CN111615014A - Electric control box for 5G communication module - Google Patents
Electric control box for 5G communication module Download PDFInfo
- Publication number
- CN111615014A CN111615014A CN202010506001.9A CN202010506001A CN111615014A CN 111615014 A CN111615014 A CN 111615014A CN 202010506001 A CN202010506001 A CN 202010506001A CN 111615014 A CN111615014 A CN 111615014A
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- China
- Prior art keywords
- communication module
- groove
- heat dissipation
- electric cabinet
- plate
- Prior art date
- 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.)
- Pending
Links
- 238000004891 communication Methods 0.000 title claims abstract description 34
- 230000017525 heat dissipation Effects 0.000 claims abstract description 27
- 239000000428 dust Substances 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 9
- 230000000903 blocking effect Effects 0.000 abstract description 7
- 230000005855 radiation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/035—Cooling of active equipments, e.g. air ducts
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/025—Cabinets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/09—Frames or mounting racks not otherwise provided for
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/11—Protection against environment
- H04Q1/112—Protection against environment mechanical protection, e.g. resistance to earthquakes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses an electric control box for a 5G communication module, which comprises a shell, a mounting plate, a side cover, a handle, a support rod, a sliding sleeve, a through hole, a first spring, a fixing plate, a guide groove, a positioning plate, a sliding block, a support plate, a collecting groove, a movable sleeve, a groove, a second spring, a limiting rod, a belt pulley, an air inlet cover, an air inlet hole, a side hole, a heat dissipation plate, a heat dissipation fan, a communication groove, a motor, a belt, a guide block, an air vent, an ash blocking net and a collecting box. The dust blocking device is reasonable in structure, the motor drives the two cooling fans to rotate through the belt pulley and the belt by starting the motor, the two cooling fans rapidly cool the 5G communication module through the air inlet hole, air in the shell is kept to flow through the air holes, the communication groove and the side hole, the inside of the shell is kept to be dry, dust in the air is blocked through the dust blocking net, and the blocked dust flows into the collecting box in the collecting groove along the guide block, so that the dust is blocked and collected, and the influence of the dust on heat dissipation is avoided.
Description
Technical Field
The invention relates to an electric cabinet, in particular to an electric cabinet for a 5G communication module, and belongs to the technical field of 5G communication application.
Background
The fifth generation mobile communication technology is the latest generation cellular mobile communication technology and is an extension following 4G, 3G and 2G systems, the performance goal of 5G is high data rate, reduced latency, energy saving, cost reduction, increased system capacity and large-scale device connectivity, and the first phase of the 5G specification is to accommodate early commercial deployment.
Most of 5G communication modules are usually installed in the electric cabinet of equipment in the existing market, and the existing electric cabinet is easily full of dust, influences heat dispersion, and the 5G communication module radiating effect in the existing market is relatively poor, and is accompanied with the removal of some large-scale machinery, and 5G communication module is easily accompanied with mechanical vibration and vibration to cause the module to damage easily, and current heat abstractor for the electric cabinet is not convenient for dismantle the change, influences the use. Therefore, the electric control box for the 5G communication module is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems and provide the electric control box for the 5G communication module.
The invention achieves the aim through the following technical scheme, and the electric control box for the 5G communication module comprises a shell, a vibration reduction fixing device, a heat dissipation device and a dust removal device;
the vibration reduction fixing device comprises mounting plates fixedly connected to side walls at two ends, a supporting rod is fixedly connected inside the shell, one end of the supporting rod is connected with the sliding sleeve in a sliding mode through a through hole, and the through hole is formed in the sliding sleeve;
the heat dissipation device comprises a support plate fixedly connected inside the shell, a groove is formed inside one end of the support plate, and a movable sleeve is connected inside the groove in a sliding mode;
the dust collector includes fixed connection at the inside guide block of casing, the collecting vat has all been opened to the both ends lateral wall of guide block, the both ends lateral wall of casing has all been opened the bleeder vent, the box is collected to the inside sliding connection of collecting vat.
