CN218182664U - PDU module - Google Patents

Abstract

The utility model relates to a technical field charges, concretely relates to PDU module, including the relay assembly, the anodal copper bar of inlet wire, inlet wire negative copper bar, control mainboard and casing, the both ends of every first relay are equallyd divide other electricity and are connected with the anodal branch copper bar of an inlet wire and an anodal copper bar of being qualified for the next round of competitions in the relay assembly, the both ends of every second relay are equallyd divide other electricity and are connected with an inlet wire negative pole branch copper bar and an outlet wire negative copper bar, a plurality of first relays and second relay install in advance on the relay mounting plate, the anodal copper bar of inlet wire is connected with the anodal branch copper bar electricity of a plurality of inlet wires, inlet wire negative copper bar is connected with a plurality of inlet wire negative pole branch copper bar electricity, the control mainboard is connected with the control end electricity of each relay, install relay mounting plate in the casing, the anodal copper bar of inlet wire, inlet wire negative copper bar and control mainboard. The utility model provides a pair of PDU module, simple structure is compact, small, simple to operate is swift, the clean and tidy easy access and maintenance of pencil moreover.

Description

PDU module

Technical Field

The utility model relates to a technical field that charges, concretely relates to PDU module.

Background

With the increasing importance of energy conservation and emission reduction of the country, the new energy automobile is developed more and more quickly, and the charging industry is also developed quickly. The market that charges is more and more urgent to quick charge's demand at present, and is bigger and bigger to the demand of charging power, and traditional PDU that advances more needs all relays of action to accomplish the power distribution, and the amount of heat generated is high, and prior art generally adopts the mode realization power distribution of PDU that advances more, but current PDU module exists that the structure is complicated, whole volume is great, the installation is very troublesome and the mixed and disorderly scheduling problem of circuit arrangement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve among the prior art PDU module and have that the structure is complicated, whole bulky, the troublesome technical problem of installation, provided a PDU module, simple structure is compact, small, simple to operate is swift.

The technical scheme of the utility model:

a PDU module, comprising:

the relay assembly comprises a plurality of first relays and a plurality of second relays, and both ends of each first relay are respectively and electrically connected with an incoming line positive branch copper bar and an outgoing line positive copper bar; two ends of each second relay are respectively and electrically connected with an incoming line negative pole branch copper bar and an outgoing line negative pole copper bar; a plurality of the first relays and the second relays are mounted on the relay mounting base plate in advance;

the incoming line positive copper bar is electrically connected with the incoming line positive branch copper bars;

the incoming line negative electrode copper bar is electrically connected with the incoming line negative electrode branch copper bars;

the control mainboard is electrically connected with the control ends of the first relays and the second relays through cables;

the shell is internally provided with the relay mounting bottom plate, the incoming line positive copper bar, the incoming line negative copper bar and the control mainboard.

Furthermore, the relay assembly is at least one group, the number of the control main boards is at least one, and the relay assembly and the control main boards are correspondingly arranged.

Furthermore, the PDU module further comprises a cable-passing bridge, the first relay and the second relay are arranged on one side of the cable-passing bridge, the control main board is arranged on the other side of the cable-passing bridge, the cable is arranged on the cable-passing bridge, and a plurality of fixing holes are formed in the cable-passing bridge and used for fixing the cable.

Further, first relay and second relay interval arrangement, the anodal copper bar of inlet wire is including the anodal copper bar of connecting of inlet wire and the anodal copper bar that converges of inlet wire, and is a plurality of anodal branch copper bar of inlet wire with the anodal copper bar overlap joint that converges of inlet wire, inlet wire negative pole copper bar is including inlet wire negative pole connecting copper bar and inlet wire negative pole copper bar that converges, and is a plurality of the branch copper bar of inlet wire negative pole is buckled downwards earlier then extend with the inlet wire negative pole copper bar overlap joint that converges.

