CN112003092A - Connecting device, power output contactor and locomotive electric cabinet - Google Patents
Connecting device, power output contactor and locomotive electric cabinet Download PDFInfo
- Publication number
- CN112003092A CN112003092A CN202010877571.9A CN202010877571A CN112003092A CN 112003092 A CN112003092 A CN 112003092A CN 202010877571 A CN202010877571 A CN 202010877571A CN 112003092 A CN112003092 A CN 112003092A
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- Prior art keywords
- electrical
- connecting plate
- electrical connection
- contactor
- plate
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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
- H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to the technical field of electrical connection, and provides a connecting device, a power output contactor and a locomotive electrical cabinet. The connecting device comprises a first electrical connecting plate, a second electrical connecting plate, a third electrical connecting plate and a mechanical connecting part, wherein two ends of the first electrical connecting plate are respectively used for connecting a power supply and a first end of the contactor; one end of the second electric connecting plate is used for connecting the second end of the contactor; the third electrical connecting plate is connected with the second electrical connecting plate and is positioned below the second electrical connecting plate, and a plurality of electrical branching connecting parts are arranged on the third electrical connecting plate; the mechanical connecting part is connected to one side of the third electrical connecting plate far away from the second electrical connecting plate, the mechanical connecting part is used for being connected with the electrical cabinet shell, and the mechanical connecting part and the third electrical connecting plate are arranged in an insulating mode. The connecting device can effectively utilize the space of the locomotive, is convenient to install and can achieve a good electromechanical connecting effect.
Description
Technical Field
The invention relates to the technical field of electrical connection, in particular to a connecting device, a power output contactor and a locomotive electrical cabinet.
Background
In the field of electric locomotives at home and abroad, the traditional cable connection is the mainstream connection mode of locomotive electrical components, and the common traditional connection mode sometimes cannot meet the requirements due to the space limitation of the locomotive. When space is limited, conventional connections will not perform their function and conventional connection methods will not meet their standard specifications. If the traditional connecting facilities are in a non-standard state for a long time, once the quality cannot be guaranteed, the situation that the electric locomotive fails due to the fact that the connecting facilities are aged due to short circuit after the electric locomotive leaves a factory and runs for a period of time in a locomotive service section often happens, the running safety of the electric locomotive is threatened, and the after-sale maintenance cost is greatly increased.
Disclosure of Invention
The invention provides a connecting device, a power output contactor and a locomotive electric cabinet, which are used for achieving a good electric mechanical connecting effect.
According to a first aspect of the present invention, there is provided a connection device comprising:
the two ends of the first electric connecting plate are respectively used for connecting a power supply and the first end of the contactor;
one end of the second electric connecting plate is used for connecting the second end of the contactor;
the third electrical connecting plate is connected with the second electrical connecting plate and is positioned below the second electrical connecting plate, and a plurality of electrical branching connecting parts are arranged on the third electrical connecting plate;
and the mechanical connecting part is connected to one side, away from the second electrical connecting plate, of the third electrical connecting plate, and is used for being connected with the electrical cabinet shell, and the mechanical connecting part and the third electrical connecting plate are arranged in an insulating manner.
In one embodiment of the present invention, the mechanical connection portion is a connection column, the connection column is a plurality of connection columns, and the plurality of connection columns are connected to the third electrical connection plate at intervals.
In one embodiment of the present invention, the electrical tap connection is a conductive post or a conductive via.
In one embodiment of the invention, the connection device further comprises:
and two ends of the adapter plate are respectively connected with the second electric connecting plate and the third electric connecting plate, so that a preset distance is reserved between the second electric connecting plate and the third electric connecting plate.
In one embodiment of the invention, the adapter plate is a bent plate.
In one embodiment of the invention, the first, second and third electrical connection plates are surface plated with tin.
In one embodiment of the invention, the second electrical connection plate is of an L-shaped configuration and the third electrical connection plate is connected to a middle portion of the second electrical connection plate.
According to a second aspect of the present invention, there is provided a power output contactor comprising the above connecting device and a contactor;
wherein the contactor is connected with three connecting devices.
