CN210326502U - Distribution box for pure electric bus - Google Patents
Distribution box for pure electric bus Download PDFInfo
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- CN210326502U CN210326502U CN201921642848.9U CN201921642848U CN210326502U CN 210326502 U CN210326502 U CN 210326502U CN 201921642848 U CN201921642848 U CN 201921642848U CN 210326502 U CN210326502 U CN 210326502U
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Abstract
The utility model discloses a distribution box for pure [ electric ] motor coach, which comprises a housin, the top of casing is provided with the end cover, and the bottom position of casing both sides lateral wall is provided with T type insulating pad respectively, and the four corners position of casing bottom has seted up the through-hole respectively, can fix the casing on pure [ electric ] motor coach through the bolt, and is small, and it is few to occupy whole car installation space, is applicable to middle-size and small-size pure [ electric ] motor coach and installs simple manufacture, and the preparation cycle is short, and easy installation, with low costs promotes whole car insurance utilization ratio; the traditional electromagnetic switch and the external safety are replaced, the exposure of the wire harness is reduced, and the attractiveness is improved; the surface spraying plastics of casing has the insulating layer, has seted up four line holes of crossing side by side on the lateral wall of casing one side, and four inside of crossing the line hole are provided with the line protective shroud respectively for the bottom of casing and the insulating pad cooperation of T type on the fixed orifices cover of whole car, play better insulation protection, the security performance is high, reduces market fault rate.
Description
Technical Field
The utility model relates to a pure [ electric ] motor coach puts in order car power distributor equipment field specifically is a block terminal for pure [ electric ] motor coach.
Background
With the continuous development of pure electric motor coach technology, the use range of the pure electric motor coach is wider. Most urban public transport bus systems tend to be perfect. Meanwhile, the development of small and medium-sized pure electric vehicles in cities and countryside is more and more rapid. The mature application of the CAN bus technology of the pure electric bus is realized by controlling most electric appliances of the whole bus by an instrument module, so that the number of fuse boxes of the whole bus is saved. Therefore, the novel distribution box for the pure electric passenger car is developed aiming at the limitations of small and medium pure electric passenger cars, such as low quantity of electric appliances of the whole car, installation space of the whole car and manufacturing cost.
The small-sized pure electric buses in the market still adopt the electromagnetic switch to control the power distribution of the whole bus, the electromagnetic switch is low in use safety, most of wiring harnesses are exposed outside after being installed, the attractiveness is reduced, and the market circuit failure rate is high due to the adoption of the electromagnetic switch and the external safety of the wiring harnesses.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a block terminal for pure [ electric ] motor coach to solve the small-size pure [ electric ] motor coach of part on the market still adopt electromagnetic switch to control whole car power distribution, electromagnetic switch safety in utilization is lower, and the installation back pencil majority exposes and reduces pleasing to the eye degree outward, uses electromagnetic switch and the external insurance of pencil to lead to the higher problem of market circuit fault rate easily.
The purpose of the utility model can be realized by the following technical scheme:
a distribution box for a pure electric bus comprises a shell, wherein an end cover is arranged at the top of the shell, T-shaped insulating pads are respectively arranged at the bottom positions of the side walls of two sides of the shell, two T-shaped insulating pads positioned on the same side are respectively arranged at the two ends of the shell, a fixing plate is arranged on the inner bottom surface of the shell, a first relay is arranged on one side of the top of the fixing plate, a second relay is arranged on the fixing plate on one side of the first relay, and a safety device is respectively arranged on one side of the first relay and one side of the second relay;
the first pin department of first relay is provided with T1 interface and T2 interface, and wherein TI interface is connected to whole car battery positive pole, and T2 interface connection instrument desk wane switching power supply, the second pin department of first relay is provided with T3 interface, T5 interface and T6 interface, and the second pin department of second relay is provided with the T4 interface.
As a further aspect of the present invention: first relay passes through the wire with the second relay and establishes ties, and first relay all is provided with the limiting plate with second relay one end, can fix through the bolt, improves the stability of structure, realizes the distribution of pure [ electric ] motor coach power.
As a further aspect of the present invention: the casing is the rectangle structure, and the through-hole has been seted up respectively to the four corners position of casing bottom, can fix the casing on pure [ electric ] motor coach through the bolt, and is small, and it is few to occupy whole car installation space, is applicable to middle-size and small-size pure [ electric ] motor coach installation.
As a further aspect of the present invention: the two fuses are both 100A fuses, and the fuse is suitable for the small and medium-sized pure electric buses when the number of electric appliances of the whole bus is small, and the manufacturing cost of the whole bus is saved.
As a further aspect of the present invention: the surface plastic-blasting of casing has the insulating layer, has seted up four on the lateral wall of casing one side by side for the bottom of casing and the insulating pad cooperation of T type on the fixed orifices cover of whole car, play better insulation protection.