Further, still be equipped with the mounting panel on the casing, the first step face of mounting panel through two insulators with the anodal copper bar of connecting of inlet wire is connected, the second step face of mounting panel through two insulators with the copper bar is connected to the inlet wire negative pole.

Further, the mounting plates are arranged on two sides of the shell.

Further, be equipped with a plurality of pilot lamps on the control mainboard, it is equipped with the observation window to correspond on the casing, the observation window is transparent material, still be equipped with the handle on the casing, the observation window the handle and the inlet wire end of the anodal copper bar of inlet wire and inlet wire negative pole copper bar all is located the inlet wire side of casing.

Furthermore, an insulating limiting plate is arranged on the shell on the outgoing line side, a plurality of limiting holes are formed in the insulating limiting plate and correspond to the outgoing line positive copper bars and the outgoing line negative copper bars, the limiting holes are used for limiting the outgoing line positive copper bars and the outgoing line negative copper bars, and the outgoing line positive copper bars and the outgoing line negative copper bars are provided with press riveting nuts respectively.

Further, still be equipped with temperature sensor in the PDU module and detect the temperature rise of the anodal copper bar of inlet wire and inlet wire negative pole copper bar.

Furthermore, the wire passing bridge is made of an insulating material, the shell comprises a bottom shell and an upper cover, and an insulating partition plate is further arranged between the wire passing bridge and the upper cover.

After the technical scheme is adopted, the utility model provides a pair of PDU module compares with prior art, has following beneficial effect: the utility model discloses an break-make of each relay of control mainboard control comes the electric energy distribution of the anodal copper bar of being qualified for the next round of competitions of difference and the negative pole copper bar department of being qualified for the next round of competitions of inlet wire positive copper bar and inlet wire negative pole copper bar, realizes the power distribution of one advances many plays, and calorific capacity is extremely low, more can satisfy flexible intelligent distribution demand. Furthermore, the utility model discloses a set up relay mounting plate, can install the copper bar at each relay and each relay both ends on this relay mounting plate in advance on the station, form a subassembly, put into the casing again, simple to operate is swift, and overall structure is simple compact, small. In addition, the one end of every first relay all is equipped with the anodal branch copper bar of inlet wire and is connected with the anodal copper bar of inlet wire, and the one end of every second relay all is equipped with inlet wire negative pole branch copper bar and is connected with inlet wire negative pole copper bar, so adopts the mode of branch copper bar, can dismantle alone after one of them relay damages and maintain convenient and fast, and do not influence other relay work.

Drawings

FIG. 1 is an electrical schematic diagram of a PDU module of the present embodiment;

fig. 2 is a schematic structural diagram of a PDU module in the present embodiment in a first view;

fig. 3 is a schematic structural diagram of a PDU module in the present embodiment under a second view angle;

fig. 4 is an exploded view of the PDU module in the first view according to the present embodiment;

fig. 5 is an exploded view of the PDU module in the second view angle;

fig. 6 is a schematic structural diagram of the relay assembly of the present embodiment;

fig. 7 is a schematic structural diagram of the incoming line positive copper bar and the incoming line negative copper bar in this embodiment;

fig. 8 is a schematic view illustrating the installation of the incoming line positive copper bar and the installation plate in the present embodiment;

FIG. 9 is an enlarged view taken at A in FIG. 8;

FIG. 10 is a schematic structural view of the mounting plate of the present embodiment;

fig. 11 is a schematic structural diagram of the bottom case of the present embodiment;

FIG. 12 is a schematic view of the position of the wire passing bridge of the present embodiment;

fig. 13 is a schematic structural diagram of the wire passing bridge of the present embodiment.