In one embodiment of the invention, the number of contactors is at least two;
wherein, each contactor is respectively connected with three connecting devices;
or, the three contactors share six connecting devices, and one ends of the six second electrical connecting plates connected to the two contactors are connected to the other contactor, so that the three contactors are connected in series.
According to a third aspect of the invention, there is provided a locomotive electrical cabinet comprising the power output contactor, an electrical cabinet housing and a power supply.
The connecting device can replace a cable connecting mode in the related technology through the first electrical connecting plate, the second electrical connecting plate, the third electrical connecting plate and the mechanical connecting part, effectively utilizes the space of a locomotive, is convenient to install and can achieve a good electrical and mechanical connecting effect.
Drawings
Various objects, features and advantages of the present invention will become more apparent from the following detailed description of preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:
FIG. 1 is a schematic diagram of a configuration of a locomotive electrical cabinet, shown in accordance with an exemplary embodiment;
FIG. 2 is a schematic diagram illustrating the configuration of a power output contactor according to an exemplary embodiment;
fig. 3 is a schematic diagram illustrating the control principle of a power output contactor according to an exemplary embodiment.
The reference numerals are explained below:
1. a power source; 2. a contactor; 3. an electrical cabinet housing; 4. a load; 10. a first electrical connection board; 20. a second electrical connection board; 30. a third electrical connection board; 31. an electrical branch connection; 40. a mechanical connection; 50. an adapter plate.
Detailed Description
Exemplary embodiments that embody features and advantages of the invention are described in detail below. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are accordingly to be regarded as illustrative in nature and not as restrictive.
In the following description of various exemplary embodiments of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures in order to fall within the scope of the invention.
An embodiment of the present invention provides a connecting device, please refer to fig. 1 and fig. 2, the connecting device includes: the two ends of the first electric connecting plate 10 are respectively used for connecting the power supply 1 and the first end of the contactor 2; a second electrical connection board 20, one end of the second electrical connection board 20 being for connection to a second end of the contactor 2; a third electrical connection board 30, the third electrical connection board 30 being connected to the second electrical connection board 20 and located below the second electrical connection board 20, the third electrical connection board 30 being provided with a plurality of electrical branch connection portions 31; and the mechanical connecting part 40 is connected to one side of the third electrical connecting plate 30 far away from the second electrical connecting plate 20, the mechanical connecting part 40 is used for being connected with the electrical cabinet shell 3, and the mechanical connecting part 40 and the third electrical connecting plate 30 are arranged in an insulating mode.
The connecting device of one embodiment of the invention can replace a cable connecting mode in the related technology through the first electrical connecting plate 10, the second electrical connecting plate 20, the third electrical connecting plate 30 and the mechanical connecting part 40, effectively utilize the space of a locomotive, is convenient to install and can achieve good electrical and mechanical connecting effect.
The first electrical connection board 10, the second electrical connection board 20, and the third electrical connection board 30 are all conductive boards, such as copper bars, the power supply 1 is electrically connected to the contactor 2 through the first electrical connection board 10, and the contactor 2 is electrically connected to the third electrical connection board 30 through the second electrical connection board 20, that is, the power supply 1 introduces current to the third electrical connection board 30 through the first electrical connection board 10, the contactor 2, and the second electrical connection board 20, and external electrical components draw current through the electrical distribution connection portion 31 on the third electrical connection board 30, so as to achieve the current distribution effect.
It should be noted that, through being provided with a plurality of electric separated time connecting portion 31 on third electrical connecting plate 30, convenient and outside electrical components draws electric current, and not only the mode of arranging is comparatively reasonable, and arranges in order easily, can effectively utilize locomotive inner space, reasonable layout.
