CN112855333A - Overhead horizontal shutter for engine cooling system of railway engineering machinery vehicle - Google Patents
Overhead horizontal shutter for engine cooling system of railway engineering machinery vehicle Download PDFInfo
- Publication number
- CN112855333A CN112855333A CN201911183775.6A CN201911183775A CN112855333A CN 112855333 A CN112855333 A CN 112855333A CN 201911183775 A CN201911183775 A CN 201911183775A CN 112855333 A CN112855333 A CN 112855333A
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- China
- Prior art keywords
- blade
- heat dissipation
- horizontal louver
- overhead horizontal
- dissipation system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
- E06B7/08—Louvre doors, windows or grilles
- E06B7/084—Louvre doors, windows or grilles with rotatable lamellae
- E06B7/086—Louvre doors, windows or grilles with rotatable lamellae interconnected for concurrent movement
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention relates to a top horizontal louver used for a heat radiation system of an engine of a railway engineering mechanical vehicle, which comprises a blade assembly (1), a frame (3) and a pull rod assembly (4), wherein the frame (3) is a main carrier of the louver, and the louver is horizontally arranged at the top of the railway engineering mechanical vehicle, so that the installation space can be effectively compressed, the air blowing and heat radiation at the top of the heat radiation system of the engine of the railway engineering mechanical vehicle are realized, and the top horizontal louver has good ventilation, rainproof and dustproof effects; blade assembly (1) includes blade (16), tip runing rest (17) and middle runing rest (18), wherein blade (16) are equipped with the enhancement crimp for the metal sheet and the edge of twice bending structure, and blade (16) divide into main part region (19), preceding scrap (bridge region (20) and back scrap (bridge) region (21), and two front and back blades superpose the back each other, have good rain-proof function, and the blade can rotate around runing rest, has good ventilation function after opening.
Description
Technical Field
The invention relates to the technical field of railway machinery, in particular to an overhead horizontal louver for an engine cooling system of a railway engineering machinery vehicle.
Background
At present, most radiators of engine cooling systems of domestic railway engineering vehicles are vertically arranged at the rear end of an engine, two modes of blowing and air suction are provided, and hot air outlets of blowing type cooling systems and air inlets of air suction type cooling systems are generally protected by adopting a grid plate mode and do not have a rainproof function. The shutters usually used are mostly arranged vertically, preventing the entry of lateral rain, while the horizontally arranged shutters, with a better vertical rain protection, are of a lesser type, and are less used for railway vehicles.
For example, chinese utility model patent with application number ZL201420419775.8 discloses an LNG bus overhead engine compartment heat dissipation window, including air guide duct, heat dissipation window and temperature sensor. Two ends of the air guide pipeline are respectively connected with the heat dissipation window and the engine room; the heat dissipation window comprises a heat dissipation port shutter and a shutter control mechanism, the heat dissipation port shutter is arranged on the top of the vehicle body, one end of the shutter control mechanism is fixedly connected to the heat dissipation port shutter, and the other end of the shutter control mechanism is fixedly connected to the heat dissipation window shell or the air guide pipeline shell; the temperature sensor is arranged in the engine compartment and is fixedly connected to the shell of the engine compartment. This heat dissipation window passes through temperature sensor and surveys engine compartment internal temperature, and at the driving in-process according to temperature sensor feedback signal, adjusts the aperture of thermovent shutter through master control module control shutter operating mechanism, improves the interior air flow of LNG passenger train engine compartment, has better solved the radiating problem of LNG passenger train motor compartment, realizes intelligent regulation. Although the louver of the heat dissipation opening is arranged on the top of the vehicle body, the contact area with the outside can be increased, but no protective structure is arranged, and rainwater can be poured into a carriage.