Wherein the content of the first and second substances,

the relay assembly comprises a relay assembly 1, a first relay 11, an incoming line positive pole branch copper bar 111, an outgoing line positive pole copper bar 112, a second relay 12, an incoming line negative pole branch copper bar 121, an outgoing line negative pole copper bar 122, a relay mounting base plate 13 and a press riveting nut 14; the line incoming positive electrode copper bar 2 is connected with the line incoming positive electrode copper bar 21 and the line incoming positive electrode busbar 22; the incoming line negative electrode copper bar 3, the incoming line negative electrode connecting copper bar 31, the incoming line negative electrode converging copper bar 32; a control main board 4, a main board bracket 41 and an indicator light 42; the wire passing bridge 5 and the fixing hole 51; an insulating spacer 6; the structure comprises a shell 7, a bottom shell 71, an upper cover 72, a mounting plate 73, a first step surface 731, a second step surface 732, an insulator 74, a cover plate 75, an observation window 76, a handle 77, a notch 78, an insulating limit plate 79, a lower limit plate 791, an upper limit plate 792 and a limit hole 793.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 2-11, the present embodiment provides a PDU module, which includes a relay assembly 1, an incoming line positive copper bar 2, an incoming line negative copper bar 3, a control motherboard 4 and a housing 7, wherein the relay assembly 1 includes a plurality of first relays 11 and a plurality of second relays 12, both ends of each first relay 11 are electrically connected to an incoming line positive branch copper bar 111 and an outgoing line positive copper bar 112, both ends of each second relay 12 are electrically connected to an incoming line negative branch copper bar 121 and an outgoing line negative copper bar 122, the plurality of first relays 11 and second relays 12 are pre-installed on a relay installation base plate 13, and the connection manner is compatible with a plurality of types of relays; the incoming line positive copper bar 2 is electrically connected with a plurality of incoming line positive branch copper bars 111; the incoming line negative copper bar 3 is electrically connected with a plurality of incoming line negative branch copper bars 121; the control main board 4 is electrically connected with the control ends of the first relays 11 and the second relays 12 through cables, so that the on-off of each relay can be controlled, and power is distributed to each charging gun; further, the housing 7 of this embodiment is a sheet metal part, and includes a bottom shell 71 and an upper cover 72, the relay mounting base plate 13, the line inlet positive copper bar 2, the line inlet negative copper bar 3, and the control main board 4 are installed in the bottom shell 71.

Like this, this embodiment controls the break-make of each relay through control mainboard 4 and comes to distribute the electric energy of inlet wire positive copper bar 2 and inlet wire negative copper bar 3 to the positive copper bar 112 of being qualified for the next round of competitions and the negative copper bar 122 department of being qualified for the next round of competitions of difference, realizes the power distribution that one was advanced many as shown in fig. 1, only needs a set of two relays that are of each distribution just can switch on the outgoing line all the way that needs and realize the distribution, compare with advancing one more and going out formula, calorific capacity is extremely low, more can satisfy flexible intelligent distribution demand. Moreover, this embodiment is through setting up relay mounting plate 13, can install the copper bar at each relay and each relay both ends on this relay mounting plate 13 on the station in advance, forms a subassembly, and then put into casing 7, simple to operate is swift, and overall structure is simple compact, and is small. In addition, every first relay 11's one end all is equipped with inlet wire positive pole branch copper bar 111 and is connected with inlet wire positive pole copper bar 2, and every second relay 12's one end all is equipped with inlet wire negative pole branch copper bar 121 and is connected with inlet wire negative pole copper bar 3, so adopts the mode of branch copper bar, can dismantle alone after one of them relay damages and maintain convenient and fast, and do not influence other relay work.

In order to facilitate assembly and expansion, the relay assembly 1 is at least one group, the control mainboard 4 is at least one group, and the relay assembly 1 and the control mainboard 4 are correspondingly arranged. Taking this embodiment as an example, as shown in fig. 4-8, this embodiment includes two sets of relay assemblies 1 and two control motherboards 4, each set of relay assembly 1 includes ten relays, that is, five first relays 11 and five second relays 12, these relays and the copper bars at both ends thereof are all pre-installed on one relay installation bottom plate 13, then two sets of relay assemblies 1 are installed in the bottom case 71, and two control motherboards 4 are installed in the bottom case 71 through the motherboard support 41 respectively. Therefore, on one hand, the length and the volume of each group of relay assemblies 1 are not too large, and the assembly and the transportation are convenient; on the other hand, because the relay assembly 1 and the control mainboard 4 are both modularized, the expansion and flexible reduction of the number of subsequent outgoing lines are facilitated.