In one embodiment, the electrical distribution connection portion 31 is a conductive hole, and the conductive hole may be a circular hole, a square hole, or a special-shaped hole, which is not limited herein. The ends of the first electrical connection board 10 and the second electrical connection board 20 may be holes or protrusions for connecting with the contactor 2, and may be directly crimped for connection convenience, or may be connected by fasteners, for example, the ends of the first electrical connection board 10 and the second electrical connection board 20 may be ring-shaped stamped structures. When the electric branching connecting part 31 is connected with the shunt cable, the electric branching connecting part can be coated with electric contact grease to achieve better conductive effect and anti-loosening effect. For example, the electrical branch connection portion 31 is a conductive hole, electrical contact grease is applied to the interior of the conductive hole, and the conductive hole is connected to the shunt cable by a lock bolt made of a high-performance conductive material.
It should be noted that, in conjunction with fig. 2, each of the two sides of each of the contactors 2 includes three connection terminals, that is, the first electrical connection board 10, the second electrical connection board 20, and the third electrical connection board 30 are used as a set, the first electrical connection board 10 is connected to the three connection terminals on the first side of the contactor 2, the second electrical connection board 20 is connected to the three connection terminals on the second side of the contactor 2, and the corresponding three third electrical connection boards 30 are led out of the drop cable. The three first electrical connection boards 10, the second electrical connection boards 20 and the third electrical connection boards 30 may have different sizes, and are determined according to the actual installation space and the specific connection mode, and are not limited herein.
In an embodiment, consider that the third electrical connecting plate 30 is connected on the electric cabinet casing 3 through the mechanical connecting part 40, namely, for convenient connection, and make rational use of the inner space, thereby make to have a difference in height between the third electrical connecting plate 30 and the second electrical connecting plate 20, i.e. make the third electrical connecting plate 30 be closer to the electric cabinet casing 3, not only can convenient connection, and the stability of connection is also better, can not make the length of the mechanical connecting part 40 great, it is also more convenient to subsequently draw out the branch cable through the electrical branch connecting part 31 on the third electrical connecting plate 30, and can be close to the electric cabinet casing 3 and arrange, thereby realize the effective utilization of the inner space.
In one embodiment, the mechanical connection portion 40 is a plurality of connection posts connected to the third electrical connection plate 30 at intervals. The mechanical connecting part 40 is an insulator, the mechanical connecting part 40 is connected to the third electrical connecting plate 30 through clamping, screwing, fastening and the like, and the mechanical connecting part 40 can also be connected to the electrical cabinet shell 3 through clamping, screwing, fastening and the like. The mechanical connection portion 40 achieves a position limitation of the third electrical connection plate 30, that is, prevents the third electrical connection plate 30 from being positionally changed, thereby securing the mounting positions of the second electrical connection plate 20 and the third electrical connection plate 30.
In one embodiment, the electrical branch connection portion 31 is a conductive post or a conductive hole, and the branch cable is connected to the conductive post or the conductive hole, so as to achieve current extraction.
It should be noted that the cable may be a cable or a copper bar.
In one embodiment, as shown in fig. 1 and 2, the connection device further comprises: and two ends of the interposer 50 are respectively connected with the second electrical connection board 20 and the third electrical connection board 30, so that a preset distance is reserved between the second electrical connection board 20 and the third electrical connection board 30. The interposer 50 is used to ensure a height difference between the second electrical connection board 20 and the third electrical connection board 30, and is used to ensure that the second electrical connection board 20 and the third electrical connection board 30 are electrically connected.
In one embodiment, the interposer 50 is a bent plate, which allows the interposer 50 to be securely connected to the second and third electrical connection boards 20 and 30 while ensuring a height difference between the second and third electrical connection boards 20 and 30.
Specifically, the interposer 50 includes three boards, the middle board forms a height difference between the second electrical connection board 20 and the third electrical connection board 30, and the other two boards are respectively connected to the second electrical connection board 20 and the third electrical connection board 30, so as to ensure the connection reliability.
It should be noted that the bending degree and the specific size of the adapter plate 50 are not limited herein, and may be selected according to actual use requirements. The interposer 50 may be a copper bar.
In one embodiment, the first electrical connection board 10, the second electrical connection board 20 and the third electrical connection board 30 are surface plated with tin. Accordingly, the interposer 50 is plated with tin.
