CN217485893U - Power supply terminal adaptor connector and power distribution system - Google Patents

Abstract

The utility model provides a power supply terminal adaptor connector and power distribution system relates to distribution technical field. The power supply terminal adapter connector comprises a current-conducting plate, a shell and a pressing piece, wherein the current-conducting plate comprises a first plate part exposed out of the shell and a second plate part embedded in the shell, a socket used for inserting a power supply cable wiring terminal is arranged at the second plate part, the first plate part is provided with a first wiring terminal, and the pressing piece is used for pressing the power supply cable wiring terminal on the current-conducting plate. The utility model discloses a power supply terminal adaptor connector can realize that the power cable binding post of mutual non-adaptation is connected with the switching between the connection port of devices such as circuit breaker, and needn't change devices such as power cable binding post or circuit breaker, can improve power cable binding post's suitability, and overall structure is stable high, can realize the reliable switching to power cable binding post.

Description

Power supply terminal adaptor connector and power distribution system

Technical Field

The utility model relates to a distribution technical field particularly, relates to a power supply terminal adaptor connector and power distribution system.

Background

In electric equipment such as an electric crane, in order to reduce electric resistance, oxidation of copper wires, and obtain good conductivity, a power cable is often connected to a connection port of a power distribution device such as a breaker after a terminal is crimped at an end portion thereof. However, due to the diversity of the application occasions, the connection ports may have differences, and the power cable terminal is difficult to adapt to different connection ports. For example, the connection ports of different circuit breakers are different, and thus the voltage cable cannot match the situation of the connection ports of the existing circuit breakers, causing power distribution difficulties.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is weak to aim at solving how to solve power cable binding post suitability in the correlation technique to a certain extent, can not match different connection port's problem.

For at least one aspect of solving above-mentioned problem to a certain extent at least, the utility model provides a power terminal adaptor connector, power terminal adaptor connector includes current conducting plate, casing and compresses tightly the piece, the current conducting plate including expose in the first board of casing with inlay and locate the second board of casing, second board department is equipped with and is used for power cable binding post to insert the socket of establishing, first board is equipped with first binding post, compress tightly the piece and be used for with power cable binding post compresses tightly on the current conducting plate.

Optionally, in a first direction, the first plate portion and the second plate portion are distributed in sequence, and an opening direction of the insertion opening is consistent with the first direction.

Optionally, the second plate portion is formed with a protruding structure protruding from the first plate portion in a direction perpendicular to the first direction in which the protruding structure abuts the housing.

Optionally, a width of the second plate portion is larger than a width of the first plate portion in a direction perpendicular to the first direction.

Optionally, the current conducting plate includes the plate body and with the clamp plate of connection can be dismantled to the plate body, the plate body includes first board with the second board, the clamp plate is located second board department, the plate body with the clamp plate surrounds and forms the socket.

Optionally, the housing is formed by insert injection molding and over molding of the conductive plate.

Optionally, the first connection terminal is a blade-type terminal, and the power cable connection terminal is a bolt-type terminal, or the first connection terminal is the bolt-type terminal and the power cable connection terminal is the blade-type terminal.

Optionally, the compression member comprises a fastener;

the power cable wiring terminal is a blade-type terminal, and the fastener is used for being in threaded connection with the second side wall of the socket and then abutting against the blade-type terminal so as to press the blade-type terminal against the first side wall of the socket, wherein the first side wall and the second side wall are arranged oppositely;

or the power cable wiring terminal is a bolt-type terminal, the fastener is used for penetrating through the bolt-type terminal and then is in threaded connection with the first side wall of the socket, and a position avoiding hole for the fastener to pass through is formed in a second side wall, opposite to the first side wall, of the socket.

In a second aspect, the present invention provides a power distribution system comprising a power terminal adaptor connector as described above in the first aspect.

Optionally, the power distribution system further includes an electric device and a circuit breaker, wherein the first connection terminal of the power terminal adaptor connector is configured to be connected to the circuit breaker, and the socket of the power terminal adaptor connector is configured to be connected to the power cable connection terminal of the electric device.