As shown in fig. 6 to 8, the first relay 11 and the second relay 12 of the present embodiment are arranged in a straight line at intervals, which makes the structure more compact. Further, the anodal copper bar 2 of inlet wire of this embodiment is including the anodal inlet wire positive busbar copper bar 22 that connects copper bar 21 and rectangular shape of inlet wire, the first end salient of the anodal front side that connects copper bar 21 of inlet wire is the inlet wire side promptly, the power module tail of front end is inserted modes such as accessible copper bar or cable and is connected with the anodal first end of connecting copper bar 21 of inlet wire, the anodal second end and the anodal copper bar 22 overlap joint or integrated into one piece that converges of inlet wire of connecting copper bar 21 of inlet wire, the anodal branch copper bar 111 of a plurality of inlet wires and the anodal copper bar 22 overlap joint that converges of inlet wire. Similarly, the inlet wire negative electrode copper bar 3 includes the inlet wire negative electrode busbar copper bar 32 that the copper bar 31 and rectangular shape are connected to the inlet wire negative electrode, and the first end salient of inlet wire negative electrode connection copper bar 31 is in the front side of casing 7, and the power module of front end is connected with the first end that the copper bar 31 is connected to the inlet wire negative electrode, and the second end and the inlet wire negative electrode busbar copper bar 32 overlap joint or integrated into one piece of inlet wire negative electrode connection copper bar 31, the branch copper bar 121 of a plurality of inlet wire negative electrodes and the inlet wire negative electrode busbar copper bar 32 overlap joint. Therefore, the electric energy of the front-end incoming line is distributed to the outgoing lines at the rear end.

Preferably, as shown in fig. 6 to 7, in this embodiment, the plurality of incoming negative branch copper bars 121 are bent downward and then extend toward the incoming negative bus copper bar 32, and are overlapped with the incoming negative bus copper bar 32. Like this for the anodal busbar copper bar 22 of converging of inlet wire and inlet wire negative pole converge and keep certain distance from top to bottom between them, be convenient for guarantee the electrical insulation distance between the two, moreover to a certain extent reducible distance between the left and right sides between the two, make overall structure compacter. In other embodiments, the relay assemblies and the incoming copper bars can be preassembled and then placed in the housing.

As shown in fig. 8-10, the housing 7 of this embodiment is further provided with a mounting plate 73, the mounting plate 73 is shaped like a ladder, the mounting plate 73 includes a first step surface 731 and a second step surface 732, a certain height difference exists between the two step surfaces, the first step surface 731 is connected to the incoming line positive electrode connecting copper bar 21 through two insulators 74, and the second step surface 732 is connected to the incoming line negative electrode connecting copper bar 31 through two insulators 74. Firstly, the inlet wire positive connecting copper bar 21 and the inlet wire negative connecting copper bar 31 can be fixed by the mounting plate 73, and two insulators 74 are adopted corresponding to one inlet wire copper bar, so that the insulation between the inlet wire copper bar and the shell 7 and the stability after installation can be ensured. Secondly, install inlet wire anodal connection copper bar 21 and inlet wire negative pole respectively through setting up two step faces of co-altitude and connect copper bar 31 and make both control the certain distance that staggers, be convenient for both to be connected with the power module of front end, increased both electrical insulation distance simultaneously.

Preferably, as shown in fig. 11, in this embodiment, the mounting plates 73 are disposed on both left and right sides of the bottom case 71, and the incoming line positive connection copper bar 21 and the incoming line negative connection copper bar 31 may be disposed on one or both sides thereof. When provided only on one side, as shown in fig. 2, the opening on the other side is closed by a cover plate 75.

