CN106953214B - Connector plug with two groups of different current pin groups - Google Patents
Connector plug with two groups of different current pin groups Download PDFInfo
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- CN106953214B CN106953214B CN201710076095.9A CN201710076095A CN106953214B CN 106953214 B CN106953214 B CN 106953214B CN 201710076095 A CN201710076095 A CN 201710076095A CN 106953214 B CN106953214 B CN 106953214B
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- button
- assembly
- pin
- power supply
- locking
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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
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
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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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
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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
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
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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
- H01R29/00—Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, programmable connectors
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The connector plug with two groups of different current pin groups is provided, and comprises a conversion pin assembly (3) with two ends respectively being a standard pin group meeting 10A current and a standard pin group meeting 16A current, so that when the connector plug is used, the standard pin group at one end is selected to be matched with the specification of a power supply socket; the power supply connecting seat assembly (4) is used for electrically and structurally connecting the conversion pin assembly and the backup load, one end of the power supply connecting seat assembly (4) is provided with a jack matched with the pin group of the conversion pin assembly (3), and the other end of the power supply connecting seat assembly is used for connecting the backup load; a locking/unlocking device is arranged between the conversion pin assembly (3) and the power supply connecting seat assembly (4) so as to lock the conversion pin assembly (3) and unlock the conversion pin assembly from the power supply connecting seat assembly (4) when the conversion pin assembly is used and the standard pin assembly is required to be switched, and the standard pin assembly with the other end face being switched is inserted into the power supply connecting seat assembly (4).
Description
Technical Field
The present invention relates to an electrical connector plug, and more particularly to a connector plug having two different current pin sets.
Background
With the popularization and diversification of electric appliances, the requirements on the universality, the reliability and the safety performance of the connector are also higher and higher.
However, the current specifications of the interfaces of the household 10A and 16A sockets are not compatible, so that the connection between the electric equipment and the power supply socket/outlet, such as household charging of an electric automobile, is inconvenient.
Disclosure of Invention
Therefore, the connector plug with two groups of different current pin groups is provided, so that one plug is compatible with 10A and 16A socket interfaces through the convertible pin groups, and the safety, applicability and convenience of household charging of electric equipment such as electric automobiles are improved.
According to one aspect of the present invention, there is provided a connector plug having two different current pin sets, which includes a conversion pin assembly, wherein two ends of the conversion pin assembly are respectively a standard pin set meeting 10A current and a standard pin set meeting 16A current, so that when in use, the standard pin set at one end is selected to be matched with the specification of a power supply socket/outlet, i.e. when in use, the standard pin set with the current value matched with the current specification of the power supply socket/outlet is selected to be inserted into the power supply socket/outlet according to the current specification of the power supply socket/outlet.
Further, the connector plug of the invention further comprises a power supply connecting seat component, wherein one end of the power supply connecting seat component is provided with a jack matched with the pin group of the conversion pin component, so that when the conversion pin component is connected with the power supply connecting seat component, the pin group at one end of the conversion pin component is inserted into the jack; the other end is a binding post and the like for connecting a backup load, and the power supply connecting seat component is used for electrically and structurally connecting the conversion pin component and the backup load.
When the power supply socket/plug board standard plug pin assembly is used, one end of a standard plug pin assembly matched with the power supply socket/plug board standard in two ends of the conversion plug pin assembly is connected with the power supply socket/plug board, the standard plug pin assembly at the other end is inserted into a jack of the power supply connecting seat assembly, and when the power supply socket/plug board standard is changed, the standard plug pin assembly at the other end of the conversion plug pin assembly is connected with the power supply socket/plug board.
Further, the conversion pin assembly comprises a pin assembly shell, wherein the pin assembly shell is formed by nesting two parts and is arranged between the two standard pin groups; the power supply connecting seat assembly comprises a connecting seat assembly shell at the periphery of the power supply connecting seat assembly, and the connecting seat assembly shell is formed by nesting two parts; the conversion contact pin assembly and the power supply connecting seat assembly are connected in a locking mode/unlocked in a unlocking mode through a locking/unlocking device arranged between the contact pin assembly shell and the connecting seat assembly shell.
The locking/unlocking device has the functions of: in the process of using the connector plug, the conversion pin assembly and the power supply connecting seat assembly are mutually connected through the standard pin group and the jack and are fixed through the locking/unlocking device, so that the conversion pin assembly and the power supply connecting seat assembly are not easily separated due to relative locking, and the use safety is ensured; when the standard pin group is required to be switched and inserted, the locking/unlocking device is used for unlocking the locking of the conversion pin assembly and the power supply connection seat assembly, so that the standard pin group of the conversion pin assembly is pulled out of the jack of the power supply connection seat assembly.