The utility model discloses a power supply terminal adaptor connector and distribution system, when power cable binding post is not fit for the time spent with the connection port of devices such as circuit breaker, can pass through the utility model discloses a power supply terminal adaptor connector's first binding post is connected with this connection port, and passes through the utility model discloses a power supply terminal adaptor connector's socket is connected with power cable binding post, thereby the utility model discloses a power supply terminal adaptor connector can realize that the power cable binding post of mutual non-adaptation and the switching between the connection port of devices such as circuit breaker are connected, and needn't change devices such as power cable binding post or circuit breaker. Can be through one or more the utility model discloses a power supply terminal adapter connector for devices such as circuit breaker of power cable binding post matching different specifications become possible, particularly, make power cable binding post match different connection port become possible, can improve power cable binding post's adaptability. And, through the connection of socket and power cable connecting terminal and through the pressing member, it is high in stability connected with the power cable connecting terminal, and also realize the current transmission between the first connecting terminal and the socket through the current conducting plate, compared with the resistance increase at the joint when switching through the wire, the utility model has the advantages that the contact area of the socket and the power cable connecting terminal is large, the cross-sectional appearance is smooth, the resistance change is small, the aging rate of the conductor at the joint can be reduced to a certain extent, the stability and reliability are high, and the processing and shaping can be convenient to a certain extent, in addition, the second plate part is embedded in the shell, the socket can be protected to a certain extent, the shell can be held by hand to carry out the connecting operation, the overall structure of the power terminal switching connector is stable and high, the reliable switching to the power cable connecting terminal can be realized, the practicability is strong.

Drawings

Fig. 1 is a schematic structural view illustrating a power terminal adaptor connector connected to a power cable terminal according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a conductive plate according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a conductive plate including a plate body and a pressing plate according to another embodiment of the present invention;

fig. 4 is a schematic structural view illustrating the second plate portion of the conductive plate of the power terminal adaptor connector of the embodiment of the present invention is embedded in the housing;

fig. 5 is an exploded view of the power terminal adaptor connector shown in fig. 4;

fig. 6 is a top view of the power terminal adaptor connector;

FIG. 7 is a cross-sectional view of section A-A of FIG. 6;

FIG. 8 is a schematic view of the connection of the power cable terminals to the miniature circuit breaker;

fig. 9 is a schematic structural diagram of the power cable terminal shown in fig. 8 being connected to the molded case circuit breaker via the power terminal adaptor connector.

Description of the reference numerals:

100-conductive plate, 110-plate body, 111-first plate part, 112-second plate part, 120-pressing plate, 130-first connecting terminal, 140-socket, 141-first side wall, 200-pressing piece, 300-shell, 400-power cable connecting terminal, 310-first avoiding structure.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the terms "an embodiment," "one embodiment," "some embodiments," "exemplary" and "one embodiment," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or embodiment of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.

The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In the drawings, the Z-axis represents the vertical, i.e., up-down, position, and the positive direction of the Z-axis (i.e., the arrow of the Z-axis points) represents up, and the negative direction of the Z-axis (i.e., the direction opposite to the positive direction of the Z-axis) represents down; in the drawings, the X-axis represents a horizontal direction and is designated as a left-right position, and a positive direction of the X-axis (i.e., an arrow direction of the X-axis) represents a right side and a negative direction of the X-axis (i.e., a direction opposite to the positive direction of the X-axis) represents a left side; in the drawings, the Y-axis indicates the front-rear position, and the positive direction of the Y-axis (i.e., the arrow direction of the Y-axis) indicates the front side, and the negative direction of the Y-axis (i.e., the direction opposite to the positive direction of the Y-axis) indicates the rear side; it should also be noted that the foregoing Z-axis, Y-axis, and X-axis representations are merely intended to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Referring to fig. 1 to 7, the embodiment of the present invention provides a power terminal adaptor connector, including a conductive plate 100, a housing 300 and a pressing member 200, the conductive plate 100 includes a first plate portion 111 exposed from the housing 300 and a second plate portion 112 embedded in the housing 300, the second plate portion 112 is provided with a socket 140 for inserting a power cable terminal 400, the first plate portion 111 is provided with a first terminal 130, the first terminal 130 is different from the power cable terminal 400, and the pressing member 200 is used for pressing the power cable terminal 400 onto the conductive plate 100.

The traditional internal combustion engine powered crane has many defects, such as that the engine discharges a large amount of harmful gas when the crane is on-board, and meanwhile, the consumption of fuel oil is large, the economy is low, and the current trend of pursuing environmental protection and sustainable development is not met. With the development of the technology, the development of the engineering hoisting machinery towards full-electric or partial-electric is further accelerated.

In devices such as hoisting machinery using electric power of a power distribution cabinet as a power source, a power cable is often connected with a circuit breaker after being crimped at an end part of the power cable, but the power cable may need to be connected with connection ports in various forms because the operating occasions of the hoisting machinery are variable. For example, there are two kinds of port forms in the circuit breaker that building site switch board is used for connecing the electricity, miniature circuit breaker connection port adaptation slice-shaped terminal, and moulded case circuit breaker connection port adaptation lock bolt type terminal, and one of them terminal of cable crimping, and when another kind of circuit breaker of building site switch board configuration, can't realize firm the connection, have the potential safety hazard, can't insert the electric operation even, need dispose specific circuit breaker, perhaps, change binding post, waste time and energy.

