CN214325087U - High-voltage power distribution device of high-speed train - Google Patents
High-voltage power distribution device of high-speed train Download PDFInfo
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- CN214325087U CN214325087U CN202023340994.1U CN202023340994U CN214325087U CN 214325087 U CN214325087 U CN 214325087U CN 202023340994 U CN202023340994 U CN 202023340994U CN 214325087 U CN214325087 U CN 214325087U
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Abstract
The utility model discloses a high-voltage distribution device of a high-speed train, which comprises a multilayer plate component, a radiator, a collecting plate, a control plate, a diode, a fuse mounting component, a current sensor and a relay; the radiator, the acquisition board, the control board, the diode, the fuse mounting assembly, the current sensor and the relay are mounted on the multilayer board assembly; the relay positive terminal, the diode and the fuse mounting assembly are connected through the current conducting plate to form a high-voltage positive circuit; the current sensor and the fuse mounting assembly are connected through a current conducting plate to form a high-voltage negative pole loop; the control board, the acquisition board, the relay, the current sensor and the radiator are connected through a wire harness to form a low-voltage loop; the utility model discloses, through setting up the multilayer board subassembly, concentrate the circuit electrical part of high-pressure part and low pressure part together for whole high voltage distribution unit structure is cleaner and tidier, and the volume is littleer and handy, and integrated degree is high.
Description
Technical Field
The utility model relates to a high-voltage distribution technical field specifically is a high-speed train high-voltage distribution device.
Background
In recent years, new energy vehicles have been developed rapidly. The electric vehicle runs under high-power electric power, has high voltage and high current, and has great test for the design of a high-voltage power distribution system and the selection of high-voltage components. In consideration of the space of the whole vehicle and the complexity and cost of the whole vehicle structure, the industry widely adopts a centralized high-voltage electrical system structure for power distribution, and a high-voltage power supply directly enters a high-voltage distribution box and then is distributed to a system high-voltage electrical product according to the needs of the system.
The high-voltage distribution device of the traditional high-speed train is separately installed at high voltage and low voltage, the structure is not simplified enough, and the high-voltage distribution device occupies a great space.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: the high-speed train high-voltage power distribution device is small in occupied space, simple in structure and high in integration degree.
In order to solve the technical problem, the utility model provides a following technical scheme: a high-voltage power distribution device of a high-speed train comprises a multilayer plate assembly, a radiator, a collecting plate, a control plate, a diode, a fuse mounting assembly, a current sensor and a relay; the radiator, the acquisition board, the control board, the diode, the fuse mounting assembly, the current sensor and the relay are mounted on the multilayer board assembly; the relay positive terminal, the diode and the fuse mounting assembly are connected through the current conducting plate to form a high-voltage positive circuit; the current sensor and the fuse mounting assembly are connected through a current conducting plate to form a high-voltage negative pole loop; the control panel, the acquisition panel, the relay, the current sensor and the radiator are connected through a wire harness to form a low-voltage loop.
Through setting up the multilayer board subassembly, concentrate the circuit electrical part of high voltage part and low pressure part together for whole high voltage distribution unit structure is cleaner and tidier, and the volume is littleer, and integrated degree is high.
Preferably, the multi-layer plate assembly comprises a first support plate, a second support plate, a third support plate; first backup pad, second backup pad, third backup pad range upon range of setting in proper order, and first backup pad covers the second backup pad.
Preferably, a shell is fixedly connected outside the first supporting plate; a radiator is arranged on one side of the shell; the heat sink is fixed on the top surface of the third support plate.
Preferably, the two side edges of the first supporting plate are downwards connected with first folding lugs, the plate surfaces of which are parallel and lower than the plate surface of the first supporting plate; the two first folding lugs are of symmetrical L-shaped structures; the first supporting plate is fixedly provided with a collecting plate and a control plate; and a socket is fixed at the edge of the acquisition board.
Preferably, the second support plate is disposed above the first support plate; two side edges of the second supporting plate vertically extend downwards to form two side plates; the side plate horizontally extends outwards to form a second folding lug; the second folding lug is fixedly connected with the surface of the first supporting plate; the height of the side plate is higher than that of the plug socket.
Preferably, a third connecting plate is arranged above the second supporting plate; two side edges of the third connecting plate are bent outwards and extended with L-shaped third folding lugs; the third folding lug is fixedly connected with the horizontal plane of the second folding lug.