Preferably, one end of the sliding sleeve is fixedly connected with one end of a first spring, the first spring is sleeved outside one end of the supporting rod, and the supporting rod is an L-shaped rod.
Preferably, one end of the sliding sleeve is fixedly connected with the fixed plate, a guide groove is formed in the fixed plate, the inside of the guide groove is connected with the sliding block in a sliding mode, and one end of the sliding block is fixedly connected with the positioning plate.
Preferably, one end of the movable sleeve is fixedly connected with one end of a second spring, the second spring is sleeved inside the groove, and the other end of the second spring is fixedly connected with the side wall of the groove.
Preferably, the inside of movable sleeve cup joints the gag lever post, the both ends lateral wall of gag lever post fixed connection heating panel, the top fixed connection air inlet cover of heating panel.
Preferably, one end of the air inlet cover is provided with a plurality of air inlet holes distributed at equal intervals, and side holes are formed in the side walls of the two ends of the air inlet cover.
Preferably, the inside of heating panel is opened has the intercommunication groove, the inside fixed connection of intercommunication groove blocks the ash net, the motor is installed on the top of heating panel.
Preferably, two radiator fan, two are installed to the one end of heating panel radiator fan distributes in the both sides of motor, the belt pulley is all cup jointed with the output of motor to the one end of hot-blast wind, the winding has the belt on the belt pulley.
Preferably, the guide block is a T-shaped block, and the top end of the guide block abuts against the bottom end of the heat dissipation plate.
Preferably, one end of the shell is connected with the side cover through a hinge, and a handle is installed at one end of the side cover.
The invention has the beneficial effects that:
1. the locating plate slides through the sliding block and the guide groove, the 5G communication module to be installed is connected to the locating plate through the bolt threads, the module is fixed, the fixing plate provided with the 5G communication module slides on the supporting rod through the sliding sleeve, the sliding sleeve in sliding connection outside the supporting rod extrudes or stretches the first spring respectively, the first spring keeps the sliding sleeve to be elastically connected with the supporting rod, the vibration of the 5G communication module on the fixing plate is reduced, and the damage of the module is avoided.
2. Through starter motor, the motor passes through the belt pulley and the belt drives two radiator fan rotates, and two radiator fan carry out rapid cooling to 5G communication module through the inlet port, through the bleeder vent, intercommunication groove and side opening keep the inside air flow of casing, keep the inside drying of casing, intercept through blocking the dust net in to the air, the dust of interception flows into the inside collection box of collecting vat along the guide block in to intercept and collect the dust, avoid the dust to influence the heat dissipation.
3. The heat dissipation plate is extruded to the movable sleeve inside one of the support plates through the limiting rod at one end, the movable sleeve slides along the groove and compresses the second spring, the limiting rod at the other end of the heat dissipation plate is taken out from the movable sleeve inside the other support plate, and the heat dissipation plate is taken out in the same way, so that the heat dissipation plate is convenient to replace and use.
Drawings
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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a schematic view of the position of the support plate and the inlet cowl of the present invention.
In the figure: 1. the device comprises a shell, 2, a mounting plate, 3, a side cover, 4, a handle, 5, a support rod, 6, a sliding sleeve, 7, a through hole, 8, a first spring, 9, a fixing plate, 10, a guide groove, 11, a positioning plate, 12, a sliding block, 13, a supporting plate, 14, a collecting groove, 15, a movable sleeve, 16, a groove, 17, a second spring, 18, a limiting rod, 19, a belt pulley, 20, an air inlet cover, 21, an air inlet hole, 22, a side hole, 23, a heat dissipation plate, 24, a heat dissipation fan, 25, a communication groove, 26, a motor, 27, a belt, 28, a guide block, 29, an air vent, 30, an ash blocking net, 31 and a collecting box.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-3, an electric control box for a 5G communication module includes a housing 1, a vibration damping fixing device, a heat dissipation device, and a dust removal device;
the vibration reduction fixing device comprises mounting plates 2 fixedly connected to side walls at two ends, a supporting rod 5 is fixedly connected inside the shell 1, one end of the supporting rod 5 is connected with a sliding sleeve 6 in a sliding mode through a through hole 7, and the through hole 7 is formed in the sliding sleeve 6;
the heat dissipation device comprises a support plate 13 fixedly connected to the inside of the shell 1, a groove 16 is formed in one end of the support plate 13, and a movable sleeve 15 is slidably connected to the inside of the groove 16;
the dust removal device comprises a guide block 28 fixedly connected inside the shell 1, collecting grooves 14 are formed in the side walls of the two ends of the guide block 28, air holes 29 are formed in the outer side walls of the two ends of the shell 1, and a collecting box 31 is connected inside the collecting grooves 14 in a sliding mode.