The present specification describes the present invention by taking an electric device as an example of an electric crane, but it should be understood that the present invention can be used in other situations without violating the technical idea of the present invention.

The first connection terminal 130 and the power cable connection terminal 400 may be different, and the difference may be different in mounting structure or different in specification, and each drawing shows a case where the first connection terminal 130 is a bolt-type terminal and the power cable connection terminal 400 is a sheet-type terminal.

Illustratively, the pressing member 200 presses the power cable connection terminal 400 against the first sidewall 141 of the socket 140 in a manner not limited by the related art, such as pressing with a fastener or a spring, and the pressing manner may be different according to the structure of the power cable connection terminal 400, the socket 140 may be disposed on the second plate portion 112, or may be formed by surrounding the second plate portion 112 and the housing 300, and the cross-sectional shape of the socket 140 in the XZ plane may be identical to the cross-sectional shape of the power cable connection terminal 400, and is generally rectangular, and the cross-sectional area is slightly larger than the cross-sectional area of the power cable connection terminal 400.

In addition, the conductive plate 100 is not limited to be provided as a flat plate structure, and the first plate portion 111 and the second plate portion 112 are provided as plate structures, and the two plate structures are arranged to intersect, for example, at an angle of 90 degrees (not shown in this embodiment).

At this time, the housing 300 may be provided with the first dislocation structure 310 for the power cable connection terminal 400 to pass through. For example, the first avoiding structure 310 may be an avoiding hole having a cross-sectional area greater than or equal to that of the insertion opening 140, and preferably, in any direction of the cross-section, the size of the avoiding hole is smaller than that of the conductive plate 100 at the insertion opening 140, referring to fig. 7. In addition, the housing 300 may further be provided with an avoiding hole for the pressing member 200 to pass through as required. The housing 300 can be formed by injection molding and over molding the second plate portion 112 as an insert, but it can be assembled, and will not be described in detail here.

So, when power cable binding post 400 is not fit for with the connection port of devices such as circuit breaker, for example, through the utility model discloses a power terminal adapter connector's first binding post 130 is connected with this connection port, and passes through the utility model discloses a power terminal adapter connector's socket 140 is connected with power cable binding post 400, thereby the utility model discloses a power terminal adapter connector can realize that the switching between the connection port of the power cable binding post 400 of mutually exclusive adaptation and devices such as circuit breaker is connected, and needn't change devices such as power cable binding post 400 or circuit breaker. Can be through one or more the utility model discloses a power supply terminal adaptor connector for power cable binding post 400 matches devices such as circuit breakers of different specifications and becomes possible, particularly, makes power cable binding post 400 match different connection ports and becomes possible, can improve power cable binding post 400's adaptability. Moreover, the socket 140 is connected with the power cable connecting terminal 400 and is pressed by the pressing piece 200, the stability of the connection with the power cable connecting terminal 400 is high, the current transmission between the first connecting terminal 130 and the socket 140 is realized by the conductive plate 100, compared with the resistance increase at the joint when the wire is switched, the mode of the utility model has the advantages that the contact area of the socket 140 and the power cable connecting terminal 400 is large, the section appearance is smooth, the resistance change is small, the aging rate of the conductor at the joint can be reduced to a certain degree, the stability and the reliability are high, the processing and the forming can be convenient to a certain degree, in addition, the second plate part 112 is embedded in the shell 300, the socket 140 can be protected to a certain degree, the shell 300 can be held by hand for connecting operation, and the whole structure of the power terminal switching connector is stable and high, reliable switching of the power cable wiring terminal 400 can be realized, and the practicability is high.

Referring to fig. 2, an end of the second plate portion 112 away from the first plate portion 111 is opened with an insertion opening 140.

Referring to fig. 3 to 5, the conductive plate 100 includes a plate body 110 and a pressing plate 120 detachably connected to the plate body 110, the plate body 110 includes a first plate portion 111 and a second plate portion 112, the pressing plate 120 is located at the second plate portion 112, and the plate body 110 and the pressing plate 120 surround to form a socket 140.

Referring to fig. 3 and 5, a groove (which may be formed by bending or pressing) is formed at the lower end of the pressing plate 120, the groove penetrates through the pressing plate 120 along the Y-axis direction, when the pressing plate 120 is placed on the plate body 110, the pressing plate 120 and the plate body 110 are fixed in relative positions by four screws, and at this time, the plate body 110 is at the lower end of the groove, so that the plate body 110 and the pressing plate 120 surround to form the socket 140.

