CN113825332A - Case for power control module and power control device - Google Patents
Case for power control module and power control device Download PDFInfo
- Publication number
- CN113825332A CN113825332A CN202110966269.5A CN202110966269A CN113825332A CN 113825332 A CN113825332 A CN 113825332A CN 202110966269 A CN202110966269 A CN 202110966269A CN 113825332 A CN113825332 A CN 113825332A
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- Prior art keywords
- control module
- power control
- hinge
- box body
- guide
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- 239000011521 glass Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000002146 bilateral effect 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
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 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
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Classifications
-
- 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 invention discloses a case for a power control module and a power control device, the case comprises a case body, wherein a shielding door capable of being opened and closed is arranged on the case 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 case body, a guide structure is arranged at the bottom in the case body, a blind plugging interface for plugging 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 start position close to the guide structure, the power control module can be plugged on the blind plugging interface under the guide effect of the guide structure and can be positioned under the matching of the guide structure and the support structure, the blind plugging interface is electrically connected with an external interface arranged at the rear side of the case body through a lead, and external power supply equipment is connected with the power control module through the external interface. The blind-mate interface and the guide structure are arranged in the case, so that the power supply control module can be quickly disassembled and assembled, the electromagnetism can be shielded, and the working safety in the case is ensured.
Description
Technical Field
The invention relates to the technical field of power control, in particular to a case for a power control module and a power control device.
Background
At present, ships, equipment vehicles and communication vehicles need power supplies, and the power supplies mainly come from storage batteries, diesel generator sets or other power generation equipment. After the equipment is regulated and controlled by the power control module, each power supply equipment can be normally used. The power supply control module is limited by the large size of the power supply equipment, and the installation space for the power supply control module is very limited.
The existing power control module is installed in a case, the power control module in the case is connected with external power supply equipment through an interface on the case, the case is required to be disassembled for monitoring and disassembling the power control module, and the operation is very inconvenient. Because the size of the power supply equipment is large, the case can only be arranged in a narrow space, so that the power supply control module is very inconvenient to assemble and disassemble in the case, and the monitoring, maintenance and installation of the power supply control module are very difficult.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a case for a power control module and a power control device, which are compact and reasonable in layout and convenient for monitoring and quick assembly and disassembly of the power control module.
In order to achieve the purpose, the case for the power control module comprises a case body, wherein the case body is provided with a shielding door capable of being opened and closed, 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 in the box body, a blind-plugging interface for plugging the power supply control module is arranged at a position close to the stop position of the guide structure, a support structure for supporting and fixing the power supply control module is arranged at a position close to the start position of the guide structure, the power supply control module can be inserted into the blind-mate interface under the guiding action of the guiding structure, and the power supply control module is positioned under the matching of the guide structure and the support structure, the blind-mate interface is electrically connected with an external interface arranged at the rear side of the box body through a lead, and external power supply equipment is connected with the power supply control module through the external interface.
Further, the shield door the guide structure blind mate interface with the external interface is followed in proper order the front and back side of box sets gradually, the guide structure is the guide rail, have the edge on the guide rail the guide way that the box fore-and-aft direction set up, power control module bottom be provided with the deflector of guide way cooperation direction, the deflector with the guide way cooperation is right power control module is in moving direction on the guide rail leads and right power control module's left and right sides direction is fixed a position.
Furthermore, the blind-mate interface is installed on a back plate, the back plate is arranged along the left and right directions 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.
Further, the hinge structure comprises a first hinge and a second hinge which are arranged in the box body in a bilateral symmetry manner, 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.
Furthermore, the opening angle range of the shielding door is 0-120 degrees.
Furthermore, the shielding is provided with electromagnetic shielding glass, 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.
Furthermore, the top of the shielding door is provided with a plurality of locking structures which are arranged along the left and right directions of the shielding door at intervals, and the shielding door and the box body are locked by the locking structures.
Furthermore, the supporting structure comprises a supporting plate and a fixing frame, the supporting plate is arranged at the bottom in the box body and 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 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 enable the power control module to be positioned vertically, the front side of the power control module is fixed on the fixing frame and the supporting plate, and the rear side of the power control module is spliced on the blind-plugging interface to enable the power control module to be positioned front and back.
Furthermore, a push-pull handle is arranged on the power control module, and a carrying handle is arranged on the box body.
The power supply control device comprises a plurality of power supply control modules and the chassis, wherein the power supply control modules are positioned in the chassis.
The blind-mate interface and the guide structure are arranged in the case, so that the power control module can be quickly disassembled and assembled, the shielding door can shield electromagnetism, the working safety of the power control module in the case is ensured, and the problem that operators are inconvenient to operate, maintain, replace and disassemble due to limited space in the prior art is 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 invention, as claimed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a sectional view of a power control module installed in a cabinet according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a chassis according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of the inside of the chassis according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an open chassis according to an embodiment of the invention;
FIG. 5 is a schematic diagram of a case closing according to an embodiment of the invention;
fig. 6 is a schematic structural diagram of a front panel of a chassis according to an embodiment of the present invention;
FIG. 7 is a rear view of a chassis according to an embodiment of the invention;
FIGS. 8A-8B are schematic diagrams of a guide structure according to an embodiment of the invention;
FIG. 9 is a diagram illustrating a blind mate interface according to an embodiment of the present invention;
fig. 10 is a schematic diagram of a power control module according to an embodiment of the invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different 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 example embodiments to those skilled in the art.
