CN110797722A - Terminal interface device for distribution module and rail type terminal bus trunk body - Google Patents

Abstract

The invention provides a termination interface device for a power distribution module and a rail-type tail-end bus trunk body, which comprises a conductor clamping piece and a bus copper bar, wherein the conductor clamping piece is connected to a lower clamping shell of the power distribution module, the conductor clamping piece tightly holds the conductive copper bar of the bus trunk body, the conductor clamping piece is connected with the bus copper bar, and the bus copper bar is positioned in the lower clamping shell of the power distribution module. The termination interface device is simple and practical, can transmit the current or voltage on the conductive copper bars of the bus trunk body to the power supply and distribution module so as to facilitate a plurality of groups of electric elements to obtain electric energy, has small overall size and flexible structure, and can ensure reliable connection of a circuit.

Description

Terminal interface device for distribution module and rail type terminal bus trunk body

Technical Field

The invention relates to the technical field of connection structures of power supply and distribution modules and bus trunk bodies, in particular to a termination interface device of a power supply and distribution module and a rail-type tail-end bus trunk body.

Background

The bus duct system is a power distribution device which is widely applied to high-rise buildings and large-scale factory power distribution systems and efficiently transmits current, a power supply and distribution module is used as an important component of a bus duct and is mostly in a cantilever beam structure form, and therefore good and reliable contact and conduction of the power supply and distribution module and a conductive copper bar of a bus trunk body need to be guaranteed in practical application. For example, in chinese patent application No. 2019.04.02, publication No. CN209344382U, entitled "end-press interface device of power distribution module and conductive copper bar inside track type bus", a device for assisting in ensuring reliable contact between power distribution module and conductive copper bar of bus trunk body to realize electric conduction is disclosed, but after obtaining electric energy from conductive copper bar in the device, only a certain amount of electric devices can be supplied with electric energy, and the structure size of its end-press interface is large and fixed, resulting in insufficient flexibility of the whole structure, so i have developed and developed the device.

Disclosure of Invention

The invention mainly aims to solve the problems in the prior art, and provides a simple and practical termination interface device for a power supply and distribution module and a rail-type tail-end bus trunk body, which can transmit the current or the voltage on a conductive copper bar of the bus trunk body to the power supply and distribution module so as to facilitate a plurality of groups of electric elements to obtain electric energy, has small overall size and flexible structure, and can ensure reliable connection of a circuit.

In order to solve the technical problems, the invention adopts the technical scheme that: supply the distribution module and the termination interface arrangement of the terminal bus owner body of rail mounted, wherein supply the distribution module and the termination interface arrangement of the terminal bus owner body of rail mounted to include conductor joint spare and busbar copper strip, conductor joint spare is connected on the lower joint casing that supplies the distribution module, and connects the busbar copper strip on this conductor joint spare, holds the conductive copper strip of the bus owner body tightly by conductor joint spare, transmits the electric current to the busbar copper strip, the busbar copper strip is located the lower joint casing that supplies the distribution module, provides the electric energy for supplying the distribution module.

Further, the conductor clamping piece is arranged to comprise an outer sheath and a conductive clamping piece, the outer sheath is connected to the lower clamping shell of the power distribution module, the lower end of the conductive clamping piece is clamped in the outer sheath, and the upper end of the conductive clamping piece penetrates through the outer sheath and the lower clamping shell of the power distribution module and is connected with the bus copper bar in a contact mode.

Further, the oversheath sets up to including connecting portion and two sets of parcel portions, connecting portion are fixed in on the lower joint casing that supplies the distribution module, and correspond on the diapire of this connecting portion and set up two sets of parcel portions, connecting portion are passed to the upper end of electrically conductive clamping piece, and the lower extreme card of this electrically conductive clamping piece is located between two sets of parcel portions.

Furthermore, the connecting part is fixed on a lower clamping shell of the power distribution module.

Further, the wrapping portion is arranged to be C-shaped.