Further, the locking/unlocking device comprises a button and a spring piece which are arranged on the outer side surface of the pin assembly shell; the two ends of the elastic sheet are pressed on the supporting surface of the contact pin assembly shell, the middle part of the elastic sheet is clamped on the clamping part of the button, and the outer side of the clamping part of the button is provided with a neck part and a pressing part in sequence; the button and the elastic sheet are symmetrically arranged on the periphery of the outer side surface of the contact pin assembly shell, so that the symmetrical force is applied during the pressing operation; the locking/unlocking device further comprises a locking piece, one end of the locking piece is fixed on the connecting seat component shell, the other end of the locking piece is positioned between the button and the elastic piece, and the locking/unlocking piece comprises a hole, wherein the size of the hole is designed to be not smaller than the size of the clamping part in the direction perpendicular to the pressed direction of the button; the locking piece also comprises an open locking groove connected with the hole, and the width of the locking groove is larger than the neck and smaller than the dimension of the clamping part in the direction perpendicular to the pressed direction of the button and the inserting and extracting direction of the contact pin group; when the spring plate is in a normal state, the clamping part of the button is positioned at the hole position, because the width of the locking groove above the spring plate is smaller than that of the clamping part, the clamping part is clamped in the hole, and at the moment, the clamping part corresponds to the locking position; when the button is pressed, the elastic sheet deforms and compresses until the clamping part moves to be in contact with the supporting surface of the shell of the pin assembly, so that the button does not act any more, the neck of the button moves into the hole, and at the moment, the neck is corresponding to the unlocking position, because the size of the neck is smaller than that of the locking groove, the neck of the button is forced outwards along the direction of inserting and pulling the pin to be separated along the locking groove, and the conversion pin assembly is separated from the power supply connecting seat assembly.
For convenience of description, the button as a whole is divided into a pressing portion, a neck portion, and a catching portion according to a difference in size perpendicular to a direction in which the button is pressed, and in general, the pressing portion has a size larger than the catching portion, and the catching portion is larger than the neck portion.
Further, the connection between the same phases of the pin groups at two ends of the switching pin assembly can be performed by selecting one of the following modes: a) Processing with the same pin guide body; b) Shorting with a third conductor; c) And (5) adopting PCB board over-switching.
Further, a spring contact piece is arranged in the power supply connection seat assembly and used for being connected with the pin group of the conversion pin assembly.
Still further the power supply connection seat subassembly still includes the circuit board subassembly that sets up in being close to conversion contact pin subassembly one end, dabs the switch on the circuit board subassembly lateral surface, dabs the switch button and exceeds power supply connection seat subassembly terminal surface, sets up the dodge groove that the size is greater than dab switch button naked high on the corresponding position of an terminal surface of conversion contact pin subassembly, does not set up dodge groove or set up the dodge groove that the size is less than dab switch button naked high on the corresponding position of another terminal surface to judge the power supply specification of power strip that current plug joined in marriage through the switch position of dab switch, feed back to reserve current protection device.
In addition to the above-described tact switch, the judgment/detection of the specification of the strip/socket may be realized by: more than one permanent magnet is arranged on one of the two end faces of the conversion contact pin assembly, a magnetic switch is arranged at a corresponding position of the power supply connection seat assembly, which is close to the end face of the conversion contact pin assembly, when the end face of the conversion contact pin assembly, where the permanent magnet is placed, is inserted with the power supply connection seat assembly, the magnetic switch is magnetized by the magnetic field of the permanent magnet, and a magnetic switch circuit is connected; when the end face of the conversion contact pin assembly, where the permanent magnet is not placed, is inserted with the power supply connection seat assembly, the magnetic switch is not magnetized by the magnetic field of the permanent magnet, the magnetic switch circuit is not connected, and the control unit of electric equipment such as an electric automobile and charging equipment can judge the current charging power supply current specification according to the on-off characteristics of the magnetic switch circuit.
Furthermore, the connector plug of the invention also comprises a waterproof/dust rubber ring which is used for pressing contact end surfaces of the switching pin assembly and the power supply connection seat assembly when the switching pin assembly and the power supply connection seat assembly are locked, so that external splash/dust is prevented from entering the power supply connection seat assembly through the pin connection opening.
