CN113825332B - Cabinet for power control module and power control device - Google Patents
Cabinet for power control module and power control device Download PDFInfo
- Publication number
- CN113825332B CN113825332B CN202110966269.5A CN202110966269A CN113825332B CN 113825332 B CN113825332 B CN 113825332B CN 202110966269 A CN202110966269 A CN 202110966269A CN 113825332 B CN113825332 B CN 113825332B
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- CN
- China
- Prior art keywords
- control module
- power supply
- supply control
- shielding door
- box body
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- 238000003780 insertion Methods 0.000 claims abstract description 17
- 230000037431 insertion Effects 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/002—Casings with localised screening
Abstract
The application discloses a chassis for a power supply control module and a power supply control device, the chassis comprises a chassis body, a switchable shielding door is arranged on the chassis body, hinge structures for controlling the opening and closing angles of the shielding door are symmetrically arranged on two sides of the inner wall of the chassis body, a guide structure is arranged at the bottom of the chassis body, a blind insertion interface for inserting the power supply control module is arranged at a stop position close to the guide structure, a support structure for supporting and fixing the power supply control module is arranged at a starting position close to the guide structure, the power supply control module can be inserted on the blind insertion interface under the guiding action of the guide structure, the power supply control module is positioned under the cooperation of the guide structure and the support structure, the blind insertion interface is electrically connected with an external interface arranged on the rear side of the chassis body through a wire, and external power supply equipment is connected with the power supply control module through the external interface. The blind insertion interface and the guide structure are arranged in the chassis, so that the power supply control module can be quickly assembled and disassembled, electromagnetic waves can be shielded, and the working safety in the chassis is ensured.
Description
Technical Field
The application relates to the technical field of power control, in particular to a chassis for a power control module and a power control device.
Background
At present, power supply is needed on ships, equipment vehicles and communication vehicles, and mainly comes from storage batteries, diesel generating sets or other power generation equipment. After the equipment is regulated and controlled by the power supply control module, each power supply equipment can be normally used. Limited by the large size of the power supply equipment, the installation space left for the power supply control module is very limited.
The existing power control module is arranged in the case, the power control module in the case is connected with external power supply equipment through an interface on the case, and the case is required to be disassembled for monitoring and disassembling the power control module, so that the operation is very inconvenient. Because the size of the power supply equipment is large, the case can be arranged in a narrow space, so that the power supply control module is inconvenient to assemble and disassemble in the case, the power supply control module is monitored, maintained and installed very difficultly.
Disclosure of Invention
Aiming at the problems existing in the prior art, the application aims to provide a chassis for a power control module and a power control device, which are compact and reasonable in layout, and convenient for monitoring and quick disassembly of the power control module.
In order to achieve the above purpose, the chassis for the power control module comprises a chassis body, a switchable shielding door is arranged on the chassis body, hinge structures for controlling the opening and closing angles of the shielding door are symmetrically arranged on two sides of the inner wall of the chassis body, a guide structure is arranged at the bottom of the chassis body, a blind insertion port for inserting the power control module is arranged at a stop position close to the guide structure, a support structure for supporting and fixing the power control module is arranged at a starting position close to the guide structure, the power control module can be inserted on the blind insertion port under the guiding action of the guide structure, the power control module is positioned under the cooperation of the guide structure and the support structure, the blind insertion port is electrically connected with an external interface arranged on the rear side of the chassis body through a wire, and external power supply equipment is connected with the power control module through the external interface.
Further, the shielding door, the guide structure, the blind insertion port and the external port are sequentially arranged along the front side and the rear side of the box body, the guide structure is a guide rail, the guide rail is provided with a guide groove arranged along the front and the rear directions of the box body, the bottom of the power supply control module is provided with a guide plate matched with the guide groove for guiding, and the guide plate is matched with the guide groove for guiding the power supply control module in the moving direction of the guide rail and positioning the left and the right directions of the power supply control module.
Further, the blind plug interface is mounted on the back plate, the back plate is arranged in the left-right direction of the box body and divides the box body into a front accommodating space and a rear accommodating space, the guide structure and the power control module are arranged in the front accommodating space, and the lead is arranged in the rear accommodating space.