For another example, chinese utility model patent No. ZL 201620243586.9 discloses a novel automobile louver, including at least two mountings and a plurality of blade, the blade transversely sets up, sets up side by side in vertical direction between a plurality of blades, connects through the cotton rope between the adjacent blade, is provided with the observation area between two adjacent blades, and the top of cotton rope hangs and sets up in the mounting, and the mounting is fixed in window glass, and the blade sets up in window glass's inboard. The sight of outside personnel is basically parallel to the blades and can not be blocked by the blades basically, and the condition in the vehicle can be observed clearly through the observation area when the sight of the outside personnel is within a certain range; because a certain included angle exists between the sunlight and the horizontal plane, the sunlight is shielded by the blades and is difficult to enter the vehicle, so that the vehicle is not irradiated by the sunlight; the cord makes the blade can stack, can not influence window glass's normal lift, ensures that car shutter can not influence window glass's normal use. Although the blades of the blind are transversely arranged, the blades are all arranged on the inner side of the window glass and only play a role of shading sun.
Disclosure of Invention
In order to solve the technical defects in the prior art, the invention aims to provide a top horizontal louver for an engine heat dissipation system of a railway engineering machinery vehicle, which can be horizontally arranged at the top of the railway engineering vehicle, can realize automatic control in an opening and closing mode, and has better rainproof and dustproof effects.
In order to achieve the design purpose, the scheme adopted by the invention is as follows:
the invention provides an overhead horizontal louver used for a heat radiation system of an engine of a railway engineering mechanical vehicle, which comprises a blade assembly, a frame and a pull rod assembly, wherein the frame is a main carrier of the louver; the frame is equipped with water catch bowl 7 and the outer scrap (bridge) of intercommunication all around, and wherein water catch bowl 7's main function is collected blade top rainwater, and the outer scrap (bridge) is installed on other bearing structure through bolt and screw thread seat for support whole shutter.
Preferably, the frame includes a front support beam, a rear support beam, and an intermediate support beam.
It is preferred in any above-mentioned scheme, all be equipped with on preceding supporting beam, back supporting beam and the middle supporting beam and move back groove and mounting hole, and the mutual symmetry in position, move back the main effect in groove and be avoided blade back scrap (bridge) region to be blockked when opening, the mounting hole mainly used installation blade runing rest.
In any of the above schemes, preferably, the right side of the frame is provided with a right water collecting tank, the bottom of the water tank is provided with a water discharging hole and a water discharging pipe, the center line of the water discharging pipe is aligned with the center line of the water discharging hole, and the main function of the water discharging pipe is to discharge rainwater collected by the water collecting tank.
In any of the above schemes, preferably, the blade assembly includes a blade, an end rotating bracket and a middle rotating bracket, wherein the blade is a metal plate with two bending structures, and the edge of the blade is provided with a reinforcing flange, and the blade is divided into a main body region, a front flange region and a rear flange region.
In any of the above schemes, preferably, the end rotating brackets are welded at two ends of the bottom of the blade, symmetrically arranged, and provided with a rotating bracket mounting hole for mounting the blade assembly.
In any of the above schemes, preferably, the middle rotating bracket is welded in the middle of the blade and is provided with two mounting holes, one is a short-side mounting hole for mounting the blade assembly, and the other is a long-side mounting hole for mounting the pull rod assembly.
In any of the above aspects, preferably, the center line of the mounting hole of the rotating bracket and the center line of the mounting hole of the short side of the middle rotating bracket are on the same straight line.
In any of the above embodiments, preferably, the end rotary bracket and the middle rotary bracket are respectively mounted on the mounting holes of the front support beam, the rear support beam and the middle support beam of the frame through a rotary shaft, and the blade is rotatable around the rotary shaft.
When the blades are in a closed state, a main body area of each blade forms a certain acute angle with the horizontal plane, a front lapping edge area of a rear blade is lapped above a rear lapping edge area of a front blade, and the main body area and the rear lapping edge area of a single blade are in a positive V-shaped structure, so that rainwater can be collected and can longitudinally flow to water collecting grooves at the front end and the rear end of the frame along the V-shaped section, and the rainproof effect is achieved; when the blade is opened, the blade rotates around the rotation axis, and the back scrap (bridge) region of the place ahead blade is kept away from gradually in the preceding scrap (bridge) region of rear blade to realize that the blade opens the process, blade opening angle can adjust according to the demand, and then reaches the effect of ventilation.