In one embodiment, the second electrical connection board 20 is an L-shaped structure, and the third electrical connection board 30 is connected to a middle portion of the second electrical connection board 20. Two contactors 2 can conveniently be connected at the both ends of second electrical connection board 20, and the setting of L type structure can make things convenient for arranging of contactor 2, adapts to the position that sets up of contactor 2.
It should be noted that the connecting device of the present invention can also be applied to the connection of other types of electric devices like contactors.
The connecting device is suitable for connecting all similar auxiliary power supply output contactors in the electric locomotive, has the advantages of simple structure, better connecting effect than the traditional connecting mode, reasonable structure, high safety and reliability, flexible, convenient and simple use, can well solve the problem that the auxiliary power supply output contactors of the electric locomotive have insufficient space for connection, and is easy to quickly assemble and position the installation interface of an electric component. Due to the use of the connecting device, the problem of limited installation space is solved, and further better installation convenience and electrical and mechanical connection effects are achieved.
An embodiment of the present invention further provides a power output contactor, including the above-mentioned connecting device and contactor 2; wherein the contactor 2 is connected with three connecting devices.
In one embodiment, the power output contactor comprises a connecting device and a contactor 2, namely, the connecting device forms an electric connection structure of the contactor 2, two sides of the contactor 2 respectively comprise three connecting ends, namely, a first electric connecting plate 10, a second electric connecting plate 20 and a third electric connecting plate 30 are used as a group, the first electric connecting plate 10 is connected with the three connecting ends on the first side of the contactor 2, the second electric connecting plate 20 is connected with the three connecting ends on the second side of the contactor 2, and the corresponding three third electric connecting plates 30 lead out branch cables.
In one embodiment, the number of contactors 2 is at least two; wherein, every contactor 2 is connected with three connecting device respectively, and each contactor 2 all uses independently promptly, forms and sets up side by side to this draws out branch cable respectively.
In one embodiment, the three contactors 2 share six connection devices, and one ends of the six second electrical connection plates 20 connected to the two contactors 2 are connected to the other contactor 2 so that the three contactors 2 are connected in series. The six second electrical connection boards 20 have 12 connection terminals in total, 6 of the 12 connection terminals are respectively connected to six connection terminals of two contactors 2, and the remaining 6 connection terminals are connected to six connection terminals of the contactors 2, thereby realizing the series connection of three contactors 2.
Specifically, as shown in fig. 2, three contactors 2 are provided, one ends of two contactors 2 arranged side by side are respectively connected to two power sources 1 through three first electrical connection plates 10, the other ends of the two contactors 2 arranged side by side are respectively connected to first ends of three second electrical connection plates 20, the second electrical connection plates 20 are in an L-shaped structure, six second electrical connection plates 20 connected to the two contactors 2 are connected to the contactor 2 located in the middle thereof, and six third electrical connection plates 30 arranged side by side are respectively led out of a branch cable.
In combination with the control schematic diagram of the power output contactor shown in fig. 3, the three contactors 2 are similar to the three switching devices, control the connection and disconnection of the connection device, and realize the power supply of different power sources 1 and the power supply of different third electrical connection boards 30, and realize the power supply of the load 4 through the electrical distribution connection part 31.
For example, the two power supplies 1 may be a (variable frequency) AC380V and a (fixed frequency) AC380V, respectively.
An embodiment of the present invention further provides a locomotive electrical cabinet, as shown in fig. 1, the locomotive electrical cabinet includes the power output contactor, an electrical cabinet housing 3 and a power supply 1.
In one embodiment, the power source 1, the contactor 2 and the connection means are all disposed within a cavity formed by the electrical cabinet housing 3.