Further, the working state of each relay can be obtained in real time by the control main board 4 in this embodiment, as shown in fig. 11, a plurality of indicator lights 42 are disposed on the control main board 4, and these indicator lights 42 can reflect the working state of these relays, as shown in fig. 2, an observation window 76 is correspondingly disposed on the housing 7, and the observation window 76 is made of a transparent material, specifically, but not limited to, a PC material, so as to facilitate observation of the working state of the whole PDU module. Further, still be equipped with temperature sensor in the PDU module and detect the temperature rise of the anodal copper bar 2 of inlet wire and the negative pole copper bar 3 of inlet wire, these testing results feed back to the backstage, are convenient for in time discover and handle after overheated.

Further, as shown in fig. 2 to 5, the casing 7 of this embodiment is further provided with a handle 77, and the observation window 76, the handle 77, and the wire inlet ends of the wire inlet positive copper bar 2 and the wire inlet negative copper bar 3 are all located on the wire inlet side of the casing 7. Further, a notch 78 is formed at the rear side of the housing 7, i.e. the outlet side, of the embodiment, an insulation limiting plate 79 is arranged on the notch 78, a plurality of limiting holes 793 are formed in the insulation limiting plate 79 corresponding to the plurality of outlet positive copper bars 112 and the outlet negative copper bars 122, and the plurality of limiting holes 793 are used for limiting the plurality of outlet positive copper bars 112 and the outlet negative copper bars 122 so as to prevent the respective outlet copper bars from moving. Insulating limiting plate 79 includes lower limiting plate 791 and last limiting plate 792, because each copper bar of being qualified for the next round of competitions has the bending, so set up the installation of can being convenient for.

Preferably, as shown in fig. 6, the wire outlet positive copper bar 112 and the wire outlet negative copper bar 122 of the present embodiment are both provided with the clinch nut 14, so as to facilitate subsequent installation and maintenance of the complete machine at each wire outlet copper bar. And each outgoing line copper bar is subjected to electroplating treatment, and each outgoing line copper bar is sleeved with a heat-shrinkable sleeve.

Further, as shown in fig. 12-13, the PDU module of this embodiment further includes a wire-passing bridge 5, the first relay 11 and the second relay 12 are disposed on one side of the wire-passing bridge 5, and the control main board 4 is disposed on the other side of the wire-passing bridge 5, that is, the wire-passing bridge 5 is disposed above the wire-inlet positive busbar 22 and the wire-inlet negative busbar 32, cables between the relays and the control main board 4 are routed from the wire-passing bridge 5, and a plurality of fixing holes 51 are disposed on the wire-passing bridge 5 for fixing or binding the cables, so that connection is facilitated, the wire harness is neat and organized, and subsequent maintenance is facilitated.

Preferably, as shown in fig. 4-5, the wire passing bridge 5 is made of an insulating material, in this embodiment, an insulating partition 6 is further disposed between the wire passing bridge 5 and the upper cover 72, and the insulating partition 6 can be directly and fixedly mounted on the inner bottom surface of the upper cover 72, so that the insulating distance between the wire passing bridge 5 and the insulating partition 6 can be increased, and the overall structure can be more compact. The wire bridge 5 and the insulating partition 6 are specifically selected from but not limited to PC materials.