Further, electrically conductive clamping piece sets up to including overlap joint portion and two sets of elastic contact portion, overlap joint portion contacts with the busbar and is connected, and the both sides of this overlap joint portion correspond and set up the elastic contact portion, the elastic contact portion card is located in the oversheath, and this elastic contact portion can hold tightly on the electrically conductive copper bar of generating line trunk body.

Further, the overlapping part and the two sets of elastic contact parts may be integrally formed.

Furthermore, a convex strip is arranged on the overlapping part.

Furthermore, the two groups of elastic contact parts are respectively provided with an installation section, a contact section and a pressing section which are sequentially connected, the installation section is connected to the overlapping part, a conductive copper bar clamping cavity is formed between the two groups of contact sections, and one side, far away from the contact section, of the pressing section is in contact with the outer sheath.

Further, the contact section and the pressing section are clamped between the two groups of wrapping parts.

Further, the mounting section, the contact section and the pressing section may be integrally formed.

Furthermore, the conductor clamping piece is arranged to further comprise a connecting plate, the connecting plate is connected to the lower clamping shell of the power distribution module, the bottom of the connecting plate is connected with the outer sheath, and the contact area between the outer sheath and the lower clamping shell of the power distribution module is increased through the connecting plate.

Further, the connection plates can be integrally formed on the lower clamping shell of the power supply and distribution module.

Further, a connecting part is fixed on the connecting plate.

Furthermore, be connected with binding post on the busbar, binding post is used for connecting each electric elements of installation in the lower joint casing of power supply and distribution module.

The invention has the advantages and positive effects that:

(1) through the cooperation of conductor joint spare and busbar copper bar, can be with the electric current or the voltage on the electrically conductive copper bar of bus trunk body, transmit to the busbar copper bar by conductor joint spare for whole busbar copper bar is electrified, thereby conveniently supplies each electric elements and the busbar copper bar lug connection of distribution module, in order to make things convenient for wherein multiunit quantity electric elements to obtain the electric energy, whole size is less, and the structure is nimble.

(2) Through the setting of oversheath, can protect the electrically conductive clamping piece to reduce the erosion to it such as dust in the external environment, improve the life of electrically conductive clamping piece, simultaneously, the oversheath still can carry out the isolation between adjacent electrically conductive clamping piece, reduces the risk that the electrical property switched on easily takes place between adjacent electrically conductive clamping piece, with the further electric safety of guaranteeing.

(3) Through two sets of contact sections respectively with the both sides face of the electrically conductive copper bar of the generating line trunk body contact, can increase electrically conductive connection area of contact, reduce the condition that connecting portion generate heat easily, simultaneously also can provide bigger electric energy because the area of contact increase to, the structure that two sets of contact sections of electrically conductive clamping piece all can be put through mutually with the electrically conductive copper bar of the generating line trunk body, can realize even when one side breaks down among them in the use, the switch-on of circuit still can be guaranteed to the another side.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of the connection structure of the outer sheath and the connection plate in the invention.

Fig. 3 is another direction structure diagram of fig. 2.

Fig. 4 is a schematic view of a portion of a conductive clip according to the present invention.

Fig. 5 is a schematic diagram of the exploded structure of fig. 1.

Fig. 6 is a schematic diagram of a plurality of sets of termination interface devices (some of which have no terminals connected to the bus bars) adjacent to form power units of a power distribution module according to the present invention.

Fig. 7 is a schematic view of a connection structure between the power unit and the lower card housing of the power supply and distribution module in fig. 6.

Fig. 8 is another directional structural diagram of fig. 7.

Fig. 9 is a schematic view of the structure of fig. 8 with the partition removed.

Fig. 10 is a schematic view of the connection to the conductive copper bars of the bus bar backbone body when the present invention is used in a power distribution module.