Further, the power supply connection seat assembly is also provided with a temperature sensor element for monitoring/feeding back temperature information of the connector plug in the using process.
According to another aspect of the invention, the invention further comprises an electric automobile connector plug with two groups of different current pin groups, which comprises a conversion pin assembly and a power supply connection seat assembly, wherein the two ends of the conversion pin assembly are respectively a standard pin group conforming to 10A current and a standard pin group conforming to 16A current, so that when the connector plug is used, the standard pin group at one end is selected to be matched with the specification of a power supply socket/outlet, and the standard pin group at the other end is connected with the power supply connection seat assembly; one end of the power supply connecting seat component is provided with a jack matched with the pin group of the conversion pin component, and the other end of the power supply connecting seat component is used for connecting a backup load; the switching contact pin assembly comprises a contact pin assembly shell, the power supply connecting seat assembly comprises a connecting seat assembly shell, the switching contact pin assembly and the power supply connecting seat assembly are connected in a locking mode/unlocked in a unlocking mode through a locking/unlocking device arranged between the contact pin assembly shell and the connecting seat assembly shell, and the locking/unlocking device comprises a button and an elastic sheet which are arranged on the outer side face of the contact pin assembly shell; the two ends of the elastic sheet are pressed on the supporting surface of the contact pin assembly shell, the middle part of the elastic sheet is clamped on the clamping part of the button, and the outer side of the clamping part of the button sequentially comprises a neck part and a pressing part of the button; the button and the elastic sheet are symmetrically arranged on the periphery of the outer side surface of the contact pin assembly shell, so that the symmetrical force is applied during the pressing operation;
the locking/unlocking device further comprises a locking piece, one end of the locking piece is fixed on the connecting seat component shell, the other end of the locking piece is used for being connected between the button and the elastic piece, the locking piece comprises a hole, and the size of the hole is designed to be not smaller than the size of the clamping part in the direction perpendicular to the pressed direction of the button, so that the clamping part can move in the pressing direction when the elastic piece is in the hole and is separated from the hole in the normal state; the locking piece is further provided with an open locking groove connected with the hole, the width of the locking groove is larger than the neck and smaller than the size of the clamping part perpendicular to the pressed direction of the button and the inserting and pulling direction of the contact pin group, so that the clamping part is positioned at Kong Weizhi and clamped by the locking groove in the normal state of the elastic piece, the elastic piece is compressed by pressing the button, the neck moves into the hole along the pressed direction (at the moment, the button is pressed to the contact part to be contacted with the supporting surface of the shell of the contact pin assembly and cannot move any further), the acting force direction is changed to enable the neck of the button to be separated along the locking groove, and the conversion contact pin assembly is separated from the power supply connecting seat assembly.
The invention improves the convenience and safety of the connector plug in use, such as charging of a charging automobile.
Drawings
These and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the following detailed description of the embodiments of the invention, taken in conjunction with the accompanying drawings, wherein:
fig. 1 is a schematic perspective view illustrating the structural shapes of a conversion pin assembly and a power connection base assembly according to an embodiment of the present invention;
FIG. 2 is a front view of a conversion pin assembly according to an embodiment of the present invention;
FIG. 3 is a top view of a power connection base assembly according to an embodiment of the present invention;
FIG. 4 is a schematic front cross-sectional view of a power connection assembly according to an embodiment of the present invention;
FIG. 5 is a schematic view showing an exploded structure of a connector plug with two different current pin sets according to an embodiment of the present invention
FIG. 6 is a schematic cross-sectional view of a button and spring mounted on a housing of a pin assembly according to an embodiment of the present invention;
FIG. 7 is a schematic perspective view of a locking tab according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of the positional relationship of the button, spring and locking tab when the conversion pin assembly is locked with the power connection block assembly in an embodiment of the present invention;
FIG. 9 is a schematic cross-sectional view of a locking tab when the conversion pin assembly is locked to the power connection block assembly in accordance with an embodiment of the present invention;
FIG. 10 is a schematic diagram illustrating the positional relationship of the button, spring and locking tab when the conversion pin assembly is unlocked from the power connector assembly in an embodiment of the present invention;
FIG. 11 is a schematic cross-sectional view of a locking tab when the conversion pin assembly is locked to the power connection block assembly in accordance with an embodiment of the present invention;
FIG. 12 is a cross-sectional view of a conversion pin assembly and a power connector assembly of an embodiment of the present invention, taken along a vertical plane;
FIG. 13 is a cross-sectional view taken along line B-B of FIG. 12;
FIG. 14 is a cross-sectional view taken along line C-C of FIG. 12;
fig. 15 is a sectional view taken along D-D in fig. 12.