Like this, set up the current-conducting plate 100 into detachable plate body 110 and clamp plate 120, surround through clamp plate 120 and plate body 110 and form socket 140, need not to process shaping current-conducting plate 100 through whole electrically conductive blank such as copper blank to can practice thrift the material to a certain extent, the modularization batch production of being convenient for, for example can process the product that becomes to integrate a plurality of clamp plates 120 with copper blank, then cut apart and obtain a plurality of clamp plates 120.

Optionally, the first connection terminal 130 is a blade terminal, and the power cable connection terminal 400 is a bolt terminal, or the first connection terminal 130 is a bolt terminal and the power cable connection terminal 400 is a blade terminal.

Thus, the power terminal adapter connector can adapt to the adapter requirements of the power cable terminals 400 of most books.

Referring to fig. 3, 5 to 7, the pressing member 200 includes a fastener, and the power cable connection terminal 400 is a blade-type terminal, and the fastener is configured to be screwed with the second sidewall of the socket 140 and then abut against the blade-type terminal to press the blade-type terminal against the first sidewall 141 of the socket 140, where the first sidewall 141 is opposite to the second sidewall.

In this case, the first connection terminal 130 is a bolt-type terminal (i.e., the first plate portion 111 has a through hole or an opening for a bolt to pass through).

In this way, reliable connection of the chip-type terminals can be achieved.

In this case, the pressing member 200 may further include a spring (not shown), a fixing portion of the spring is connected to the pressing plate 120, an elastic portion of the spring is used for pressing against the power cable connection terminal 400, the elastic portion is spaced from the first sidewall 141 in the initial state, thereby forming an insertion space of the power cable terminal 400, the elastic part deforms under stress along with the insertion of the power cable terminal 400, the initial pressing and limiting of the power cable terminal 400 are realized through the elastic part, then the fastener is screwed with the pressing plate 120 and presses the elastic part to achieve reliable limit of the power cable connection terminal 400, during this process, the small end of the fastener abuts against the leaf spring, i.e., during the screwing-in process of the fastener, its rotational force will not be transferred to the power cable connection terminal 400, thereby avoiding the backing of the power cable connection terminal 400 during the fastener precession process.

Different from the arrangement mode that the fastener is used for abutting against the power cable connection terminal 400, the power cable connection terminal 400 is a bolt-type terminal, the fastener is used for being in threaded connection with the first side wall 141 of the socket 140 after penetrating through the bolt-type terminal, and a position avoiding hole for the fastener to pass through is formed in a second side wall, opposite to the first side wall 141, of the socket 140.

Thus, a stable connection of the bolt type terminal can be achieved.

Referring to fig. 2, in the first direction, the first plate portion 111 and the second plate portion 112 are sequentially distributed, and the opening direction of the insertion opening 140 coincides with the first direction.

At this time, the first plate portion 111 and the second plate portion 112 may be understood as being arranged in a line, rather than other possible included angle arrangements, the first direction may be understood as a length direction of the conductive plate 100, i.e., a Y-axis direction in the drawing, and a direction in which the power cable connection terminal 400 is inserted into the socket 140 coincides with the first direction, thereby facilitating a transfer connection operation.

Referring to fig. 3, further, the first plate portion 111 and the second plate portion 112 are sequentially distributed in the first direction, and the second plate portion 112 is formed with a protruding structure protruding from the first plate portion 111 in a direction perpendicular to the first direction in which the protruding structure abuts the housing 300.

Illustratively, the protruding structure is provided protruding from the first plate portion 111 in the Z-axis direction, that is, the height of the second plate portion 112 at the protruding structure is higher than the height of the first plate portion 111, and at this time, the end surface of the protruding structure abuts against the housing 300 in the Y-axis direction.

Illustratively, the protruding structure is disposed protruding from the first plate portion 111 in the X-axis direction, that is, the width of the second plate portion 112 at the protruding structure is larger than the width of the first plate portion 111, and at this time, the end surface of the protruding structure abuts against the housing 300 in the Y-axis direction.

The housing structure 300 may be a split structure or formed by injection molding and encapsulation molding using the conductive plate 100 as an insert, which is described later, and an accommodating cavity for accommodating the protruding structure is formed on the housing structure 300, and the inner wall of the accommodating cavity abuts against the protruding structure in the Y-axis direction.

Thus, when the handheld housing 300 and the power cable connection terminal 400 are plugged, the position stability of the conductive plate 100 is high and the conductive plate is not easy to shake.