In the figure: the bus bar comprises a conductor clamping piece 1, an outer sheath 11, a connecting part 111, a wrapping part 112, a first through hole 113, a conductive clamping piece 12, a lapping part 121, a convex strip 1211, an elastic contact part 122, an installation section 1221, a contact section 1222, a pressing section 1223, a conductive copper bar clamping cavity 1224, a connecting plate 13, a bus copper bar 2, a connecting terminal 21, a lower clamping shell 3 for a power distribution module, a bus copper bar accommodating cavity 31, a blocking strip 32, a conductive copper bar 4 of a bus bar main body, a partition plate 5 and a slotted hole 51.

Detailed Description

For a better understanding of the present invention, reference is made to the following detailed description and accompanying drawings that illustrate the invention.

Example one

As shown in fig. 1-10, the terminal interface device of the power distribution module and the rail-mounted terminal bus bar main body includes a conductor clamping member 1 and a bus bar copper bar 2, the conductor clamping member 1 is connected to a lower clamping housing 3 of the power distribution module, the conductor clamping member 1 is connected to the bus bar copper bar 2, the conductor clamping member 1 clasps the conductive bar copper 4 of the bus bar main body and transmits current to the bus bar copper 2, the bus bar copper 2 is located in the lower clamping housing of the power distribution module and provides power for the power distribution module, through the cooperation of the conductor clamping member 1 and the bus bar copper 2, the current or voltage on the conductive bar copper 4 of the bus bar main body can be transmitted from the conductor clamping member 1 to the bus bar copper 2, so that the whole copper bar copper 2 is electrified, thereby facilitating the direct connection of each electrical component of the power distribution module and the bus bar copper bar 2, and facilitating the acquisition of electrical components of a plurality of groups of electrical components, the whole size is small, and the structure is flexible.

Further, the conductor clamping piece 1 comprises an outer sheath 11 and conductive clamping pieces 12, the outer sheath 11 is connected to a lower clamping shell 3 of the power distribution module, the lower ends of the conductive clamping pieces 12 are clamped in the outer sheath 11, the upper ends of the conductive clamping pieces 12 penetrate through the outer sheath 11 and the lower clamping shell of the power distribution module and are in contact connection with the bus copper bars 2, the conductive clamping pieces 12 can be protected through the outer sheath 11, erosion of dust and the like in the external environment to the conductive clamping pieces is reduced, the service life of the conductive clamping pieces 12 is prolonged, meanwhile, the outer sheath 11 can also perform isolation between the adjacent conductive clamping pieces 12, the risk that electrical conduction easily occurs between the adjacent conductive clamping pieces 12 is reduced, and power utilization safety is further guaranteed.

Further, the outer sheath 11 includes a connecting portion 111 and two sets of wrapping portions 112, the connecting portion 111 is fixed on the lower clamping shell 3 of the power distribution module, the bottom wall of the connecting portion 111 is correspondingly provided with the two sets of wrapping portions 112, the upper end of the conductive clip 12 passes through the connecting portion 111, the lower end of the conductive clip 12 is clamped between the two sets of wrapping portions 112, the outer sheath 11 is fixed on the lower clamping shell 3 of the power distribution module through the connecting portion 111, and the two sets of wrapping portions 112 can perform isolation protection of the conductive clip 12.

Further, the connecting portion 111 is fixed to the lower card housing 3 of the power distribution module.

Specifically, a first through hole 113 is formed in the connecting portion 111, and a second through hole is formed in the lower clamping shell of the power supply and distribution module corresponding to the first through hole 113, so that the upper end of the conductive clamping piece 12 sequentially penetrates through the first through hole 113 and the second through hole from bottom to top to contact with the bus copper bar 2, and sequentially penetrates through the threaded hole in the connecting portion 111, the lower clamping shell of the power supply and distribution module, the upper end of the conductive clamping piece 12 and the bus copper bar 2 from bottom to top through a bolt, thereby fixing the connecting portion 111 on the lower clamping shell 3 of the power supply and distribution module, and reliability of contact between the conductive clamping piece 12 and the bus copper bar 2 is achieved.