Preferably, a current sensor is fixed on the third supporting plate surface; a relay is arranged on one side of the current sensor; the relay is fixed on the surface of the third supporting plate; and a fuse mounting assembly is further fixed on the surface of the third supporting plate.
Preferably, the fuse mounting assembly comprises a fuse body, a connecting plate, a limiting column and a column base; a plurality of insulated terminals are fixed on the multi-layer board assembly; a column seat is fixed on the insulating terminal; and the top end surface of the column base is welded with a limit column which is vertical in the axial direction.
Preferably, the connecting plate comprises a vertical plate, a transverse plate and a clamping groove; the bottom end of the vertical plate is fixedly provided with an integrally formed transverse plate; the end part of the transverse plate facing the limiting column is provided with a clamping groove with the groove width equal to the outer diameter of the limiting column; and a fuse body is fixed on the vertical face of the vertical plate.
Preferably, an L-shaped plate is fixed on the vertical surface of the other side of the fuse body; the plate transversely arranged at the bottom of the L-shaped plate is welded on the current-conducting plate; the plate surface of the conductive plate is fixed on the supporting seat; the bottom of the supporting seat is fixed with the insulating terminal; the conducting plate penetrates through the current sensor, and the end part of the conducting plate is electrically connected with the relay.
A low-pressure loop: the control panel, the acquisition panel and the relay are connected through the wire harness, the current sensor is connected with the radiator to control the relay and acquire signals of the current sensor and the temperature of the radiator, the structure is simple, the integration degree of a low-voltage part is high, and the occupied space is small; high-voltage positive pole loop: the current flows into the fuse body through the current conducting plate and flows through the diode through the current conducting plate; the high-voltage negative pole loop is used for enabling current to pass through the current sensor through the current conducting plate, and enabling the fuse body to flow out; the high-voltage part has centralized circuit electric devices and simple structure; the circuit electric devices of the high-voltage part and the low-voltage part are integrated together by arranging the first supporting plate, the second supporting plate and the third supporting plate, so that the whole high-voltage power distribution unit has a cleaner structure, smaller volume, high integration degree and less occupied space; simultaneously, through setting up the connecting plate to and set up on the diaphragm with spacing post matched with draw-in groove, realize the quick location to the fuse body, the installation is swift convenient.
Compared with the prior art, the beneficial effects of the utility model are that:
A. by arranging the multilayer plate assembly, the circuit electric devices of the high-voltage part and the low-voltage part are integrated together, so that the whole high-voltage power distribution unit has a cleaner structure, a smaller volume, a high integration degree and a small occupied space;
B. the devices used by high pressure and low pressure are concentrated on the first supporting plate, the second supporting plate and the third supporting plate which are arranged in a stacked mode, the concentration degree is high, and the occupied space is small; then through setting up the connecting plate to and seted up on the diaphragm with spacing post matched with draw-in groove, realize the quick location to the fuse body, the installation is swift convenient.
Drawings
Fig. 1 is a schematic perspective view of a high-voltage power distribution device of a medium-high speed train according to the present invention;
FIG. 2 is an exploded view of the high voltage distribution device of the middle and high speed train of the present invention;
FIG. 3 is an enlarged view of the area A in FIG. 2 according to the present invention;
FIG. 4 is a perspective view of the middle connection plate of the present invention;
fig. 5 is an enlarged view of the area B in fig. 2 according to the present invention.
Description of the drawings: 1. a multi-layer panel assembly; 11. a first support plate; 12. a second support plate; 13. a third support plate; 2. a housing; 3. a heat sink; 4. collecting a plate; 41. a socket; 5. a control panel; 6. a diode; 7. a fuse mounting assembly; 71. a fuse body; 72. a connecting plate; 721. a vertical plate; 722. a transverse plate; 723. a card slot; 73. a limiting column; 74. a column base; 8. a current sensor; 9. a relay.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, 2, 3 and 5, the embodiment discloses a high-voltage power distribution device for a high-speed train, which includes a multi-layer board assembly 1, a housing 2, a heat sink 3, a collecting board 4, a control board 5, a diode 6, a fuse mounting assembly 7, a current sensor 8 and a relay 9.
Referring to fig. 2, the multi-layer plate assembly 1 includes a first support plate 11, a second support plate 12, and a third support plate 13. First backup pad 11, second backup pad 12, third backup pad 13 stack gradually and set up, and first backup pad 11 covers second backup pad 12.