In any of the above solutions, it is preferable that the tie rod assembly includes a tie rod, a stud bolt, a coupling nut, a tie rod cylinder, and a universal joint.
In any of the above schemes, preferably, the pull rod is provided with a receding groove and a mounting hole, the receding groove is mainly used for preventing the rear lap area of the blade from being blocked when the blade is opened, and the mounting hole is connected with the long edge mounting hole of the middle rotating bracket of the blade assembly through the rotating shaft.
In any of the above schemes, preferably, the right end of the pull rod is provided with a baffle plate with a hole, and is connected with the stud bolt through a nut.
In any of the above schemes, preferably, the other end of the stud is connected with a universal joint through a connecting nut, and the universal joint is in threaded connection with the pull rod cylinder.
Compared with the prior art, the overhead horizontal shutter for the engine cooling system of the railway engineering machinery vehicle has the following advantages and effects:
1. the louver is horizontally arranged at the top of the railway engineering vehicle, can effectively compress the installation space, realizes the air blowing and heat dissipation at the top of the heat dissipation system of the railway engineering vehicle engine, and has good ventilation, rainproof and dustproof effects.
2. The blade assembly includes blade, tip runing rest and middle runing rest, and wherein the blade is that twice bending structure's metal sheet and edge are equipped with strengthens the crimp, and the blade divides into main part region, preceding scrap (bridge) region and back scrap (bridge) region, and two blades overlap the back each other around, have good rain-proof function, and the blade can rotate around the runing rest, has good ventilation function after opening.
3. The top-mounted horizontal shutter can realize automatic control of the opening and closing angle of the shutter, has good adjustability, and is accurate and reliable.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of an overhead horizontal louver for a railway work machine vehicle engine heat dissipation system according to the present invention.
Fig. 2 is a top view of the frame of the preferred embodiment of fig. 1 for an overhead horizontal louver for a railway work machine vehicle engine heat dissipation system in accordance with the present invention.
Fig. 3 is a schematic view in the direction of I-I of the preferred embodiment of the overhead horizontal louver of fig. 2 for the engine heat dissipation system of the railway construction machine vehicle according to the present invention.
Fig. 4 is a schematic view showing the structure of the vane assembly of the embodiment of fig. 1 for an overhead horizontal louver for a heat radiating system of an engine of a railway working machine vehicle according to the present invention.
Fig. 5 is a schematic view showing the construction of the drawbar assembly in the embodiment of fig. 1 for an overhead horizontal louver for an engine heat dissipation system of a railway working machine vehicle according to the present invention.
Fig. 6 is a drawing showing the extended state of the drawbar cylinder in the embodiment of fig. 5 for the overhead horizontal louver of the engine heat dissipation system for a railway working machine vehicle according to the present invention.
Fig. 7 is a view showing an operation state of the vane assembly of the embodiment of fig. 5 for the overhead horizontal louver of the engine heat radiating system for the railway working machine vehicle according to the present invention.
Fig. 8 is a view showing a contracted state of a drawbar cylinder in the embodiment of fig. 5 for an overhead horizontal louver of an engine cooling system for a railway working machine vehicle according to the present invention.
Fig. 9 is a schematic view illustrating a process of opening the vane assembly of the embodiment of fig. 5 for an overhead horizontal louver for an engine heat radiating system of a railway working machine vehicle according to the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, from which other embodiments can be derived by a person skilled in the art without inventive effort.