The utility model has the advantages that:
1. the utility model discloses in, the casing is the rectangle structure, and the through-hole has been seted up respectively to the four corners position of casing bottom, can fix the casing on pure [ electric ] motor coach through the bolt, and is small, and it is few to occupy whole car installation space, is applicable to middle-size and small-size pure [ electric ] motor coach and installs and make simply, and the preparation cycle is short, easily installs, and is with low costs, promotes whole car insurance utilization ratio;
2. the utility model replaces the traditional electromagnetic switch and the external safety, reduces the exposure of the wire harness and improves the beauty; the surface spraying plastics of casing has the insulating layer, has seted up four line holes of crossing side by side on the lateral wall of casing one side, and four inside of crossing the line hole are provided with the line protective shroud respectively for the bottom of casing and the insulating pad cooperation of T type on the fixed orifices cover of whole car, play better insulation protection, the security performance is high, reduces market fault rate.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a distribution box for a pure electric bus according to the present invention;
FIG. 2 is a middle wire guard ring of the present invention;
in the figure: 1. a housing; 2. a first relay; 3. a second relay; 4. insurance; 5. an end cap; 6. a wire-passing guard ring; 7. a T-shaped insulating pad; 8. a fixing plate; 9. and a limiting plate.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, a distribution box for a pure electric bus comprises a housing 1, wherein an end cover 6 is arranged at the top of the housing 1, T-shaped insulating pads 7 are respectively arranged at the bottom positions of the side walls at two sides of the housing 1, two T-shaped insulating pads 7 positioned at the same side are respectively arranged at two ends of the housing 1, a fixing plate 8 is arranged on the inner bottom surface of the housing 1, a first relay 2 is arranged at one side of the top of the fixing plate 8, a second relay 3 is arranged on the fixing plate 8 at one side of the first relay 2, and a safety 4 is respectively arranged at one side of the first relay 2 and one side of the second relay 3;
a T1 interface and a T2 interface are arranged at a first pin of the first relay 2, wherein a TI interface is connected to the anode of a storage battery of the whole vehicle, a T2 interface is connected with an instrument desk rocker switching power supply, a T3 interface, a T5 interface and a T6 interface are arranged at a second pin of the first relay 2, and a T4 interface is arranged at a second pin of the second relay 3; during the use, the T1 interface supplies the whole car through insurance 4 and needs the electrical apparatus of ordinary electricity, and the required ordinary electricity of high-voltage system is supplied to T5 interface, and the required ordinary electricity of whole car fuse box is connected to the T6 interface, and the first pin of 2 second pins of first relay is connected to the first pin of second relay 3 through insurance 4, and the required 24V power of high-voltage system is supplied to the T4 interface of the second pin department of second relay 3.
Casing 1 is the rectangle structure, and the through-hole has been seted up respectively to the four corners position of casing 1 bottom, can fix casing 1 on pure [ electric ] motor coach through the bolt, and is small, and it is few to occupy whole car installation space, is applicable to middle-size and small-size pure [ electric ] motor coach installation.
The two safeties 4 are both 100A safeties, and the electric appliances are suitable for small and medium-sized pure electric buses when the quantity of the electric appliances of the whole bus is small, so that the manufacturing cost of the whole bus is saved.
The surface spraying plastics of casing 1 has the insulating layer, has seted up four line holes of crossing side by side on the lateral wall of casing 1 one side, and four inside of crossing the line hole are provided with line protective shroud 6 respectively for the bottom of casing 1 and the insulating pad cooperation of T type on the fixed hole cover of whole car, play better insulation protection.
The utility model discloses a theory of operation: the utility model discloses during the use, the T1 interface is supplied with the whole car through insurance 4 and is needed the electrical apparatus with the normal electricity, the required normal electricity of high-pressure system is supplied with to the T5 interface, the required normal electricity of T6 interface connection whole car fuse box, the first foot that is connected to second relay 3 through insurance 4 is drawn to the 2 second feet of first relay, the required 24V power of high-pressure system is supplied with to the T4 interface that the second foot of second relay 3 was drawn the department, first relay 2 and second relay 3 are established ties through the wire, first relay 2 all is provided with limiting plate 9 with 3 one end of second relay, can fix through the bolt, the stability of structure is improved, realize the distribution of pure [ electric ] motor coach power.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A distribution box for a pure electric bus comprises a shell (1) and is characterized in that an end cover (5) is arranged at the top of the shell (1), T-shaped insulating pads (7) are respectively arranged at the bottom positions of the side walls of two sides of the shell (1), two T-shaped insulating pads (7) positioned on the same side are respectively arranged at the two ends of the shell (1), a fixing plate (8) is arranged on the inner bottom surface of the shell (1), a first relay (2) is arranged on one side of the top of the fixing plate (8), a second relay (3) is arranged on the fixing plate (8) on one side of the first relay (2), and a safety device (4) is respectively arranged on one side of the first relay (2) and one side of the second relay (3);
the first pin department of first relay (2) is provided with T1 interface and T2 interface, and wherein TI interface is connected to whole car battery positive pole, and T2 interface connection instrument desk wane switching power supply, the second pin department of first relay (2) is provided with T3 interface, T5 interface and T6 interface, and the second pin department of second relay (3) is provided with the T4 interface.
2. A distribution box for a pure electric bus according to claim 1, characterized in that the first relay (2) and the second relay (3) are connected in series through a wire, and one end of each of the first relay (2) and the second relay (3) is provided with a limiting plate (9).
3. The distribution box for the pure electric bus according to claim 1, wherein the casing (1) is of a rectangular structure, and through holes are respectively formed in four corners of the bottom of the casing (1).
4. A distribution box for a pure electric bus according to claim 1, characterized in that 100A fuse is adopted for both fuses (4).
5. The distribution box for the pure electric bus according to claim 1, wherein an insulating layer is sprayed on the outer surface of the shell (1), four wire through holes are formed in the side wall of one side of the shell (1) side by side, and wire through guard rings (6) are respectively arranged inside the four wire through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921642848.9U CN210326502U (en) | 2019-09-29 | 2019-09-29 | Distribution box for pure electric bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921642848.9U CN210326502U (en) | 2019-09-29 | 2019-09-29 | Distribution box for pure electric bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210326502U true CN210326502U (en) | 2020-04-14 |
Family
ID=70133411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921642848.9U Active CN210326502U (en) | 2019-09-29 | 2019-09-29 | Distribution box for pure electric bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210326502U (en) |
-
2019
- 2019-09-29 CN CN201921642848.9U patent/CN210326502U/en active Active
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