Referring to fig. 1 and 2, the first support plate 11 is fixedly connected to the outer shell 2 through bolts. A radiator 3 is arranged on one side of the shell 2. The heat sink 3 is fixed to the top surface of the third support plate 3 by bolts.
The two side edges of the first supporting plate 11 are downwards connected with first folding lugs, the plate surfaces of which are parallel and lower than the plate surface of the first supporting plate 11. The two first folding lugs are of symmetrical L-shaped structures. And the acquisition plate 4 and the control plate 5 are fixed on the first support plate 11 through bolts. A socket 41 is fixed at the edge of the collecting plate 4 by bolts.
The second support plate 12 is disposed above the first support plate 11. And two side edges of the second supporting plate 12 vertically extend downwards to form two side plates. The side plate extends outwards and horizontally to form a second folding lug. The second tab is fixedly connected with the 11 plate surfaces of the first supporting plate through bolts. The side panel height is higher than the patch port 41 height.
A third connecting plate 13 is arranged above the second supporting plate 12. Two side edges of the third connecting plate 13 are bent outwards and extended with L-shaped third folding lugs. The third folding lug is fixedly connected with the horizontal plane of the second folding lug through bolt fixing.
And a current sensor 8 is fixed on the surface of the third supporting plate 13 through a bolt. A relay 9 is provided on one side of the current sensor 8. The relay 9 is fixed on the surface of the third support plate 13 through bolts.
Referring to fig. 3, the fuse mounting assembly 7 includes a fuse body 71, a connecting plate 72, a limiting post 73, and a post holder 74. A plurality of insulating terminals are welded on the surface of the third supporting plate 13. The insulating terminal is fixed with a post holder 74 by a bolt. The top end face of the column seat 74 is welded with a limiting column 73 which is vertical in the axial direction.
Referring to fig. 4, the connecting plate 72 includes a vertical plate 721, a horizontal plate 722 and a locking groove 723. An integrally formed transverse plate 722 is fixed to the bottom end of the vertical plate 721. The end of the horizontal plate 722 facing the limiting column 73 is provided with a clamping groove 723 with a groove width equal to the outer diameter of the limiting column 72. The vertical surface of the vertical plate 721 is fixed with the fuse body 71 by bolts.
Referring to fig. 5, an L-shaped plate is fixed to the other side vertical surface of the fuse body 71 by bolts. And the plate transversely arranged at the bottom of the L-shaped plate is welded on the current-conducting plate. The plate surface of the current conducting plate is fixed on the supporting seat through a bolt. The bottom of the supporting seat is fixed with the insulating terminal through a bolt. The conductive plate passes through the current sensor 8, and the end part of the conductive plate is electrically connected with the relay 9.
The working principle of the embodiment is as follows: a low-pressure loop: the control panel 5, the acquisition panel 4, the relay 9 and the current sensor 8 are connected with the radiator 3 through a wire harness to control the relay 9 and acquire signals of the current sensor 8 and the temperature of the radiator 3, the structure is simple, the integration degree of a low-voltage part is high, and the occupied space is small; high-voltage positive pole loop: the current flows into the positive terminal of the relay 9, is connected with the diode 6 through the conductive plate, and flows out of the fuse body 71 through the conductive plate; a high-voltage negative circuit, wherein current passes through the current sensor 8 through the current conducting plate, and flows out of the fuse body 71; the high-voltage part has centralized circuit electric devices and simple structure; the circuit electric devices of the high-voltage part and the low-voltage part are integrated together by arranging the first support plate 11, the second support plate 12 and the third support plate 13, so that the whole high-voltage power distribution unit has a cleaner structure, a smaller volume, a high integration degree and a small occupied space; meanwhile, the connecting plate 72 is arranged, and the transverse plate 722 is provided with a clamping groove 723 matched with the limiting column 73, so that the fuse body 71 is quickly positioned, and the installation is quick and convenient.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a high-speed train high voltage distribution device which characterized in that: the system comprises a multi-layer plate assembly, a radiator, an acquisition plate, a control plate, a diode, a fuse mounting assembly, a current sensor and a relay; the radiator, the acquisition board, the control board, the diode, the fuse mounting assembly, the current sensor and the relay are mounted on the multilayer board assembly; the relay positive terminal, the diode and the fuse mounting assembly are connected through the current conducting plate to form a high-voltage positive circuit; the current sensor and the fuse mounting assembly are connected through a current conducting plate to form a high-voltage negative pole loop; the control panel, the acquisition panel, the relay, the current sensor and the radiator are connected through a wire harness to form a low-voltage loop.