As shown in FIG. 1, the overhead horizontal louver for the engine heat dissipation system of the railway engineering machinery vehicle comprises a blade assembly 1, a frame 3 and a pull rod assembly 4, wherein the frame 3 is a main carrier of the louver, and the louver is horizontally arranged at the top of the railway engineering machinery vehicle; the frame 3 is equipped with water catch bowl 7 and the outer edging 8 of intercommunication all around, and wherein the main effect of water catch bowl 7 is collected blade top rainwater, and the outer edging 8 is installed on other bearing structure through bolt and screw thread seat 5 for support whole shutter.
Referring to fig. 2 and 3, there is shown a top view of the frame of the preferred embodiment of the overhead horizontal louver for a railway work machine vehicle engine heat dissipating system of fig. 1 in accordance with the present invention.
In the present embodiment, the frame 3 includes a front support beam 9, a rear support beam 10, and an intermediate support beam 11.
In this embodiment, all be equipped with on preceding supporting beam 9, back supporting beam 10 and the intermediate strut beam 11 and let groove 12 and mounting hole 13 back, and the mutual symmetry in position, let groove 12's the primary function be when avoiding the blade to open blade back scrap (bridge) area 21 is blockked, mounting hole 13 mainly used installation blade runing rest.
In this embodiment, a right water collecting trough 14 is provided on the right side of the frame 3, a water discharging hole 15 and a water discharging pipe 6 are provided on the bottom of the water trough, and the central line of the water discharging pipe 6 is aligned with the central line of the water discharging hole 15, and the main function of the water collecting trough is to discharge rainwater collected by the water collecting trough 7.
Referring now to FIG. 4, a schematic view of the blade assembly of the embodiment of FIG. 1 for an overhead horizontal louver for a railway work machine vehicle engine heat removal system according to the present invention is shown.
In the present embodiment, the vane assembly 1 includes a vane 16, an end rotating bracket 17 and an intermediate rotating bracket 18, wherein the vane 16 is a metal plate with a two-fold structure and has a reinforced bent edge at the edge, and the vane 16 is divided into a main body region 19, a front lapping region 20 and a rear lapping region 21.
In this embodiment, the end rotary brackets 17 are welded to the two ends of the bottom of the blade 16, symmetrically arranged, and provided with a rotary bracket mounting hole 22 for mounting the blade assembly 1.
In this embodiment, the middle rotating bracket 18 is welded to the middle of the blade 16 and has two mounting holes, one being a short-side mounting hole 23 for mounting the blade assembly and the other being a long-side mounting hole 24 for mounting the drawbar assembly 4.
In this embodiment, the center line of the rotating bracket mounting hole 22 and the center line of the short side mounting hole 23 of the middle rotating bracket 18 are on the same straight line.
In this embodiment, the end rotary brackets 17 and the intermediate rotary bracket 18 are mounted on the mounting holes 13 of the front support beam 9, the rear support beam 10 and the intermediate support beam 11 of the frame 3, respectively, through the rotary shaft 2, and the blade 16 is rotatable about the rotary shaft 2.
When the blades 16 are in a closed state, the main body area 19 of each blade forms a certain acute angle with the horizontal plane, the front lapping edge area 20 of the rear blade is lapped above the rear lapping edge area 21 of the front blade, and the main body area 19 and the rear lapping edge area 21 of each blade are in a positive V-shaped structure, so that rainwater can be collected and can longitudinally flow to the water collecting grooves 7 at the front end and the rear end of the frame 3 along the V-shaped cross section, and the rainproof effect is achieved; when the blade is opened, the blade 16 rotates around the rotating shaft 2, the front lapping edge area 20 of the rear blade is gradually far away from the rear lapping edge area 21 of the front blade, so that the opening process of the blade is realized, the opening angle of the blade can be adjusted according to the requirement, and the ventilation effect is further achieved.
Referring now to fig. 5, there is shown a schematic view of the pull rod assembly of the embodiment of fig. 1 for an overhead horizontal louver for a railway work machine vehicle engine heat dissipation system according to the present invention.