One end of the sliding sleeve 6 is fixedly connected with one end of a first spring 8, the first spring 8 is sleeved outside one end of a support rod 5, the support rod 5 is an L-shaped rod, the structure is more reasonable and convenient to connect, one end of the sliding sleeve 6 is fixedly connected with a fixed plate 9, a guide groove 10 is formed in the fixed plate 9, a sliding block 12 is connected in the guide groove 10 in a sliding mode, one end of the sliding block 12 is fixedly connected with a positioning plate 11, the structure is more reasonable and convenient to connect, one end of a movable sleeve 15 is fixedly connected with one end of a second spring 17, the second spring 17 is sleeved in a groove 16, the other end of the second spring 17 is fixedly connected with the side wall of the groove 16, the structure is more reasonable and convenient to connect, a limiting rod 18 is sleeved in the movable sleeve 15, the limiting rod 18 is fixedly connected with the side walls at two ends of a heat dissipation plate 23, the top end of the heat, one end of the air inlet cover 20 is provided with a plurality of air inlet holes 21 which are distributed at equal intervals, and the side walls of the two ends of the air inlet cover 20 are provided with side holes 22, so that the structure is more reasonable and the connection is convenient; a communicating groove 25 is formed in the heat dissipation plate 23, an ash blocking net 30 is fixedly connected to the inside of the communicating groove 25, and a motor 26 is mounted at the top end of the heat dissipation plate 23, so that the structure is more reasonable and the connection is convenient; two cooling fans 24 are mounted at one end of the cooling plate 23, the two cooling fans 24 are distributed on two sides of the motor 26, the belt pulley 19 is sleeved at one end of the cooling air and the output end of the motor 26, and a belt is wound on the belt pulley 19, so that the structure is more reasonable and the connection is convenient; the guide block 28 is a T-shaped block, and the top end of the guide block 28 is tightly abutted against the bottom end of the heat dissipation plate 23, so that the structure is more reasonable and the connection is convenient; one end hinge connection side cap 3 of casing 1, handle 4 is installed to the one end of side cap 3, and is more reasonable in structure, the connection of being convenient for.
When the invention is used, firstly, electrical components in the device are externally connected with a control switch and a power supply, then the side cover 3 connected with a hinge is opened through the handle 4, the positioning plate 11 slides with the guide groove 10 through the slide block 12, a 5G communication module to be installed is connected with the positioning plate 11 through a bolt thread, thereby the module is fixed, the fixing plate 9 provided with the 5G communication module slides on the supporting rod 5 through the sliding sleeve 6, the sliding sleeve 6 connected with the outer side of the supporting rod 5 in a sliding way extrudes or stretches the first spring 8 respectively, the first spring 8 keeps the sliding sleeve 6 elastically connected with the supporting rod 5, thereby the vibration of the 5G communication module on the fixing plate 9 is reduced, the module is prevented from being damaged, the motor 26 drives the two cooling fans 24 to rotate through the belt pulley 19 and the belt by starting the motor 26, the two cooling fans 24 rapidly cool the 5G communication module through, keep the inside air flow of casing 1 through bleeder vent 29, intercommunication groove 25 and side opening 22, keep the inside drying of casing 1, intercept the dust in the air through blocking the ash net 30, the dust of interception flows into the collection box 31 of collecting vat 14 inside along guide block 28, thereby intercept and collect the dust, avoid the dust to influence the heat dissipation, when needs are changed the heat dissipation, extrude the radiation panel 23 through the gag lever post 18 of one end in the inside movable sleeve 15 of one of backup pad 13, movable sleeve 15 slides along recess 16 and compresses second spring 17, the gag lever post 18 of the other end of radiation panel 23 takes out from the inside movable sleeve 15 of another backup pad 13, take out radiation panel 23 with the same reason, convenient the change, convenient to use.