Further, the width of the second plate portion 112 of the conductive plate 100 is larger than the width of the first plate portion 111 in the direction perpendicular to the first direction.

At this time, the portion of the conductive plate 100 having a width larger than that of the first plate portion 111 is the protruding structure described above.

In this way, when the second plate portion 112 is embedded in the housing 300, since the width of the second plate portion 112 in the X-axis direction is greater than the width of the first plate portion 111, both ends of the second plate portion 112 in the Y-axis direction can be respectively abutted against the housing 300, so as to limit the relative movement between the conductive plate 100 and the housing 300, and the stability is high.

Another embodiment of the present invention provides a power distribution system, including the power terminal adaptor connector of the above embodiment.

Optionally, the power distribution system further comprises a powered device (e.g. a hoisting machine) and a circuit breaker, wherein the first connection terminal 130 of the power terminal adapter connector is adapted to be connected to the circuit breaker and the socket 140 of the power terminal adapter connector is adapted to be connected to the power cable connection terminal 400 of the powered device.

Referring to fig. 8 and 9, fig. 8 illustrates a structure diagram of the power cable connection terminal 400 (blade-type terminal) connected to the miniature circuit breaker, and fig. 9 illustrates a structure diagram of the power terminal adaptor's first connection terminal 130 (in this case, a bolt-type terminal) connected to the molded case circuit breaker after the power cable connection terminal 400 is connected to the power terminal adaptor's socket 140.

The power distribution system has all the benefits of a power terminal adaptor connector, which will not be described in detail herein.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.

Claims (10)

1. The power supply terminal adaptor connector is characterized by comprising a conductive plate (100), a shell (300) and a pressing piece (200), wherein the conductive plate (100) comprises a first plate part (111) exposed out of the shell (300) and a second plate part (112) embedded in the shell (300), a socket (140) used for inserting a power supply cable wiring terminal (400) is arranged at the second plate part (112), the first plate part (111) is provided with a first wiring terminal (130), and the pressing piece (200) is used for pressing the power supply cable wiring terminal (400) onto the conductive plate (100).

2. The power terminal adapter connector according to claim 1, wherein the first plate portion (111) and the second plate portion (112) are sequentially distributed in a first direction, and an opening direction of the insertion opening (140) coincides with the first direction.

3. The power terminal adaptor connector of claim 2, wherein the second plate portion (112) is formed with a projecting structure projecting from the first plate portion (111) in a direction perpendicular to the first direction in which the projecting structure abuts against the housing (300).

4. The power terminal adapter connector according to claim 3, wherein a width of the second plate portion (112) is larger than a width of the first plate portion (111) in a direction perpendicular to the first direction.

5. The power terminal adaptor connector of claim 1, wherein the conductive plate (100) comprises a plate body (110) and a pressing plate (120) detachably connected to the plate body (110), the plate body (110) comprises the first plate portion (111) and the second plate portion (112), the pressing plate (120) is located at the second plate portion (112), and the plate body (110) and the pressing plate (120) surround to form the socket (140).

6. The power terminal adapter connector of claim 1, wherein the housing (300) is over-molded with the conductive plate (100) as an insert.

7. The power terminal adaptor connector according to any one of claims 1 to 6, wherein the first wire connection terminal (130) is a blade terminal and the power cable wire connection terminal (400) is a bolt-type terminal, or wherein the first wire connection terminal (130) is the bolt-type terminal and the power cable wire connection terminal (400) is the blade terminal.

8. The power terminal adapter connector of claim 7, wherein the compression member (200) comprises a fastener;

the power cable connecting terminal (400) is a blade-type terminal, and the fastener is used for being abutted with the blade-type terminal after being in threaded connection with the second side wall of the socket (140) so as to press the blade-type terminal on the first side wall (141) of the socket (140), wherein the first side wall (141) is arranged opposite to the second side wall;

or the power cable wiring terminal (400) is a bolt-type terminal, the fastener is used for being in threaded connection with a first side wall (141) of the socket (140) after penetrating through the bolt-type terminal, and a position avoiding hole for the fastener to pass through is formed in a second side wall, opposite to the first side wall (141), of the socket (140).

9. An electrical distribution system comprising the power terminal adaptor connector of any one of claims 1 to 8.

10. The power distribution system of claim 9, further comprising a powered device and a circuit breaker, wherein the first terminal (130) of the power terminal adaptor connector is configured to connect with the circuit breaker, and the receptacle (140) of the power terminal adaptor connector is configured to connect with a power cable terminal (400) of the powered device.

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