In the present embodiment, the tie rod assembly 4 includes a tie rod 25, a stud 26, a coupling nut 27, a tie rod cylinder 28, and a universal joint 29.
In this embodiment, the pull rod 25 is provided with a relief groove 30 and a mounting hole 31, the relief groove 30 is mainly used for preventing the trailing edge region 21 of the blade from being blocked when the blade 16 is opened, and the mounting hole 31 is connected with the long edge mounting hole 24 of the middle rotating bracket 18 of the blade assembly 1 through the rotating shaft 2.
In this embodiment, the right end of the pull rod 25 is provided with a baffle 26 with holes, and is connected with the stud 26 through a nut.
In this embodiment, the other end of the stud 26 is connected to a universal joint 29 via a coupling nut 27, and the universal joint 29 is screwed to a drawbar cylinder 28.
Referring now to fig. 6 and 7, there are shown operational state diagrams of the vane assembly of the embodiment of fig. 5 for an overhead horizontal louver for a railway work machine vehicle engine heat dissipation system according to the present invention.
When the blades 16 are in a closed state, the main body area 19 of each blade and the horizontal plane form a certain acute angle, the front lapping edge area 20 of each rear blade is lapped above the rear lapping edge area 21 of each front blade, the main body area 19 and the rear lapping edge area 21 of each single blade are of a positive V-shaped structure, rainwater can be collected, and can flow to the water collecting grooves 7 at the front end and the rear end of the frame 3 longitudinally along the V-shaped cross section, so that the rainproof effect is achieved.
The shutter blade closing process is as follows: the pull rod cylinder 28 extends out to push the pull rod 25 to move leftwards, the blade middle rotating bracket 18 rotates clockwise around the central line of the short-edge mounting hole 23 under the driving of the pull rod 25, and then the blade 16 is driven to rotate clockwise to realize closing.
Referring to fig. 8 and 9, the opening process of the louver assembly of the embodiment of fig. 5 for the overhead horizontal louver for the engine heat radiating system of the railway working machine vehicle according to the present invention is schematically illustrated.
When the blade is opened, the blade 16 rotates around the rotating shaft 2, the front lapping edge area 20 of the rear blade is gradually far away from the rear lapping edge area 21 of the front blade, so that the opening process of the blade is realized, the opening angle of the blade can be adjusted according to the requirement, and the ventilation effect is further achieved.
The opening process of the shutter blades is as follows: the pull rod cylinder 28 retracts to drive the pull rod 25 to move rightwards, the blade middle rotating support 18 rotates anticlockwise around the center line of the short edge mounting hole 23 under the driving of the pull rod, the blade 16 is further driven to rotate anticlockwise to achieve opening, and the opening angle of the blade can be controlled by controlling the extension amount of the pull rod cylinder.
It will be understood by those skilled in the art that the overhead horizontal louver for a railway work machine vehicle engine heat dissipating system of the present invention includes any combination of the parts in this specification. These combinations are not described in detail herein for the sake of brevity and clarity, but the scope of the invention, which is defined by any combination of the parts constructed in this specification, will become apparent after review of this specification.
Claims (10)
1. An overhead horizontal louver for a heat dissipation system of an engine of a railway engineering machinery vehicle, comprising a blade assembly (1), a frame (3) and a pull rod assembly (4), wherein the frame (3) is a main carrier of the louver, and is characterized in that: the shutter is horizontally arranged on the top of the railway engineering vehicle; the periphery of the frame (3) is provided with a water collecting tank 7 and an outer lap (8) which are communicated with each other.
2. The overhead horizontal louver for a railway work machine vehicle engine heat dissipation system of claim 1, wherein: the frame (3) comprises a front support beam (9), a rear support beam (10) and a middle support beam (11).
3. The overhead horizontal louver for a railway work machine vehicle engine heat dissipation system of claim 2, wherein: the front supporting beam (9), the rear supporting beam (10) and the middle supporting beam (11) are respectively provided with a receding groove (12) and a mounting hole (13), and the positions are symmetrical.