Detailed Description
The present invention will be described in further detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to understand the invention better. Here, it is to be noted that in the drawings, the same reference numerals are given to constituent parts having substantially the same or similar structures and functions, and repeated description thereof will be omitted.
A connector plug with two groups of different current pin groups is mainly composed of a conversion pin assembly 3 and a power supply connecting seat assembly 4, as shown in figure 1, the two ends of the conversion pin assembly 3 are respectively a standard pin group meeting 10A current and a standard pin group meeting 16A current, when in use, the standard pin group at one end is selected to be matched with the specification of a power supply socket, the middle part is a pin assembly shell 7 for connecting the two groups of pin groups, and the shell is formed by nesting two parts.
As shown in fig. 3 and fig. 4, one end of the power supply connection seat component 4 is provided with a jack matched with the pin group of the conversion pin component, and a spring contact piece 9 is arranged at a corresponding position in the jack so that when the conversion pin component 3 is connected with the power supply connection seat connection component 4, the standard pin group at one end of the conversion pin component 3 is inserted between the spring contact pieces 9 in the jack to form electric connection; the other end is a binding post and the like for connecting a backup load, the periphery of the power supply connecting seat assembly 4 is a connecting seat assembly shell 10 which is formed by nesting two parts, the power supply connecting seat assembly 4 further comprises a circuit board assembly 5 for arranging and connecting related electrical elements, such as a tact switch for judging the power supply specification of a power strip matched with a current plug and feeding back to a backup current protection device, and a temperature sensor element for monitoring/feeding back the temperature information of a connector plug in the using process, and generally, the power supply connecting seat assembly 4 is used for electrically and structurally connecting the conversion pin assembly 3 and the backup load.
As can be seen from fig. 3 and 4, the circuit board assembly 5 of the power supply connection seat assembly 4 is disposed on the end face close to the upper conversion pin assembly 3, a tact switch or a similar element is disposed on the face facing the conversion pin assembly 3, a button of the tact switch or the similar element is disposed on the power supply connection seat assembly 4, the height of the tact switch button is higher than that of the end face of the power supply connection seat assembly 4, and a avoidance groove with an external dimension larger than/equal to the maximum exposure dimension of the tact switch is disposed at the position corresponding to the tact switch at one of two end faces of the conversion pin assembly 3, and the depth of the avoidance groove is larger than or equal to the maximum exposure height value of the tact switch compression bar. When the surface of the conversion contact pin with the avoidance groove is spliced with the power supply connecting seat, the tact switch is not pressed, and the normally open switch is not turned on/the normally closed switch is not turned off; when the other non-avoidance groove of the conversion contact pin assembly 3 or the end face of the non-avoidance groove with the size smaller than the avoidance groove is inserted into the power supply connecting seat assembly 4, the tact switch presses the plane or the non-avoidance groove corresponding to the conversion contact pin assembly, the normally open switch is turned on/off, the power specification of the power strip matched with the current plug is judged through the switch position of the tact switch, and feedback is carried out to the backup current protection device.
The tact switch can be realized in a permanent magnet mode and also plays a role in judging/detecting the specification of the power strip/socket: more than one permanent magnet is arranged on one of the two end faces of the conversion pin assembly 3, a magnetic switch is arranged at a corresponding position of the power supply connecting seat assembly 4, which is close to the end face of the conversion pin assembly 3, and when the end face of the conversion pin assembly 3, where the permanent magnet is placed, is inserted with the power supply connecting seat assembly 4, the magnetic switch is magnetized by the magnetic field of the permanent magnet, and a magnetic switch circuit is connected; when the end face of the conversion contact pin assembly 3, on which the permanent magnet is not placed, is inserted with the power supply connection seat assembly 4, the magnetic switch is not magnetized by the magnetic field of the permanent magnet, the magnetic switch circuit is not connected, and the electric equipment such as an electric automobile/charging equipment control unit can judge the current charging power supply current specification according to the on-off characteristic of the magnetic switch circuit.