In one embodiment, the electrical cabinet housing 3 is provided with mounting holes for connecting with the mechanical connection portion 40, and the electrical cabinet housing 3 and the mechanical connection portion 40 can be connected by rivets. For example, the mounting hole is a circular hole, the mechanical connection portion 40 is a cylinder, and the mounting hole and the mechanical connection portion 40 are connected by a rivet.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and exemplary embodiments be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. A connection device, comprising:
the two ends of the first electric connecting plate (10) are respectively used for connecting a power supply (1) and a first end of the contactor (2);
a second electrical connection board (20), one end of the second electrical connection board (20) is used for connecting a second end of the contactor (2);
a third electrical connection board (30), wherein the third electrical connection board (30) is connected with the second electrical connection board (20) and is positioned below the second electrical connection board (20), and a plurality of electrical branching connection parts (31) are arranged on the third electrical connection board (30);
the mechanical connecting portion (40) is connected to one side, away from the second electrical connecting plate (20), of the third electrical connecting plate (30), the mechanical connecting portion (40) is used for being connected with the electrical cabinet shell (3), and the mechanical connecting portion (40) and the third electrical connecting plate (30) are arranged in an insulating mode.
2. Connecting device according to claim 1, characterized in that the mechanical connection (40) is a connecting post, in plurality, which is connected at intervals to the third electrical connecting plate (30).
3. Connection device according to claim 1, characterized in that the electrical branching connection (31) is a conductive post or a conductive hole.
4. The connection device of claim 1, further comprising:
the two ends of the adapter plate (50) are respectively connected with the second electric connecting plate (20) and the third electric connecting plate (30), so that a preset distance is reserved between the second electric connecting plate (20) and the third electric connecting plate (30).
5. Connection device according to claim 4, characterized in that the adapter plate (50) is a bent plate.
6. Connection device according to claim 1, characterized in that the first electrical connection board (10), the second electrical connection board (20) and the third electrical connection board (30) are surface-tinned.
7. Connection device according to claim 1, characterized in that said second electrical connection plate (20) is of L-shaped configuration, said third electrical connection plate (30) being connected to a central portion of said second electrical connection plate (20).
8. A power supply output contactor, characterized by comprising a connecting device according to any one of claims 1 to 7 and a contactor (2);
wherein the contactor (2) is connected with three connecting devices.
9. The power supply output contactor according to claim 8, characterized in that the contactors (2) are at least two;
wherein, each contactor (2) is respectively connected with three connecting devices;
or, the three contactors (2) share six connecting devices, and one ends of six second electrical connecting plates (20) connected to the two contactors (2) are connected to the other contactor (2) so as to connect the three contactors (2) in series.
10. A locomotive electrical cabinet, characterized in that it comprises a power output contactor according to claim 8 or 9, an electrical cabinet housing (3) and a power supply (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010877571.9A CN112003092A (en) | 2020-08-27 | 2020-08-27 | Connecting device, power output contactor and locomotive electric cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010877571.9A CN112003092A (en) | 2020-08-27 | 2020-08-27 | Connecting device, power output contactor and locomotive electric cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112003092A true CN112003092A (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010877571.9A Pending CN112003092A (en) | 2020-08-27 | 2020-08-27 | Connecting device, power output contactor and locomotive electric cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112003092A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19729595C1 (en) * | 1997-07-10 | 1998-10-22 | Siemens Ag | Capacitor switching contactor arrangement |
| CN102290711A (en) * | 2011-07-29 | 2011-12-21 | 无锡市惠能自动化设备有限公司 | Novel electrical cabinet |
| CN110838423A (en) * | 2018-08-16 | 2020-02-25 | 铁路电力***股份有限公司 | Voltage limiting device |
| CN210468487U (en) * | 2019-09-09 | 2020-05-05 | 湖北创新电气股份有限公司 | Maintenance box with leakage protection function |
-
2020
- 2020-08-27 CN CN202010877571.9A patent/CN112003092A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19729595C1 (en) * | 1997-07-10 | 1998-10-22 | Siemens Ag | Capacitor switching contactor arrangement |
| CN102290711A (en) * | 2011-07-29 | 2011-12-21 | 无锡市惠能自动化设备有限公司 | Novel electrical cabinet |
| CN110838423A (en) * | 2018-08-16 | 2020-02-25 | 铁路电力***股份有限公司 | Voltage limiting device |
| CN210468487U (en) * | 2019-09-09 | 2020-05-05 | 湖北创新电气股份有限公司 | Maintenance box with leakage protection function |
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Application publication date: 20201127 |