In the description of the embodiments of the present invention, it should be noted that the term "connected" is to be understood broadly, and may be, for example, fixed, detachable, or integrally connected, and may be mechanically or electrically connected, and may be directly or indirectly connected through an intermediate medium, unless otherwise specifically stated or limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "top," "bottom," "above … …," "below," and "above … …," "left-right direction," "up-down direction" as used throughout the description are relative positions with respect to components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are multifunctional, regardless of their orientation in space.
The terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying a number of the indicated technical features. Thus, a defined feature of "first", "second", may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-10, the chassis for power control module of the present invention comprises a box body 1, a shielding door 2 capable of being opened and closed is disposed on the box body 1, hinge structures 3 for controlling the opening and closing angles of the shielding door 2 are symmetrically disposed on two sides of the inner wall of the box body 1, a guiding structure 4 is disposed at the bottom of the box body 1, a blind-plugging interface 6 for plugging the power control module 5 is disposed at a position close to the closing 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 the starting position of the guiding structure 4, the power control module 5 can be plugged onto the blind-plugging interface 6 under the guiding action of the guiding structure 4, and the power control module 5 is positioned under the cooperation of the guiding structure 4 and the supporting structure 7, the blind-plugging interface 6 is electrically connected with an external interface 8 disposed at the rear side of the box body 1 through a lead (not shown in the figure), the external power supply device is connected with the power supply control module 5 through the external interface 8. The starting position of the guide structure 4 refers to the position of the guide structure 4 close to the shield door, and the stopping position of the guide structure 4 refers to the position of the guide structure 4 close to the blind mating interface 6.
The blind-mate interface and the guide structure are arranged in the case, and the blind-mate interface and the guide structure are matched with each other in arrangement positions, so that when an operator installs and removes the power control module in the case, the power control module can be conveniently and rapidly and accurately inserted or pulled out from the blind-mate interface only by pushing and pulling the power control module under the guide of the guide structure, and the problem that the operator is inconvenient to operate, maintain, replace and disassemble due to limited space in the prior art is 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 from the case when being disassembled, and the power control module can be conveniently installed into the case only by opening the shielding door. The shielding door also has an electromagnetic shielding effect, so that the power control module in the case can work without being influenced by electromagnetic interference, and the working safety of the power control module in the case is ensured. Because the installation space of the case is limited, the hinge structure can keep the shielding door open at a proper angle, and the power control module can be conveniently disassembled and assembled by an operator on the premise of avoiding interference on external equipment.
The shielding door 2, the guide structure 4, the blind-mate interface 6 and the external interface 8 are sequentially arranged along the front side and the rear side of the box body 1, the guide structure 4 is a guide rail, see fig. 8A and 8B, and the guide rail is provided with a guide groove 41 arranged along the front-rear direction of the box body 1. As shown in fig. 10, a guide plate 51 is disposed at the bottom of the power control module 5 and is matched with the guide groove 41 for guiding, and the guide plate 51 is matched with the guide groove 41 for guiding the moving direction of the power control module 5 on the guide rail and positioning the power control module 5 in the left-right direction.
As shown in fig. 2 and 3, the blind-mate interface 6 is mounted on a back plate 61, the back plate 61 is disposed along the left-right direction of the box 1 and divides the box 1 into front and rear accommodating spaces 11 and 12, the guiding 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. As most external power supply equipment is a high-power supply, in order to ensure the safety of work, a thicker wire capable of bearing the high-power requirement is selected as the wire connected between the external power supply equipment and the power supply control module. In order to ensure the safety of the power control modules, the space in the case is divided into two parts by the back plate 61, the power control modules 5 are placed in the front accommodating space 11 close to the shielding door, and the wires are placed in the rear accommodating space 12 close to the external interface 8, so that 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 wire and the power control module are reasonably arranged in the case and have compact structure, so that the power control module is convenient to disassemble and assemble on the one hand, and the using amount of the wire is also saved to a certain extent.
The hinge structure 3 comprises a first hinge 31 and a second hinge 32 which are arranged in bilateral symmetry on 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 screen door 2 is hinged with the box body 1 and keeps the angle of the screen door 2 when the screen door is opened under the action of the first hinge 31 and the second hinge 32. The opening angle of the shielding door 2 can be adjusted at will according to actual needs. The shielding door 2 adopts the design of turning over the door down, can not occupy left and right sides space, uses in the less space of specially adapted size, and the case is usually placed on external power supply equipment when in actual use, receives the influence of quick-witted case lower part external power supply equipment, and the angle of opening of shielding door 2 can not be too big, shielding door 2's opening angle scope is 0 ~ 120 degrees, has both guaranteed dismouting power control module's facility, can not cause the interference to below external power supply equipment again.