As shown in fig. 5, in addition to the conversion pin assembly 3 and the power supply connection seat assembly 4, the connector plug of the present embodiment further includes a locking/unlocking device between the conversion pin assembly 3 and the power supply connection seat assembly 4, the locking/unlocking device is installed between the pin assembly housing 7 and the connection seat assembly housing 10, and includes a button 1, a spring plate 2 and a locking piece 8, as shown in fig. 6, when installed, both ends of the spring plate 2 are pressed on the supporting surface of the pin assembly housing 7, the middle part of the middle section is clamped on the clamping part 13 of the button 1, and the outer side of the clamping part 13 of the button 1 sequentially includes a neck part 12 and a pressing part 11 of the button 1; the button 1 and the elastic sheet 2 are symmetrically arranged on the periphery of the outer side surface of the contact pin assembly shell 7, so that symmetrical force is applied during pressing operation; as shown in fig. 7, a schematic perspective view of the locking piece 8 is shown, which includes a hole 81 and an open locking groove 82 connected to the hole 81, and as shown in fig. 4, one end of the locking piece 8 is fixed on the power supply connection seat assembly 4, and the other end, i.e., one end with the hole 81 and the locking groove 82, extends out of the power supply connection seat assembly 4, and when the conversion pin assembly 3 is connected and locked with the power supply connection seat assembly 4, one end with the hole 81 and the locking groove 82 is located between the button 1 and the spring 2.
Through the size of design hole 81 and the width of locking groove 82, make button 1 block in locking piece 8 before being pressed carry out mutual locking, through being pressed, change for locking piece 8's positional relationship to can with locking piece 8 mutual unblock, thereby realize conversion contact pin subassembly 3 and power supply connection seat subassembly 4 mutual locking and unblock: the size of the hole 81 is designed to be not smaller than the size of the clamping part 13 perpendicular to the direction in which the button 1 is inserted and removed, so that the clamping part 13 is positioned in the hole 81 and can move when in the locking position before being pressed; the width of the locking groove 82 is larger than that of the neck 12 and smaller than that of the clamping part 13 in the direction perpendicular to the pressed direction of the button 1 and the inserting and pulling direction of the inserting needle group, so that when the elastic sheet 2 is compressed by pressing the button 1 and the neck 12 moves into the hole 81 along the pressed direction, the neck 12 of the button 1 is pulled out along the locking groove 5 by applying the force in the vertical direction, and the switching inserting needle assembly is pulled out from the power supply connecting seat assembly.
Fig. 8 and 9 show the states of the push button 1, the spring plate 2 and the locking piece 8 and the positional relationship with each other when the switching pin assembly 3 is locked with the power supply connection block assembly 4: at this time, the pressing portion of the button 1 is not pressed, the elastic sheet 2 which is clamped with the clamping portion 13 of the button 1 is kept in a normal shape, the clamping portion 13 which is larger than the neck portion 12 in the vertical direction of the pressing force is located at the position of the hole 81 of the locking piece 8, the clamping portion 13 is clamped in the hole 81 of the locking piece 8 because the size of the clamping portion 13 in the inserting and pulling direction of the pin group is larger than the width of the locking groove 82, the button cannot be pulled out from the locking groove 82, and the lower end of the locking piece 8 is clamped and fixed on the power supply connecting seat assembly, so that the switching pin assembly for installing the button 1 is fixed relative to the locking piece 8 because the clamping portion 13 of the button 1 is clamped in the hole 81 of the locking piece 8, and the switching pin assembly 3 is locked on the power supply connecting seat assembly 4.
Fig. 10 and 11 show the states of the push button 1, the spring plate 2 and the locking piece 8 and the positional relationship with each other when the switching pin assembly 3 is locked with the power supply connection block assembly 4: in the locked state shown in fig. 8, the pressing portion 11 of the button 1 is pressed along the vertical direction of the supporting surface of the pin assembly housing 7, the elastic sheet 2 clamped with the clamping portion 13 is deformed under pressure, so that the whole button 1 moves towards the elastic sheet 2, the clamping portion 13 of the button 1 leaves the hole 81 of the locking piece 8, the neck 12 connected with the hole 81 is smaller than the width of the locking groove 82, the standard pin group is pulled outwards along the inserting and pulling direction at this time, and the conversion pin assembly 3 is disconnected from the power supply connecting seat assembly 4 because the neck 12 is pulled out from the locking groove 82.
Fig. 12 to 15 are sectional views cut from different angles when the pin group of the conversion pin assembly 3 is inserted into the insertion hole of the power supply connection base assembly 4 and locked, from which the shape, state and positional relationship of each component part can be more clearly understood.
