CN216489112U - Take gas protection's power distribution module and engineering machine tool - Google Patents
Take gas protection's power distribution module and engineering machine tool Download PDFInfo
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- CN216489112U CN216489112U CN202123108796.7U CN202123108796U CN216489112U CN 216489112 U CN216489112 U CN 216489112U CN 202123108796 U CN202123108796 U CN 202123108796U CN 216489112 U CN216489112 U CN 216489112U
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Abstract
The utility model discloses a power distribution module with gas protection and an engineering machine, which comprises a box body, a box cover, a back plate, a safety sheet and a relay; the box body adopts a double-layer structure; the box cover is detachably arranged with the front of the box body; the back plate is detachably mounted with the back surface of the box body; the safety plate is fixed on the fixing stud of the corresponding safety groove on the upper layer of the box body through a nut; the relay is fixed on the corresponding metal insert at the lower layer of the box body through screws and is connected with each contact of the relay and the corresponding output contact stud through a bus bar. The utility model has the characteristics of the integrated level is high, with low costs, small, the leakproofness good, the ageing resistance can be high, installation maintenance is convenient.
Description
Technical Field
The utility model relates to an engineering machine tool field especially relates to an excavator is with power distribution module of taking gas protection.
Background
At present, a large-current relay and a large-capacity fuse box are required to be used in loops of a main power supply, engine starting control, engine electric preheating and the like of an excavator electric control system, an electric box assembly is generally developed for conveniently overhauling and reasonably distributing related circuits, and the large-current relay and the large-capacity fuse box are intensively arranged in an electric box.
The existing electric box assembly of the excavator mainly comprises a metal box body, a metal box cover, a large-current relay, a large-capacity fuse box, a connecting cable and the like.
The electric box body generally adopts a sheet metal part structure and comprises a metal box body, a metal box cover, a fixing screw and the like, and an opening type sealing ring is arranged at the inlet of a wiring harness.
Each fuse box and each relay adopt a tiled layout, and are fixed on a box body bottom plate by adopting metal screws, so that the box body is large in size.
When the complete machine is provided with the electric box assembly, the cable connection among all electric devices is carried out on site.
The existing metal box body has heavier mass and high purchasing cost, and can not meet the insulation requirement of electrical spontaneous combustion prevention.
The sheet metal part manufacturing process is complicated, the processes of blanking, bending, welding, anti-corrosion treatment, paint spraying or plastic spraying treatment and the like are needed, and the requirement on equipment resources is high.
The box cover of the electrical box assembly needs to be removed when the whole excavator of the excavator is assembled, each wiring harness connecting point is installed to the corresponding relay and the corresponding fuse box on site, the circuit is arranged after the installation is finished, the wiring harness is fixed by a binding belt, and the assembly worker is long and needs professional electrical assembly worker post setting operation.
The whole tightness of the metal box body cannot be guaranteed, dust and water vapor easily enter the electric box to cause corrosion of electric connection points, and the relay generates faults such as poor contact due to the breathing effect.
SUMMERY OF THE UTILITY MODEL
The utility model provides a power distribution module with gas protection, which is used for solving the problems of high failure rate, poor sealing performance, inconvenient installation and maintenance, high purchasing cost and the like of the electric devices of the conventional electric box body,
the utility model discloses realize according to following technical scheme:
the utility model discloses a power distribution module with gas protection, which comprises a box body, a box cover, a back plate, a safety sheet and a relay; the box body adopts a double-layer structure; the box cover is detachably arranged with the front of the box body; the back plate is detachably mounted with the back surface of the box body; the safety plate is fixed on the fixing stud of the corresponding safety groove on the upper layer of the box body through a nut; the relay is fixed on the corresponding metal insert at the lower layer of the box body through screws and is connected with each contact of the relay and the corresponding output contact stud through a bus bar.
Further scheme: the box body is also provided with an inflation valve with a one-way stop valve inside.
The preferable scheme is as follows: the inflation valve is installed in the bottom department of box body lower floor, can carry out evacuation and protective gas filling operation to the box body lower floor through the inflation valve.
Further scheme: the box body upper strata is equipped with back style of calligraphy sealed wall is equipped with a plurality of safe slots in, be equipped with fixing stud in the safe slot.
Further scheme: and a plurality of output connection points of the safety pieces are arranged outside the square-shaped sealing wall and at the lower part of the box body, and an insulating partition wall is arranged between every two adjacent output connection points.
Further scheme: the box cover is provided with a square-shaped sealing wall which corresponds to the square-shaped sealing wall on the box body in position, so that space sealing after the box body and the box cover are installed is realized.
Further scheme: and the box cover is provided with an insulating partition wall corresponding to the insulating partition wall on the box body.
Further scheme: and a sealing ring is arranged between the box body and the back plate, so that the overall sealing performance of the box body is realized.
The preferable scheme is as follows: the box body and the box cover are mechanically installed together through a draw hook; the box body and the back plate are installed together through screws.