It is well within the skill of those in the art to implement and protect the present invention without undue experimentation and without undue experimentation that the present invention is directed to software and process improvements.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a 5G is electric cabinet for communication module which characterized in that: comprises a shell (1), a vibration reduction fixing device, a heat dissipation device and a dust removal device;
the vibration reduction fixing device comprises mounting plates (2) fixedly connected to side walls at two ends, a supporting rod (5) is fixedly connected to the inside of the shell (1), one end of the supporting rod (5) is connected with a sliding sleeve (6) in a sliding mode through a through hole (7), and the through hole (7) is formed in the sliding sleeve (6);
the heat dissipation device comprises a support plate (13) fixedly connected to the inside of the shell (1), a groove (16) is formed in one end of the support plate (13), and a movable sleeve (15) is slidably connected to the inside of the groove (16);
dust collector includes guide block (28) of fixed connection in casing (1) inside, collecting vat (14) have all been opened to the both ends lateral wall of guide block (28), bleeder vent (29) have all been opened to the both ends lateral wall of casing (1), box (31) are collected to the inside sliding connection of collecting vat (14).
2. The electric cabinet for 5G communication module of claim 1, characterized in that: one end fixed connection of sliding sleeve (6) one end of first spring (8), first spring (8) cup joint in the one end outside of bracing piece (5), bracing piece (5) are L type pole.
3. The electric cabinet for 5G communication module of claim 1, characterized in that: one end fixed connection fixed plate (9) of sliding sleeve (6), open the inside of fixed plate (9) has guide way (10), the inside sliding connection slider (12) of guide way (10), one end fixed connection locating plate (11) of slider (12).
4. The electric cabinet for 5G communication module of claim 1, characterized in that: one end of the movable sleeve (15) is fixedly connected with one end of a second spring (17), the second spring (17) is sleeved inside the groove (16), and the other end of the second spring (17) is fixedly connected with the side wall of the groove (16).
5. The electric cabinet for 5G communication module of claim 1, characterized in that: the limiting rod (18) is sleeved inside the movable sleeve (15), the limiting rod (18) is fixedly connected with the side walls of the two ends of the heat dissipation plate (23), and the top end of the heat dissipation plate (23) is fixedly connected with the air inlet cover (20).
6. The electric cabinet for 5G communication module of claim 5, characterized in that: one end of the air inlet cover (20) is provided with a plurality of air inlet holes (21) distributed at equal intervals, and side holes (22) are formed in the side walls of the two ends of the air inlet cover (20).
7. The electric cabinet for 5G communication module of claim 5, characterized in that: the inside of heating panel (23) is opened has communicating groove (25), the inside fixed connection of communicating groove (25) blocks grey net (30), motor (26) are installed to the top of heating panel (23).
8. The electric cabinet for 5G communication module of claim 5, characterized in that: two radiator fan (24), two are installed to the one end of heating panel (23) radiator fan (24) distribute in the both sides of motor (26), belt pulley (19) is all cup jointed with the output of motor (26) to the one end of heat dissipation wind, the winding has the belt on belt pulley (19).
9. The electric cabinet for 5G communication module of claim 1, characterized in that: the guide block (28) is a T-shaped block, and the top end of the guide block (28) abuts against the bottom end of the heat dissipation plate (23).