In practical use, the buttons 1 on two sides of the pin assembly shell 7 are pressed by hands, see fig. 8, 12 and 13, the button 1 pushes the elastic sheet 2 to generate elastic deformation, when the button 1 runs to the unlocking position, the end face of the button 1 contacts with the supporting surface of the pin assembly shell 7, the neck 12 of the button 1 is positioned in the hole 81, at the moment, the shaft diameter of the corresponding position of the button 1 and the locking piece 8 is smaller than the width dimension of the locking groove 82 on the locking piece 8, namely, the neck 12 of the button 1 is smaller than the width dimension of the locking groove 82, see fig. 10 and 11, one end matched with the conversion pin assembly faces to the outside according to the specification of the power supply socket/plug board, the other end is inserted into the pin of the power supply connecting seat assembly to be correspondingly inserted with the pin interface on the power supply connecting seat, the buttons 1 on two sides are released, the elastic sheet 2 restores the initial state under the action of self elastic force and pushes the button 1 outwards, at the moment, the shaft diameter of the corresponding position of the button 1 and the locking sheet 8 is larger than the width dimension of the locking groove 82 on the locking sheet 8, see fig. 8, namely, the clamping part 13 of the button 1 moves to the position of the hole 81, because the clamping part 13 is larger than the locking groove 82 in size and is clamped at the position of the hole 81, the button 1 and the locking sheet 8 are kept in the locking state, at the moment, the spring contact sheet 9 clamps the contact pin to reliably contact with the contact pin, see the view D-D of fig. 6, and meanwhile, a waterproof/dust rubber ring is arranged between the end face of the conversion contact pin assembly 3 and the end face of the power supply connecting seat assembly 4 to be in compression joint, so that external splash/dust is prevented from entering the inside the power supply connecting seat through the contact pin connecting port, and the performances of product contact reliability, safety, service life and the like are provided.
When the external contact pin group needs to be switched in the use process, the buttons 1 on the two sides of the contact pin assembly shell 7 are pressed by hands, the buttons 1 push the elastic sheets 2 to generate elastic deformation, when the buttons 1 travel to the unlocking position (the end faces of the buttons are in contact with the supporting surface of the contact pin assembly shell 7, the neck 12 of the buttons 1 is positioned in the holes 81, the shaft diameter of the corresponding positions of the buttons 1 and the locking pieces 8 is smaller than the width dimension of the locking grooves 82 on the locking pieces 8, the conversion contact pin assembly 3 can be pulled out of the power supply connecting seat assembly 4 along the opening direction of the locking grooves 82, and then the external contact pin ends can be switched according to the method.
It should be noted that in the foregoing description, the connector plug is adapted for 10A current and 16A current, but this is merely an example and not a limitation, and may be used for other current specifications.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments of the invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (6)
1. A connector plug with two groups of different current pin groups is characterized by comprising a conversion pin assembly (3), wherein the two ends of the conversion pin assembly are respectively a standard pin group meeting 10A current and a standard pin group meeting 16A current, when the connector plug is used, the standard pin group at one end is selected to be matched with the specification of a power supply socket,
the connector plug also comprises a power supply connecting seat component (4), one end of the power supply connecting seat component (4) is provided with a jack matched with the pin group of the conversion pin component (3), the other end is used for connecting a backup load, the power supply connecting seat component (4) is used for electrically and structurally connecting the conversion pin component (3) and the backup load,
the conversion pin assembly (3) comprises a pin assembly shell (7), the power supply connecting seat assembly (4) comprises a connecting seat assembly shell (10), the conversion pin assembly (3) and the power supply connecting seat assembly (4) are connected in a locking/unlocking way through a locking/unlocking device arranged between the pin assembly shell (7) and the connecting seat assembly shell (10),
the locking/unlocking device comprises a button (1) and a spring plate (2) which are arranged on the outer side surface of the contact pin assembly shell (7); the two ends of the elastic sheet (2) are pressed on the supporting surface of the contact pin assembly shell (7), the middle part of the elastic sheet is clamped on the clamping part (13) of the button (1), and the outer side of the clamping part (13) of the button (1) sequentially comprises a neck part (12) and a pressing part (11) of the button (1); when the elastic sheet (2) is in a normal state and corresponds to the locking position of the locking/unlocking device, and when the button (1) is pressed, the elastic sheet (2) is compressed to the state that the clamping part (13) is in contact with the supporting surface of the contact pin assembly shell (7) so that the button (1) can not move any more, and corresponds to the unlocking position of the locking/unlocking device; the button (1) and the elastic sheet (2) are symmetrically arranged on the periphery of the outer side surface of the contact pin assembly shell (7), so that the symmetrical force is applied during the pressing operation;
the locking/unlocking device further comprises a locking piece (8), one end of the locking piece is fixed on the connecting seat component shell (10), the other end of the locking piece is inserted between the button (1) and the elastic piece (2), the locking piece comprises a hole (81), the size of the hole (81) is designed to be not smaller than the size of the clamping part (13) in the direction perpendicular to the pressed direction of the button (1), the locking piece (8) further comprises an open locking groove (82) connected with the hole (81), the width of the locking groove (82) is larger than that of the neck (12) and smaller than the size of the clamping part (13) in the direction perpendicular to the pressed direction of the button (1) and the inserted and extracted direction of the pin group, and when in the locking position, the clamping part (13) of the button (1) is positioned in the hole (81) and clamped by the locking groove (82), so that the switching pin component (3) is locked; when the button (1) is pressed to the unlocking position, the neck (12) is positioned in the hole (81), the acting force direction is changed to enable the neck (12) of the button (1) to be separated along the locking groove (82), the conversion contact pin assembly (3) is separated from the power supply connection seat assembly (4),
the connection between the same phases of the pin groups at the two ends of the conversion pin assembly (3) is performed in one of the following modes:
a) Processing with the same pin guide body;
b) Shorting with a third conductor;
c) And (5) adopting PCB board over-switching.