Further, the hinge structure comprises a first hinge and a second hinge which are symmetrically arranged left and right in the box body, one end of the first hinge is connected with a hinge seat arranged on the left side in the box body, the other end of the first hinge is connected with the inner side of the shielding door, one end of the second hinge is connected with a hinge seat arranged on the right side in the box body, and the other end of the second hinge is connected with the inner side of the shielding door; the lower side of the shielding door is hinged with the box body and keeps the angle of the shielding door when the shielding door is opened under the action of the first hinge and the second hinge.
Further, the opening angle range of the shielding door is 0-120 degrees.
Further, electromagnetic shielding glass is arranged on the shielding, and when the shielding door is closed, the working state of the power supply control module in the box body can be observed through the electromagnetic shielding glass.
Further, a plurality of locking structures are arranged at the top of the shielding door at intervals along the left-right direction of the shielding door, and the shielding door is locked with the box body through the locking structures.
Further, the bearing structure includes supporting plate and mount, the supporting plate sets up bottom in the box and be close to the start position department of guide rail, the mount sets up top in the box, power control module's length with the guide rail with the sum of the length of supporting plate is corresponding, the mount with the cooperation of supporting plate will power control module fixes a position from top to bottom, and power control module front side is fixed the mount with on the supporting plate, the power control module rear side is pegged graft will on the blind interface power control module front and back location.
Further, a push-pull handle is arranged on the power supply control module, and a carrying handle is arranged on the box body.
The power control device comprises a plurality of power control modules and the case, wherein the power control modules are positioned in the case.
The blind-inserting interface and the guiding structure are arranged in the chassis, so that the power supply control module can be quickly assembled and disassembled, the shielding door can shield electromagnetism, the working safety of the power supply control module in the chassis is ensured, and the problems of inconvenience in operation, maintenance, replacement and disassembly caused by limited space of operators in the prior art are solved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a chassis with a power control module mounted therein according to an embodiment of the present application;
FIG. 2 is a cross-sectional view of a chassis according to an embodiment of the present application;
FIG. 3 is a schematic diagram illustrating an internal structure of a chassis according to an embodiment of the present application;
FIG. 4 is a schematic diagram of an embodiment of the application with a chassis open;
FIG. 5 is a schematic diagram illustrating a closed chassis according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a front panel of a chassis according to an embodiment of the present application;
FIG. 7 is a rear view of a chassis according to an embodiment of the present application;
FIGS. 8A-8B are schematic diagrams of a guide structure according to an embodiment of the present application;
FIG. 9 is a schematic diagram of a blind mating interface according to an embodiment of the present application;
fig. 10 is a schematic diagram of a power control module according to an embodiment of the application.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art.
In describing embodiments of the present application, it should be noted that, unless explicitly stated and limited otherwise, the term "coupled" should be interpreted broadly, for example, as being fixedly coupled, detachably coupled, integrally coupled, mechanically coupled, electrically coupled, directly coupled, or indirectly coupled via an intermediate medium. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
The terms "top," "bottom," "above … …," "below," and "above … …," "side-to-side," "up-down" are relative positions with respect to components of the device, such as the relative positions of the top and bottom substrates inside the device, as used throughout the description. It will be appreciated that the devices are versatile, irrespective of their orientation in space.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature of a "first" or "second" as defined may include one or more such feature, either explicitly or implicitly. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 10, the chassis for a power control module of the present application includes a case 1, a openable shielding door 2 is disposed on the case 1, hinge structures 3 for controlling an opening and closing angle of the shielding door 2 are symmetrically disposed on two sides of an inner wall of the case 1, a guiding structure 4 is disposed at an inner bottom of the case 1, a blind plugging port 6 for plugging the power control module 5 is disposed at a position close to a cut-off position of the guiding structure 4, a supporting structure 7 for supporting and fixing the power control module 5 is disposed at a position close to a start position of the guiding structure 4, the power control module 5 can be plugged onto the blind plugging port 6 under a guiding effect of the guiding structure 4, and is positioned for the power control module 5 under a cooperation of the guiding structure 4 and the supporting structure 7, the blind plugging port 6 is electrically connected with an external interface 8 disposed at a rear side of the case 1 through a wire (not shown in the drawing), and an external power supply device is connected with the power control module 5 through the external interface 8. The starting position of the guiding structure 4 refers to the position of the guiding structure 4 close to the shielding door, and the stopping position of the guiding structure 4 refers to the position of the guiding structure 4 close to the blind insertion opening 6.