The preferable scheme is as follows: the box body, the box cover and the back plate are made of engineering plastics.
The utility model also discloses an engineering machine tool installs foretell power distribution module of taking gas protection.
The preferable scheme is as follows: the work machine includes an excavator.
The utility model discloses beneficial effect:
the box body adopts a relay and safety layered structure, the front surface of the box body is provided with a square-shaped sealing wall, and safety sealing protection can be realized after the box cover is installed; an integral sealing ring is arranged between the box body and the back plate, so that the back space of the box body is sealed; the bottom of the box body is provided with an inflation valve which can be vacuumized and filled with protective gas to isolate dust and water vapor and reduce electrical faults such as poor contact of contacts and the like caused by corresponding breathing of the relay. The concentrated outlet contact has an insulating partition wall, and the loop isolation is more reliable. The box body and the box cover are fixed through the draw hook, so that maintenance is more convenient.
The main parts of the power distribution module are made of engineering plastics, so that the power distribution module has good insulating property and can meet the insulating requirement of electrical spontaneous combustion prevention. The integrated air-conditioning system has the characteristics of high integration level, low cost, small volume, good sealing performance, high ageing resistance and convenience in installation and maintenance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
FIG. 1 is a schematic diagram of a power distribution module with gas protection according to an embodiment of the present disclosure
FIG. 2 is a schematic diagram of a box body according to an embodiment of the present disclosure;
fig. 3 is a rear view assembly diagram of a power distribution module according to an embodiment of the present disclosure;
FIG. 4 is a front view of an assembled power distribution module according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram of an external shape of a box cover provided in an embodiment of the present application.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A power distribution module with gas protection is applied to an electrical control system of an excavator and comprises a box body 100, a box cover 200, a draw hook 300, a back plate 400, a sealing ring 500, an inflation valve 600, relays 701 and 702, bus bars 801, 802, 803 and 804 and safety plates 901, 902, 903, 904 and 905.
The case body 100 and the cap 200 are mechanically coupled together by means of the hook 300. The case 100 and the back plate 400 are mounted together by metal screws. A sealing ring 500 is arranged between the box body 100 and the back plate 400. The safety plates 901, 902, 903, 904 and 905 are fixed on the fixing studs of the corresponding safety slots on the upper layer of the box body 100 through nuts. The relays 701 and 702 are fixed on corresponding metal inserts on the lower layer of the box body 100 through screws. The relays 701, 702 are connected to the relay contacts and the corresponding output contact studs by bus bars 801, 802, 803, 804. The air charging valve 600 is installed at the lower portion of the case 100 and has a check valve therein. The box body 100, the box cover 200, the draw hook 300 and the back plate 400 are mainly made of engineering plastics.
The invention will be further explained below with reference to the drawings and examples.
Referring to fig. 1, fig. 1 is a schematic diagram illustrating a complete assembly of a power distribution module.
As shown in fig. 1, the box body 100 and the box cover 200 are locked by the hook 300 after being assembled.
When the first installation and the later maintenance and repair are performed, the draw hook 300 can be outwardly opened, and the box cover 200 can be removed.
Referring to fig. 2, fig. 2 is a schematic diagram of a box body of the power distribution module.
As shown in fig. 2, when the box 100 is produced by injection molding, the contact studs, the upper and lower layer conduction bolts and the bus bars of each circuit to be secured are embedded in the housing, so that the box has the function of a safety disc mounting seat, and the purchase cost and the installation time of the conventional safety seat and the fixed standard thereof are saved.
The box body 100 adopts a double-layer design, the relay and the safety disc are arranged in a layered mode, the safety disc is arranged on the upper layer, and the on-off condition of each loop can be conveniently checked; and a large-current relay is arranged on the lower layer, so that the volume of the whole box body is smaller.
The round-shaped sealing wall 101 is designed around the safety slot 102, and is matched with the box cover 200 to complete waterproof and dustproof protection of the safety piece installation space.
The input connection points, the output connection points 103 of each relay and the fuse are intensively arranged at the lower part of the box body 100, so that the wiring of a user is convenient, and the insulation partition walls 104 are designed among the connection points, so that the circuit isolation is more reliable.
Referring to fig. 3, fig. 3 is a rear view assembly diagram of the power distribution module.
As shown in fig. 3, the relays 701, 702 are fixed to the corresponding metal inserts of the lower layer of the case 100 by screws.
The relays 701, 702 are connected to the relay contacts and the corresponding output contact studs by bus bars 801, 802, 803, 804.
The air filling valve 600 is installed at the lower portion of the case 100.
The case 100 and the back plate 400 are mounted together by metal screws.
A sealing ring 500 is arranged between the box body 100 and the back plate 400, so that the whole sealing performance of the box body 100 is realized.
Referring to fig. 4, fig. 4 is a front view of the power distribution module.
As shown in fig. 4, the safety plates 901, 902, 903, 904, 905 are fixed on the fixing studs of the corresponding circuit safety slots 102 on the upper layer of the box body 100 through nuts.