2. Connector plug with two different current pin sets according to claim 1, characterized in that the power connection socket assembly (4) is internally provided with spring contact pieces (9) for connection with the pin sets of the conversion pin assembly (3).
3. The connector plug having two different current pin sets as claimed in claim 2, further comprising a row/socket specification judging/detecting means, wherein the row/socket specification judging/detecting means is one of the following two ways:
the power supply connecting seat assembly (4) further comprises a circuit board assembly (5) which is arranged close to one end of the conversion contact pin assembly (3), a tact switch is arranged on the outer side face of the circuit board assembly (5), the tact switch button is higher than the end face of the power supply connecting seat assembly (4), an avoidance groove with the size larger than the exposed height of the tact switch button is arranged at the corresponding position of one end face of the conversion contact pin assembly (3), and an avoidance groove or an avoidance groove with the size smaller than the exposed height of the tact switch button is not arranged at the corresponding position of the other end face, so that the power supply specification of the power supply contact strip matched with the current plug is judged through the switch position of the tact switch, and feedback is carried out to a backup current protection device;
more than one permanent magnet is arranged on one of the two end faces of the conversion contact pin assembly (3), and a magnetic switch is arranged at a corresponding position of the power supply connection seat assembly (4) close to the end face of the conversion contact pin assembly (3).
4. Connector plug with two different current pin sets according to claim 1, further comprising a waterproof/dust-proof rubber ring for switching the pressure connection of the pin assembly (3) and the power supply connection seat assembly (4) when the pin assembly and the power supply connection seat assembly (4) are locked, and preventing external splash/dust from entering the power supply connection seat assembly (4) through the pin connection opening.
5. Connector plug with two sets of different current pins as in claim 1, characterized in that the power connection socket assembly (4) is further provided with a temperature sensor element for monitoring/feedback of the temperature information of the connector plug during use.