Further, parcel portion 112 sets up to be the C type, and specifically, parcel portion 112 both forms the safety cover structure to electrically conductive clamping piece 12, can be again when electrically conductive clamping piece 12 contacts with the electrically conductive copper bar 4 of the generating line trunk body, for the action that electrically conductive clamping piece 12 was propped outward on electrically conductive copper bar, provides one and pushes away the effort in to guarantee that electrically conductive clamping piece 12 hugs closely on the electrically conductive copper bar 4 of the generating line trunk body.

Further, conductive clip 12 sets up to including overlap joint portion 121 and two sets of elastic contact portion 122, overlap joint portion 121 contacts with busbar copper bar 2 and is connected, and the both sides of this overlap joint portion 121 correspond and set up elastic contact portion 122, elastic contact portion 122 card is located in oversheath 11, and this elastic contact portion 122 can hug closely on conductive copper bar 4 of the generating line trunk body, be connected through the contact of overlap joint portion 121 and busbar copper bar 2, both realized the electric energy transmission to busbar copper bar 2, can guarantee the reliable connection of overlap joint portion 121 on the lower joint casing that supplies the distribution module again, and elastic contact portion 122 hugs closely on conductive copper bar 4 of the generating line trunk body, then can guarantee the reliability of electric energy transmission.

Specifically, the bolts sequentially penetrate through the threaded holes in the connecting portion 111, the lower clamping shell of the power supply and distribution module, the overlapping portion 121 and the bus copper bar 2 from bottom to top, so that the connecting portion 111 is fixed on the lower clamping shell 3 of the power supply and distribution module, and the contact reliability of the conductive clip 12 and the bus copper bar 2 is realized.

Further, the overlapping portion 121 and the two sets of elastic contact portions 122 may be integrally formed.

Furthermore, the two sets of elastic contact portions 122 are respectively configured to include a mounting section 1221, a contact section 1222 and a pressing section 1223, which are connected in sequence, the mounting section 1221 is connected to the overlapping portion 121, a conductive copper bar clamping cavity 1224 is formed between the two sets of contact sections 1222, one side of the pressing section 1223, which is far away from the contact section 1222, is in contact with the outer sheath 11, and the two sets of contact sections 1222 are respectively in contact with two side surfaces of the conductive copper bar 4 of the bus trunk body, so that the conductive connection contact area can be increased, the situation that the connecting portion 111 is prone to generate heat can be reduced, meanwhile, greater electric energy can be provided due to the increase of the contact area, and the two sets of contact sections 1222 of the conductive clip 12 can be in contact with the conductive copper bar 4 of the bus trunk body, so that even when one side of the conductive clip fails in the using process.

Specifically, the conductive clip 12 can be an elastic metal sheet which is easily conductive, and in addition, when the conductive clip 12 is connected to the conductive copper bar 4 of the bus trunk, the two sets of contact sections 1222 clamp the conductive copper bar inserted into the conductive copper bar clamping cavity 1224 in an embracing manner with the aid of the pressing section 1223, so that when the bus trunk is inversely installed, the stable and reliable connection between the power supply and distribution module and the bus trunk can be further improved due to the clamping force existing between the elastic contact portion 122 of the conductive clip 12 and the conductive copper bar.

Further, the contact section 1222 and the pressing section 1223 are clamped between the two sets of wrapping portions 112, wherein one side of the pressing section 1223 away from the contact section 1222 is in contact with the wrapping portions 112, and due to the fixed structure of the wrapping portions 112, when the contact section 1222 expands outward due to the conductive copper strip inserted into the two sets of contact sections 1222, the pressing section 1223 connected to the contact section 1222 generates an inward pushing force under the blocking effect of the wrapping portions 112, so that the contact section 1222 is reliably held tightly on the conductive copper strip.

Further, the mounting section 1221, the contact section 1222, and the pressing section 1223 may be integrally formed.

Furthermore, the bus copper bar 2 is connected with a wiring terminal 21, and the wiring terminal 21 is used for connecting each electrical element installed in a lower clamping shell of the power supply and distribution module so as to provide electric energy for each electrical element through the bus copper bar 2 and facilitate the circuit connection of each electrical element.

