disposed at both ends of a conductive member (32), a contact portion (111) of the finger structure at a first end of the conductive member (32) faces a lateral contact copper bar, a contact portion (111) of the finger structure at a second end of the conductive member (32) faces a vertical contact copper bar, and the movable carrier (31) is provided with an avoiding opening (311) for accommodating overlapping action of the finger structures at the first end and the second end of the conductive member (11).
13. A channel selector as claimed in claim 12, wherein the drive module comprises:
the motor (21), the said motor (21) and control module electrical connection;
one end of the screw rod (22) is connected with an output shaft of the motor (21), the other end of the screw rod (22) is in threaded connection with the driving block (23), and two ends of the driving block (23) are respectively connected with a sliding block (24);
a guide rod (25), on which the driving block (23) and the sliding block (24) can slide;
the moving seat (26) is movably connected with the sliding block (24), and a conductive piece (32) is arranged on the moving seat (26).
14. A power divider, comprising:
a channel selector as claimed in any one of claims 11 to 13;
the transverse copper bar (41), the transverse copper bar (41) is lapped with a reed (113) of a contact finger structure at the first end of the conductive piece (32) in the channel selector;
vertical copper bar (42), vertical copper bar (42) with reed (113) overlap joint of the contact finger structure of electrically conductive piece (32) second end in the channel selector, vertical copper bar (42) with horizontal copper bar (41) are arranged perpendicularly, electric connection charge terminal and power respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010610803.4A CN111711009B (en) | 2020-06-29 | 2020-06-29 | Contact finger structure, electric connection structure, channel selector and power divider |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010610803.4A CN111711009B (en) | 2020-06-29 | 2020-06-29 | Contact finger structure, electric connection structure, channel selector and power divider |
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| CN111711009A true CN111711009A (en) | 2020-09-25 |
| CN111711009B CN111711009B (en) | 2022-07-08 |
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| CN111711009B (en) | 2022-07-08 |
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Effective date of registration: 20231211 Address after: 213000 No.39 longhui Road, Wujin national high tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee after: Wanbang Digital Energy Co.,Ltd. Patentee after: Guochuang mobile energy innovation center (Jiangsu) Co.,Ltd. Address before: 213000 5-a201, chuangyangang, Changzhou science and Education City, No. 18, Changwu Middle Road, Wujin District, Changzhou City, Jiangsu Province Patentee before: Guochuang mobile energy innovation center (Jiangsu) Co.,Ltd. |
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