The blind insertion interface and the guide structure are arranged in the chassis, and the arrangement positions of the blind insertion interface and the guide structure are matched with each other, so that an operator only needs to push and pull the power control module under the guide of the guide structure when disassembling the power control module in the chassis, the power control module can be conveniently and rapidly inserted or pulled out from the blind insertion interface, and the problems that in the prior art, the space is limited, and the operation, maintenance, replacement and disassembly of the power control module are inconvenient for the operator are solved. In addition, the shielding door capable of controlling the opening and closing angle is arranged on the box body, the power control module does not need to be disassembled when the power control module is disassembled, and the power control module can be conveniently installed into the machine box only by opening the shielding door. The shielding door also has electromagnetic shielding effect, so that the work of the power control module in the case can be prevented from being influenced by electromagnetic interference, and the work safety of the power control module in the case can be ensured. Because the chassis is limited in installation space, the hinge structure can keep the shielding door to be opened at a proper angle, and the power control module can be conveniently disassembled and assembled by an operator on the premise of avoiding interference to external equipment.
The shielding door 2, the guiding structure 4, the blind mating interface 6 and the external interface 8 are sequentially arranged along the front and rear sides of the case 1, the guiding structure 4 is a guide rail, and the guide rail is provided with a guide groove 41 arranged along the front and rear direction of the case 1, see fig. 8A and 8B. As shown in fig. 10, a guide plate 51 that cooperates with the guide groove 41 to guide the bottom of the power control module 5, and the guide plate 51 cooperates with the guide groove 41 to guide the moving direction of the power control module 5 on the guide rail and position the power control module 5 in the left-right direction.
As shown in fig. 2 and 3, the blind plugging port 6 is mounted on a back plate 61, the back plate 61 is disposed along the left-right direction of the case 1 and divides the case 1 into front and rear accommodating spaces 11 and 12, the guide structure 4 and the power control module 5 are disposed in the front accommodating space 11, and the wires are disposed in the rear accommodating space 12. Because the external power supply equipment is mostly a high-power supply, in order to ensure the safety of work, the wires connected between the external power supply equipment and the power supply control module are thicker wires which can bear the high-power requirement. In order to ensure the safety of the power control modules, the space in the chassis is divided into two parts by the back plate 61, the power control modules 5 are arranged in the front accommodating space 11 close to the shielding door, the wires are arranged in the rear accommodating space 12 close to the external interface 8, the installation of the wires and the power control modules is not interfered with each other, the power control modules 5 are further ensured not to be interfered by the wires when being disassembled and assembled, and the working safety of the power control modules is improved. In addition, the position layout of the wires and the power supply control module in the case is reasonable and compact in structure, and on one hand, the wires are convenient to disassemble and assemble the power supply control module, and the consumption of the wires is also saved to a certain extent.
The hinge structure 3 comprises a first hinge 31 and a second hinge 32 which are symmetrically arranged left and right in the box body 1, one end of the first hinge 31 is connected with a hinge seat 33 arranged on the left side in the box body 1, the other end of the first hinge 31 is connected with the inner side of the shielding door 2, one end of the second hinge 32 is connected with a hinge seat arranged on the right side in the box body 1, and the other end of the second hinge 32 is connected with the inner side of the shielding door 2; the lower side of the shielding door 2 is hinged with the case 1 and maintains an angle of the shielding door 2 when opened by the first hinge 31 and the second hinge 32. The opening angle of the shielding door 2 can be arbitrarily adjusted according to actual needs. The shielding door 2 adopts the design of a downward-turning door, can not occupy left and right spaces, is particularly suitable for being used in spaces with smaller sizes, is usually placed on external power supply equipment in actual use, is influenced by the external power supply equipment at the lower part of the machine case, and cannot be excessively large in the downward opening angle of the shielding door 2, and the opening angle range of the shielding door 2 is 0-120 degrees, so that convenience in disassembling and assembling a power supply control module is ensured, and interference is not caused to the external power supply equipment at the lower part.