2. The high-voltage power distribution device of the high-speed train as claimed in claim 1, wherein: the multilayer board assembly comprises a first supporting board, a second supporting board and a third supporting board; first backup pad, second backup pad, third backup pad range upon range of setting in proper order, and first backup pad covers the second backup pad.
3. The high-voltage power distribution device of the high-speed train as claimed in claim 2, wherein: the outer part of the first supporting plate is fixedly connected with a shell; a radiator is arranged on one side of the shell; the heat sink is fixed on the top surface of the third support plate.
4. The high-voltage power distribution device of the high-speed train as claimed in claim 2, wherein: two side edges of the first supporting plate are downwards connected with first folding lugs with plate surfaces parallel to and lower than the plate surface of the first supporting plate; the two first folding lugs are of symmetrical L-shaped structures; the first supporting plate is fixedly provided with a collecting plate and a control plate; and a socket is fixed at the edge of the acquisition board.
5. The high-voltage power distribution device of the high-speed train as claimed in claim 4, wherein: the second supporting plate is arranged above the first supporting plate; two side edges of the second supporting plate vertically extend downwards to form two side plates; the side plate horizontally extends outwards to form a second folding lug; the second folding lug is fixedly connected with the surface of the first supporting plate; the height of the side plate is higher than that of the plug socket.
6. The high-voltage power distribution device of the high-speed train as claimed in claim 5, wherein: a third connecting plate is arranged above the second supporting plate; two side edges of the third connecting plate are bent outwards and extended with L-shaped third folding lugs; the third folding lug is fixedly connected with the horizontal plane of the second folding lug.
7. The high-voltage power distribution device of the high-speed train as claimed in claim 2, wherein: a current sensor is fixed on the surface of the third supporting plate; a relay is arranged on one side of the current sensor; the relay is fixed on the surface of the third supporting plate; and a fuse mounting assembly is further fixed on the surface of the third supporting plate.
8. The high-voltage power distribution device of the high-speed train as claimed in claim 1, wherein: the fuse mounting assembly comprises a fuse body, a connecting plate, a limiting column and a column base; a plurality of insulated terminals are fixed on the multi-layer board assembly; a column seat is fixed on the insulating terminal; and the top end surface of the column base is welded with a limit column which is vertical in the axial direction.
9. The high-voltage power distribution device of the high-speed train as claimed in claim 8, wherein: the connecting plate comprises a vertical plate, a transverse plate and a clamping groove; the bottom end of the vertical plate is fixedly provided with an integrally formed transverse plate; the end part of the transverse plate facing the limiting column is provided with a clamping groove with the groove width equal to the outer diameter of the limiting column; and a fuse body is fixed on the vertical face of the vertical plate.
10. The high-voltage power distribution device of the high-speed train as claimed in claim 8, wherein: an L-shaped plate is fixed on the vertical surface of the other side of the fuse body; the plate transversely arranged at the bottom of the L-shaped plate is welded on the current-conducting plate; the plate surface of the conductive plate is fixed on the supporting seat; the bottom of the supporting seat is fixed with the insulating terminal; the conducting plate penetrates through the current sensor, and the end part of the conducting plate is electrically connected with the relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023340994.1U CN214325087U (en) | 2020-12-30 | 2020-12-30 | High-voltage power distribution device of high-speed train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023340994.1U CN214325087U (en) | 2020-12-30 | 2020-12-30 | High-voltage power distribution device of high-speed train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214325087U true CN214325087U (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023340994.1U Active CN214325087U (en) | 2020-12-30 | 2020-12-30 | High-voltage power distribution device of high-speed train |
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| Country | Link |
|---|---|
| CN (1) | CN214325087U (en) |
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- 2020-12-30 CN CN202023340994.1U patent/CN214325087U/en active Active
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Address after: Room 403, building a (incubator 16), No. 14, Wenguang Road, Xili community, Xili street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Teri Huateng new energy Co.,Ltd. Patentee after: Liangshujin Address before: 518100 zone a, floor 3, building B, Qiaoyun factory, No. 1 Dahua Road, Yanchuan community, Songgang street, Bao'an District, Shenzhen, Guangdong Patentee before: SHENZHEN NANRUI HUATENG NEW ENERGY Co.,Ltd. Patentee before: Liangshujin |