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 control module 5 in the box body 1 can be observed through the electromagnetic shielding glass 21. An operator can monitor the power control module 5 in the box body 1 in real time through the electromagnetic shielding glass 21, the power control module can be monitored without opening a shielding door, and the monitoring of the power control module is facilitated.
As shown in fig. 5 and 6, a plurality of locking structures 21 are arranged on the top of the shield door 2 at intervals along the left-right direction of the shield door 2, and the shield door 2 and the box body 1 are locked by the locking structures 21. The locking structure 21 can adopt a plurality of screw holes arranged at the top of the front panel of the box body 1 and at intervals, a plurality of screws are arranged at the corresponding positions at the top of the shielding door 2, and the screws are screwed into the screw holes to lock the shielding door 2 and the box body 1 after the shielding door 2 is closed. The shield door 2 can be prevented from being accidentally opened to cause a safety risk 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 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 control module 5 corresponds to the sum of the lengths of the guide rail and the supporting plate 71, the fixing frame 72 is matched with the supporting plate 71 to position the power control module 5 up and down, the front side of the power control module 5 is fixed on the fixing frame 72 and the supporting plate 71, and the rear side of the power control module 5 is spliced on the blind-plugged interface 6 to position the power control module 5 front and back. Under the cooperation of the supporting structure 7, the guiding structure 4 and the blind-mate interface 6, the power control module 5 is positioned in six directions in the case, so that the safe and stable operation of the power 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 box 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 case can be conveniently carried through the carrying handle 13.
The invention also provides a power supply control device which comprises a plurality of power supply control modules 5 and the chassis, wherein the plurality of power supply control modules 5 are positioned in the chassis. The structure of the chassis has been described in detail in the above embodiments, and is not described herein again.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. A chassis for a power control module is characterized by comprising a box body, wherein a shielding door capable of being opened and closed 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 in the box body, a blind-plugging interface for plugging the power supply control module is arranged at a position close to the stop position of the guide structure, a support structure for supporting and fixing the power supply control module is arranged at a position close to the start position of the guide structure, the power supply control module can be inserted into the blind-mate interface under the guiding action of the guiding structure, and the power supply control module is positioned under the matching of the guide structure and the support structure, the blind-mate interface is electrically connected with an external interface arranged at the rear side of the box body through a lead, and external power supply equipment is connected with the power supply control module through the external interface.
2. The chassis according to claim 1, wherein the shield door, the guiding structure, the blind-mate interface and the external interface are sequentially disposed along a front side and a rear side of the box body, the guiding structure is a guide rail, the guide rail has a guide groove disposed along a front-rear direction of the box body, a guide plate is disposed at a bottom of the power control module and is matched with the guide groove to guide, and the guide plate and the guide groove are matched to guide a moving direction of the power control module on the guide rail and position a left-right direction of the power control module.
3. The chassis according to claim 2, wherein the blind-mate interface is mounted on a back plate, the back plate is disposed along a left-right direction of the housing and divides the housing into a front receiving space and a rear receiving space, the guiding structure and the power control module are disposed in the front receiving space, and the wires are disposed in the rear receiving space.
4. The cabinet according to claim 3, wherein the hinge structure comprises a first hinge and a second hinge symmetrically arranged on the left and right sides of the cabinet body, one end of the first hinge is connected with a hinge seat arranged on the left side in the cabinet body, the other end of the first hinge is connected with the inner side of the shield door, one end of the second hinge is connected with a hinge seat arranged on the right side in the cabinet body, and the other end of the second hinge is connected with the inner side of the shield 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.
5. The chassis of claim 4, wherein the opening angle of the screen door is in the range of 0 to 120 degrees.
6. The chassis of claim 4, wherein the shielding door is provided with electromagnetic shielding glass, and the working state of the power control module in the box body can be observed through the electromagnetic shielding glass when the shielding door is closed.
7. The chassis of claim 6, wherein the top of the screen door is provided with a plurality of locking structures spaced from each other in the left-right direction of the screen door, and the screen door and the box body are locked by the locking structures.
8. The chassis according to claim 5, wherein the supporting structure includes a supporting plate and a fixing frame, the supporting plate is disposed at the bottom inside the box and near the starting position of the guide rail, the fixing frame is disposed at the top inside the box, the length of the power control module corresponds to the sum of the lengths of the guide rail and the supporting plate, the fixing frame and the supporting plate cooperate to position the power control module up and down, the front side of the power control module is fixed on the fixing frame and the supporting plate, and the rear side of the power control module is plugged on the blind-plugging interface to position the power control module back and forth.
9. The chassis of claim 1, wherein the power control module is provided with a push-pull handle and the box is provided with a carrying handle.
10. A power control apparatus comprising a plurality of power control modules and a chassis according to any one of claims 1 to 9, the plurality of power control modules being located 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 true CN113825332A (en) | 2021-12-21 |
| CN113825332B 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 |
|---|---|
| CN113825332B (en) | 2023-10-27 |
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