4. The overhead horizontal louver for a railway work machine vehicle engine heat dissipation system as defined in claim 1 or 2, wherein: the right side of the frame (3) is provided with a right water collecting tank (14), the bottom of the water tank is provided with a water discharging hole (15) and a water discharging pipe (6), and the central line of the water discharging pipe (6) is aligned with the central line of the water discharging hole (15).
5. The overhead horizontal louver for a railway work machine vehicle engine heat dissipation system of claim 1, wherein: the blade assembly (1) comprises blades (16), an end part rotating support (17) and a middle rotating support (18), wherein the blades (16) are metal plates with two bending structures, reinforcing flanges are arranged at the edges of the metal plates, and the blades (16) are divided into a main body area (19), a front lapping edge area (20) and a rear lapping edge area (21).
6. The overhead horizontal louver for a railway work machine vehicle engine heat dissipation system of claim 5, wherein: the end part rotating supports (17) are welded at two ends of the bottom of the blade (16), are symmetrically arranged and are provided with a rotating support mounting hole (22).
7. The overhead horizontal louver for a railway work machine vehicle engine heat dissipation system of claim 5, wherein: the middle rotating support (18) is welded in the middle of the blade (16) and is provided with two mounting holes, one is a short-edge mounting hole (23), and the other is a long-edge mounting hole (24).
8. The overhead horizontal louver for a railway work machine vehicle engine heat dissipation system of claim 6, wherein: the central line of the mounting hole (22) of the rotating bracket and the central line of the mounting hole (23) of the short side of the middle rotating bracket (18) are on the same straight line.
9. The overhead horizontal louver for a railway work machine vehicle engine heat dissipation system of claim 5, wherein: the end part rotating bracket (17) and the middle rotating bracket (18) are respectively arranged on the mounting holes (13) on the front supporting beam (9), the rear supporting beam (10) and the middle supporting beam (11) of the frame (3) through the rotating shaft (2), and the blade (16) can rotate around the rotating shaft (2).
10. The overhead horizontal louver for a railway work machine vehicle engine heat dissipation system of claim 1, wherein: the pull rod assembly (4) comprises a pull rod (25), a stud (26), a connecting nut (27), a pull rod cylinder (28) and a universal joint (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911183775.6A CN112855333A (en) | 2019-11-27 | 2019-11-27 | Overhead horizontal shutter for engine cooling system of railway engineering machinery vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911183775.6A CN112855333A (en) | 2019-11-27 | 2019-11-27 | Overhead horizontal shutter for engine cooling system of railway engineering machinery vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112855333A true CN112855333A (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911183775.6A Pending CN112855333A (en) | 2019-11-27 | 2019-11-27 | Overhead horizontal shutter for engine cooling system of railway engineering machinery vehicle |
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| Country | Link |
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| CN (1) | CN112855333A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114300963A (en) * | 2021-12-28 | 2022-04-08 | 中车永济电机有限公司 | Shutter type waterproof assembly for traction converter cabinet |
| CN117977416A (en) * | 2024-03-29 | 2024-05-03 | 深圳海辰储能科技有限公司 | Energy storage cabinet |
| CN117977416B (en) * | 2024-03-29 | 2024-06-07 | 深圳海辰储能科技有限公司 | Energy storage cabinet |
-
2019
- 2019-11-27 CN CN201911183775.6A patent/CN112855333A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114300963A (en) * | 2021-12-28 | 2022-04-08 | 中车永济电机有限公司 | Shutter type waterproof assembly for traction converter cabinet |
| CN117977416A (en) * | 2024-03-29 | 2024-05-03 | 深圳海辰储能科技有限公司 | Energy storage cabinet |
| CN117977416B (en) * | 2024-03-29 | 2024-06-07 | 深圳海辰储能科技有限公司 | Energy storage cabinet |
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