10. The electric cabinet for 5G communication module of claim 1, characterized in that: one end hinge connection side cap (3) of casing (1), handle (4) are installed to the one end of side cap (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010506001.9A CN111615014A (en) | 2020-06-05 | 2020-06-05 | Electric control box for 5G communication module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010506001.9A CN111615014A (en) | 2020-06-05 | 2020-06-05 | Electric control box for 5G communication module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111615014A true CN111615014A (en) | 2020-09-01 |
Family
ID=72202452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010506001.9A Pending CN111615014A (en) | 2020-06-05 | 2020-06-05 | Electric control box for 5G communication module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111615014A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681510A (en) * | 2017-11-08 | 2018-02-09 | 王宏亮 | A kind of electric power cabinet with damping and high-efficient radiating function |
| CN208124641U (en) * | 2018-04-08 | 2018-11-20 | 佛山市史麦斯卫厨电器有限公司 | A kind of novel gas wall hanging furnace apparatus |
| CN208480118U (en) * | 2018-07-19 | 2019-02-05 | 广州叶晨信息科技有限公司 | A kind of server cabinet |
| CN208722096U (en) * | 2018-04-18 | 2019-04-09 | 苏州农业职业技术学院 | A kind of damped noise reduction device for computer |
| CN209311952U (en) * | 2018-12-03 | 2019-08-27 | 西安四加壹信息技术有限公司 | A kind of database disaster recovery backup equipment |
| CN209731757U (en) * | 2018-09-06 | 2019-12-03 | 深圳市瑞迅智能科技发展有限公司 | A kind of integration splice tray |
| CN209833112U (en) * | 2019-04-16 | 2019-12-24 | 湖南化工职业技术学院 | English teaching device |
| CN209881974U (en) * | 2019-06-19 | 2019-12-31 | 苏州博尔讯通信科技有限公司 | Mounting rack for industrial exchanger |
| CN210270288U (en) * | 2019-05-29 | 2020-04-07 | 苏州欧泰通信设备有限公司 | Intelligent optical cross connecting box capable of being remotely monitored |
| CN210381663U (en) * | 2019-07-10 | 2020-04-21 | 艾克赛尔(天津)科技有限公司 | Heat dissipation device of electric vehicle controller |
-
2020
- 2020-06-05 CN CN202010506001.9A patent/CN111615014A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681510A (en) * | 2017-11-08 | 2018-02-09 | 王宏亮 | A kind of electric power cabinet with damping and high-efficient radiating function |
| CN208124641U (en) * | 2018-04-08 | 2018-11-20 | 佛山市史麦斯卫厨电器有限公司 | A kind of novel gas wall hanging furnace apparatus |
| CN208722096U (en) * | 2018-04-18 | 2019-04-09 | 苏州农业职业技术学院 | A kind of damped noise reduction device for computer |
| CN208480118U (en) * | 2018-07-19 | 2019-02-05 | 广州叶晨信息科技有限公司 | A kind of server cabinet |
| CN209731757U (en) * | 2018-09-06 | 2019-12-03 | 深圳市瑞迅智能科技发展有限公司 | A kind of integration splice tray |
| CN209311952U (en) * | 2018-12-03 | 2019-08-27 | 西安四加壹信息技术有限公司 | A kind of database disaster recovery backup equipment |
| CN209833112U (en) * | 2019-04-16 | 2019-12-24 | 湖南化工职业技术学院 | English teaching device |
| CN210270288U (en) * | 2019-05-29 | 2020-04-07 | 苏州欧泰通信设备有限公司 | Intelligent optical cross connecting box capable of being remotely monitored |
| CN209881974U (en) * | 2019-06-19 | 2019-12-31 | 苏州博尔讯通信科技有限公司 | Mounting rack for industrial exchanger |
| CN210381663U (en) * | 2019-07-10 | 2020-04-21 | 艾克赛尔(天津)科技有限公司 | Heat dissipation device of electric vehicle controller |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200901 |
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| RJ01 | Rejection of invention patent application after publication |