Example two

As shown in fig. 4, the difference from the first embodiment is that a protrusion 1211 is further provided on the bridging portion 121, and the friction between the bridging portion 121 of the conductive clip 12 and the bus bar 2 can be increased by the structure of the protrusion 1211 provided on the bridging portion 121.

EXAMPLE III

As shown in fig. 1 to 10, the difference from the first embodiment and the second embodiment is that, further, the conductor clamping member 1 is configured to further include a connection plate 13, the connection plate 13 is connected to the lower clamping housing 3 of the power supply and distribution module, and the bottom of the connection plate 13 is connected to the outer sheath 11, so that the connection plate 13 increases the contact area between the outer sheath 11 and the lower clamping housing of the power supply and distribution module, and further improves the connection reliability of the outer sheath 11.

Further, the connector plates 13 may be integrally formed on the lower snap housing 3 of the power supply and distribution module.

Further, the connection portion 111 is fixed to the connection plate 13, and the connection plate 13 and the outer sheath 11 may be integrally formed.

Furthermore, the lower clamping housing 3, the connection webs 13 and the outer jacket 11 of the power distribution module can be designed as an integrally injection-molded part.

Specifically, a first through hole 113 is formed in the connecting portion 111, a second through hole is formed in the connecting plate 13 corresponding to the first through hole 113, so that the bridging portion 121 of the conductive clip 12 sequentially penetrates through the first through hole 113 and the second through hole to contact with the bus copper bar 2, and sequentially penetrates through the threaded hole in the connecting portion 111, the connecting plate 13, the bridging portion 121 of the conductive clip 12 and the bus copper bar 2 from bottom to top through a bolt, so that the fixing of the connecting portion 111 on the connecting plate 13 is realized, and the contact reliability of the conductive clip 12 and the bus copper bar 2 is realized.

Example four

As shown in fig. 1-10, the difference from the first to third embodiments is that, furthermore, two sets of conductor clamping members 1 may be disposed at intervals, and the two sets of conductor clamping members 1 are disposed to ensure that the elastic contact portion 122 of the conductor clamping member 1 reliably transfers the electric energy on the conductive copper bar 4 of the bus trunk, so that even if the power distribution module is well connected with the bus trunk, during a long-term use, when one set of conductor clamping members 1 fails and cannot transfer the electric energy, the other set of conductor clamping members 1 can still transfer the electric energy, so that the power distribution module normally operates, and the usability of the termination interface device is further improved.

EXAMPLE five

As shown in fig. 1-10, the difference from the first to fourth embodiments is that, further, a plurality of sets of termination interface devices are adjacently disposed on the lower clamping casing 3 of the power distribution module to form a power unit of the power distribution module, so as to provide power for each electrical element mounted in the cavity of the power distribution module, and through the arrangement of the plurality of sets of termination interface devices on the lower clamping casing 3 of the power distribution module, only the corresponding termination interface device is replaced when one of the termination interface devices is damaged in the long-term use process, thereby effectively saving cost and ensuring the normal operation of the power distribution module.

Furthermore, a plurality of groups of bus copper bar accommodating cavities 31 are formed in the lower clamping shell 3 of the power distribution module, the bus copper bar accommodating cavities 31 are matched with accommodating ends of the bus copper bars 2 in the interface device, and a barrier bar 32 is arranged between the adjacent bus copper bar accommodating cavities 31.

Specifically, the barrier strip 32 is integrally formed on the lower clamping housing 3 of the power supply and distribution module, and a threaded hole is formed in the barrier strip 32.

Further, baffle 5 is established to the cover in the 2 tops of busbar among the multiunit termination interface arrangement, and baffle 5 through the bolt fastening in the blend stop 32, can carry out the separation between adjacent busbar 2 through blend stop 32, can reduce the risk that easily switches on between adjacent busbar 2, can make things convenient for the installation of the baffle 5 that the cover was established on multiunit busbar 2 again to prevent by baffle 5 that busbar 2's large tracts of land is exposed, improve the power consumption safety.