The shielding door 2 is provided with electromagnetic shielding glass 21, and when the shielding door 2 is closed, the working state of the power supply control module 5 in the box body 1 can be observed through the electromagnetic shielding glass 21. An operator can monitor the power supply control module 5 in the box body 1 in real time through the electromagnetic shielding glass 21, and can monitor the power supply control module without opening a shielding door, so that the monitoring of the power supply control module is facilitated.
As shown in fig. 5 and 6, a plurality of locking structures 21 are provided at the top of the shielding door 2 at intervals along the left-right direction of the shielding door 2, and the shielding door 2 is locked with the case 1 by the locking structures 21. The locking structure 21 may be a structure in which a plurality of screw holes are formed in the top of the front panel of the case 1 at intervals, a plurality of screws are formed in corresponding positions on the top of the shielding door 2, and the shielding door 2 and the case 1 are locked by screwing the screws into the screw holes after the shielding door 2 is closed. The safety risk caused by the accidental opening of the shielding door 2 can be prevented by the locking structure 21.
The supporting structure 7 comprises a supporting plate 71 and a fixing frame 72, the supporting plate 71 is arranged at the bottom in the box body 1 and is close to the starting position of the guide rail, the fixing frame 72 is arranged at the top in the box body 1, the length of the power supply control module 5 corresponds to the sum of the lengths of the guide rail and the supporting plate 71, the fixing frame 72 and the supporting plate 71 are matched to position the power supply control module 5 up and down, the front side of the power supply control module 5 is fixed on the fixing frame 72 and the supporting plate 71, and the rear side of the power supply control module 5 is inserted on the blind insertion interface 6 to position the power supply control module 5 back and forth. Under the cooperation of the supporting structure 7, the guiding structure 4 and the blind plugging interface 6, the power supply control module 5 is positioned in six directions in the chassis, so that the safe and stable operation of the power supply control module can be ensured.
As shown in fig. 6 and 10, the power control module 5 is provided with a push-pull handle 52, and the case 1 is provided with a carrying handle 13. The power control module can be conveniently disassembled and assembled through the push-pull handle 52, and the chassis can be conveniently carried through the carrying handle 13.
The application also provides a power control device comprising a plurality of power control modules 5 and a chassis as described above, wherein the plurality of power control modules 5 are positioned in the chassis. The structure of the chassis is described in detail in the above embodiments, and will not be described herein.
Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It is to be understood that the application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (5)
1. The chassis for the power supply control module is characterized by comprising a box body, wherein a switchable shielding door is arranged on the box body, hinge structures for controlling the opening and closing angles of the shielding door are symmetrically arranged on two sides of the inner wall of the box body, a guide structure is arranged at the bottom of the box body, a blind insertion port for inserting the power supply control module is arranged at a cut-off position close to the guide structure, a support structure for supporting and fixing the power supply control module is arranged at a starting position close to the guide structure, the power supply control module can be inserted on the blind insertion port under the guiding action of the guide structure, the power supply control module is positioned under the cooperation of the guide structure and the support structure, the blind insertion port is electrically connected with an external interface arranged on the rear side of the box body through a wire, and external power supply equipment is connected with the power supply control module through the external interface; the shielding door, the guide structure, the blind insertion interface and the external interface are sequentially arranged along the front side and the rear side of the box body, the guide structure is a guide rail, the guide rail is provided with a guide groove arranged along the front-rear direction of the box body, the bottom of the power supply control module is provided with a guide plate matched with the guide groove for guiding, and the guide plate and the guide groove are matched with guide the moving direction of the power supply control module on the guide rail and position the left-right direction of the power supply control module;
the blind plug-in port is arranged on the backboard, the backboard is arranged along the left-right direction of the box body and divides the box body into a front accommodating space and a rear accommodating space, the guide structure and the power supply control module are arranged in the front accommodating space, and the lead is arranged in the rear accommodating space;
the hinge structure comprises a first hinge and a second hinge which are symmetrically arranged left and right in the box body, one end of the first hinge is connected with a hinge seat arranged on the left side in the box body, the other end of the first hinge is connected with the inner side of the shielding door, one end of the second hinge is connected with a hinge seat arranged on the right side in the box body, and the other end of the second hinge is connected with the inner side of the shielding door; the lower side of the shielding door is hinged with the box body, and the angle of the shielding door when the shielding door is opened is kept under the action of the first hinge and the second hinge, and the opening angle range of the shielding door is 0-120 degrees;
the supporting structure comprises a supporting plate and a fixing frame, the supporting plate is arranged at the bottom in the box body and is close to the starting position of the guide rail, the fixing frame is arranged at the top in the box body, the length of the power supply control module corresponds to the sum of the lengths of the guide rail and the supporting plate, the fixing frame and the supporting plate are matched to position the power supply control module up and down, the front side of the power supply control module is fixed on the fixing frame and the supporting plate, and the rear side of the power supply control module is spliced on the blind interface to position the power supply control module front and back.