Therefore, the PDU module provided by the embodiment has the advantages of simple and compact structure, small volume, convenience and rapidness in installation, and neat and convenient maintenance and repair of the wiring harness.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (10)

1. A PDU module, comprising:

the relay assembly (1) comprises a plurality of first relays (11) and a plurality of second relays (12), wherein two ends of each first relay (11) are respectively and electrically connected with an incoming line positive pole branch copper bar (111) and an outgoing line positive pole copper bar (112); two ends of each second relay (12) are respectively and electrically connected with an incoming line negative pole branch copper bar (121) and an outgoing line negative pole copper bar (122); a plurality of the first relays (11) and the second relays (12) are mounted on a relay mounting base plate (13) in advance;

the incoming line positive copper bar (2) is electrically connected with the incoming line positive branch copper bars (111);

the incoming line negative electrode copper bar (3) is electrically connected with the incoming line negative electrode branch copper bars (121);

the control mainboard (4) is electrically connected with the control ends of the first relays (11) and the second relays (12) through cables;

the circuit breaker comprises a shell (7), wherein the relay mounting base plate (13), an inlet wire positive copper bar (2), an inlet wire negative copper bar (3) and a control main board (4) are mounted in the shell (7).

2. The PDU module according to claim 1, wherein the relay assemblies (1) are at least one group, the control main board (4) is at least one group, and the relay assemblies (1) and the control main board (4) are correspondingly arranged.

3. The PDU module according to claim 1 or 2, wherein the PDU module further comprises a wire-passing bridge (5), the first relay (11) and the second relay (12) are arranged on one side of the wire-passing bridge (5), the control main board (4) is arranged on the other side of the wire-passing bridge (5), the cable is routed from the wire-passing bridge (5), and a plurality of fixing holes (51) are formed in the wire-passing bridge (5) and used for fixing the cable.

4. The PDU module of claim 1, wherein the first relay (11) and the second relay (12) are arranged at intervals, the positive copper bar (2) of incoming line comprises a positive connecting copper bar (21) of incoming line and a positive bus copper bar (22) of incoming line, and is a plurality of the branch copper bar (111) of incoming line and the positive bus copper bar (22) of incoming line are lapped, the negative copper bar (3) of incoming line comprises a negative connecting copper bar (31) of incoming line and a negative bus copper bar (32) of incoming line, and is a plurality of the branch copper bar (121) of incoming line negative pole is bent downwards firstly and then extends and is lapped with the negative bus copper bar (32) of incoming line.

5. The PDU module according to claim 4, wherein a mounting plate (73) is further disposed on the housing (7), a first step surface (731) of the mounting plate (73) is connected to the incoming line positive connecting copper bar (21) through two insulators (74), and a second step surface (732) of the mounting plate (73) is connected to the incoming line negative connecting copper bar (31) through two insulators (74).

6. The PDU module according to claim 5, characterized in that the mounting plate (73) is provided on both sides of the housing (7).

7. The PDU module according to claim 1, wherein a plurality of indicator lights (42) are provided on the control main board (4), an observation window (76) is correspondingly provided on the housing (7), the observation window (76) is made of a transparent material, a handle (77) is further provided on the housing (7), and the observation window (76), the handle (77) and the inlet wire ends of the inlet wire positive copper bar (2) and the inlet wire negative copper bar (3) are all located on the inlet wire side of the housing (7).

8. The PDU module according to claim 1 or 7, wherein an insulation limiting plate (79) is arranged on the casing (7) at the wire outlet side, a plurality of limiting holes (793) are formed in the insulation limiting plate (79) corresponding to the plurality of wire outlet positive copper bars (112) and the plurality of wire outlet negative copper bars (122), the plurality of limiting holes (793) are used for limiting the plurality of wire outlet positive copper bars (112) and the plurality of wire outlet negative copper bars (122), and press-riveting nuts (14) are arranged on the wire outlet positive copper bars (112) and the wire outlet negative copper bars (122).

9. The PDU module of claim 1 or 7, wherein a temperature sensor is further provided in the PDU module to detect the temperature rise of the incoming line positive copper bar (2) and the incoming line negative copper bar (3).

10. The PDU module according to claim 3, wherein the wire-passing bridge (5) is made of an insulating material, the housing (7) comprises a bottom shell (71) and an upper cover (72), and an insulating partition plate (6) is further arranged between the wire-passing bridge (5) and the upper cover (72).

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