Specifically, the partition plate 5 is fixed on the barrier strip 32 by passing bolts through threaded holes in the partition plate 5 and the barrier strip 32 in sequence.

Furthermore, the partition board 5 is provided with the slot 51, and through the arrangement of the slot 51 on the partition board 5, the electric wires of each electric element can conveniently pass through, and when each electric element is electrically connected with the bus copper bar 2 to work, the slot 51 dissipates heat when the bus copper bar 2 works, so that the power utilization safety is ensured, and meanwhile, the damage of heating to the bus copper bar 2 and the electric elements is reduced.

The end connection interface device of the power supply and distribution module and the rail-type tail end bus trunk body is simple and practical, can transmit the current or voltage on the conductive copper bar of the bus trunk body to the power supply and distribution module so as to facilitate a plurality of groups of electric elements to obtain electric energy, has small integral size and flexible structure, and can ensure the reliable connection of a circuit. The assembly process of the termination interface device is as follows, taking example five as an example:

1. installation of the conductor clamping piece 1: the elastic contact parts 122 of the conductive clamping pieces 12 sequentially penetrate through the bus copper bar accommodating cavity 31 and the second connecting plate 13 through holes integrally formed on the lower clamping shell 3 of the power supply and distribution module from top to bottom, so that the lapping parts 121 of the conductive clamping pieces 12 are lapped in the bus copper bar accommodating cavity 31, and the corresponding installation of the two groups of conductive clamping pieces 12 on the lower clamping shell 3 of the power supply and distribution module is realized;

2. placing of the bus copper bar 2: after the step 1 is completed, the bus copper bar 2 is placed in the bus copper bar accommodating cavity 31, and the bus copper bar 2 is ensured to be in contact with the lapping parts 121 of the two groups of conductive clamping pieces 12;

3. the outer sheath 11 is installed: the outer sheath 11 is put in from the lower part of the connecting plate 13, so that the wrapping part 112 of the outer sheath is sleeved on the elastic contact part 122 of the conductive clamping piece 12, the contact section 1222 and the pressing section 1223 of the elastic contact part 122 are ensured to pass through the first through hole 113 in the connecting part 111 of the outer sheath 11, the pressing section 1223 is contacted with the wrapping part 112, and then bolts sequentially pass through the threaded holes in the connecting part 111, the connecting plate 13, the overlapping part 121 of the conductive clamping piece 12 and the bus copper bar 2 from bottom to top, so that the fixing of the connecting part 111 of the outer sheath 11 on the connecting plate 13 and the contact reliability of the conductive clamping piece 12 and the bus copper bar 2 are realized, and the installation of the two groups of outer sheaths 11 on the lower clamping shell 3;

4. assembly of multiple sets of termination interface devices on a lower clamping housing: repeating the steps 1-3, sequentially and adjacently arranging a plurality of groups of termination interface devices on the lower clamping shell 3 of the power supply and distribution module according to the specification of the actual power supply and distribution module to form a power unit of the power supply and distribution module, and connecting the wires of each electrical element with the wiring terminals 21 on the bus copper bars 2 so as to provide electric energy for each electrical element;

5. the cover is provided with a partition plate 5: after the step 4 is completed, covering the partition plates 5 on the multiple groups of bus copper bars 2, so that the wires of each electrical element penetrate out of the slotted holes 51 of the partition plates 5 and sequentially pass through the threaded holes on the partition plates 5 and the barrier strips 32 through bolts to realize the fixation of the partition plates 5 on the barrier strips 32, complete the installation of multiple groups of termination interface devices on the power supply and distribution module, and then perform the self-assembly of the power supply and distribution module;

6. and (3) clamping the power distribution module on the conductive copper strip of the bus trunk body: the power supply and distribution module assembled in step 5 is ensured to be tightly held on the conductive copper bar 4 of the bus trunk body by the two groups of contact sections 1222 of the elastic contact part 122 in the conductive clip 12 and the assistance of the pressing section 1223, so that the power supply and distribution module is enabled to transmit electric energy to the bus copper bar 2 through the conductive clip 12, the whole bus copper bar 2 is electrified, electric energy is provided for each electric element, and the work of the power supply and distribution module is ensured.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims (10)