2. The cabinet of claim 1, wherein the shielding door is provided with electromagnetic shielding glass, and the working state of the power control module in the cabinet can be observed through the electromagnetic shielding glass when the shielding door is closed.
3. The cabinet of claim 2, wherein the shielding door top is provided with a plurality of locking structures spaced apart in a left-right direction of the shielding door, and the shielding door is locked with the cabinet by the locking structures.
4. The cabinet of claim 1, wherein the power control module is provided with a push-pull handle, and the cabinet is provided with a carrying handle.
5. A power control device comprising a plurality of power control modules and the chassis of any of claims 1-4, the plurality of power control modules positioned within the chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110966269.5A CN113825332B (en) | 2021-08-23 | 2021-08-23 | Cabinet for power control module and power control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110966269.5A CN113825332B (en) | 2021-08-23 | 2021-08-23 | Cabinet for power control module and power control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113825332A CN113825332A (en) | 2021-12-21 |
| CN113825332B true CN113825332B (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110966269.5A Active CN113825332B (en) | 2021-08-23 | 2021-08-23 | Cabinet for power control module and power control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113825332B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203708723U (en) * | 2014-02-26 | 2014-07-09 | 南京恩瑞特实业有限公司 | Vehicle-mounted multi-system shared machine cabinet for rail transit |
| CN204271356U (en) * | 2014-12-11 | 2015-04-15 | 珠海思开达技术有限公司 | A kind of blindmate device for replaceable module |
| CN105960132A (en) * | 2016-05-30 | 2016-09-21 | 中国电子科技集团公司第三十六研究所 | Modularized cabinet |
| CN106714500A (en) * | 2017-02-28 | 2017-05-24 | 天津凯发电气股份有限公司 | Multifunctional cabinet of electrified railway protection measuring and control device |
| CN207490213U (en) * | 2017-12-06 | 2018-06-12 | 四川永贵科技有限公司 | It is a kind of with direction discernment can blindmate floating mount rectangular connector |
| CN211297251U (en) * | 2019-11-19 | 2020-08-18 | 株洲中车时代电气股份有限公司 | Case structure of vehicle-mounted power grid controller for train |
-
2021
- 2021-08-23 CN CN202110966269.5A patent/CN113825332B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203708723U (en) * | 2014-02-26 | 2014-07-09 | 南京恩瑞特实业有限公司 | Vehicle-mounted multi-system shared machine cabinet for rail transit |
| CN204271356U (en) * | 2014-12-11 | 2015-04-15 | 珠海思开达技术有限公司 | A kind of blindmate device for replaceable module |
| CN105960132A (en) * | 2016-05-30 | 2016-09-21 | 中国电子科技集团公司第三十六研究所 | Modularized cabinet |
| CN106714500A (en) * | 2017-02-28 | 2017-05-24 | 天津凯发电气股份有限公司 | Multifunctional cabinet of electrified railway protection measuring and control device |
| CN207490213U (en) * | 2017-12-06 | 2018-06-12 | 四川永贵科技有限公司 | It is a kind of with direction discernment can blindmate floating mount rectangular connector |
| CN211297251U (en) * | 2019-11-19 | 2020-08-18 | 株洲中车时代电气股份有限公司 | Case structure of vehicle-mounted power grid controller for train |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113825332A (en) | 2021-12-21 |
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