Please refer to fig. 5, fig. 5 is a schematic diagram of the box cover.
As shown in fig. 5, a square-shaped sealing wall 201 is designed on the box cover 200, and corresponds to the square-shaped sealing wall 101 on the box body 100, so as to seal the space between the box body 100 and the box cover 200 after installation.
The box cover 200 is further provided with an insulating partition wall 202 corresponding to the insulating partition wall 104 on the box body 100, so that the circuit isolation between the connection points is more reliable after the box body 100 and the box cover 200 are installed.
After the components of the power distribution module are assembled in sequence, common air at the lower layer of the box body 100 is pumped out through the inflation valve 600 by using a vacuumizing device, then protective gas is filled through the inflation valve 600, and filling is completed after the filling pressure reaches a set value.
When the whole machine is installed, the draw hook 300 can be opened outwards, the box cover 200 can be manually disassembled, and all cables at the cable bundle end are connected to the corresponding output connection points 103, so that the assembling process can be completed.
In conclusion, the box body adopts a relay and safety layered structure, the front surface of the box body is provided with a square-shaped sealing wall, and safety sealing protection can be realized after the box cover is installed; an integral sealing ring is arranged between the box body and the back plate, so that the back space of the box body is sealed; the bottom of the box body is provided with an inflation valve which can be vacuumized and filled with protective gas to isolate dust and water vapor and reduce electrical faults such as poor contact of contacts and the like caused by corresponding breathing of the relay. The concentrated outlet contact has an insulating partition wall, and the loop isolation is more reliable. The box body and the box cover are fixed through the draw hook, so that maintenance is more convenient.
The main parts of the power distribution module are made of engineering plastics, so that the power distribution module has good insulating property and can meet the insulating requirement of electrical spontaneous combustion prevention.
Compared with the traditional electric box assembly, the cable connection and the line arrangement among all the internal electric devices are not needed, the post setting operation of an electric assembler is not needed, and the assembling time is saved.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.
Claims (11)
1. The utility model provides a take gas protection's power distribution module which characterized in that includes:
the box body adopts a double-layer structure;
the box cover is detachably arranged with the front of the box body;
the back plate is detachably arranged with the back surface of the box body;
the safety plate is fixed on the fixing stud of the corresponding safety groove on the upper layer of the box body through a nut;
and the relay is fixed on the corresponding metal insert at the lower layer of the box body through screws and is connected with each contact of the relay and the corresponding output contact stud through a bus bar.
2. The power distribution module with gas protection of claim 1, wherein:
the box body is also provided with an inflation valve with a one-way stop valve inside.
3. The power distribution module with gas protection of claim 2, wherein:
the inflation valve is installed in the bottom department of box body lower floor, can carry out evacuation and protective gas filling operation to the box body lower floor through the inflation valve.
4. The power distribution module with gas protection of claim 1, wherein:
the box body upper strata is equipped with back style of calligraphy sealed wall is equipped with a plurality of safe slots in, be equipped with fixing stud in the safe slot.
5. A power distribution module with gas protection as claimed in claim 4, wherein:
and output connection points of a plurality of safety pieces are arranged outside the square-shaped sealing wall and at the lower part of the box body, and an insulating partition wall is arranged between every two adjacent output connection points.
6. The power distribution module with gas protection of claim 5, wherein:
the box cover is provided with a square-shaped sealing wall which corresponds to the square-shaped sealing wall on the box body in position, so that space sealing after the box body and the box cover are installed is realized.
7. The power distribution module with gas protection of claim 5, wherein:
and the box cover is provided with an insulating partition wall corresponding to the insulating partition wall on the box body.
8. A power distribution module with gas protection according to any one of claims 1 to 7, characterized in that:
and a sealing ring is arranged between the box body and the back plate, so that the overall sealing performance of the box body is realized.
9. A power distribution module with gas protection according to any one of claims 1 to 7, characterized in that:
the box body and the box cover are mechanically installed together through a draw hook;
the box body and the back plate are installed together through screws.
10. A power distribution module with gas protection according to any one of claims 1 to 7, characterized in that:
the box body, the box cover and the back plate are made of engineering plastics.
11. A construction machine characterized in that:
a gas protected power distribution module as claimed in any one of claims 1 to 10 is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123108796.7U CN216489112U (en) | 2021-12-13 | 2021-12-13 | Take gas protection's power distribution module and engineering machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123108796.7U CN216489112U (en) | 2021-12-13 | 2021-12-13 | Take gas protection's power distribution module and engineering machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216489112U true CN216489112U (en) | 2022-05-10 |
Family
ID=81421188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123108796.7U Active CN216489112U (en) | 2021-12-13 | 2021-12-13 | Take gas protection's power distribution module and engineering machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216489112U (en) |
-
2021
- 2021-12-13 CN CN202123108796.7U patent/CN216489112U/en active Active
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