1. Supply the termination interface arrangement of distribution module and terminal bus trunk body of rail mounted, its characterized in that: supply distribution module and terminal generating line trunk's of rail mounted termination interface arrangement includes conductor joint spare (1) and busbar (2), conductor joint spare (1) is connected on the lower joint casing (3) of supplying distribution module, holds electrically conductive copper bar (4) of generating line trunk by conductor joint spare (1) tightly, and connects busbar (2) on this conductor joint spare (1), busbar (2) are located the lower joint casing (3) of supplying distribution module.

2. A termination interface device for a power distribution module and a rail-mounted terminal bus trunk as claimed in claim 1, wherein: conductor joint spare (1) sets up to including oversheath (11) and electrically conductive clamping piece (12), oversheath (11) are connected on the lower joint casing (3) of power distribution module, and the lower extreme of establishing electrically conductive clamping piece (12) of card in this oversheath (11), the lower joint casing (3) of oversheath (11) and power distribution module are passed to the upper end of electrically conductive clamping piece (12), contact with busbar (2) and be connected.

3. A termination interface for a power supply and distribution module and a terminal end bus trunk of a railway as claimed in claim 2, wherein: oversheath (11) set up to including connecting portion (111) and two sets of parcel portion (112), connecting portion (111) are fixed in on power distribution module's lower joint casing (3), and correspond on the diapire of this connecting portion (111) and set up two sets of parcel portion (112), connecting portion (111) are passed to the upper end of electrically conductive clamping piece (12), and the lower extreme card of this electrically conductive clamping piece (12) is located between two sets of parcel portion (112).

4. A termination interface device for a power distribution module and a rail-mounted terminal bus trunk as claimed in claim 3, wherein: the wrapping part (112) is arranged to be C-shaped.

5. A termination interface device for a power distribution module and a rail-mounted terminal bus trunk as claimed in any one of claims 1 to 4, wherein: conductive clip (12) set up to including overlap joint portion (121) and two sets of elastic contact portion (122), overlap joint portion (121) and busbar (2) contact and be connected, and the both sides of this overlap joint portion (121) are corresponding to set up elastic contact portion (122), elastic contact portion (122) card is located in oversheath (11), and this elastic contact portion (122) hug closely on conductive copper bar (4) of the generating line owner trunk body.

6. A termination interface device for a power distribution module and a rail-mounted terminal bus trunk as claimed in claim 5, wherein: the two groups of elastic contact parts (122) are respectively arranged to comprise a mounting section (1221), a contact section (1222) and a pressing section (1223) which are connected in sequence, the mounting section (1221) is connected to the lapping part (121), a conductive copper bar clamping cavity (1224) is formed between the two groups of contact sections (1222), and one side, far away from the contact section (1222), of the pressing section (1223) is in contact with the outer sheath (11).

7. A termination interface device for a power distribution module and a rail-mounted terminal bus trunk as claimed in claim 6, wherein: the mounting section (1221), the contact section (1222) and the pressing section (1223) are integrally formed.

8. A termination interface device for a power distribution module and a rail-mounted terminal bus trunk as claimed in any one of claims 2-4, wherein: the conductor clamping piece (1) is arranged to further comprise a connecting plate (13), the connecting plate (13) is connected to the lower clamping shell (3) of the power supply and distribution module, and the bottom of the connecting plate (13) is connected with the outer sheath (11).

9. A termination interface device for a power distribution module and a rail-mounted terminal bus trunk as claimed in claim 8, wherein: the connecting plate (13) is integrally formed on the lower clamping shell (3) of the power supply and distribution module.

10. A termination interface device for a power distribution module and a rail-mounted terminal bus trunk as claimed in claim 1, wherein: be connected with binding post (21) on busbar (2), binding post (21) are used for connecting each electric elements who supplies the installation in the lower joint casing (3) of distribution module.

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