6. The electric automobile connector plug with two groups of different current pin groups comprises a conversion pin assembly (3) and a power supply connecting seat assembly (4), wherein the two ends of the conversion pin assembly (3) are respectively a standard pin group meeting 10A current and a standard pin group meeting 16A current, when the electric automobile connector plug is used, the standard pin group at one end is selected to be matched with the specification of a power supply socket, and the standard pin group at the other end is connected with the power supply connecting seat assembly (4); one end of the power supply connecting seat component (4) is provided with a jack matched with the pin group of the conversion pin component, and the other end of the power supply connecting seat component is used for connecting a backup load;
the switching contact pin assembly (3) comprises a contact pin assembly shell (7), the power supply connecting seat assembly (4) comprises a connecting seat assembly shell (10), the switching contact pin assembly (3) and the power supply connecting seat assembly (4) are connected in a locking/unlocking mode through a locking/unlocking device arranged between the contact pin assembly shell (7) and the connecting seat assembly shell (10), and the locking/unlocking device comprises a button (1) and an elastic sheet (2) which are arranged on the outer side face of the contact pin assembly shell (7); the two ends of the elastic sheet (2) are pressed on the supporting surface of the contact pin assembly shell (7), the middle part of the elastic sheet is clamped on the clamping part (13) of the button (1), and the outer side of the clamping part (13) of the button (1) sequentially comprises a neck part (12) and a pressing part (11) of the button (1); when the elastic sheet (2) is in a normal state and corresponds to the locking position of the locking/unlocking device, and when the button (1) is pressed, the elastic sheet (2) is compressed to the state that the clamping part (13) is in contact with the supporting surface of the contact pin assembly shell (7) so that the button (1) can not move any more, and corresponds to the unlocking position of the locking/unlocking device; the button (1) and the elastic sheet (2) are symmetrically arranged on the periphery of the outer side surface of the contact pin assembly shell (7), so that the symmetrical force is applied during the pressing operation;
the locking/unlocking device further comprises a locking piece (8), one end of the locking piece is fixed on the connecting seat component shell (10), the other end of the locking piece is inserted between the button (1) and the elastic piece (2), the locking piece comprises a hole (81), the size of the hole (81) is designed to be not smaller than the size of the clamping part (13) in the direction perpendicular to the pressed direction of the button (1), the locking piece (8) further comprises an open locking groove (82) connected with the hole (81), the width of the locking groove (82) is larger than that of the neck (12) and smaller than the size of the clamping part (13) in the direction perpendicular to the pressed direction of the button (1) and the inserted and extracted direction of the pin group, and when in the locking position, the clamping part (13) of the button (1) is positioned in the hole (81) and clamped by the locking groove (82), so that the switching pin component (3) is locked; when the button (1) is pressed to the unlocking position, the neck (12) is positioned in the hole (81), the acting force direction is changed to enable the neck (12) of the button (1) to be separated along the locking groove (82), the conversion contact pin assembly (3) is separated from the power supply connection seat assembly (4),
the connection between the same phases of the pin groups at the two ends of the conversion pin assembly (3) is performed in one of the following modes:
a) Processing with the same pin guide body;
b) Shorting with a third conductor;
c) And (5) adopting PCB board over-switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710076095.9A CN106953214B (en) | 2017-02-13 | 2017-02-13 | Connector plug with two groups of different current pin groups |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710076095.9A CN106953214B (en) | 2017-02-13 | 2017-02-13 | Connector plug with two groups of different current pin groups |
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| Publication Number | Publication Date |
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| CN106953214A CN106953214A (en) | 2017-07-14 |
| CN106953214B true CN106953214B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710076095.9A Active CN106953214B (en) | 2017-02-13 | 2017-02-13 | Connector plug with two groups of different current pin groups |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193201A (en) * | 2018-08-06 | 2019-01-11 | 奇瑞新能源汽车技术有限公司 | A kind of the AC charging device and its control method of electric car |
| CN109273935A (en) * | 2018-10-29 | 2019-01-25 | 南京康尼机电股份有限公司 | For plug and electric car charging module |
| CN109674389B (en) * | 2019-02-15 | 2024-02-13 | 厦门大白科技有限公司 | Detachable seat ring |
| CN114122844B (en) * | 2021-11-29 | 2023-07-25 | 中国核动力研究设计院 | Input switching device suitable for in-pile emergency power supply system |
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| CN103367997A (en) * | 2012-04-06 | 2013-10-23 | 泰商泰达电子公司 | Power connector assembly and adapter plug |
| CN205790812U (en) * | 2016-05-31 | 2016-12-07 | 深圳巴斯巴科技发展有限公司 | A kind of electric motor car connector plug of novel convertible contact pin |
| CN205863578U (en) * | 2016-07-26 | 2017-01-04 | 金华斯迈尔电子科技有限公司 | A kind of electric car conduction chargeable connection device |
| CN206962187U (en) * | 2017-02-13 | 2018-02-02 | 深圳易瓦科技有限公司 | Have the connector plug of two groups of difference electric current pin groups concurrently |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367997A (en) * | 2012-04-06 | 2013-10-23 | 泰商泰达电子公司 | Power connector assembly and adapter plug |
| CN205790812U (en) * | 2016-05-31 | 2016-12-07 | 深圳巴斯巴科技发展有限公司 | A kind of electric motor car connector plug of novel convertible contact pin |
| CN205863578U (en) * | 2016-07-26 | 2017-01-04 | 金华斯迈尔电子科技有限公司 | A kind of electric car conduction chargeable connection device |
| CN206962187U (en) * | 2017-02-13 | 2018-02-02 | 深圳易瓦科技有限公司 | Have the connector plug of two groups of difference electric current pin groups concurrently |
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| CN106953214A (en) | 2017-07-14 |
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